Changeset 5208 for branches/2014/dev_r4650_UKMO11_restart_functionality/NEMOGCM/NEMO/LIM_SRC_3/limthd_dif.F90
- Timestamp:
- 2015-04-13T15:08:59+02:00 (9 years ago)
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branches/2014/dev_r4650_UKMO11_restart_functionality/NEMOGCM/NEMO/LIM_SRC_3/limthd_dif.F90
r4688 r5208 25 25 USE wrk_nemo ! work arrays 26 26 USE lib_fortran ! Fortran utilities (allows no signed zero when 'key_nosignedzero' defined) 27 USE cpl_oasis3, ONLY : lk_cpl27 USE sbc_oce, ONLY : lk_cpl 28 28 29 29 IMPLICIT NONE … … 32 32 PUBLIC lim_thd_dif ! called by lim_thd 33 33 34 REAL(wp) :: epsi10 = 1.e-10_wp !35 34 !!---------------------------------------------------------------------- 36 35 !! NEMO/LIM3 4.0 , UCL - NEMO Consortium (2011) … … 75 74 !! 76 75 !! ** Inputs / Ouputs : (global commons) 77 !! surface temperature : t_su_ b78 !! ice/snow temperatures : t_i_ b, t_s_b79 !! ice salinities : s_i_ b76 !! surface temperature : t_su_1d 77 !! ice/snow temperatures : t_i_1d, t_s_1d 78 !! ice salinities : s_i_1d 80 79 !! number of layers in the ice/snow: nlay_i, nlay_s 81 80 !! profile of the ice/snow layers : z_i, z_s 82 !! total ice/snow thickness : ht_i_ b, ht_s_b81 !! total ice/snow thickness : ht_i_1d, ht_s_1d 83 82 !! 84 83 !! ** External : … … 98 97 INTEGER :: ii, ij ! temporary dummy loop index 99 98 INTEGER :: numeq ! current reference number of equation 100 INTEGER :: layer! vertical dummy loop index99 INTEGER :: jk ! vertical dummy loop index 101 100 INTEGER :: nconv ! number of iterations in iterative procedure 102 101 INTEGER :: minnumeqmin, maxnumeqmax … … 108 107 REAL(wp) :: zgamma = 18009._wp ! for specific heat 109 108 REAL(wp) :: zbeta = 0.117_wp ! for thermal conductivity (could be 0.13) 110 REAL(wp) :: zraext_s = 1 .e+8_wp! extinction coefficient of radiation in the snow109 REAL(wp) :: zraext_s = 10._wp ! extinction coefficient of radiation in the snow 111 110 REAL(wp) :: zkimin = 0.10_wp ! minimum ice thermal conductivity 112 111 REAL(wp) :: ztsu_err = 1.e-5_wp ! range around which t_su is considered as 0°C … … 114 113 REAL(wp) :: zerritmax ! current maximal error on temperature 115 114 REAL(wp), POINTER, DIMENSION(:) :: ztfs ! ice melting point 116 REAL(wp), POINTER, DIMENSION(:) :: ztsu old! old surface temperature (before the iterative procedure )117 REAL(wp), POINTER, DIMENSION(:) :: ztsu oldit! surface temperature at previous iteration115 REAL(wp), POINTER, DIMENSION(:) :: ztsub ! old surface temperature (before the iterative procedure ) 116 REAL(wp), POINTER, DIMENSION(:) :: ztsubit ! surface temperature at previous iteration 118 117 REAL(wp), POINTER, DIMENSION(:) :: zh_i ! ice layer thickness 119 118 REAL(wp), POINTER, DIMENSION(:) :: zh_s ! snow layer thickness … … 129 128 REAL(wp), POINTER, DIMENSION(:,:) :: zradab_i ! Radiation absorbed in the ice 130 129 REAL(wp), POINTER, DIMENSION(:,:) :: zkappa_i ! Kappa factor in the ice 131 REAL(wp), POINTER, DIMENSION(:,:) :: zti old! Old temperature in the ice130 REAL(wp), POINTER, DIMENSION(:,:) :: ztib ! Old temperature in the ice 132 131 REAL(wp), POINTER, DIMENSION(:,:) :: zeta_i ! Eta factor in the ice 133 132 REAL(wp), POINTER, DIMENSION(:,:) :: ztitemp ! Temporary temperature in the ice to check the convergence … … 137 136 REAL(wp), POINTER, DIMENSION(:,:) :: zradab_s ! Radiation absorbed in the snow 138 137 REAL(wp), POINTER, DIMENSION(:,:) :: zkappa_s ! Kappa factor in the snow 139 REAL(wp), POINTER, DIMENSION(:,:) :: zeta_s 140 REAL(wp), POINTER, DIMENSION(:,:) :: ztstemp 141 REAL(wp), POINTER, DIMENSION(:,:) :: zts old! Temporary temperature in the snow142 REAL(wp), POINTER, DIMENSION(:,:) :: z_s 143 REAL(wp), POINTER, DIMENSION(:,:) :: z indterm! Independent term144 REAL(wp), POINTER, DIMENSION(:,:) :: z indtbis! temporary independent term138 REAL(wp), POINTER, DIMENSION(:,:) :: zeta_s ! Eta factor in the snow 139 REAL(wp), POINTER, DIMENSION(:,:) :: ztstemp ! Temporary temperature in the snow to