Changeset 6839 for branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3
- Timestamp:
- 2016-08-03T16:04:57+02:00 (8 years ago)
- Location:
- branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3
- Files:
-
- 18 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/ice.F90
r6836 r6839 234 234 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: u_oce, v_oce !: surface ocean velocity used in ice dynamics 235 235 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ahiu , ahiv !: hor. diffusivity coeff. at U- and V-points [m2/s] 236 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: pahu , pahv !: ice hor. eddy diffusivity coef. at U- and V-points237 236 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: ust2s, hicol !: friction velocity, ice collection thickness accreted in leads 238 237 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: strp1, strp2 !: strength at previous time steps … … 253 252 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: fhld !: heat flux from the lead used for bottom melting 254 253 255 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw !: snow-ocean mass exchange over 1 time step [kg/m2]256 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_spr !: snow precipitation on ice over 1 time step [kg/m2]257 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sub !: snow sublimation over 1 time step [kg/m2]258 259 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_ice !: ice-ocean mass exchange over 1 time step [kg/m2]260 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sni !: snow ice growth component of wfx_ice [kg/m2]261 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_opw !: lateral ice growth component of wfx_ice [kg/m2]262 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_bog !: bottom ice growth component of wfx_ice [kg/m2]263 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_dyn !: dynamical ice growth component of wfx_ice [kg /m2]264 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_bom !: bottom melt component of wfx_ice [kg/m2]265 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sum !: surface melt component of wfx_ice [kg/m2]266 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_res !: residual component of wfx_ice [kg/m2]267 268 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: afx_tot !: ice concentration tendency (total) [s-1]254 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_snw !: snow-ocean mass exchange [kg.m-2.s-1] 255 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_spr !: snow precipitation on ice [kg.m-2.s-1] 256 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sub !: snow/ice sublimation [kg.m-2.s-1] 257 258 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_ice !: ice-ocean mass exchange [kg.m-2.s-1] 259 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sni !: snow ice growth component of wfx_ice [kg.m-2.s-1] 260 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_opw !: lateral ice growth component of wfx_ice [kg.m-2.s-1] 261 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_bog !: bottom ice growth component of wfx_ice [kg.m-2.s-1] 262 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_dyn !: dynamical ice growth component of wfx_ice [kg.m-2.s-1] 263 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_bom !: bottom melt component of wfx_ice [kg.m-2.s-1] 264 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_sum !: surface melt component of wfx_ice [kg.m-2.s-1] 265 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_res !: residual component of wfx_ice [kg.m-2.s-1] 266 267 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: afx_tot !: ice concentration tendency (total) [s-1] 269 268 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: afx_thd !: ice concentration tendency (thermodynamics) [s-1] 270 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: afx_dyn !: ice concentration tendency (dynamics) [s-1]269 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: afx_dyn !: ice concentration tendency (dynamics) [s-1] 271 270 272 271 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_bog !: salt flux due to ice growth/melt [PSU/m2/s] … … 279 278 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_res !: residual salt flux due to correction of ice thickness [PSU/m2/s] 280 279 281 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_bog !: total heat flux causing bottom ice growth 282 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_bom !: total heat flux causing bottom ice melt 283 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_sum !: total heat flux causing surface ice melt 284 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_opw !: total heat flux causing open water ice formation 285 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_dif !: total heat flux causing Temp change in the ice 286 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_snw !: heat flux for snow melt 287 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err !: heat flux error after heat diffusion 288 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err_dif !: heat flux remaining due to change in non-solar flux 289 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err_rem !: heat flux error after heat remapping 290 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_in !: heat flux available for thermo transformations 291 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_out !: heat flux remaining at the end of thermo transformations 292 280 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: sfx_sub !: salt flux due to ice sublimation 281 282 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_bog !: total heat flux causing bottom ice growth [W.m-2] 283 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_bom !: total heat flux causing bottom ice melt [W.m-2] 284 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_sum !: total heat flux causing surface ice melt [W.m-2] 285 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_opw !: total heat flux causing open water ice formation [W.m-2] 286 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_dif !: total heat flux causing Temp change in the ice [W.m-2] 287 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_snw !: heat flux for snow melt [W.m-2] 288 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err !: heat flux error after heat diffusion [W.m-2] 289 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err_dif !: heat flux remaining due to change in non-solar flux [W.m-2] 290 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_err_rem !: heat flux error after heat remapping [W.m-2] 291 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_in !: heat flux available for thermo transformations [W.m-2] 292 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_out !: heat flux remaining at the end of thermo transformations [W.m-2] 293 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: wfx_err_sub !: mass flux error after sublimation [kg.m-2.s-1] 294 293 295 ! heat flux associated with ice-atmosphere mass exchange 294 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_sub !: heat flux for sublimation 295 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_spr !: heat flux of the snow precipitation 296 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_sub !: heat flux for sublimation [W.m-2] 297 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_spr !: heat flux of the snow precipitation [W.m-2] 296 298 297 299 ! heat flux associated with ice-ocean mass exchange 298 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_thd !: ice-ocean heat flux from thermo processes (limthd_dh) 299 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_dyn !: ice-ocean heat flux from mecanical processes (limitd_me) 300 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_res !: residual heat flux due to correction of ice thickness 301 302 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ftr_ice !: transmitted solar radiation under ice 300 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_thd !: ice-ocean heat flux from thermo processes (limthd_dh) [W.m-2] 301 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_dyn !: ice-ocean heat flux from mecanical processes (limitd_me) [W.m-2] 302 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: hfx_res !: residual heat flux due to correction of ice thickness [W.m-2] 303 304 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ftr_ice !: transmitted solar radiation under ice 305 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: pahu3D , pahv3D 306 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:) :: rn_amax_2d !: maximum ice concentration 2d array 303 307 304 308 !!-------------------------------------------------------------------------- … … 372 376 INTEGER , PUBLIC :: nlay_i !: number of ice layers 373 377 INTEGER , PUBLIC :: nlay_s !: number of snow layers 374 CHARACTER(len= 32), PUBLIC :: cn_icerst_in !: suffix of ice restart name (input)378 CHARACTER(len=80), PUBLIC :: cn_icerst_in !: suffix of ice restart name (input) 375 379 CHARACTER(len=256), PUBLIC :: cn_icerst_indir !: ice restart input directory 376 CHARACTER(len= 32), PUBLIC :: cn_icerst_out !: suffix of ice restart name (output)380 CHARACTER(len=80), PUBLIC :: cn_icerst_out !: suffix of ice restart name (output) 377 381 CHARACTER(len=256), PUBLIC :: cn_icerst_outdir!: ice restart output directory 378 382 LOGICAL , PUBLIC :: ln_limdyn !: flag for ice dynamics (T) or not (F) 379 383 LOGICAL , PUBLIC :: ln_icectl !: flag for sea-ice points output (T) or not (F) 380 REAL(wp) , PUBLIC :: rn_amax !: maximum ice concentration 384 REAL(wp) , PUBLIC :: rn_amax_n !: maximum ice concentration Northern hemisphere 385 REAL(wp) , PUBLIC :: rn_amax_s !: maximum ice concentration Southern hemisphere 381 386 INTEGER , PUBLIC :: iiceprt !: debug i-point 382 387 INTEGER , PUBLIC :: jiceprt !: debug j-point … … 424 429 ALLOCATE( u_oce (jpi,jpj) , v_oce (jpi,jpj) , & 425 430 & ahiu (jpi,jpj) , ahiv (jpi,jpj) , & 426 & pahu (jpi,jpj) , pahv (jpi,jpj) , &427 431 & ust2s (jpi,jpj) , hicol (jpi,jpj) , & 428 432 & strp1 (jpi,jpj) , strp2 (jpi,jpj) , strength (jpi,jpj) , & … … 437 441 & wfx_res(jpi,jpj) , wfx_sni(jpi,jpj) , wfx_opw(jpi,jpj) , wfx_spr(jpi,jpj) , & 438 442 & afx_tot(jpi,jpj) , afx_thd(jpi,jpj), afx_dyn(jpi,jpj) , & 439 & fhtur (jpi,jpj) , ftr_ice(jpi,jpj,jpl), qlead (jpi,jpj) , & 440 & sfx_res(jpi,jpj) , sfx_bri(jpi,jpj) , sfx_dyn(jpi,jpj) , & 443 & fhtur (jpi,jpj) , ftr_ice(jpi,jpj,jpl), pahu3D(jpi,jpj,jpl+1), pahv3D(jpi,jpj,jpl+1), & 444 & qlead (jpi,jpj) , rn_amax_2d(jpi,jpj), & 445 & sfx_res(jpi,jpj) , sfx_bri(jpi,jpj) , sfx_dyn(jpi,jpj) , sfx_sub(jpi,jpj), & 441 446 & sfx_bog(jpi,jpj) , sfx_bom(jpi,jpj) , sfx_sum(jpi,jpj) , sfx_sni(jpi,jpj) , sfx_opw(jpi,jpj) , & 442 447 & hfx_res(jpi,jpj) , hfx_snw(jpi,jpj) , hfx_sub(jpi,jpj) , hfx_err(jpi,jpj) , & 443 & hfx_err_dif(jpi,jpj) , hfx_err_rem(jpi,jpj) , 448 & hfx_err_dif(jpi,jpj) , hfx_err_rem(jpi,jpj) , wfx_err_sub(jpi,jpj) , & 444 449 & hfx_in (jpi,jpj) , hfx_out(jpi,jpj) , fhld(jpi,jpj) , & 445 450 & hfx_sum(jpi,jpj) , hfx_bom(jpi,jpj) , hfx_bog(jpi,jpj) , hfx_dif(jpi,jpj) , hfx_opw(jpi,jpj) , & … … 508 513 !!====================================================================== 509 514 END MODULE ice 515 -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limcons.F90
r6836 r6839 24 24 USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) 25 25 USE sbc_oce , ONLY : sfx ! Surface boundary condition: ocean fields 26 26 USE sbc_ice , ONLY : qevap_ice 27 27 28 IMPLICIT NONE 28 29 PRIVATE … … 184 185 ! salt flux 185 186 zfs_b = glob_sum( ( sfx_bri(:,:) + sfx_bog(:,:) + sfx_bom(:,:) + sfx_sum(:,:) + sfx_sni(:,:) + & 186 & sfx_opw(:,:) + sfx_res(:,:) + sfx_dyn(:,:) 187 & sfx_opw(:,:) + sfx_res(:,:) + sfx_dyn(:,:) + sfx_sub(:,:) & 187 188 & ) * e12t(:,:) * tmask(:,:,1) * zconv ) 188 189 … … 209 210 ! salt flux 210 211 zfs = glob_sum( ( sfx_bri(:,:) + sfx_bog(:,:) + sfx_bom(:,:) + sfx_sum(:,:) + sfx_sni(:,:) + & 211 & sfx_opw(:,:) + sfx_res(:,:) + sfx_dyn(:,:) 212 & sfx_opw(:,:) + sfx_res(:,:) + sfx_dyn(:,:) + sfx_sub(:,:) & 212 213 & ) * e12t(:,:) * tmask(:,:,1) * zconv ) - zfs_b 213 214 … … 256 257 ENDIF 257 258 IF ( zvmin < -epsi10 ) WRITE(numout,*) 'violation v_i<0 [m] (',cd_routine,') = ',zvmin 258 IF ( zamax > rn_amax+epsi10 .AND. cd_routine /= 'limtrp' .AND. cd_routine /= 'limitd_me' ) THEN 259 IF ( zamax > MAX( rn_amax_n, rn_amax_s ) + epsi10 .AND. & 260 & cd_routine /= 'limtrp' .AND. cd_routine /= 'limitd_me' ) THEN 259 261 WRITE(numout,*) 'violation a_i>amax (',cd_routine,') = ',zamax 260 262 ENDIF … … 286 288 #if ! defined key_bdy 287 289 ! heat flux 288 zhfx = glob_sum( ( hfx_in - hfx_out - diag_heat - diag_trp_ei - diag_trp_es - hfx_sub ) * e12t * tmask(:,:,1) * zconv ) 290 zhfx = glob_sum( ( hfx_in - hfx_out - diag_heat - diag_trp_ei - diag_trp_es - SUM( qevap_ice * a_i_b, dim=3 ) ) & 291 & * e12t * tmask(:,:,1) * zconv ) 289 292 ! salt flux 290 293 zsfx = glob_sum( ( sfx + diag_smvi ) * e12t * tmask(:,:,1) * zconv ) * rday -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limdiahsb.F90
r6836 r6839 56 56 real(wp) :: zbg_ivo, zbg_svo, zbg_are, zbg_sal ,zbg_tem ,zbg_ihc ,zbg_shc 57 57 real(wp) :: zbg_sfx, zbg_sfx_bri, zbg_sfx_bog, zbg_sfx_bom, zbg_sfx_sum, zbg_sfx_sni, & 58 & zbg_sfx_opw, zbg_sfx_res, zbg_sfx_dyn 58 & zbg_sfx_opw, zbg_sfx_res, zbg_sfx_dyn, zbg_sfx_sub 59 59 real(wp) :: zbg_vfx, zbg_vfx_bog, zbg_vfx_opw, zbg_vfx_sni, zbg_vfx_dyn 60 60 real(wp) :: zbg_vfx_bom, zbg_vfx_sum, zbg_vfx_res, zbg_vfx_spr, zbg_vfx_snw, zbg_vfx_sub … … 111 111 zbg_sfx_bom = ztmp * glob_sum( sfx_bom(:,:) * e12t(:,:) * tmask(:,:,1) ) 112 112 zbg_sfx_sum = ztmp * glob_sum( sfx_sum(:,:) * e12t(:,:) * tmask(:,:,1) ) 113 zbg_sfx_sub = ztmp * glob_sum( sfx_sub(:,:) * e12t(:,:) * tmask(:,:,1) ) 113 114 114 115 ! Heat budget … … 189 190 CALL iom_put( 'ibgsfxbom' , zbg_sfx_bom ) ! salt flux bottom melt - 190 191 CALL iom_put( 'ibgsfxsum' , zbg_sfx_sum ) ! salt flux surface melt - 192 CALL iom_put( 'ibgsfxsub' , zbg_sfx_sub ) ! salt flux sublimation - 191 193 192 194 CALL iom_put( 'ibghfxdhc' , zbg_hfx_dhc ) ! Heat content variation in snow and ice [W] -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limhdf.F90
