Changeset 5580 for branches/UKMO/dev_r5107_xios_initialize_toyoce/NEMOGCM/NEMO/LIM_SRC_3/limupdate2.F90
- Timestamp:
- 2015-07-10T10:08:01+02:00 (9 years ago)
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branches/UKMO/dev_r5107_xios_initialize_toyoce/NEMOGCM/NEMO/LIM_SRC_3/limupdate2.F90
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r5277 r5580 5 5 !!====================================================================== 6 6 !! History : 3.0 ! 2006-04 (M. Vancoppenolle) Original code 7 !! 3. 6! 2014-06 (C. Rousset) Complete rewriting/cleaning7 !! 3.5 ! 2014-06 (C. Rousset) Complete rewriting/cleaning 8 8 !!---------------------------------------------------------------------- 9 9 #if defined key_lim3 … … 13 13 !! lim_update2 : computes update of sea-ice global variables from trend terms 14 14 !!---------------------------------------------------------------------- 15 USE limrhg ! ice rheology16 17 USE dom_oce18 USE oce ! dynamics and tracers variables19 USE in_out_manager20 15 USE sbc_oce ! Surface boundary condition: ocean fields 21 16 USE sbc_ice ! Surface boundary condition: ice fields 22 17 USE dom_ice 18 USE dom_oce 23 19 USE phycst ! physical constants 24 20 USE ice 25 USE limdyn26 USE limtrp27 USE limthd28 USE limsbc29 USE limdiahsb30 USE limwri31 USE limrst32 21 USE thd_ice ! LIM thermodynamic sea-ice variables 33 USE par_ice34 22 USE limitd_th 35 USE limitd_me36 23 USE limvar 37 USE prtctl ! Print control 38 USE lbclnk ! lateral boundary condition - MPP exchanges 39 USE wrk_nemo ! work arrays 40 USE lib_fortran ! glob_sum 24 USE prtctl ! Print control 25 USE lbclnk ! lateral boundary condition - MPP exchanges 26 USE wrk_nemo ! work arrays 41 27 USE timing ! Timing 42 USE limcons ! conservation tests 28 USE limcons ! conservation tests 29 USE limctl 30 USE lib_mpp ! MPP library 31 USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) 32 USE in_out_manager 43 33 44 34 IMPLICIT NONE … … 56 46 CONTAINS 57 47 58 SUBROUTINE lim_update2 48 SUBROUTINE lim_update2( kt ) 59 49 !!------------------------------------------------------------------- 60 50 !! *** ROUTINE lim_update2 *** … … 64 54 !! 65 55 !!--------------------------------------------------------------------- 66 INTEGER :: ji, jj, jk, jl ! dummy loop indices 67 INTEGER :: i_ice_switch 68 REAL(wp) :: zh, zsal 69 ! 70 REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b 56 INTEGER, INTENT(in) :: kt ! number of iteration 57 INTEGER :: ji, jj, jk, jl ! dummy loop indices 58 REAL(wp) :: zsal 59 REAL(wp) :: zvi_b, zsmv_b, zei_b, zfs_b, zfw_b, zft_b 71 60 !!------------------------------------------------------------------- 72 61 IF( nn_timing == 1 ) CALL timing_start('limupdate2') 73 62 63 IF( kt == nit000 .AND. lwp ) THEN 64 WRITE(numout,*) ' lim_update2 ' 65 WRITE(numout,*) ' ~~~~~~~~~~~ ' 66 ENDIF 67 74 68 ! conservation test 75 69 IF( ln_limdiahsb ) CALL lim_cons_hsm(0, 'limupdate2', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) 76 70 77 !-----------------78 ! zap small values79 !-----------------80 CALL lim_itd_me_zapsmall81 82 CALL lim_var_glo2eqv83 84 !