Changeset 1423 for trunk/NEMO/OPA_SRC/TRA/traqsr.F90
- Timestamp:
- 2009-05-06T18:22:01+02:00 (15 years ago)
- File:
-
- 1 edited
-
trunk/NEMO/OPA_SRC/TRA/traqsr.F90 (modified) (10 diffs)
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trunk/NEMO/OPA_SRC/TRA/traqsr.F90
r1146 r1423 4 4 !! Ocean physics: solar radiation penetration in the top ocean levels 5 5 !!====================================================================== 6 !! History : 6.0 ! 90-10 (B. Blanke) Original code 7 !! 7.0 ! 91-11 (G. Madec) 8 !! ! 96-01 (G. Madec) s-coordinates 9 !! 8.5 ! 02-06 (G. Madec) F90: Free form and module 10 !! 9.0 ! 05-11 (G. Madec) zco, zps, sco coordinate 6 !! History : OPA ! 1990-10 (B. Blanke) Original code 7 !! 7.0 ! 1991-11 (G. Madec) 8 !! ! 1996-01 (G. Madec) s-coordinates 9 !! NEMO 1.0 ! 2002-06 (G. Madec) F90: Free form and module 10 !! - ! 2005-11 (G. Madec) zco, zps, sco coordinate 11 !! 3.2 ! 2009-04 (G. Madec & NEMO team) 11 12 !!---------------------------------------------------------------------- 12 13 … … 24 25 USE phycst ! physical constants 25 26 USE prtctl ! Print control 27 USE iom ! I/O manager 28 USE fldread ! read input fields 26 29 27 30 IMPLICIT NONE 28 31 PRIVATE 29 32 30 PUBLIC tra_qsr ! routine called by step.F90 (ln_traqsr=T) 31 PUBLIC tra_qsr_init ! routine called by opa.F90 32 33 !!* Namelist namqsr: penetrative solar radiation 34 LOGICAL , PUBLIC :: ln_traqsr = .TRUE. !: qsr flag (Default=T) 35 REAL(wp), PUBLIC :: rabs = 0.58_wp ! fraction associated with xsi1 36 REAL(wp), PUBLIC :: xsi1 = 0.35_wp ! first depth of extinction 37 REAL(wp), PUBLIC :: xsi2 = 23.0_wp ! second depth of extinction (default values: water type Ib) 38 LOGICAL , PUBLIC :: ln_qsr_sms = .false. ! flag to use or not the biological fluxes for light 33 PUBLIC tra_qsr ! routine called by step.F90 (ln_traqsr=T) 34 35 ! !!* Namelist namqsr: penetrative solar radiation 36 LOGICAL , PUBLIC :: ln_traqsr = .TRUE. !: light absorption (qsr) flag 37 LOGICAL , PUBLIC :: ln_qsr_rgb = .FALSE. !: Red-Green-Blue light absorption flag 38 LOGICAL , PUBLIC :: ln_qsr_bio = .FALSE. !: bio-model light absorption flag 39 INTEGER , PUBLIC :: nn_chldta = 0 !: use Chlorophyll data (=1) or not (=0) 40 REAL(wp), PUBLIC :: rn_abs = 0.58_wp !: fraction absorbed in the very near surface (RGB & 2 bands) 41 REAL(wp), PUBLIC :: rn_si0 = 0.35_wp !: very near surface depth of extinction (RGB & 2 bands) 42 REAL(wp), PUBLIC :: rn_si1 = 23.0_wp !: deepest depth of extinction (water type I) (2 bands) 43 REAL(wp), PUBLIC :: rn_si2 = 61.8_wp !: deepest depth of extinction (blue & 0.01 mg.m-3) (RGB) 39 44 40 INTEGER :: nksr ! number of levels 41 REAL(wp), DIMENSION(jpk) :: gdsr ! profile of the solar flux penetration 45 TYPE(FLD), ALLOCATABLE, DIMENSION(:) :: sf_chl ! structure of input Chl (file informations, fields read) 42 46 43 47 !! * Substitutions … … 45 49 # include "vectopt_loop_substitute.h90" 46 50 !!