Changeset 9937
- Timestamp:
- 2018-07-12T17:55:41+02:00 (5 years ago)
- Location:
- NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src
- Files:
-
- 25 edited
Legend:
- Unmodified
- Added
- Removed
-
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icealb.F90
r9604 r9937 148 148 ! 149 149 ! !--- Snow-covered ice albedo (freezing, melting cases) 150 IF( pt_su(ji,jj,jl) < rt0 _snow) THEN150 IF( pt_su(ji,jj,jl) < rt0 ) THEN 151 151 zalb_snw = rn_alb_sdry - ( rn_alb_sdry - zalb_ice ) * EXP( - ph_snw(ji,jj,jl) * z1_c3 ) 152 152 ELSE -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icecor.F90
r9923 r9937 86 86 IF ( nn_icesal == 2 ) THEN ! salinity must stay in bounds [Simin,Simax] ! 87 87 ! !----------------------------------------------------- 88 zzc = rhoi c* r1_Dt_ice88 zzc = rhoi * r1_Dt_ice 89 89 DO jl = 1, jpl 90 90 DO jj = 1, jpj … … 139 139 & + SUM( e_s(ji,jj,1:nlay_s,:) - e_s_b(ji,jj,1:nlay_s,:) ) ) * r1_Dt_ice 140 140 ! ! salt, volume 141 diag_sice(ji,jj) = SUM( sv_i(ji,jj,:) - sv_i_b(ji,jj,:) ) * rhoi c* r1_Dt_ice142 diag_vice(ji,jj) = SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoi c* r1_Dt_ice143 diag_vsnw(ji,jj) = SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhos n* r1_Dt_ice141 diag_sice(ji,jj) = SUM( sv_i(ji,jj,:) - sv_i_b(ji,jj,:) ) * rhoi * r1_Dt_ice 142 diag_vice(ji,jj) = SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoi * r1_Dt_ice 143 diag_vsnw(ji,jj) = SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhos * r1_Dt_ice 144 144 END DO 145 145 END DO … … 160 160 & + SUM( e_s(ji,jj,1:nlay_s,:) - e_s_b(ji,jj,1:nlay_s,:) ) ) * r1_Dt_ice 161 161 ! ! salt, volume 162 diag_sice(ji,jj) = diag_sice(ji,jj) + SUM( sv_i(ji,jj,:) - sv_i_b(ji,jj,:) ) * rhoi c* r1_Dt_ice163 diag_vice(ji,jj) = diag_vice(ji,jj) + SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoi c* r1_Dt_ice164 diag_vsnw(ji,jj) = diag_vsnw(ji,jj) + SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhos n* r1_Dt_ice162 diag_sice(ji,jj) = diag_sice(ji,jj) + SUM( sv_i(ji,jj,:) - sv_i_b(ji,jj,:) ) * rhoi * r1_Dt_ice 163 diag_vice(ji,jj) = diag_vice(ji,jj) + SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoi * r1_Dt_ice 164 diag_vsnw(ji,jj) = diag_vsnw(ji,jj) + SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhos * r1_Dt_ice 165 165 END DO 166 166 END DO -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icectl.F90
r9923 r9937 93 93 & ) * e1e2t(:,:) ) * zconv 94 94 95 pdiag_v = glob_sum( SUM( v_i * rhoic + v_s * rhosn, dim=3 ) * e1e2t * zconv )96 97 pdiag_s = glob_sum( SUM( sv_i * rhoi c, dim=3 ) * e1e2t * zconv )95 pdiag_v = glob_sum( SUM( v_i * rhoi + v_s * rhos, dim=3 ) * e1e2t * zconv ) 96 97 pdiag_s = glob_sum( SUM( sv_i * rhoi , dim=3 ) * e1e2t * zconv ) 98 98 99 99 pdiag_t = glob_sum( ( SUM( SUM( e_i(:,:,1:nlay_i,:), dim=4 ), dim=3 ) & … … 120 120 121 121 ! outputs 122 zv = ( ( glob_sum( SUM( v_i * rhoi c + v_s * rhosn, dim=3 ) * e1e2t ) * zconv &122 zv = ( ( glob_sum( SUM( v_i * rhoi + v_s * rhos, dim=3 ) * e1e2t ) * zconv & 123 123 & - pdiag_v ) * r1_Dt_ice - zfv ) * rday 124 124 125 zs = ( ( glob_sum( SUM( sv_i * rhoi c, dim=3 ) * e1e2t ) * zconv &125 zs = ( ( glob_sum( SUM( sv_i * rhoi , dim=3 ) * e1e2t ) * zconv & 126 126 & - pdiag_s ) * r1_Dt_ice + zfs ) * rday 127 127 … … 131 131 132 132 ! zvtrp and zetrp must be close to 0 if the advection scheme is conservative 133 zvtrp = glob_sum( ( diag_trp_vi * rhoi c + diag_trp_vs * rhosn) * e1e2t ) * zconv * rday134 zetrp = glob_sum( ( diag_trp_ei + diag_trp_es) * e1e2t ) * zconv133 zvtrp = glob_sum( ( diag_trp_vi * rhoi + diag_trp_vs * rhos ) * e1e2t ) * zconv * rday 134 zetrp = glob_sum( ( diag_trp_ei + diag_trp_es ) * e1e2t ) * zconv 135 135 136 136 zvmin = glob_min( v_i ) -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icedia.F90
r9923 r9937 110 110 ! 3 - Content variations ! 111 111 ! ----------------------- ! 112 zdiff_vol = r1_rho0 * glob_sum( ( rhoi c*vt_i(:,:) + rhosn*vt_s(:,:) - vol_loc_ini(:,:) ) * e1e2t(:,:) ) * 1.e-9! freshwater trend (km3)113 zdiff_sal = r1_rho0 * glob_sum( ( rhoi c* SUM( sv_i(:,:,:), dim=3 ) - sal_loc_ini(:,:) ) * e1e2t(:,:) ) * 1.e-9! salt content trend (km3*pss)114 zdiff_tem = glob_sum( ( et_i(:,:) + et_s(:,:) 112 zdiff_vol = r1_rho0 * glob_sum( ( rhoi*vt_i(:,:) + rhos*vt_s(:,:) - vol_loc_ini(:,:) ) * e1e2t(:,:) ) * 1.e-9 ! freshwater trend (km3) 113 zdiff_sal = r1_rho0 * glob_sum( ( rhoi* SUM( sv_i(:,:,:), dim=3 ) - sal_loc_ini(:,:) ) * e1e2t(:,:) ) * 1.e-9 ! salt content trend (km3*pss) 114 zdiff_tem = glob_sum( ( et_i(:,:) + et_s(:,:) - tem_loc_ini(:,:) ) * e1e2t(:,:) ) * 1.e-20 ! heat content trend (1.e20 J) 115 115 ! + SUM( qevap_ice * a_i_b, dim=3 ) !! clem: I think this term should not be there (but needs a check) 116 116 … … 241 241 frc_sal = 0._wp 242 242 ! record initial ice volume, salt and temp 243 vol_loc_ini(:,:) = rhoi c * vt_i(:,:) + rhosn * vt_s(:,:)! ice/snow volume (kg/m2)244 tem_loc_ini(:,:) = et_i(:,:) + et_s(:,:) 245 sal_loc_ini(:,:) = rhoi c* SUM( sv_i(:,:,:), dim=3 ) ! ice salt content (pss*kg/m2)243 vol_loc_ini(:,:) = rhoi * vt_i(:,:) + rhos * vt_s(:,:) ! ice/snow volume (kg/m2) 244 tem_loc_ini(:,:) = et_i(:,:) + et_s(:,:) ! ice/snow heat content (J) 245 sal_loc_ini(:,:) = rhoi * SUM( sv_i(:,:,:), dim=3 ) ! ice salt content (pss*kg/m2) 246 246 ENDIF 247 247 ! -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icedyn_adv.F90
r9923 r9937 103 103 diag_trp_vi(:,:) = SUM( v_i (:,:,:) - v_i_b (:,:,:) , dim=3 ) * r1_Dt_ice 104 104 diag_trp_vs(:,:) = SUM( v_s (:,:,:) - v_s_b (:,:,:) , dim=3 ) * r1_Dt_ice 105 IF( iom_use('icemtrp') ) CALL iom_put( "icemtrp" , diag_trp_vi * rhoi c) ! ice mass transport106 IF( iom_use('snwmtrp') ) CALL iom_put( "snwmtrp" , diag_trp_vs * rhos n) ! snw mass transport107 IF( iom_use('salmtrp') ) CALL iom_put( "salmtrp" , diag_trp_sv * rhoi c * 1.e-03) ! salt mass transport (kg/m2/s)105 IF( iom_use('icemtrp') ) CALL iom_put( "icemtrp" , diag_trp_vi * rhoi ) ! ice mass transport 106 IF( iom_use('snwmtrp') ) CALL iom_put( "snwmtrp" , diag_trp_vs * rhos ) ! snw mass transport 107 IF( iom_use('salmtrp') ) CALL iom_put( "salmtrp" , diag_trp_sv * rhoi * 1.e-03 ) ! salt mass transport (kg/m2/s) 108 108 IF( iom_use('dihctrp') ) CALL iom_put( "dihctrp" , -diag_trp_ei ) ! advected ice heat content (W/m2) 109 109 IF( iom_use('dshctrp') ) CALL iom_put( "dshctrp" , -diag_trp_es ) ! advected snw heat content (W/m2) -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icedyn_rdgrft.F90
r9923 r9937 543 543 ! volume and enthalpy (J/m2, >0) of seawater trapped into ridges 544 544 vsw = v_i_2d(ji,jl1) * afrdg * rn_porordg 545 ersw(ji) = -rhoi c* vsw * rcp * sst_1d(ji) ! clem: if sst>0, then ersw <0 (is that possible?)545 ersw(ji) = -rhoi * vsw * rcp * sst_1d(ji) ! clem: if sst>0, then ersw <0 (is that possible?) 546 546 547 547 ! volume etc of ridging / rafting ice and new ridges (vi, vs, sm, oi, es, ei) … … 570 570 571 571 ! Ice-ocean exchanges associated with ice porosity 572 wfx_dyn_1d(ji) = wfx_dyn_1d(ji) - vsw * rhoi c* r1_Dt_ice ! increase in ice volume due to seawater frozen in voids573 sfx_dyn_1d(ji) = sfx_dyn_1d(ji) - vsw * sss_1d(ji) * rhoi c* r1_Dt_ice574 hfx_dyn_1d(ji) = hfx_dyn_1d(ji) + ersw(ji) 572 wfx_dyn_1d(ji) = wfx_dyn_1d(ji) - vsw * rhoi * r1_Dt_ice ! increase in ice volume due to seawater frozen in voids 573 sfx_dyn_1d(ji) = sfx_dyn_1d(ji) - vsw * sss_1d(ji) * rhoi * r1_Dt_ice 574 hfx_dyn_1d(ji) = hfx_dyn_1d(ji) + ersw(ji) * r1_Dt_ice ! > 0 [W.m-2] 575 575 576 576 ! Put the snow lost by ridging into the ocean 577 577 ! Note that esrdg > 0; the ocean must cool to melt snow. If the ocean temp = Tf already, new ice must grow. 578 wfx_snw_dyn_1d(ji) = wfx_snw_dyn_1d(ji) + ( rhos n* vsrdg(ji) * ( 1._wp - rn_fsnwrdg ) & ! fresh water source for ocean579 & + rhos n* vsrft(ji) * ( 1._wp - rn_fsnwrft ) ) * r1_Dt_ice578 wfx_snw_dyn_1d(ji) = wfx_snw_dyn_1d(ji) + ( rhos * vsrdg(ji) * ( 1._wp - rn_fsnwrdg ) & ! fresh water source for ocean 579 & + rhos * vsrft(ji) * ( 1._wp - rn_fsnwrft ) ) * r1_Dt_ice 580 580 581 581 ! Put the melt pond water into the ocean … … 583 583 ! is no net mass flux between melt ponds and the ocean (see icethd_pnd.F90 for ex.) 584 584 !IF ( ln_pnd_fwb ) THEN 585 ! wfx_pnd_1d(ji) = wfx_pnd_1d(ji) + ( rho fw * vprdg(ji) * ( 1._wp - rn_fpndrdg ) & ! fresh water source for ocean586 ! & + rho fw * vprft(ji) * ( 1._wp - rn_fpndrft ) ) * r1_Dt_ice585 ! wfx_pnd_1d(ji) = wfx_pnd_1d(ji) + ( rhow * vprdg(ji) * ( 1._wp - rn_fpndrdg ) & ! fresh water source for ocean 586 ! & + rhow * vprft(ji) * ( 1._wp - rn_fpndrft ) ) * r1_Dt_ice 587 587 !ENDIF 588 588 … … 590 590 IF( nn_icesal /= 2 ) THEN 591 591 sirdg2(ji) = sirdg2(ji) - vsw * ( sss_1d(ji) - s_i_1d(ji) ) ! ridge salinity = s_i 592 sfx_bri_1d(ji) = sfx_bri_1d(ji) + sss_1d(ji) * vsw * rhoi c* r1_Dt_ice & ! put back sss_m into the ocean593 & - s_i_1d(ji) * vsw * rhoi c* r1_Dt_ice ! and get s_i from the ocean592 sfx_bri_1d(ji) = sfx_bri_1d(ji) + sss_1d(ji) * vsw * rhoi * r1_Dt_ice & ! put back sss_m into the ocean 593 & - s_i_1d(ji) * vsw * rhoi * r1_Dt_ice ! and get s_i from the ocean 594 594 ENDIF 595 595 -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icedyn_rhg_evp.F90
