- Timestamp:
- 2016-07-19T10:38:35+02:00 (8 years ago)
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branches/NERC/dev_r5549_BDY_ZEROGRAD/NEMOGCM/NEMO/LIM_SRC_3/limistate.F90
r5541 r6808 28 28 USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) 29 29 USE wrk_nemo ! work arrays 30 USE fldread ! read input fields 31 USE iom 30 32 31 33 IMPLICIT NONE … … 47 49 REAL(wp) :: rn_tmi_ini_s ! initial temperature 48 50 49 LOGICAL :: ln_iceini ! initialization or not 51 INTEGER , PARAMETER :: jpfldi = 6 ! maximum number of files to read 52 INTEGER , PARAMETER :: jp_hti = 1 ! index of ice thickness (m) at T-point 53 INTEGER , PARAMETER :: jp_hts = 2 ! index of snow thicknes (m) at T-point 54 INTEGER , PARAMETER :: jp_ati = 3 ! index of ice fraction (%) at T-point 55 INTEGER , PARAMETER :: jp_tsu = 4 ! index of ice surface temp (K) at T-point 56 INTEGER , PARAMETER :: jp_tmi = 5 ! index of ice temp at T-point 57 INTEGER , PARAMETER :: jp_smi = 6 ! index of ice sali at T-point 58 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: si ! structure of input fields (file informations, fields read) 59 60 LOGICAL :: ln_iceini ! initialization or not 61 LOGICAL :: ln_iceini_file ! Ice initialization state from 2D netcdf file 50 62 !!---------------------------------------------------------------------- 51 63 !! LIM 3.0, UCL-LOCEAN-IPSL (2008) … … 88 100 REAL(wp) :: ztmelts, zdh 89 101 INTEGER :: i_hemis, i_fill, jl0 90 REAL(wp) :: ztest_1, ztest_2, ztest_3, ztest_4, ztests, zsigma, zarg, zA, zV, zA_cons, zV_cons, zconv 91 REAL(wp), POINTER, DIMENSION(:) :: zht_i_ini, zat_i_ini, zvt_i_ini, zht_s_ini, zsm_i_ini, ztm_i_ini 92 REAL(wp), POINTER, DIMENSION(:,:) :: zh_i_ini, za_i_ini, zv_i_ini 102 REAL(wp) :: ztest_1, ztest_2, ztest_3, ztest_4, ztests, zsigma, zarg, zA, zV, zA_cons, zV_cons, zconv 93 103 REAL(wp), POINTER, DIMENSION(:,:) :: zswitch ! ice indicator 94 INTEGER, POINTER, DIMENSION(:,:) :: zhemis ! hemispheric index 95 !-------------------------------------------------------------------- 96 97 CALL wrk_alloc( jpi, jpj, zswitch ) 98 CALL wrk_alloc( jpi, jpj, zhemis ) 99 CALL wrk_alloc( jpl, 2, zh_i_ini, za_i_ini, zv_i_ini ) 100 CALL wrk_alloc( 2, zht_i_ini, zat_i_ini, zvt_i_ini, zht_s_ini, zsm_i_ini, ztm_i_ini ) 104 REAL(wp), POINTER, DIMENSION(:,:) :: zht_i_ini, zat_i_ini, zvt_i_ini !data from namelist or nc file 105 REAL(wp), POINTER, DIMENSION(:,:) :: zts_u_ini, zht_s_ini, zsm_i_ini, ztm_i_ini !data from namelist or nc file 106 REAL(wp), POINTER, DIMENSION(:,:,:) :: zh_i_ini, za_i_ini, zv_i_ini !data by cattegories to fill 107 !-------------------------------------------------------------------- 108 109 CALL wrk_alloc( jpi, jpj, jpl, zh_i_ini, za_i_ini, zv_i_ini ) 110 CALL wrk_alloc( jpi, jpj, zht_i_ini, zat_i_ini, zvt_i_ini, zts_u_ini, zht_s_ini, zsm_i_ini, ztm_i_ini ) 111 CALL wrk_alloc( jpi, jpj, zswitch ) 101 112 102 113 IF(lwp) WRITE(numout,*) … … 120 131 t_bo(:,:) = ( t_bo(:,:) + rt0 ) * tmask(:,:,1) 121 132 133 122 134 IF( ln_iceini ) THEN 123 135 124 !-------------------------------------------------------------------- 125 ! 2) Basal temperature, ice mask and hemispheric index 126 !