---------------------------------------------------------------------- 47 !! OPA 9.0 , LOCEAN-IPSL (2005)51 !! NEMO/OPA 3.2 , LOCEAN-IPSL (2009) 48 52 !! $Id$ 49 53 !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) … … 59 63 !! penetration and add it to the general temperature trend. 60 64 !! 61 !! ** Method : The profile of the solar radiation within the ocean is 62 !! defined through two penetration length scale (xsr1,xsr2) and a 63 !! ratio (rabs) as : 64 !! I(k) = Qsr*( rabs*EXP(z(k)/xsr1) + (1.-rabs)*EXP(z(k)/xsr2) ) 65 !! The temperature trend associated with the solar radiation 66 !! penetration is given by : 67 !! zta = 1/e3t dk[ I ] / (rau0*Cp) 65 !! ** Method : The profile of the solar radiation within the ocean is defined 66 !! through 2 wavebands (rn_si0,rn_si1) or 3 wavebands (RGB) and a ratio rn_abs 67 !! Considering the 2 wavebands case: 68 !! I(k) = Qsr*( rn_abs*EXP(z(k)/rn_si0) + (1.-rn_abs)*EXP(z(k)/rn_si1) ) 69 !! The temperature trend associated with the solar radiation penetration 70 !! is given by : zta = 1/e3t dk[ I ] / (rau0*Cp) 68 71 !! At the bottom, boudary condition for the radiation is no flux : 69 72 !! all heat which has not been absorbed in the above levels is put … … 76 79 !! ** Action : - update ta with the penetrative solar radiation trend 77 80 !! - save the trend in ttrd ('key_trdtra') 81 !! 82 !! Reference : Jerlov, N. G., 1968 Optical Oceanography, Elsevier, 194pp. 83 !! Lengaigne et al. 2007, Clim. Dyn., V28, 5, 503-516. 78 84 !!---------------------------------------------------------------------- 79 85 USE oce, ONLY : ztrdt => ua ! use ua as 3D workspace … … 82 88 INTEGER, INTENT(in) :: kt ! ocean time-step 83 89 !! 84 INTEGER :: ji, jj, jk ! dummy loop indexes 85 REAL(wp) :: zc0 , zta ! temporary scalars 90 INTEGER :: ji, jj, jk ! dummy loop indices 91 INTEGER :: irgb ! temporary integers 92 REAL(wp) :: zchl, zcoef, zsi0r ! temporary scalars 93 REAL(wp) :: zc0, zc1, zc2, zc3 ! - - 94 REAL(wp), DIMENSION(jpi,jpj) :: zekb, zekg, zekr ! 2D workspace 95 REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze0, ze1 , ze2, ze3, zea ! 3D workspace 86 96 !!---------------------------------------------------------------------- 87 97 … … 91 101 IF(lwp) WRITE(numout,*) '~~~~~~~' 92 102 CALL tra_qsr_init 103 IF( .NOT.ln_traqsr ) RETURN 93 104 ENDIF 94 105 … … 98 109 ENDIF 99 110 100 ! ---------------------------------------------- ! 101 ! Biological fluxes : all vertical coordinate ! 102 ! ---------------------------------------------- ! 103 IF( lk_qsr_sms .AND. ln_qsr_sms ) THEN 104 ! ! =============== 105 DO jk = 1, jpkm1 ! Horizontal slab 106 ! ! =============== 111 112 ! ! ============================================== ! 113 IF( lk_qsr_bio ) THEN ! bio-model fluxes : all vertical coordinates ! 