check the convergence 140 REAL(wp), POINTER, DIMENSION(:,:) :: ztsb ! Temporary temperature in the snow 141 REAL(wp), POINTER, DIMENSION(:,:) :: z_s ! Vertical cotes of the layers in the snow 142 REAL(wp), POINTER, DIMENSION(:,:) :: zswiterm ! Independent term 143 REAL(wp), POINTER, DIMENSION(:,:) :: zswitbis ! temporary independent term 145 144 REAL(wp), POINTER, DIMENSION(:,:) :: zdiagbis 146 REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrid ! tridiagonal system terms145 REAL(wp), POINTER, DIMENSION(:,:,:) :: ztrid ! tridiagonal system terms 147 146 ! diag errors on heat 148 REAL(wp), POINTER, DIMENSION(:) :: zdq, zq_ini 149 REAL(wp) :: zhfx_err 147 REAL(wp), POINTER, DIMENSION(:) :: zdq, zq_ini, zhfx_err 150 148 !!------------------------------------------------------------------ 151 149 ! 152 150 CALL wrk_alloc( jpij, numeqmin, numeqmax, isnow ) 153 CALL wrk_alloc( jpij, ztfs, ztsu old, ztsuoldit, zh_i, zh_s, zfsw )151 CALL wrk_alloc( jpij, ztfs, ztsub, ztsubit, zh_i, zh_s, zfsw ) 154 152 CALL wrk_alloc( jpij, zf, dzf, zerrit, zdifcase, zftrice, zihic, zhsu ) 155 CALL wrk_alloc( jpij, nlay_i+1, ztcond_i, zradtr_i, zradab_i, zkappa_i, zti old, zeta_i, ztitemp, z_i, zspeche_i, kjstart=0)156 CALL wrk_alloc( jpij, nlay_s+1, zradtr_s, zradab_s, zkappa_s, zts old, zeta_s, ztstemp, z_s, kjstart=0)157 CALL wrk_alloc( jpij, jkmax+2, zindterm, zindtbis, zdiagbis )158 CALL wrk_alloc( jpij, jkmax+2, 3, ztrid )159 160 CALL wrk_alloc( jpij, zdq, zq_ini )153 CALL wrk_alloc( jpij, nlay_i+1, ztcond_i, zradtr_i, zradab_i, zkappa_i, ztib, zeta_i, ztitemp, z_i, zspeche_i, kjstart=0) 154 CALL wrk_alloc( jpij, nlay_s+1, zradtr_s, zradab_s, zkappa_s, ztsb, zeta_s, ztstemp, z_s, kjstart=0) 155 CALL wrk_alloc( jpij, nlay_i+3, zswiterm, zswitbis, zdiagbis ) 156 CALL wrk_alloc( jpij, nlay_i+3, 3, ztrid ) 157 158 CALL wrk_alloc( jpij, zdq, zq_ini, zhfx_err ) 161 159 162 160 ! --- diag error on heat diffusion - PART 1 --- ! 163 161 zdq(:) = 0._wp ; zq_ini(:) = 0._wp 164 162 DO ji = kideb, kiut 165 zq_ini(ji) = ( SUM( q_i_ b(ji,1:nlay_i) ) * ht_i_b(ji) / REAL( nlay_i ) + &166 & SUM( q_s_ b(ji,1:nlay_s) ) * ht_s_b(ji) / REAL( nlay_s ) )163 zq_ini(ji) = ( SUM( q_i_1d(ji,1:nlay_i) ) * ht_i_1d(ji) / REAL( nlay_i ) + & 164 & SUM( q_s_1d(ji,1:nlay_s) ) * ht_s_1d(ji) / REAL( nlay_s ) ) 167 165 END DO 168 166 … … 173 171 DO ji = kideb , kiut 174 172 ! is there snow or not 175 isnow(ji)= NINT( 1._wp - MAX( 0._wp , SIGN(1._wp, - ht_s_ b(ji) ) ) )173 isnow(ji)= NINT( 1._wp - MAX( 0._wp , SIGN(1._wp, - ht_s_1d(ji) ) ) ) 176 174 ! surface temperature of fusion 177 175 ztfs(ji) = REAL( isnow(ji) ) * rtt + REAL( 1 - isnow(ji) ) * rtt 178 176 ! layer thickness 179 zh_i(ji) = ht_i_ b(ji) / REAL( nlay_i )180 zh_s(ji) = ht_s_ b(ji) / REAL( nlay_s )177 zh_i(ji) = ht_i_1d(ji) / REAL( nlay_i ) 178 zh_s(ji) = ht_s_1d(ji) / REAL( nlay_s ) 181 179 END DO 182 180 … … 188 186 z_i(:,0) = 0._wp ! vert. coord. of the up. lim. of the 1st ice layer 189 187 190 DO layer= 1, nlay_s ! vert. coord of the up. lim. of the layer-th snow layer191 DO ji = kideb , kiut 192 z_s(ji, layer) = z_s(ji,layer-1) + ht_s_b(ji) / REAL( nlay_s )193 END DO 194 END DO 195 196 DO layer= 1, nlay_i ! vert. coord of the up. lim. of the layer-th ice layer197 DO ji = kideb , kiut 198 z_i(ji, layer) = z_i(ji,layer-1) + ht_i_b(ji) / REAL( nlay_i )188 DO jk = 1, nlay_s ! vert. coord of the up. lim. of the layer-th snow layer 189 DO ji = kideb , kiut 190 z_s(ji,jk) = z_s(ji,jk-1) + ht_s_1d(ji) / REAL( nlay_s ) 191 END DO 192 END DO 193 194 DO jk = 1, nlay_i ! vert. coord of the up. lim. of the layer-th ice layer 195 DO ji = kideb , kiut 196 z_i(ji,jk) = z_i(ji,jk-1) + ht_i_1d(ji) / REAL( nlay_i ) 199 197 END DO 200 198 END DO … … 217 215 DO ji = kideb , kiut 218 216 ! switches 219 isnow(ji) = NINT( 1._wp - MAX( 0._wp , SIGN( 1._wp , - ht_s_ b(ji) ) ) )217 isnow(ji) = NINT( 1._wp - MAX( 0._wp , SIGN( 1._wp , - ht_s_1d(ji) ) ) ) 220 218 ! hs > 0, isnow = 1 221 219 zhsu (ji) = hnzst ! threshold for the computation of i0 222 zihic(ji) = MAX( 0._wp , 1._wp - ( ht_i_ b(ji) / zhsu(ji) ) )220 zihic(ji) = MAX( 0._wp , 1._wp - ( ht_i_1d(ji) / zhsu(ji) ) ) 223 221 224 222 i0(ji) = REAL( 1 - isnow(ji) ) * ( fr1_i0_1d(ji) + zihic(ji) * fr2_i0_1d(ji) ) … … 227 225 ! a function of the cloud cover 228 226 ! 