- Timestamp:
- 2015-08-04T14:45:33+02:00 (9 years ago)
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- 1 edited
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branches/UKMO/2015_CO6_CO5_shelfdiagnostic/NEMOGCM/NEMO/LIM_SRC_3/limsbc.F90
r5422 r5666 30 30 USE sbc_oce ! Surface boundary condition: ocean fields 31 31 USE sbccpl 32 USE oce , ONLY : fraqsr_1lev,sshn, sshb, snwice_mass, snwice_mass_b, snwice_fmass32 USE oce , ONLY : sshn, sshb, snwice_mass, snwice_mass_b, snwice_fmass 33 33 USE albedo ! albedo parameters 34 34 USE lbclnk ! ocean lateral boundary condition - MPP exchanges … … 94 94 !! - fr_i : ice fraction 95 95 !! - tn_ice : sea-ice surface temperature 96 !! - alb_ice : sea-ice albedo ( lk_cpl=T)96 !! - alb_ice : sea-ice albedo (only useful in coupled mode) 97 97 !! 98 98 !! References : Goosse, H. et al. 1996, Bul. Soc. Roy. Sc. Liege, 65, 87-90. … … 101 101 !! The ref should be Rousset et al., 2015 102 102 !!--------------------------------------------------------------------- 103 INTEGER, INTENT(in) :: kt ! number of iteration 104 INTEGER :: ji, jj, jl, jk ! dummy loop indices 105 REAL(wp) :: zemp ! local scalars 106 REAL(wp) :: zf_mass ! Heat flux associated with mass exchange ice->ocean (W.m-2) 107 REAL(wp) :: zfcm1 ! New solar flux received by the ocean 103 INTEGER, INTENT(in) :: kt ! number of iteration 104 INTEGER :: ji, jj, jl, jk ! dummy loop indices 105 REAL(wp) :: zqmass ! Heat flux associated with mass exchange ice->ocean (W.m-2) 106 REAL(wp) :: zqsr ! New solar flux received by the ocean 108 107 ! 109 108 REAL(wp), POINTER, DIMENSION(:,:,:) :: zalb_cs, zalb_os ! 2D/3D workspace … … 111 110 112 111 ! make calls for heat fluxes before it is modified 113 IF( iom_use('qsr_oce') ) CALL iom_put( "qsr_oce" , qsr(:,:) * pfrld(:,:) ) ! solar flux at ocean surface 114 IF( iom_use('qns_oce') ) CALL iom_put( "qns_oce" , qns(:,:) * pfrld(:,:) ) ! non-solar flux at ocean surface 115 IF( iom_use('qsr_ice') ) CALL iom_put( "qsr_ice" , SUM( qsr_ice(:,:,:) * a_i_b(:,:,:), dim=3 ) ) ! solar flux at ice surface 116 IF( iom_use('qns_ice') ) CALL iom_put( "qns_ice" , SUM( qns_ice(:,:,:) * a_i_b(:,:,:), dim=3 ) ) ! non-solar flux at ice surface 117 IF( iom_use('qtr_ice') ) CALL iom_put( "qtr_ice" , SUM( ftr_ice(:,:,:) * a_i_b(:,:,:), dim=3 ) ) ! solar flux transmitted thru ice 118 IF( iom_use('qt_oce' ) ) CALL iom_put( "qt_oce" , ( qsr(:,:) + qns(:,:) ) * pfrld(:,:) ) 119 IF( iom_use('qt_ice' ) ) CALL iom_put( "qt_ice" , SUM( ( qns_ice(:,:,:) + qsr_ice(:,:,:) ) * a_i_b(:,:,:), dim=3 ) ) 112 IF( iom_use('qsr_oce') ) CALL iom_put( "qsr_oce" , qsr_oce(:,:) * pfrld(:,:) ) ! solar flux at ocean surface 113 IF( iom_use('qns_oce') ) CALL