-------------------------------------------------------------------- 127 128 DO jj = 1, jpj ! ice if sst <= t-freez + ttest 129 DO ji = 1, jpi 130 IF( ( sst_m(ji,jj) - ( t_bo(ji,jj) - rt0 ) ) * tmask(ji,jj,1) >= rn_thres_sst ) THEN 131 zswitch(ji,jj) = 0._wp * tmask(ji,jj,1) ! no ice 132 ELSE 133 zswitch(ji,jj) = 1._wp * tmask(ji,jj,1) ! ice 134 ENDIF 136 !-------------------------------------------------------------------- 137 ! 2) Basal temperature, ice mask and hemispheric index 138 !-------------------------------------------------------------------- 139 140 DO jj = 1, jpj ! ice if sst <= t-freez + ttest 141 DO ji = 1, jpi 142 IF( ( sst_m(ji,jj) - ( t_bo(ji,jj) - rt0 ) ) * tmask(ji,jj,1) >= rn_thres_sst ) THEN 143 zswitch(ji,jj) = 0._wp * tmask(ji,jj,1) ! no ice 144 ELSE 145 zswitch(ji,jj) = 1._wp * tmask(ji,jj,1) ! ice 146 ENDIF 147 END DO 135 148 END DO 136 END DO 137 138 139 ! Hemispheric index 140 DO jj = 1, jpj 141 DO ji = 1, jpi 142 IF( fcor(ji,jj) >= 0._wp ) THEN 143 zhemis(ji,jj) = 1 ! Northern hemisphere 144 ELSE 145 zhemis(ji,jj) = 2 ! Southern hemisphere 146 ENDIF 147 END DO 148 END DO 149 150 !-------------------------------------------------------------------- 151 ! 3) Initialization of sea ice state variables 152 !-------------------------------------------------------------------- 153 154 !----------------------------- 155 ! 3.1) Hemisphere-dependent arrays 156 !----------------------------- 157 ! assign initial thickness, concentration, snow depth and salinity to an hemisphere-dependent array 158 zht_i_ini(1) = rn_hti_ini_n ; zht_i_ini(2) = rn_hti_ini_s ! ice thickness 159 zht_s_ini(1) = rn_hts_ini_n ; zht_s_ini(2) = rn_hts_ini_s ! snow depth 160 zat_i_ini(1) = rn_ati_ini_n ; zat_i_ini(2) = rn_ati_ini_s ! ice concentration 161 zsm_i_ini(1) = rn_smi_ini_n ; zsm_i_ini(2) = rn_smi_ini_s ! bulk ice salinity 162 ztm_i_ini(1) = rn_tmi_ini_n ; ztm_i_ini(2) = rn_tmi_ini_s ! temperature (ice and snow) 163 164 zvt_i_ini(:) = zht_i_ini(:) * zat_i_ini(:) ! ice volume 165 166 !--------------------------------------------------------------------- 167 ! 3.2) Distribute ice concentration and thickness into the categories 168 !--------------------------------------------------------------------- 169 ! a gaussian distribution for ice concentration is used 170 ! then we check whether the distribution fullfills 171 ! volume and area conservation, positivity and ice categories bounds 172 DO i_hemis = 1, 2 173 174 ztest_1 = 0 ; ztest_2 = 0 ; ztest_3 = 0 ; ztest_4 = 0 175 176 ! note for the great nemo engineers: 177 ! only very few of the WRITE statements are necessary for the reference version 178 ! they were one day useful, but now i personally doubt of their 179 ! potential for bringing anything useful 180 181 DO i_fill = jpl, 1, -1 182 IF ( ( ztest_1 + ztest_2 + ztest_3 + ztest_4 ) .NE. 4 ) THEN 183 !---------------------------- 184 ! fill the i_fill categories 185 !---------------------------- 186 ! *** 1 category to fill 187 IF ( i_fill .EQ. 1 ) THEN 188 zh_i_ini(1,i_hemis) = zht_i_ini(i_hemis) 189 za_i_ini(1,i_hemis) = zat_i_ini(i_hemis) 190 zh_i_ini(2:jpl,i_hemis) = 0._wp 191 za_i_ini(2:jpl,i_hemis) = 0._wp 192 ELSE 193 194 ! *** >1 categores to fill 195 !--- Ice thicknesses in the i_fill - 1 first categories 196 DO jl = 1, i_fill - 1 197 zh_i_ini(jl,i_hemis) = hi_mean(jl) 198 END DO 199 200 !