r6836 r6839 7 7 !! - ! 2001-05 (G. Madec, R. Hordoir) opa norm 8 8 !! 1.0 ! 2002-08 (C. Ethe) F90, free form 9 !! 3.0 ! 2015-08 (O. Tintó and M. Castrillo) added lim_hdf (multiple) 9 10 !!---------------------------------------------------------------------- 10 11 #if defined key_lim3 … … 27 28 PRIVATE 28 29 29 PUBLIC lim_hdf 30 PUBLIC lim_hdf ! called by lim_trp 30 31 PUBLIC lim_hdf_init ! called by sbc_lim_init 31 32 … … 43 44 CONTAINS 44 45 45 SUBROUTINE lim_hdf( ptab )46 SUBROUTINE lim_hdf( ptab , ihdf_vars , jpl , nlay_i ) 46 47 !!------------------------------------------------------------------- 47 48 !! *** ROUTINE lim_hdf *** … … 54 55 !! ** Action : update ptab with the diffusive contribution 55 56 !!------------------------------------------------------------------- 56 REAL(wp), DIMENSION(jpi,jpj), INTENT( inout ) :: ptab ! Field on which the diffusion is applied 57 ! 58 INTEGER :: ji, jj ! dummy loop indices 57 INTEGER :: jpl, nlay_i, isize, ihdf_vars 58 REAL(wp), DIMENSION(:,:,:), INTENT( inout ),TARGET :: ptab ! Field on which the diffusion is applied 59 ! 60 INTEGER :: ji, jj, jk, jl , jm ! dummy loop indices 59 61 INTEGER :: iter, ierr ! local integers 60 REAL(wp) :: zrlxint, zconv ! local scalars 61 REAL(wp), POINTER, DIMENSION(:,:) :: zrlx, zflu, zflv, zdiv0, zdiv, ztab0 62 REAL(wp) :: zrlxint ! local scalars 63 REAL(wp), POINTER , DIMENSION ( : ) :: zconv ! local scalars 64 REAL(wp), POINTER , DIMENSION(:,:,:) :: zrlx,zdiv0, ztab0 65 REAL(wp), POINTER , DIMENSION(:,:) :: zflu, zflv, zdiv 62 66 CHARACTER(lc) :: charout ! local character 63 67 REAL(wp), PARAMETER :: zrelax = 0.5_wp ! relaxation constant for iterative procedure … … 65 69 INTEGER , PARAMETER :: its = 100 ! Maximum number of iteration 66 70 !!------------------------------------------------------------------- 71 TYPE(arrayptr) , ALLOCATABLE, DIMENSION(:) :: pt2d_array, zrlx_array 72 CHARACTER(len=1) , ALLOCATABLE, DIMENSION(:) :: type_array ! define the nature of ptab array grid-points 73 ! ! = T , U , V , F , W and I points 74 REAL(wp) , ALLOCATABLE, DIMENSION(:) :: psgn_array ! =-1 the sign change across the north fold boundary 75 76 !!--------------------------------------------------------------------- 77 78 ! !== Initialisation ==! 79 ! +1 open water diffusion 80 isize = jpl*(ihdf_vars+nlay_i)+1 81 ALLOCATE( zconv (isize) ) 82 ALLOCATE( pt2d_array(isize) , zrlx_array(isize) ) 83 ALLOCATE( type_array(isize) ) 84 ALLOCATE( psgn_array(isize) ) 67 85 68 CALL wrk_alloc( jpi, jpj, zrlx, zflu, zflv, zdiv0, zdiv, ztab0 ) 69 70 ! !== Initialisation ==! 86 CALL wrk_alloc( jpi, jpj, isize, zrlx, zdiv0, ztab0 ) 87 CALL wrk_alloc( jpi, jpj, zflu, zflv, zdiv ) 88 89 DO jk= 1 , isize 90 pt2d_array(jk)%pt2d=>ptab(:,:,jk) 91 zrlx_array(jk)%pt2d=>zrlx(:,:,jk) 92 type_array(jk)='T' 93 psgn_array(jk)=1. 94 END DO 95 71 96 ! 72 97 IF( linit ) THEN ! Metric coefficient (compute at the first call and saved in efact) … … 74 99 IF( lk_mpp ) CALL mpp_sum( ierr ) 75 100 IF( ierr /= 0 ) CALL ctl_stop( 'STOP', 'lim_hdf : unable to allocate arrays' ) 76 DO jj = 2, jpjm1 101 DO jj = 2, jpjm1 77 102 DO ji = fs_2 , fs_jpim1 ! vector opt. 78 103 efact(ji,jj) = ( e2u(ji,jj) + e2u(ji-1,jj) + e1v(ji,jj) + e1v(ji,jj-1) ) * r1_e12t(ji,jj) … … 83 108 ! ! Time integration parameters 84 109 ! 85 ztab0(:, : ) = ptab(:,:) ! Arrays initialization 86 zdiv0(:, 1 ) = 0._wp 87 zdiv0(:,jpj) = 0._wp 88 zflu (jpi,:) = 0._wp 89 zflv (jpi,:) = 0._wp 90 zdiv0(1, :) = 0._wp 91 zdiv0(jpi,:) = 0._wp 110 zflu (jpi,: ) = 0._wp 111 zflv (jpi,: ) = 0._wp 112 113 DO jk=1 , isize 114 ztab0(:, : , jk ) = ptab(:,:,jk) ! Arrays initialization 115 zdiv0(:, 1 , jk ) = 0._wp 116 zdiv0(:,jpj, jk ) = 0._wp 117 zdiv0(1, :, jk ) = 0._wp 118 zdiv0(jpi,:, jk ) = 0._wp 119 END DO 92 120 93 121 zconv = 1._wp !== horizontal diffusion using a Crant-Nicholson scheme ==! 94 122 iter = 0 95 123 ! 96 DO WHILE( zconv> ( 2._wp * 1.e-04 ) .AND. iter <= its ) ! Sub-time step loop124 DO WHILE( MAXVAL(zconv(:)) > ( 2._wp * 1.e-04 ) .AND. iter <= its ) ! Sub-time step loop 97 125 ! 98 126 iter = iter + 1 ! incrementation of the sub-time step number 99 127 ! 128 DO jk = 1 , isize 129 jl = (jk-1) /( ihdf_vars+nlay_i)+1 130 IF (zconv(jk) > ( 2._wp * 1.e-04 )) THEN 131 DO jj = 1, jpjm1 ! diffusive fluxes in U- and V- direction 132 DO ji = 1 , fs_jpim1 ! vector opt. 133 zflu(ji,jj) = pahu3D(ji,jj,jl) * e2u(ji,jj) * r1_e1u(ji,jj) * ( ptab(ji+1,jj,jk) - ptab(ji,jj,jk) ) 134 zflv(ji,jj) = pahv3D(ji,jj,jl) * e1v(ji,jj) * r1_e2v(ji,jj) * ( ptab(ji,jj+1,jk) - ptab(ji,jj,jk) ) 135 END DO 136 END DO 137 ! 138 DO jj= 2, jpjm1 ! diffusive trend : divergence of the fluxes 139 DO ji = fs_2 , fs_jpim1 ! vector opt. 140 zdiv(ji,jj) = ( zflu(ji,jj) - zflu(ji-1,jj) + zflv(ji,jj) - zflv(ji,jj-1) ) * r1_e12t(ji,jj) 141 END DO 142 END DO 143 ! 144 IF( iter == 1 ) zdiv0(:,:,jk) = zdiv(:,:) ! save the 1st evaluation of the diffusive trend in zdiv0 145 ! 146 DO jj = 2, jpjm1 ! iterative evaluation 147 DO ji = fs_2 , fs_jpim1 ! vector opt. 148 zrlxint = ( ztab0(ji,jj,jk) & 149 & + rdt_ice * ( zalfa * ( zdiv(ji,jj) + efact(ji,jj) * ptab(ji,jj,jk) ) & 150 & + ( 1.0 - zalfa ) * zdiv0(ji,jj,jk) ) & 151 & ) / ( 1.0 + zalfa * rdt_ice * efact(ji,jj) ) 152 zrlx(ji,jj,jk) = ptab(ji,jj,jk) + zrelax * ( zrlxint - ptab(ji,jj,jk) ) 153 END DO 154 END DO 155 END IF 156 157 END DO 158 159 CALL lbc_lnk_multi( zrlx_array, type_array , psgn_array , isize ) ! Multiple interchange of all the variables 160 ! 161 162 IF ( MOD( iter-1 , nn_convfrq ) == 0 ) THEN !Convergence test every nn_convfrq iterations (perf. optimization ) 163 DO jk=1,isize 164 zconv(jk) = 0._wp ! convergence test 165 DO jj = 2, jpjm1 166 DO ji = fs_2, fs_jpim1 167 zconv(jk) = MAX( zconv(jk), ABS( zrlx(ji,jj,jk) - ptab(ji,jj,jk) ) ) 168 END DO 169 END DO 170 END DO 171 IF( lk_mpp ) CALL mpp_max_multiple( zconv , isize ) ! max over the global domain for all the variables 172 ENDIF 173 ! 174 DO jk=1,isize 175 ptab(:,:,jk) = zrlx(:,:,jk) 176 END DO 177 ! 178 END DO ! end of sub-time step loop 179 180 ! ----------------------- 181 !!! final step (clem) !!! 182 DO jk = 1, isize 183 jl = (jk-1) /( ihdf_vars+nlay_i)+1 100 184 DO jj = 1, jpjm1 ! diffusive fluxes in U- and V- direction 101 185 DO ji = 1 , fs_jpim1 ! vector opt. 102 zflu(ji,jj) = pahu (ji,jj) * e2u(ji,jj) * r1_e1u(ji,jj) * ( ptab(ji+1,jj) - ptab(ji,jj) )103 zflv(ji,jj) = pahv (ji,jj) * e1v(ji,jj) * r1_e2v(ji,jj) * ( ptab(ji,jj+1) - ptab(ji,jj) )186 zflu(ji,jj) = pahu3D(ji,jj,jl) * e2u(ji,jj) * r1_e1u(ji,jj) * ( ptab(ji+1,jj,jk) - ptab(ji,jj,jk) ) 187 zflv(ji,jj) = pahv3D(ji,jj,jl) * e1v(ji,jj) * r1_e2v(ji,jj) * ( ptab(ji,jj+1,jk) - ptab(ji,jj,jk) ) 104 188 END DO 105 189 END DO … … 108 192 DO ji = fs_2 , fs_jpim1 ! vector opt. 109 193 zdiv(ji,jj) = ( zflu(ji,jj) - zflu(ji-1,jj) + zflv(ji,jj) - zflv(ji,jj-1) ) * r1_e12t(ji,jj) 110 END DO 111 END DO 112 ! 113 IF( iter == 1 ) zdiv0(:,:) = zdiv(:,:) ! save the 1st evaluation of the diffusive trend in zdiv0 114 ! 115 DO jj = 2, jpjm1 ! iterative evaluation 116 DO ji = fs_2 , fs_jpim1 ! vector opt. 117 zrlxint = ( ztab0(ji,jj) & 118 & + rdt_ice * ( zalfa * ( zdiv(ji,jj) + efact(ji,jj) * ptab(ji,jj) ) & 119 & + ( 1.0 - zalfa ) * zdiv0(ji,jj) ) & 120 & ) / ( 1.0 + zalfa * rdt_ice * efact(ji,jj) ) 121 zrlx(ji,jj) = ptab(ji,jj) + zrelax * ( zrlxint - ptab(ji,jj) ) 122 END DO 123 END DO 124 CALL lbc_lnk( zrlx, 'T', 1. ) ! lateral boundary condition 125 ! 126 IF ( MOD( iter, nn_convfrq ) == 0 ) THEN ! convergence test every nn_convfrq iterations (perf. optimization) 127 zconv = 0._wp 128 DO jj = 2, jpjm1 129 DO ji = fs_2, fs_jpim1 130 zconv = MAX( zconv, ABS( zrlx(ji,jj) - ptab(ji,jj) ) ) 131 END DO 132 END DO 133 IF( lk_mpp ) CALL mpp_max( zconv ) ! max over the global domain 134 ENDIF 135 ! 136 ptab(:,:) = zrlx(:,:) 137 ! 138 END DO ! end of sub-time step loop 139 140 ! ----------------------- 141 !!! final step (clem) !!! 142 DO jj = 1, jpjm1 ! diffusive fluxes in U- and V- direction 143 DO ji = 1 , fs_jpim1 ! vector opt. 144 zflu(ji,jj) = pahu(ji,jj) * e2u(ji,jj) * r1_e1u(ji,jj) * ( ptab(ji+1,jj) - ptab(ji,jj) ) 145 zflv(ji,jj) = pahv(ji,jj) * e1v(ji,jj) * r1_e2v(ji,jj) * ( ptab(ji,jj+1) - ptab(ji,jj) ) 194 ptab(ji,jj,jk) = ztab0(ji,jj,jk) + 0.5 * ( zdiv(ji,jj) + zdiv0(ji,jj,jk) ) 195 END DO 146 196 END DO 147 197 END DO 148 ! 149 DO jj= 2, jpjm1 ! diffusive trend : divergence of the fluxes 150 DO ji = fs_2 , fs_jpim1 ! vector opt. 151 zdiv(ji,jj) = ( zflu(ji,jj) - zflu(ji-1,jj) + zflv(ji,jj) - zflv(ji,jj-1) ) * r1_e12t(ji,jj) 152 ptab(ji,jj) = ztab0(ji,jj) + 0.5 * ( zdiv(ji,jj) + zdiv0(ji,jj) ) 153 END DO 154 END DO 155 CALL lbc_lnk( ptab, 'T', 1. ) ! lateral boundary condition 198 199 CALL lbc_lnk_multi( pt2d_array, type_array , psgn_array , isize ) ! Multiple interchange of all the variables 200 156 201 !!! final step (clem) !!! 157 202 ! ----------------------- 158 203 159 204 IF(ln_ctl) THEN 160 zrlx(:,:) = ptab(:,:) - ztab0(:,:) 161 WRITE(charout,FMT="(' lim_hdf : zconv =',D23.16, ' iter =',I4,2X)") zconv, iter 162 CALL prt_ctl( tab2d_1=zrlx, clinfo1=charout ) 163 ENDIF 164 ! 165 CALL wrk_dealloc( jpi, jpj, zrlx, zflu, zflv, zdiv0, zdiv, ztab0 ) 205 DO jk = 1 , isize 206 zrlx(:,:,jk) = ptab(:,:,jk) - ztab0(:,:,jk) 207 WRITE(charout,FMT="(' lim_hdf : zconv =',D23.16, ' iter =',I4,2X)") zconv, iter 208 CALL prt_ctl( tab2d_1=zrlx(:,:,jk), clinfo1=charout ) 209 END DO 210 ENDIF 211 ! 212 CALL wrk_dealloc( jpi, jpj, isize, zrlx, zdiv0, ztab0 ) 213 CALL wrk_dealloc( jpi, jpj, zflu, zflv, zdiv ) 214 215 DEALLOCATE( zconv ) 216 DEALLOCATE( pt2d_array , zrlx_array ) 217 DEALLOCATE( type_array ) 218 DEALLOCATE( psgn_array ) 166 219 ! 167 220 END SUBROUTINE lim_hdf 221 168 222 169 223 … … 179 233 !!------------------------------------------------------------------- 180 234 INTEGER :: ios ! Local integer output status for namelist read 181 NAMELIST/namicehdf/ nn_convfrq 235 NAMELIST/namicehdf/ nn_convfrq 182 236 !!------------------------------------------------------------------- 183 237 ! … … 212 266 !!====================================================================== 213 267 END MODULE limhdf 268 -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limistate.F90
r6836 r6839 24 24 USE par_oce ! ocean parameters 25 25 USE dom_ice ! sea-ice domain 26 USE limvar ! lim_var_salprof 26 27 USE in_out_manager ! I/O manager 27 28 USE lib_mpp ! MPP library … … 117 118 118 119 ! basal temperature (considered at freezing point) 119 t_bo(:,:) = ( eos_fzp( sss_m(:,:) ) + rt0 ) * tmask(:,:,1) 120 CALL eos_fzp( sss_m(:,:), t_bo(:,:) ) 121 t_bo(:,:) = ( t_bo(:,:) + rt0 ) * tmask(:,:,1) 120 122 121 123 IF( ln_iceini ) THEN … … 245 247 ztest_1 = 1 246 248 ELSE 247 ! this write is useful248 IF(lwp) WRITE(numout,*) ' * TEST1 AREA NOT CONSERVED *** zA_cons = ', zA_cons,' zat_i_ini = ',zat_i_ini(i_hemis)249 249 ztest_1 = 0 250 250 ENDIF … … 257 257 ztest_2 = 1 258 258 ELSE 259 ! this write is useful260 IF(lwp) WRITE(numout,*) ' * TEST2 VOLUME NOT CONSERVED *** zV_cons = ', zV_cons, &261 ' zvt_i_ini = ', zvt_i_ini(i_hemis)262 259 ztest_2 = 0 263 260 ENDIF … … 267 264 ztest_3 = 1 268 265 ELSE 269 ! this write is useful270 IF(lwp) WRITE(numout,*) ' * TEST 3 THICKNESS OF THE LAST CATEGORY OUT OF BOUNDS *** zh_i_ini(i_fill,i_hemis) = ', &271 zh_i_ini(i_fill,i_hemis), ' hi_max(jpl-1) = ', hi_max(i_fill-1)272 266 ztest_3 = 0 273 267 ENDIF … … 277 271 DO jl = 1, jpl 278 272 IF ( za_i_ini(jl,i_hemis) .LT. 0._wp ) THEN 279 ! this write is useful280 IF(lwp) WRITE(numout,*) ' * TEST 4 POSITIVITY NOT OK FOR CAT ', jl, ' WITH A = ', za_i_ini(jl,i_hemis)281 273 ztest_4 = 0 282 274 ENDIF … … 336 328 END DO 337 329 END DO 330 331 ! for constant salinity in time 332 IF( nn_icesal == 1 .OR. nn_icesal == 3 ) THEN 333 CALL lim_var_salprof 334 smv_i = sm_i * v_i 335 ENDIF 338 336 339 337 ! Snow temperature and heat content -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limitd_me.F90
r6836 r6839 45 45 REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: asum ! sum of total ice and open water area 46 46 REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: aksum ! ratio of area removed to area ridged 47 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: athorn ! participation function; fraction of ridging/ 48 ! ! closing associated w/ category n 47 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: athorn ! participation function; fraction of ridging/closing associated w/ category n 49 48 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: hrmin ! minimum ridge thickness 50 49 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: hrmax ! maximum ridge thickness 51 50 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: hraft ! thickness of rafted ice 52 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: krdg ! mean ridge thickness/thickness of ridging ice51 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: krdg ! thickness of ridging ice / mean ridge thickness 53 52 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: aridge ! participating ice ridging 54 53 REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: araft ! participating ice rafting 55 54 56 55 REAL(wp), PARAMETER :: krdgmin = 1.1_wp ! min ridge thickness multiplier 57 REAL(wp), PARAMETER :: kraft = 2.0_wp ! rafting multipliyer 58 REAL(wp), PARAMETER :: kamax = 1.0_wp ! max of ice area authorized (clem: scheme is not stable if kamax <= 0.99) 56 REAL(wp), PARAMETER :: kraft = 0.5_wp ! rafting multipliyer 59 57 60 58 REAL(wp) :: Cp ! 61 59 ! 62 !-----------------------------------------------------------------------63 ! Ridging diagnostic arrays for history files64 !-----------------------------------------------------------------------65 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: dardg1dt ! rate of fractional area loss by ridging ice (1/s)66 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: dardg2dt ! rate of fractional area gain by new ridges (1/s)67 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: dvirdgdt ! rate of ice volume ridged (m/s)68 REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: opening ! rate of opening due to divergence/shear (1/s)69 60 ! 70 61 !!---------------------------------------------------------------------- … … 83 74 & asum (jpi,jpj) , athorn(jpi,jpj,0:jpl) , & 84 75 & aksum(jpi,jpj) , & 85 !86 76 & hrmin(jpi,jpj,jpl) , hraft(jpi,jpj,jpl) , aridge(jpi,jpj,jpl) , & 87 & hrmax(jpi,jpj,jpl) , krdg (jpi,jpj,jpl) , araft (jpi,jpj,jpl) , & 88 ! 89 !* Ridging diagnostic arrays for history files 90 & dardg1dt(jpi,jpj) , dardg2dt(jpi,jpj) , & 91 & dvirdgdt(jpi,jpj) , opening(jpi,jpj) , STAT=lim_itd_me_alloc ) 77 & hrmax(jpi,jpj,jpl) , krdg (jpi,jpj,jpl) , araft (jpi,jpj,jpl) , STAT=lim_itd_me_alloc ) 92 78 ! 93 79 IF( lim_itd_me_alloc /= 0 ) CALL ctl_warn( 'lim_itd_me_alloc: failed to allocate arrays' ) … … 132 118 REAL(wp), POINTER, DIMENSION(:,:) :: opning ! rate of opening due to divergence/shear 133 119 REAL(wp), POINTER, DIMENSION(:,:) :: closing_gross ! rate at which area removed, not counting area of new ridges 134 REAL(wp), POINTER, DIMENSION(:,:) :: msnow_mlt ! mass of snow added to ocean (kg m-2)135 REAL(wp), POINTER, DIMENSION(:,:) :: esnow_mlt ! energy needed to melt snow in ocean (J m-2)136 REAL(wp), POINTER, DIMENSION(:,:) :: vt_i_init, vt_i_final ! ice volume summed over categories137 120 ! 138 121 INTEGER, PARAMETER :: nitermax = 20 … … 142 125 IF( nn_timing == 1 ) CALL timing_start('limitd_me') 143 126 144 CALL wrk_alloc( jpi,jpj, closing_net, divu_adv, opning, closing_gross , msnow_mlt, esnow_mlt, vt_i_init, vt_i_final)127 CALL wrk_alloc( jpi,jpj, closing_net, divu_adv, opning, closing_gross ) 145 128 146 129 IF(ln_ctl) THEN … … 154 137 IF( ln_limdiahsb ) CALL lim_cons_hsm(0, 'limitd_me', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) 155 138 156 CALL lim_var_zapsmall157 CALL lim_var_glo2eqv ! equivalent variables, requested for rafting158 159 139 !-----------------------------------------------------------------------------! 160 140 ! 1) Thickness categories boundaries, ice / o.w. concentrations, init_ons … … 164 144 CALL lim_itd_me_ridgeprep ! prepare ridging 165 145 ! 166 IF( con_i) CALL lim_column_sum( jpl, v_i, vt_i_init ) ! conservation check167 146 168 147 DO jj = 1, jpj ! Initialize arrays. 169 148 DO ji = 1, jpi 170 msnow_mlt(ji,jj) = 0._wp171 esnow_mlt(ji,jj) = 0._wp172 dardg1dt (ji,jj) = 0._wp173 dardg2dt (ji,jj) = 0._wp174 dvirdgdt (ji,jj) = 0._wp175 opening (ji,jj) = 0._wp176 149 177 150 !-----------------------------------------------------------------------------! … … 204 177 ! If divu_adv < 0, make sure the closing rate is large enough 205 178 ! to give asum = 1.0 after ridging. 206 207 divu_adv(ji,jj) = ( kamax- asum(ji,jj) ) * r1_rdtice ! asum found in ridgeprep179 180 divu_adv(ji,jj) = ( 1._wp - asum(ji,jj) ) * r1_rdtice ! asum found in ridgeprep 208 181 209 182 IF( divu_adv(ji,jj) < 0._wp ) closing_net(ji,jj) = MAX( closing_net(ji,jj), -divu_adv(ji,jj) ) … … 224 197 DO WHILE ( iterate_ridging > 0 .AND. niter < nitermax ) 225 198 199 ! 3.2 closing_gross 200 !-----------------------------------------------------------------------------! 201 ! Based on the ITD of ridging and ridged ice, convert the net 202 ! closing rate to a gross closing rate. 203 ! NOTE: 0 < aksum <= 1 204 closing_gross(:,:) = closing_net(:,:) / aksum(:,:) 205 206 ! correction to closing rate and opening if closing rate is excessive 207 !