Changeset 14590 for NEMO/releases/r4.0/r4.0-HEAD/src/ICE

Timestamp:

2021-03-05T14:21:05+01:00 (4 years ago)

Author:

clem

Message:

4.0-HEAD: solve ticket #2627 to allow simulations with conductive fluxes instead of normal fluxes on top of sea ice (MetO requirement). I do not think I tackled all the issues but this is the best I can do without having a proper configuration to test it.

Location:

NEMO/releases/r4.0/r4.0-HEAD/src/ICE

Files:

• icectl.F90 (modified) (2 diffs)
• icesbc.F90 (modified) (2 diffs)
• iceupdate.F90 (modified) (3 diffs)

NEMO/releases/r4.0/r4.0-HEAD/src/ICE/icectl.F90

@@ -801 +801 @@
       !!   DO jj = 1, jpj
       !!      DO ji = 1, jpi
-      !!         zdiag_mass2D(ji,jj) =   wfx_ice(ji,jj)   + wfx_snw(ji,jj)   + wfx_spr(ji,jj) + wfx_sub(ji,jj) &
-      !!            &                  + diag_vice(ji,jj) + diag_vsnw(ji,jj) - diag_adv_mass(ji,jj)
+      !!         zdiag_mass2D(ji,jj) =   wfx_ice(ji,jj)   + wfx_snw(ji,jj)   + wfx_spr(ji,jj)   + wfx_sub(ji,jj) + wfx_pnd(ji,jj) &
+      !!            &                  + diag_vice(ji,jj) + diag_vsnw(ji,jj) + diag_vpnd(ji,jj) - diag_adv_mass(ji,jj)
       !!         zdiag_salt2D(ji,jj) = sfx(ji,jj) + diag_sice(ji,jj) - diag_adv_salt(ji,jj)
       !!         zdiag_heat2D(ji,jj) = qt_oce_ai(ji,jj) - qt_atm_oi(ji,jj) + diag_heat(ji,jj) - diag_adv_heat(ji,jj)
@@ -815 +815 @@
 
       ! -- mass diag -- !
-      zdiag_mass     = glob_sum( 'icectl', (  wfx_ice   + wfx_snw   + wfx_spr + wfx_sub &
-         &                                  + diag_vice + diag_vsnw - diag_adv_mass ) * e1e2t ) * rdt_ice
+      zdiag_mass     = glob_sum( 'icectl', (  wfx_ice   + wfx_snw   + wfx_spr + wfx_sub + wfx_pnd &
+         &                                  + diag_vice + diag_vsnw + diag_vpnd - diag_adv_mass ) * e1e2t ) * rdt_ice
       zdiag_adv_mass = glob_sum( 'icectl', diag_adv_mass * e1e2t ) * rdt_ice
 

NEMO/releases/r4.0/r4.0-HEAD/src/ICE/icesbc.F90

@@ -140 +140 @@
       CASE( jp_blk )              !--- bulk formulation
                                   CALL blk_ice_flx    ( t_su, h_s, h_i, alb_ice )    ! 
-         IF( ln_mixcpl        )   CALL sbc_cpl_ice_flx( picefr=at_i_b, palbi=alb_ice, psst=sst_m, pist=t_su, phs=h_s, phi=h_i )
+         IF( ln_mixcpl        )   CALL sbc_cpl_ice_flx( kt, picefr=at_i_b, palbi=alb_ice, psst=sst_m, pist=t_su, phs=h_s, phi=h_i )
          IF( nn_flxdist /= -1 )   CALL ice_flx_dist   ( t_su, alb_ice, qns_ice, qsr_ice, dqns_ice, evap_ice, devap_ice, nn_flxdist )
          !                        !    compute conduction flux and surface temperature (as in Jules surface module)
@@ -146 +146 @@
             &                     CALL blk_ice_qcn    ( ln_virtual_itd, t_su, t_bo, h_s, h_i )
       CASE ( jp_purecpl )         !--- coupled formulation
-                                  CALL sbc_cpl_ice_flx( picefr=at_i_b, palbi=alb_ice, psst=sst_m, pist=t_su, phs=h_s, phi=h_i )
+                                  CALL sbc_cpl_ice_flx( kt, picefr=at_i_b, palbi=alb_ice, psst=sst_m, pist=t_su, phs=h_s, phi=h_i )
          IF( nn_flxdist /= -1 )   CALL ice_flx_dist   ( t_su, alb_ice, qns_ice, qsr_ice, dqns_ice, evap_ice, devap_ice, nn_flxdist )
       END SELECT

