- Timestamp:
- 2020-09-15T09:27:47+02:00 (4 years ago)
- File:
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- 1 edited
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NEMO/branches/2020/temporary_r4_trunk/src/ICE/iceistate.F90
r12735 r13466 41 41 ! !! ** namelist (namini) ** 42 42 LOGICAL, PUBLIC :: ln_iceini !: Ice initialization or not 43 LOGICAL, PUBLIC :: ln_iceini_file !: Ice initialization from 2D netcdf file 43 INTEGER, PUBLIC :: nn_iceini_file !: Ice initialization: 44 ! 0 = Initialise sea ice based on SSTs 45 ! 1 = Initialise sea ice from single category netcdf file 46 ! 2 = Initialise sea ice from multi category restart file 44 47 REAL(wp) :: rn_thres_sst 45 48 REAL(wp) :: rn_hti_ini_n, rn_hts_ini_n, rn_ati_ini_n, rn_smi_ini_n, rn_tmi_ini_n, rn_tsu_ini_n, rn_tms_ini_n 46 49 REAL(wp) :: rn_hti_ini_s, rn_hts_ini_s, rn_ati_ini_s, rn_smi_ini_s, rn_tmi_ini_s, rn_tsu_ini_s, rn_tms_ini_s 47 REAL(wp) :: rn_apd_ini_n, rn_hpd_ini_n 48 REAL(wp) :: rn_apd_ini_s, rn_hpd_ini_s 50 REAL(wp) :: rn_apd_ini_n, rn_hpd_ini_n, rn_hld_ini_n 51 REAL(wp) :: rn_apd_ini_s, rn_hpd_ini_s, rn_hld_ini_s 49 52 ! 50 ! ! if ln_iceini_file = T51 INTEGER , PARAMETER :: jpfldi = 9! maximum number of files to read53 ! ! if nn_iceini_file = 1 54 INTEGER , PARAMETER :: jpfldi = 10 ! maximum number of files to read 52 55 INTEGER , PARAMETER :: jp_hti = 1 ! index of ice thickness (m) 53 56 INTEGER , PARAMETER :: jp_hts = 2 ! index of snw thickness (m) … … 59 62 INTEGER , PARAMETER :: jp_apd = 8 ! index of pnd fraction (-) 60 63 INTEGER , PARAMETER :: jp_hpd = 9 ! index of pnd depth (m) 64 INTEGER , PARAMETER :: jp_hld = 10 ! index of pnd lid depth (m) 61 65 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: si ! structure of input fields (file informations, fields read) 62 66 ! … … 81 85 !! ** Steps : 1) Set initial surface and basal temperatures 82 86 !! 2) Recompute or read sea ice state variables 83 !! 3) Fill in the ice thickness distribution using gaussian 84 !! 4) Fill in space-dependent arrays for state variables 85 !! 5) snow-ice mass computation 86 !! 6) store before fields 87 !! 3) Fill in space-dependent arrays for state variables 88 !! 4) snow-ice mass computation 87 89 !! 88 90 !! ** Notes : o_i, t_su, t_s, t_i, sz_i must be filled everywhere, even … … 98 100 REAL(wp), DIMENSION(jpi,jpj) :: zht_i_ini, zat_i_ini, ztm_s_ini !data from namelist or nc file 99 101 REAL(wp), DIMENSION(jpi,jpj) :: zt_su_ini, zht_s_ini, zsm_i_ini, ztm_i_ini !data from namelist or nc file 100 REAL(wp), DIMENSION(jpi,jpj) :: zapnd_ini, zhpnd_ini 102 REAL(wp), DIMENSION(jpi,jpj) :: zapnd_ini, zhpnd_ini, zhlid_ini !data from namelist or nc file 101 103 REAL(wp), DIMENSION(jpi,jpj,jpl) :: zti_3d , zts_3d !temporary arrays 102 104 !! 