114 ! ! ============================================== ! 115 DO jk = 1, jpkm1 107 116 DO jj = 2, jpjm1 108 117 DO ji = fs_2, fs_jpim1 ! vector opt. 109 zc0 = ro0cpr / fse3t(ji,jj,jk) ! compute the qsr trend 110 zta = zc0 * ( etot3(ji,jj,jk ) * tmask(ji,jj,jk) & 111 & - etot3(ji,jj,jk+1) * tmask(ji,jj,jk+1) ) 112 ta(ji,jj,jk) = ta(ji,jj,jk) + zta ! add qsr trend to the temperature trend 118 ta(ji,jj,jk) = ta(ji,jj,jk) + ro0cpr * ( etot3(ji,jj,jk) - etot3(ji,jj,jk+1) ) / fse3t(ji,jj,jk) 113 119 END DO 114 120 END DO 115 ! ! =============== 116 END DO ! End of slab 117 ! ! =============== 118 119 ! ---------------------------------------------- ! 120 ! Ocean alone : 121 ! ---------------------------------------------- ! 122 ELSE 123 ! ! =================== ! 124 IF( ln_sco ) THEN ! s-coordinate ! 125 ! ! =================== ! 126 DO jk = 1, jpkm1 127 ta(:,:,jk) = ta(:,:,jk) + etot3(:,:,jk) * qsr(:,:) 128 END DO 129 ENDIF 130 ! ! =================== ! 131 IF( ln_zps ) THEN ! partial steps ! 132 ! ! =================== ! 121 END DO 122 ! ! ============================================== ! 123 ELSE ! Ocean alone : 124 ! ! ============================================== ! 125 ! 126 ! ! ------------------------- ! 127 IF( ln_qsr_rgb) THEN ! R-G-B light penetration ! 128 ! ! ------------------------- ! 129 ! Set chlorophyl concentration 130 IF( nn_chldta ==1 ) THEN !* Variable Chlorophyll 131 ! 132 CALL fld_read( kt, 1, sf_chl ) ! Read Chl data and provides it at the current time step 133 ! 134 !CDIR COLLAPSE 135 !CDIR NOVERRCHK 136 DO jj = 1, jpj ! Separation in R-G-B depending of the surface Chl 137 !CDIR NOVERRCHK 138 DO ji = 1, jpi 139 zchl = MIN( 10. , MAX( 0.03, sf_chl(1)%fnow(ji,jj) ) ) 140 achl(ji,jj) = zchl 141 irgb = NINT( 41 + 20.*LOG10(zchl) + 1.e-15 ) 142 zekb(ji,jj) = rkrgb(1,irgb) 143 zekg(ji,jj) = rkrgb(2,irgb) 144 zekr(ji,jj) = rkrgb(3,irgb) 145 END DO 146 END DO 147 ! 148 zsi0r = 1.e0 / rn_si0 149 zcoef = ( 1. - rn_abs ) / 3.e0 ! equi-partition in R-G-B 150 ze0(:,:,1) = rn_abs * qsr(:,:) 151 ze1(:,:,1) = zcoef * qsr(:,:) 152 ze2(:,:,1) = zcoef * qsr(:,:) 153 ze3(:,:,1) = zcoef * qsr(:,:) 154 zea(:,:,1) = qsr(:,:) 155 ! 156 DO jk = 2, nksr+1 157 !CDIR NOVERRCHK 158 DO jj = 1, jpj 159 !CDIR NOVERRCHK 160 DO ji = 1, jpi 161 zc0 = ze0(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zsi0r ) 162 zc1 = ze1(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zekb(ji,jj) ) 163 zc2 = ze2(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zekg(ji,jj) ) 164 zc3 = ze3(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zekr(ji,jj) ) 165 ze0(ji,jj,jk) = zc0 166 ze1(ji,jj,jk) = zc1 167 ze2(ji,jj,jk) = zc2 168 ze3(ji,jj,jk) = zc3 169 zea(ji,jj,jk) = ( zc0 + zc1 + zc2 + zc3 ) * tmask(ji,jj,jk) 170 END DO 171 END DO 172 END DO 173 ! 