229 !i0(ji) = (1.0-FLOAT(isnow(ji)))*3.0/(100*ht_s_ b(ji)+10.0)227 !i0(ji) = (1.0-FLOAT(isnow(ji)))*3.0/(100*ht_s_1d(ji)+10.0) 230 228 !formula used in Cice 231 229 END DO … … 249 247 END DO 250 248 251 DO layer= 1, nlay_s ! Radiation through snow249 DO jk = 1, nlay_s ! Radiation through snow 252 250 DO ji = kideb, kiut 253 251 ! ! radiation transmitted below the layer-th snow layer 254 zradtr_s(ji, layer) = zradtr_s(ji,0) * EXP( - zraext_s * ( MAX ( 0._wp , z_s(ji,layer) ) ) )252 zradtr_s(ji,jk) = zradtr_s(ji,0) * EXP( - zraext_s * ( MAX ( 0._wp , z_s(ji,jk) ) ) ) 255 253 ! ! radiation absorbed by the layer-th snow layer 256 zradab_s(ji, layer) = zradtr_s(ji,layer-1) - zradtr_s(ji,layer)254 zradab_s(ji,jk) = zradtr_s(ji,jk-1) - zradtr_s(ji,jk) 257 255 END DO 258 256 END DO … … 262 260 END DO 263 261 264 DO layer= 1, nlay_i ! Radiation through ice262 DO jk = 1, nlay_i ! Radiation through ice 265 263 DO ji = kideb, kiut 266 264 ! ! radiation transmitted below the layer-th ice layer 267 zradtr_i(ji, layer) = zradtr_i(ji,0) * EXP( - kappa_i * ( MAX ( 0._wp , z_i(ji,layer) ) ) )265 zradtr_i(ji,jk) = zradtr_i(ji,0) * EXP( - kappa_i * ( MAX ( 0._wp , z_i(ji,jk) ) ) ) 268 266 ! ! radiation absorbed by the layer-th ice layer 269 zradab_i(ji, layer) = zradtr_i(ji,layer-1) - zradtr_i(ji,layer)267 zradab_i(ji,jk) = zradtr_i(ji,jk-1) - zradtr_i(ji,jk) 270 268 END DO 271 269 END DO 272 270 273 271 DO ji = kideb, kiut ! Radiation transmitted below the ice 274 !!!ftr_ice_1d(ji) = ftr_ice_1d(ji) + iatte_1d(ji) * zradtr_i(ji,nlay_i) * a_i_b(ji) / at_i_b(ji) ! clem modif275 272 ftr_ice_1d(ji) = zradtr_i(ji,nlay_i) 276 273 END DO … … 282 279 ! 283 280 DO ji = kideb, kiut ! Old surface temperature 284 ztsu old (ji) = t_su_b(ji) ! temperature at the beg of iter pr.285 ztsu oldit(ji) = t_su_b(ji) ! temperature at the previous iter286 t_su_ b (ji) = MIN( t_su_b(ji), ztfs(ji) - ztsu_err ) ! necessary281 ztsub (ji) = t_su_1d(ji) ! temperature at the beg of iter pr. 282 ztsubit(ji) = t_su_1d(ji) ! temperature at the previous iter 283 t_su_1d (ji) = MIN( t_su_1d(ji), ztfs(ji) - ztsu_err ) ! necessary 287 284 zerrit (ji) = 1000._wp ! initial value of error 288 285 END DO 289 286 290 DO layer= 1, nlay_s ! Old snow temperature291 DO ji = kideb , kiut 292 zts old(ji,layer) = t_s_b(ji,layer)293 END DO 294 END DO 295 296 DO layer= 1, nlay_i ! Old ice temperature297 DO ji = kideb , kiut 298 zti old(ji,layer) = t_i_b(ji,layer)287 DO jk = 1, nlay_s ! Old snow temperature 288 DO ji = kideb , kiut 289 ztsb(ji,jk) = t_s_1d(ji,jk) 290 END DO 291 END DO 292 293 DO jk = 1, nlay_i ! Old ice temperature 294 DO ji = kideb , kiut 295 ztib(ji,jk) = t_i_1d(ji,jk) 299 296 END DO 300 297 END DO … … 313 310 IF( thcon_i_swi == 0 ) THEN ! Untersteiner (1964) formula 314 311 DO ji = kideb , kiut 315 ztcond_i(ji,0) = rcdic + zbeta*s_i_ b(ji,1) / MIN(-epsi10,t_i_b(ji,1)-rtt)312 ztcond_i(ji,0) = rcdic + zbeta*s_i_1d(ji,1) / MIN(-epsi10,t_i_1d(ji,1)-rtt) 316 313 ztcond_i(ji,0) = MAX(ztcond_i(ji,0),zkimin) 317 314 END DO 318 DO layer= 1, nlay_i-1315 DO jk = 1, nlay_i-1 319 316 DO ji = kideb , kiut 320 ztcond_i(ji, layer) = rcdic + zbeta*( s_i_b(ji,layer) + s_i_b(ji,layer+1) ) / &321 MIN(-2.0_wp * epsi10, t_i_ b(ji,layer)+t_i_b(ji,layer+1) - 2.0_wp * rtt)322 ztcond_i(ji, layer) = MAX(ztcond_i(ji,layer),zkimin)317 ztcond_i(ji,jk) = rcdic + zbeta*( s_i_1d(ji,jk) + s_i_1d(ji,jk+1) ) / & 318 MIN(-2.0_wp * epsi10, t_i_1d(ji,jk)+t_i_1d(ji,jk+1) - 2.0_wp * rtt) 319 ztcond_i(ji,jk) = MAX(ztcond_i(ji,jk),zkimin) 323 320 END DO 324 321 END DO … … 327 324 IF( thcon_i_swi == 1 ) THEN ! Pringle et al formula included: 2.11 + 0.09 S/T - 0.011.T 328 325 DO