103 REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zhi_2d, zhs_2d, zai_2d, zti_2d, zts_2d, ztsu_2d, zsi_2d, zaip_2d, zhip_2d 105 REAL(wp), DIMENSION(:,:), ALLOCATABLE :: zhi_2d, zhs_2d, zai_2d, zti_2d, zts_2d, ztsu_2d, zsi_2d, zaip_2d, zhip_2d, zhil_2d 104 106 !-------------------------------------------------------------------- 105 107 … … 155 157 a_ip (:,:,:) = 0._wp 156 158 v_ip (:,:,:) = 0._wp 157 a_ip_frac(:,:,:) = 0._wp 159 v_il (:,:,:) = 0._wp 160 a_ip_eff (:,:,:) = 0._wp 158 161 h_ip (:,:,:) = 0._wp 162 h_il (:,:,:) = 0._wp 159 163 ! 160 164 ! ice velocities … … 167 171 IF( ln_iceini ) THEN 168 172 ! !---------------! 169 IF( ln_iceini_file )THEN! Read a file !173 IF( nn_iceini_file == 1 )THEN ! Read a file ! 170 174 ! !---------------! 171 175 WHERE( ff_t(:,:) >= 0._wp ) ; zswitch(:,:) = 1._wp … … 193 197 si(jp_tsu)%fnow(:,:,1) = ( rn_tsu_ini_n * zswitch + rn_tsu_ini_s * (1._wp - zswitch) ) * tmask(:,:,1) 194 198 si(jp_tms)%fnow(:,:,1) = ( rn_tms_ini_n * zswitch + rn_tms_ini_s * (1._wp - zswitch) ) * tmask(:,:,1) 195 ELSEIF( TRIM(si(jp_tmi)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tms)%clrootname) /= 'NOT USED' ) THEN ! if T_s is read and not T_i, set T_i = (T_s + T_freeze)/2196 si(jp_tmi)%fnow(:,:,1) = 0.5_wp * ( si(jp_tms)%fnow(:,:,1) + 271.15 )197 ELSEIF( TRIM(si(jp_tmi)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tsu)%clrootname) /= 'NOT USED' ) THEN ! if T_su is read and not T_i, set T_i = (T_su + T_freeze)/2198 si(jp_tmi)%fnow(:,:,1) = 0.5_wp * ( si(jp_tsu)%fnow(:,:,1) + 271.15 )199 ELSEIF( TRIM(si(jp_tsu)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tms)%clrootname) /= 'NOT USED' ) THEN ! if T_s is read and not T_su, set T_su = T_s200 si(jp_tsu)%fnow(:,:,1) = si(jp_tms)%fnow(:,:,1)201 ELSEIF( TRIM(si(jp_tsu)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tmi)%clrootname) /= 'NOT USED' ) THEN ! if T_i is read and not T_su, set T_su = T_i202 si(jp_tsu)%fnow(:,:,1) = si(jp_tmi)%fnow(:,:,1)203 ELSEIF( TRIM(si(jp_tms)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tsu)%clrootname) /= 'NOT USED' ) THEN ! if T_su is read and not T_s, set T_s = T_su204 si(jp_tms)%fnow(:,:,1) = si(jp_tsu)%fnow(:,:,1)205 ELSEIF( TRIM(si(jp_tms)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tmi)%clrootname) /= 'NOT