--------------------------------------------------------------------- 208 ! Reduce the closing rate if more than 100% of the open water 209 ! would be removed. Reduce the opening rate proportionately. 226 210 DO jj = 1, jpj 227 211 DO ji = 1, jpi 228 229 ! 3.2 closing_gross 230 !-----------------------------------------------------------------------------! 231 ! Based on the ITD of ridging and ridged ice, convert the net 232 ! closing rate to a gross closing rate. 233 ! NOTE: 0 < aksum <= 1 234 closing_gross(ji,jj) = closing_net(ji,jj) / aksum(ji,jj) 235 236 ! correction to closing rate and opening if closing rate is excessive 237 !--------------------------------------------------------------------- 238 ! Reduce the closing rate if more than 100% of the open water 239 ! would be removed. Reduce the opening rate proportionately. 240 za = athorn(ji,jj,0) * closing_gross(ji,jj) * rdt_ice 241 IF( za > epsi20 ) THEN 242 zfac = MIN( 1._wp, ato_i(ji,jj) / za ) 243 closing_gross(ji,jj) = closing_gross(ji,jj) * zfac 244 opning (ji,jj) = opning (ji,jj) * zfac 212 za = ( opning(ji,jj) - athorn(ji,jj,0) * closing_gross(ji,jj) ) * rdt_ice 213 IF( za < 0._wp .AND. za > - ato_i(ji,jj) ) THEN ! would lead to negative ato_i 214 zfac = - ato_i(ji,jj) / za 215 opning(ji,jj) = athorn(ji,jj,0) * closing_gross(ji,jj) - ato_i(ji,jj) * r1_rdtice 216 ELSEIF( za > 0._wp .AND. za > ( asum(ji,jj) - ato_i(ji,jj) ) ) THEN ! would lead to ato_i > asum 217 zfac = ( asum(ji,jj) - ato_i(ji,jj) ) / za 218 opning(ji,jj) = athorn(ji,jj,0) * closing_gross(ji,jj) + ( asum(ji,jj) - ato_i(ji,jj) ) * r1_rdtice 245 219 ENDIF 246 247 220 END DO 248 221 END DO … … 256 229 DO ji = 1, jpi 257 230 za = athorn(ji,jj,jl) * closing_gross(ji,jj) * rdt_ice 258 IF( za > epsi20) THEN259 zfac = MIN( 1._wp, a_i(ji,jj,jl) / za )231 IF( za > a_i(ji,jj,jl) ) THEN 232 zfac = a_i(ji,jj,jl) / za 260 233 closing_gross(ji,jj) = closing_gross(ji,jj) * zfac 261 opning (ji,jj) = opning (ji,jj) * zfac262 234 ENDIF 263 235 END DO … … 268 240 !-----------------------------------------------------------------------------! 269 241 270 CALL lim_itd_me_ridgeshift( opning, closing_gross, msnow_mlt, esnow_mlt ) 271 242 CALL lim_itd_me_ridgeshift( opning, closing_gross ) 243 244 272 245 ! 3.4 Compute total area of ice plus open water after ridging. 273 246 !-----------------------------------------------------------------------------! 274 247 ! This is in general not equal to one because of divergence during transport 275 asum(:,:) = ato_i(:,:) 276 DO jl = 1, jpl 277 asum(:,:) = asum(:,:) + a_i(:,:,jl) 278 END DO 248 asum(:,:) = ato_i(:,:) + SUM( a_i, dim=3 ) 279 249 280 250 ! 3.5 Do we keep on iterating ??? … … 284 254 285 255 iterate_ridging = 0 286 287 256 DO jj = 1, jpj 288 257 DO ji = 1, jpi 289 IF (ABS(asum(ji,jj) - kamax ) < epsi10) THEN258 IF( ABS( asum(ji,jj) - 1._wp ) < epsi10 ) THEN 290 259 closing_net(ji,jj) = 0._wp 291 260 opning (ji,jj) = 0._wp 292 261 ELSE 293 262 iterate_ridging = 1 294 divu_adv (ji,jj) = ( kamax- asum(ji,jj) ) * r1_rdtice263 divu_adv (ji,jj) = ( 1._wp - asum(ji,jj) ) * r1_rdtice 295 264 closing_net(ji,jj) = MAX( 0._wp, -divu_adv(ji,jj) ) 296 265 opning (ji,jj) = MAX( 0._wp, divu_adv(ji,jj) ) … … 309 278 310 279 IF( iterate_ridging == 1 ) THEN 280 CALL lim_itd_me_ridgeprep 311 281 IF( niter > nitermax ) THEN 312 282 WRITE(numout,*) ' ALERTE : non-converging ridging scheme ' 313 283 WRITE(numout,*) ' niter, iterate_ridging ', niter, iterate_ridging 314 284 ENDIF 315 CALL lim_itd_me_ridgeprep316 285 ENDIF 317 286 318 287 END DO !! on the do while over iter 319 320 !-----------------------------------------------------------------------------!321 ! 4) Ridging diagnostics322 !-----------------------------------------------------------------------------!323 ! Convert ridging rate diagnostics to correct units.324 ! Update fresh water and heat fluxes due to snow melt.325 DO jj = 1, jpj326 DO ji = 1, jpi327 328 dardg1dt(ji,jj) = dardg1dt(ji,jj) * r1_rdtice329 dardg2dt(ji,jj) = dardg2dt(ji,jj) * r1_rdtice330 dvirdgdt(ji,jj) = dvirdgdt(ji,jj) * r1_rdtice331 opening (ji,jj) = opening (ji,jj) * r1_rdtice332 333 !-----------------------------------------------------------------------------!334 ! 5) Heat, salt and freshwater fluxes335 !-----------------------------------------------------------------------------!336 wfx_snw(ji,jj) = wfx_snw(ji,jj) + msnow_mlt(ji,jj) * r1_rdtice ! fresh water source for ocean337 hfx_dyn(ji,jj) = hfx_dyn(ji,jj) + esnow_mlt(ji,jj) * r1_rdtice ! heat sink for ocean (<0, W.m-2)338 339 END DO340 END DO341 342 ! Check if there is a ridging error343 IF( lwp ) THEN344 DO jj = 1, jpj345 DO ji = 1, jpi346 IF( ABS( asum(ji,jj) - kamax) > epsi10 ) THEN ! there is a bug347 WRITE(numout,*) ' '348 WRITE(numout,*) ' ALERTE : Ridging error: total area = ', asum(ji,jj)349 WRITE(numout,*) ' limitd_me '350 WRITE(numout,*) ' POINT : ', ji, jj351 WRITE(numout,*) ' jpl, a_i, athorn '352 WRITE(numout,*) 0, ato_i(ji,jj), athorn(ji,jj,0)353 DO jl = 1, jpl354 WRITE(numout,*) jl, a_i(ji,jj,jl), athorn(ji,jj,jl)355 END DO356 ENDIF357 END DO358 END DO359 END IF360 361 ! Conservation check362 IF ( con_i ) THEN363 CALL lim_column_sum (jpl, v_i, vt_i_final)364 fieldid = ' v_i : limitd_me '365 CALL lim_cons_check (vt_i_init, vt_i_final, 1.0e-6, fieldid)366 ENDIF367 288 368 289 CALL lim_var_agg( 1 ) … … 410 331 ENDIF ! ln_limdyn=.true. 411 332 ! 412 CALL wrk_dealloc( jpi, jpj, closing_net, divu_adv, opning, closing_gross , msnow_mlt, esnow_mlt, vt_i_init, vt_i_final)333 CALL wrk_dealloc( jpi, jpj, closing_net, divu_adv, opning, closing_gross ) 413 334 ! 414 335 IF( nn_timing == 1 ) CALL timing_stop('limitd_me') 415 336 END SUBROUTINE lim_itd_me 416 337 338 SUBROUTINE lim_itd_me_ridgeprep 339 !!---------------------------------------------------------------------! 340 !! *** ROUTINE lim_itd_me_ridgeprep *** 341 !! 342 !! ** Purpose : preparation for ridging and strength calculations 343 !! 344 !! ** Method : Compute the thickness distribution of the ice and open water 345 !! participating in ridging and of the resulting ridges. 346 !!---------------------------------------------------------------------! 347 INTEGER :: ji,jj, jl ! dummy loop indices 348 REAL(wp) :: Gstari, astari, hrmean, zdummy ! local scalar 349 REAL(wp), POINTER, DIMENSION(:,:,:) :: Gsum ! Gsum(n) = sum of areas in categories 0 to n 350 !------------------------------------------------------------------------------! 351 352 CALL wrk_alloc( jpi,jpj,jpl+2, Gsum, kkstart = -1 ) 353 354 Gstari = 1.0/rn_gstar 355 astari = 1.0/rn_astar 356 aksum(:,:) = 0.0 357 athorn(:,:,:) = 0.0 358 aridge(:,:,:) = 0.0 359 araft (:,:,:) = 0.0 360 361 ! Zero out categories with very small areas 362 CALL lim_var_zapsmall 363 364 ! Ice thickness needed for rafting 365 DO jl = 1, jpl 366 DO jj = 1, jpj 367 DO ji = 1, jpi 368 rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) 369 ht_i(ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch 370 END DO 371 END DO 372 END DO 373 374 !------------------------------------------------------------------------------! 375 ! 1) Participation function 376 !------------------------------------------------------------------------------! 377 378 ! Compute total area of ice plus open water. 379 ! This is in general not equal to one because of divergence during transport 380 asum(:,:) = ato_i(:,:) + SUM( a_i, dim=3 ) 381 382 ! Compute cumulative thickness distribution function 383 ! Compute the cumulative thickness distribution function Gsum, 384 ! where Gsum(n) is the fractional area in categories 0 to n. 385 ! initial value (in h = 0) equals open water area 386 Gsum(:,:,-1) = 0._wp 387 Gsum(:,:,0 ) = ato_i(:,:) 388 ! for each value of h, you have to add ice concentration then 389 DO jl = 1, jpl 390 Gsum(:,:,jl) = Gsum(:,:,jl-1) + a_i(:,:,jl) 391 END DO 392 393 ! Normalize the cumulative distribution to 1 394 DO jl = 0, jpl 395 Gsum(:,:,jl) = Gsum(:,:,jl) / asum(:,:) 396 END DO 397 398 ! 1.3 Compute participation function a(h) = b(h).g(h) (athorn) 399 !-------------------------------------------------------------------------------------------------- 400 ! Compute the participation function athorn; this is analogous to 401 ! a(h) = b(h)g(h) as defined in Thorndike et al. (1975). 402 ! area lost from category n due to ridging/closing 403 ! athorn(n) = total area lost due to ridging/closing 404 ! assume b(h) = (2/Gstar) * (1 - G(h)/Gstar). 405 ! 406 ! The expressions for athorn are found by integrating b(h)g(h) between 407 ! the category boundaries. 408 ! athorn is always >= 0 and SUM(athorn(0:jpl))=1 409 !----------------------------------------------------------------- 410 411 IF( nn_partfun == 0 ) THEN !--- Linear formulation (Thorndike et al., 1975) 412 DO jl = 0, jpl 413 DO jj = 1, jpj 414 DO ji = 1, jpi 415 IF ( Gsum(ji,jj,jl) < rn_gstar ) THEN 416 athorn(ji,jj,jl) = Gstari * ( Gsum(ji,jj,jl) - Gsum(ji,jj,jl-1) ) * & 417 & ( 2._wp - ( Gsum(ji,jj,jl-1) + Gsum(ji,jj,jl) ) * Gstari ) 418 ELSEIF( Gsum(ji,jj,jl-1) < rn_gstar ) THEN 419 athorn(ji,jj,jl) = Gstari * ( rn_gstar - Gsum(ji,jj,jl-1) ) * & 420 & ( 2._wp - ( Gsum(ji,jj,jl-1) + rn_gstar ) * Gstari ) 421 ELSE 422 athorn(ji,jj,jl) = 0._wp 423 ENDIF 424 END DO 425 END DO 426 END DO 427 428 ELSE !--- Exponential, more stable formulation (Lipscomb et al, 2007) 429 ! 430 zdummy = 1._wp / ( 1._wp - EXP(-astari) ) ! precompute exponential terms using Gsum as a work array 431 DO jl = -1, jpl 432 Gsum(:,:,jl) = EXP( -Gsum(:,:,jl) * astari ) * zdummy 433 END DO 434 DO jl = 0, jpl 435 athorn(:,:,jl) = Gsum(:,:,jl-1) - Gsum(:,:,jl) 436 END DO 437 ! 438 ENDIF 439 440 IF( ln_rafting ) THEN ! Ridging and rafting ice participation functions 441 ! 442 DO jl = 1, jpl 443 DO jj = 1, jpj 444 DO ji = 1, jpi 445 zdummy = TANH ( rn_craft * ( ht_i(ji,jj,jl) - rn_hraft ) ) 446 aridge(ji,jj,jl) = ( 1._wp + zdummy ) * 0.5_wp * athorn(ji,jj,jl) 447 araft (ji,jj,jl) = ( 1._wp - zdummy ) * 0.5_wp * athorn(ji,jj,jl) 448 END DO 449 END DO 450 END DO 451 452 ELSE 453 ! 454 DO jl = 1, jpl 455 aridge(:,:,jl) = athorn(:,:,jl) 456 END DO 457 ! 458 ENDIF 459 460 !----------------------------------------------------------------- 461 ! 2) Transfer function 462 !----------------------------------------------------------------- 463 ! Compute max and min ridged ice thickness for each ridging category. 464 ! Assume ridged ice is uniformly distributed between hrmin and hrmax. 465 ! 466 ! This parameterization is a modified version of Hibler (1980). 467 ! The mean ridging thickness, hrmean, is proportional to hi^(0.5) 468 ! and for very thick ridging ice must be >= krdgmin*hi 469 ! 470 ! The minimum ridging thickness, hrmin, is equal to 2*hi 471 ! (i.e., rafting) and for very thick ridging ice is 472 ! constrained by hrmin <= (hrmean + hi)/2. 473 ! 474 ! The maximum ridging thickness, hrmax, is determined by 475 ! hrmean and hrmin. 476 ! 477 ! These modifications have the effect of reducing the ice strength 478 ! (relative to the Hibler formulation) when very thick ice is 479 ! ridging. 480 ! 481 ! aksum = net area removed/ total area removed 482 ! where total area removed = area of ice that ridges 483 ! net area removed = total area removed - area of new ridges 484 !----------------------------------------------------------------- 485 486 aksum(:,:) = athorn(:,:,0) 487 ! Transfer function 488 DO jl = 1, jpl !all categories have a specific transfer function 489 DO jj = 1, jpj 490 DO ji = 1, jpi 491 492 IF( athorn(ji,jj,jl) > 0._wp ) THEN 493 hrmean = MAX( SQRT( rn_hstar * ht_i(ji,jj,jl) ), ht_i(ji,jj,jl) * krdgmin ) 494 hrmin(ji,jj,jl) = MIN( 2._wp * ht_i(ji,jj,jl), 0.5_wp * ( hrmean + ht_i(ji,jj,jl) ) ) 495 hrmax(ji,jj,jl) = 2._wp * hrmean - hrmin(ji,jj,jl) 496 hraft(ji,jj,jl) = ht_i(ji,jj,jl) / kraft 497 krdg(ji,jj,jl) = ht_i(ji,jj,jl) / MAX( hrmean, epsi20 ) 498 499 ! Normalization factor : aksum, ensures mass conservation 500 aksum(ji,jj) = aksum(ji,jj) + aridge(ji,jj,jl) * ( 1._wp - krdg(ji,jj,jl) ) & 501 & + araft (ji,jj,jl) * ( 1._wp - kraft ) 502 503 ELSE 504 hrmin(ji,jj,jl) = 0._wp 505 hrmax(ji,jj,jl) = 0._wp 506 hraft(ji,jj,jl) = 0._wp 507 krdg (ji,jj,jl) = 1._wp 508 ENDIF 509 510 END DO 511 END DO 512 END DO 513 ! 514 CALL wrk_dealloc( jpi,jpj,jpl+2, Gsum, kkstart = -1 ) 515 ! 516 END SUBROUTINE lim_itd_me_ridgeprep 517 518 519 SUBROUTINE lim_itd_me_ridgeshift( opning, closing_gross ) 520 !!---------------------------------------------------------------------- 521 !! *** ROUTINE lim_itd_me_icestrength *** 522 !! 523 !! ** Purpose : shift ridging ice among thickness categories of ice thickness 524 !! 525 !! ** Method : Remove area, volume, and energy from each ridging category 526 !! and add to thicker ice categories. 527 !!---------------------------------------------------------------------- 528 REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: opning ! rate of opening due to divergence/shear 529 REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: closing_gross ! rate at which area removed, excluding area of new ridges 530 ! 531 CHARACTER (len=80) :: fieldid ! field identifier 532 ! 533 INTEGER :: ji, jj, jl, jl1, jl2, jk ! dummy loop indices 534 INTEGER :: ij ! horizontal index, combines i and j loops 535 INTEGER :: icells ! number of cells with a_i > puny 536 REAL(wp) :: hL, hR, farea ! left and right limits of integration 537 538 INTEGER , POINTER, DIMENSION(:) :: indxi, indxj ! compressed indices 539 REAL(wp), POINTER, DIMENSION(:) :: zswitch, fvol ! new ridge volume going to n2 540 541 REAL(wp), POINTER, DIMENSION(:) :: afrac ! fraction of category area ridged 542 REAL(wp), POINTER, DIMENSION(:) :: ardg1 , ardg2 ! area of ice ridged & new ridges 543 REAL(wp), POINTER, DIMENSION(:) :: vsrdg , esrdg ! snow volume & energy of ridging ice 544 REAL(wp), POINTER, DIMENSION(:) :: dhr , dhr2 ! hrmax - hrmin & hrmax^2 - hrmin^2 545 546 REAL(wp), POINTER, DIMENSION(:) :: vrdg1 ! volume of ice ridged 547 REAL(wp), POINTER, DIMENSION(:) :: vrdg2 ! volume of new ridges 548 REAL(wp), POINTER, DIMENSION(:) :: vsw ! volume of seawater trapped into ridges 549 REAL(wp), POINTER, DIMENSION(:) :: srdg1 ! sal*volume of ice ridged 550 REAL(wp), POINTER, DIMENSION(:) :: srdg2 ! sal*volume of new ridges 551 REAL(wp), POINTER, DIMENSION(:) :: smsw ! sal*volume of water trapped into ridges 552 REAL(wp), POINTER, DIMENSION(:) :: oirdg1, oirdg2 ! ice age of ice ridged 553 554 REAL(wp), POINTER, DIMENSION(:) :: afrft ! fraction of category area rafted 555 REAL(wp), POINTER, DIMENSION(:) :: arft1 , arft2 ! area of ice rafted and new rafted zone 556 REAL(wp), POINTER, DIMENSION(:) :: virft , vsrft ! ice & snow volume of rafting ice 557 REAL(wp), POINTER, DIMENSION(:) :: esrft , smrft ! snow energy & salinity of rafting ice 558 REAL(wp), POINTER, DIMENSION(:) :: oirft1, oirft2 ! ice age of ice rafted 559 560 REAL(wp), POINTER, DIMENSION(:,:) :: eirft ! ice energy of rafting ice 561 REAL(wp), POINTER, DIMENSION(:,:) :: erdg1 ! enth*volume of ice ridged 562 REAL(wp), POINTER, DIMENSION(:,:) :: erdg2 ! enth*volume of new ridges 563 REAL(wp), POINTER, DIMENSION(:,:) :: ersw ! enth of water trapped into ridges 564 !!---------------------------------------------------------------------- 565 566 CALL wrk_alloc( jpij, indxi, indxj ) 567 CALL wrk_alloc( jpij, zswitch, fvol ) 568 CALL wrk_alloc( jpij, afrac, ardg1, ardg2, vsrdg, esrdg, dhr, dhr2 ) 569 CALL wrk_alloc( jpij, vrdg1, vrdg2, vsw , srdg1, srdg2, smsw, oirdg1, oirdg2 ) 570 CALL wrk_alloc( jpij, afrft, arft1, arft2, virft, vsrft, esrft, smrft, oirft1, oirft2 ) 571 CALL wrk_alloc( jpij,nlay_i, eirft, erdg1, erdg2, ersw ) 572 573 !------------------------------------------------------------------------------- 574 ! 