r9923 r9937 285 285 286 286 ! Ice/snow mass at U-V points 287 zm1 = ( rhos n * vt_s(ji ,jj ) + rhoic* vt_i(ji ,jj ) )288 zm2 = ( rhos n * vt_s(ji+1,jj ) + rhoic* vt_i(ji+1,jj ) )289 zm3 = ( rhos n * vt_s(ji ,jj+1) + rhoic* vt_i(ji ,jj+1) )287 zm1 = ( rhos * vt_s(ji ,jj ) + rhoi * vt_i(ji ,jj ) ) 288 zm2 = ( rhos * vt_s(ji+1,jj ) + rhoi * vt_i(ji+1,jj ) ) 289 zm3 = ( rhos * vt_s(ji ,jj+1) + rhoi * vt_i(ji ,jj+1) ) 290 290 zmassU = 0.5_wp * ( zm1 * e1e2t(ji,jj) + zm2 * e1e2t(ji+1,jj) ) * r1_e1e2u(ji,jj) * umask(ji,jj,1) 291 291 zmassV = 0.5_wp * ( zm1 * e1e2t(ji,jj) + zm3 * e1e2t(ji,jj+1) ) * r1_e1e2v(ji,jj) * vmask(ji,jj,1) … … 799 799 zfac_y = 0.5 * v_ice(ji,jj) * e1v(ji,jj) * rswitch 800 800 801 zdiag_xmtrp_ice(ji,jj) = rhoi c * zfac_x * ( vt_i(ji+1,jj) + vt_i(ji,jj) )! ice mass transport, X-component802 zdiag_ymtrp_ice(ji,jj) = rhoi c * zfac_y * ( vt_i(ji,jj+1) + vt_i(ji,jj) )! '' Y- ''803 804 zdiag_xmtrp_snw(ji,jj) = rhos n * zfac_x * ( vt_s(ji+1,jj) + vt_s(ji,jj) )! snow mass transport, X-component805 zdiag_ymtrp_snw(ji,jj) = rhos n * zfac_y * ( vt_s(ji,jj+1) + vt_s(ji,jj) )! '' Y- ''806 807 zdiag_xatrp(ji,jj) = zfac_x * ( at_i(ji+1,jj) + at_i(ji,jj) ) ! area transport, X-component808 zdiag_yatrp(ji,jj) = zfac_y * ( at_i(ji,jj+1) + at_i(ji,jj) ) ! '' Y- ''801 zdiag_xmtrp_ice(ji,jj) = rhoi * zfac_x * ( vt_i(ji+1,jj) + vt_i(ji,jj) ) ! ice mass transport, X-component 802 zdiag_ymtrp_ice(ji,jj) = rhoi * zfac_y * ( vt_i(ji,jj+1) + vt_i(ji,jj) ) ! '' Y- '' 803 804 zdiag_xmtrp_snw(ji,jj) = rhos * zfac_x * ( vt_s(ji+1,jj) + vt_s(ji,jj) ) ! snow mass transport, X-component 805 zdiag_ymtrp_snw(ji,jj) = rhos * zfac_y * ( vt_s(ji,jj+1) + vt_s(ji,jj) ) ! '' Y- '' 806 807 zdiag_xatrp(ji,jj) = zfac_x * ( at_i(ji+1,jj) + at_i(ji,jj) ) ! area transport, X-component 808 zdiag_yatrp(ji,jj) = zfac_y * ( at_i(ji,jj+1) + at_i(ji,jj) ) ! '' Y- '' 809 809 810 810 END DO -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/iceistate.F90
r9923 r9937 295 295 ! In case snow load is in excess that would lead to transformation from snow to ice 296 296 ! Then, transfer the snow excess into the ice (different from icethd_dh) 297 zdh = MAX( 0._wp, ( rhos n * h_s(ji,jj,jl) + ( rhoic- rho0 ) * h_i(ji,jj,jl) ) * r1_rho0 )297 zdh = MAX( 0._wp, ( rhos * h_s(ji,jj,jl) + ( rhoi - rho0 ) * h_i(ji,jj,jl) ) * r1_rho0 ) 298 298 ! recompute h_i, h_s avoiding out of bounds values 299 299 h_i(ji,jj,jl) = MIN( hi_max(jl), h_i(ji,jj,jl) + zdh ) 300 h_s(ji,jj,jl) = MAX( 0._wp, h_s(ji,jj,jl) - zdh * rhoi c * r1_rhosn)300 h_s(ji,jj,jl) = MAX( 0._wp, h_s(ji,jj,jl) - zdh * rhoi * r1_rhos ) 301 301 ! 302 302 ! ice volume, salt content, age content … … 321 321 t_s(ji,jj,jk,jl) = zswitch(ji,jj) * ztm_i_ini(ji,jj) + ( 1._wp - zswitch(ji,jj) ) * rt0 322 322 ! Snow energy of melting 323 e_s(ji,jj,jk,jl) = zswitch(ji,jj) * rhos n * ( cpic * ( rt0 - t_s(ji,jj,jk,jl) ) + lfus )323 e_s(ji,jj,jk,jl) = zswitch(ji,jj) * rhos * ( rcpi * ( rt0 - t_s(ji,jj,jk,jl) ) + rLfus ) 324 324 ! 325 325 ! Mutliply by volume, and divide by number of layers to get heat content in J/m2 … … 340 340 ! 341 341 ! heat content per unit volume 342 e_i(ji,jj,jk,jl) = zswitch(ji,jj) * rhoi c * ( cpic * ( ztmelts - t_i(ji,jj,jk,jl) )&343 & + lfus * ( 1._wp - (ztmelts-rt0) / MIN( (t_i(ji,jj,jk,jl)-rt0) , -epsi20 ) ) &344 & - rcp * ( ztmelts - rt0 ) )342 e_i(ji,jj,jk,jl) = zswitch(ji,jj) * rhoi * ( rcpi * ( ztmelts - t_i(ji,jj,jk,jl) ) & 343 & + rLfus * ( 1._wp - (ztmelts-rt0) / MIN( (t_i(ji,jj,jk,jl)-rt0) , -epsi20 ) ) & 344 & - rcp * ( ztmelts - rt0 ) ) 345 345 ! 346 346 ! Mutliply by ice volume, and divide by number of layers to get heat content in J/m2 … … 410 410 ! 5) Snow-ice mass (case ice is fully embedded) 411 411 !---------------------------------------------- 412 snwice_mass (:,:) = tmask(:,:,1) * SUM( rhos n * v_s(:,:,:) + rhoic* v_i(:,:,:), dim=3 ) ! snow+ice mass412 snwice_mass (:,:) = tmask(:,:,1) * SUM( rhos * v_s(:,:,:) + rhoi * v_i(:,:,:), dim=3 ) ! snow+ice mass 413 413 snwice_mass_b(:,:) = snwice_mass(:,:) 414 414 ! -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd.F90
r9923 r9937 295 295 ztmelts = -tmut * sz_i_1d(ji,jk) 296 296 ! Conversion q(S,T) -> T (second order equation) 297 zbbb = ( rcp - cpic ) * ztmelts + e_i_1d(ji,jk) * r1_rhoic - lfus298 zccc = SQRT( MAX( zbbb * zbbb - 4._wp * cpic * lfus * ztmelts, 0._wp ) )299 t_i_1d(ji,jk) = rt0 - ( zbbb + zccc ) * 0.5_wp * r1_cpi c297 zbbb = ( rcp - rcpi ) * ztmelts + e_i_1d(ji,jk) * r1_rhoi - rLfus 298 zccc = SQRT( MAX( zbbb * zbbb - 4._wp * rcpi * rLfus * ztmelts, 0._wp ) ) 299 t_i_1d(ji,jk) = rt0 - ( zbbb + zccc ) * 0.5_wp * r1_cpi 300 300 301 301 ! mask temperature -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd_da.F90
r9923 r9937 137 137 138 138 ! Contribution to salt flux 139 sfx_lam_1d(ji) = sfx_lam_1d(ji) + rhoi c* h_i_1d(ji) * zda * s_i_1d(ji) * r1_Dt_ice139 sfx_lam_1d(ji) = sfx_lam_1d(ji) + rhoi * h_i_1d(ji) * zda * s_i_1d(ji) * r1_Dt_ice 140 140 141 141 ! Contribution to heat flux into the ocean [W.m-2], (<0) … … 144 144 145 145 ! Contribution to mass flux 146 wfx_lam_1d(ji) = wfx_lam_1d(ji) + zda * r1_Dt_ice * ( rhoi c * h_i_1d(ji) + rhosn* h_s_1d(ji) )146 wfx_lam_1d(ji) = wfx_lam_1d(ji) + zda * r1_Dt_ice * ( rhoi * h_i_1d(ji) + rhos * h_s_1d(ji) ) 147 147 148 148 ! new concentration -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd_dh.F90
r9923 r9937 76 76 REAL(wp) :: zgrr ! bottom growth rate 77 77 REAL(wp) :: zt_i_new ! bottom formation temperature 78 REAL(wp) :: z1_rho ! 1/(rhos n+rho0-rhoic)78 REAL(wp) :: z1_rho ! 1/(rhos+rho0-rhoi) 79 79 80 80 REAL(wp) :: zQm ! enthalpy exchanged with the ocean (J/m2), >0 towards the ocean … … 182 182 IF( t_s_1d(ji,jk) > rt0 ) THEN 183 183 hfx_res_1d (ji) = hfx_res_1d (ji) + e_s_1d(ji,jk) * zh_s(ji,jk) * a_i_1d(ji) * r1_Dt_ice ! heat flux to the ocean [W.m-2], < 0 184 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) + rhos n* zh_s(ji,jk) * a_i_1d(ji) * r1_Dt_ice ! mass flux184 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) + rhos * zh_s(ji,jk) * a_i_1d(ji) * r1_Dt_ice ! mass flux 185 185 ! updates 186 186 dh_s_mlt(ji) = dh_s_mlt(ji) - zh_s(ji,jk) … … 202 202 ! 203 203 ! --- precipitation --- 204 zdh_s_pre (ji) = zsnw(ji) * sprecip_1d(ji) * rdt_ice * r1_rhos n / at_i_1d(ji)! thickness change204 zdh_s_pre (ji) = zsnw(ji) * sprecip_1d(ji) * rdt_ice * r1_rhos / at_i_1d(ji) ! thickness change 205 205 zqprec (ji) = - qprec_ice_1d(ji) ! enthalpy of the precip (>0, J.m-3) 206 206 ! 207 207 hfx_spr_1d(ji) = hfx_spr_1d(ji) + zdh_s_pre(ji) * a_i_1d(ji) * zqprec(ji) * r1_Dt_ice ! heat flux from snow precip (>0, W.m-2) 208 wfx_spr_1d(ji) = wfx_spr_1d(ji) - rhos n* a_i_1d(ji) * zdh_s_pre(ji) * r1_Dt_ice ! mass flux, <0208 wfx_spr_1d(ji) = wfx_spr_1d(ji) - rhos * a_i_1d(ji) * zdh_s_pre(ji) * r1_Dt_ice ! mass flux, <0 209 209 210 210 ! --- melt of falling snow --- … … 213 213 zdeltah (ji,1) = MAX( - zdh_s_pre(ji), zdeltah(ji,1) ) ! bound melting 214 214 hfx_snw_1d (ji) = hfx_snw_1d (ji) - zdeltah(ji,1) * a_i_1d(ji) * zqprec(ji) * r1_Dt_ice ! heat used to melt snow (W.m-2, >0) 215 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) - rhos n* a_i_1d(ji) * zdeltah(ji,1) * r1_Dt_ice ! snow melting only = water into the ocean (then without snow precip), >0215 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) - rhos * a_i_1d(ji) * zdeltah(ji,1) * r1_Dt_ice ! snow melting only = water into the ocean (then without snow precip), >0 216 216 217 217 ! updates available heat + precipitations after melting … … 253 253 254 254 hfx_snw_1d(ji) = hfx_snw_1d(ji) - zdeltah(ji,jk) * a_i_1d(ji) * e_s_1d (ji,jk) * r1_Dt_ice ! heat used to melt snow(W.m-2, >0) 255 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) - rhos n* a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! snow melting only = water into the ocean (then without snow precip)255 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) - rhos * a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! snow melting only = water into the ocean (then without snow precip) 256 256 257 257 ! updates available heat + thickness … … 273 273 IF( evap_ice_1d(ji) > 0._wp ) THEN 274 274 ! 275 zdh_s_sub (ji) = MAX( - h_s_1d(ji) , - evap_ice_1d(ji) * r1_rhos n* rdt_ice )276 zevap_rema(ji) = evap_ice_1d(ji) * rdt_ice + zdh_s_sub(ji) * rhos n! remaining evap in kg.m-2 (used for ice melting later on)275 zdh_s_sub (ji) = MAX( - h_s_1d(ji) , - evap_ice_1d(ji) * r1_rhos * rdt_ice ) 276 zevap_rema(ji) = evap_ice_1d(ji) * rdt_ice + zdh_s_sub(ji) * rhos ! remaining evap in kg.m-2 (used for ice melting later on) 277 277 zdeltah (ji,1) = MAX( zdh_s_sub(ji), - zdh_s_pre(ji) ) 278 278 … … 280 280 & ( zdeltah(ji,1) * zqprec(ji) + ( zdh_s_sub(ji) - zdeltah(ji,1) ) * e_s_1d(ji,1) ) & 281 281 & * a_i_1d(ji) * r1_Dt_ice 282 wfx_snw_sub_1d(ji) = wfx_snw_sub_1d(ji) - rhos n* a_i_1d(ji) * zdh_s_sub(ji) * r1_Dt_ice ! Mass flux by sublimation282 wfx_snw_sub_1d(ji) = wfx_snw_sub_1d(ji) - rhos * a_i_1d(ji) * zdh_s_sub(ji) * r1_Dt_ice ! Mass flux by sublimation 283 283 284 284 ! new snow thickness … … 309 309 e_s_1d(ji,jk) = rswitch / MAX( h_s_1d(ji), epsi20 ) * & 310 310 & ( ( zdh_s_pre(ji) ) * zqprec(ji) + & 311 & ( h_s_1d(ji) - zdh_s_pre(ji) ) * rhos n * ( cpic * ( rt0 - t_s_1d(ji,jk) ) + lfus ) )311 & ( h_s_1d(ji) - zdh_s_pre(ji) ) * rhos * ( rcpi * ( rt0 - t_s_1d(ji,jk) ) + rLfus ) ) 312 312 END DO 313 313 END DO … … 326 326 IF( t_i_1d(ji,jk) >= (ztmelts+rt0) ) THEN !-- Internal melting 327 327 328 zEi = - e_i_1d(ji,jk) * r1_rhoi c! Specific enthalpy of layer k [J/kg, <0]328 zEi = - e_i_1d(ji,jk) * r1_rhoi ! Specific enthalpy of layer k [J/kg, <0] 329 329 zdE = 0._wp ! Specific enthalpy difference (J/kg, <0) 330 330 ! set up at 0 since no energy is needed to melt water...