ji = kideb , kiut 329 ztcond_i(ji,0) = rcdic + 0.090_wp * s_i_ b(ji,1) / MIN( -epsi10, t_i_b(ji,1)-rtt ) &330 & - 0.011_wp * ( t_i_ b(ji,1) - rtt )326 ztcond_i(ji,0) = rcdic + 0.090_wp * s_i_1d(ji,1) / MIN( -epsi10, t_i_1d(ji,1)-rtt ) & 327 & - 0.011_wp * ( t_i_1d(ji,1) - rtt ) 331 328 ztcond_i(ji,0) = MAX( ztcond_i(ji,0), zkimin ) 332 329 END DO 333 DO layer= 1, nlay_i-1330 DO jk = 1, nlay_i-1 334 331 DO ji = kideb , kiut 335 ztcond_i(ji,layer) = rcdic + 0.090_wp * ( s_i_b(ji,layer) + s_i_b(ji,layer+1) ) & 336 & / MIN(-2.0_wp * epsi10, t_i_b(ji,layer)+t_i_b(ji,layer+1) - 2.0_wp * rtt) & 337 & - 0.0055_wp* ( t_i_b(ji,layer) + t_i_b(ji,layer+1) - 2.0*rtt ) 338 ztcond_i(ji,layer) = MAX( ztcond_i(ji,layer), zkimin ) 332 ztcond_i(ji,jk) = rcdic + & 333 & 0.090_wp * ( s_i_1d(ji,jk) + s_i_1d(ji,jk+1) ) & 334 & / MIN(-2.0_wp * epsi10, t_i_1d(ji,jk)+t_i_1d(ji,jk+1) - 2.0_wp * rtt) & 335 & - 0.0055_wp* ( t_i_1d(ji,jk) + t_i_1d(ji,jk+1) - 2.0*rtt ) 336 ztcond_i(ji,jk) = MAX( ztcond_i(ji,jk), zkimin ) 339 337 END DO 340 338 END DO 341 339 DO ji = kideb , kiut 342 ztcond_i(ji,nlay_i) = rcdic + 0.090_wp * s_i_ b(ji,nlay_i) / MIN(-epsi10,t_bo_b(ji)-rtt) &343 & - 0.011_wp * ( t_bo_ b(ji) - rtt )340 ztcond_i(ji,nlay_i) = rcdic + 0.090_wp * s_i_1d(ji,nlay_i) / MIN(-epsi10,t_bo_1d(ji)-rtt) & 341 & - 0.011_wp * ( t_bo_1d(ji) - rtt ) 344 342 ztcond_i(ji,nlay_i) = MAX( ztcond_i(ji,nlay_i), zkimin ) 345 343 END DO … … 357 355 END DO 358 356 359 DO layer= 1, nlay_s-1360 DO ji = kideb , kiut 361 zkappa_s(ji, layer) = 2.0 * rcdsn / &357 DO jk = 1, nlay_s-1 358 DO ji = kideb , kiut 359 zkappa_s(ji,jk) = 2.0 * rcdsn / & 362 360 MAX(epsi10,2.0*zh_s(ji)) 363 361 END DO 364 362 END DO 365 363 366 DO layer= 1, nlay_i-1364 DO jk = 1, nlay_i-1 367 365 DO ji = kideb , kiut 368 366 !-- Ice kappa factors 369 zkappa_i(ji, layer) = 2.0*ztcond_i(ji,layer)/ &367 zkappa_i(ji,jk) = 2.0*ztcond_i(ji,jk)/ & 370 368 MAX(epsi10,2.0*zh_i(ji)) 371 369 END DO … … 386 384 !------------------------------------------------------------------------------| 387 385 ! 388 DO layer= 1, nlay_i389 DO ji = kideb , kiut 390 ztitemp(ji, layer) = t_i_b(ji,layer)391 zspeche_i(ji, layer) = cpic + zgamma*s_i_b(ji,layer)/ &392 MAX((t_i_ b(ji,layer)-rtt)*(ztiold(ji,layer)-rtt),epsi10)393 zeta_i(ji, layer) = rdt_ice / MAX(rhoic*zspeche_i(ji,layer)*zh_i(ji), &386 DO jk = 1, nlay_i 387 DO ji = kideb , kiut 388 ztitemp(ji,jk) = t_i_1d(ji,jk) 389 zspeche_i(ji,jk) = cpic + zgamma*s_i_1d(ji,jk)/ & 390 MAX((t_i_1d(ji,jk)-rtt)*(ztib(ji,jk)-rtt),epsi10) 391 zeta_i(ji,jk) = rdt_ice / MAX(rhoic*zspeche_i(ji,jk)*zh_i(ji), & 394 392 epsi10) 395 393 END DO 396 394 END DO 397 395 398 DO layer= 1, nlay_s399 DO ji = kideb , kiut 400 ztstemp(ji, layer) = t_s_b(ji,layer)401 zeta_s(ji, layer) = rdt_ice / MAX(rhosn*cpic*zh_s(ji),epsi10)396 DO jk = 1, nlay_s 397 DO ji = kideb , kiut 398 ztstemp(ji,jk) = t_s_1d(ji,jk) 399 zeta_s(ji,jk) = rdt_ice / MAX(rhosn*cpic*zh_s(ji),epsi10) 402 400 END DO 403 401 END DO … … 407 405 !------------------------------------------------------------------------------| 408 406 ! 409 DO ji = kideb , kiut 410 ! update of the non solar flux according to the update in T_su 411 qns_ice_1d(ji) = qns_ice_1d(ji) + dqns_ice_1d(ji) * ( t_su_b(ji) - ztsuoldit(ji) ) 412 407 IF( .NOT. lk_cpl ) THEN !--- forced atmosphere case 408 DO ji = kideb , kiut 409 ! update of the non solar flux according to the update in T_su 410 qns_ice_1d(ji) = qns_ice_1d(ji) + dqns_ice_1d(ji) * ( t_su_1d(ji) - ztsubit(ji) ) 411 END DO 412 ENDIF 413 414 ! Update incoming flux 415 DO ji = kideb , kiut 413 416 ! update incoming flux 414 417 zf(ji) = zfsw(ji) & ! net absorbed solar radiation 415 + qns_ice_1d(ji) ! non solar total flux418 + qns_ice_1d(ji) ! non solar total flux 416 419 ! (LWup, LWdw, SH, LH) 417 420 END DO … … 429 432 !!ice interior terms (top equation has the same form as the others) 430 433 431 DO numeq=1, jkmax+2434 DO numeq=1,nlay_i+3 432 435 DO ji = kideb , kiut 433 436 ztrid(ji,numeq,1) = 0. 