1) Compute change in open water area due to closing and opening. 575 !------------------------------------------------------------------------------- 576 DO jj = 1, jpj 577 DO ji = 1, jpi 578 ato_i(ji,jj) = MAX( 0._wp, ato_i(ji,jj) + & 579 & ( opning(ji,jj) - athorn(ji,jj,0) * closing_gross(ji,jj) ) * rdt_ice ) 580 END DO 581 END DO 582 583 !----------------------------------------------------------------- 584 ! 3) Pump everything from ice which is being ridged / rafted 585 !----------------------------------------------------------------- 586 ! Compute the area, volume, and energy of ice ridging in each 587 ! category, along with the area of the resulting ridge. 588 589 DO jl1 = 1, jpl !jl1 describes the ridging category 590 591 !------------------------------------------------ 592 ! 3.1) Identify grid cells with nonzero ridging 593 !------------------------------------------------ 594 icells = 0 595 DO jj = 1, jpj 596 DO ji = 1, jpi 597 IF( athorn(ji,jj,jl1) > 0._wp .AND. closing_gross(ji,jj) > 0._wp ) THEN 598 icells = icells + 1 599 indxi(icells) = ji 600 indxj(icells) = jj 601 ENDIF 602 END DO 603 END DO 604 605 DO ij = 1, icells 606 ji = indxi(ij) ; jj = indxj(ij) 607 608 !-------------------------------------------------------------------- 609 ! 3.2) Compute area of ridging ice (ardg1) and of new ridge (ardg2) 610 !-------------------------------------------------------------------- 611 ardg1(ij) = aridge(ji,jj,jl1) * closing_gross(ji,jj) * rdt_ice 612 arft1(ij) = araft (ji,jj,jl1) * closing_gross(ji,jj) * rdt_ice 613 614 !--------------------------------------------------------------- 615 ! 3.3) Compute ridging /rafting fractions, make sure afrac <=1 616 !--------------------------------------------------------------- 617 afrac(ij) = ardg1(ij) / a_i(ji,jj,jl1) !ridging 618 afrft(ij) = arft1(ij) / a_i(ji,jj,jl1) !rafting 619 ardg2(ij) = ardg1(ij) * krdg(ji,jj,jl1) 620 arft2(ij) = arft1(ij) * kraft 621 622 !-------------------------------------------------------------------------- 623 ! 3.4) Subtract area, volume, and energy from ridging 624 ! / rafting category n1. 625 !-------------------------------------------------------------------------- 626 vrdg1(ij) = v_i(ji,jj,jl1) * afrac(ij) 627 vrdg2(ij) = vrdg1(ij) * ( 1. + rn_por_rdg ) 628 vsw (ij) = vrdg1(ij) * rn_por_rdg 629 630 vsrdg (ij) = v_s (ji,jj, jl1) * afrac(ij) 631 esrdg (ij) = e_s (ji,jj,1,jl1) * afrac(ij) 632 srdg1 (ij) = smv_i(ji,jj, jl1) * afrac(ij) 633 oirdg1(ij) = oa_i (ji,jj, jl1) * afrac(ij) 634 oirdg2(ij) = oa_i (ji,jj, jl1) * afrac(ij) * krdg(ji,jj,jl1) 635 636 ! rafting volumes, heat contents ... 637 virft (ij) = v_i (ji,jj, jl1) * afrft(ij) 638 vsrft (ij) = v_s (ji,jj, jl1) * afrft(ij) 639 esrft (ij) = e_s (ji,jj,1,jl1) * afrft(ij) 640 smrft (ij) = smv_i(ji,jj, jl1) * afrft(ij) 641 oirft1(ij) = oa_i (ji,jj, jl1) * afrft(ij) 642 oirft2(ij) = oa_i (ji,jj, jl1) * afrft(ij) * kraft 643 644 !----------------------------------------------------------------- 645 ! 3.5) Compute properties of new ridges 646 !----------------------------------------------------------------- 647 smsw(ij) = vsw(ij) * sss_m(ji,jj) ! salt content of seawater frozen in voids 648 srdg2(ij) = srdg1(ij) + smsw(ij) ! salt content of new ridge 649 650 sfx_dyn(ji,jj) = sfx_dyn(ji,jj) - smsw(ij) * rhoic * r1_rdtice 651 wfx_dyn(ji,jj) = wfx_dyn(ji,jj) - vsw (ij) * rhoic * r1_rdtice ! increase in ice volume due to seawater frozen in voids 652 653 ! virtual salt flux to keep salinity constant 654 IF( nn_icesal == 1 .OR. nn_icesal == 3 ) THEN 655 srdg2(ij) = srdg2(ij) - vsw(ij) * ( sss_m(ji,jj) - sm_i(ji,jj,jl1) ) ! ridge salinity = sm_i 656 sfx_bri(ji,jj) = sfx_bri(ji,jj) + sss_m(ji,jj) * vsw(ij) * rhoic * r1_rdtice & ! put back sss_m into the ocean 657 & - sm_i(ji,jj,jl1) * vsw(ij) * rhoic * r1_rdtice ! and get sm_i from the ocean 658 ENDIF 659 660 !------------------------------------------ 661 ! 3.7 Put the snow somewhere in the ocean 662 !------------------------------------------ 663 ! Place part of the snow lost by ridging into the ocean. 664 ! Note that esrdg > 0; the ocean must cool to melt snow. 665 ! If the ocean temp = Tf already, new ice must grow. 666 ! During the next time step, thermo_rates will determine whether 667 ! the ocean cools or new ice grows. 668 wfx_snw(ji,jj) = wfx_snw(ji,jj) + ( rhosn * vsrdg(ij) * ( 1._wp - rn_fsnowrdg ) & 669 & + rhosn * vsrft(ij) * ( 1._wp - rn_fsnowrft ) ) * r1_rdtice ! fresh water source for ocean 670 671 hfx_dyn(ji,jj) = hfx_dyn(ji,jj) + ( - esrdg(ij) * ( 1._wp - rn_fsnowrdg ) & 672 & - esrft(ij) * ( 1._wp - rn_fsnowrft ) ) * r1_rdtice ! heat sink for ocean (<0, W.m-2) 673 674 !----------------------------------------------------------------- 675 ! 3.8 Compute quantities used to apportion ice among categories 676 ! in the n2 loop below 677 !----------------------------------------------------------------- 678 dhr (ij) = 1._wp / ( hrmax(ji,jj,jl1) - hrmin(ji,jj,jl1) ) 679 dhr2(ij) = 1._wp / ( hrmax(ji,jj,jl1) * hrmax(ji,jj,jl1) - hrmin(ji,jj,jl1) * hrmin(ji,jj,jl1) ) 680 681 682 ! update jl1 (removing ridged/rafted area) 683 a_i (ji,jj, jl1) = a_i (ji,jj, jl1) - ardg1 (ij) - arft1 (ij) 684 v_i (ji,jj, jl1) = v_i (ji,jj, jl1) - vrdg1 (ij) - virft (ij) 685 v_s (ji,jj, jl1) = v_s (ji,jj, jl1) - vsrdg (ij) - vsrft (ij) 686 e_s (ji,jj,1,jl1) = e_s (ji,jj,1,jl1) - esrdg (ij) - esrft (ij) 687 smv_i(ji,jj, jl1) = smv_i(ji,jj, jl1) - srdg1 (ij) - smrft (ij) 688 oa_i (ji,jj, jl1) = oa_i (ji,jj, jl1) - oirdg1(ij) - oirft1(ij) 689 690 END DO 691 692 !-------------------------------------------------------------------- 693 ! 3.9 Compute ridging ice enthalpy, remove it from ridging ice and 694 ! compute ridged ice enthalpy 695 !-------------------------------------------------------------------- 696 DO jk = 1, nlay_i 697 DO ij = 1, icells 698 ji = indxi(ij) ; jj = indxj(ij) 699 ! heat content of ridged ice 700 erdg1(ij,jk) = e_i(ji,jj,jk,jl1) * afrac(ij) 701 eirft(ij,jk) = e_i(ji,jj,jk,jl1) * afrft(ij) 702 703 ! enthalpy of the trapped seawater (J/m2, >0) 704 ! clem: if sst>0, then ersw <0 (is that possible?) 705 ersw(ij,jk) = - rhoic * vsw(ij) * rcp * sst_m(ji,jj) * r1_nlay_i 706 707 ! heat flux to the ocean 708 hfx_dyn(ji,jj) = hfx_dyn(ji,jj) + ersw(ij,jk) * r1_rdtice ! > 0 [W.m-2] ocean->ice flux 709 710 ! it is added to sea ice because the sign convention is the opposite of the sign convention for the ocean 711 erdg2(ij,jk) = erdg1(ij,jk) + ersw(ij,jk) 712 713 ! update jl1 714 e_i (ji,jj,jk,jl1) = e_i(ji,jj,jk,jl1) - erdg1(ij,jk) - eirft(ij,jk) 715 716 END DO 717 END DO 718 719 !------------------------------------------------------------------------------- 720 ! 4) Add area, volume, and energy of new ridge to each category jl2 721 !------------------------------------------------------------------------------- 722 DO jl2 = 1, jpl 723 ! over categories to which ridged/rafted ice is transferred 724 DO ij = 1, icells 725 ji = indxi(ij) ; jj = indxj(ij) 726 727 ! Compute the fraction of ridged ice area and volume going to thickness category jl2. 728 IF( hrmin(ji,jj,jl1) <= hi_max(jl2) .AND. hrmax(ji,jj,jl1) > hi_max(jl2-1) ) THEN 729 hL = MAX( hrmin(ji,jj,jl1), hi_max(jl2-1) ) 730 hR = MIN( hrmax(ji,jj,jl1), hi_max(jl2) ) 731 farea = ( hR - hL ) * dhr(ij) 732 fvol(ij) = ( hR * hR - hL * hL ) * dhr2(ij) 733 ELSE 734 farea = 0._wp 735 fvol(ij) = 0._wp 736 ENDIF 737 738 ! Compute the fraction of rafted ice area and volume going to thickness category jl2 739 IF( hraft(ji,jj,jl1) <= hi_max(jl2) .AND. hraft(ji,jj,jl1) > hi_max(jl2-1) ) THEN 740 zswitch(ij) = 1._wp 741 ELSE 742 zswitch(ij) = 0._wp 743 ENDIF 744 745 a_i (ji,jj ,jl2) = a_i (ji,jj ,jl2) + ( ardg2 (ij) * farea + arft2 (ij) * zswitch(ij) ) 746 oa_i (ji,jj ,jl2) = oa_i (ji,jj ,jl2) + ( oirdg2(ij) * farea + oirft2(ij) * zswitch(ij) ) 747 v_i (ji,jj ,jl2) = v_i (ji,jj ,jl2) + ( vrdg2 (ij) * fvol(ij) + virft (ij) * zswitch(ij) ) 748 smv_i(ji,jj ,jl2) = smv_i(ji,jj ,jl2) + ( srdg2 (ij) * fvol(ij) + smrft (ij) * zswitch(ij) ) 749 v_s (ji,jj ,jl2) = v_s (ji,jj ,jl2) + ( vsrdg (ij) * rn_fsnowrdg * fvol(ij) + & 750 & vsrft (ij) * rn_fsnowrft * zswitch(ij) ) 751 e_s (ji,jj,1,jl2) = e_s (ji,jj,1,jl2) + ( esrdg (ij) * rn_fsnowrdg * fvol(ij) + & 752 & esrft (ij) * rn_fsnowrft * zswitch(ij) ) 753 754 END DO 755 756 ! Transfer ice energy to category jl2 by ridging 757 DO jk = 1, nlay_i 758 DO ij = 1, icells 759 ji = indxi(ij) ; jj = indxj(ij) 760 e_i(ji,jj,jk,jl2) = e_i(ji,jj,jk,jl2) + erdg2(ij,jk) * fvol(ij) + eirft(ij,jk) * zswitch(ij) 761 END DO 762 END DO 763 ! 764 END DO ! jl2 765 766 END DO ! jl1 (deforming categories) 767 768 ! 769 CALL wrk_dealloc( jpij, indxi, indxj ) 770 CALL wrk_dealloc( jpij, zswitch, fvol ) 771 CALL wrk_dealloc( jpij, afrac, ardg1, ardg2, vsrdg, esrdg, dhr, dhr2 ) 772 CALL wrk_dealloc( jpij, vrdg1, vrdg2, vsw , srdg1, srdg2, smsw, oirdg1, oirdg2 ) 773 CALL wrk_dealloc( jpij, afrft, arft1, arft2, virft, vsrft, esrft, smrft, oirft1, oirft2 ) 774 CALL wrk_dealloc( jpij,nlay_i, eirft, erdg1, erdg2, ersw ) 775 ! 776 END SUBROUTINE lim_itd_me_ridgeshift 417 777 418 778 SUBROUTINE lim_itd_me_icestrength( kstrngth ) … … 434 794 INTEGER :: ksmooth ! smoothing the resistance to deformation 435 795 INTEGER :: numts_rm ! number of time steps for the P smoothing 436 REAL(wp) :: z hi, zp, z1_3! local scalars796 REAL(wp) :: zp, z1_3 ! local scalars 437 797 REAL(wp), POINTER, DIMENSION(:,:) :: zworka ! temporary array used here 438 798 !!---------------------------------------------------------------------- … … 459 819 DO ji = 1, jpi 460 820 ! 461 IF( a_i(ji,jj,jl) > epsi10 .AND. athorn(ji,jj,jl) > 0._wp ) THEN 462 zhi = v_i(ji,jj,jl) / a_i(ji,jj,jl) 821 IF( athorn(ji,jj,jl) > 0._wp ) THEN 463 822 !---------------------------- 464 823 ! PE loss from deforming ice 465 824 !---------------------------- 466 strength(ji,jj) = strength(ji,jj) - athorn(ji,jj,jl) * zhi * zhi825 strength(ji,jj) = strength(ji,jj) - athorn(ji,jj,jl) * ht_i(ji,jj,jl) * ht_i(ji,jj,jl) 467 826 468 827 !-------------------------- 469 828 ! PE gain from rafting ice 470 829 !-------------------------- 471 strength(ji,jj) = strength(ji,jj) + 2._wp * araft(ji,jj,jl) * zhi * zhi830 strength(ji,jj) = strength(ji,jj) + 2._wp * araft(ji,jj,jl) * ht_i(ji,jj,jl) * ht_i(ji,jj,jl) 472 831 473 832 !---------------------------- 474 833 ! PE gain from ridging ice 475 834 !---------------------------- 476 strength(ji,jj) = strength(ji,jj) + aridge(ji,jj,jl) / krdg(ji,jj,jl) & 477 * z1_3 * ( hrmax(ji,jj,jl)**2 + hrmin(ji,jj,jl)**2 + hrmax(ji,jj,jl) * hrmin(ji,jj,jl) ) 835 strength(ji,jj) = strength(ji,jj) + aridge(ji,jj,jl) * krdg(ji,jj,jl) * z1_3 * & 836 & ( hrmax(ji,jj,jl) * hrmax(ji,jj,jl) + & 837 & hrmin(ji,jj,jl) * hrmin(ji,jj,jl) + & 838 & hrmax(ji,jj,jl) * hrmin(ji,jj,jl) ) 478 839 !!(a**3-b**3)/(a-b) = a*a+ab+b*b 479 840 ENDIF … … 497 858 ! 498 859 ENDIF ! kstrngth 499 500 860 ! 501 861 !------------------------------------------------------------------------------! … … 503 863 !------------------------------------------------------------------------------! 504 864 ! CAN BE REMOVED 505 !506 865 IF( ln_icestr_bvf ) THEN 507 508 866 DO jj = 1, jpj 509 867 DO ji = 1, jpi … … 511 869 END DO 512 870 END DO 513 514 871 ENDIF 515 516 872 ! 517 873 !------------------------------------------------------------------------------! … … 558 914 IF ( ksmooth == 2 ) THEN 559 915 560 561 916 CALL lbc_lnk( strength, 'T', 1. ) 562 917 … … 565 920 IF ( ( asum(ji,jj) - ato_i(ji,jj) ) > 0._wp) THEN 566 921 numts_rm = 1 ! number of time steps for the running mean 567 IF ( strp1(ji,jj) > 0. 0) numts_rm = numts_rm + 1568 IF ( strp2(ji,jj) > 0. 0) numts_rm = numts_rm + 1922 IF ( strp1(ji,jj) > 0._wp ) numts_rm = numts_rm + 1 923 IF ( strp2(ji,jj) > 0._wp ) numts_rm = numts_rm + 1 569 924 zp = ( strength(ji,jj) + strp1(ji,jj) + strp2(ji,jj) ) / numts_rm 570 925 strp2(ji,jj) = strp1(ji,jj) … … 583 938 ! 584 939 END SUBROUTINE lim_itd_me_icestrength 585 586 587 SUBROUTINE lim_itd_me_ridgeprep588 !!---------------------------------------------------------------------!589 !! *** ROUTINE lim_itd_me_ridgeprep ***590 !!591 !! ** Purpose : preparation for ridging and strength calculations592 !!593 !! ** Method : Compute the thickness distribution of the ice and open water594 !! participating in ridging and of the resulting ridges.595 !!---------------------------------------------------------------------!596 INTEGER :: ji,jj, jl ! dummy loop indices597 REAL(wp) :: Gstari, astari, zhi, hrmean, zdummy ! local scalar598 REAL(wp), POINTER, DIMENSION(:,:) :: zworka ! temporary array used here599 REAL(wp), POINTER, DIMENSION(:,:,:) :: Gsum ! Gsum(n) = sum of areas in categories 0 to n600 !------------------------------------------------------------------------------!601 602 CALL wrk_alloc( jpi,jpj, zworka )603 CALL wrk_alloc( jpi,jpj,jpl+2, Gsum, kkstart = -1 )604 605 Gstari = 1.0/rn_gstar606 astari = 1.0/rn_astar607 aksum(:,:) = 0.0608 athorn(:,:,:) = 0.0609 aridge(:,:,:) = 0.0610 araft (:,:,:) = 0.0611 hrmin(:,:,:) = 0.0612 hrmax(:,:,:) = 0.0613 hraft(:,:,:) = 0.0614 krdg (:,:,:) = 1.0615 616 ! ! Zero out categories with very small areas617 CALL lim_var_zapsmall618 619 !------------------------------------------------------------------------------!620 ! 1) Participation function621 !------------------------------------------------------------------------------!622 623 ! Compute total area of ice plus open water.624 ! This is in general not equal to one because of divergence during transport625 asum(:,:) = ato_i(:,:)626 DO jl = 1, jpl627 asum(:,:) = asum(:,:) + a_i(:,:,jl)628 END DO629 630 ! Compute cumulative thickness distribution function631 ! Compute the cumulative thickness distribution function Gsum,632 ! where Gsum(n) is the fractional area in categories 0 to n.633 ! initial value (in h = 0) equals open water area634 635 Gsum(:,:,-1) = 0._wp636 Gsum(:,:,0 ) = ato_i(:,:)637 638 ! for each value of h, you have to add ice concentration then639 DO jl = 1, jpl640 Gsum(:,:,jl) = Gsum(:,:,jl-1) + a_i(:,:,jl)641 END DO642 643 ! Normalize the cumulative distribution to 1644 zworka(:,:) = 1._wp / Gsum(:,:,jpl)645 DO jl = 0, jpl646 Gsum(:,:,jl) = Gsum(:,:,jl) * zworka(:,:)647 END DO648 649 ! 1.3 Compute participation function a(h) = b(h).g(h) (athorn)650 !--------------------------------------------------------------------------------------------------651 ! Compute the participation function athorn; this is analogous to652 ! a(h) = b(h)g(h) as defined in Thorndike et al. (1975).653 ! area lost from category n due to ridging/closing654 ! athorn(n) = total area lost due to ridging/closing655 ! assume b(h) = (2/Gstar) * (1 - G(h)/Gstar).656 !657 ! The expressions for athorn are found by integrating b(h)g(h) between658 ! the category boundaries.659 !-----------------------------------------------------------------660 661 IF( nn_partfun == 0 ) THEN !--- Linear formulation (Thorndike et al., 1975)662 DO jl = 0, jpl663 DO jj = 1, jpj664 DO ji = 1, jpi665 IF( Gsum(ji,jj,jl) < rn_gstar) THEN666 athorn(ji,jj,jl) = Gstari * ( Gsum(ji,jj,jl) - Gsum(ji,jj,jl-1) ) * &667 & ( 2.0 - (Gsum(ji,jj,jl-1) + Gsum(ji,jj,jl) ) * Gstari )668 ELSEIF (Gsum(ji,jj,jl-1) < rn_gstar) THEN669 athorn(ji,jj,jl) = Gstari * ( rn_gstar - Gsum(ji,jj,jl-1) ) * &670 & ( 2.0 - ( Gsum(ji,jj,jl-1) + rn_gstar ) * Gstari )671 ELSE672 athorn(ji,jj,jl) = 0.0673 ENDIF674 END DO675 END DO676 END DO677 678 ELSE !