USED' ) THEN ! if T_i is read and not T_s, set T_s = T_i206 si(jp_tms)%fnow(:,:,1) = si(jp_tmi)%fnow(:,:,1)207 199 ENDIF 200 IF( TRIM(si(jp_tmi)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tms)%clrootname) /= 'NOT USED' ) & ! if T_s is read and not T_i, set T_i = (T_s + T_freeze)/2 201 & si(jp_tmi)%fnow(:,:,1) = 0.5_wp * ( si(jp_tms)%fnow(:,:,1) + 271.15 ) 202 IF( TRIM(si(jp_tmi)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tsu)%clrootname) /= 'NOT USED' ) & ! if T_su is read and not T_i, set T_i = (T_su + T_freeze)/2 203 & si(jp_tmi)%fnow(:,:,1) = 0.5_wp * ( si(jp_tsu)%fnow(:,:,1) + 271.15 ) 204 IF( TRIM(si(jp_tsu)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tms)%clrootname) /= 'NOT USED' ) & ! if T_s is read and not T_su, set T_su = T_s 205 & si(jp_tsu)%fnow(:,:,1) = si(jp_tms)%fnow(:,:,1) 206 IF( TRIM(si(jp_tsu)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tmi)%clrootname) /= 'NOT USED' ) & ! if T_i is read and not T_su, set T_su = T_i 207 & si(jp_tsu)%fnow(:,:,1) = si(jp_tmi)%fnow(:,:,1) 208 IF( TRIM(si(jp_tms)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tsu)%clrootname) /= 'NOT USED' ) & ! if T_su is read and not T_s, set T_s = T_su 209 & si(jp_tms)%fnow(:,:,1) = si(jp_tsu)%fnow(:,:,1) 210 IF( TRIM(si(jp_tms)%clrootname) == 'NOT USED' .AND. TRIM(si(jp_tmi)%clrootname) /= 'NOT USED' ) & ! if T_i is read and not T_s, set T_s = T_i 211 & si(jp_tms)%fnow(:,:,1) = si(jp_tmi)%fnow(:,:,1) 208 212 ! 209 213 ! pond concentration … … 215 219 IF( TRIM(si(jp_hpd)%clrootname) == 'NOT USED' ) & 216 220 & si(jp_hpd)%fnow(:,:,1) = ( rn_hpd_ini_n * zswitch + rn_hpd_ini_s * (1._wp - zswitch) ) * tmask(:,:,1) 221 ! 222 ! pond lid depth 223 IF( TRIM(si(jp_hld)%clrootname) == 'NOT USED' ) & 224 & si(jp_hld)%fnow(:,:,1) = ( rn_hld_ini_n * zswitch + rn_hld_ini_s * (1._wp - zswitch) ) * tmask(:,:,1) 217 225 ! 218 226 zsm_i_ini(:,:) = si(jp_smi)%fnow(:,:,1) * tmask(:,:,1) … … 222 230 zapnd_ini(:,:) = si(jp_apd)%fnow(:,:,1) * tmask(:,:,1) 223 231 zhpnd_ini(:,:) = si(jp_hpd)%fnow(:,:,1) * tmask(:,:,1) 232 zhlid_ini(:,:) = si(jp_hld)%fnow(:,:,1) * tmask(:,:,1) 224 233 ! 225 234 ! change the switch for the following … … 246 255 zapnd_ini(:,:) = rn_apd_ini_n * zswitch(:,:) * zat_i_ini(:,:) ! rn_apd = pond fraction => rn_apd * a_i = pond conc. 247 256 zhpnd_ini(:,:) = rn_hpd_ini_n * zswitch(:,:) 257 zhlid_ini(:,:) = rn_hld_ini_n * zswitch(:,:) 248 258 ELSEWHERE 249 259 zht_i_ini(:,:) = rn_hti_ini_s * zswitch(:,:) … … 256 266 zapnd_ini(:,:) = rn_apd_ini_s * zswitch(:,:) * zat_i_ini(:,:) ! rn_apd = pond fraction => rn_apd * a_i = pond conc. 257 267 zhpnd_ini(:,:) = rn_hpd_ini_s * zswitch(:,:) 268 zhlid_ini(:,:) = rn_hld_ini_s * zswitch(:,:) 258 269 END WHERE 259 270 ! … … 264 275 zapnd_ini(:,:) = 0._wp 265 276 zhpnd_ini(:,:) = 0._wp 277 zhlid_ini(:,:) = 0._wp 278 ENDIF 279 280 IF ( .NOT.ln_pnd_lids ) THEN 281 zhlid_ini(:,:) = 0._wp 266 282 ENDIF 267 283 268 !------------- !269 ! fill fields !270 !------------- !284 !----------------! 285 ! 3) fill fields ! 286 !----------------! 271 287 ! select ice covered grid points 272 288 npti = 0 ; nptidx(:) = 0 … … 290 306 CALL tab_2d_1d( npti, nptidx(1:npti), a_ip_1d(1:npti) , zapnd_ini ) 291 307 CALL tab_2d_1d( npti, nptidx(1:npti), h_ip_1d(1:npti) , zhpnd_ini ) 308 CALL tab_2d_1d( npti, nptidx(1:npti), h_il_1d(1:npti) , zhlid_ini ) 292 309 293 310 ! allocate temporary arrays 294 ALLOCATE( zhi_2d(npti,jpl), zhs_2d(npti,jpl), zai_2d (npti,jpl), & 295 & zti_2d(npti,jpl), zts_2d(npti,jpl), ztsu_2d(npti,jpl), zsi_2d(npti,jpl), zaip_2d(npti,jpl), zhip_2d(npti,jpl) ) 311 ALLOCATE( zhi_2d (npti,jpl), zhs_2d (npti,jpl), zai_2d (npti,jpl), & 312 & zti_2d (npti,jpl), zts_2d (npti,jpl), ztsu_2d(npti,jpl), zsi_2d(npti,jpl), & 313 & zaip_2d(npti,jpl), zhip_2d(npti,jpl), zhil_2d(npti,jpl) ) 296 314 297 315 ! distribute 1-cat into jpl-cat: (jpi*jpj) -> (jpi*jpj,jpl) 298 CALL ice_var_itd( h_i_1d(1:npti) , h_s_1d(1:npti) , at_i_1d(1:npti), & 299 & zhi_2d , zhs_2d , zai_2d , & 300 & t_i_1d(1:npti,1), t_s_1d(1:npti,1), t_su_1d(1:npti), s_i_1d(1:npti), a_ip_1d(1:npti), h_ip_1d(1:npti), & 301 & zti_2d , zts_2d , ztsu_2d , zsi_2d , zaip_2d , zhip_2d ) 316 CALL ice_var_itd( h_i_1d(1:npti) , h_s_1d(1:npti) , at_i_1d(1:npti), & 317 & zhi_2d , zhs_2d , zai_2d , & 318 & t_i_1d(1:npti,1), t_s_1d(1:npti,1), t_su_1d(1:npti), & 319 & s_i_1d(1:npti) , a_ip_1d(1:npti) , h_ip_1d(1:npti), h_il_1d(1:npti), & 320 & zti_2d , zts_2d , ztsu_2d , & 321 & zsi_2d , zaip_2d , zhip_2d , zhil_2d ) 302 322 303 323 ! move to 3D arrays: (jpi*jpj,jpl) -> (jpi,jpj,jpl) … … 315 335 CALL tab_2d_3d( npti, nptidx(1:npti), zaip_2d , a_ip ) 316 336 CALL tab_2d_3d( npti, nptidx(1:npti), zhip_2d , h_ip ) 337 CALL tab_2d_3d( npti, nptidx(1:npti), zhil_2d , h_il ) 317 338 318 339 ! deallocate temporary arrays 319 340 DEALLOCATE( zhi_2d, zhs_2d, zai_2d , & 320 & zti_2d, zts_2d, ztsu_2d, zsi_2d, zaip_2d, zhip_2d )341 & zti_2d, zts_2d, ztsu_2d, zsi_2d, zaip_2d, zhip_2d, zhil_2d ) 321 342 322 343 ! calculate extensive and intensive variables … … 360 381 361 