(it is already melted) 331 331 zdeltah(ji,jk) = MIN( 0._wp , - zh_i(ji,jk) ) ! internal melting occurs when the internal temperature is above freezing 332 332 ! this should normally not happen, but sometimes, heat diffusion leads to this 333 zfmdt = - zdeltah(ji,jk) * rhoi c! Mass flux x time step > 0333 zfmdt = - zdeltah(ji,jk) * rhoi ! Mass flux x time step > 0 334 334 335 335 dh_i_itm(ji) = dh_i_itm(ji) + zdeltah(ji,jk) ! Cumulate internal melting 336 336 337 zfmdt = - rhoi c * zdeltah(ji,jk)! Recompute mass flux [kg/m2, >0]337 zfmdt = - rhoi * zdeltah(ji,jk) ! Recompute mass flux [kg/m2, >0] 338 338 339 339 hfx_res_1d(ji) = hfx_res_1d(ji) + zfmdt * a_i_1d(ji) * zEi * r1_Dt_ice ! Heat flux to the ocean [W.m-2], <0 340 340 ! ice enthalpy zEi is "sent" to the ocean 341 sfx_res_1d(ji) = sfx_res_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux341 sfx_res_1d(ji) = sfx_res_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux 342 342 ! using s_i_1d and not sz_i_1d(jk) is ok 343 wfx_res_1d(ji) = wfx_res_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux343 wfx_res_1d(ji) = wfx_res_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux 344 344 345 345 ELSE !-- Surface melting 346 346 347 zEi = - e_i_1d(ji,jk) * r1_rhoi c! Specific enthalpy of layer k [J/kg, <0]347 zEi = - e_i_1d(ji,jk) * r1_rhoi ! Specific enthalpy of layer k [J/kg, <0] 348 348 zEw = rcp * ztmelts ! Specific enthalpy of resulting meltwater [J/kg, <0] 349 349 zdE = zEi - zEw ! Specific enthalpy difference < 0 … … 351 351 zfmdt = - zq_su(ji) / zdE ! Mass flux to the ocean [kg/m2, >0] 352 352 353 zdeltah(ji,jk) = - zfmdt * r1_rhoi c! Melt of layer jk [m, <0]353 zdeltah(ji,jk) = - zfmdt * r1_rhoi ! Melt of layer jk [m, <0] 354 354 355 355 zdeltah(ji,jk) = MIN( 0._wp , MAX( zdeltah(ji,jk) , - zh_i(ji,jk) ) ) ! Melt of layer jk cannot exceed the layer thickness [m, <0] 356 356 357 zq_su(ji) = MAX( 0._wp , zq_su(ji) - zdeltah(ji,jk) * rhoi c* zdE ) ! update available heat357 zq_su(ji) = MAX( 0._wp , zq_su(ji) - zdeltah(ji,jk) * rhoi * zdE ) ! update available heat 358 358 359 359 dh_i_sum(ji) = dh_i_sum(ji) + zdeltah(ji,jk) ! Cumulate surface melt 360 360 361 zfmdt = - rhoi c * zdeltah(ji,jk)! Recompute mass flux [kg/m2, >0]361 zfmdt = - rhoi * zdeltah(ji,jk) ! Recompute mass flux [kg/m2, >0] 362 362 363 363 zQm = zfmdt * zEw ! Energy of the melt water sent to the ocean [J/m2, <0] 364 364 365 sfx_sum_1d(ji) = sfx_sum_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux >0365 sfx_sum_1d(ji) = sfx_sum_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux >0 366 366 ! using s_i_1d and not sz_i_1d(jk) is ok) 367 367 hfx_thd_1d(ji) = hfx_thd_1d(ji) + zfmdt * a_i_1d(ji) * zEw * r1_Dt_ice ! Heat flux [W.m-2], < 0 368 368 hfx_sum_1d(ji) = hfx_sum_1d(ji) - zfmdt * a_i_1d(ji) * zdE * r1_Dt_ice ! Heat flux used in this process [W.m-2], > 0 369 369 ! 370 wfx_sum_1d(ji) = wfx_sum_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux370 wfx_sum_1d(ji) = wfx_sum_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux 371 371 372 372 END IF … … 374 374 ! Ice sublimation 375 375 ! --------------- 376 zdum = MAX( - ( zh_i(ji,jk) + zdeltah(ji,jk) ) , - zevap_rema(ji) * r1_rhoi c)376 zdum = MAX( - ( zh_i(ji,jk) + zdeltah(ji,jk) ) , - zevap_rema(ji) * r1_rhoi ) 377 377 zdeltah (ji,jk) = zdeltah (ji,jk) + zdum 378 378 dh_i_sub(ji) = dh_i_sub(ji) + zdum 379 379 380 sfx_sub_1d(ji) = sfx_sub_1d(ji) - rhoi c* a_i_1d(ji) * zdum * s_i_1d(ji) * r1_Dt_ice ! Salt flux >0380 sfx_sub_1d(ji) = sfx_sub_1d(ji) - rhoi * a_i_1d(ji) * zdum * s_i_1d(ji) * r1_Dt_ice ! Salt flux >0 381 381 ! clem: flux is sent to the ocean for simplicity 382 382 ! but salt should remain in the ice except … … 384 384 hfx_sub_1d(ji) = hfx_sub_1d(ji) + zdum * e_i_1d(ji,jk) * a_i_1d(ji) * r1_Dt_ice ! Heat flux [W.m-2], < 0 385 385 386 wfx_ice_sub_1d(ji) = wfx_ice_sub_1d(ji) - rhoi c* a_i_1d(ji) * zdum * r1_Dt_ice ! Mass flux > 0386 wfx_ice_sub_1d(ji) = wfx_ice_sub_1d(ji) - rhoi * a_i_1d(ji) * zdum * r1_Dt_ice ! Mass flux > 0 387 387 388 388 ! update remaining mass flux 389 zevap_rema(ji) = zevap_rema(ji) + zdum * rhoi c389 zevap_rema(ji) = zevap_rema(ji) + zdum * rhoi 390 390 391 391 ! record which layers have disappeared (for bottom melting) … … 450 450 zt_i_new = zswitch_sal * t_bo_1d(ji) + ( 1. - zswitch_sal) * t_i_1d(ji, nlay_i) 451 451 452 zEi = cpic* ( zt_i_new - (ztmelts+rt0) ) & ! Specific enthalpy of forming ice (J/kg, <0)453 & - lfus * ( 1.0 - ztmelts / ( zt_i_new - rt0 ) ) + rcp* ztmelts452 zEi = rcpi * ( zt_i_new - (ztmelts+rt0) ) & ! Specific enthalpy of forming ice (J/kg, <0) 453 & - rLfus * ( 1.0 - ztmelts / ( zt_i_new - rt0 ) ) + rcp * ztmelts 454 454 455 455 zEw = rcp * ( t_bo_1d(ji) - rt0 ) ! Specific enthalpy of seawater (J/kg, < 0) … … 457 457 zdE = zEi - zEw ! Specific enthalpy difference (J/kg, <0) 458 458 459 dh_i_bog(ji) = rdt_ice * MAX( 0._wp , zf_tt(ji) / ( zdE * rhoi c) )459 dh_i_bog(ji) = rdt_ice * MAX( 0._wp , zf_tt(ji) / ( zdE * rhoi ) ) 460 460 461 461 END DO 462 462 ! Contribution to Energy and Salt Fluxes 463 zfmdt = - rhoi c* dh_i_bog(ji) ! Mass flux x time step (kg/m2, < 0)463 zfmdt = - rhoi * dh_i_bog(ji) ! Mass flux x time step (kg/m2, < 0) 464 464 465 465 hfx_thd_1d(ji) = hfx_thd_1d(ji) + zfmdt * a_i_1d(ji) * zEw * r1_Dt_ice ! Heat flux to the ocean [W.m-2], >0 466 466 hfx_bog_1d(ji) = hfx_bog_1d(ji) - zfmdt * a_i_1d(ji) * zdE * r1_Dt_ice ! Heat flux used in this process [W.m-2], <0 467 467 468 sfx_bog_1d(ji) = sfx_bog_1d(ji) - rhoi c* a_i_1d(ji) * dh_i_bog(ji) * s_i_new(ji) * r1_Dt_ice ! Salt flux, <0469 470 wfx_bog_1d(ji) = wfx_bog_1d(ji) - rhoi c* a_i_1d(ji) * dh_i_bog(ji) * r1_Dt_ice ! Mass flux, <0468 sfx_bog_1d(ji) = sfx_bog_1d(ji) - rhoi * a_i_1d(ji) * dh_i_bog(ji) * s_i_new(ji) * r1_Dt_ice ! Salt flux, <0 469 470 wfx_bog_1d(ji) = wfx_bog_1d(ji) - rhoi * a_i_1d(ji) * dh_i_bog(ji) * r1_Dt_ice ! Mass flux, <0 471 471 472 472 ! update heat content (J.m-2) and layer thickness 473 eh_i_old(ji,nlay_i+1) = eh_i_old(ji,nlay_i+1) + dh_i_bog(ji) * (-zEi * rhoi c)473 eh_i_old(ji,nlay_i+1) = eh_i_old(ji,nlay_i+1) + dh_i_bog(ji) * (-zEi * rhoi) 474 474 h_i_old (ji,nlay_i+1) = h_i_old (ji,nlay_i+1) + dh_i_bog(ji) 475 475 … … 489 489 IF( t_i_1d(ji,jk) >= (ztmelts+rt0) ) THEN !-- Internal melting 490 490 491 zEi = - e_i_1d(ji,jk) * r1_rhoi c! Specific enthalpy of melting ice (J/kg, <0)491 zEi = - e_i_1d(ji,jk) * r1_rhoi ! Specific enthalpy of melting ice (J/kg, <0) 492 492 zdE = 0._wp ! Specific enthalpy difference (J/kg, <0) 493 493 ! set up at 0 since no energy is needed to melt water...(it is already melted) … … 497 497 dh_i_itm (ji) = dh_i_itm(ji) + zdeltah(ji,jk) 498 498 499 zfmdt = - zdeltah(ji,jk) * rhoi c! Mass flux x time step > 0499 zfmdt = - zdeltah(ji,jk) * rhoi ! Mass flux x time step > 0 500 500 501 501 hfx_res_1d(ji) = hfx_res_1d(ji) + zfmdt * a_i_1d(ji) * zEi * r1_Dt_ice ! Heat flux to the ocean [W.m-2], <0 502 502 ! ice enthalpy zEi is "sent" to the ocean 503 sfx_res_1d(ji) = sfx_res_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux503 sfx_res_1d(ji) = sfx_res_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux 504 504 ! using s_i_1d and not sz_i_1d(jk) is ok 505 wfx_res_1d(ji) = wfx_res_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux505 wfx_res_1d(ji) = wfx_res_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux 506 506 507 507 ! update heat content (J.m-2) and layer thickness … … 511 511 ELSE !-- Basal melting 512 512 513 zEi = - e_i_1d(ji,jk) * r1_rhoi c! Specific enthalpy of melting ice (J/kg, <0)513 zEi = - e_i_1d(ji,jk) * r1_rhoi ! Specific enthalpy of melting ice (J/kg, <0) 514 514 zEw = rcp * ztmelts ! Specific enthalpy of meltwater (J/kg, <0) 515 515 zdE = zEi - zEw ! Specific enthalpy difference (J/kg, <0) … … 517 517 zfmdt = - zq_bo(ji) / zdE ! Mass flux x time step (kg/m2, >0) 518 518 519 zdeltah(ji,jk) = - zfmdt * r1_rhoi c! Gross thickness change519 zdeltah(ji,jk) = - zfmdt * r1_rhoi ! Gross thickness change 520 520 521 521 zdeltah(ji,jk) = MIN( 0._wp , MAX( zdeltah(ji,jk), - zh_i(ji,jk) ) ) ! bound thickness change 522 522 523 zq_bo(ji) = MAX( 0._wp , zq_bo(ji) - zdeltah(ji,jk) * rhoi c * zdE )! update available heat. MAX is necessary for roundup errors524 525 dh_i_bom(ji) = dh_i_bom(ji) + zdeltah(ji,jk) ! Update basal melt526 527 zfmdt = - zdeltah(ji,jk) * rhoi c! Mass flux x time step > 0523 zq_bo(ji) = MAX( 0._wp , zq_bo(ji) - zdeltah(ji,jk) * rhoi * zdE ) ! update available heat. MAX is necessary for roundup errors 524 525 dh_i_bom(ji) = dh_i_bom(ji) + zdeltah(ji,jk) ! Update basal melt 526 527 zfmdt = - zdeltah(ji,jk) * rhoi ! Mass flux x time step > 0 528 528 529 529 zQm = zfmdt * zEw ! Heat exchanged with ocean … … 532 532 hfx_bom_1d(ji) = hfx_bom_1d(ji) - zfmdt * a_i_1d(ji) * zdE * r1_Dt_ice ! Heat used in this process [W.m-2], >0 533 533 534 sfx_bom_1d(ji) = sfx_bom_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux534 sfx_bom_1d(ji) = sfx_bom_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * s_i_1d(ji) * r1_Dt_ice ! Salt flux 535 535 ! using s_i_1d and not sz_i_1d(jk) is ok 536 536 537 wfx_bom_1d(ji) = wfx_bom_1d(ji) - rhoi c* a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux537 wfx_bom_1d(ji) = wfx_bom_1d(ji) - rhoi * a_i_1d(ji) * zdeltah(ji,jk) * r1_Dt_ice ! Mass flux 538 538 539 539 ! update heat content (J.m-2) and layer thickness … … 566 566 zq_rema(ji) = zq_rema(ji) + zdeltah(ji,1) * e_s_1d(ji,1) ! update available heat (J.m-2) 567 567 hfx_snw_1d(ji) = hfx_snw_1d(ji) - zdeltah(ji,1) * a_i_1d(ji) * e_s_1d(ji,1) * r1_Dt_ice ! Heat used to melt snow, W.m-2 (>0) 568 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) - rhos n* a_i_1d(ji) * zdeltah(ji,1) * r1_Dt_ice ! Mass flux568 wfx_snw_sum_1d(ji) = wfx_snw_sum_1d(ji) - rhos * a_i_1d(ji) * zdeltah(ji,1) * r1_Dt_ice ! Mass flux 569 569 dh_s_mlt(ji) = dh_s_mlt(ji) + zdeltah(ji,1) 570 570 ! … … 580 580 ! When snow load excesses Archimede's limit, snow-ice interface goes down under sea-level, 581 581 ! flooding of seawater transforms snow into ice dh_snowice is positive for the ice 582 z1_rho = 1._wp / ( rhos n+rho0-rhoic)582 z1_rho = 1._wp / ( rhos + rho0 - rhoi ) 583 583 DO ji = 1, npti 584 584 ! 