--- Exponential, more stable formulation (Lipscomb et al, 2007)679 !680 zdummy = 1._wp / ( 1._wp - EXP(-astari) ) ! precompute exponential terms using Gsum as a work array681 DO jl = -1, jpl682 Gsum(:,:,jl) = EXP( -Gsum(:,:,jl) * astari ) * zdummy683 END DO684 DO jl = 0, jpl685 athorn(:,:,jl) = Gsum(:,:,jl-1) - Gsum(:,:,jl)686 END DO687 !688 ENDIF689 690 IF( ln_rafting ) THEN ! Ridging and rafting ice participation functions691 !692 DO jl = 1, jpl693 DO jj = 1, jpj694 DO ji = 1, jpi695 IF ( athorn(ji,jj,jl) > 0._wp ) THEN696 !!gm TANH( -X ) = - TANH( X ) so can be computed only 1 time....697 aridge(ji,jj,jl) = ( TANH ( rn_craft * ( ht_i(ji,jj,jl) - rn_hraft ) ) + 1.0 ) * 0.5 * athorn(ji,jj,jl)698 araft (ji,jj,jl) = ( TANH ( -rn_craft * ( ht_i(ji,jj,jl) - rn_hraft ) ) + 1.0 ) * 0.5 * athorn(ji,jj,jl)699 IF ( araft(ji,jj,jl) < epsi06 ) araft(ji,jj,jl) = 0._wp700 aridge(ji,jj,jl) = MAX( athorn(ji,jj,jl) - araft(ji,jj,jl), 0.0 )701 ENDIF702 END DO703 END DO704 END DO705 706 ELSE707 !708 DO jl = 1, jpl709 aridge(:,:,jl) = athorn(:,:,jl)710 END DO711 !712 ENDIF713 714 IF( ln_rafting ) THEN715 716 IF( MAXVAL(aridge + araft - athorn(:,:,1:jpl)) > epsi10 .AND. lwp ) THEN717 DO jl = 1, jpl718 DO jj = 1, jpj719 DO ji = 1, jpi720 IF ( aridge(ji,jj,jl) + araft(ji,jj,jl) - athorn(ji,jj,jl) > epsi10 ) THEN721 WRITE(numout,*) ' ALERTE 96 : wrong participation function ... '722 WRITE(numout,*) ' ji, jj, jl : ', ji, jj, jl723 WRITE(numout,*) ' lat, lon : ', gphit(ji,jj), glamt(ji,jj)724 WRITE(numout,*) ' aridge : ', aridge(ji,jj,1:jpl)725 WRITE(numout,*) ' araft : ', araft(ji,jj,1:jpl)726 WRITE(numout,*) ' athorn : ', athorn(ji,jj,1:jpl)727 ENDIF728 END DO729 END DO730 END DO731 ENDIF732 733 ENDIF734 735 !-----------------------------------------------------------------736 ! 2) Transfer function737 !-----------------------------------------------------------------738 ! Compute max and min ridged ice thickness for each ridging category.739 ! Assume ridged ice is uniformly distributed between hrmin and hrmax.740 !741 ! This parameterization is a modified version of Hibler (1980).742 ! The mean ridging thickness, hrmean, is proportional to hi^(0.5)743 ! and for very thick ridging ice must be >= krdgmin*hi744 !745 ! The minimum ridging thickness, hrmin, is equal to 2*hi746 ! (i.e., rafting) and for very thick ridging ice is747 ! constrained by hrmin <= (hrmean + hi)/2.748 !749 ! The maximum ridging thickness, hrmax, is determined by750 ! hrmean and hrmin.751 !752 ! These modifications have the effect of reducing the ice strength753 ! (relative to the Hibler formulation) when very thick ice is754 ! ridging.755 !756 ! aksum = net area removed/ total area removed757 ! where total area removed = area of ice that ridges758 ! net area removed = total area removed - area of new ridges759 !-----------------------------------------------------------------760 761 ! Transfer function762 DO jl = 1, jpl !all categories have a specific transfer function763 DO jj = 1, jpj764 DO ji = 1, jpi765 766 IF (a_i(ji,jj,jl) > epsi10 .AND. athorn(ji,jj,jl) > 0.0 ) THEN767 zhi = v_i(ji,jj,jl) / a_i(ji,jj,jl)768 hrmean = MAX(SQRT(rn_hstar*zhi), zhi*krdgmin)769 hrmin(ji,jj,jl) = MIN(2.0*zhi, 0.5*(hrmean + zhi))770 hrmax(ji,jj,jl) = 2.0*hrmean - hrmin(ji,jj,jl)771 hraft(ji,jj,jl) = kraft*zhi772 krdg(ji,jj,jl) = hrmean / zhi773 ELSE774 hraft(ji,jj,jl) = 0.0775 hrmin(ji,jj,jl) = 0.0776 hrmax(ji,jj,jl) = 0.0777 krdg (ji,jj,jl) = 1.0778 ENDIF779 780 END DO781 END DO782 END DO783 784 ! Normalization factor : aksum, ensures mass conservation785 aksum(:,:) = athorn(:,:,0)786 DO jl = 1, jpl787 aksum(:,:) = aksum(:,:) + aridge(:,:,jl) * ( 1._wp - 1._wp / krdg(:,:,jl) ) &788 & + araft (:,:,jl) * ( 1._wp - 1._wp / kraft )789 END DO790 !791 CALL wrk_dealloc( jpi,jpj, zworka )792 CALL wrk_dealloc( jpi,jpj,jpl+2, Gsum, kkstart = -1 )793 !794 END SUBROUTINE lim_itd_me_ridgeprep795 796 797 SUBROUTINE lim_itd_me_ridgeshift( opning, closing_gross, msnow_mlt, esnow_mlt )798 !!----------------------------------------------------------------------799 !! *** ROUTINE lim_itd_me_icestrength ***800 !!801 !! ** Purpose : shift ridging ice among thickness categories of ice thickness802 !!803 !! ** Method : Remove area, volume, and energy from each ridging category804 !! and add to thicker ice categories.805 !!----------------------------------------------------------------------806 REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: opning ! rate of opening due to divergence/shear807 REAL(wp), DIMENSION(jpi,jpj), INTENT(in ) :: closing_gross ! rate at which area removed, excluding area of new ridges808 REAL(wp), DIMENSION(jpi,jpj), INTENT(inout) :: msnow_mlt ! mass of snow added to ocean (kg m-2)809 REAL(wp), DIMENSION(jpi,jpj), INTENT(inout) :: esnow_mlt ! energy needed to melt snow in ocean (J m-2)810 !811 CHARACTER (len=80) :: fieldid ! field identifier812 LOGICAL, PARAMETER :: l_conservation_check = .true. ! if true, check conservation (useful for debugging)813 !814 INTEGER :: ji, jj, jl, jl1, jl2, jk ! dummy loop indices815 INTEGER :: ij ! horizontal index, combines i and j loops816 INTEGER :: icells ! number of cells with aicen > puny817 REAL(wp) :: hL, hR, farea, ztmelts ! left and right limits of integration818 819 INTEGER , POINTER, DIMENSION(:) :: indxi, indxj ! compressed indices820 821 REAL(wp), POINTER, DIMENSION(:,:) :: vice_init, vice_final ! ice volume summed over categories822 REAL(wp), POINTER, DIMENSION(:,:) :: eice_init, eice_final ! ice energy summed over layers823 824 REAL(wp), POINTER, DIMENSION(:,:,:) :: aicen_init, vicen_init ! ice area & volume before ridging825 REAL(wp), POINTER, DIMENSION(:,:,:) :: vsnwn_init, esnwn_init ! snow volume & energy before ridging826 REAL(wp), POINTER, DIMENSION(:,:,:) :: smv_i_init, oa_i_init ! ice salinity & age before ridging827 828 REAL(wp), POINTER, DIMENSION(:,:,:,:) :: eicen_init ! ice energy before ridging829 830 REAL(wp), POINTER, DIMENSION(:,:) :: afrac , fvol ! fraction of category area ridged & new ridge volume going to n2831 REAL(wp), POINTER, DIMENSION(:,:) :: ardg1 , ardg2 ! area of ice ridged & new ridges832 REAL(wp), POINTER, DIMENSION(:,:) :: vsrdg , esrdg ! snow volume & energy of ridging ice833 REAL(wp), POINTER, DIMENSION(:,:) :: dhr , dhr2 ! hrmax - hrmin & hrmax^2 - hrmin^2834 835 REAL(wp), POINTER, DIMENSION(:,:) :: vrdg1 ! volume of ice ridged836 REAL(wp), POINTER, DIMENSION(:,:) :: vrdg2 ! volume of new ridges837 REAL(wp), POINTER, DIMENSION(:,:) :: vsw ! volume of seawater trapped into ridges838 REAL(wp), POINTER, DIMENSION(:,:) :: srdg1 ! sal*volume of ice ridged839 REAL(wp), POINTER, DIMENSION(:,:) :: srdg2 ! sal*volume of new ridges840 REAL(wp), POINTER, DIMENSION(:,:) :: smsw ! sal*volume of water trapped into ridges841 REAL(wp), POINTER, DIMENSION(:,:) :: oirdg1, oirdg2 ! ice age of ice ridged842 843 REAL(wp), POINTER, DIMENSION(:,:) :: afrft ! fraction of category area rafted844 REAL(wp), POINTER, DIMENSION(:,:) :: arft1 , arft2 ! area of ice rafted and new rafted zone845 REAL(wp), POINTER, DIMENSION(:,:) :: virft , vsrft ! ice & snow volume of rafting ice846 REAL(wp), POINTER, DIMENSION(:,:) :: esrft , smrft ! snow energy & salinity of rafting ice847 REAL(wp), POINTER, DIMENSION(:,:) :: oirft1, oirft2 ! ice age of ice rafted848 849 REAL(wp), POINTER, DIMENSION(:,:,:) :: eirft ! ice energy of rafting ice850 REAL(wp), POINTER, DIMENSION(:,:,:) :: erdg1 ! enth*volume of ice ridged851 REAL(wp), POINTER, DIMENSION(:,:,:) :: erdg2 ! enth*volume of new ridges852 REAL(wp), POINTER, DIMENSION(:,:,:) :: ersw ! enth of water trapped into ridges853 !!----------------------------------------------------------------------854 855 CALL wrk_alloc( (jpi+1)*(jpj+1), indxi, indxj )856 CALL wrk_alloc( jpi, jpj, vice_init, vice_final, eice_init, eice_final )857 CALL wrk_alloc( jpi, jpj, afrac, fvol , ardg1, ardg2, vsrdg, esrdg, dhr, dhr2 )858 CALL wrk_alloc( jpi, jpj, vrdg1, vrdg2, vsw , srdg1, srdg2, smsw, oirdg1, oirdg2 )859 CALL wrk_alloc( jpi, jpj, afrft, arft1, arft2, virft, vsrft, esrft, smrft, oirft1, oirft2 )860 CALL wrk_alloc( jpi, jpj, jpl, aicen_init, vicen_init, vsnwn_init, esnwn_init, smv_i_init, oa_i_init )861 CALL wrk_alloc( jpi, jpj, nlay_i, eirft, erdg1, erdg2, ersw )862 CALL wrk_alloc( jpi, jpj, nlay_i, jpl, eicen_init )863 864 ! Conservation check865 eice_init(:,:) = 0._wp866 867 IF( con_i ) THEN868 CALL lim_column_sum (jpl, v_i, vice_init )869 CALL lim_column_sum_energy (jpl, nlay_i, e_i, eice_init )870 DO ji = mi0(iiceprt), mi1(iiceprt)871 DO jj = mj0(jiceprt), mj1(jiceprt)872 WRITE(numout,*) ' vice_init : ', vice_init(ji,jj)873 WRITE(numout,*) ' eice_init : ', eice_init(ji,jj)874 END DO875 END DO876 ENDIF877 878 !-------------------------------------------------------------------------------879 ! 1) Compute change in open water area due to closing and opening.880 !-------------------------------------------------------------------------------881 DO jj = 1, jpj882 DO ji = 1, jpi883 ato_i(ji,jj) = ato_i(ji,jj) - athorn(ji,jj,0) * closing_gross(ji,jj) * rdt_ice &884 & + opning(ji,jj) * rdt_ice885 IF ( ato_i(ji,jj) < -epsi10 ) THEN ! there is a bug886 IF(lwp) WRITE(numout,*) 'Ridging error: ato_i < 0 -- ato_i : ',ato_i(ji,jj)887 ELSEIF( ato_i(ji,jj) < 0._wp ) THEN ! roundoff error888 ato_i(ji,jj) = 0._wp889 ENDIF890 END DO891 END DO892 893 !-----------------------------------------------------------------894 ! 2) Save initial state variables895 !-----------------------------------------------------------------896 aicen_init(:,:,:) = a_i (:,:,:)897 vicen_init(:,:,:) = v_i (:,:,:)898 vsnwn_init(:,:,:) = v_s (:,:,:)899 smv_i_init(:,:,:) = smv_i(:,:,:)900 esnwn_init(:,:,:) = e_s (:,:,1,:)901 eicen_init(:,:,:,:) = e_i (:,:,:,:)902 oa_i_init (:,:,:) = oa_i (:,:,:)903 904 !905 !-----------------------------------------------------------------906 ! 3) Pump everything from ice which is being ridged / rafted907 !-----------------------------------------------------------------908 ! Compute the area, volume, and energy of ice ridging in each909 ! category, along with the area of the resulting ridge.910 911 DO jl1 = 1, jpl !jl1 describes the ridging category912 913 !------------------------------------------------914 ! 3.1) Identify grid cells with nonzero ridging915 !------------------------------------------------916 917 icells = 0918 DO jj = 1, jpj919 DO ji = 1, jpi920 IF( aicen_init(ji,jj,jl1) > epsi10 .AND. athorn(ji,jj,jl1) > 0._wp &921 & .AND. closing_gross(ji,jj) > 0._wp ) THEN922 icells = icells + 1923 indxi(icells) = ji924 indxj(icells) = jj925 ENDIF926 END DO927 END DO928 929 DO ij = 1, icells930 ji = indxi(ij)931 jj = indxj(ij)932 933 !--------------------------------------------------------------------934 ! 3.2) Compute area of ridging ice (ardg1) and of new ridge (ardg2)935 !--------------------------------------------------------------------936 937 ardg1(ji,jj) = aridge(ji,jj,jl1)*closing_gross(ji,jj)*rdt_ice938 arft1(ji,jj) = araft (ji,jj,jl1)*closing_gross(ji,jj)*rdt_ice939 ardg2(ji,jj) = ardg1(ji,jj) / krdg(ji,jj,jl1)940 arft2(ji,jj) = arft1(ji,jj) / kraft941 942 !---------------------------------------------------------------943 ! 3.3) Compute ridging /rafting fractions, make sure afrac <=1944 !---------------------------------------------------------------945 946 afrac(ji,jj) = ardg1(ji,jj) / aicen_init(ji,jj,jl1) !ridging947 afrft(ji,jj) = arft1(ji,jj) / aicen_init(ji,jj,jl1) !rafting948 949 IF( afrac(ji,jj) > kamax + epsi10 ) THEN ! there is a bug950 IF(lwp) WRITE(numout,*) ' ardg > a_i -- ardg, aicen_init : ', ardg1(ji,jj), aicen_init(ji,jj,jl1)951 ELSEIF( afrac(ji,jj) > kamax ) THEN ! roundoff error952 afrac(ji,jj) = kamax953 ENDIF954 955 IF( afrft(ji,jj) > kamax + epsi10 ) THEN ! there is a bug956 IF(lwp) WRITE(numout,*) ' arft > a_i -- arft, aicen_init : ', arft1(ji,jj), aicen_init(ji,jj,jl1)957 ELSEIF( afrft(ji,jj) > kamax) THEN ! roundoff error958 afrft(ji,jj) = kamax959 ENDIF960 961 !--------------------------------------------------------------------------962 ! 3.4) Subtract area, volume, and energy from ridging963 ! / rafting category n1.964 !--------------------------------------------------------------------------965 vrdg1(ji,jj) = vicen_init(ji,jj,jl1) * afrac(ji,jj)966 vrdg2(ji,jj) = vrdg1(ji,jj) * ( 1. + rn_por_rdg )967 vsw (ji,jj) = vrdg1(ji,jj) * rn_por_rdg968 969 vsrdg (ji,jj) = vsnwn_init(ji,jj,jl1) * afrac(ji,jj)970 esrdg (ji,jj) = esnwn_init(ji,jj,jl1) * afrac(ji,jj)971 srdg1 (ji,jj) = smv_i_init(ji,jj,jl1) * afrac(ji,jj)972 oirdg1(ji,jj) = oa_i_init (ji,jj,jl1) * afrac(ji,jj)973 oirdg2(ji,jj) = oa_i_init (ji,jj,jl1) * afrac(ji,jj) / krdg(ji,jj,jl1)974 975 ! rafting volumes, heat contents ...976 virft (ji,jj) = vicen_init(ji,jj,jl1) * afrft(ji,jj)977 vsrft (ji,jj) = vsnwn_init(ji,jj,jl1) * afrft(ji,jj)978 esrft (ji,jj) = esnwn_init(ji,jj,jl1) * afrft(ji,jj)979 smrft (ji,jj) = smv_i_init(ji,jj,jl1) * afrft(ji,jj)980 oirft1(ji,jj) = oa_i_init (ji,jj,jl1) * afrft(ji,jj)981 oirft2(ji,jj) = oa_i_init (ji,jj,jl1) * afrft(ji,jj) / kraft982 983 ! substract everything984 a_i(ji,jj,jl1) = a_i(ji,jj,jl1) - ardg1 (ji,jj) - arft1 (ji,jj)985 v_i(ji,jj,jl1) = v_i(ji,jj,jl1) - vrdg1 (ji,jj) - virft (ji,jj)986 v_s(ji,jj,jl1) = v_s(ji,jj,jl1) - vsrdg (ji,jj) - vsrft (ji,jj)987 e_s(ji,jj,1,jl1) = e_s(ji,jj,1,jl1) - esrdg (ji,jj) - esrft (ji,jj)988 smv_i(ji,jj,jl1) = smv_i(ji,jj,jl1) - srdg1 (ji,jj) - smrft (ji,jj)989 oa_i(ji,jj,jl1) = oa_i(ji,jj,jl1) - oirdg1(ji,jj) - oirft1(ji,jj)990 991 !-----------------------------------------------------------------992 ! 3.5) Compute properties of new ridges993 !-----------------------------------------------------------------994 !---------995 ! Salinity996 !---------997 smsw(ji,jj) = vsw(ji,jj) * sss_m(ji,jj) ! salt content of seawater frozen in voids !! MV HC2014998 srdg2(ji,jj) = srdg1(ji,jj) + smsw(ji,jj) ! salt content of new ridge999 1000 !srdg2(ji,jj) = MIN( rn_simax * vrdg2(ji,jj) , zsrdg2 ) ! impose a maximum salinity1001 1002 sfx_dyn(ji,jj) = sfx_dyn(ji,jj) - smsw(ji,jj) * rhoic * r1_rdtice1003 wfx_dyn(ji,jj) = wfx_dyn(ji,jj) - vsw (ji,jj) * rhoic * r1_rdtice ! increase in ice volume du to seawater frozen in voids1004 1005 !------------------------------------1006 ! 3.6 Increment ridging diagnostics1007 !------------------------------------1008 1009 ! jl1 looping 1-jpl1010 ! ij looping 1-icells1011 1012 dardg1dt (ji,jj) = dardg1dt(ji,jj) + ardg1(ji,jj) + arft1(ji,jj)1013 dardg2dt (ji,jj) = dardg2dt(ji,jj) + ardg2(ji,jj) + arft2(ji,jj)1014 opening (ji,jj) = opening (ji,jj) + opning(ji,jj) * rdt_ice1015 1016 IF( con_i ) vice_init(ji,jj) = vice_init(ji,jj) + vrdg2(ji,jj) - vrdg1(ji,jj)1017 1018 !------------------------------------------1019 ! 3.7 Put the snow somewhere in the ocean1020 !------------------------------------------1021 ! Place part of the snow lost by ridging into the ocean.1022 ! Note that esnow_mlt < 0; the ocean must cool to melt snow.1023 ! If the ocean temp = Tf already, new ice must grow.1024 ! During the next time step, thermo_rates will determine whether1025 ! the ocean cools or new ice grows.1026 ! jl1 looping 1-jpl1027 ! ij looping 1-icells1028 1029 msnow_mlt(ji,jj) = msnow_mlt(ji,jj) + rhosn*vsrdg(ji,jj)*(1.0-rn_fsnowrdg) & ! rafting included1030 & + rhosn*vsrft(ji,jj)*(1.0-rn_fsnowrft)1031 1032 ! in J/m2 (same as e_s)1033 esnow_mlt(ji,jj) = esnow_mlt(ji,jj) - esrdg(ji,jj)*(1.0-rn_fsnowrdg) & !rafting included1034 & - esrft(ji,jj)*(1.0-rn_fsnowrft)1035 1036 !-----------------------------------------------------------------1037 ! 3.8 Compute quantities used to apportion ice among categories1038 ! in the n2 loop below1039 !-----------------------------------------------------------------1040 1041 ! jl1 looping 1-jpl1042 ! ij looping 1-icells1043 1044 dhr (ji,jj) = hrmax(ji,jj,jl1) - hrmin(ji,jj,jl1)1045 dhr2(ji,jj) = hrmax(ji,jj,jl1) * hrmax(ji,jj,jl1) - hrmin(ji,jj,jl1) * hrmin(ji,jj,jl1)1046 1047 END DO1048 1049 !--------------------------------------------------------------------1050 ! 3.9 Compute ridging ice enthalpy, remove it from ridging ice and1051 ! compute ridged ice enthalpy1052 !