----------------------------------------------------85 ! Rebin categories with thickness out of bounds86 !----------------------------------------------------87 IF ( jpl > 1 ) CALL lim_itd_th_reb(1, jpl)88 89 71 !---------------------------------------------------------------------- 90 ! Constrain the thickness of the smallest category above hi clim72 ! Constrain the thickness of the smallest category above himin 91 73 !---------------------------------------------------------------------- 92 74 DO jj = 1, jpj 93 75 DO ji = 1, jpi 94 IF( v_i(ji,jj,1) > 0._wp .AND. ht_i(ji,jj,1) < hiclim ) THEN95 zh = hiclim / ht_i(ji,jj,1)96 ht_s(ji,jj,1) = ht_s(ji,jj,1) * zh97 ht_i(ji,jj,1) = ht_i(ji,jj,1) * zh98 a_i (ji,jj,1) = a_i(ji,jj,1) / zh76 rswitch = MAX( 0._wp , SIGN( 1._wp, a_i(ji,jj,1) - epsi20 ) ) !0 if no ice and 1 if yes 77 ht_i(ji,jj,1) = v_i (ji,jj,1) / MAX( a_i(ji,jj,1) , epsi20 ) * rswitch 78 IF( v_i(ji,jj,1) > 0._wp .AND. ht_i(ji,jj,1) < rn_himin ) THEN 79 a_i (ji,jj,1) = a_i (ji,jj,1) * ht_i(ji,jj,1) / rn_himin 80 oa_i(ji,jj,1) = oa_i(ji,jj,1) * ht_i(ji,jj,1) / rn_himin 99 81 ENDIF 100 82 END DO … … 112 94 DO jj = 1, jpj 113 95 DO ji = 1, jpi 114 IF( at_i(ji,jj) > amax .AND. a_i(ji,jj,jl) > 0._wp ) THEN115 a_i (ji,jj,jl) = a_i(ji,jj,jl) * ( 1._wp - ( 1._wp -amax / at_i(ji,jj) ) )116 ht_i(ji,jj,jl) = v_i(ji,jj,jl) / a_i(ji,jj,jl)96 IF( at_i(ji,jj) > rn_amax .AND. a_i(ji,jj,jl) > 0._wp ) THEN 97 a_i (ji,jj,jl) = a_i (ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) ) 98 oa_i(ji,jj,jl) = oa_i(ji,jj,jl) * ( 1._wp - ( 1._wp - rn_amax / at_i(ji,jj) ) ) 117 99 ENDIF 118 100 END DO … … 120 102 END DO 121 103 122 at_i(:,:) = 0.0123 DO jl = 1, jpl124 at_i(:,:) = a_i(:,:,jl) + at_i(:,:)125 END DO126 127 ! --------------------------------------128 ! Final thickness distribution rebinning129 ! --------------------------------------130 IF ( jpl > 1 ) CALL lim_itd_th_reb( 1, jpl )131 132 !-----------------133 ! zap small values134 !-----------------135 CALL lim_itd_me_zapsmall136 137 104 !--------------------- 138 ! 2.11)Ice salinity105 ! Ice salinity 139 106 !--------------------- 140 IF ( n um_sal == 2 ) THEN107 IF ( nn_icesal == 2 ) THEN 141 108 DO jl = 1, jpl 142 109 DO jj = 1, jpj 143 110 DO ji = 1, jpi 144 111 zsal = smv_i(ji,jj,jl) 145 smv_i(ji,jj,jl) = sm_i(ji,jj,jl) * v_i(ji,jj,jl)146 112 ! salinity stays in bounds 147 i_ice_switch= 1._wp - MAX( 0._wp, SIGN( 1._wp, - v_i(ji,jj,jl) ) )148 smv_i(ji,jj,jl) = i_ice_switch * MAX( MIN( s_i_max * v_i(ji,jj,jl), smv_i(ji,jj,jl) ), s_i_min * v_i(ji,jj,jl) ) !+ s_i_min * ( 1._wp - i_ice_switch ) * v_i(ji,jj,jl)113 rswitch = 1._wp - MAX( 0._wp, SIGN( 1._wp, - v_i(ji,jj,jl) ) ) 114 smv_i(ji,jj,jl) = rswitch * MAX( MIN( rn_simax * v_i(ji,jj,jl), smv_i(ji,jj,jl) ), rn_simin * v_i(ji,jj,jl) ) 149 115 ! associated salt flux 150 116 sfx_res(ji,jj) = sfx_res(ji,jj) - ( smv_i(ji,jj,jl) - zsal ) * rhoic * r1_rdtice 151 END DO ! ji152 END DO ! jj153 END DO !jl117 END DO 118 END DO 119 END DO 154 120 ENDIF 155 121 122 !