--- jl0: most likely index where cc will be maximum 201 DO jl = 1, jpl 202 IF ( ( zht_i_ini(i_hemis) > hi_max(jl-1) ) .AND. & 203 & ( zht_i_ini(i_hemis) <= hi_max(jl) ) ) THEN 204 jl0 = jl 149 150 !-------------------------------------------------------------------- 151 ! 3) Initialization of sea ice state variables 152 !-------------------------------------------------------------------- 153 IF( ln_iceini_file )THEN 154 155 zht_i_ini(:,:) = si(jp_hti)%fnow(:,:,1) 156 zht_s_ini(:,:) = si(jp_hts)%fnow(:,:,1) 157 zat_i_ini(:,:) = si(jp_ati)%fnow(:,:,1) 158 zts_u_ini(:,:) = si(jp_tsu)%fnow(:,:,1) 159 ztm_i_ini(:,:) = si(jp_tmi)%fnow(:,:,1) 160 zsm_i_ini(:,:) = si(jp_smi)%fnow(:,:,1) 161 162 ELSE ! ln_iceini_file = F 163 164 !----------------------------- 165 ! 3.1) Hemisphere-dependent arrays 166 !----------------------------- 167 ! assign initial thickness, concentration, snow depth and salinity to an hemisphere-dependent array 168 DO jj = 1, jpj 169 DO ji = 1, jpi 170 IF( fcor(ji,jj) >= 0._wp ) THEN 171 zht_i_ini(ji,jj) = rn_hti_ini_n 172 zht_s_ini(ji,jj) = rn_hts_ini_n 173 zat_i_ini(ji,jj) = rn_ati_ini_n 174 zts_u_ini(ji,jj) = rn_tmi_ini_n 175 zsm_i_ini(ji,jj) = rn_smi_ini_n 176 ztm_i_ini(ji,jj) = rn_tmi_ini_n 177 ELSE 178 zht_i_ini(ji,jj) = rn_hti_ini_s 179 zht_s_ini(ji,jj) = rn_hts_ini_s 180 zat_i_ini(ji,jj) = rn_ati_ini_s 181 zts_u_ini(ji,jj) = rn_tmi_ini_s 182 zsm_i_ini(ji,jj) = rn_smi_ini_s 183 ztm_i_ini(ji,jj) = rn_tmi_ini_s 205 184 ENDIF 206 185 END DO 207 jl0 = MIN(jl0, i_fill) 208 209 !--- Concentrations 210 za_i_ini(jl0,i_hemis) = zat_i_ini(i_hemis) / SQRT(REAL(jpl)) 211 DO jl = 1, i_fill - 1 212 IF ( jl .NE. jl0 ) THEN 213 zsigma = 0.5 * zht_i_ini(i_hemis) 214 zarg = ( zh_i_ini(jl,i_hemis) - zht_i_ini(i_hemis) ) / zsigma 215 za_i_ini(jl,i_hemis) = za_i_ini(jl0,i_hemis) * EXP(-zarg**2) 216 ENDIF 217 END DO 218 219 zA = 0. ! sum of the areas in the jpl categories 220 DO jl = 1, i_fill - 1 221 zA = zA + za_i_ini(jl,i_hemis) 222 END DO 223 za_i_ini(i_fill,i_hemis) = zat_i_ini(i_hemis) - zA ! ice conc in the last category 224 IF ( i_fill .LT. jpl ) za_i_ini(i_fill+1:jpl, i_hemis) = 0._wp 225 226 !--- Ice thickness in the last category 227 zV = 0. ! sum of the volumes of the N-1 categories 228 DO jl = 1, i_fill - 1 229 zV = zV + za_i_ini(jl,i_hemis)*zh_i_ini(jl,i_hemis) 230 END DO 231 zh_i_ini(i_fill,i_hemis) = ( zvt_i_ini(i_hemis) - zV ) / za_i_ini(i_fill,i_hemis) 232 IF ( i_fill .LT. jpl ) zh_i_ini(i_fill+1:jpl, i_hemis) = 0._wp 233 234 !--- volumes 235 zv_i_ini(:,i_hemis) = za_i_ini(:,i_hemis) * zh_i_ini(:,i_hemis) 236 IF ( i_fill .LT. jpl ) zv_i_ini(i_fill+1:jpl, i_hemis) = 0._wp 237 238 ENDIF ! i_fill 239 240 !--------------------- 241 ! Compatibility tests 242 !--------------------- 243 ! Test 1: area conservation 244 zA_cons = SUM(za_i_ini(:,i_hemis)) ; zconv = ABS(zat_i_ini(i_hemis) - zA_cons ) 245 IF ( zconv .LT. 1.0e-6 ) THEN 246 ztest_1 = 1 247 ELSE 248 ! this write is useful 249 IF(lwp) WRITE(numout,*) ' * TEST1 AREA NOT CONSERVED *** zA_cons = ', zA_cons,' zat_i_ini = ',zat_i_ini(i_hemis) 250 ztest_1 = 0 251 ENDIF 252 253 ! Test 2: volume conservation 254 zV_cons = SUM(zv_i_ini(:,i_hemis)) 255 zconv = ABS(zvt_i_ini(i_hemis) - zV_cons) 256 257 IF ( zconv .LT. 1.0e-6 ) THEN 258 ztest_2 = 1 259 ELSE 260 ! this write is useful 261 IF(lwp) WRITE(numout,*) ' * TEST2 VOLUME NOT CONSERVED *** zV_cons = ', zV_cons, & 262 ' zvt_i_ini = ', zvt_i_ini(i_hemis) 263 ztest_2 = 0 264 ENDIF 265 266 ! Test 3: thickness of the last category is in-bounds ? 