--------------------------------------------------------------------1053 DO jk = 1, nlay_i1054 DO ij = 1, icells1055 ji = indxi(ij)1056 jj = indxj(ij)1057 ! heat content of ridged ice1058 erdg1(ji,jj,jk) = eicen_init(ji,jj,jk,jl1) * afrac(ji,jj)1059 eirft(ji,jj,jk) = eicen_init(ji,jj,jk,jl1) * afrft(ji,jj)1060 e_i (ji,jj,jk,jl1) = e_i(ji,jj,jk,jl1) - erdg1(ji,jj,jk) - eirft(ji,jj,jk)1061 1062 1063 ! enthalpy of the trapped seawater (J/m2, >0)1064 ! clem: if sst>0, then ersw <0 (is that possible?)1065 ersw(ji,jj,jk) = - rhoic * vsw(ji,jj) * rcp * sst_m(ji,jj) * r1_nlay_i1066 1067 ! heat flux to the ocean1068 hfx_dyn(ji,jj) = hfx_dyn(ji,jj) + ersw(ji,jj,jk) * r1_rdtice ! > 0 [W.m-2] ocean->ice flux1069 1070 ! it is added to sea ice because the sign convention is the opposite of the sign convention for the ocean1071 erdg2(ji,jj,jk) = erdg1(ji,jj,jk) + ersw(ji,jj,jk)1072 1073 END DO1074 END DO1075 1076 1077 IF( con_i ) THEN1078 DO jk = 1, nlay_i1079 DO ij = 1, icells1080 ji = indxi(ij)1081 jj = indxj(ij)1082 eice_init(ji,jj) = eice_init(ji,jj) + erdg2(ji,jj,jk) - erdg1(ji,jj,jk)1083 END DO1084 END DO1085 ENDIF1086 1087 !-------------------------------------------------------------------------------1088 ! 4) Add area, volume, and energy of new ridge to each category jl21089 !-------------------------------------------------------------------------------1090 ! jl1 looping 1-jpl1091 DO jl2 = 1, jpl1092 ! over categories to which ridged ice is transferred1093 DO ij = 1, icells1094 ji = indxi(ij)1095 jj = indxj(ij)1096 1097 ! Compute the fraction of ridged ice area and volume going to1098 ! thickness category jl2.1099 ! Transfer area, volume, and energy accordingly.1100 1101 IF( hrmin(ji,jj,jl1) >= hi_max(jl2) .OR. hrmax(ji,jj,jl1) <= hi_max(jl2-1) ) THEN1102 hL = 0._wp1103 hR = 0._wp1104 ELSE1105 hL = MAX( hrmin(ji,jj,jl1), hi_max(jl2-1) )1106 hR = MIN( hrmax(ji,jj,jl1), hi_max(jl2) )1107 ENDIF1108 1109 ! fraction of ridged ice area and volume going to n21110 farea = ( hR - hL ) / dhr(ji,jj)1111 fvol(ji,jj) = ( hR*hR - hL*hL ) / dhr2(ji,jj)1112 1113 a_i (ji,jj ,jl2) = a_i (ji,jj ,jl2) + ardg2 (ji,jj) * farea1114 v_i (ji,jj ,jl2) = v_i (ji,jj ,jl2) + vrdg2 (ji,jj) * fvol(ji,jj)1115 v_s (ji,jj ,jl2) = v_s (ji,jj ,jl2) + vsrdg (ji,jj) * fvol(ji,jj) * rn_fsnowrdg1116 e_s (ji,jj,1,jl2) = e_s (ji,jj,1,jl2) + esrdg (ji,jj) * fvol(ji,jj) * rn_fsnowrdg1117 smv_i(ji,jj ,jl2) = smv_i(ji,jj ,jl2) + srdg2 (ji,jj) * fvol(ji,jj)1118 oa_i (ji,jj ,jl2) = oa_i (ji,jj ,jl2) + oirdg2(ji,jj) * farea1119 1120 END DO1121 1122 ! Transfer ice energy to category jl2 by ridging1123 DO jk = 1, nlay_i1124 DO ij = 1, icells1125 ji = indxi(ij)1126 jj = indxj(ij)1127 e_i(ji,jj,jk,jl2) = e_i(ji,jj,jk,jl2) + fvol(ji,jj) * erdg2(ji,jj,jk)1128 END DO1129 END DO1130 !1131 END DO ! jl2 (new ridges)1132 1133 DO jl2 = 1, jpl1134 1135 DO ij = 1, icells1136 ji = indxi(ij)1137 jj = indxj(ij)1138 ! Compute the fraction of rafted ice area and volume going to1139 ! thickness category jl2, transfer area, volume, and energy accordingly.1140 !1141 IF( hraft(ji,jj,jl1) <= hi_max(jl2) .AND. hraft(ji,jj,jl1) > hi_max(jl2-1) ) THEN1142 a_i (ji,jj ,jl2) = a_i (ji,jj ,jl2) + arft2 (ji,jj)1143 v_i (ji,jj ,jl2) = v_i (ji,jj ,jl2) + virft (ji,jj)1144 v_s (ji,jj ,jl2) = v_s (ji,jj ,jl2) + vsrft (ji,jj) * rn_fsnowrft1145 e_s (ji,jj,1,jl2) = e_s (ji,jj,1,jl2) + esrft (ji,jj) * rn_fsnowrft1146 smv_i(ji,jj ,jl2) = smv_i(ji,jj ,jl2) + smrft (ji,jj)1147 oa_i (ji,jj ,jl2) = oa_i (ji,jj ,jl2) + oirft2(ji,jj)1148 ENDIF1149 !1150 END DO1151 1152 ! Transfer rafted ice energy to category jl21153 DO jk = 1, nlay_i1154 DO ij = 1, icells1155 ji = indxi(ij)1156 jj = indxj(ij)1157 IF( hraft(ji,jj,jl1) <= hi_max(jl2) .AND. hraft(ji,jj,jl1) > hi_max(jl2-1) ) THEN1158 e_i(ji,jj,jk,jl2) = e_i(ji,jj,jk,jl2) + eirft(ji,jj,jk)1159 ENDIF1160 END DO1161 END DO1162 1163 END DO1164 1165 END DO ! jl1 (deforming categories)1166 1167 ! Conservation check1168 IF ( con_i ) THEN1169 CALL lim_column_sum (jpl, v_i, vice_final)1170 fieldid = ' v_i : limitd_me '1171 CALL lim_cons_check (vice_init, vice_final, 1.0e-6, fieldid)1172 1173 CALL lim_column_sum_energy (jpl, nlay_i, e_i, eice_final )1174 fieldid = ' e_i : limitd_me '1175 CALL lim_cons_check (eice_init, eice_final, 1.0e-2, fieldid)1176 1177 DO ji = mi0(iiceprt), mi1(iiceprt)1178 DO jj = mj0(jiceprt), mj1(jiceprt)1179 WRITE(numout,*) ' vice_init : ', vice_init (ji,jj)1180 WRITE(numout,*) ' vice_final : ', vice_final(ji,jj)1181 WRITE(numout,*) ' eice_init : ', eice_init (ji,jj)1182 WRITE(numout,*) ' eice_final : ', eice_final(ji,jj)1183 END DO1184 END DO1185 ENDIF1186 !1187 CALL wrk_dealloc( (jpi+1)*(jpj+1), indxi, indxj )1188 CALL wrk_dealloc( jpi, jpj, vice_init, vice_final, eice_init, eice_final )1189 CALL wrk_dealloc( jpi, jpj, afrac, fvol , ardg1, ardg2, vsrdg, esrdg, dhr, dhr2 )1190 CALL wrk_dealloc( jpi, jpj, vrdg1, vrdg2, vsw , srdg1, srdg2, smsw, oirdg1, oirdg2 )1191 CALL wrk_dealloc( jpi, jpj, afrft, arft1, arft2, virft, vsrft, esrft, smrft, oirft1, oirft2 )1192 CALL wrk_dealloc( jpi, jpj, jpl, aicen_init, vicen_init, vsnwn_init, esnwn_init, smv_i_init, oa_i_init )1193 CALL wrk_dealloc( jpi, jpj, nlay_i, eirft, erdg1, erdg2, ersw )1194 CALL wrk_dealloc( jpi, jpj, nlay_i, jpl, eicen_init )1195 !1196 END SUBROUTINE lim_itd_me_ridgeshift1197 940 1198 941 SUBROUTINE lim_itd_me_init -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limrhg.F90
r6836 r6839 159 159 CALL wrk_alloc( jpi,jpj, u_oce2, u_ice2, v_oce1 , v_ice1 , zmask ) 160 160 CALL wrk_alloc( jpi,jpj, zf1 , zu_ice, zf2 , zv_ice , zdt , zds ) 161 CALL wrk_alloc( jpi,jpj, z dt , zds , zs1 , zs2 , zs12 , zresr , zpice )161 CALL wrk_alloc( jpi,jpj, zs1 , zs2 , zs12 , zresr , zpice ) 162 162 163 163 #if defined key_lim2 && ! defined key_lim2_vp … … 690 690 CALL wrk_dealloc( jpi,jpj, u_oce2, u_ice2, v_oce1 , v_ice1 , zmask ) 691 691 CALL wrk_dealloc( jpi,jpj, zf1 , zu_ice, zf2 , zv_ice , zdt , zds ) 692 CALL wrk_dealloc( jpi,jpj, z dt , zds , zs1 , zs2 , zs12 , zresr , zpice )692 CALL wrk_dealloc( jpi,jpj, zs1 , zs2 , zs12 , zresr , zpice ) 693 693 694 694 END SUBROUTINE lim_rhg -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limsbc.F90
r6836 r6839 94 94 !! - fr_i : ice fraction 95 95 !! - tn_ice : sea-ice surface temperature 96 !! - alb_ice : sea-ice albedo ( only useful incoupled mode)96 !! - alb_ice : sea-ice albedo (recomputed only for coupled mode) 97 97 !! 98 98 !! References : Goosse, H. et al. 1996, Bul. Soc. Roy. Sc. Liege, 65, 87-90. … … 106 106 REAL(wp) :: zqsr ! New solar flux received by the ocean 107 107 ! 108 REAL(wp), POINTER, DIMENSION(:,:,:) :: zalb_cs, zalb_os ! 2D/3D workspace 108 REAL(wp), POINTER, DIMENSION(:,:,:) :: zalb_cs, zalb_os ! 3D workspace 109 REAL(wp), POINTER, DIMENSION(:,:) :: zalb ! 2D workspace 109 110 !!--------------------------------------------------------------------- 110 111 111 112 ! make calls for heat fluxes before it is modified 113 ! pfrld is the lead fraction at the previous time step (actually between TRP and THD) 112 114 IF( iom_use('qsr_oce') ) CALL iom_put( "qsr_oce" , qsr_oce(:,:) * pfrld(:,:) ) ! solar flux at ocean surface 113 115 IF( iom_use('qns_oce') ) CALL iom_put( "qns_oce" , qns_oce(:,:) * pfrld(:,:) + qemp_oce(:,:) ) ! non-solar flux at ocean surface … … 118 120 IF( iom_use('qt_ice' ) ) CALL iom_put( "qt_ice" , SUM( ( qns_ice(:,:,:) + qsr_ice(:,:,:) ) & 119 121 & * a_i_b(:,:,:), dim=3 ) + qemp_ice(:,:) ) 120 IF( iom_use('qemp_oce' ) ) CALL iom_put( "qemp_oce" , qemp_oce(:,:) ) 121 IF( iom_use('qemp_ice' ) ) CALL iom_put( "qemp_ice" , qemp_ice(:,:) ) 122 123 ! pfrld is the lead fraction at the previous time step (actually between TRP and THD) 122 IF( iom_use('qemp_oce') ) CALL iom_put( "qemp_oce" , qemp_oce(:,:) ) 123 IF( iom_use('qemp_ice') ) CALL iom_put( "qemp_ice" , qemp_ice(:,:) ) 124 IF( iom_use('emp_oce' ) ) CALL iom_put( "emp_oce" , emp_oce(:,:) ) ! emp over ocean (taking into account the snow blown away from the ice) 125 IF( iom_use('emp_ice' ) ) CALL iom_put( "emp_ice" , emp_ice(:,:) ) ! emp over ice (taking into account the snow blown away from the ice) 126 127 ! albedo output 128 CALL wrk_alloc( jpi,jpj, zalb ) 129 130 zalb(:,:) = 0._wp 131 WHERE ( SUM( a_i_b, dim=3 ) <= epsi06 ) ; zalb(:,:) = 0.066_wp 132 ELSEWHERE ; zalb(:,:) = SUM( alb_ice * a_i_b, dim=3 ) / SUM( a_i_b, dim=3 ) 133 END WHERE 134 IF( iom_use('alb_ice' ) ) CALL iom_put( "alb_ice" , zalb(:,:) ) ! ice albedo output 135 136 zalb(:,:) = SUM( alb_ice * a_i_b, dim=3 ) + 0.066_wp * ( 1._wp - SUM( a_i_b, dim=3 ) ) 137 IF( iom_use('albedo' ) ) CALL iom_put( "albedo" , zalb(:,:) ) ! ice albedo output 138 139 CALL wrk_dealloc( jpi,jpj, zalb ) 140 ! 141 124 142 DO jj = 1, jpj 125 143 DO ji = 1, jpi … … 140 158 hfx_out(ji,jj) = hfx_out(ji,jj) + zqmass + zqsr 141 159 142 ! Add the residual from heat diffusion equation (W.m-2) 143 !------------------------------------------------------- 144 hfx_out(ji,jj) = hfx_out(ji,jj) + hfx_err_dif(ji,jj) 160 ! Add the residual from heat diffusion equation and sublimation (W.m-2) 161 !---------------------------------------------------------------------- 162 hfx_out(ji,jj) = hfx_out(ji,jj) + hfx_err_dif(ji,jj) + & 163 & ( hfx_sub(ji,jj) - SUM( qevap_ice(ji,jj,:) * a_i_b(ji,jj,:) ) ) 145 164 146 165 ! New qsr and qns used to compute the oceanic heat flux at the next time step 147 !--------------------------------------------------- 166 !---------------------------------------------------------------------------- 148 167 qsr(ji,jj) = zqsr 149 168 qns(ji,jj) = hfx_out(ji,jj) - zqsr … … 165 184 166 185 ! mass flux at the ocean/ice interface 167 fmmflx(ji,jj) = - ( wfx_ice(ji,jj) + wfx_snw(ji,jj) ) * r1_rdtice ! F/M mass flux save at least for biogeochemical model 168 emp(ji,jj) = emp_oce(ji,jj) - wfx_ice(ji,jj) - wfx_snw(ji,jj) ! mass flux + F/M mass flux (always ice/ocean mass exchange) 169 186 fmmflx(ji,jj) = - ( wfx_ice(ji,jj) + wfx_snw(ji,jj) + wfx_err_sub(ji,jj) ) ! F/M mass flux save at least for biogeochemical model 187 emp(ji,jj) = emp_oce(ji,jj) - wfx_ice(ji,jj) - wfx_snw(ji,jj) - wfx_err_sub(ji,jj) ! mass flux + F/M mass flux (always ice/ocean mass exchange) 170 188 END DO 171 189 END DO … … 175 193 !------------------------------------------! 176 194 sfx(:,:) = sfx_bog(:,:) + sfx_bom(:,:) + sfx_sum(:,:) + sfx_sni(:,:) + sfx_opw(:,:) & 177 & + sfx_res(:,:) + sfx_dyn(:,:) + sfx_bri(:,:) 195 & + sfx_res(:,:) + sfx_dyn(:,:) + sfx_bri(:,:) + sfx_sub(:,:) 178 196 179 197 !-------------------------------------------------------------! -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limthd.F90
r6836 r6839 461 461 462 462 DO ji = kideb, kiut 463 zdh_mel = MIN( 0._wp, dh_i_surf(ji) + dh_i_bott(ji) + dh_snowice(ji) )463 zdh_mel = MIN( 0._wp, dh_i_surf(ji) + dh_i_bott(ji) + dh_snowice(ji) + dh_i_sub(ji) ) 464 464 IF( zdh_mel < 0._wp .AND. a_i_1d(ji) > 0._wp ) THEN 465 465 zvi = a_i_1d(ji) * ht_i_1d(ji) … … 470 470 zda_mel = rswitch * a_i_1d(ji) * zdh_mel / ( 2._wp * MAX( zhi_bef, epsi20 ) ) 471 471 a_i_1d(ji) = MAX( epsi20, a_i_1d(ji) + zda_mel ) 472 472 ! adjust thickness 473 473 ht_i_1d(ji) = zvi / a_i_1d(ji) 474 474 ht_s_1d(ji) = zvs / a_i_1d(ji) … … 514 514 515 515 CALL tab_2d_1d( nbpb, qprec_ice_1d(1:nbpb), qprec_ice(:,:) , jpi, jpj, npb(1:nbpb) ) 516 CALL tab_2d_1d( nbpb, qevap_ice_1d(1:nbpb), qevap_ice(:,:,jl) , jpi, jpj, npb(1:nbpb) ) 516 517 CALL tab_2d_1d( nbpb, qsr_ice_1d (1:nbpb), qsr_ice(:,:,jl) , jpi, jpj, npb(1:nbpb) ) 517 518 CALL tab_2d_1d( nbpb, fr1_i0_1d (1:nbpb), fr1_i0 , jpi, jpj, npb(1:nbpb) ) … … 543 544 CALL tab_2d_1d( nbpb, sfx_bri_1d (1:nbpb), sfx_bri , jpi, jpj, npb(1:nbpb) ) 544 545 CALL tab_2d_1d( nbpb, sfx_res_1d (1:nbpb), sfx_res , jpi, jpj, npb(1:nbpb) ) 545 546 CALL tab_2d_1d( nbpb, sfx_sub_1d (1:nbpb), sfx_sub , jpi, jpj,npb(1:nbpb) ) 547 546 548 CALL tab_2d_1d( nbpb, hfx_thd_1d (1:nbpb), hfx_thd , jpi, jpj, npb(1:nbpb) ) 547 549 CALL tab_2d_1d( nbpb, hfx_spr_1d (1:nbpb), hfx_spr , jpi, jpj, npb(1:nbpb) ) … … 593 595 CALL tab_1d_2d( nbpb, sfx_res , npb, sfx_res_1d(1:nbpb) , jpi, jpj ) 594 596 CALL tab_1d_2d( nbpb, sfx_bri , npb, sfx_bri_1d(1:nbpb) , jpi, jpj ) 595 597 CALL tab_1d_2d( nbpb, sfx_sub , npb, sfx_sub_1d(1:nbpb) , jpi, jpj ) 598 596 599 CALL tab_1d_2d( nbpb, hfx_thd , npb, hfx_thd_1d(1:nbpb) , jpi, jpj ) 597 600 CALL tab_1d_2d( nbpb, hfx_spr , npb, hfx_spr_1d(1:nbpb) , jpi, jpj ) -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limthd_dh.F90
r6836 r6839 74 74 75 75 REAL(wp) :: ztmelts ! local scalar 76 REAL(wp) :: z fdum76 REAL(wp) :: zdum 77 77 REAL(wp) :: zfracs ! fractionation coefficient for bottom salt entrapment 78 78 REAL(wp) :: zs_snic ! snow-ice salinity … … 95 95 REAL(wp), POINTER, DIMENSION(:) :: zq_rema ! remaining heat at the end of the routine (J.m-2) 96 96 REAL(wp), POINTER, DIMENSION(:) :: zf_tt ! Heat budget to determine melting or freezing(W.m-2) 97 REAL(wp), POINTER, DIMENSION(:) :: zevap_rema ! remaining mass flux from sublimation (kg.m-2) 97 98 98 99 REAL(wp), POINTER, DIMENSION(:) :: zdh_s_mel ! snow melt … … 105 106 106 107 REAL(wp), POINTER, DIMENSION(:) :: zqh_i ! total ice heat content (J.m-2) 107 REAL(wp), POINTER, DIMENSION(:) :: zqh_s ! total snow heat content (J.m-2)108 REAL(wp), POINTER, DIMENSION(:) :: zq_s ! total snow enthalpy (J.m-3)109 108 REAL(wp), POINTER, DIMENSION(:) :: zsnw ! distribution of snow after wind blowing 110 109 … … 117 116 118 117 ! Discriminate between varying salinity (nn_icesal=2) and prescribed cases (other values) 119 SELECT CASE( nn_icesal ) 120 CASE( 1, 3 , 4) ; zswitch_sal = 0 ! prescribed salinity profile121 CASE( 2 ) 118 SELECT CASE( nn_icesal ) ! varying salinity or not 119 CASE( 1, 3 ) ; zswitch_sal = 0 ! prescribed salinity profile 120 CASE( 2 ) ; zswitch_sal = 1 ! varying salinity profile 122 121 END SELECT 123 122 124 CALL wrk_alloc( jpij, zqprec, zq_su, zq_bo, zf_tt, zq_rema, zsnw )125 CALL wrk_alloc( jpij, zdh_s_mel, zdh_s_pre, zdh_s_sub, zqh_i , zqh_s, zq_s)123 CALL wrk_alloc( jpij, zqprec, zq_su, zq_bo, zf_tt, zq_rema, zsnw, zevap_rema ) 124 CALL wrk_alloc( jpij, zdh_s_mel, zdh_s_pre, zdh_s_sub, zqh_i ) 126 125 CALL wrk_alloc( jpij, nlay_i, zdeltah, zh_i ) 127 126 CALL wrk_alloc( jpij, nlay_i, icount ) 128 127 129 dh_i_surf (:) = 0._wp ; dh_i_bott (:) = 0._wp ; dh_snowice(:) = 0._wp 128 dh_i_surf (:) = 0._wp ; dh_i_bott (:) = 0._wp ; dh_snowice(:) = 0._wp ; dh_i_sub(:) = 0._wp 130 129 dsm_i_se_1d(:) = 0._wp ; dsm_i_si_1d(:) = 0._wp 131 130 132 131 zqprec (:) = 0._wp ; zq_su (:) = 0._wp ; zq_bo (:) = 0._wp ; zf_tt(:) = 0._wp 133 zq_rema (:) = 0._wp ; zsnw (:) = 0._wp 132 zq_rema (:) = 0._wp ; zsnw (:) = 0._wp ; zevap_rema(:) = 0._wp ; 134 133 zdh_s_mel(:) = 0._wp ; zdh_s_pre(:) = 0._wp ; zdh_s_sub(:) = 0._wp ; zqh_i(:) = 0._wp 135 zqh_s (:) = 0._wp ; zq_s (:) = 0._wp136 134 137 135 zdeltah(:,:) = 0._wp ; zh_i(:,:) = 0._wp … … 159 157 ! 160 158 DO ji = kideb, kiut 161 z fdum= qns_ice_1d(ji) + ( 1._wp - i0(ji) ) * qsr_ice_1d(ji) - fc_su(ji)159 zdum = qns_ice_1d(ji) + ( 1._wp - i0(ji) ) * qsr_ice_1d(ji) - fc_su(ji) 162 160 zf_tt(ji) = fc_bo_i(ji) + fhtur_1d(ji) + fhld_1d(ji) 163 161 164 zq_su (ji) = MAX( 0._wp, z fdum* rdt_ice ) * MAX( 0._wp , SIGN( 1._wp, t_su_1d(ji) - rt0 ) )162 zq_su (ji) = MAX( 0._wp, zdum * rdt_ice ) * MAX( 0._wp , SIGN( 1._wp, t_su_1d(ji) - rt0 ) ) 165 163 zq_bo (ji) = MAX( 0._wp, zf_tt(ji) * rdt_ice ) 166 164 END DO … … 187 185 ! 2) Computing layer thicknesses and enthalpies. ! 188 186 !------------------------------------------------------------! 189 !190 DO jk = 1, nlay_s191 DO ji = kideb, kiut192 zqh_s(ji) = zqh_s(ji) + q_s_1d(ji,jk) * ht_s_1d(ji) * r1_nlay_s193 END DO194 END DO195 187 ! 196 188 DO jk = 1, nlay_i … … 275 267 END DO 276 268 277 !---------------------- 278 ! 3.2 S now sublimation279 !---------------------- 269 !------------------------------ 270 ! 