Changeset 14037 for NEMO/branches/2020/dev_r13333_KERNEL-08_techene_gm_HPG_SPG/src/ICE/iceupdate.F90
- Timestamp:
- 2020-12-03T12:20:38+01:00 (3 years ago)
- Location:
- NEMO/branches/2020/dev_r13333_KERNEL-08_techene_gm_HPG_SPG
- Files:
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- 2 edited
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. (modified) (1 prop)
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src/ICE/iceupdate.F90 (modified) (14 diffs)
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NEMO/branches/2020/dev_r13333_KERNEL-08_techene_gm_HPG_SPG
- Property svn:externals
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old new 8 8 9 9 # SETTE 10 ^/utils/CI/sette @13292sette10 ^/utils/CI/sette_wave@13990 sette
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- Property svn:externals
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NEMO/branches/2020/dev_r13333_KERNEL-08_techene_gm_HPG_SPG/src/ICE/iceupdate.F90
r13295 r14037 24 24 USE traqsr ! add penetration of solar flux in the calculation of heat budget 25 25 USE icectl ! sea-ice: control prints 26 USE bdy_oce , ONLY : ln_bdy26 USE zdfdrg , ONLY : ln_drgice_imp 27 27 ! 28 28 USE in_out_manager ! I/O manager … … 91 91 ! 92 92 INTEGER :: ji, jj, jl, jk ! dummy loop indices 93 REAL(wp) :: zqmass ! Heat flux associated with mass exchange ice->ocean (W.m-2)94 93 REAL(wp) :: zqsr ! New solar flux received by the ocean 95 REAL(wp), DIMENSION(jpi,jpj) :: z2d ! 2D workspace 96 REAL(wp), DIMENSION(jpi,jpj,jpl) :: zalb_cs, zalb_os ! 3D workspace 94 REAL(wp), DIMENSION(jpi,jpj) :: z2d ! 2D workspace 97 95 !!--------------------------------------------------------------------- 98 IF( ln_timing ) CALL timing_start('ice _update')96 IF( ln_timing ) CALL timing_start('iceupdate') 99 97 100 98 IF( kt == nit000 .AND. lwp ) THEN … … 103 101 WRITE(numout,*)'~~~~~~~~~~~~~~' 104 102 ENDIF 103 104 ! Net heat flux on top of the ice-ocean (W.m-2) 105 !---------------------------------------------- 106 qt_atm_oi(:,:) = qns_tot(:,:) + qsr_tot(:,:) 105 107 106 108 ! --- case we bypass ice thermodynamics --- ! … … 115 117 DO_2D( 1, 1, 1, 1 ) 116 118 117 ! Solar heat flux reaching the ocean = zqsr (W.m-2)119 ! Solar heat flux reaching the ocean (max) = zqsr (W.m-2) 118 120 !--------------------------------------------------- 119 121 zqsr = qsr_tot(ji,jj) - SUM( a_i_b(ji,jj,:) * ( qsr_ice(ji,jj,:) - qtr_ice_bot(ji,jj,:) ) ) … … 121 123 ! Total heat flux reaching the ocean = qt_oce_ai (W.m-2) 122 124 !--------------------------------------------------- 123 zqmass = hfx_thd(ji,jj) + hfx_dyn(ji,jj) + hfx_res(ji,jj) ! heat flux from snow is 0 (T=0 degC) 124 qt_oce_ai(ji,jj) = qt_oce_ai(ji,jj) + zqmass + zqsr 125 126 ! Add the residual from heat diffusion equation and sublimation (W.m-2) 127 !---------------------------------------------------------------------- 128 qt_oce_ai(ji,jj) = qt_oce_ai(ji,jj) + hfx_err_dif(ji,jj) + & 129 & ( hfx_sub(ji,jj) - SUM( qevap_ice(ji,jj,:) * a_i_b(ji,jj,:) ) ) 130 125 qt_oce_ai(ji,jj) = qt_atm_oi(ji,jj) - hfx_sum(ji,jj) - hfx_bom(ji,jj) - hfx_bog(ji,jj) & 126 & - hfx_dif(ji,jj) - hfx_opw(ji,jj) - hfx_snw(ji,jj) & 127 & + hfx_thd(ji,jj) + hfx_dyn(ji,jj) + hfx_res(ji,jj) & 128 & + hfx_sub(ji,jj) - SUM( qevap_ice(ji,jj,:) * a_i_b(ji,jj,:) ) + hfx_spr(ji,jj) 129 131 130 ! New qsr and qns used to compute the oceanic heat flux at the next time step 132 131 !