---------------------------------------------------- 123 ! Rebin categories with thickness out of bounds 124 !---------------------------------------------------- 125 IF ( jpl > 1 ) CALL lim_itd_th_reb( 1, jpl ) 126 127 !----------------- 128 ! zap small values 129 !----------------- 130 CALL lim_var_zapsmall 131 156 132 !------------------------------------------------------------------------------ 157 ! 2)Corrections to avoid wrong values |133 ! Corrections to avoid wrong values | 158 134 !------------------------------------------------------------------------------ 159 135 ! Ice drift … … 173 149 CALL lbc_lnk( v_ice(:,:), 'V', -1. ) 174 150 !mask velocities 175 u_ice(:,:) = u_ice(:,:) * tmu(:,:)176 v_ice(:,:) = v_ice(:,:) * tmv(:,:)151 u_ice(:,:) = u_ice(:,:) * umask(:,:,1) 152 v_ice(:,:) = v_ice(:,:) * vmask(:,:,1) 177 153 178 154 ! ------------------------------------------------- 179 155 ! Diagnostics 180 156 ! ------------------------------------------------- 181 d_a_i_thd(:,:,:) = a_i(:,:,:) - a_i_b(:,:,:) 182 d_v_s_thd(:,:,:) = v_s(:,:,:) - v_s_b(:,:,:) 183 d_v_i_thd(:,:,:) = v_i(:,:,:) - v_i_b(:,:,:) 184 d_e_s_thd(:,:,:,:) = e_s(:,:,:,:) - e_s_b(:,:,:,:) 185 d_e_i_thd(:,:,1:nlay_i,:) = e_i(:,:,1:nlay_i,:) - e_i_b(:,:,1:nlay_i,:) 186 !?? d_oa_i_thd(:,:,:) = oa_i (:,:,:) - oa_i_b (:,:,:) 187 d_smv_i_thd(:,:,:) = 0._wp 188 IF( num_sal == 2 ) d_smv_i_thd(:,:,:) = smv_i(:,:,:) - smv_i_b(:,:,:) 189 ! diag only (clem) 190 dv_dt_thd(:,:,:) = d_v_i_thd(:,:,:) * r1_rdtice * rday 191 192 ! heat content variation (W.m-2) 157 DO jl = 1, jpl 158 oa_i(:,:,jl) = oa_i(:,:,jl) + a_i(:,:,jl) * rdt_ice / rday ! ice natural aging 159 afx_thd(:,:) = afx_thd(:,:) + ( a_i(:,:,jl) - a_i_b(:,:,jl) ) * r1_rdtice 160 END DO 161 afx_tot = afx_thd + afx_dyn 162 193 163 DO jj = 1, jpj 194 164 DO ji = 1, jpi 195 diag_heat_dhc(ji,jj) = ( SUM( d_e_i_trp(ji,jj,1:nlay_i,:) + d_e_i_thd(ji,jj,1:nlay_i,:) ) + & 196 & SUM( d_e_s_trp(ji,jj,1:nlay_s,:) + d_e_s_thd(ji,jj,1:nlay_s,:) ) & 197 & ) * unit_fac * r1_rdtice / area(ji,jj) 165 ! heat content variation (W.m-2) 166 diag_heat(ji,jj) = diag_heat(ji,jj) - & 167 & ( SUM( e_i(ji,jj,1:nlay_i,:) - e_i_b(ji,jj,1:nlay_i,:) ) + & 168 & SUM( e_s(ji,jj,1:nlay_s,:) - e_s_b(ji,jj,1:nlay_s,:) ) & 169 & ) * r1_rdtice 170 ! salt, volume 171 diag_smvi(ji,jj) = diag_smvi(ji,jj) + SUM( smv_i(ji,jj,:) - smv_i_b(ji,jj,:) ) * rhoic * r1_rdtice 172 diag_vice(ji,jj) = diag_vice(ji,jj) + SUM( v_i (ji,jj,:) - v_i_b (ji,jj,:) ) * rhoic * r1_rdtice 173 diag_vsnw(ji,jj) = diag_vsnw(ji,jj) + SUM( v_s (ji,jj,:) - v_s_b (ji,jj,:) ) * rhosn * r1_rdtice 198 174 END DO 199 175 END DO 200 176 201 177 ! conservation test 202 IF( ln_limdiahsb ) CALL lim_cons_hsm(0, 'limupdate2', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) 178 IF( ln_limdiahsb ) CALL lim_cons_hsm(1, 'limupdate2', zvi_b, zsmv_b, zei_b, zfw_b, zfs_b, zft_b) 179 180 ! necessary calls (at least for coupling) 181 CALL lim_var_glo2eqv 182 CALL lim_var_agg(2) 183 184 ! ------------------------------------------------- 185 ! control prints 186 ! ------------------------------------------------- 