3.2 Sublimation (part1: snow) 271 !------------------------------ 280 272 ! qla_ice is always >=0 (upwards), heat goes to the atmosphere, therefore snow sublimates 281 273 ! clem comment: not counted in mass/heat exchange in limsbc since this is an exchange with atm. (not ocean) 282 ! clem comment: ice should also sublimate283 274 zdeltah(:,:) = 0._wp 284 ! coupled mode: sublimation is set to 0 (evap_ice = 0) until further notice 285 ! forced mode: snow thickness change due to sublimation 286 DO ji = kideb, kiut 287 zdh_s_sub(ji) = MAX( - ht_s_1d(ji) , - evap_ice_1d(ji) * r1_rhosn * rdt_ice ) 288 ! Heat flux by sublimation [W.m-2], < 0 289 ! sublimate first snow that had fallen, then pre-existing snow 275 DO ji = kideb, kiut 276 zdh_s_sub(ji) = MAX( - ht_s_1d(ji) , - evap_ice_1d(ji) * r1_rhosn * rdt_ice ) 277 ! remaining evap in kg.m-2 (used for ice melting later on) 278 zevap_rema(ji) = evap_ice_1d(ji) * rdt_ice + zdh_s_sub(ji) * rhosn 279 ! Heat flux by sublimation [W.m-2], < 0 (sublimate first snow that had fallen, then pre-existing snow) 290 280 zdeltah(ji,1) = MAX( zdh_s_sub(ji), - zdh_s_pre(ji) ) 291 281 hfx_sub_1d(ji) = hfx_sub_1d(ji) + ( zdeltah(ji,1) * zqprec(ji) + ( zdh_s_sub(ji) - zdeltah(ji,1) ) * q_s_1d(ji,1) & … … 309 299 !------------------------------------------- 310 300 ! new temp and enthalpy of the snow (remaining snow precip + remaining pre-existing snow) 311 zq_s(:) = 0._wp312 301 DO jk = 1, nlay_s 313 302 DO ji = kideb,kiut 314 rswitch = MAX( 0._wp , SIGN( 1._wp, ht_s_1d(ji) - epsi20 ) ) 315 q_s_1d(ji,jk) = rswitch / MAX( ht_s_1d(ji), epsi20 ) * & 316 & ( ( zdh_s_pre(ji) ) * zqprec(ji) + & 317 & ( ht_s_1d(ji) - zdh_s_pre(ji) ) * rhosn * ( cpic * ( rt0 - t_s_1d(ji,jk) ) + lfus ) ) 318 zq_s(ji) = zq_s(ji) + q_s_1d(ji,jk) 303 rswitch = MAX( 0._wp , SIGN( 1._wp, ht_s_1d(ji) - epsi20 ) ) 304 q_s_1d(ji,jk) = rswitch / MAX( ht_s_1d(ji), epsi20 ) * & 305 & ( ( zdh_s_pre(ji) ) * zqprec(ji) + & 306 & ( ht_s_1d(ji) - zdh_s_pre(ji) ) * rhosn * ( cpic * ( rt0 - t_s_1d(ji,jk) ) + lfus ) ) 319 307 END DO 320 308 END DO … … 370 358 zQm = zfmdt * zEw ! Energy of the melt water sent to the ocean [J/m2, <0] 371 359 372 ! Contribution to salt flux (clem: using sm_i_1d and not s_i_1d(jk) is ok)360 ! Contribution to salt flux >0 (clem: using sm_i_1d and not s_i_1d(jk) is ok) 373 361 sfx_sum_1d(ji) = sfx_sum_1d(ji) - rhoic * a_i_1d(ji) * zdeltah(ji,jk) * sm_i_1d(ji) * r1_rdtice 374 362 … … 383 371 384 372 END IF 373 ! ---------------------- 374 ! Sublimation part2: ice 375 ! ---------------------- 376 zdum = MAX( - ( zh_i(ji,jk) + zdeltah(ji,jk) ) , - zevap_rema(ji) * r1_rhoic ) 377 zdeltah(ji,jk) = zdeltah(ji,jk) + zdum 378 dh_i_sub(ji) = dh_i_sub(ji) + zdum 379 ! Salt flux > 0 (clem2016: flux is sent to the ocean for simplicity but salt should remain in the ice except if all ice is melted. 380 ! It must be corrected at some point) 381 sfx_sub_1d(ji) = sfx_sub_1d(ji) - rhoic * a_i_1d(ji) * zdum * sm_i_1d(ji) * r1_rdtice 382 ! Heat flux [W.m-2], < 0 383 hfx_sub_1d(ji) = hfx_sub_1d(ji) + zdum * q_i_1d(ji,jk) * a_i_1d(ji) * r1_rdtice 384 ! Mass flux > 0 385 wfx_sub_1d(ji) = wfx_sub_1d(ji) - rhoic * a_i_1d(ji) * zdum * r1_rdtice 386 ! update remaining mass flux 387 zevap_rema(ji) = zevap_rema(ji) + zdum * rhoic 388 385 389 ! record which layers have disappeared (for bottom melting) 386 390 ! => icount=0 : no layer has vanished … … 389 393 icount(ji,jk) = NINT( rswitch ) 390 394 zh_i(ji,jk) = MAX( 0._wp , zh_i(ji,jk) + zdeltah(ji,jk) ) 391 395 392 396 ! update heat content (J.m-2) and layer thickness 393 397 qh_i_old(ji,jk) = qh_i_old(ji,jk) + zdeltah(ji,jk) * q_i_1d(ji,jk) … … 397 401 ! update ice thickness 398 402 DO ji = kideb, kiut 399 ht_i_1d(ji) = MAX( 0._wp , ht_i_1d(ji) + dh_i_surf(ji) ) 403 ht_i_1d(ji) = MAX( 0._wp , ht_i_1d(ji) + dh_i_surf(ji) + dh_i_sub(ji) ) 404 END DO 405 406 ! remaining "potential" evap is sent to ocean 407 DO ji = kideb, kiut 408 ii = MOD( npb(ji) - 1, jpi ) + 1 ; ij = ( npb(ji) - 1 ) / jpi + 1 409 wfx_err_sub(ii,ij) = wfx_err_sub(ii,ij) - zevap_rema(ji) * a_i_1d(ji) * r1_rdtice ! <=0 (net evap for the ocean in kg.m-2.s-1) 400 410 END DO 401 411 … … 641 651 642 652 ! Contribution to energy flux to the ocean [J/m2], >0 (if sst<0) 643 ii = MOD( npb(ji) - 1, jpi ) + 1 ; ij = ( npb(ji) - 1 ) / jpi + 1644 653 zfmdt = ( rhosn - rhoic ) * MAX( dh_snowice(ji), 0._wp ) ! <0 645 654 zsstK = sst_m(ii,ij) + rt0 … … 652 661 ! Contribution to salt flux 653 662 sfx_sni_1d(ji) = sfx_sni_1d(ji) + sss_m(ii,ij) * a_i_1d(ji) * zfmdt * r1_rdtice 663 664 ! virtual salt flux to keep salinity constant 665 IF( nn_icesal == 1 .OR. nn_icesal == 3 ) THEN 666 sfx_bri_1d(ji) = sfx_bri_1d(ji) - sss_m(ii,ij) * a_i_1d(ji) * zfmdt * r1_rdtice & ! put back sss_m into the ocean 667 & - sm_i_1d(ji) * a_i_1d(ji) * dh_snowice(ji) * rhoic * r1_rdtice ! and get sm_i from the ocean 668 ENDIF 654 669 655 670 ! Contribution to mass flux … … 686 701 WHERE( ht_i_1d == 0._wp ) a_i_1d = 0._wp 687 702 688 CALL wrk_dealloc( jpij, zqprec, zq_su, zq_bo, zf_tt, zq_rema, zsnw )689 CALL wrk_dealloc( jpij, zdh_s_mel, zdh_s_pre, zdh_s_sub, zqh_i , zqh_s, zq_s)703 CALL wrk_dealloc( jpij, zqprec, zq_su, zq_bo, zf_tt, zq_rema, zsnw, zevap_rema ) 704 CALL wrk_dealloc( jpij, zdh_s_mel, zdh_s_pre, zdh_s_sub, zqh_i ) 690 705 CALL wrk_dealloc( jpij, nlay_i, zdeltah, zh_i ) 691 706 CALL wrk_dealloc( jpij, nlay_i, icount ) -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limthd_lac.F90
r6836 r6839 75 75 INTEGER :: ii, ij, iter ! - - 76 76 REAL(wp) :: ztmelts, zdv, zfrazb, zweight, zde ! local scalars 77 REAL(wp) :: zgamafr, zvfrx, zvgx, ztaux, ztwogp, zf , zhicol_new! - -77 REAL(wp) :: zgamafr, zvfrx, zvgx, ztaux, ztwogp, zf ! - - 78 78 REAL(wp) :: ztenagm, zvfry, zvgy, ztauy, zvrel2, zfp, zsqcd , zhicrit ! - - 79 LOGICAL :: iterate_frazil ! iterate frazil ice collection thickness80 79 CHARACTER (len = 15) :: fieldid 81 80 … … 108 107 REAL(wp), POINTER, DIMENSION(:,:) :: zsmv_i_1d ! 1-D version of smv_i 109 108 110 REAL(wp), POINTER, DIMENSION(:,:,:) :: ze_i_1d 111 112 REAL(wp), POINTER, DIMENSION(:,:) :: zvrel 113 114 REAL(wp) :: zcai = 1.4e-3_wp 109 REAL(wp), POINTER, DIMENSION(:,:,:) :: ze_i_1d !: 1-D version of e_i 110 111 REAL(wp), POINTER, DIMENSION(:,:) :: zvrel ! relative ice / frazil velocity 112 113 REAL(wp) :: zcai = 1.4e-3_wp ! ice-air drag (clem: should be dependent on coupling/forcing used) 115 114 !!-----------------------------------------------------------------------! 116 115 … … 143 142 !------------------------------------------------------------------------------! 144 143 ! hicol is the thickness of new ice formed in open water 145 ! hicol can be either prescribed (frazswi = 0) 146 ! or computed (frazswi = 1) 144 ! hicol can be either prescribed (frazswi = 0) or computed (frazswi = 1) 147 145 ! Frazil ice forms in open water, is transported by wind 148 146 ! accumulates at the edge of the consolidated ice edge … … 155 153 zvrel(:,:) = 0._wp 156 154 157 ! Default new ice thickness 158 hicol(:,:) = rn_hnewice 155 ! Default new ice thickness 156 WHERE( qlead(:,:) < 0._wp ) ; hicol = rn_hnewice 157 ELSEWHERE ; hicol = 0._wp 158 END WHERE 159 159 160 160 IF( ln_frazil ) THEN … … 182 182 & + vtau_ice(ji ,jj ) * vmask(ji ,jj ,1) ) * 0.5_wp 183 183 ! Square root of wind stress 184 ztenagm = SQRT( SQRT( ztaux **2 + ztauy**2) )184 ztenagm = SQRT( SQRT( ztaux * ztaux + ztauy * ztauy ) ) 185 185 186 186 !--------------------- … … 205 205 zvrel2 = MAX( ( zvfrx - zvgx ) * ( zvfrx - zvgx ) & 206 206 & + ( zvfry - zvgy ) * ( zvfry - zvgy ) , 0.15 * 0.15 ) 207 zvrel(ji,jj) 207 zvrel(ji,jj) = SQRT( zvrel2 ) 208 208 209 209 !--------------------- 210 210 ! Iterative procedure 211 211 !--------------------- 212 hicol(ji,jj) = zhicrit + 0.1 213 hicol(ji,jj) = zhicrit + hicol(ji,jj) & 214 & / ( hicol(ji,jj) * hicol(ji,jj) - zhicrit * zhicrit ) * ztwogp * zvrel2 215 216 !!gm better coding: above: hicol(ji,jj) * hicol(ji,jj) = (zhicrit + 0.1)*(zhicrit + 0.1) 217 !!gm = zhicrit**2 + 0.2*zhicrit +0.01 218 !!gm therefore the 2 lines with hicol can be replaced by 1 line: 219 !!gm hicol(ji,jj) = zhicrit + (zhicrit + 0.1) / ( 0.2 * zhicrit + 0.01 ) * ztwogp * zvrel2 220 !!gm further more (zhicrit + 0.1)/(0.2 * zhicrit + 0.01 )*ztwogp can be computed one for all outside the DO loop 212 hicol(ji,jj) = zhicrit + ( zhicrit + 0.1 ) & 213 & / ( ( zhicrit + 0.1 ) * ( zhicrit + 0.1 ) - zhicrit * zhicrit ) * ztwogp * zvrel2 221 214 222 215 iter = 1 223 iterate_frazil = .true. 224 225 DO WHILE ( iter < 100 .AND. iterate_frazil ) 226 zf = ( hicol(ji,jj) - zhicrit ) * ( hicol(ji,jj)**2 - zhicrit**2 ) & 227 - hicol(ji,jj) * zhicrit * ztwogp * zvrel2 228 zfp = ( hicol(ji,jj) - zhicrit ) * ( 3.0*hicol(ji,jj) + zhicrit ) & 229 - zhicrit * ztwogp * zvrel2 230 zhicol_new = hicol(ji,jj) - zf/zfp 231 hicol(ji,jj) = zhicol_new 232 216 DO WHILE ( iter < 20 ) 217 zf = ( hicol(ji,jj) - zhicrit ) * ( hicol(ji,jj) * hicol(ji,jj) - zhicrit * zhicrit ) - & 218 & hicol(ji,jj) * zhicrit * ztwogp * zvrel2 219 zfp = ( hicol(ji,jj) - zhicrit ) * ( 3.0 * hicol(ji,jj) + zhicrit ) - zhicrit * ztwogp * zvrel2 220 221 hicol(ji,jj) = hicol(ji,jj) - zf/zfp 233 222 iter = iter + 1 234 235 END DO ! do while 223 END DO 236 224 237 225 ENDIF ! end of selection of pixels where ice forms 238 226 239 END DO ! loop on ji ends240 END DO ! loop on jj ends241 !242 CALL lbc_lnk( zvrel(:,:), 'T', 1. )243 CALL lbc_lnk( hicol(:,:), 'T', 1. )227 END DO 228 END DO 229 ! 230 CALL lbc_lnk( zvrel(:,:), 'T', 1. ) 231 CALL lbc_lnk( hicol(:,:), 'T', 1. ) 244 232 245 233 ENDIF ! End of computation of frazil ice collection thickness … … 282 270 ! Move from 2-D to 1-D vectors 283 271 !------------------------------ 284 ! If ocean gains heat do nothing 285 ! 0therwise compute new ice formation 272 ! If ocean gains heat do nothing. Otherwise compute new ice formation 286 273 287 274 IF ( nbpac > 0 ) THEN … … 297 284 END DO 298 285 299 CALL tab_2d_1d( nbpac, qlead_1d (1:nbpac) , qlead , jpi, jpj, npac(1:nbpac) ) 300 CALL tab_2d_1d( nbpac, t_bo_1d (1:nbpac) , t_bo , jpi, jpj, npac(1:nbpac) ) 301 CALL tab_2d_1d( nbpac, sfx_opw_1d(1:nbpac) , sfx_opw, jpi, jpj, npac(1:nbpac) ) 302 CALL tab_2d_1d( nbpac, wfx_opw_1d(1:nbpac) , wfx_opw, jpi, jpj, npac(1:nbpac) ) 303 CALL tab_2d_1d( nbpac, hicol_1d (1:nbpac) , hicol , jpi, jpj, npac(1:nbpac) ) 304 CALL tab_2d_1d( nbpac, zvrel_1d (1:nbpac) , zvrel , jpi, jpj, npac(1:nbpac) ) 305 306 CALL tab_2d_1d( nbpac, hfx_thd_1d(1:nbpac) , hfx_thd, jpi, jpj, npac(1:nbpac) ) 307 CALL tab_2d_1d( nbpac, hfx_opw_1d(1:nbpac) , hfx_opw, jpi, jpj, npac(1:nbpac) ) 286 CALL tab_2d_1d( nbpac, qlead_1d (1:nbpac) , qlead , jpi, jpj, npac(1:nbpac) ) 287 CALL tab_2d_1d( nbpac, t_bo_1d (1:nbpac) , t_bo , jpi, jpj, npac(1:nbpac) ) 288 CALL tab_2d_1d( nbpac, sfx_opw_1d(1:nbpac) , sfx_opw , jpi, jpj, npac(1:nbpac) ) 289 CALL tab_2d_1d( nbpac, wfx_opw_1d(1:nbpac) , wfx_opw , jpi, jpj, npac(1:nbpac) ) 290 CALL tab_2d_1d( nbpac, hicol_1d (1:nbpac) , hicol , jpi, jpj, npac(1:nbpac) ) 291 CALL tab_2d_1d( nbpac, zvrel_1d (1:nbpac) , zvrel , jpi, jpj, npac(1:nbpac) ) 292 293 CALL tab_2d_1d( nbpac, hfx_thd_1d(1:nbpac) , hfx_thd , jpi, jpj, npac(1:nbpac) ) 294 CALL tab_2d_1d( nbpac, hfx_opw_1d(1:nbpac) , hfx_opw , jpi, jpj, npac(1:nbpac) ) 295 CALL tab_2d_1d( nbpac, rn_amax_1d(1:nbpac) , rn_amax_2d, jpi, jpj, npac(1:nbpac) ) 308 296 309 297 !------------------------------------------------------------------------------! … … 316 304 zv_b(1:nbpac,:) = zv_i_1d(1:nbpac,:) 317 305 za_b(1:nbpac,:) = za_i_1d(1:nbpac,:) 306 318 307 !---------------------- 319 308 ! Thickness of new ice 320 309 !---------------------- 321 DO ji = 1, nbpac 322 zh_newice(ji) = rn_hnewice 323 END DO 324 IF( ln_frazil ) zh_newice(1:nbpac) = hicol_1d(1:nbpac) 310 zh_newice(1:nbpac) = hicol_1d(1:nbpac) 325 311 326 312 !---------------------- … … 384 370 ! salt flux 385 371 sfx_opw_1d(ji) = sfx_opw_1d(ji) - zv_newice(ji) * rhoic * zs_newice(ji) * r1_rdtice 386 372 END DO 373 374 zv_frazb(:) = 0._wp 375 IF( ln_frazil ) THEN 387 376 ! A fraction zfrazb of frazil ice is accreted at the ice bottom 388 rswitch = 1._wp - MAX( 0._wp, SIGN( 1._wp , - zat_i_1d(ji) ) ) 389 zfrazb = rswitch * ( TANH ( rn_Cfrazb * ( zvrel_1d(ji) - rn_vfrazb ) ) + 1.0 ) * 0.5 * rn_maxfrazb 390 zv_frazb(ji) = zfrazb * zv_newice(ji) 391 zv_newice(ji) = ( 1.0 - zfrazb ) * zv_newice(ji) 392 END DO 393 377 DO ji = 1, nbpac 378 rswitch = 1._wp - MAX( 0._wp, SIGN( 1._wp , - zat_i_1d(ji) ) ) 379 zfrazb = rswitch * ( TANH( rn_Cfrazb * ( zvrel_1d(ji) - rn_vfrazb ) ) + 1.0 ) * 0.5 * rn_maxfrazb 380 zv_frazb(ji) = zfrazb * zv_newice(ji) 381 zv_newice(ji) = ( 1.0 - zfrazb ) * zv_newice(ji) 382 END DO 383 END IF 384 394 385 !----------------- 395 386 ! Area of new ice … … 409 400 ! we keep the excessive volume in memory and attribute it later to bottom accretion 410 401 DO ji = 1, nbpac 411 IF ( za_newice(ji) > ( rn_amax - zat_i_1d(ji) ) ) THEN412 zda_res(ji) = za_newice(ji) - ( rn_amax - zat_i_1d(ji) )402 IF ( za_newice(ji) > ( rn_amax_1d(ji) - zat_i_1d(ji) ) ) THEN 403 zda_res(ji) = za_newice(ji) - ( rn_amax_1d(ji) - zat_i_1d(ji) ) 413 404 zdv_res(ji) = zda_res (ji) * zh_newice(ji) 414 405 za_newice(ji) = za_newice(ji) - zda_res (ji) … … 443 434 jl = jcat(ji) 444 435 rswitch = MAX( 0._wp, SIGN( 1._wp , zv_i_1d(ji,jl) - epsi20 ) ) 445 ze_i_1d(ji,jk,jl) = zswinew(ji) * ze_newice(ji) + 436 ze_i_1d(ji,jk,jl) = zswinew(ji) * ze_newice(ji) + & 446 437 & ( 1.0 - zswinew(ji) ) * ( ze_newice(ji) * zv_newice(ji) + ze_i_1d(ji,jk,jl) * zv_b(ji,jl) ) & 447 438 & * rswitch / MAX( zv_i_1d(ji,jl), epsi20 ) -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limthd_sal.F90
r6836 r6839 62 62 END DO 63 63 64 !------------------------------------------------------------------------------| 65 ! 1) Constant salinity, constant in time | 66 !------------------------------------------------------------------------------| 67 !!gm comment: if nn_icesal = 1 s_i_new, s_i_1d and sm_i_1d can be set to rn_icesal one for all in the initialisation phase !! 68 !!gm ===>>> simplification of almost all test on nn_icesal value 69 IF( nn_icesal == 1 ) THEN 70 s_i_1d (kideb:kiut,1:nlay_i) = rn_icesal 71 sm_i_1d(kideb:kiut) = rn_icesal 72 s_i_new(kideb:kiut) = rn_icesal 73 ENDIF 64 !--------------------------------------------------------------------| 65 ! 1) salinity constant in time | 66 !--------------------------------------------------------------------| 67 ! do nothing 74 68 75 !---------------------------------------------------------------------- --------|76 ! Module 2 : Constant salinity varying in time|77 !---------------------------------------------------------------------- --------|69 !----------------------------------------------------------------------| 70 ! 2) salinity varying in time | 71 !----------------------------------------------------------------------| 78 72 IF( nn_icesal == 2 ) THEN 79 73 … … 113 107 114 108 !------------------------------------------------------------------------------| 115 ! Module 3 : Profile of salinity, constant in time|109 ! 3) vertical profile of salinity, constant in time | 116 110 !------------------------------------------------------------------------------| 117 111 IF( nn_icesal == 3 ) CALL lim_var_salprof1d( kideb, kiut ) -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limtrp.F90