iom_put( "qns_oce" , qns_oce(:,:) * pfrld(:,:) + qemp_oce(:,:) ) ! non-solar flux at ocean surface 114 IF( iom_use('qsr_ice') ) CALL iom_put( "qsr_ice" , SUM( qsr_ice(:,:,:) * a_i_b(:,:,:), dim=3 ) ) ! solar flux at ice surface 115 IF( iom_use('qns_ice') ) CALL iom_put( "qns_ice" , SUM( qns_ice(:,:,:) * a_i_b(:,:,:), dim=3 ) + qemp_ice(:,:) ) ! non-solar flux at ice surface 116 IF( iom_use('qtr_ice') ) CALL iom_put( "qtr_ice" , SUM( ftr_ice(:,:,:) * a_i_b(:,:,:), dim=3 ) ) ! solar flux transmitted thru ice 117 IF( iom_use('qt_oce' ) ) CALL iom_put( "qt_oce" , ( qsr_oce(:,:) + qns_oce(:,:) ) * pfrld(:,:) + qemp_oce(:,:) ) 118 IF( iom_use('qt_ice' ) ) CALL iom_put( "qt_ice" , SUM( ( qns_ice(:,:,:) + qsr_ice(:,:,:) ) & 119 & * a_i_b(:,:,:), dim=3 ) + qemp_ice(:,:) ) 120 IF( iom_use('qemp_oce' ) ) CALL iom_put( "qemp_oce" , qemp_oce(:,:) ) 121 IF( iom_use('qemp_ice' ) ) CALL iom_put( "qemp_ice" , qemp_ice(:,:) ) 120 122 121 123 ! pfrld is the lead fraction at the previous time step (actually between TRP and THD) … … 126 128 ! heat flux at the ocean surface ! 127 129 !------------------------------------------! 128 ! Solar heat flux reaching the ocean = z fcm1(W.m-2)130 ! Solar heat flux reaching the ocean = zqsr (W.m-2) 129 131 !--------------------------------------------------- 130 IF( lk_cpl ) THEN 131 !!! LIM2 version zqsr = qsr_tot(ji,jj) + ( fstric(ji,jj) - qsr_ice(ji,jj,1) ) * ( 1.0 - pfrld(ji,jj) ) 132 zfcm1 = qsr_tot(ji,jj) 133 DO jl = 1, jpl 134 zfcm1 = zfcm1 + ( ftr_ice(ji,jj,jl) - qsr_ice(ji,jj,jl) ) * a_i_b(ji,jj,jl) 135 END DO 136 ELSE 137 !!! LIM2 version zqsr = pfrld(ji,jj) * qsr(ji,jj) + ( 1. - pfrld(ji,jj) ) * fstric(ji,jj) 138 zfcm1 = pfrld(ji,jj) * qsr(ji,jj) 139 DO jl = 1, jpl 140 zfcm1 = zfcm1 + a_i_b(ji,jj,jl) * ftr_ice(ji,jj,jl) 141 END DO 142 ENDIF 132 zqsr = qsr_tot(ji,jj) 133 DO jl = 1, jpl 134 zqsr = zqsr - a_i_b(ji,jj,jl) * ( qsr_ice(ji,jj,jl) - ftr_ice(ji,jj,jl) ) 135 END DO 143 136 144 137 ! Total heat flux reaching the ocean = hfx_out (W.m-2) 145 138 !--------------------------------------------------- 146 z f_mass= hfx_thd(ji,jj) + hfx_dyn(ji,jj) + hfx_res(ji,jj) ! heat flux from snow is 0 (T=0 degC)147 hfx_out(ji,jj) = hfx_out(ji,jj) + z f_mass + zfcm1139 zqmass = hfx_thd(ji,jj) + hfx_dyn(ji,jj) + hfx_res(ji,jj) ! heat flux from snow is 0 (T=0 degC) 140 hfx_out(ji,jj) = hfx_out(ji,jj) + zqmass + zqsr 148 141 149 142 ! Add the residual from heat diffusion equation (W.m-2) … … 153 146 ! New qsr and qns used to compute the oceanic heat flux at the next time step 154 147 !--------------------------------------------------- 155 qsr(ji,jj) = z fcm1156 qns(ji,jj) = hfx_out(ji,jj) - z fcm1148 qsr(ji,jj) = zqsr 149 qns(ji,jj) = hfx_out(ji,jj) - zqsr 157 150 158 151 !