NEMO/releases/r4.0/r4.0-HEAD/src/ICE/iceupdate.F90

@@ -105 +105 @@
       ! Net heat flux on top of the ice-ocean (W.m-2)
       !----------------------------------------------
-      qt_atm_oi(:,:) = qns_tot(:,:) + qsr_tot(:,:) 
+      IF( ln_cndflx ) THEN   ! ice-atm interface = conduction (and melting) fluxes
+         qt_atm_oi(:,:) = ( 1._wp - at_i_b(:,:) ) * ( qns_oce(:,:) + qsr_oce(:,:) ) + qemp_oce(:,:) + &
+            &             SUM( a_i_b * ( qcn_ice + qml_ice + qtr_ice_top ), dim=3 ) + qemp_ice(:,:)
+      ELSE                   ! ice-atm interface = solar and non-solar fluxes
+         qt_atm_oi(:,:) = qns_tot(:,:) + qsr_tot(:,:) 
+      ENDIF
 
       ! --- case we bypass ice thermodynamics --- !
@@ -121 +126 @@
             ! Solar heat flux reaching the ocean (max) = zqsr (W.m-2) 
             !---------------------------------------------------
-            zqsr = qsr_tot(ji,jj) - SUM( a_i_b(ji,jj,:) * ( qsr_ice(ji,jj,:) - qtr_ice_bot(ji,jj,:) ) )
-
+            IF( ln_cndflx ) THEN   ! ice-atm interface = conduction (and melting) fluxes
+               zqsr = ( 1._wp - at_i_b(ji,jj) ) * qsr_oce(ji,jj) + SUM( a_i_b (ji,jj,:) * qtr_ice_bot(ji,jj,:) )
+            ELSE                   ! ice-atm interface = solar and non-solar fluxes
+               zqsr = qsr_tot(ji,jj) - SUM( a_i_b(ji,jj,:) * ( qsr_ice(ji,jj,:) - qtr_ice_bot(ji,jj,:) ) )
+            ENDIF
+         
             ! Total heat flux reaching the ocean = qt_oce_ai (W.m-2) 
             !---------------------------------------------------
-            qt_oce_ai(ji,jj) = qt_atm_oi(ji,jj) - hfx_sum(ji,jj) - hfx_bom(ji,jj) - hfx_bog(ji,jj) &
-               &                                - hfx_dif(ji,jj) - hfx_opw(ji,jj) - hfx_snw(ji,jj) &
-               &                                + hfx_thd(ji,jj) + hfx_dyn(ji,jj) + hfx_res(ji,jj) &
-               &                                + hfx_sub(ji,jj) - SUM( qevap_ice(ji,jj,:) * a_i_b(ji,jj,:) ) + hfx_spr(ji,jj)                 
-            
+            IF( ln_icethd ) THEN
+               qt_oce_ai(ji,jj) = qt_atm_oi(ji,jj) - hfx_sum(ji,jj) - hfx_bom(ji,jj) - hfx_bog(ji,jj) &
+                  &                                - hfx_dif(ji,jj) - hfx_opw(ji,jj) - hfx_snw(ji,jj) &
+                  &                                + hfx_thd(ji,jj) + hfx_dyn(ji,jj) + hfx_res(ji,jj) &
+                  &                                + hfx_sub(ji,jj) - SUM( qevap_ice(ji,jj,:) * a_i_b(ji,jj,:) ) + hfx_spr(ji,jj)
+            ENDIF
+         
             ! New qsr and qns used to compute the oceanic heat flux at the next time step
             !----------------------------------------------------------------------------
@@ -282 +293 @@
       IF( iom_use('hfxcndtop'  ) )   CALL iom_put( 'hfxcndtop'  , SUM( qcn_ice_top * a_i_b, dim=3 ) )   ! Surface conduction flux
 !!    IF( iom_use('hfxmelt'    ) )   CALL iom_put( 'hfxmelt'    , SUM( qml_ice     * a_i_b, dim=3 ) )   ! Surface melt flux
-!!    IF( iom_use('hfxldmelt'  ) )   CALL iom_put( 'hfxldmelt'  ,      fhld        * at_i_b         )   ! Heat in lead for ice melting
+!!    IF( iom_use('hfxldmelt'  ) )   CALL iom_put( 'hfxldmelt'  ,      fhld        * at_i_b         )   ! Heat in lead for ice melting 
 !!    IF( iom_use('hfxldgrow'  ) )   CALL iom_put( 'hfxldgrow'  ,      qlead       * r1_rdtice      )   ! Heat in lead for ice growth
-      
+
       ! controls
       !---------