174 DO jk = 1, nksr ! compute and add qsr trend to ta 175 ta(:,:,jk) = ta(:,:,jk) + ro0cpr * ( zea(:,:,jk) - zea(:,:,jk+1) ) / fse3t(:,:,jk) 176 END DO 177 ! 178 ELSE !* Constant Chlorophyll 179 DO jk = 1, nksr 180 ta(:,:,jk) = ta(:,:,jk) + etot3(:,:,jk) * qsr(:,:) 181 END DO 182 ENDIF 183 184 !!gm BUG the case key_vvl is missing: etot3 should be recomputed at each time step !!! 185 186 ! ! ------------------------- ! 187 ELSE ! 2 band light penetration ! 188 ! ! ------------------------- ! 189 ! 133 190 DO jk = 1, nksr 134 191 DO jj = 2, jpjm1 135 192 DO ji = fs_2, fs_jpim1 ! vector opt. 136 ! qsr trend from gdsr 137 zc0 = qsr(ji,jj) / fse3t(ji,jj,jk) 138 zta = zc0 * ( gdsr(jk) * tmask(ji,jj,jk) - gdsr(jk+1) * tmask(ji,jj,jk+1) ) 139 ! add qsr trend to the temperature trend 140 ta(ji,jj,jk) = ta(ji,jj,jk) + zta 193 ta(ji,jj,jk) = ta(ji,jj,jk) + etot3(ji,jj,jk) * qsr(ji,jj) 141 194 END DO 142 195 END DO 143 196 END DO 197 ! 144 198 ENDIF 145 ! ! =================== ! 146 IF( ln_zco ) THEN ! z-coordinate ! 147 ! ! =================== ! 148 DO jk = 1, nksr 149 zc0 = 1. / e3t_0(jk) 150 DO jj = 2, jpjm1 151 DO ji = fs_2, fs_jpim1 ! vector opt. 152 ! qsr trend 153 zta = qsr(ji,jj) * zc0 * ( gdsr(jk)*tmask(ji,jj,jk) - gdsr(jk+1)*tmask(ji,jj,jk+1) ) 154 ! add qsr trend to the temperature trend 155 ta(ji,jj,jk) = ta(ji,jj,jk) + zta 156 END DO 157 END DO 158 END DO 159 ENDIF 199 200 !!gm BUG the case key_vvl is missing: etot3 should be recomputed at each time step !!! 201 160 202 ! 161 203 ENDIF … … 178 220 !! 179 221 !! ** Method : The profile of solar radiation within the ocean is set 180 !! from two length scale of penetration ( xsr1,xsr2) and a ratio181 !! (r abs). These parameters are read in the namqsr namelist. The222 !! from two length scale of penetration (rn_si0,rn_si1) and a ratio 223 !! (rn_abs). These parameters are read in the namqsr namelist. The 182 224 !! default values correspond to clear water (type I in Jerlov' 183 225 !! (1968) classification. 184 226 !! called by tra_qsr at the first timestep (nit000) 185 227 !! 186 !! ** Action : - initialize xsr1, xsr2 and rabs228 !! ** Action : - initialize rn_si0, rn_si1 and rn_abs 187 229 !! 188 230 !! Reference : Jerlov, N. G., 1968 Optical Oceanography, Elsevier, 194pp. 189 231 !!---------------------------------------------------------------------- 190 INTEGER :: ji, jj, jk ! dummy loop index 191 INTEGER :: indic ! temporary integer 192 REAL(wp) :: zc0 , zc1 , zc2 ! temporary scalars 193 REAL(wp) :: zcst, zdp1, zdp2 ! " " 194 195 NAMELIST/namqsr/ ln_traqsr, rabs, xsi1, xsi2, ln_qsr_sms 196 !!