585 dh_snowice(ji) = MAX( 0._wp , ( rhos n * h_s_1d(ji) + (rhoic-rho0) * h_i_1d(ji) ) * z1_rho )585 dh_snowice(ji) = MAX( 0._wp , ( rhos * h_s_1d(ji) + (rhoi-rho0) * h_i_1d(ji) ) * z1_rho ) 586 586 587 587 h_i_1d(ji) = h_i_1d(ji) + dh_snowice(ji) … … 589 589 590 590 ! Contribution to energy flux to the ocean [J/m2], >0 (if sst<0) 591 zfmdt = ( rhos n - rhoic) * dh_snowice(ji) ! <0591 zfmdt = ( rhos - rhoi ) * dh_snowice(ji) ! <0 592 592 zEw = rcp * sst_1d(ji) 593 593 zQm = zfmdt * zEw … … 599 599 ! Case constant salinity in time: virtual salt flux to keep salinity constant 600 600 IF( nn_icesal /= 2 ) THEN 601 sfx_bri_1d(ji) = sfx_bri_1d(ji) - sss_1d (ji) * a_i_1d(ji) * zfmdt 602 & - s_i_1d(ji) * a_i_1d(ji) * dh_snowice(ji) * rhoi c* r1_Dt_ice ! and get rn_icesal from the ocean601 sfx_bri_1d(ji) = sfx_bri_1d(ji) - sss_1d (ji) * a_i_1d(ji) * zfmdt * r1_Dt_ice & ! put back sss_m into the ocean 602 & - s_i_1d(ji) * a_i_1d(ji) * dh_snowice(ji) * rhoi * r1_Dt_ice ! and get rn_icesal from the ocean 603 603 ENDIF 604 604 605 605 ! Mass flux: All snow is thrown in the ocean, and seawater is taken to replace the volume 606 wfx_sni_1d(ji) = wfx_sni_1d(ji) - a_i_1d(ji) * dh_snowice(ji) * rhoi c* r1_Dt_ice607 wfx_snw_sni_1d(ji) = wfx_snw_sni_1d(ji) + a_i_1d(ji) * dh_snowice(ji) * rhos n* r1_Dt_ice606 wfx_sni_1d(ji) = wfx_sni_1d(ji) - a_i_1d(ji) * dh_snowice(ji) * rhoi * r1_Dt_ice 607 wfx_snw_sni_1d(ji) = wfx_snw_sni_1d(ji) + a_i_1d(ji) * dh_snowice(ji) * rhos * r1_Dt_ice 608 608 609 609 ! update heat content (J.m-2) and layer thickness … … 627 627 e_s_1d(ji,jk) = rswitch * e_s_1d(ji,jk) 628 628 ! recalculate t_s_1d from e_s_1d 629 t_s_1d(ji,jk) = rt0 + rswitch * ( - e_s_1d(ji,jk) * r1_rhos n * r1_cpic + lfus * r1_cpic)629 t_s_1d(ji,jk) = rt0 + rswitch * ( - e_s_1d(ji,jk) * r1_rhos * r1_cpi + rLfus * r1_cpi ) 630 630 END DO 631 631 END DO -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd_do.F90
r9923 r9937 140 140 ! Physical constants 141 141 zhicrit = 0.04 ! frazil ice thickness 142 ztwogp = 2. * rho0 / ( grav * 0.3 * ( rho0 - rhoi c ) )! reduced grav142 ztwogp = 2. * rho0 / ( grav * 0.3 * ( rho0 - rhoi ) ) ! reduced grav 143 143 zsqcd = 1.0 / SQRT( 1.3 * zcai ) ! 1/SQRT(airdensity*drag) 144 144 zgamafr = 0.03 … … 264 264 DO ji = 1, npti 265 265 ztmelts = - tmut * zs_newice(ji) ! Melting point (C) 266 ze_newice(ji) = rhoi c * ( cpic* ( ztmelts - ( t_bo_1d(ji) - rt0 ) ) &267 & + lfus * ( 1.0 - ztmelts / MIN( t_bo_1d(ji) - rt0, -epsi10 ) ) &268 & - rcp* ztmelts )266 ze_newice(ji) = rhoi * ( rcpi * ( ztmelts - ( t_bo_1d(ji) - rt0 ) ) & 267 & + rLfus * ( 1.0 - ztmelts / MIN( t_bo_1d(ji) - rt0, -epsi10 ) ) & 268 & - rcp * ztmelts ) 269 269 END DO 270 270 … … 275 275 DO ji = 1, npti 276 276 277 zEi = - ze_newice(ji) * r1_rhoi c! specific enthalpy of forming ice [J/kg]277 zEi = - ze_newice(ji) * r1_rhoi ! specific enthalpy of forming ice [J/kg] 278 278 279 279 zEw = rcp * ( t_bo_1d(ji) - rt0 ) ! specific enthalpy of seawater at t_bo_1d [J/kg] … … 284 284 zfmdt = - qlead_1d(ji) / zdE ! Fm.dt [kg/m2] (<0) 285 285 ! clem: we use qlead instead of zqld (icethd) because we suppose we are at the freezing point 286 zv_newice(ji) = - zfmdt * r1_rhoi c286 zv_newice(ji) = - zfmdt * r1_rhoi 287 287 288 288 zQm = zfmdt * zEw ! heat to the ocean >0 associated with mass flux … … 293 293 hfx_opw_1d(ji) = hfx_opw_1d(ji) - zfmdt * zdE * r1_Dt_ice 294 294 ! mass flux 295 wfx_opw_1d(ji) = wfx_opw_1d(ji) - zv_newice(ji) * rhoi c* r1_Dt_ice295 wfx_opw_1d(ji) = wfx_opw_1d(ji) - zv_newice(ji) * rhoi * r1_Dt_ice 296 296 ! salt flux 297 sfx_opw_1d(ji) = sfx_opw_1d(ji) - zv_newice(ji) * rhoi c* zs_newice(ji) * r1_Dt_ice297 sfx_opw_1d(ji) = sfx_opw_1d(ji) - zv_newice(ji) * rhoi * zs_newice(ji) * r1_Dt_ice 298 298 END DO 299 299 -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd_pnd.F90
r9923 r9937 133 133 REAL(wp) :: zdv_mlt ! available meltwater for melt ponding 134 134 REAL(wp) :: z1_Tp ! inverse reference temperature 135 REAL(wp) :: z1_rhofw ! inverse freshwater density136 135 REAL(wp) :: z1_zpnd_aspect ! inverse pond aspect ratio 137 136 REAL(wp) :: zfac, zdum … … 139 138 INTEGER :: ji ! loop indices 140 139 !!------------------------------------------------------------------- 141 z1_rhofw = 1._wp / rhofw142 140 z1_zpnd_aspect = 1._wp / zpnd_aspect 143 141 z1_Tp = 1._wp / zTp … … 157 155 ! 158 156 ! available meltwater for melt ponding [m, >0] and fraction 159 zdv_mlt = -( dh_i_sum(ji)*rhoi c + dh_s_mlt(ji)*rhosn ) * z1_rhofw * a_i_1d(ji)157 zdv_mlt = -( dh_i_sum(ji)*rhoi + dh_s_mlt(ji)*rhos ) * r1_rhow * a_i_1d(ji) 160 158 zfr_mlt = zrmin + ( zrmax - zrmin ) * a_i_1d(ji) ! from CICE doc 161 159 !zfr_mlt = zrmin + zrmax * a_i_1d(ji) ! from Holland paper … … 168 166 ! melt pond mass flux (<0) 169 167 IF( ln_pnd_fwb .AND. zdv_mlt > 0._wp ) THEN 170 zfac = zfr_mlt * zdv_mlt * rho fw * r1_Dt_ice168 zfac = zfr_mlt * zdv_mlt * rhow * r1_Dt_ice 171 169 wfx_pnd_1d(ji) = wfx_pnd_1d(ji) - zfac 172 170 ! -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd_sal.F90
r9923 r9937 77 77 !--------------------------------------------------------- 78 78 IF( h_i_1d(ji) > 0._wp ) THEN 79 zs_sni = sss_1d(ji) * ( rhoi c - rhosn ) * r1_rhoic! Salinity of snow ice79 zs_sni = sss_1d(ji) * ( rhoi - rhos ) * r1_rhoi ! Salinity of snow ice 80 80 zs_i_si = ( zs_sni - s_i_1d(ji) ) * dh_snowice(ji) / h_i_1d(ji) ! snow-ice 81 81 zs_i_bg = ( s_i_new(ji) - s_i_1d(ji) ) * dh_i_bog (ji) / h_i_1d(ji) ! bottom growth … … 98 98 99 99 ! Salt flux 100 sfx_bri_1d(ji) = sfx_bri_1d(ji) - rhoi c* a_i_1d(ji) * h_i_1d(ji) * ( zs_i_fl + zs_i_gd ) * r1_Dt_ice100 sfx_bri_1d(ji) = sfx_bri_1d(ji) - rhoi * a_i_1d(ji) * h_i_1d(ji) * ( zs_i_fl + zs_i_gd ) * r1_Dt_ice 101 101 ENDIF 102 102 END DO -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icethd_zdf_bl99.F90
r9923 r9937 217 217 ! 218 218 DO ji = 1, npti 219 ztcond_i(ji,0) = rc dic+ zbeta * sz_i_1d(ji,1) / MIN( -epsi10, t_i_1d(ji,1) - rt0 )220 ztcond_i(ji,nlay_i) = rc dic+ zbeta * sz_i_1d(ji,nlay_i) / MIN( -epsi10, t_bo_1d(ji) - rt0 )219 ztcond_i(ji,0) = rcnd_i + zbeta * sz_i_1d(ji,1) / MIN( -epsi10, t_i_1d(ji,1) - rt0 ) 220 ztcond_i(ji,nlay_i) = rcnd_i + zbeta * sz_i_1d(ji,nlay_i) / MIN( -epsi10, t_bo_1d(ji) - rt0 ) 221 221 END DO 222 222 DO jk = 1, nlay_i-1 223 223 DO ji = 1, npti 224 ztcond_i(ji,jk) = rcdic + zbeta * 0.5_wp * ( sz_i_1d(ji,jk) + sz_i_1d(ji,jk+1) ) / & 225 & MIN( -epsi10, 0.5_wp * (t_i_1d(ji,jk) + t_i_1d(ji,jk+1)) - rt0 ) 224 !!gm faster coding 225 ztcond_i(ji,jk) = rcnd_i + zbeta * ( sz_i_1d(ji,jk) + sz_i_1d(ji,jk+1) ) & 226 & / MIN( t_i_1d (ji,jk) + t_i_1d (ji,jk+1) - 2._wp * rt0 , -epsi10 ) 227 !!gm old 228 ! ztcond_i(ji,jk) = rcnd_i + zbeta * 0.5_wp * ( sz_i_1d(ji,jk) + sz_i_1d(ji,jk+1) ) & 229 ! & / MIN( 0.5_wp * (t_i_1d(ji,jk) + t_i_1d(ji,jk+1)) - rt0 , -epsi10 ) 230 !!gm 226 231 END DO 227 232 END DO … … 230 235 ! 231 236 DO ji = 1, npti 232 ztcond_i(ji,0) = rc dic+ 0.09_wp * sz_i_1d(ji,1) / MIN( -epsi10, t_i_1d(ji,1) - rt0 ) &233 & - 0.011_wp * ( t_i_1d(ji,1) - rt0 )234 ztcond_i(ji,nlay_i) = rc dic+ 0.09_wp * sz_i_1d(ji,nlay_i) / MIN( -epsi10, t_bo_1d(ji) - rt0 ) &235 & - 0.011_wp * ( t_bo_1d(ji) - rt0 )237 ztcond_i(ji,0) = rcnd_i + 0.09_wp * sz_i_1d(ji,1) / MIN( -epsi10, t_i_1d(ji,1) - rt0 ) & 238 & - 0.011_wp * ( t_i_1d(ji,1) - rt0 ) 239 ztcond_i(ji,nlay_i) = rcnd_i + 0.09_wp * sz_i_1d(ji,nlay_i) / MIN( -epsi10, t_bo_1d(ji) - rt0 ) & 240 & - 0.011_wp * ( t_bo_1d(ji) - rt0 ) 236 241 END DO 237 242 DO jk = 1, nlay_i-1 238 243 DO ji = 1, npti 239 ztcond_i(ji,jk) = rcdic + 0.09_wp * 0.5_wp * ( sz_i_1d(ji,jk) + sz_i_1d(ji,jk+1) ) / & 240 & MIN( -epsi10, 0.5_wp * ( t_i_1d (ji,jk) + t_i_1d (ji,jk+1) ) - rt0 ) & 241 & - 0.011_wp * ( 0.5_wp * ( t_i_1d (ji,jk) + t_i_1d (ji,jk+1) ) - rt0 ) 244 !!gm faster coding 245 zfac = t_i_1d (ji,jk) + t_i_1d (ji,jk+1) - 2._wp * rt0 246 ztcond_i(ji,jk) = rcnd_i + 0.09_wp * ( sz_i_1d(ji,jk) + sz_i_1d(ji,jk+1) ) / MIN( -epsi10, zfac ) & 247 & - 0.0055_wp * zfac !NB: 0.0055 = 1/2 * 0.011 248 !!gm old 249 ! ztcond_i(ji,jk) = rcnd_i + 0.09_wp * 0.5_wp * ( sz_i_1d(ji,jk) + sz_i_1d(ji,jk+1) ) / & 250 ! & MIN( -epsi10, 0.5_wp * ( t_i_1d (ji,jk) + t_i_1d (ji,jk+1) ) - rt0 ) & 251 ! & - 0.011_wp * ( 0.5_wp * ( t_i_1d (ji,jk) + t_i_1d (ji,jk+1) ) - rt0 ) 252 !!gm 242 253 END DO 243 254 END DO … … 299 310 DO jk = 1, nlay_i 300 311 DO ji = 1, npti 301 zcpi = cpic+ zgamma * sz_i_1d(ji,jk) / MAX( ( t_i_1d(ji,jk) - rt0 ) * ( ztiold(ji,jk) - rt0 ), epsi10 )302 zeta_i(ji,jk) = rdt_ice * r1_rhoi c* z1_h_i(ji) / MAX( epsi10, zcpi )312 zcpi = rcpi + zgamma * sz_i_1d(ji,jk) / MAX( ( t_i_1d(ji,jk) - rt0 ) * ( ztiold(ji,jk) - rt0 ), epsi10 ) 313 zeta_i(ji,jk) = rdt_ice * r1_rhoi * z1_h_i(ji) / MAX( epsi10, zcpi ) 303 314 END DO 304 315 END DO … … 306 317 DO jk = 1, nlay_s 307 318 DO ji = 1, npti 308 zeta_s(ji,jk) = rdt_ice * r1_rhos n * r1_cpic* z1_h_s(ji)319 zeta_s(ji,jk) = rdt_ice * r1_rhos * r1_cpi * z1_h_s(ji) 309 320 END DO 310 321 END DO -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/iceupdate.F90