434 437 ztrid(ji,numeq,2) = 0. 435 438 ztrid(ji,numeq,3) = 0. 436 z indterm(ji,numeq)= 0.437 z indtbis(ji,numeq)= 0.439 zswiterm(ji,numeq)= 0. 440 zswitbis(ji,numeq)= 0. 438 441 zdiagbis(ji,numeq)= 0. 439 442 ENDDO … … 442 445 DO numeq = nlay_s + 2, nlay_s + nlay_i 443 446 DO ji = kideb , kiut 444 layer= numeq - nlay_s - 1445 ztrid(ji,numeq,1) = - zeta_i(ji, layer)*zkappa_i(ji,layer-1)446 ztrid(ji,numeq,2) = 1.0 + zeta_i(ji, layer)*(zkappa_i(ji,layer-1) + &447 zkappa_i(ji, layer))448 ztrid(ji,numeq,3) = - zeta_i(ji, layer)*zkappa_i(ji,layer)449 z indterm(ji,numeq) = ztiold(ji,layer) + zeta_i(ji,layer)* &450 zradab_i(ji, layer)447 jk = numeq - nlay_s - 1 448 ztrid(ji,numeq,1) = - zeta_i(ji,jk)*zkappa_i(ji,jk-1) 449 ztrid(ji,numeq,2) = 1.0 + zeta_i(ji,jk)*(zkappa_i(ji,jk-1) + & 450 zkappa_i(ji,jk)) 451 ztrid(ji,numeq,3) = - zeta_i(ji,jk)*zkappa_i(ji,jk) 452 zswiterm(ji,numeq) = ztib(ji,jk) + zeta_i(ji,jk)* & 453 zradab_i(ji,jk) 451 454 END DO 452 455 ENDDO … … 459 462 + zkappa_i(ji,nlay_i-1) ) 460 463 ztrid(ji,numeq,3) = 0.0 461 z indterm(ji,numeq) = ztiold(ji,nlay_i) + zeta_i(ji,nlay_i)* &464 zswiterm(ji,numeq) = ztib(ji,nlay_i) + zeta_i(ji,nlay_i)* & 462 465 ( zradab_i(ji,nlay_i) + zkappa_i(ji,nlay_i)*zg1 & 463 * t_bo_ b(ji) )466 * t_bo_1d(ji) ) 464 467 ENDDO 465 468 466 469 467 470 DO ji = kideb , kiut 468 IF ( ht_s_ b(ji).gt.0.0 ) THEN471 IF ( ht_s_1d(ji).gt.0.0 ) THEN 469 472 ! 470 473 !------------------------------------------------------------------------------| … … 474 477 !!snow interior terms (bottom equation has the same form as the others) 475 478 DO numeq = 3, nlay_s + 1 476 layer= numeq - 1477 ztrid(ji,numeq,1) = - zeta_s(ji, layer)*zkappa_s(ji,layer-1)478 ztrid(ji,numeq,2) = 1.0 + zeta_s(ji, layer)*( zkappa_s(ji,layer-1) + &479 zkappa_s(ji, layer) )480 ztrid(ji,numeq,3) = - zeta_s(ji, layer)*zkappa_s(ji,layer)481 z indterm(ji,numeq) = ztsold(ji,layer) + zeta_s(ji,layer)* &482 zradab_s(ji, layer)479 jk = numeq - 1 480 ztrid(ji,numeq,1) = - zeta_s(ji,jk)*zkappa_s(ji,jk-1) 481 ztrid(ji,numeq,2) = 1.0 + zeta_s(ji,jk)*( zkappa_s(ji,jk-1) + & 482 zkappa_s(ji,jk) ) 483 ztrid(ji,numeq,3) = - zeta_s(ji,jk)*zkappa_s(ji,jk) 484 zswiterm(ji,numeq) = ztsb(ji,jk) + zeta_s(ji,jk)* & 485 zradab_s(ji,jk) 483 486 END DO 484 487 … … 486 489 IF ( nlay_i.eq.1 ) THEN 487 490 ztrid(ji,nlay_s+2,3) = 0.0 488 z indterm(ji,nlay_s+2) = zindterm(ji,nlay_s+2) + zkappa_i(ji,1)* &489 t_bo_ b(ji)491 zswiterm(ji,nlay_s+2) = zswiterm(ji,nlay_s+2) + zkappa_i(ji,1)* & 492 t_bo_1d(ji) 490 493 ENDIF 491 494 492 IF ( t_su_ b(ji) .LT. rtt ) THEN495 IF ( t_su_1d(ji) .LT. rtt ) THEN 493 496 494 497 !------------------------------------------------------------------------------| … … 503 506 ztrid(ji,1,2) = dzf(ji) - zg1s*zkappa_s(ji,0) 504 507 ztrid(ji,1,3) = zg1s*zkappa_s(ji,0) 505 z indterm(ji,1) = dzf(ji)*t_su_b(ji) - zf(ji)508 zswiterm(ji,1) = dzf(ji)*t_su_1d(ji) - zf(ji) 506 509 507 510 !!first layer of snow equation … … 509 512 ztrid(ji,2,2) = 1.0 + zeta_s(ji,1)*(zkappa_s(ji,1) + zkappa_s(ji,0)*zg1s) 510 513 ztrid(ji,2,3) = - zeta_s(ji,1)* zkappa_s(ji,1) 511 z indterm(ji,2) = ztsold(ji,1) + zeta_s(ji,1)*zradab_s(ji,1)514 zswiterm(ji,2) = ztsb(ji,1) + zeta_s(ji,1)*zradab_s(ji,1) 512 515 513 516 ELSE … … 526 529 zkappa_s(ji,0) * zg1s ) 527 530 ztrid(ji,2,3) = - zeta_s(ji,1)*zkappa_s(ji,1) 528 z indterm(ji,2) = ztsold(ji,1) + zeta_s(ji,1) * &531 zswiterm(ji,2) = ztsb(ji,1) + zeta_s(ji,1) * & 529 532 ( zradab_s(ji,1) + & 530 zkappa_s(ji,0) * zg1s * t_su_ b(ji) )533 zkappa_s(ji,0) * zg1s * t_su_1d(ji) ) 531 534 ENDIF 532 535 ELSE … … 536 539 !------------------------------------------------------------------------------| 537 540 ! 538 IF (t_su_ b(ji) .LT. rtt) THEN541 IF (t_su_1d(ji) .LT. rtt) THEN 539 542 ! 540 543 !