---------------------------------------------------------------------- 197 198 REWIND ( numnam ) ! Read Namelist namqsr : ratio and length of penetration 199 READ ( numnam, namqsr ) 200 201 IF( ln_traqsr ) THEN ! Parameter control and print 202 IF(lwp) THEN 203 WRITE(numout,*) 204 WRITE(numout,*) 'tra_qsr_init : penetration of the surface solar radiation' 205 WRITE(numout,*) '~~~~~~~~~~~~' 206 WRITE(numout,*) ' Namelist namqsr : set the parameter of penetration' 207 WRITE(numout,*) ' fraction associated with xsi rabs = ',rabs 208 WRITE(numout,*) ' first depth of extinction xsi1 = ',xsi1 209 WRITE(numout,*) ' second depth of extinction xsi2 = ',xsi2 210 IF( lk_qsr_sms ) THEN 211 WRITE(numout,*) ' Biological fluxes for light(Y/N) ln_qsr_sms = ',ln_qsr_sms 232 INTEGER :: ji, jj, jk ! dummy loop indices 233 INTEGER :: irgb, ierror ! temporary integer 234 REAL(wp) :: zc0 , zc1 , zem ! temporary scalars 235 REAL(wp) :: zc2 , zc3 , zchl ! - - 236 REAL(wp) :: zsi0r, zsi1r, zcoef ! - - 237 REAL(wp), DIMENSION(jpi,jpj) :: zekb, zekg, zekr ! 2D workspace 238 REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze0 , ze1 , ze2 , ze3 , zea ! 3D workspace 239 !! 240 CHARACTER(len=100) :: cn_dir ! Root directory for location of ssr files 241 TYPE(FLD_N) :: sn_chl ! informations about the chlorofyl field to be read 242 NAMELIST/namqsr/ sn_chl, cn_dir, ln_traqsr, ln_qsr_rgb, ln_qsr_bio, & 243 & nn_chldta, rn_abs, rn_si0, rn_si1, rn_si2 244 !!---------------------------------------------------------------------- 245 246 cn_dir = './' ! directory in which the model is executed 247 ! ... default values (NB: frequency positive => hours, negative => months) 248 ! ! file ! frequency ! variable ! time interp ! clim ! 'yearly' or ! weights ! rotation ! 249 ! ! name ! (hours) ! name ! (T/F) ! (T/F) ! 'monthly' ! filename ! pairs ! 250 sn_chl = FLD_N( 'chlorophyll' , -1 , 'CHLA' , .true. , .true. , 'yearly' , '' , '' ) 251 ! 252 REWIND( numnam ) ! Read Namelist namqsr : ratio and length of penetration 253 READ ( numnam, namqsr ) 254 ! 255 IF(lwp) THEN ! control print 256 WRITE(numout,*) 257 WRITE(numout,*) 'tra_qsr_init : penetration of the surface solar radiation' 258 WRITE(numout,*) '~~~~~~~~~~~~' 259 WRITE(numout,*) ' Namelist namqsr : set the parameter of penetration' 260 WRITE(numout,*) ' Light penetration (T) or not (F) ln_traqsr = ', ln_traqsr 261 WRITE(numout,*) ' RGB (Red-Green-Blue) light penetration ln_qsr_rgb = ', ln_qsr_rgb 262 WRITE(numout,*) ' bio-model light penetration ln_qsr_bio = ', ln_qsr_bio 263 WRITE(numout,*) ' RGB : Chl data (=1) or cst value (=0) nn_chldta = ', nn_chldta 264 WRITE(numout,*) ' RGB & 2 bands: fraction of light (rn_si1) rn_abs = ', rn_abs 265 WRITE(numout,*) ' RGB & 2 bands: shortess depth of extinction rn_si0 = ', rn_si0 266 WRITE(numout,*) ' 2 bands: longest depth of extinction rn_si1 = ', rn_si1 267 WRITE(numout,*) ' 3 bands: longest depth of extinction rn_si2 = ', rn_si2 268 ENDIF 269 ! ! control consistency 270 IF( lk_qsr_bio .AND. .NOT.ln_qsr_bio ) THEN 271 ln_qsr_bio = .true. 272 CALL ctl_warn( 'Force bio-model light penetraton ln_qsr_bio = TRUE ' ) 273 ENDIF 274 275 ! ! ===================================== ! 