r9923 r9937 172 172 snwice_mass_b(ji,jj) = snwice_mass(ji,jj) ! save mass from the previous ice time step 173 173 ! ! new mass per unit area 174 snwice_mass (ji,jj) = tmask(ji,jj,1) * ( rhos n * vt_s(ji,jj) + rhoic* vt_i(ji,jj) )174 snwice_mass (ji,jj) = tmask(ji,jj,1) * ( rhos * vt_s(ji,jj) + rhoi * vt_i(ji,jj) ) 175 175 ! ! time evolution of snow+ice mass 176 176 snwice_fmass (ji,jj) = ( snwice_mass(ji,jj) - snwice_mass_b(ji,jj) ) * r1_Dt_ice … … 432 432 ELSE ! start from rest 433 433 IF(lwp) WRITE(numout,*) ' ==>> previous run without snow-ice mass output then set it' 434 snwice_mass (:,:) = tmask(:,:,1) * ( rhos n * vt_s(:,:) + rhoic* vt_i(:,:) )434 snwice_mass (:,:) = tmask(:,:,1) * ( rhos * vt_s(:,:) + rhoi * vt_i(:,:) ) 435 435 snwice_mass_b(:,:) = snwice_mass(:,:) 436 436 ENDIF 437 437 ELSE !* Start from rest 438 438 IF(lwp) WRITE(numout,*) ' ==>> start from rest: set the snow-ice mass' 439 snwice_mass (:,:) = tmask(:,:,1) * ( rhos n * vt_s(:,:) + rhoic* vt_i(:,:) )439 snwice_mass (:,:) = tmask(:,:,1) * ( rhos * vt_s(:,:) + rhoi * vt_i(:,:) ) 440 440 snwice_mass_b(:,:) = snwice_mass(:,:) 441 441 ENDIF -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icevar.F90
r9923 r9937 228 228 ztmelts = - sz_i(ji,jj,jk,jl) * tmut ! Ice layer melt temperature [C] 229 229 ! Conversion q(S,T) -> T (second order equation) 230 zbbb = ( rcp - cpic ) * ztmelts + ze_i * r1_rhoic - lfus231 zccc = SQRT( MAX( zbbb * zbbb - 4._wp * cpic * lfus * ztmelts , 0._wp) )232 t_i(ji,jj,jk,jl) = MAX( -100._wp , MIN( -( zbbb + zccc ) * 0.5_wp * r1_cpi c, ztmelts ) ) + rt0 ! [K] with bounds: -100 < t_i < ztmelts230 zbbb = ( rcp - rcpi ) * ztmelts + ze_i * r1_rhoi - rLfus 231 zccc = SQRT( MAX( zbbb * zbbb - 4._wp * rcpi * rLfus * ztmelts , 0._wp) ) 232 t_i(ji,jj,jk,jl) = MAX( -100._wp , MIN( -( zbbb + zccc ) * 0.5_wp * r1_cpi , ztmelts ) ) + rt0 ! [K] with bounds: -100 < t_i < ztmelts 233 233 ! 234 234 ELSE !--- no ice … … 247 247 WHERE( v_s(:,:,:) > epsi20 ) !--- icy area 248 248 t_s(:,:,jk,:) = rt0 + MAX( -100._wp , & 249 & MIN( r1_cpi c * ( -r1_rhosn * ( e_s(:,:,jk,:) / v_s(:,:,:) * zlay_s ) + lfus ) , 0._wp ) )249 & MIN( r1_cpi * ( -r1_rhos * ( e_s(:,:,jk,:) / v_s(:,:,:) * zlay_s ) + rLfus ) , 0._wp ) ) 250 250 ELSEWHERE !--- no ice 251 251 t_s(:,:,jk,:) = rt0 … … 498 498 DO ji = 1 , jpi 499 499 ! update exchanges with ocean 500 sfx_res(ji,jj) = sfx_res(ji,jj) + (1._wp - zswitch(ji,jj) ) * sv_i(ji,jj,jl) * rhoi c* r1_Dt_ice501 wfx_res(ji,jj) = wfx_res(ji,jj) + (1._wp - zswitch(ji,jj) ) * v_i (ji,jj,jl) * rhoi c* r1_Dt_ice502 wfx_res(ji,jj) = wfx_res(ji,jj) + (1._wp - zswitch(ji,jj) ) * v_s (ji,jj,jl) * rhos n* r1_Dt_ice500 sfx_res(ji,jj) = sfx_res(ji,jj) + (1._wp - zswitch(ji,jj) ) * sv_i(ji,jj,jl) * rhoi * r1_Dt_ice 501 wfx_res(ji,jj) = wfx_res(ji,jj) + (1._wp - zswitch(ji,jj) ) * v_i (ji,jj,jl) * rhoi * r1_Dt_ice 502 wfx_res(ji,jj) = wfx_res(ji,jj) + (1._wp - zswitch(ji,jj) ) * v_s (ji,jj,jl) * rhos * r1_Dt_ice 503 503 ! 504 504 !----------------------------------------------------------------- … … 669 669 ! In case snow load is in excess that would lead to transformation from snow to ice 670 670 ! Then, transfer the snow excess into the ice (different from icethd_dh) 671 zdh = MAX( 0._wp, ( rhos n * zh_s(ji,jl) + ( rhoic- rho0 ) * zh_i(ji,jl) ) * r1_rho0 )671 zdh = MAX( 0._wp, ( rhos * zh_s(ji,jl) + ( rhoi - rho0 ) * zh_i(ji,jl) ) * r1_rho0 ) 672 672 ! recompute h_i, h_s avoiding out of bounds values 673 673 zh_i(ji,jl) = MIN( hi_max(jl), zh_i(ji,jl) + zdh ) 674 zh_s(ji,jl) = MAX( 0._wp, zh_s(ji,jl) - zdh * rhoi c * r1_rhosn)674 zh_s(ji,jl) = MAX( 0._wp, zh_s(ji,jl) - zdh * rhoi * r1_rhos ) 675 675 ENDIF 676 676 END DO … … 854 854 ztmelts = - tmut * sz_i_1d(ji,jk) 855 855 t_i_1d(ji,jk) = MIN( t_i_1d(ji,jk), ztmelts + rt0 ) ! Force t_i_1d to be lower than melting point 856 857 e_i_1d(ji,jk) = rhoi c * ( cpic* ( ztmelts - ( t_i_1d(ji,jk) - rt0 ) ) &858 & + lfus * ( 1._wp - ztmelts / ( t_i_1d(ji,jk) - rt0 ) ) &859 & - rcp* ztmelts )856 ! ! (sometimes zdf scheme produces abnormally high temperatures) 857 e_i_1d(ji,jk) = rhoi * ( rcpi * ( ztmelts - ( t_i_1d(ji,jk) - rt0 ) ) & 858 & + rLfus * ( 1._wp - ztmelts / ( t_i_1d(ji,jk) - rt0 ) ) & 859 & - rcp * ztmelts ) 860 860 END DO 861 861 END DO 862 862 DO jk = 1, nlay_s ! Snow energy of melting 863 863 DO ji = 1, npti 864 e_s_1d(ji,jk) = rhos n * ( cpic * ( rt0 - t_s_1d(ji,jk) ) + lfus )864 e_s_1d(ji,jk) = rhos * ( rcpi * ( rt0 - t_s_1d(ji,jk) ) + rLfus ) 865 865 END DO 866 866 END DO -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/ICE/icewri.F90
r9923 r9937 85 85 ! Standard outputs 86 86 !----------------- 87 zrho1 = ( rho0 - rhoi c ) * r1_rho0 ; zrho2 = rhosn* r1_rho087 zrho1 = ( rho0 - rhoi ) * r1_rho0 ; zrho2 = rhos * r1_rho0 88 88 ! masks 89 89 IF( iom_use('icemask' ) ) CALL iom_put( "icemask" , zmsk00 ) ! ice mask 0% … … 92 92 ! 93 93 ! general fields 94 IF( iom_use('icemass' ) ) CALL iom_put( "icemass", rhoi c * vt_i * zmsk00) ! Ice mass per cell area95 IF( iom_use('snwmass' ) ) CALL iom_put( "snwmass", rhos n * vt_s * zmsksn) ! Snow mass per cell area94 IF( iom_use('icemass' ) ) CALL iom_put( "icemass", rhoi * vt_i * zmsk00 ) ! Ice mass per cell area 95 IF( iom_use('snwmass' ) ) CALL iom_put( "snwmass", rhos * vt_s * zmsksn ) ! Snow mass per cell area 96 96 IF( iom_use('icepres' ) ) CALL iom_put( "icepres", zmsk00 ) ! Ice presence (1 or 0) 97 97 IF( iom_use('iceconc' ) ) CALL iom_put( "iceconc", at_i * zmsk00 ) ! ice concentration … … 104 104 IF( iom_use('snwvolu' ) ) CALL iom_put( "snwvolu", vt_s * zmsksn ) ! snow volume 105 105 IF( iom_use('icefrb') ) THEN 106 !!gm remove the WHERE by using : 107 !! z2d(:,:) = MAX( zrho1 * hm_i(:,:) - zrho2 * hm_s(:,:) , 0._wp ) 108 !!gm end 106 109 z2d(:,:) = ( zrho1 * hm_i(:,:) - zrho2 * hm_s(:,:) ) 107 110 WHERE( z2d < 0._wp ) z2d = 0._wp … … 115 118 ! salt 116 119 IF( iom_use('icesalt' ) ) CALL iom_put( "icesalt", sm_i * zmsk00 ) ! mean ice salinity 117 IF( iom_use('icesalm' ) ) CALL iom_put( "icesalm", SUM( sv_i, DIM = 3 ) * rhoi c* 1.0e-3 * zmsk00 ) ! Mass of salt in sea ice per cell area120 IF( iom_use('icesalm' ) ) CALL iom_put( "icesalm", SUM( sv_i, DIM = 3 ) * rhoi * 1.0e-3 * zmsk00 ) ! Mass of salt in sea ice per cell area 118 121 119 122 ! heat … … 164 167 ! trends 165 168 IF( iom_use('dmithd') ) CALL iom_put( "dmithd", - wfx_bog - wfx_bom - wfx_sum - wfx_sni - wfx_opw - wfx_lam - wfx_res ) ! Sea-ice mass change from thermodynamics 166 IF( iom_use('dmidyn') ) CALL iom_put( "dmidyn", - wfx_dyn + rhoi c * diag_trp_vi) ! Sea-ice mass change from dynamics(kg/m2/s)169 IF( iom_use('dmidyn') ) CALL iom_put( "dmidyn", - wfx_dyn + rhoi * diag_trp_vi ) ! Sea-ice mass change from dynamics(kg/m2/s) 167 170 IF( iom_use('dmiopw') ) CALL iom_put( "dmiopw", - wfx_opw ) ! Sea-ice mass change through growth in open water 168 171 IF( iom_use('dmibog') ) CALL iom_put( "dmibog", - wfx_bog ) ! Sea-ice mass change through basal growth … … 174 177 IF( iom_use('dmisub') ) CALL iom_put( "dmisub", - wfx_ice_sub ) ! Sea-ice mass change through sublimation 175 178 IF( iom_use('dmsspr') ) CALL iom_put( "dmsspr", - wfx_spr ) ! Snow mass change through snow fall 176 IF( iom_use('dmsssi') ) CALL iom_put( "dmsssi", wfx_sni*rhos n*r1_rhoic) ! Snow mass change through snow-to-ice conversion179 IF( iom_use('dmsssi') ) CALL iom_put( "dmsssi", wfx_sni*rhos*r1_rhoi ) ! Snow mass change through snow-to-ice conversion 177 180 IF( iom_use('dmsmel') ) CALL iom_put( "dmsmel", - wfx_snw_sum ) ! Snow mass change through melt 178 IF( iom_use('dmsdyn') ) CALL iom_put( "dmsdyn", - wfx_snw_dyn + rhos n * diag_trp_vs) ! Snow mass change through dynamics(kg/m2/s)181 IF( iom_use('dmsdyn') ) CALL iom_put( "dmsdyn", - wfx_snw_dyn + rhos * diag_trp_vs ) ! Snow mass change through dynamics(kg/m2/s) 179 182 180 183 ! Global ice diagnostics -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/BDY/bdyice.F90
r9923 r9937 124 124 125 125 ! Then, a) transfer the snow excess into the ice (different from icethd_dh) 126 zdh = MAX( 0._wp, ( rhos n * h_s(ji,jj,jl) + ( rhoic- rho0 ) * h_i(ji,jj,jl) ) * r1_rho0 )126 zdh = MAX( 0._wp, ( rhos * h_s(ji,jj,jl) + ( rhoi - rho0 ) * h_i(ji,jj,jl) ) * r1_rho0 ) 127 127 ! Or, b) transfer all the snow into ice (if incoming ice is likely to melt as it comes into a warmer environment) 128 !zdh = MAX( 0._wp, h_s(ji,jj,jl) * rhos n / rhoic)128 !zdh = MAX( 0._wp, h_s(ji,jj,jl) * rhos / rhoi ) 129 129 130 130 ! recompute h_i, h_s 131 131 h_i(ji,jj,jl) = MIN( hi_max(jl), h_i(ji,jj,jl) + zdh ) 132 h_s(ji,jj,jl) = MAX( 0._wp, h_s(ji,jj,jl) - zdh * rhoi c / rhosn)133 134 END DO132 h_s(ji,jj,jl) = MAX( 0._wp, h_s(ji,jj,jl) - zdh * rhoi / rhos ) 133 134 END DO 135 135 CALL lbc_bdy_lnk( a_i(:,:,jl), 'T', 1., ib_bdy ) 136 136 CALL lbc_bdy_lnk( h_i(:,:,jl), 'T', 1., ib_bdy ) 137 137 CALL lbc_bdy_lnk( h_s(:,:,jl), 'T', 1., ib_bdy ) 138 END DO138 END DO 139 139 ! retrieve at_i 140 140 at_i(:,:) = 0._wp … … 212 212 DO jk = 1, nlay_s 213 213 ! Snow energy of melting 214 e_s(ji,jj,jk,jl) = rswitch * rhos n * ( cpic * ( rt0 - t_s(ji,jj,jk,jl) ) + lfus )214 e_s(ji,jj,jk,jl) = rswitch * rhos * ( rcpi * ( rt0 - t_s(ji,jj,jk,jl) ) + rLfus ) 215 215 ! Multiply by volume, so that heat content in J/m2 216 216 e_s(ji,jj,jk,jl) = e_s(ji,jj,jk,jl) * v_s(ji,jj,jl) * r1_nlay_s … … 219 219 ztmelts = - tmut * sz_i(ji,jj,jk,jl) + rt0 !Melting temperature in K 220 220 ! heat content per unit volume 221 e_i(ji,jj,jk,jl) = rswitch * rhoi c* &222 ( cpic* ( ztmelts - t_i(ji,jj,jk,jl) ) &223 + lfus* ( 1.0 - (ztmelts-rt0) / MIN((t_i(ji,jj,jk,jl)-rt0),-epsi20) ) &224 - rcp* ( ztmelts - rt0 ) )221 e_i(ji,jj,jk,jl) = rswitch * rhoi * & 222 ( rcpi * ( ztmelts - t_i(ji,jj,jk,jl) ) & 223 + rLfus * ( 1.0 - (ztmelts-rt0) / MIN((t_i(ji,jj,jk,jl)-rt0),-epsi20) ) & 224 - rcp * ( ztmelts - rt0 ) ) 225 225 ! Mutliply by ice volume, and divide by number of layers to get heat content in J/m2 226 226 e_i(ji,jj,jk,jl) = e_i(ji,jj,jk,jl) * a_i(ji,jj,jl) * h_i(ji,jj,jl) * r1_nlay_i -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/DOM/phycst.F90