------------------------------------------------------------------------------| … … 550 553 ztrid(ji,numeqmin(ji),2) = dzf(ji) - zkappa_i(ji,0)*zg1 551 554 ztrid(ji,numeqmin(ji),3) = zkappa_i(ji,0)*zg1 552 z indterm(ji,numeqmin(ji)) = dzf(ji)*t_su_b(ji) - zf(ji)555 zswiterm(ji,numeqmin(ji)) = dzf(ji)*t_su_1d(ji) - zf(ji) 553 556 554 557 !!first layer of ice equation … … 557 560 + zkappa_i(ji,0) * zg1 ) 558 561 ztrid(ji,numeqmin(ji)+1,3) = - zeta_i(ji,1)*zkappa_i(ji,1) 559 z indterm(ji,numeqmin(ji)+1)= ztiold(ji,1) + zeta_i(ji,1)*zradab_i(ji,1)562 zswiterm(ji,numeqmin(ji)+1)= ztib(ji,1) + zeta_i(ji,1)*zradab_i(ji,1) 560 563 561 564 !!case of only one layer in the ice (surface & ice equations are altered) … … 570 573 ztrid(ji,numeqmin(ji)+1,3) = 0.0 571 574 572 z indterm(ji,numeqmin(ji)+1) = ztiold(ji,1) + zeta_i(ji,1)* &573 ( zradab_i(ji,1) + zkappa_i(ji,1)*t_bo_ b(ji) )575 zswiterm(ji,numeqmin(ji)+1) = ztib(ji,1) + zeta_i(ji,1)* & 576 ( zradab_i(ji,1) + zkappa_i(ji,1)*t_bo_1d(ji) ) 574 577 ENDIF 575 578 … … 590 593 zg1) 591 594 ztrid(ji,numeqmin(ji),3) = - zeta_i(ji,1) * zkappa_i(ji,1) 592 z indterm(ji,numeqmin(ji)) = ztiold(ji,1) + zeta_i(ji,1)*( zradab_i(ji,1) + &593 zkappa_i(ji,0) * zg1 * t_su_ b(ji) )595 zswiterm(ji,numeqmin(ji)) = ztib(ji,1) + zeta_i(ji,1)*( zradab_i(ji,1) + & 596 zkappa_i(ji,0) * zg1 * t_su_1d(ji) ) 594 597 595 598 !!case of only one layer in the ice (surface & ice equations are altered) … … 599 602 zkappa_i(ji,1)) 600 603 ztrid(ji,numeqmin(ji),3) = 0.0 601 z indterm(ji,numeqmin(ji)) = ztiold(ji,1) + zeta_i(ji,1)* &602 (zradab_i(ji,1) + zkappa_i(ji,1)*t_bo_ b(ji)) &603 + t_su_ b(ji)*zeta_i(ji,1)*zkappa_i(ji,0)*2.0604 zswiterm(ji,numeqmin(ji)) = ztib(ji,1) + zeta_i(ji,1)* & 605 (zradab_i(ji,1) + zkappa_i(ji,1)*t_bo_1d(ji)) & 606 + t_su_1d(ji)*zeta_i(ji,1)*zkappa_i(ji,0)*2.0 604 607 ENDIF 605 608 … … 620 623 621 624 maxnumeqmax = 0 622 minnumeqmin = jkmax+4623 624 DO ji = kideb , kiut 625 z indtbis(ji,numeqmin(ji)) = zindterm(ji,numeqmin(ji))625 minnumeqmin = nlay_i+5 626 627 DO ji = kideb , kiut 628 zswitbis(ji,numeqmin(ji)) = zswiterm(ji,numeqmin(ji)) 626 629 zdiagbis(ji,numeqmin(ji)) = ztrid(ji,numeqmin(ji),2) 627 630 minnumeqmin = MIN(numeqmin(ji),minnumeqmin) … … 629 632 END DO 630 633 631 DO layer= minnumeqmin+1, maxnumeqmax632 DO ji = kideb , kiut 633 numeq = min(max(numeqmin(ji)+1, layer),numeqmax(ji))634 DO jk = minnumeqmin+1, maxnumeqmax 635 DO ji = kideb , kiut 636 numeq = min(max(numeqmin(ji)+1,jk),numeqmax(ji)) 634 637 zdiagbis(ji,numeq) = ztrid(ji,numeq,2) - ztrid(ji,numeq,1)* & 635 638 ztrid(ji,numeq-1,3)/zdiagbis(ji,numeq-1) 636 z indtbis(ji,numeq) = zindterm(ji,numeq) - ztrid(ji,numeq,1)* &637 z indtbis(ji,numeq-1)/zdiagbis(ji,numeq-1)639 zswitbis(ji,numeq) = zswiterm(ji,numeq) - ztrid(ji,numeq,1)* & 640 zswitbis(ji,numeq-1)/zdiagbis(ji,numeq-1) 638 641 END DO 639 642 END DO … … 641 644 DO ji = kideb , kiut 642 645 ! ice temperatures 643 t_i_ b(ji,nlay_i) = zindtbis(ji,numeqmax(ji))/zdiagbis(ji,numeqmax(ji))646 t_i_1d(ji,nlay_i) = zswitbis(ji,numeqmax(ji))/zdiagbis(ji,numeqmax(ji)) 644 647 END DO 645 648 646 649 DO numeq = nlay_i + nlay_s + 1, nlay_s + 2, -1 647 650 DO ji = kideb , kiut 648 layer= numeq - nlay_s - 1649 t_i_ b(ji,layer) = (zindtbis(ji,numeq) - ztrid(ji,numeq,3)* &650 t_i_ b(ji,layer+1))/zdiagbis(ji,numeq)651 jk = numeq - nlay_s - 1 652 t_i_1d(ji,jk) = (zswitbis(ji,numeq) - ztrid(ji,numeq,3)* & 653 t_i_1d(ji,jk+1))/zdiagbis(ji,numeq) 651 654 END DO 652 655 END DO … … 654 657 DO ji = kideb , kiut 655 658 ! snow temperatures 656 IF (ht_s_ b(ji).GT.0._wp) &657 t_s_ b(ji,nlay_s) = (zindtbis(ji,nlay_s+1) - ztrid(ji,nlay_s+1,3) &658 * t_i_ b(ji,1))/zdiagbis(ji,nlay_s+1) &659 * MAX(0.0,SIGN(1.0,ht_s_ b(ji)))659 IF (ht_s_1d(ji).GT.0._wp) & 660 t_s_1d(ji,nlay_s) = (zswitbis(ji,nlay_s+1) - ztrid(ji,nlay_s+1,3) & 661 * t_i_1d(ji,1))/zdiagbis(ji,nlay_s+1) & 662 * MAX(0.0,SIGN(1.0,ht_s_1d(ji))) 660 663 661 664 ! surface temperature 662 isnow(ji) = NINT( 1.0 - MAX( 0.0 , SIGN( 1.0 , -ht_s_ b(ji) ) ) )663 ztsu oldit(ji) = t_su_b(ji)664 IF( t_su_ b(ji) < ztfs(ji) ) &665 t_su_ b(ji) = ( zindtbis(ji,numeqmin(ji)) - ztrid(ji,numeqmin(ji),3)* ( REAL( isnow(ji) )*t_s_b(ji,1) &666 & + REAL( 1 - isnow(ji) )*t_i_ b(ji,1) ) ) / zdiagbis(ji,numeqmin(ji))665 isnow(ji) = NINT( 1.0 - MAX( 0.0 , SIGN( 1.0 , -ht_s_1d(ji) ) ) ) 666 ztsubit(ji) = t_su_1d(ji) 667 IF( t_su_1d(ji) < ztfs(ji) ) & 668 t_su_1d(ji) = ( zswitbis(ji,numeqmin(ji)) - ztrid(ji,numeqmin(ji),3)* ( REAL( isnow(ji) )*t_s_1d(ji,1) & 669 & + REAL( 1 - isnow(ji) )*t_i_1d(ji,1) ) ) / zdiagbis(ji,numeqmin(ji)) 667 670 END DO 668 671 ! … … 674 677 ! zerrit(ji) is a measure of error, it has to be under maxer_i_thd 675 678 DO ji = kideb , kiut 676 t_su_ b(ji) = MAX( MIN( t_su_b(ji) , ztfs(ji) ) , 190._wp )677 zerrit(ji) = ABS( t_su_ b(ji) - ztsuoldit(ji) )678 END DO 679 680 DO layer= 1, nlay_s681 DO ji = kideb , kiut 682 t_s_ b(ji,layer) = MAX( MIN( t_s_b(ji,layer), rtt ), 190._wp )683 zerrit(ji) = MAX(zerrit(ji),ABS(t_s_ b(ji,layer) - ztstemp(ji,layer)))684 END DO 685 END DO 686 687 DO layer= 1, nlay_i688 DO ji = kideb , kiut 689 ztmelt_i = -tmut * s_i_ b(ji,layer) + rtt690 t_i_ b(ji,layer) = MAX(MIN(t_i_b(ji,layer),ztmelt_i), 190._wp)691 zerrit(ji) = MAX(zerrit(ji),ABS(t_i_ b(ji,layer) - ztitemp(ji,layer)))679 t_su_1d(ji) = MAX( MIN( t_su_1d(ji) , ztfs(ji) ) , 190._wp ) 680 zerrit(ji) = ABS( t_su_1d(ji) - ztsubit(ji) ) 681 END DO 682 683 DO jk = 1, nlay_s 684 DO ji = kideb , kiut 685 t_s_1d(ji,jk) = MAX( MIN( t_s_1d(ji,jk), rtt ), 190._wp ) 686 zerrit(ji) = MAX(zerrit(ji),ABS(t_s_1d(ji,jk) - ztstemp(ji,jk))) 687 END DO 688 END DO 689 690 DO jk = 1, nlay_i 691 DO ji = kideb , kiut 692 ztmelt_i = -tmut * s_i_1d(ji,jk) + rtt 693 t_i_1d(ji,jk) = MAX(MIN(t_i_1d(ji,jk),ztmelt_i), 190._wp) 694 zerrit(ji) = MAX(zerrit(ji),ABS(t_i_1d(ji,jk) - ztitemp(ji,jk))) 692 695 END DO 693 696 END DO … … 714 717 DO ji = kideb, kiut 715 718 ! forced mode only : update of latent heat fluxes (sublimation) (always >=0, upward flux) 716 IF( .NOT. lk_cpl) qla_ice_1d (ji) = MAX( 0._wp, qla_ice_1d (ji) + dqla_ice_1d(ji) * ( t_su_ b(ji) - ztsuold(ji) ) )719 IF( .NOT. lk_cpl) qla_ice_1d (ji) = MAX( 0._wp, qla_ice_1d (ji) + dqla_ice_1d(ji) * ( t_su_1d(ji) - ztsub(ji) ) ) 717 720 ! ! surface ice conduction flux 718 isnow(ji) = NINT( 1._wp - MAX( 0._wp, SIGN( 1._wp, -ht_s_ b(ji) ) ) )719 fc_su(ji) = - REAL( isnow(ji) ) * zkappa_s(ji,0) * zg1s * (t_s_ b(ji,1) - t_su_b(ji)) &720 & - REAL( 1 - isnow(ji) ) * zkappa_i(ji,0) * zg1 * (t_i_ b(ji,1) - t_su_b(ji))721 isnow(ji) = NINT( 1._wp - MAX( 0._wp, SIGN( 1._wp, -ht_s_1d(ji) ) ) ) 722 fc_su(ji) = - REAL( isnow(ji) ) * zkappa_s(ji,0) * zg1s * (t_s_1d(ji,1) - t_su_1d(ji)) & 723 & - REAL( 1 - isnow(ji) ) * zkappa_i(ji,0) * zg1 * (t_i_1d(ji,1) - t_su_1d(ji)) 721 724 ! ! bottom ice conduction flux 722 fc_bo_i(ji) = - zkappa_i(ji,nlay_i) * ( zg1*(t_bo_ b(ji) - t_i_b(ji,nlay_i)) )725 fc_bo_i(ji) = - zkappa_i(ji,nlay_i) * ( zg1*(t_bo_1d(ji) - t_i_1d(ji,nlay_i)) ) 723 726 END DO 724 727 … … 727 730 !----------------------------------------- 728 731 DO ji = kideb, kiut 729 IF( t_su_b(ji) < rtt ) THEN ! case T_su < 0degC 730 hfx_dif_1d(ji) = hfx_dif_1d(ji) + ( qns_ice_1d(ji) + qsr_ice_1d(ji) - zradtr_i(ji,nlay_i) - fc_bo_i(ji) ) * a_i_b(ji) 732 IF( t_su_1d(ji) < rtt ) THEN ! case T_su < 0degC 733 hfx_dif_1d(ji) = hfx_dif_1d(ji) + & 734 & ( qns_ice_1d(ji) + qsr_ice_1d(ji) - zradtr_i(ji,nlay_i) - fc_bo_i(ji) ) * a_i_1d(ji) 731 735 ELSE ! case T_su = 0degC 732 hfx_dif_1d(ji) = hfx_dif_1d(ji) + ( fc_su(ji) + i0(ji) * qsr_ice_1d(ji) - zradtr_i(ji,nlay_i) - fc_bo_i(ji) ) * a_i_b(ji) 736 hfx_dif_1d(ji) = hfx_dif_1d(ji) + & 737 & ( fc_su(ji) + i0(ji) * qsr_ice_1d(ji) - zradtr_i(ji,nlay_i) - fc_bo_i(ji) ) * a_i_1d(ji) 733 738 ENDIF 734 739 END DO … … 737 742 CALL lim_thd_enmelt( kideb, kiut ) 738 743 739 ! --- diag erroron heat diffusion - PART 2 --- !744 ! --- diag conservation imbalance on heat diffusion - PART 2 --- ! 