---------------------------------------------------------------------------- 133 qsr(ji,jj) = zqsr 132 ! if warming and some ice remains, then we suppose that the whole solar flux has been consumed to melt the ice 133 ! else ( cooling or no ice left ), then we suppose that no solar flux has been consumed 134 ! 135 IF( fhld(ji,jj) > 0._wp .AND. at_i(ji,jj) > 0._wp ) THEN !-- warming and some ice remains 136 ! solar flux transmitted thru the 1st level of the ocean (i.e. not used by sea-ice) 137 qsr(ji,jj) = ( 1._wp - at_i_b(ji,jj) ) * qsr_oce(ji,jj) * ( 1._wp - frq_m(ji,jj) ) & 138 ! + solar flux transmitted thru ice and the 1st ocean level (also not used by sea-ice) 139 & + SUM( a_i_b(ji,jj,:) * qtr_ice_bot(ji,jj,:) ) * ( 1._wp - frq_m(ji,jj) ) 140 ! 141 ELSE !-- cooling or no ice left 142 qsr(ji,jj) = zqsr 143 ENDIF 144 ! 145 ! the non-solar is simply derived from the solar flux 134 146 qns(ji,jj) = qt_oce_ai(ji,jj) - zqsr 135 147 136 148 ! Mass flux at the atm. surface 137 149 !----------------------------------- … … 140 152 ! Mass flux at the ocean surface 141 153 !------------------------------------ 142 ! case of realistic freshwater flux (Tartinville et al., 2001) (presently ACTIVATED) 143 ! ------------------------------------------------------------------------------------- 144 ! The idea of this approach is that the system that we consider is the ICE-OCEAN system 145 ! Thus FW flux = External ( E-P+snow melt) 146 ! Salt flux = Exchanges in the ice-ocean system then converted into FW 147 ! Associated to Ice formation AND Ice melting 148 ! Even if i see Ice melting as a FW and SALT flux 149 ! 150 ! mass flux from ice/ocean 154 ! ice-ocean mass flux 151 155 wfx_ice(ji,jj) = wfx_bog(ji,jj) + wfx_bom(ji,jj) + wfx_sum(ji,jj) + wfx_sni(ji,jj) & 152 & + wfx_opw(ji,jj) + wfx_dyn(ji,jj) + wfx_res(ji,jj) + wfx_lam(ji,jj) + wfx_pnd(ji,jj)153 154 ! add the snow melt water to snow mass flux to the ocean156 & + wfx_opw(ji,jj) + wfx_dyn(ji,jj) + wfx_res(ji,jj) + wfx_lam(ji,jj) 157 158 ! snw-ocean mass flux 155 159 wfx_snw(ji,jj) = wfx_snw_sni(ji,jj) + wfx_snw_dyn(ji,jj) + wfx_snw_sum(ji,jj) 156 157 ! mass flux at the ocean/ice interface 158 fmmflx(ji,jj) = - ( wfx_ice(ji,jj) + wfx_snw(ji,jj) + wfx_err_sub(ji,jj) ) ! F/M mass flux save at least for biogeochemical model 159 emp(ji,jj) = emp_oce(ji,jj) - wfx_ice(ji,jj) - wfx_snw(ji,jj) - wfx_err_sub(ji,jj) ! mass flux + F/M mass flux (always ice/ocean mass exchange) 160 160 161 ! total mass flux at the ocean/ice interface 162 fmmflx(ji,jj) = - wfx_ice(ji,jj) - wfx_snw(ji,jj) - wfx_pnd(ji,jj) - wfx_err_sub(ji,jj) ! ice-ocean mass flux saved at least for biogeochemical model 163 emp (ji,jj) = emp_oce(ji,jj) - wfx_ice(ji,jj) - wfx_snw(ji,jj) - wfx_pnd(ji,jj) - wfx_err_sub(ji,jj) ! atm-ocean + ice-ocean mass flux 161 164 162 165 ! Salt flux at the ocean surface … … 169 172 snwice_mass_b(ji,jj) = snwice_mass(ji,jj) ! save mass from the previous ice time step 170 173 ! ! new mass per unit area 171 snwice_mass (ji,jj) = tmask(ji,jj,1) * ( rhos * vt_s(ji,jj) + rhoi * vt_i(ji,jj) )174 snwice_mass (ji,jj) = tmask(ji,jj,1) * ( rhos * vt_s(ji,jj) + rhoi * vt_i(ji,jj) + rhow * (vt_ip(ji,jj) + vt_il(ji,jj)) ) 172 175 ! ! time evolution of snow+ice mass 173 176 snwice_fmass (ji,jj) = ( snwice_mass(ji,jj) - snwice_mass_b(ji,jj) ) * r1_Dt_ice … … 182 185 ! Snow/ice albedo (only if sent to coupler, useless in forced mode) 183 186 !