r9923 r9937 34 34 REAL(wp), PUBLIC :: rhhmm = 60._wp !: number of minutes in one hour 35 35 REAL(wp), PUBLIC :: rmmss = 60._wp !: number of seconds in one minute 36 REAL(wp), PUBLIC :: omega !: earth rotation parameter [s-1]37 REAL(wp), PUBLIC :: ra = 6371229._wp !: earth radius [m]38 REAL(wp), PUBLIC :: grav = 9.80665_wp !: gravity [m/s2]36 REAL(wp), PUBLIC :: omega !: earth rotation parameter [s-1] 37 REAL(wp), PUBLIC :: ra = 6371229._wp !: earth radius [m] 38 REAL(wp), PUBLIC :: grav = 9.80665_wp !: gravity [m/s2] 39 39 40 REAL(wp), PUBLIC :: rtt = 273.16_wp !: triple point of temperature [Kelvin] 41 REAL(wp), PUBLIC :: rt0 = 273.15_wp !: freezing point of fresh water [Kelvin] 42 REAL(wp), PUBLIC :: rt0_snow = 273.15_wp !: melting point of snow [Kelvin] 43 #if defined key_si3 44 REAL(wp), PUBLIC :: rt0_ice = 273.15_wp !: melting point of ice [Kelvin] 45 #else 46 REAL(wp), PUBLIC :: rt0_ice = 273.05_wp !: melting point of ice [Kelvin] 47 #endif 48 REAL(wp), PUBLIC :: rho0 !: volumic mass of reference [kg/m3] 49 REAL(wp), PUBLIC :: r1_rho0 !: = 1. / rho0 [m3/kg] 50 REAL(wp), PUBLIC :: rcp !: ocean specific heat [J/Kelvin] 51 REAL(wp), PUBLIC :: r1_rcp !: = 1. / rcp [Kelvin/J] 40 REAL(wp), PUBLIC :: rt0 = 273.15_wp !: freezing point of fresh water [Kelvin] 41 REAL(wp), PUBLIC :: rho0 !: volumic mass of reference [kg/m3] 42 REAL(wp), PUBLIC :: r1_rho0 !: = 1. / rho0 [m3/kg] 43 REAL(wp), PUBLIC :: rcp !: ocean specific heat [J/Kelvin] 44 REAL(wp), PUBLIC :: r1_rcp !: = 1. / rcp [Kelvin/J] 52 45 REAL(wp), PUBLIC :: rho0_rcp !: = rho0 * rcp 53 46 REAL(wp), PUBLIC :: r1_rho0_rcp !: = 1. / ( rho0 * rcp ) 54 47 55 REAL(wp), PUBLIC :: rhosn = 330._wp !: volumic mass of snow [kg/m3] 56 REAL(wp), PUBLIC :: rhofw = 1000._wp !: volumic mass of freshwater in melt ponds [kg/m3] 48 REAL(wp), PUBLIC :: rhoi = 917._wp !: sea ice density [kg/m3] 49 REAL(wp), PUBLIC :: rhos = 330._wp !: snow density [kg/m3] 50 REAL(wp), PUBLIC :: rhow = 1000._wp !: water density (in melt ponds) [kg/m3] 51 REAL(wp), PUBLIC :: rcnd_i = 2.034396_wp !: thermal conductivity of fresh ice [W/m/K] 52 REAL(wp), PUBLIC :: rcpi = 2067.0_wp !: specific heat of fresh ice [J/kg/K] 53 REAL(wp), PUBLIC :: rLsub = 2.834e+6_wp !: pure ice latent heat of sublimation [J/kg] 54 REAL(wp), PUBLIC :: rLfus = 0.334e+6_wp !: latent heat of fusion of fresh ice [J/kg] 55 REAL(wp), PUBLIC :: tmut = 0.054_wp !: decrease of seawater meltpoint with salinity 57 56 REAL(wp), PUBLIC :: emic = 0.97_wp !: emissivity of snow or ice 58 REAL(wp), PUBLIC :: sice = 6.0_wp !: salinity of ice [psu] 59 REAL(wp), PUBLIC :: soce = 34.7_wp !: salinity of sea [psu] 60 REAL(wp), PUBLIC :: cevap = 2.5e+6_wp !: latent heat of evaporation (water) 61 REAL(wp), PUBLIC :: srgamma = 0.9_wp !: correction factor for solar radiation (Oberhuber, 1974) 57 REAL(wp), PUBLIC :: sice = 6.0_wp !: salinity of ice [psu] 58 REAL(wp), PUBLIC :: soce = 34.7_wp !: salinity of sea [psu] 62 59 REAL(wp), PUBLIC :: vkarmn = 0.4_wp !: von Karman constant 63 60 REAL(wp), PUBLIC :: stefan = 5.67e-8_wp !: Stefan-Boltzmann constant 64 61 65 #if defined key_si3 || defined key_cice 66 REAL(wp), PUBLIC :: rhoic = 917._wp !: volumic mass of sea ice [kg/m3] 67 REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: thermal conductivity of fresh ice [W/m/K] 68 REAL(wp), PUBLIC :: cpic = 2067.0_wp !: specific heat of fresh ice [J/kg/K] 69 REAL(wp), PUBLIC :: lsub = 2.834e+6_wp !: pure ice latent heat of sublimation [J/kg] 70 REAL(wp), PUBLIC :: lfus = 0.334e+6_wp !: latent heat of fusion of fresh ice [J/kg] 71 REAL(wp), PUBLIC :: tmut = 0.054_wp !: decrease of seawater meltpoint with salinity 72 REAL(wp), PUBLIC :: xlsn !: = lfus*rhosn (volumetric latent heat fusion of snow) [J/m3] 73 #else 74 REAL(wp), PUBLIC :: rhoic = 900._wp !: volumic mass of sea ice [kg/m3] 75 REAL(wp), PUBLIC :: rcdic = 2.034396_wp !: conductivity of the ice [W/m/K] 76 REAL(wp), PUBLIC :: rcpic = 1.8837e+6_wp !: volumetric specific heat for ice [J/m3/K] 77 REAL(wp), PUBLIC :: cpic !: = rcpic / rhoic (specific heat for ice) [J/Kg/K] 78 REAL(wp), PUBLIC :: rcdsn = 0.22_wp !: conductivity of the snow [W/m/K] 79 REAL(wp), PUBLIC :: rcpsn = 6.9069e+5_wp !: volumetric specific heat for snow [J/m3/K] 80 REAL(wp), PUBLIC :: xlsn = 110.121e+6_wp !: volumetric latent heat fusion of snow [J/m3] 81 REAL(wp), PUBLIC :: lfus !: = xlsn / rhosn (latent heat of fusion of fresh ice) [J/Kg] 82 REAL(wp), PUBLIC :: xlic = 300.33e+6_wp !: volumetric latent heat fusion of ice [J/m3] 83 REAL(wp), PUBLIC :: xsn = 2.8e+6_wp !: volumetric latent heat of sublimation of snow [J/m3] 84 #endif 85 #if defined key_cice 86 REAL(wp), PUBLIC :: rcdsn = 0.31_wp !: thermal conductivity of snow [W/m/K] 87 #endif 88 #if defined key_si3 89 REAL(wp), PUBLIC :: r1_rhoic !: 1 / rhoic 90 REAL(wp), PUBLIC :: r1_rhosn !: 1 / rhosn 91 REAL(wp), PUBLIC :: r1_cpic !: 1 / cpic 92 #endif 62 REAL(wp), PUBLIC :: r1_rhoi !: 1 / rhoi 63 REAL(wp), PUBLIC :: r1_rhos !: 1 / rhos 64 REAL(wp), PUBLIC :: r1_rhow !: 1 / rhow 65 REAL(wp), PUBLIC :: r1_cpi !: 1 / rcpi 66 REAL(wp), PUBLIC :: r1_Lsub !: 1 / rLsub 67 REAL(wp), PUBLIC :: r1_Lfus !: 1 / rLfus 68 93 69 !!---------------------------------------------------------------------- 94 70 !! NEMO/OCE 4.0 , NEMO Consortium (2018) … … 105 81 !! ** Purpose : set and print the constants 106 82 !!---------------------------------------------------------------------- 107 83 ! 108 84 IF(lwp) WRITE(numout,*) 109 85 IF(lwp) WRITE(numout,*) 'phy_cst : initialization of ocean parameters and constants' 110 86 IF(lwp) WRITE(numout,*) '~~~~~~~' 111 87 112 ! Define & print constants 113 ! ------------------------ 114 IF(lwp) WRITE(numout,*) 115 IF(lwp) WRITE(numout,*) ' Constants' 116 117 IF(lwp) WRITE(numout,*) 118 IF(lwp) WRITE(numout,*) ' mathematical constant rpi = ', rpi 88 ! !== Define derived constant ==! 119 89 120 90 rsiyea = 365.25_wp * rday * 2._wp * rpi / 6.283076_wp … … 125 95 omega = 2._wp * rpi / rsiday 126 96 #endif 127 IF(lwp) WRITE(numout,*) 128 IF(lwp) WRITE(numout,*) ' day rday = ', rday, ' s' 129 IF(lwp) WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' 130 IF(lwp) WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' 131 IF(lwp) WRITE(numout,*) ' omega omega = ', omega, ' s^-1' 132 IF(lwp) WRITE(numout,*) 133 IF(lwp) WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' 134 IF(lwp) WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' 135 IF(lwp) WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' 136 IF(lwp) WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' 137 IF(lwp) WRITE(numout,*) 138 IF(lwp) WRITE(numout,*) ' earth radius ra = ', ra, ' m' 139 IF(lwp) WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' 140 IF(lwp) WRITE(numout,*) 141 IF(lwp) WRITE(numout,*) ' triple point of temperature rtt = ', rtt , ' K' 142 IF(lwp) WRITE(numout,*) ' freezing point of water rt0 = ', rt0 , ' K' 143 IF(lwp) WRITE(numout,*) ' melting point of snow rt0_snow = ', rt0_snow, ' K' 144 IF(lwp) WRITE(numout,*) ' melting point of ice rt0_ice = ', rt0_ice , ' K' 145 IF(lwp) WRITE(numout,*) 146 IF(lwp) WRITE(numout,*) ' reference density and heat capacity now defined in eosbn2.f90' 147 148 #if defined key_si3 || defined key_cice 149 xlsn = lfus * rhosn ! volumetric latent heat fusion of snow [J/m3] 150 #else 151 cpic = rcpic / rhoic ! specific heat for ice [J/Kg/K] 152 lfus = xlsn / rhosn ! latent heat of fusion of fresh ice 153 #endif 154 #if defined key_si3 155 r1_rhoic = 1._wp / rhoic 156 r1_rhosn = 1._wp / rhosn 157 r1_cpic = 1._wp / cpic 158 #endif 159 IF(lwp) THEN 97 98 r1_rhoi = 1._wp / rhoi 99 r1_rhos = 1._wp / rhos 100 r1_cpi = 1._wp / rcpi 101 r1_Lsub = 1._wp / rLsub 102 r1_Lfus = 1._wp / rLfus 103 104 IF(lwp) THEN !== print constants ==! 