382 ! Melt ponds 362 WHERE( a_i > epsi10 ) 363 a_ip_frac(:,:,:) = a_ip(:,:,:) / a_i(:,:,:) 364 ELSEWHERE 365 a_ip_frac(:,:,:) = 0._wp 383 WHERE( a_i > epsi10 ) ; a_ip_eff(:,:,:) = a_ip(:,:,:) / a_i(:,:,:) 384 ELSEWHERE ; a_ip_eff(:,:,:) = 0._wp 366 385 END WHERE 367 386 v_ip(:,:,:) = h_ip(:,:,:) * a_ip(:,:,:) 387 v_il(:,:,:) = h_il(:,:,:) * a_ip(:,:,:) 368 388 369 389 ! specific temperatures for coupled runs … … 371 391 t1_ice(:,:,:) = t_i (:,:,1,:) 372 392 ! 393 ! ice concentration should not exceed amax 394 at_i(:,:) = SUM( a_i, dim=3 ) 395 DO jl = 1, jpl 396 WHERE( at_i(:,:) > rn_amax_2d(:,:) ) a_i(:,:,jl) = a_i(:,:,jl) * rn_amax_2d(:,:) / at_i(:,:) 397 END DO 398 at_i(:,:) = SUM( a_i, dim=3 ) 399 ! 373 400 ENDIF ! ln_iceini 374 401 ! 375 at_i(:,:) = SUM( a_i, dim=3 )376 !377 402 !---------------------------------------------- 378 ! 3) Snow-ice mass (case ice is fully embedded)403 ! 4) Snow-ice mass (case ice is fully embedded) 379 404 !---------------------------------------------- 380 405 snwice_mass (:,:) = tmask(:,:,1) * SUM( rhos * v_s(:,:,:) + rhoi * v_i(:,:,:), dim=3 ) ! snow+ice mass … … 426 451 ENDIF 427 452 ENDIF 428 429 !------------------------------------430 ! 4) store fields at before time-step431 !------------------------------------432 ! it is only necessary for the 1st interpolation by Agrif433 a_i_b (:,:,:) = a_i (:,:,:)434 e_i_b (:,:,:,:) = e_i (:,:,:,:)435 v_i_b (:,:,:) = v_i (:,:,:)436 v_s_b (:,:,:) = v_s (:,:,:)437 e_s_b (:,:,:,:) = e_s (:,:,:,:)438 sv_i_b (:,:,:) = sv_i (:,:,:)439 oa_i_b (:,:,:) = oa_i (:,:,:)440 u_ice_b(:,:) = u_ice(:,:)441 v_ice_b(:,:) = v_ice(:,:)442 ! total concentration is needed for Lupkes parameterizations443 at_i_b (:,:) = at_i (:,:)444 453 445 454 !!clem: output of initial state should be written here but it is impossible because … … 466 475 ! 467 476 CHARACTER(len=256) :: cn_dir ! Root directory for location of ice files 468 TYPE(FLD_N) :: sn_hti, sn_hts, sn_ati, sn_smi, sn_tmi, sn_tsu, sn_tms, sn_apd, sn_hpd 477 TYPE(FLD_N) :: sn_hti, sn_hts, sn_ati, sn_smi, sn_tmi, sn_tsu, sn_tms, sn_apd, sn_hpd, sn_hld 469 478 TYPE(FLD_N), DIMENSION(jpfldi) :: slf_i ! array of namelist informations on the fields to read 470 479 ! 