------------------------------------------------------------------ 184 CALL ice_alb( t_su, h_i, h_s, ln_pnd_alb, a_ip_frac, h_ip, zalb_cs, zalb_os ) ! cloud-sky and overcast-sky ice albedos 185 ! 186 alb_ice(:,:,:) = ( 1._wp - cldf_ice ) * zalb_cs(:,:,:) + cldf_ice * zalb_os(:,:,:) 187 CALL ice_alb( t_su, h_i, h_s, ln_pnd_alb, a_ip_eff, h_ip, cloud_fra, alb_ice ) ! ice albedo 188 187 189 ! 188 190 IF( lrst_ice ) THEN !* write snwice_mass fields in the restart file … … 263 265 CALL iom_put ('hfxdif' , hfx_dif ) ! heat flux used for ice temperature change 264 266 CALL iom_put ('hfxsnw' , hfx_snw ) ! heat flux used for snow melt 265 CALL iom_put ('hfxerr' , hfx_err_dif ) ! heat flux error after heat diffusion (included in qt_oce_ai)267 CALL iom_put ('hfxerr' , hfx_err_dif ) ! heat flux error after heat diffusion 266 268 267 269 ! heat fluxes associated with mass exchange (freeze/melt/precip...) … … 280 282 !--------- 281 283 #if ! defined key_agrif 282 IF( ln_icediachk .AND. .NOT. ln_bdy) CALL ice_cons_final('iceupdate') ! conservation284 IF( ln_icediachk ) CALL ice_cons_final('iceupdate') ! conservation 283 285 #endif 284 IF( ln_icectl 285 IF( sn_cfctl%l_prtctl 286 IF( ln_timing ) CALL timing_stop ('ice_update')! timing286 IF( ln_icectl ) CALL ice_prt (kt, iiceprt, jiceprt, 3, 'Final state ice_update') ! prints 287 IF( sn_cfctl%l_prtctl ) CALL ice_prt3D ('iceupdate') ! prints 288 IF( ln_timing ) CALL timing_stop ('iceupdate') ! timing 287 289 ! 288 290 END SUBROUTINE ice_update_flx … … 320 322 REAL(wp) :: zat_u, zutau_ice, zu_t, zmodt ! local scalar 321 323 REAL(wp) :: zat_v, zvtau_ice, zv_t, zrhoco ! - - 324 REAL(wp) :: zflagi ! - - 322 325 !!--------------------------------------------------------------------- 323 IF( ln_timing ) CALL timing_start('ice_update _tau')326 IF( ln_timing ) CALL timing_start('ice_update') 324 327 325 328 IF( kt == nit000 .AND. lwp ) THEN … … 332 335 ! 333 336 IF( MOD( kt-1, nn_fsbc ) == 0 ) THEN !== Ice time-step only ==! (i.e. surface module time-step) 334 DO_2D( 0, 0, 0, 0 ) 337 DO_2D( 0, 0, 0, 0 ) !* update the modulus of stress at ocean surface (T-point) 335 338 ! ! 2*(U_ice-U_oce) at T-point 336 339 zu_t = u_ice(ji,jj) + u_ice(ji-1,jj) - u_oce(ji,jj) - u_oce(ji-1,jj) … … 350 353 ! 351 354 ! !== every ocean time-step ==! 352 ! 353 DO_2D( 0, 0, 0, 0 ) 355 IF ( ln_drgice_imp ) THEN 356 ! Save drag with right sign to update top drag in the ocean implicit friction 357 rCdU_ice(:,:) = -r1_rho0 * tmod_io(:,:) * at_i(:,:) * tmask(:,:,1) 358 zflagi = 0._wp 359 ELSE 360 zflagi = 1._wp 361 ENDIF 362 ! 363 DO_2D( 0, 0, 0, 0 ) !* update the stress WITHOUT an ice-ocean rotation angle 354 364 ! ice area at u and v-points 355 365 zat_u = ( at_i(ji,jj) * tmask(ji,jj,1) + at_i (ji+1,jj ) * tmask(ji+1,jj ,1) ) & … … 366 376 CALL lbc_lnk_multi( 'iceupdate', utau, 'U', -1.0_wp, vtau, 'V', -1.0_wp ) ! lateral boundary condition 367 377 ! 368 IF( ln_timing ) CALL timing_stop('ice_update _tau')378 IF( ln_timing ) CALL timing_stop('ice_update') 369 379 ! 370 380 END SUBROUTINE ice_update_tau
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