160 105 WRITE(numout,*) 161 #if defined key_cice 162 WRITE(numout,*) ' thermal conductivity of the snow = ', rcdsn , ' J/s/m/K' 163 #endif 164 WRITE(numout,*) ' thermal conductivity of pure ice = ', rcdic , ' J/s/m/K' 165 WRITE(numout,*) ' fresh ice specific heat = ', cpic , ' J/kg/K' 166 WRITE(numout,*) ' latent heat of fusion of fresh ice / snow = ', lfus , ' J/kg' 167 #if defined key_si3 || defined key_cice 168 WRITE(numout,*) ' latent heat of subl. of fresh ice / snow = ', lsub , ' J/kg' 169 #else 170 WRITE(numout,*) ' density times specific heat for snow = ', rcpsn , ' J/m^3/K' 171 WRITE(numout,*) ' density times specific heat for ice = ', rcpic , ' J/m^3/K' 172 WRITE(numout,*) ' volumetric latent heat fusion of sea ice = ', xlic , ' J/m' 173 WRITE(numout,*) ' latent heat of sublimation of snow = ', xsn , ' J/kg' 174 #endif 175 WRITE(numout,*) ' volumetric latent heat fusion of snow = ', xlsn , ' J/m^3' 176 WRITE(numout,*) ' density of sea ice = ', rhoic , ' kg/m^3' 177 WRITE(numout,*) ' density of snow = ', rhosn , ' kg/m^3' 178 WRITE(numout,*) ' density of freshwater (in melt ponds) = ', rhofw , ' kg/m^3' 179 WRITE(numout,*) ' emissivity of snow or ice = ', emic 180 WRITE(numout,*) ' salinity of ice = ', sice , ' psu' 181 WRITE(numout,*) ' salinity of sea = ', soce , ' psu' 182 WRITE(numout,*) ' latent heat of evaporation (water) = ', cevap , ' J/m^3' 183 WRITE(numout,*) ' correction factor for solar radiation = ', srgamma 184 WRITE(numout,*) ' von Karman constant = ', vkarmn 185 WRITE(numout,*) ' Stefan-Boltzmann constant = ', stefan , ' J/s/m^2/K^4' 106 WRITE(numout,*) ' Constants' 186 107 WRITE(numout,*) 187 WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad 108 WRITE(numout,*) ' mathematical constant rpi = ', rpi 109 WRITE(numout,*) ' conversion: degre ==> radian rad = ', rad 188 110 WRITE(numout,*) 189 WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall 111 WRITE(numout,*) ' day in seconds rday = ', rday , ' s' 112 WRITE(numout,*) ' sideral year rsiyea = ', rsiyea, ' s' 113 WRITE(numout,*) ' sideral day rsiday = ', rsiday, ' s' 114 WRITE(numout,*) ' omega = 2 pi / rsiday omega = ', omega , ' s^-1' 115 WRITE(numout,*) ' earth radius ra = ', ra , ' m' 116 WRITE(numout,*) ' gravity grav = ', grav , ' m/s^2' 117 WRITE(numout,*) 118 WRITE(numout,*) ' nb of months per year raamo = ', raamo, ' months' 119 WRITE(numout,*) ' nb of hours per day rjjhh = ', rjjhh, ' hours' 120 WRITE(numout,*) ' nb of minutes per hour rhhmm = ', rhhmm, ' mn' 121 WRITE(numout,*) ' nb of seconds per minute rmmss = ', rmmss, ' s' 122 WRITE(numout,*) 123 WRITE(numout,*) ' reference ocean density and heat capacity now defined in eosbn2.f90' 124 WRITE(numout,*) 125 WRITE(numout,*) ' freezing point of freshwater rt0 = ', rt0 , ' K' 126 WRITE(numout,*) ' sea ice density rhoi = ', rhoi , ' kg/m^3' 127 WRITE(numout,*) ' snow density rhos = ', rhos , ' kg/m^3' 128 WRITE(numout,*) ' freshwater density (in melt ponds) rhow = ', rhow , ' kg/m^3' 129 WRITE(numout,*) ' thermal conductivity of pure ice rcnd_i = ', rcnd_i, ' J/s/m/K' 130 WRITE(numout,*) ' fresh ice specific heat rcpi = ', rcpi , ' J/kg/K' 131 WRITE(numout,*) ' latent heat of fusion of fresh ice / snow rLfus = ', rLfus , ' J/kg' 132 WRITE(numout,*) ' latent heat of subl. of fresh ice / snow rLsub = ', rLsub , ' J/kg' 133 WRITE(numout,*) ' emissivity of snow or ice emic = ', emic 134 WRITE(numout,*) ' salinity of ice sice = ', sice , ' psu' 135 WRITE(numout,*) ' salinity of sea soce = ', soce , ' psu' 136 WRITE(numout,*) ' von Karman constant vkarmn = ', vkarmn 137 WRITE(numout,*) ' Stefan-Boltzmann constant stefan = ', stefan, ' J/s/m^2/K^4' 138 WRITE(numout,*) 139 WRITE(numout,*) 140 WRITE(numout,*) ' smallest real computer value rsmall = ', rsmall 190 141 ENDIF 191 142 ! 192 143 END SUBROUTINE phy_cst 193 144 -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/SBC/sbcblk.F90
r9923 r9937 504 504 ENDIF 505 505 506 zqla(:,:) = L_vap( zst(:,:)) * zevap(:,:) ! Latent Heat flux506 zqla(:,:) = L_vap( zst(:,:) ) * zevap(:,:) ! Latent Heat flux 507 507 508 508 … … 526 526 ! 527 527 qns(:,:) = zqlw(:,:) - zqsb(:,:) - zqla(:,:) & ! Downward Non Solar 528 & - sf(jp_snow)%fnow(:,:,1) * rn_pfac * lfus& ! remove latent melting heat for solid precip528 & - sf(jp_snow)%fnow(:,:,1) * rn_pfac * rLfus & ! remove latent melting heat for solid precip 529 529 & - zevap(:,:) * pst(:,:) * rcp & ! remove evap heat content at SST 530 530 & + ( sf(jp_prec)%fnow(:,:,1) - sf(jp_snow)%fnow(:,:,1) ) * rn_pfac & ! add liquid precip heat content at Tair 531 531 & * ( sf(jp_tair)%fnow(:,:,1) - rt0 ) * rcp & 532 532 & + sf(jp_snow)%fnow(:,:,1) * rn_pfac & ! add solid precip heat content at min(Tair,Tsnow) 533 & * ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 _snow ) - rt0 ) * cpic533 & * ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 ) - rt0 ) * rcpi 534 534 qns(:,:) = qns(:,:) * tmask(:,:,1) 535 535 ! … … 643 643 !! ** Purpose : Compute the moist adiabatic lapse-rate. 644 644 !! => http://glossary.ametsoc.org/wiki/Moist-adiabatic_lapse_rate 645 !! => http://www.geog.ucsb.edu/~joel/g266_s10/lecture_notes/chapt03/oh10_3_01/oh10_3_01.html646 645 !! 647 646 !! ** Author: L. Brodeau, june 2016 / AeroBulk (https://sourceforge.net/p/aerobulk) … … 652 651 ! 653 652 INTEGER :: ji, jj ! dummy loop indices 654 REAL(wp) :: zrv, ziRT ! local scalar 653 REAL(wp) :: zrv, ziRT ! local scalar 654 REAL(wp) :: zLv = 2.5e+6_wp ! latent heat of vaporisation 655 655 !!---------------------------------------------------------------------------------- 656 656 ! … … 659 659 zrv = pqa(ji,jj) / (1. - pqa(ji,jj)) 660 660 ziRT = 1. / (R_dry*ptak(ji,jj)) ! 1/RT 661 gamma_moist(ji,jj) = grav * ( 1. + cevap*zrv*ziRT ) / ( Cp_dry + cevap*cevap*zrv*reps0*ziRT/ptak(ji,jj) )661 gamma_moist(ji,jj) = grav * ( 1. + zLv*zrv*ziRT ) / ( Cp_dry + zLv*zLv*zrv*reps0*ziRT/ptak(ji,jj) ) 662 662 END DO 663 663 END DO … … 792 792 REAL(wp) :: zst3 ! local variable 793 793 REAL(wp) :: zcoef_dqlw, zcoef_dqla ! - - 794 REAL(wp) :: zztmp , z1_lsub! - -794 REAL(wp) :: zztmp ! - - 795 795 REAL(wp) :: zfr1, zfr2 ! local variables 796 796 REAL(wp), DIMENSION(jpi,jpj,jpl) :: z1_st ! inverse of surface temperature … … 868 868 869 869 ! --- evaporation --- ! 870 z1_lsub = 1._wp / Lsub 871 evap_ice (:,:,:) = rn_efac * qla_ice (:,:,:) * z1_lsub ! sublimation 872 devap_ice(:,:,:) = rn_efac * dqla_ice(:,:,:) * z1_lsub ! d(sublimation)/dT 870 evap_ice (:,:,:) = rn_efac * qla_ice (:,:,:) * r1_Lsub ! sublimation 871 devap_ice(:,:,:) = rn_efac * dqla_ice(:,:,:) * r1_Lsub ! d(sublimation)/dT 873 872 zevap (:,:) = rn_efac * ( emp(:,:) + tprecip(:,:) ) ! evaporation over ocean 874 873 … … 884 883 & + ( tprecip(:,:) - sprecip(:,:) ) * ( sf(jp_tair)%fnow(:,:,1) - rt0 ) * rcp & ! liquid precip at Tair 885 884 & + sprecip(:,:) * ( 1._wp - zsnw ) * & ! solid precip at min(Tair,Tsnow) 886 & ( ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 _snow ) - rt0 ) * cpic * tmask(:,:,1) - lfus )885 & ( ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 ) - rt0 ) * rcpi * tmask(:,:,1) - rLfus ) 887 886 qemp_ice(:,:) = sprecip(:,:) * zsnw * & ! solid precip (only) 888 & ( ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 _snow ) - rt0 ) * cpic * tmask(:,:,1) - lfus )887 & ( ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 ) - rt0 ) * rcpi * tmask(:,:,1) - rLfus ) 889 888 890 889 ! --- total solar and non solar fluxes --- ! … … 894 893 895 894 ! --- heat content of precip over ice in J/m3 (to be used in 1D-thermo) --- ! 896 qprec_ice(:,:) = rhos n * ( ( MIN( sf(jp_tair)%fnow(:,:,1), rt0_snow ) - rt0 ) * cpic * tmask(:,:,1) - lfus )895 qprec_ice(:,:) = rhos * ( ( MIN( sf(jp_tair)%fnow(:,:,1), rt0 ) - rt0 ) * rcpi * tmask(:,:,1) - rLfus ) 897 896 898 897 ! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- 899 898 DO jl = 1, jpl 900 qevap_ice(:,:,jl) = 0._wp ! should be -evap_ice(:,:,jl)*( ( Tice - rt0 ) * cpic* tmask(:,:,1) )899 qevap_ice(:,:,jl) = 0._wp ! should be -evap_ice(:,:,jl)*( ( Tice - rt0 ) * rcpi * tmask(:,:,1) ) 901 900 ! ! But we do not have Tice => consider it at 0degC => evap=0 902 901 END DO … … 971 970 CASE ( 1 , 2 ) 972 971 ! 973 zfac = 1._wp / ( rn_cnd_s + rc dic)972 zfac = 1._wp / ( rn_cnd_s + rcnd_i ) 974 973 zfac2 = EXP(1._wp) * 0.5_wp * zepsilon 975 974 zfac3 = 2._wp / zepsilon … … 978 977 DO jj = 1 , jpj 979 978 DO ji = 1, jpi 980 zhe = ( rn_cnd_s * phi(ji,jj,jl) + rc dic* phs(ji,jj,jl) ) * zfac ! Effective thickness981 IF( zhe >= zfac2 ) zgfac(ji,jj,jl) = MIN( 2._wp, 0.5_wp * ( 1._wp + LOG( zhe * zfac3 ) ) ) ! Enhanced conduction factor979 zhe = ( rn_cnd_s * phi(ji,jj,jl) + rcnd_i * phs(ji,jj,jl) ) * zfac ! Effective thickness 980 IF( zhe >= zfac2 ) zgfac(ji,jj,jl) = MIN( 2._wp, 0.5_wp * ( 1._wp + LOG( zhe * zfac3 ) ) ) ! Enhanced conduction factor 982 981 END DO 983 982 END DO … … 990 989 ! -------------------------------------------------------------! 991 990 ! 992 zfac = rc dic* rn_cnd_s991 zfac = rcnd_i * rn_cnd_s 993 992 ! 994 993 DO jl = 1, jpl 995 994 DO jj = 1 , jpj 996 995 DO ji = 1, jpi 997 ! 998 zkeff_h = zfac * zgfac(ji,jj,jl) / & ! Effective conductivity of the snow-ice system divided by thickness 999 & ( rcdic * phs(ji,jj,jl) + rn_cnd_s * MAX( 0.01, phi(ji,jj,jl) ) ) 996 ! ! Effective conductivity of the snow-ice system divided by thickness 997 zkeff_h = zfac * zgfac(ji,jj,jl) / ( rcnd_i * phs(ji,jj,jl) + rn_cnd_s * MAX( 0.01, phi(ji,jj,jl) ) ) 1000 998 ztsu = ptsu(ji,jj,jl) ! Store current iteration temperature 1001 999 ztsu0 = ptsu(ji,jj,jl) ! Store initial surface temperature -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/SBC/sbccpl.F90