267 IF ( zh_i_ini(i_fill, i_hemis) > hi_max(i_fill-1) ) THEN 268 ztest_3 = 1 269 ELSE 270 ! this write is useful 271 IF(lwp) WRITE(numout,*) ' * TEST 3 THICKNESS OF THE LAST CATEGORY OUT OF BOUNDS *** zh_i_ini(i_fill,i_hemis) = ', & 272 zh_i_ini(i_fill,i_hemis), ' hi_max(jpl-1) = ', hi_max(i_fill-1) 273 ztest_3 = 0 274 ENDIF 275 276 ! Test 4: positivity of ice concentrations 277 ztest_4 = 1 278 DO jl = 1, jpl 279 IF ( za_i_ini(jl,i_hemis) .LT. 0._wp ) THEN 280 ! this write is useful 281 IF(lwp) WRITE(numout,*) ' * TEST 4 POSITIVITY NOT OK FOR CAT ', jl, ' WITH A = ', za_i_ini(jl,i_hemis) 282 ztest_4 = 0 283 ENDIF 284 END DO 285 286 ENDIF ! ztest_1 + ztest_2 + ztest_3 + ztest_4 287 288 ztests = ztest_1 + ztest_2 + ztest_3 + ztest_4 289 290 END DO ! i_fill 291 292 IF(lwp) THEN 293 WRITE(numout,*) ' ztests : ', ztests 294 IF ( ztests .NE. 4 ) THEN 295 WRITE(numout,*) 296 WRITE(numout,*) ' !!!! ALERT !!! ' 297 WRITE(numout,*) ' !!!! Something is wrong in the LIM3 initialization procedure ' 298 WRITE(numout,*) 299 WRITE(numout,*) ' *** ztests is not equal to 4 ' 300 WRITE(numout,*) ' *** ztest_i (i=1,4) = ', ztest_1, ztest_2, ztest_3, ztest_4 301 WRITE(numout,*) ' zat_i_ini : ', zat_i_ini(i_hemis) 302 WRITE(numout,*) ' zht_i_ini : ', zht_i_ini(i_hemis) 303 ENDIF ! ztests .NE. 4 304 ENDIF 305 306 END DO ! i_hemis 307 308 !--------------------------------------------------------------------- 309 ! 3.3) Space-dependent arrays for ice state variables 310 !--------------------------------------------------------------------- 311 312 ! Ice concentration, thickness and volume, ice salinity, ice age, surface temperature 313 DO jl = 1, jpl ! loop over categories 186 END DO 187 188 ENDIF ! ln_iceini_file 189 190 zvt_i_ini(:,:) = zht_i_ini(:,:) * zat_i_ini(:,:) ! ice volume 191 192 !--------------------------------------------------------------------- 193 ! 3.2) Distribute ice concentration and thickness into the categories 194 !--------------------------------------------------------------------- 195 ! a gaussian distribution for ice concentration is used 196 ! then we check whether the distribution fullfills 197 ! volume and area conservation, positivity and ice categories bounds 198 zh_i_ini(:,:,:) = 0._wp 199 za_i_ini(:,:,:) = 0._wp 200 zv_i_ini(:,:,:) = 0._wp 201 314 202 DO jj = 1, jpj 315 203 DO ji = 1, jpi 316 a_i(ji,jj,jl) = zswitch(ji,jj) * za_i_ini (jl,zhemis(ji,jj)) ! concentration 317 ht_i(ji,jj,jl) = zswitch(ji,jj) * zh_i_ini(jl,zhemis(ji,jj)) ! ice thickness 318 ht_s(ji,jj,jl) = ht_i(ji,jj,jl) * ( zht_s_ini( zhemis(ji,jj) ) / zht_i_ini( zhemis(ji,jj) ) ) ! snow depth 319 sm_i(ji,jj,jl) = zswitch(ji,jj) * zsm_i_ini(zhemis(ji,jj)) ! salinity 320 o_i(ji,jj,jl) = zswitch(ji,jj) * 1._wp ! age (1 day) 321 t_su(ji,jj,jl) = zswitch(ji,jj) * ztm_i_ini(zhemis(ji,jj)) + ( 1._wp - zswitch(ji,jj) ) * rt0 ! surf temp 322 323 ! This case below should not be used if (ht_s/ht_i) is ok in namelist 324 ! In case snow load is in excess that would lead to transformation from snow to ice 325 ! Then, transfer the snow excess into the ice (different from limthd_dh) 326 zdh = MAX( 