r6836 r6839 63 63 INTEGER, INTENT(in) :: kt ! number of iteration 64 64 ! 65 INTEGER :: ji, jj, jk, j l, jt ! dummy loop indices65 INTEGER :: ji, jj, jk, jm , jl, jt ! dummy loop indices 66 66 INTEGER :: initad ! number of sub-timestep for the advection 67 67 REAL(wp) :: zcfl , zusnit ! - - … … 75 75 REAL(wp), POINTER, DIMENSION(:,:,:) :: zhimax ! old ice thickness 76 76 REAL(wp), POINTER, DIMENSION(:,:) :: zatold, zeiold, zesold ! old concentration, enthalpies 77 REAL(wp), POINTER, DIMENSION(:,:,:) :: zhdfptab 77 78 REAL(wp) :: zdv, zvi, zvs, zsmv, zes, zei 78 79 REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b 80 !!--------------------------------------------------------------------- 81 INTEGER :: ihdf_vars = 6 !!Number of variables in which we apply horizontal diffusion 82 !! inside limtrp for each ice category , not counting the 83 !! variables corresponding to ice_layers 79 84 !!--------------------------------------------------------------------- 80 85 IF( nn_timing == 1 ) CALL timing_start('limtrp') … … 85 90 CALL wrk_alloc( jpi,jpj,nlay_i,jpl, z0ei ) 86 91 CALL wrk_alloc( jpi,jpj,jpl, zhimax, zviold, zvsold, zsmvold ) 92 CALL wrk_alloc( jpi,jpj,jpl*(ihdf_vars + nlay_i)+1,zhdfptab) 87 93 88 94 IF( numit == nstart .AND. lwp ) THEN … … 170 176 z0oi (:,:,jl) = oa_i (:,:,jl) * e12t(:,:) ! Age content 171 177 z0es (:,:,jl) = e_s (:,:,1,jl) * e12t(:,:) ! Snow heat content 172 178 DO jk = 1, nlay_i 173 179 z0ei (:,:,jk,jl) = e_i (:,:,jk,jl) * e12t(:,:) ! Ice heat content 174 180 END DO … … 284 290 ! Diffusion of Ice fields 285 291 !------------------------------------------------------------------------------! 286 292 !------------------------------------ 293 ! Diffusion of other ice variables 294 !------------------------------------ 295 jm=1 296 DO jl = 1, jpl 297 ! ! Masked eddy diffusivity coefficient at ocean U- and V-points 298 ! DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row 299 ! DO ji = 1 , fs_jpim1 ! vector opt. 300 ! pahu(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji ,jj,jl) ) ) ) & 301 ! & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) 302 ! pahv(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji,jj ,jl) ) ) ) & 303 ! & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- a_i(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) 304 ! END DO 305 ! END DO 306 DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row 307 DO ji = 1 , fs_jpim1 ! vector opt. 308 pahu3D(ji,jj,jl) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji ,jj, jl ) ) ) ) & 309 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji+1,jj, jl ) ) ) ) * ahiu(ji,jj) 310 pahv3D(ji,jj,jl) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji, jj, jl ) ) ) ) & 311 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- a_i(ji, jj+1,jl ) ) ) ) * ahiv(ji,jj) 312 END DO 313 END DO 314 315 zhdfptab(:,:,jm)= a_i (:,:, jl); jm = jm + 1 316 zhdfptab(:,:,jm)= v_i (:,:, jl); jm = jm + 1 317 zhdfptab(:,:,jm)= v_s (:,:, jl); jm = jm + 1 318 zhdfptab(:,:,jm)= smv_i(:,:, jl); jm = jm + 1 319 zhdfptab(:,:,jm)= oa_i (:,:, jl); jm = jm + 1 320 zhdfptab(:,:,jm)= e_s (:,:,1,jl); jm = jm + 1 321 ! Sample of adding more variables to apply lim_hdf using lim_hdf optimization--- 322 ! zhdfptab(:,:,jm) = variable_1 (:,:,1,jl); jm = jm + 1 323 ! zhdfptab(:,:,jm) = variable_2 (:,:,1,jl); jm = jm + 1 324 ! 325 ! and in this example the parameter ihdf_vars musb be changed to 8 (necessary for allocation) 326 !---------------------------------------------------------------------------------------- 327 DO jk = 1, nlay_i 328 zhdfptab(:,:,jm)=e_i(:,:,jk,jl); jm= jm+1 329 END DO 330 END DO 287 331 ! 288 332 !-------------------------------- … … 290 334 !-------------------------------- 291 335 ! ! Masked eddy diffusivity coefficient at ocean U- and V-points 336 !DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row 337 ! DO ji = 1 , fs_jpim1 ! vector opt. 338 ! pahu(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji ,jj) ) ) ) & 339 ! & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji+1,jj) ) ) ) * ahiu(ji,jj) 340 ! pahv(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji,jj ) ) ) ) & 341 ! & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- at_i(ji,jj+1) ) ) ) * ahiv(ji,jj) 342 ! END DO 343 !END DO 344 292 345 DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row 293 346 DO ji = 1 , fs_jpim1 ! vector opt. 294 pahu (ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji ,jj) ) ) ) &295 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji+1,jj) ) ) ) * ahiu(ji,jj)296 pahv (ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji,jj ) ) ) ) &297 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- at_i(ji,jj+1) ) ) ) * ahiv(ji,jj)347 pahu3D(ji,jj,jpl+1) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji ,jj) ) ) ) & 348 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji+1,jj) ) ) ) * ahiu(ji,jj) 349 pahv3D(ji,jj,jpl+1) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -at_i(ji,jj ) ) ) ) & 350 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- at_i(ji,jj+1) ) ) ) * ahiv(ji,jj) 298 351 END DO 299 352 END DO 300 353 ! 301 CALL lim_hdf( ato_i (:,:) ) 302 303 !------------------------------------ 304 ! Diffusion of other ice variables 305 !------------------------------------ 306 DO jl = 1, jpl 307 ! ! Masked eddy diffusivity coefficient at ocean U- and V-points 308 DO jj = 1, jpjm1 ! NB: has not to be defined on jpj line and jpi row 309 DO ji = 1 , fs_jpim1 ! vector opt. 310 pahu(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji ,jj,jl) ) ) ) & 311 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji+1,jj,jl) ) ) ) * ahiu(ji,jj) 312 pahv(ji,jj) = ( 1._wp - MAX( 0._wp, SIGN( 1._wp, -a_i(ji,jj ,jl) ) ) ) & 313 & * ( 1._wp - MAX( 0._wp, SIGN( 1._wp,- a_i(ji,jj+1,jl) ) ) ) * ahiv(ji,jj) 314 END DO 315 END DO 316 317 CALL lim_hdf( v_i (:,:, jl) ) 318 CALL lim_hdf( v_s (:,:, jl) ) 319 CALL lim_hdf( smv_i(:,:, jl) ) 320 CALL lim_hdf( oa_i (:,:, jl) ) 321 CALL lim_hdf( a_i (:,:, jl) ) 322 CALL lim_hdf( e_s (:,:,1,jl) ) 354 zhdfptab(:,:,jm)= ato_i (:,:); 355 CALL lim_hdf( zhdfptab, ihdf_vars, jpl, nlay_i) 356 357 jm=1 358 DO jl = 1, jpl 359 a_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 360 v_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 361 v_s (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 362 smv_i(:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 363 oa_i (:,:, jl) = zhdfptab(:,:,jm); jm = jm + 1 364 e_s (:,:,1,jl) = zhdfptab(:,:,jm); jm = jm + 1 365 ! Sample of adding more variables to apply lim_hdf--------- 366 ! variable_1 (:,:,1,jl) = zhdfptab(:,:, jm ) ; jm + 1 367 ! variable_2 (:,:,1,jl) = zhdfptab(:,:, jm ) ; jm + 1 368 !----------------------------------------------------------- 323 369 DO jk = 1, nlay_i 324 CALL lim_hdf( e_i(:,:,jk,jl) ) 325 END DO 326 END DO 370 e_i(:,:,jk,jl) = zhdfptab(:,:,jm);jm= jm + 1 371 END DO 372 END DO 373 374 ato_i (:,:) = zhdfptab(:,:,jm) 327 375 328 376 !------------------------------------------------------------------------------! … … 422 470 DO jj = 1, jpj 423 471 DO ji = 1, jpi 424 a_i(ji,jj,1) = MIN( a_i(ji,jj,1), rn_amax )472 a_i(ji,jj,1) = MIN( a_i(ji,jj,1), rn_amax_2d(ji,jj) ) 425 473 END DO 426 474 END DO … … 464 512 CALL wrk_dealloc( jpi,jpj,nlay_i,jpl, z0ei ) 465 513 CALL wrk_dealloc( jpi,jpj,jpl, zviold, zvsold, zhimax, zsmvold ) 514 CALL wrk_dealloc( jpi,jpj,jpl*(ihdf_vars+nlay_i)+1,zhdfptab) 466 515 ! 467 516 IF( nn_timing == 1 ) CALL timing_stop('limtrp') … … 479 528 !!====================================================================== 480 529 END MODULE limtrp 530 -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limupdate1.F90
r6836 r6839 80 80 DO jj = 1, jpj 81 81 DO ji = 1, jpi 82 IF( at_i(ji,jj) > rn_amax .AND. a_i(ji,jj,jl) > 0._wp ) THEN83 a_i (ji,jj,jl) = a_i (ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) )84 oa_i(ji,jj,jl) = oa_i(ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) )82 IF( at_i(ji,jj) > rn_amax_2d(ji,jj) .AND. a_i(ji,jj,jl) > 0._wp ) THEN 83 a_i (ji,jj,jl) = a_i (ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax_2d(ji,jj) / at_i(ji,jj) ) ) 84 oa_i(ji,jj,jl) = oa_i(ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax_2d(ji,jj) / at_i(ji,jj) ) ) 85 85 ENDIF 86 86 END DO -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limupdate2.F90
r6836 r6839 94 94 DO jj = 1, jpj 95 95 DO ji = 1, jpi 96 IF( at_i(ji,jj) > rn_amax .AND. a_i(ji,jj,jl) > 0._wp ) THEN97 a_i (ji,jj,jl) = a_i (ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) )98 oa_i(ji,jj,jl) = oa_i(ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) )96 IF( at_i(ji,jj) > rn_amax_2d(ji,jj) .AND. a_i(ji,jj,jl) > 0._wp ) THEN 97 a_i (ji,jj,jl) = a_i (ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax_2d(ji,jj) / at_i(ji,jj) ) ) 98 oa_i(ji,jj,jl) = oa_i(ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax_2d(ji,jj) / at_i(ji,jj) ) ) 99 99 ENDIF 100 100 END DO -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limvar.F90
r6836 r6839 163 163 rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) !0 if no ice and 1 if yes 164 164 ht_i(ji,jj,jl) = v_i (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch 165 END DO 166 END DO 167 END DO 168 ! Force the upper limit of ht_i to always be < hi_max (99 m). 169 DO jj = 1, jpj 170 DO ji = 1, jpi 171 rswitch = MAX( 0._wp , SIGN( 1._wp, ht_i(ji,jj,jpl) - epsi20 ) ) 172 ht_i(ji,jj,jpl) = MIN( ht_i(ji,jj,jpl) , hi_max(jpl) ) 173 a_i (ji,jj,jpl) = v_i(ji,jj,jpl) / MAX( ht_i(ji,jj,jpl) , epsi20 ) * rswitch 174 END DO 175 END DO 176 177 DO jl = 1, jpl 178 DO jj = 1, jpj 179 DO ji = 1, jpi 180 rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,jl) - epsi20 ) ) !0 if no ice and 1 if yes 165 181 ht_s(ji,jj,jl) = v_s (ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch 166 182 o_i(ji,jj,jl) = oa_i(ji,jj,jl) / MAX( a_i(ji,jj,jl) , epsi20 ) * rswitch … … 168 184 END DO 169 185 END DO 170 186 171 187 IF( nn_icesal == 2 )THEN 172 188 DO jl = 1, jpl … … 298 314 ! Vertically constant, constant in time 299 315 !--------------------------------------- 300 IF( nn_icesal == 1 ) s_i(:,:,:,:) = rn_icesal 316 IF( nn_icesal == 1 ) THEN 317 s_i (:,:,:,:) = rn_icesal 318 sm_i(:,:,:) = rn_icesal 319 ENDIF 301 320 302 321 !----------------------------------- -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/limwri.F90
r6836 r6839 157 157 ENDIF 158 158 159 IF ( iom_use( "icecolf" ) ) THEN 160 DO jj = 1, jpj 161 DO ji = 1, jpi 162 rswitch = MAX( 0._wp , SIGN( 1._wp , at_i(ji,jj) ) ) 163 z2d(ji,jj) = hicol(ji,jj) * rswitch 164 END DO 165 END DO 166 CALL iom_put( "icecolf" , z2d ) ! frazil ice collection thickness 167 ENDIF 159 IF ( iom_use( "icecolf" ) ) CALL iom_put( "icecolf", hicol ) ! frazil ice collection thickness 168 160 169 161 CALL iom_put( "isst" , sst_m ) ! sea surface temperature … … 190 182 CALL iom_put( "destrp" , diag_trp_es ) ! advected snw enthalpy (W/m2) 191 183 192 CALL iom_put( "sfxbog" , sfx_bog * rday ) ! salt flux from b rines193 CALL iom_put( "sfxbom" , sfx_bom * rday ) ! salt flux from b rines194 CALL iom_put( "sfxsum" , sfx_sum * rday ) ! salt flux from brines195 CALL iom_put( "sfxsni" , sfx_sni * rday ) ! salt flux from brines196 CALL iom_put( "sfxopw" , sfx_opw * rday ) ! salt flux from brines184 CALL iom_put( "sfxbog" , sfx_bog * rday ) ! salt flux from bottom growth 185 CALL iom_put( "sfxbom" , sfx_bom * rday ) ! salt flux from bottom melt 186 CALL iom_put( "sfxsum" , sfx_sum * rday ) ! salt flux from surface melt 187 CALL iom_put( "sfxsni" , sfx_sni * rday ) ! salt flux from snow ice formation 188 CALL iom_put( "sfxopw" , sfx_opw * rday ) ! salt flux from open water formation 197 189 CALL iom_put( "sfxdyn" , sfx_dyn * rday ) ! salt flux from ridging rafting 198 CALL iom_put( "sfxres" , sfx_res * rday ) ! salt flux from limupdate (resultant)190 CALL iom_put( "sfxres" , sfx_res * rday ) ! salt flux from residual 199 191 CALL iom_put( "sfxbri" , sfx_bri * rday ) ! salt flux from brines 192 CALL iom_put( "sfxsub" , sfx_sub * rday ) ! salt flux from sublimation 200 193 CALL iom_put( "sfx" , sfx * rday ) ! total salt flux 201 194 … … 235 228 CALL iom_put ('hfxdhc' , diag_heat(:,:) ) ! Heat content variation in snow and ice 236 229 CALL iom_put ('hfxspr' , hfx_spr(:,:) ) ! Heat content of snow precip 230 231 232 IF ( iom_use( "vfxthin" ) ) THEN ! ice production for open water + thin ice (<20cm) => comparable to observations 233 DO jj = 1, jpj 234 DO ji = 1, jpi 235 z2d(ji,jj) = vt_i(ji,jj) / MAX( at_i(ji,jj), epsi06 ) * zswi(ji,jj) ! mean ice thickness 236 END DO 237 END DO 238 WHERE( z2d(:,:) < 0.2 .AND. z2d(:,:) > 0. ) ; z2da = wfx_bog 239 ELSEWHERE ; z2da = 0._wp 240 END WHERE 241 CALL iom_put( "vfxthin", ( wfx_opw + z2da ) * ztmp ) 242 ENDIF 237 243 238 244 !-------------------------------- … … 311 317 !! 312 318 !! History : 313 !! 4. 1! 2013-06 (C. Rousset)319 !! 4.0 ! 2013-06 (C. Rousset) 314 320 !!---------------------------------------------------------------------- 315 321 INTEGER, INTENT( in ) :: kt ! ocean time-step index) -
branches/UKMO/dev_r5518_convadj/NEMOGCM/NEMO/LIM_SRC_3/thd_ice.F90
r6836 r6839 45 45 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: qns_ice_1d 46 46 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: t_bo_1d 47 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: rn_amax_1d 47 48 48 49 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: hfx_sum_1d … … 83 84 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sfx_res_1d 84 85 86 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sfx_sub_1d 87 85 88 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: sprecip_1d !: <==> the 2D sprecip 86 89 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: frld_1d !: <==> the 2D frld … … 91 94 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: evap_ice_1d !: <==> the 2D evap_ice 92 95 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: qprec_ice_1d !: <==> the 2D qprec_ice 96 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: qevap_ice_1d !: <==> the 3D qevap_ice 93 97 ! ! to reintegrate longwave flux inside the ice thermodynamics 94 98 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: i0 !: fraction of radiation transmitted to the ice … … 107 111 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: dh_s_tot !: Snow accretion/ablation [m] 108 112 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: dh_i_surf !: Ice surface accretion/ablation [m] 113 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: dh_i_sub !: Ice surface sublimation [m] 109 114 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: dh_i_bott !: Ice bottom accretion/ablation [m] 110 115 REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: dh_snowice !: Snow ice formation [m of ice] … … 144 149 & hfx_sum_1d(jpij) , hfx_bom_1d(jpij) ,hfx_bog_1d(jpij) , & 145 150 & hfx_dif_1d(jpij) , hfx_opw_1d(jpij) , & 151 & rn_amax_1d(jpij) , & 146 152 & hfx_thd_1d(jpij) , hfx_spr_1d(jpij) , & 147 153 & hfx_snw_1d(jpij) , hfx_sub_1d(jpij) , hfx_err_1d(jpij) , & … … 153 159 & wfx_sum_1d(jpij) , wfx_sni_1d (jpij) , wfx_opw_1d (jpij) , wfx_res_1d(jpij) , & 154 160 & dqns_ice_1d(jpij) , evap_ice_1d (jpij), & 155 & qprec_ice_1d(jpij), i0 (jpij) ,&161 & qprec_ice_1d(jpij), qevap_ice_1d(jpij), i0 (jpij) , & 156 162 & sfx_bri_1d (jpij) , sfx_bog_1d (jpij) , sfx_bom_1d (jpij) , sfx_sum_1d (jpij), & 157 & sfx_sni_1d (jpij) , sfx_opw_1d (jpij) , sfx_res_1d (jpij) , 163 & sfx_sni_1d (jpij) , sfx_opw_1d (jpij) , sfx_res_1d (jpij) , sfx_sub_1d (jpij), & 158 164 & dsm_i_fl_1d(jpij) , dsm_i_gd_1d(jpij) , dsm_i_se_1d(jpij) , & 159 165 & dsm_i_si_1d(jpij) , hicol_1d (jpij) , STAT=ierr(2) ) … … 161 167 ALLOCATE( t_su_1d (jpij) , a_i_1d (jpij) , ht_i_1d (jpij) , & 162 168 & ht_s_1d (jpij) , fc_su (jpij) , fc_bo_i (jpij) , & 163 & dh_s_tot (jpij) , dh_i_surf(jpij) , dh_i_ bott(jpij) , &164 & dh_ snowice(jpij) , sm_i_1d (jpij) , s_i_new (jpij) , &169 & dh_s_tot (jpij) , dh_i_surf(jpij) , dh_i_sub (jpij) , & 170 & dh_i_bott (jpij) ,dh_snowice(jpij) , sm_i_1d (jpij) , s_i_new (jpij) , & 165 171 & t_s_1d(jpij,nlay_s) , t_i_1d(jpij,nlay_i) , s_i_1d(jpij,nlay_i) , & 166 172 & q_i_1d(jpij,nlay_i+1) , q_s_1d(jpij,nlay_s) , &
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