r9923 r9937 1418 1418 zqns(:,:) = zqns(:,:) - zemp(:,:) * sst_m(:,:) * rcp ! remove heat content due to mass flux (assumed to be at SST) 1419 1419 IF( srcv(jpr_snow )%laction ) THEN 1420 zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * lfus! energy for melting solid precipitation over the free ocean1420 zqns(:,:) = zqns(:,:) - frcv(jpr_snow)%z3(:,:,1) * rLfus ! energy for melting solid precipitation over the free ocean 1421 1421 ENDIF 1422 1422 ENDIF 1423 1423 ! 1424 IF( srcv(jpr_icb)%laction ) zqns(:,:) = zqns(:,:) - frcv(jpr_icb)%z3(:,:,1) * lfus ! remove heat content associated to iceberg melting1424 IF( srcv(jpr_icb)%laction ) zqns(:,:) = zqns(:,:) - frcv(jpr_icb)%z3(:,:,1) * rLfus ! remove heat content associated to iceberg melting 1425 1425 ! 1426 1426 IF( ln_mixcpl ) THEN ; qns(:,:) = qns(:,:) * xcplmask(:,:,0) + zqns(:,:) * zmsk(:,:) … … 1811 1811 ! 1812 1812 ! --- calving (removed from qns_tot) --- ! 1813 IF( srcv(jpr_cal)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * lfus ! remove latent heat of calving1814 ! we suppose it melts at 0deg, though it should be temp. of surrounding ocean1813 IF( srcv(jpr_cal)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_cal)%z3(:,:,1) * rLfus ! remove latent heat of calving 1814 ! we suppose it melts at 0deg, though it should be temp. of surrounding ocean 1815 1815 ! --- iceberg (removed from qns_tot) --- ! 1816 IF( srcv(jpr_icb)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_icb)%z3(:,:,1) * lfus ! remove latent heat of iceberg melting1816 IF( srcv(jpr_icb)%laction ) zqns_tot(:,:) = zqns_tot(:,:) - frcv(jpr_icb)%z3(:,:,1) * rLfus ! remove latent heat of iceberg melting 1817 1817 1818 1818 #if defined key_si3 … … 1823 1823 1824 1824 ! Heat content per unit mass of snow (J/kg) 1825 WHERE( SUM( a_i, dim=3 ) > 1.e-10 ) ; zcptsnw(:,:) = cpic* SUM( (tn_ice - rt0) * a_i, dim=3 ) / SUM( a_i, dim=3 )1825 WHERE( SUM( a_i, dim=3 ) > 1.e-10 ) ; zcptsnw(:,:) = rcpi * SUM( (tn_ice - rt0) * a_i, dim=3 ) / SUM( a_i, dim=3 ) 1826 1826 ELSEWHERE ; zcptsnw(:,:) = zcptn(:,:) 1827 END WHERE1827 END WHERE 1828 1828 ! Heat content per unit mass of rain (J/kg) 1829 1829 zcptrain(:,:) = rcp * ( SUM( (tn_ice(:,:,:) - rt0) * a_i(:,:,:), dim=3 ) + sst_m(:,:) * ziceld(:,:) ) 1830 1830 1831 1831 ! --- enthalpy of snow precip over ice in J/m3 (to be used in 1D-thermo) --- ! 1832 zqprec_ice(:,:) = rhos n * ( zcptsnw(:,:) - lfus )1832 zqprec_ice(:,:) = rhos * ( zcptsnw(:,:) - rLfus ) 1833 1833 1834 1834 ! --- heat content of evap over ice in W/m2 (to be used in 1D-thermo) --- ! 1835 1835 DO jl = 1, jpl 1836 zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * cpic) but atm. does not take it into account1836 zqevap_ice(:,:,jl) = 0._wp ! should be -evap * ( ( Tice - rt0 ) * rcpi ) but atm. does not take it into account 1837 1837 END DO 1838 1838 … … 1840 1840 zqemp_oce(:,:) = - zevap_oce(:,:) * zcptn (:,:) & ! evap 1841 1841 & + ( ztprecip(:,:) - zsprecip(:,:) ) * zcptrain(:,:) & ! liquid precip 1842 & + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptsnw (:,:) - lfus ) ! solid precip over ocean + snow melting1843 zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptsnw (:,:) - lfus ) ! solid precip over ice (qevap_ice=0 since atm. does not take it into account)1842 & + zsprecip(:,:) * ( 1._wp - zsnw ) * ( zcptsnw (:,:) - rLfus ) ! solid precip over ocean + snow melting 1843 zqemp_ice(:,:) = zsprecip(:,:) * zsnw * ( zcptsnw (:,:) - rLfus ) ! solid precip over ice (qevap_ice=0 since atm. does not take it into account) 1844 1844 !! zqemp_ice(:,:) = - frcv(jpr_ievp)%z3(:,:,1) * picefr(:,:) * zcptsnw (:,:) & ! ice evap 1845 !! & + zsprecip(:,:) * zsnw * zqprec_ice(:,:) * r1_rhos n! solid precip over ice1845 !! & + zsprecip(:,:) * zsnw * zqprec_ice(:,:) * r1_rhos ! solid precip over ice 1846 1846 1847 1847 ! --- total non solar flux (including evap/precip) --- ! … … 1875 1875 ! clem: this formulation is certainly wrong... but better than it was... 1876 1876 zqns_tot(:,:) = zqns_tot(:,:) & ! zqns_tot update over free ocean with: 1877 & - ( ziceld(:,:) * zsprecip(:,:) * lfus ) &! remove the latent heat flux of solid precip. melting1877 & - ( ziceld(:,:) * zsprecip(:,:) * rLfus ) & ! remove the latent heat flux of solid precip. melting 1878 1878 & - ( zemp_tot(:,:) & ! remove the heat content of mass flux (assumed to be at SST) 1879 1879 & - zemp_ice(:,:) ) * zcptn(:,:) … … 1892 1892 #endif 1893 1893 ! outputs 1894 IF ( srcv(jpr_cal)%laction ) CALL iom_put('hflx_cal_cea' , - frcv(jpr_cal)%z3(:,:,1) * lfus )! latent heat from calving1895 IF ( srcv(jpr_icb)%laction ) CALL iom_put('hflx_icb_cea' , - frcv(jpr_icb)%z3(:,:,1) * lfus )! latent heat from icebergs melting1894 IF ( srcv(jpr_cal)%laction ) CALL iom_put('hflx_cal_cea' , - frcv(jpr_cal)%z3(:,:,1) * rLfus ) ! latent heat from calving 1895 IF ( srcv(jpr_icb)%laction ) CALL iom_put('hflx_icb_cea' , - frcv(jpr_icb)%z3(:,:,1) * rLfus ) ! latent heat from icebergs melting 1896 1896 IF ( iom_use('hflx_rain_cea') ) CALL iom_put('hflx_rain_cea' , ( tprecip(:,:) - sprecip(:,:) ) * zcptrain(:,:) ) ! heat flux from rain (cell average) 1897 1897 IF ( iom_use('hflx_evap_cea') ) CALL iom_put('hflx_evap_cea' , ( frcv(jpr_tevp)%z3(:,:,1) - frcv(jpr_ievp)%z3(:,:,1) & 1898 1898 & * picefr(:,:) ) * zcptn(:,:) * tmask(:,:,1) ) ! heat flux from evap (cell average) 1899 IF ( iom_use('hflx_snow_cea') ) CALL iom_put('hflx_snow_cea' , sprecip(:,:) * ( zcptsnw(:,:) - Lfus ) ) ! heat flux from snow (cell average)1900 IF ( iom_use('hflx_snow_ao_cea') ) CALL iom_put('hflx_snow_ao_cea', sprecip(:,:) * ( zcptsnw(:,:) - Lfus ) &1899 IF ( iom_use('hflx_snow_cea') ) CALL iom_put('hflx_snow_cea' , sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) ) ! heat flux from snow (cell average) 1900 IF ( iom_use('hflx_snow_ao_cea') ) CALL iom_put('hflx_snow_ao_cea', sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) & 1901 1901 & * ( 1._wp - zsnw(:,:) ) ) ! heat flux from snow (over ocean) 1902 IF ( iom_use('hflx_snow_ai_cea') ) CALL iom_put('hflx_snow_ai_cea', sprecip(:,:) * ( zcptsnw(:,:) - Lfus ) &1902 IF ( iom_use('hflx_snow_ai_cea') ) CALL iom_put('hflx_snow_ai_cea', sprecip(:,:) * ( zcptsnw(:,:) - rLfus ) & 1903 1903 & * zsnw(:,:) ) ! heat flux from snow (over ice) 1904 1904 ! note: hflx for runoff and iceshelf are done in sbcrnf and sbcisf resp. -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/SBC/sbcice_cice.F90
r9923 r9937 13 13 USE dom_oce ! ocean space and time domain 14 14 USE domvvl 15 USE phycst , ONLY : rcp, rho0, r1_rho0, rhos n, rhoic15 USE phycst , ONLY : rcp, rho0, r1_rho0, rhos, rhoi 16 16 USE in_out_manager ! I/O manager 17 17 USE iom, ONLY : iom_put,iom_use ! I/O manager library !!Joakim edit … … 222 222 CALL cice2nemo(vsno(:,:,:),ztmp1,'T', 1. ) 223 223 CALL cice2nemo(vice(:,:,:),ztmp2,'T', 1. ) 224 snwice_mass (:,:) = ( rhos n * ztmp1(:,:) + rhoic* ztmp2(:,:) )224 snwice_mass (:,:) = ( rhos * ztmp1(:,:) + rhoi * ztmp2(:,:) ) 225 225 snwice_mass_b(:,:) = snwice_mass(:,:) 226 226 … … 644 644 CALL cice2nemo(vsno(:,:,:),ztmp1,'T', 1. ) 645 645 CALL cice2nemo(vice(:,:,:),ztmp2,'T', 1. ) 646 snwice_mass (:,:) = ( rhos n * ztmp1(:,:) + rhoic* ztmp2(:,:) )646 snwice_mass (:,:) = ( rhos * ztmp1(:,:) + rhoi * ztmp2(:,:) ) 647 647 snwice_mass_b(:,:) = snwice_mass(:,:) 648 648 snwice_fmass (:,:) = ( snwice_mass(:,:) - snwice_mass_b(:,:) ) / dt -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/SBC/sbcisf.F90
r9923 r9937 52 52 LOGICAL, PUBLIC :: l_isfcpl = .false. !: isf recieved from oasis 53 53 54 REAL(wp) , PUBLIC, SAVE :: rcpi= 2000.0_wp !: specific heat of ice shelf [J/kg/K]54 REAL(wp) , SAVE :: rcp_isf = 2000.0_wp !: specific heat of ice shelf [J/kg/K] 55 55 REAL(wp), PUBLIC, SAVE :: rkappa = 1.54e-6_wp !: heat diffusivity through the ice-shelf [m2/s] 56 56 REAL(wp), PUBLIC, SAVE :: rho_isf = 920.0_wp !: volumic mass of ice shelf [kg/m3] 57 57 REAL(wp), PUBLIC, SAVE :: tsurf = -20.0_wp !: air temperature on top of ice shelf [C] 58 REAL(wp), PUBLIC, SAVE :: rlfusisf = 0.334e6_wp !: latent heat of fusion of ice shelf [J/kg]59 58 60 59 !: Variable used in fldread to read the forcing file (nn_isf == 4 .OR. nn_isf == 3) … … 114 113 ! compute fwf and heat flux 115 114 IF( .NOT.l_isfcpl ) THEN ; CALL sbc_isf_cav (kt) 116 ELSE ; qisf(:,:) = fwfisf(:,:) * r lfusisf ! heatflux115 ELSE ; qisf(:,:) = fwfisf(:,:) * rLfus ! heat flux 117 116 ENDIF 118 117 ! … … 127 126 fwfisf(:,:) = - sf_rnfisf(1)%fnow(:,:,1) ! fresh water flux from the isf (fwfisf <0 mean melting) 128 127 ENDIF 129 qisf(:,:) = fwfisf(:,:) * r lfusisf! heat flux128 qisf(:,:) = fwfisf(:,:) * rLfus ! heat flux 130 129 stbl(:,:) = soce 131 130 ! … … 137 136 fwfisf(:,:) = -sf_fwfisf(1)%fnow(:,:,1) ! fwf 138 137 ENDIF 139 qisf(:,:) = fwfisf(:,:) * r lfusisf! heat flux138 qisf(:,:) = fwfisf(:,:) * rLfus ! heat flux 140 139 stbl(:,:) = soce 141 140 ! … … 308 307 qisf (:,:) = 0._wp ; fwfisf (:,:) = 0._wp 309 308 risf_tsc(:,:,:) = 0._wp ; fwfisf_b(:,:) = 0._wp 310 ! 311 ! define isf tbl tickness, top and bottom indice312 SELECT CASE ( nn_isf )309 310 SELECT CASE ( nn_isf ) ! define isf tbl tickness, top and bottom indice 311 ! 313 312 CASE ( 1 ) 314 313 IF(lwp) WRITE(numout,*) … … 455 454 & * r1_e1e2t(ji,jj) * tmask(ji,jj,jk) 456 455 457 fwfisf(ji,jj) = qisf(ji,jj) / rlfusisf !fresh water flux kg/(m2s)456 fwfisf(ji,jj) = qisf(ji,jj) * r1_Lfus ! fresh water flux kg/(m2s) 458 457 fwfisf(ji,jj) = fwfisf(ji,jj) * ( soce / stbl(ji,jj) ) 459 458 !add to salinity trend … … 527 526 DO ji = 1, jpi 528 527 zhtflx(ji,jj) = zgammat(ji,jj)*rcp*rho0*(ttbl(ji,jj)-zfrz(ji,jj)) 529 zfwflx(ji,jj) = - zhtflx(ji,jj) /rlfusisf528 zfwflx(ji,jj) = - zhtflx(ji,jj) * r1_Lfus 530 529 END DO 531 530 END DO … … 545 544 ! compute coeficient to solve the 2nd order equation 546 545 zeps1 = rcp*rho0*zgammat(ji,jj) 547 zeps2 = r lfusisf*rho0*zgammas(ji,jj)548 zeps3 = rho_isf*rcp i*rkappa/MAX(risfdep(ji,jj),zeps)546 zeps2 = rLfus*rho0*zgammas(ji,jj) 547 zeps3 = rho_isf*rcp_isf*rkappa/MAX(risfdep(ji,jj),zeps) 549 548 zeps4 = zlamb2+zlamb3*risfdep(ji,jj) 550 549 zeps6 = zeps4-ttbl(ji,jj) -
NEMO/branches/2018/dev_r9838_ENHANCE04_MLF/src/OCE/SBC/sbcrnf.F90
r9923 r9937 128 128 END WHERE 129 129 WHERE( sf_t_rnf(1)%fnow(:,:,1) == -222._wp ) ! where fwf comes from melting of ice shelves or iceberg 130 rnf_tsc(:,:,jp_tem) = ztfrz(:,:) * rnf(:,:) * r1_rho0 - rnf(:,:) * r lfusisf* r1_rho0_rcp130 rnf_tsc(:,:,jp_tem) = ztfrz(:,:) * rnf(:,:) * r1_rho0 - rnf(:,:) * rLfus * r1_rho0_rcp 131 131 END WHERE 132 132 ELSE ! use SST as runoffs temperature
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