0._wp, ( rhosn * ht_s(ji,jj,jl) + ( rhoic - rau0 ) * ht_i(ji,jj,jl) ) * r1_rau0 ) 327 ! recompute ht_i, ht_s avoiding out of bounds values 328 ht_i(ji,jj,jl) = MIN( hi_max(jl), ht_i(ji,jj,jl) + zdh ) 329 ht_s(ji,jj,jl) = MAX( 0._wp, ht_s(ji,jj,jl) - zdh * rhoic * r1_rhosn ) 330 331 ! ice volume, salt content, age content 332 v_i(ji,jj,jl) = ht_i(ji,jj,jl) * a_i(ji,jj,jl) ! ice volume 333 v_s(ji,jj,jl) = ht_s(ji,jj,jl) * a_i(ji,jj,jl) ! snow volume 334 smv_i(ji,jj,jl) = MIN( sm_i(ji,jj,jl) , sss_m(ji,jj) ) * v_i(ji,jj,jl) ! salt content 335 oa_i(ji,jj,jl) = o_i(ji,jj,jl) * a_i(ji,jj,jl) ! age content 336 END DO 337 END DO 338 END DO 339 340 ! Snow temperature and heat content 341 DO jk = 1, nlay_s 204 205 IF( zat_i_ini(ji,jj) > 0._wp .AND. zht_i_ini(ji,jj) > 0._wp )THEN 206 207 ztest_1 = 0 ; ztest_2 = 0 ; ztest_3 = 0 ; ztest_4 = 0 208 ! ztests = 0 209 210 DO i_fill = jpl, 1, -1 211 212 ! IF( ztests .NE. 4 ) THEN 213 IF ( ( ztest_1 + ztest_2 + ztest_3 + ztest_4 ) .NE. 4 ) THEN 214 !---------------------------- 215 ! fill the i_fill categories 216 !---------------------------- 217 ! *** 1 category to fill 218 IF ( i_fill .EQ. 1 ) THEN 219 zh_i_ini(ji,jj, 1) = zht_i_ini(ji,jj) 220 za_i_ini(ji,jj, 1) = zat_i_ini(ji,jj) 221 zh_i_ini(ji,jj,2:jpl) = 0._wp 222 za_i_ini(ji,jj,2:jpl) = 0._wp 223 ELSE 224 225 ! *** >1 categores to fill 226 !--- Ice thicknesses in the i_fill - 1 first categories 227 DO jl = 1, i_fill - 1 228 zh_i_ini(ji,jj,jl) = hi_mean(jl) 229 END DO 230 231 !--- jl0: most likely index where cc will be maximum 232 DO jl = 1, jpl 233 IF ( ( zht_i_ini(ji,jj) > hi_max(jl-1) ) .AND. & 234 & ( zht_i_ini(ji,jj) <= hi_max(jl) ) ) THEN 235 jl0 = jl 236 ENDIF 237 END DO 238 jl0 = MIN(jl0, i_fill) 239 240 !--- Concentrations 241 za_i_ini(ji,jj,jl0) = zat_i_ini(ji,jj) / SQRT(REAL(jpl)) 242 DO jl = 1, i_fill - 1 243 IF( jl .NE. jl0 )THEN 244 zsigma = 0.5 * zht_i_ini(ji,jj) 245 zarg = ( zh_i_ini(ji,jj,jl) - zht_i_ini(ji,jj) ) / zsigma 246 za_i_ini(ji,jj,jl) = za_i_ini(ji,jj,jl0) * EXP(-zarg**2) 247 ENDIF 248 END DO 249 250 zA = 0. ! sum of the areas in the jpl categories 251 DO jl = 1, i_fill - 1 252 zA = zA + za_i_ini(ji,jj,jl) 253 END DO 254 za_i_ini(ji,jj,i_fill) = zat_i_ini(ji,jj) - zA ! ice conc in the last category 255 IF ( i_fill .LT. jpl ) za_i_ini(ji,jj,i_fill+1:jpl) = 0._wp 256 257 !--- Ice thickness in the last category 258 zV = 0. ! sum of the volumes of the N-1 categories 259 DO jl = 1, i_fill - 1 260 zV = zV + za_i_ini(ji,jj,jl)*zh_i_ini(ji,jj,jl) 261 END DO 262 zh_i_ini(ji,jj,i_fill) = ( zvt_i_ini(ji,jj) - zV ) / za_i_ini(ji,jj,i_fill) 263 IF ( i_fill .LT. jpl ) zh_i_ini(ji,jj,i_fill+1:jpl) = 0._wp 264 265 !--- volumes 266 zv_i_ini(ji,jj,:) = za_i_ini(ji,jj,:) * zh_i_ini(ji,jj,:) 267 IF ( i_fill .LT. jpl ) zv_i_ini(ji,jj,i_fill+1:jpl) = 0._wp 268 269 ENDIF ! i_fill 270 271 !--------------------- 272 ! Compatibility tests 273 !--------------------- 274 ! Test 1: area conservation 275 zA_cons = SUM(za_i_ini(ji,jj,:)) ; zconv = ABS(zat_i_ini(ji,jj) - zA_cons ) 276 IF ( zconv .LT. 1.0e-6 ) THEN 277 ztest_1 = 1 278 ELSE 279 !this write is useful 280 IF(lwp) WRITE(numout,*) ' * TEST1 AREA NOT CONSERVED *** zA_cons = ', zA_cons,' zat_i_ini = ',zat_i_ini(ji,jj) 281 ztest_1 = 0 282 ENDIF 283 284 ! Test 2: volume conservation 285 zV_cons = SUM(zv_i_ini(ji,jj,:)) 286 zconv = ABS(zvt_i_ini(ji,jj) - zV_cons) 287 288 IF( zconv .LT. 1.0e-6 ) THEN 289 ztest_2 = 1 290 ELSE 291 !this write is useful 292 IF(lwp) WRITE(numout,*) ' * TEST2 VOLUME NOT CONSERVED *** zV_cons = ', zV_cons, & 293 ' zvt_i_ini = ', zvt_i_ini(ji,jj) 294 ztest_2 = 0 295 ENDIF 296 297 ! Test 3: thickness of the last category is in-bounds ? 