187 IF( ln_icectl ) CALL lim_prt( kt, iiceprt, jiceprt, 2, ' - Final state - ' ) ! control print 203 188 204 189 IF(ln_ctl) THEN ! Control print … … 206 191 CALL prt_ctl_info(' - Cell values : ') 207 192 CALL prt_ctl_info(' ~~~~~~~~~~~~~ ') 208 CALL prt_ctl(tab2d_1= area, clinfo1=' lim_update2 : cell area :')193 CALL prt_ctl(tab2d_1=e12t , clinfo1=' lim_update2 : cell area :') 209 194 CALL prt_ctl(tab2d_1=at_i , clinfo1=' lim_update2 : at_i :') 210 195 CALL prt_ctl(tab2d_1=vt_i , clinfo1=' lim_update2 : vt_i :') … … 226 211 CALL prt_ctl(tab2d_1=a_i (:,:,jl) , clinfo1= ' lim_update2 : a_i : ') 227 212 CALL prt_ctl(tab2d_1=a_i_b (:,:,jl) , clinfo1= ' lim_update2 : a_i_b : ') 228 CALL prt_ctl(tab2d_1=d_a_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_a_i_thd : ')229 213 CALL prt_ctl(tab2d_1=v_i (:,:,jl) , clinfo1= ' lim_update2 : v_i : ') 230 214 CALL prt_ctl(tab2d_1=v_i_b (:,:,jl) , clinfo1= ' lim_update2 : v_i_b : ') 231 CALL prt_ctl(tab2d_1=d_v_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_v_i_thd : ')232 215 CALL prt_ctl(tab2d_1=v_s (:,:,jl) , clinfo1= ' lim_update2 : v_s : ') 233 216 CALL prt_ctl(tab2d_1=v_s_b (:,:,jl) , clinfo1= ' lim_update2 : v_s_b : ') 234 CALL prt_ctl(tab2d_1=d_v_s_thd (:,:,jl) , clinfo1= ' lim_update2 : d_v_s_thd : ') 235 CALL prt_ctl(tab2d_1=e_i (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : e_i1 : ') 236 CALL prt_ctl(tab2d_1=e_i_b (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : e_i1_b : ') 237 CALL prt_ctl(tab2d_1=d_e_i_thd (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : de_i1_thd : ') 238 CALL prt_ctl(tab2d_1=e_i (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : e_i2 : ') 239 CALL prt_ctl(tab2d_1=e_i_b (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : e_i2_b : ') 240 CALL prt_ctl(tab2d_1=d_e_i_thd (:,:,2,jl)/1.0e9, clinfo1= ' lim_update2 : de_i2_thd : ') 217 CALL prt_ctl(tab2d_1=e_i (:,:,1,jl) , clinfo1= ' lim_update2 : e_i1 : ') 218 CALL prt_ctl(tab2d_1=e_i_b (:,:,1,jl) , clinfo1= ' lim_update2 : e_i1_b : ') 219 CALL prt_ctl(tab2d_1=e_i (:,:,2,jl) , clinfo1= ' lim_update2 : e_i2 : ') 220 CALL prt_ctl(tab2d_1=e_i_b (:,:,2,jl) , clinfo1= ' lim_update2 : e_i2_b : ') 241 221 CALL prt_ctl(tab2d_1=e_s (:,:,1,jl) , clinfo1= ' lim_update2 : e_snow : ') 242 222 CALL prt_ctl(tab2d_1=e_s_b (:,:,1,jl) , clinfo1= ' lim_update2 : e_snow_b : ') 243 CALL prt_ctl(tab2d_1=d_e_s_thd (:,:,1,jl)/1.0e9, clinfo1= ' lim_update2 : d_e_s_thd : ')244 223 CALL prt_ctl(tab2d_1=smv_i (:,:,jl) , clinfo1= ' lim_update2 : smv_i : ') 245 224 CALL prt_ctl(tab2d_1=smv_i_b (:,:,jl) , clinfo1= ' lim_update2 : smv_i_b : ') 246 CALL prt_ctl(tab2d_1=d_smv_i_thd(:,:,jl) , clinfo1= ' lim_update2 : d_smv_i_thd : ')247 225 CALL prt_ctl(tab2d_1=oa_i (:,:,jl) , clinfo1= ' lim_update2 : oa_i : ') 248 226 CALL prt_ctl(tab2d_1=oa_i_b (:,:,jl) , clinfo1= ' lim_update2 : oa_i_b : ') 249 CALL prt_ctl(tab2d_1=d_oa_i_thd (:,:,jl) , clinfo1= ' lim_update2 : d_oa_i_thd : ')250 227 251 228 DO jk = 1, nlay_i
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