471 NAMELIST/namini/ ln_iceini, ln_iceini_file, rn_thres_sst, &480 NAMELIST/namini/ ln_iceini, nn_iceini_file, rn_thres_sst, & 472 481 & rn_hti_ini_n, rn_hti_ini_s, rn_hts_ini_n, rn_hts_ini_s, & 473 482 & rn_ati_ini_n, rn_ati_ini_s, rn_smi_ini_n, rn_smi_ini_s, & 474 483 & rn_tmi_ini_n, rn_tmi_ini_s, rn_tsu_ini_n, rn_tsu_ini_s, rn_tms_ini_n, rn_tms_ini_s, & 475 & rn_apd_ini_n, rn_apd_ini_s, rn_hpd_ini_n, rn_hpd_ini_s, &476 & sn_hti, sn_hts, sn_ati, sn_tsu, sn_tmi, sn_smi, sn_tms, sn_apd, sn_hpd, cn_dir484 & rn_apd_ini_n, rn_apd_ini_s, rn_hpd_ini_n, rn_hpd_ini_s, rn_hld_ini_n, rn_hld_ini_s, & 485 & sn_hti, sn_hts, sn_ati, sn_tsu, sn_tmi, sn_smi, sn_tms, sn_apd, sn_hpd, sn_hld, cn_dir 477 486 !!----------------------------------------------------------------------------- 478 487 ! … … 488 497 slf_i(jp_ati) = sn_ati ; slf_i(jp_smi) = sn_smi 489 498 slf_i(jp_tmi) = sn_tmi ; slf_i(jp_tsu) = sn_tsu ; slf_i(jp_tms) = sn_tms 490 slf_i(jp_apd) = sn_apd ; slf_i(jp_hpd) = sn_hpd 499 slf_i(jp_apd) = sn_apd ; slf_i(jp_hpd) = sn_hpd ; slf_i(jp_hld) = sn_hld 491 500 ! 492 501 IF(lwp) THEN ! control print … … 496 505 WRITE(numout,*) ' Namelist namini:' 497 506 WRITE(numout,*) ' ice initialization (T) or not (F) ln_iceini = ', ln_iceini 498 WRITE(numout,*) ' ice initialization from a netcdf file ln_iceini_file = ', ln_iceini_file507 WRITE(numout,*) ' ice initialization from a netcdf file nn_iceini_file = ', nn_iceini_file 499 508 WRITE(numout,*) ' max ocean temp. above Tfreeze with initial ice rn_thres_sst = ', rn_thres_sst 500 IF( ln_iceini .AND. .NOT.ln_iceini_file) THEN509 IF( ln_iceini .AND. nn_iceini_file == 0 ) THEN 501 510 WRITE(numout,*) ' initial snw thickness in the north-south rn_hts_ini = ', rn_hts_ini_n,rn_hts_ini_s 502 511 WRITE(numout,*) ' initial ice thickness in the north-south rn_hti_ini = ', rn_hti_ini_n,rn_hti_ini_s … … 508 517 WRITE(numout,*) ' initial pnd fraction in the north-south rn_apd_ini = ', rn_apd_ini_n,rn_apd_ini_s 509 518 WRITE(numout,*) ' initial pnd depth in the north-south rn_hpd_ini = ', rn_hpd_ini_n,rn_hpd_ini_s 519 WRITE(numout,*) ' initial pnd lid depth in the north-south rn_hld_ini = ', rn_hld_ini_n,rn_hld_ini_s 510 520 ENDIF 511 521 ENDIF 512 522 ! 513 IF( ln_iceini_file) THEN ! Ice initialization using input file523 IF( nn_iceini_file == 1 ) THEN ! Ice initialization using input file 514 524 ! 515 525 ! set si structure … … 532 542 rn_apd_ini_n = 0. ; rn_apd_ini_s = 0. 533 543 rn_hpd_ini_n = 0. ; rn_hpd_ini_s = 0. 534 CALL ctl_warn( 'rn_apd_ini & rn_hpd_ini = 0 when no ponds' ) 544 rn_hld_ini_n = 0. ; rn_hld_ini_s = 0. 545 CALL ctl_warn( 'rn_apd_ini & rn_hpd_ini = 0 & rn_hld_ini = 0 when no ponds' ) 546 ENDIF 547 ! 548 IF( .NOT.ln_pnd_lids ) THEN 549 rn_hld_ini_n = 0. ; rn_hld_ini_s = 0. 535 550 ENDIF 536 551 !
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