298 IF ( zh_i_ini(ji,jj,i_fill) > hi_max(i_fill-1) ) THEN 299 ztest_3 = 1 300 ELSE 301 ! this write is useful 302 IF(lwp) WRITE(numout,*) ' * TEST 3 THICKNESS OF THE LAST CATEGORY OUT OF BOUNDS *** zh_i_ini(ji,jj,i_fill) = ', & 303 zh_i_ini(ji,jj,i_fill), ' hi_max(jpl-1) = ', hi_max(i_fill-1) 304 IF(lwp) WRITE(numout,*) ' ji,jj,i_fill ',ji,jj,i_fill 305 IF(lwp) WRITE(numout,*) 'zht_i_ini ',zht_i_ini(ji,jj) 306 ztest_3 = 0 307 ENDIF 308 309 ! Test 4: positivity of ice concentrations 310 ztest_4 = 1 311 DO jl = 1, jpl 312 IF ( za_i_ini(ji,jj,jl) .LT. 0._wp ) THEN 313 ! this write is useful 314 IF(lwp) WRITE(numout,*) ' * TEST 4 POSITIVITY NOT OK FOR CAT ', jl, ' WITH A = ', za_i_ini(ji,jj,jl) 315 ztest_4 = 0 316 ENDIF 317 END DO 318 319 ENDIF ! ztest_1 + ztest_2 + ztest_3 + ztest_4 320 321 ztests = ztest_1 + ztest_2 + ztest_3 + ztest_4 322 323 END DO ! i_fill 324 325 IF(lwp) THEN 326 WRITE(numout,*) ' ztests : ', ztests 327 IF( ztests .NE. 4 )THEN 328 WRITE(numout,*) 329 WRITE(numout,*) ' !!!! ALERT !!! ' 330 WRITE(numout,*) ' !!!! Something is wrong in the LIM3 initialization procedure ' 331 WRITE(numout,*) 332 WRITE(numout,*) ' *** ztests is not equal to 4 ' 333 WRITE(numout,*) ' *** ztest_i (i=1,4) = ', ztest_1, ztest_2, ztest_3, ztest_4 334 WRITE(numout,*) ' zat_i_ini : ', zat_i_ini(ji,jj) 335 WRITE(numout,*) ' zht_i_ini : ', zht_i_ini(ji,jj) 336 ENDIF ! ztests .NE. 4 337 ENDIF 338 339 ENDIF ! zat_i_ini(ji,jj) > 0._wp .AND. zhm_i_ini(ji,jj) > 0._wp 340 341 ENDDO 342 ENDDO 343 344 !--------------------------------------------------------------------- 345 ! 3.3) Space-dependent arrays for ice state variables 346 !--------------------------------------------------------------------- 347 348 ! Ice concentration, thickness and volume, ice salinity, ice age, surface temperature 342 349 DO jl = 1, jpl ! loop over categories 343 350 DO jj = 1, jpj 344 351 DO ji = 1, jpi 345 t_s(ji,jj,jk,jl) = zswitch(ji,jj) * ztm_i_ini(zhemis(ji,jj)) + ( 1._wp - zswitch(ji,jj) ) * rt0 346 ! Snow energy of melting 347 e_s(ji,jj,jk,jl) = zswitch(ji,jj) * rhosn * ( cpic * ( rt0 - t_s(ji,jj,jk,jl) ) + lfus ) 348 349 ! Mutliply by volume, and divide by number of layers to get heat content in J/m2 350 e_s(ji,jj,jk,jl) = e_s(ji,jj,jk,jl) * v_s(ji,jj,jl) * r1_nlay_s 352 a_i(ji,jj,jl) = zswitch(ji,jj) * za_i_ini(ji,jj,jl) ! concentration 353 ht_i(ji,jj,jl) = zswitch(ji,jj) * zh_i_ini(ji,jj,jl) ! ice thickness 354 sm_i(ji,jj,jl) = zswitch(ji,jj) * zsm_i_ini(ji,jj) ! salinity 355 o_i(ji,jj,jl) = zswitch(ji,jj) * 1._wp ! age (1 day) 356 t_su(ji,jj,jl) = zswitch(ji,jj) * zts_u_ini(ji,jj) + ( 1._wp - zswitch(ji,jj) ) * rt0 ! surf temp 357 358 IF( zht_i_ini(ji,jj) > 0._wp )THEN 359 ht_s(ji,jj,jl)= ht_i(ji,jj,jl) * ( zht_s_ini(ji,jj) / zht_i_ini(ji,jj) ) ! snow depth 360 ELSE 361 ht_s(ji,jj,jl)= 0._wp 362 ENDIF 363 364 ! This case below should not be used if (ht_s/ht_i) is ok in namelist 365 ! In case snow load is in excess that would lead to transformation from snow to ice 366 ! Then, transfer the snow excess into the ice (different from limthd_dh) 367 zdh = MAX( 0._wp, ( rhosn * ht_s(ji,jj,jl) + ( rhoic - rau0 ) * ht_i(ji,jj,jl) ) * r1_rau0 ) 368 ! recompute ht_i, ht_s avoiding out of bounds values 369 ht_i(ji,jj,jl) = MIN( hi_max(jl), ht_i(ji,jj,jl) + zdh ) 370 ht_s(ji,jj,jl) = MAX( 0._wp, ht_s(ji,jj,jl) - zdh * rhoic * r1_rhosn ) 371 372 ! ice volume, salt content, age content 373 v_i(ji,jj,jl) = ht_i(ji,jj,jl) * a_i(ji,jj,jl) ! ice volume 374 v_s(ji,jj,jl) = ht_s(ji,jj,jl) * a_i(ji,jj,jl) ! snow volume 375 smv_i(ji,jj,jl) = MIN( sm_i(ji,jj,jl) , sss_m(ji,jj) ) * v_i(ji,jj,jl) ! salt content 376 oa_i(ji,jj,jl) = o_i(ji,jj,jl) * a_i(ji,jj,jl) ! age content 351 377 END DO 352 378 END DO 353 379 END DO 354 END DO 355 356 ! Ice salinity, temperature and heat content 357 DO jk = 1, nlay_i 358 DO jl = 1, jpl ! loop over categories 359 DO jj = 1, jpj 360 DO ji = 1, jpi 361 t_i(ji,jj,jk,jl) = zswitch(ji,jj) * ztm_i_ini(zhemis(ji,jj)) + ( 1._wp - zswitch(ji,jj) ) * rt0 362 s_i(ji,jj,jk,jl) = zswitch(ji,jj) * zsm_i_ini(zhemis(ji,jj)) !+ ( 1._wp - zswitch(ji,jj) ) * rn_simin 363 ztmelts = - tmut * s_i(ji,jj,jk,jl) + rt0 !Melting temperature in K 364 365 ! heat content per unit volume 366 e_i(ji,jj,jk,jl) = zswitch(ji,jj) * rhoic * ( cpic * ( ztmelts - t_i(ji,jj,jk,jl) ) & 367 + lfus * ( 1._wp - (ztmelts-rt0) / MIN((t_i(ji,jj,jk,jl)-rt0),-epsi20) ) & 368 - rcp * ( ztmelts - rt0 ) ) 369 370 ! Mutliply by ice volume, and divide by number of layers to get heat content in J/m2 371 e_i(ji,jj,jk,jl) = e_i(ji,jj,jk,jl) * v_i(ji,jj,jl) * r1_nlay_i 380 381 ! Snow temperature and heat content 382 DO jk = 1, nlay_s 383 DO jl = 1, jpl ! loop over categories 384 DO jj = 1, jpj 385 DO ji = 1, jpi 386 t_s(ji,jj,jk,jl) = zswitch(ji,jj) * ztm_i_ini(ji,jj) + ( 1._wp - zswitch(ji,jj) ) * rt0 387 ! Snow energy of melting 388 e_s(ji,jj,jk,jl) = zswitch(ji,jj) * rhosn * ( cpic * ( rt0 - t_s(ji,jj,jk,jl) ) + lfus ) 389 390 ! Mutliply by volume, and divide by number of layers to get heat content in J/m2 391 e_s(ji,jj,jk,jl) = e_s(ji,jj,jk,jl) * v_s(ji,jj,jl) * r1_nlay_s 392 END DO 372 393 END DO 373 394 END DO 374 395 END DO 375 END DO 376 377 tn_ice (:,:,:) = t_su (:,:,:) 378 379 ELSE 380 ! if ln_iceini=false 396 397 ! Ice salinity, temperature and heat content 398 DO jk = 1, nlay_i 399 DO jl = 1, jpl ! loop over categories 400 DO jj = 1, jpj 401 DO ji = 1, jpi 402 t_i(ji,jj,jk,jl) = zswitch(ji,jj) * ztm_i_ini(ji,jj) + ( 1._wp - zswitch(ji,jj) ) * rt0 403 s_i(ji,jj,jk,jl) = zswitch(ji,jj) * zsm_i_ini(ji,jj) + ( 1._wp - zswitch(ji,jj) ) * rn_simin 404 ztmelts = - tmut * s_i(ji,jj,jk,jl) + rt0 !Melting temperature in K 405 406 ! heat content per unit volume 407 e_i(ji,jj,jk,jl) = zswitch(ji,jj) * rhoic * ( cpic * ( ztmelts - t_i(ji,jj,jk,jl) ) & 408 + lfus * ( 1._wp - (ztmelts-rt0) / MIN((t_i(ji,jj,jk,jl)-rt0),-epsi20) ) & 409 - rcp * ( ztmelts - rt0 ) ) 410 411 ! Mutliply by ice volume, and divide by number of layers to get heat content in J/m2 412 e_i(ji,jj,jk,jl) = e_i(ji,jj,jk,jl) * v_i(ji,jj,jl) * r1_nlay_i 413 END DO 414 END DO 415 END DO 416 END DO 417 418 tn_ice (:,:,:) = t_su (:,:,:) 419 420 ELSE ! if ln_iceini=false 381 421 a_i (:,:,:) = 