740 745 DO ji = kideb, kiut 741 zdq(ji) = - zq_ini(ji) + ( SUM( q_i_b(ji,1:nlay_i) ) * ht_i_b(ji) / REAL( nlay_i ) + & 742 & SUM( q_s_b(ji,1:nlay_s) ) * ht_s_b(ji) / REAL( nlay_s ) ) 743 zhfx_err = ( fc_su(ji) + i0(ji) * qsr_ice_1d(ji) - zradtr_i(ji,nlay_i) - fc_bo_i(ji) + zdq(ji) * r1_rdtice ) 744 hfx_err_1d(ji) = hfx_err_1d(ji) + zhfx_err * a_i_b(ji) 745 ! --- correction of qns_ice and surface conduction flux --- ! 746 qns_ice_1d(ji) = qns_ice_1d(ji) - zhfx_err 747 fc_su (ji) = fc_su (ji) - zhfx_err 748 ! --- Heat flux at the ice surface in W.m-2 --- ! 746 zdq(ji) = - zq_ini(ji) + ( SUM( q_i_1d(ji,1:nlay_i) ) * ht_i_1d(ji) / REAL( nlay_i ) + & 747 & SUM( q_s_1d(ji,1:nlay_s) ) * ht_s_1d(ji) / REAL( nlay_s ) ) 748 zhfx_err(ji) = ( fc_su(ji) + i0(ji) * qsr_ice_1d(ji) - zradtr_i(ji,nlay_i) - fc_bo_i(ji) + zdq(ji) * r1_rdtice ) 749 hfx_err_1d(ji) = hfx_err_1d(ji) + zhfx_err(ji) * a_i_1d(ji) 750 END DO 751 752 ! diagnose external surface (forced case) or bottom (forced case) from heat conservation 753 IF( .NOT. lk_cpl ) THEN ! --- forced case: qns_ice and fc_su are diagnosed 754 ! 755 DO ji = kideb, kiut 756 qns_ice_1d(ji) = qns_ice_1d(ji) - zhfx_err(ji) 757 fc_su (ji) = fc_su(ji) - zhfx_err(ji) 758 END DO 759 ! 760 ELSE ! --- coupled case: ocean turbulent heat flux is diagnosed 761 ! 762 DO ji = kideb, kiut 763 fhtur_1d (ji) = fhtur_1d(ji) - zhfx_err(ji) 764 END DO 765 ! 766 ENDIF 767 768 ! --- compute diagnostic net heat flux at the surface of the snow-ice system (W.m2) 769 DO ji = kideb, kiut 749 770 ii = MOD( npb(ji) - 1, jpi ) + 1 ; ij = ( npb(ji) - 1 ) / jpi + 1 750 hfx_in (ii,ij) = hfx_in (ii,ij) + a_i_ b(ji) * ( qsr_ice_1d(ji) + qns_ice_1d(ji) )771 hfx_in (ii,ij) = hfx_in (ii,ij) + a_i_1d(ji) * ( qsr_ice_1d(ji) + qns_ice_1d(ji) ) 751 772 END DO 752 773 753 774 ! 754 775 CALL wrk_dealloc( jpij, numeqmin, numeqmax, isnow ) 755 CALL wrk_dealloc( jpij, ztfs, ztsu old, ztsuoldit, zh_i, zh_s, zfsw )776 CALL wrk_dealloc( jpij, ztfs, ztsub, ztsubit, zh_i, zh_s, zfsw ) 756 777 CALL wrk_dealloc( jpij, zf, dzf, zerrit, zdifcase, zftrice, zihic, zhsu ) 757 CALL wrk_dealloc( jpij, nlay_i+1, ztcond_i, zradtr_i, zradab_i, zkappa_i, ztiold, zeta_i, ztitemp, z_i, zspeche_i, kjstart = 0 ) 758 CALL wrk_dealloc( jpij, nlay_s+1, zradtr_s, zradab_s, zkappa_s, ztsold, zeta_s, ztstemp, z_s, kjstart = 0 ) 759 CALL wrk_dealloc( jpij, jkmax+2, zindterm, zindtbis, zdiagbis ) 760 CALL wrk_dealloc( jpij, jkmax+2, 3, ztrid ) 761 CALL wrk_dealloc( jpij, zdq, zq_ini ) 778 CALL wrk_dealloc( jpij, nlay_i+1, ztcond_i, zradtr_i, zradab_i, zkappa_i, & 779 & ztib, zeta_i, ztitemp, z_i, zspeche_i, kjstart = 0 ) 780 CALL wrk_dealloc( jpij, nlay_s+1, zradtr_s, zradab_s, zkappa_s, ztsb, zeta_s, ztstemp, z_s, kjstart = 0 ) 781 CALL wrk_dealloc( jpij, nlay_i+3, zswiterm, zswitbis, zdiagbis ) 782 CALL wrk_dealloc( jpij, nlay_i+3, 3, ztrid ) 783 CALL wrk_dealloc( jpij, zdq, zq_ini, zhfx_err ) 762 784 763 785 END SUBROUTINE lim_thd_dif … … 774 796 ! 775 797 INTEGER :: ji, jk ! dummy loop indices 776 REAL(wp) :: ztmelts , zindb! local scalar798 REAL(wp) :: ztmelts ! local scalar 777 799 !!------------------------------------------------------------------- 778 800 ! 779 801 DO jk = 1, nlay_i ! Sea ice energy of melting 780 802 DO ji = kideb, kiut 781 ztmelts = - tmut * s_i_ b(ji,jk) + rtt782 zindb = MAX( 0._wp , SIGN( 1._wp , -(t_i_b(ji,jk) - rtt) - epsi10 ) )783 q_i_ b(ji,jk) = rhoic * ( cpic * ( ztmelts - t_i_b(ji,jk) ) &784 & + lfus * ( 1.0 - zindb * ( ztmelts-rtt ) / MIN( t_i_b(ji,jk)-rtt, -epsi10 ) ) &803 ztmelts = - tmut * s_i_1d(ji,jk) + rtt 804 rswitch = MAX( 0._wp , SIGN( 1._wp , -(t_i_1d(ji,jk) - rtt) - epsi10 ) ) 805 q_i_1d(ji,jk) = rhoic * ( cpic * ( ztmelts - t_i_1d(ji,jk) ) & 806 & + lfus * ( 1.0 - rswitch * ( ztmelts-rtt ) / MIN( t_i_1d(ji,jk)-rtt, -epsi10 ) ) & 785 807 & - rcp * ( ztmelts-rtt ) ) 786 808 END DO … … 788 810 DO jk = 1, nlay_s ! Snow energy of melting 789 811 DO ji = kideb, kiut 790 q_s_ b(ji,jk) = rhosn * ( cpic * ( rtt - t_s_b(ji,jk) ) + lfus )812 q_s_1d(ji,jk) = rhosn * ( cpic * ( rtt - t_s_1d(ji,jk) ) + lfus ) 791 813 END DO 792 814 END DO
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