------------------------------------------! … … 167 160 ! Even if i see Ice melting as a FW and SALT flux 168 161 ! 169 ! computing freshwater exchanges at the ice/ocean interface170 IF( lk_cpl ) THEN171 zemp = emp_tot(ji,jj) & ! net mass flux over grid cell172 & - emp_ice(ji,jj) * ( 1._wp - pfrld(ji,jj) ) & ! minus the mass flux intercepted by sea ice173 & + sprecip(ji,jj) * ( pfrld(ji,jj) - pfrld(ji,jj)**rn_betas ) !174 ELSE175 zemp = emp(ji,jj) * pfrld(ji,jj) & ! evaporation over oceanic fraction176 & - tprecip(ji,jj) * ( 1._wp - pfrld(ji,jj) ) & ! all precipitation reach the ocean177 & + sprecip(ji,jj) * ( 1._wp - pfrld(ji,jj)**rn_betas ) ! except solid precip intercepted by sea-ice178 ENDIF179 180 162 ! mass flux from ice/ocean 181 163 wfx_ice(ji,jj) = wfx_bog(ji,jj) + wfx_bom(ji,jj) + wfx_sum(ji,jj) + wfx_sni(ji,jj) & … … 184 166 ! mass flux at the ocean/ice interface 185 167 fmmflx(ji,jj) = - ( wfx_ice(ji,jj) + wfx_snw(ji,jj) ) * r1_rdtice ! F/M mass flux save at least for biogeochemical model 186 emp(ji,jj) = zemp - wfx_ice(ji,jj) - wfx_snw(ji,jj)! mass flux + F/M mass flux (always ice/ocean mass exchange)168 emp(ji,jj) = emp_oce(ji,jj) - wfx_ice(ji,jj) - wfx_snw(ji,jj) ! mass flux + F/M mass flux (always ice/ocean mass exchange) 187 169 188 170 END DO … … 213 195 tn_ice(:,:,:) = t_su(:,:,:) ! Ice surface temperature 214 196 215 !------------------------------------------------! 216 ! Snow/ice albedo (only if sent to coupler) ! 217 !------------------------------------------------! 218 IF( lk_cpl ) THEN ! coupled case 219 220 CALL wrk_alloc( jpi, jpj, jpl, zalb_cs, zalb_os ) 221 222 CALL albedo_ice( t_su, ht_i, ht_s, zalb_cs, zalb_os ) ! cloud-sky and overcast-sky ice albedos 223 224 alb_ice(:,:,:) = ( 1. - cldf_ice ) * zalb_cs(:,:,:) + cldf_ice * zalb_os(:,:,:) 225 226 CALL wrk_dealloc( jpi, jpj, jpl, zalb_cs, zalb_os ) 227 228 ENDIF 197 !------------------------------------------------------------------------! 198 ! Snow/ice albedo (only if sent to coupler, useless in forced mode) ! 199 !------------------------------------------------------------------------! 200 CALL wrk_alloc( jpi, jpj, jpl, zalb_cs, zalb_os ) 201 CALL albedo_ice( t_su, ht_i, ht_s, zalb_cs, zalb_os ) ! cloud-sky and overcast-sky ice albedos 202 alb_ice(:,:,:) = ( 1. - cldf_ice ) * zalb_cs(:,:,:) + cldf_ice * zalb_os(:,:,:) 203 CALL wrk_dealloc( jpi, jpj, jpl, zalb_cs, zalb_os ) 229 204 230 205 ! conservation test … … 346 321 sice_0(:,:) = 2._wp 347 322 END WHERE 348 ENDIF349 350 IF( .NOT. ln_rstart ) THEN351 fraqsr_1lev(:,:) = 1._wp352 323 ENDIF 353 324 !
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