0._wp 382 422 v_i (:,:,:) = 0._wp … … 400 440 END DO 401 441 END DO 402 442 403 443 ENDIF ! ln_iceini 404 444 … … 452 492 453 493 454 CALL wrk_dealloc( jpi, jpj, zswitch ) 455 CALL wrk_dealloc( jpi, jpj, zhemis ) 456 CALL wrk_dealloc( jpl, 2, zh_i_ini, za_i_ini, zv_i_ini ) 457 CALL wrk_dealloc( 2, zht_i_ini, zat_i_ini, zvt_i_ini, zht_s_ini, zsm_i_ini, ztm_i_ini ) 494 CALL wrk_dealloc( jpi, jpj, jpl, zh_i_ini, za_i_ini, zv_i_ini ) 495 CALL wrk_dealloc( jpi, jpj, zht_i_ini, zat_i_ini, zvt_i_ini, zts_u_ini, zht_s_ini, zsm_i_ini, ztm_i_ini ) 496 CALL wrk_dealloc( jpi, jpj, zswitch ) 458 497 459 498 END SUBROUTINE lim_istate … … 475 514 !! 8.5 ! 07-11 (M. Vancoppenolle) rewritten initialization 476 515 !!----------------------------------------------------------------------------- 477 NAMELIST/namiceini/ ln_iceini, rn_thres_sst, rn_hts_ini_n, rn_hts_ini_s, rn_hti_ini_n, rn_hti_ini_s, & 478 & rn_ati_ini_n, rn_ati_ini_s, rn_smi_ini_n, rn_smi_ini_s, rn_tmi_ini_n, rn_tmi_ini_s 479 INTEGER :: ios ! Local integer output status for namelist read 516 ! 517 INTEGER :: ios,ierr,inum_ice ! Local integer output status for namelist read 518 INTEGER :: ji,jj 519 INTEGER :: ifpr, ierror 520 ! 521 CHARACTER(len=100) :: cn_dir ! Root directory for location of ice files 522 TYPE(FLD_N) :: sn_hti, sn_hts, sn_ati, sn_tsu, sn_tmi, sn_smi 523 TYPE(FLD_N), DIMENSION(jpfldi) :: slf_i ! array of namelist informations on the fields to read 524 ! 525 NAMELIST/namiceini/ ln_iceini, ln_iceini_file, rn_thres_sst, rn_hts_ini_n, rn_hts_ini_s, & 526 & rn_hti_ini_n, rn_hti_ini_s, rn_ati_ini_n, rn_ati_ini_s, rn_smi_ini_n, & 527 & rn_smi_ini_s, rn_tmi_ini_n, rn_tmi_ini_s, & 528 & sn_hti, sn_hts, sn_ati, sn_tsu, sn_tmi, sn_smi, cn_dir 480 529 !!----------------------------------------------------------------------------- 481 530 ! … … 489 538 IF(lwm) WRITE ( numoni, namiceini ) 490 539 540 slf_i(jp_hti) = sn_hti ; slf_i(jp_hts) = sn_hts 541 slf_i(jp_ati) = sn_ati ; slf_i(jp_tsu) = sn_tsu 542 slf_i(jp_tmi) = sn_tmi ; slf_i(jp_smi) = sn_smi 543 491 544 ! Define the initial parameters 492 545 ! ------------------------- … … 497 550 WRITE(numout,*) '~~~~~~~~~~~~~~~' 498 551 WRITE(numout,*) ' initialization with ice (T) or not (F) ln_iceini = ', ln_iceini 552 WRITE(numout,*) ' ice initialization from a netcdf file ln_iceini_file = ', ln_iceini_file 499 553 WRITE(numout,*) ' threshold water temp. for initial sea-ice rn_thres_sst = ', rn_thres_sst 500 554 WRITE(numout,*) ' initial snow thickness in the north rn_hts_ini_n = ', rn_hts_ini_n … … 510 564 ENDIF 511 565 566 IF( ln_iceini_file ) THEN ! Ice initialization using input file 567 ! 568 ! set si structure 569 ALLOCATE( si(jpfldi), STAT=ierror ) 570 IF( ierror > 0 ) THEN 571 CALL ctl_stop( 'Ice_ini in limistate: unable to allocate si structure' ) ; RETURN 572 ENDIF 573 574 DO ifpr = 1, jpfldi 575 ALLOCATE( si(ifpr)%fnow(jpi,jpj,1) ) 576 ALLOCATE( si(ifpr)%fdta(jpi,jpj,1,2) ) 577 END DO 578 579 ! fill si with slf_i and control print 580 CALL fld_fill( si, slf_i, cn_dir, 'lim_istate', 'lim istate ini', 'numnam_ice' ) 581 582 CALL fld_read( nit000, 1, si ) ! input fields provided at the current time-step 583 584 ENDIF 585 512 586 END SUBROUTINE lim_istate_init 513 587
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