276 IF( ln_traqsr ) THEN ! Initialisation of Light Penetration ! 277 ! ! ===================================== ! 278 ! 279 zsi0r = 1.e0 / rn_si0 280 zsi1r = 1.e0 / rn_si1 281 ! ! ---------------------------------- ! 282 IF( ln_qsr_rgb ) THEN ! Red-Green-Blue light penetration ! 283 ! ! ---------------------------------- ! 284 ! 285 ! ! level of light extinction 286 nksr = trc_oce_ext_lev( rn_si2, 0.33e2 ) 287 IF(lwp) THEN 288 WRITE(numout,*) 289 WRITE(numout,*) ' level max of computation of qsr = ', nksr, ' ref depth = ', gdepw_0(nksr+1), ' m' 212 290 ENDIF 291 ! 292 CALL trc_oce_rgb( rkrgb ) !* tabulated attenuation coef. 293 !!gm CALL trc_oce_rgb_read( rkrgb ) !* tabulated attenuation coef. 294 ! 295 IF( nn_chldta == 1 ) THEN !* Chl data : set sf_chl structure 296 IF(lwp) WRITE(numout,*) 297 IF(lwp) WRITE(numout,*) ' Chlorophyll read in a file' 298 ALLOCATE( sf_chl(1), STAT=ierror ) 299 IF( ierror > 0 ) THEN 300 CALL ctl_stop( 'tra_qsr_init: unable to allocate sf_chl structure' ) ; RETURN 301 ENDIF 302 ALLOCATE( sf_chl(1)%fnow(jpi,jpj) ) 303 ALLOCATE( sf_chl(1)%fdta(jpi,jpj,2) ) 304 ! ! fill sf_chl with sn_chl and control print 305 CALL fld_fill( sf_chl, (/ sn_chl /), cn_dir, 'tra_qsr_init', & 306 & 'Solar penetration function of read chlorophyll', 'namqsr' ) 307 ! 308 ELSE !* constant Chl : compute once for all the distribution of light (etot3) 309 IF(lwp) WRITE(numout,*) 310 IF(lwp) WRITE(numout,*) ' Constant Chlorophyll concentration = 0.05' 311 IF(lwp) WRITE(numout,*) ' light distribution computed once for all' 312 ! 313 zchl = 0.05 ! constant chlorophyll 314 irgb = NINT( 41 + 20.*LOG10(zchl) + 1.e-15 ) 315 zekb(:,:) = rkrgb(1,irgb) ! Separation in R-G-B depending of the chlorophyl concentration 316 zekg(:,:) = rkrgb(2,irgb) 317 zekr(:,:) = rkrgb(3,irgb) 318 ! 319 zcoef = ( 1. - rn_abs ) / 3.e0 ! equi-partition in R-G-B 320 ze0(:,:,1) = rn_abs 321 ze1(:,:,1) = zcoef 322 ze2(:,:,1) = zcoef 323 ze3(:,:,1) = zcoef 324 zea(:,:,1) = tmask(:,:,1) ! = ( ze0+ze1+z2+ze3 ) * tmask 325 326 DO jk = 2, nksr+1 327 !CDIR NOVERRCHK 328 DO jj = 1, jpj 329 !CDIR NOVERRCHK 330 DO ji = 1, jpi 331 zc0 = ze0(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zsi0r ) 332 zc1 = ze1(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zekb(ji,jj) ) 333 zc2 = ze2(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zekg(ji,jj) ) 334 zc3 = ze3(ji,jj,jk-1) * EXP( - fse3t(ji,jj,jk-1) * zekr(ji,jj) ) 335 ze0(ji,jj,jk) = zc0 336 ze1(ji,jj,jk) = zc1 337 ze2(ji,jj,jk) = zc2 338 ze3(ji,jj,jk) = zc3 339 zea(ji,jj,jk) = ( zc0 + zc1 + zc2 + zc3 ) * tmask(ji,jj,jk) 340 END DO 341 END DO 342 END DO 343 ! 344 DO jk = 1, nksr 345 etot3(:,:,jk) = ro0cpr * ( zea(:,:,jk) - zea(:,:,jk+1) ) / fse3t(:,:,jk) 346 END DO 347 etot3(:,:,nksr+1:jpk) = 0.e0 ! below 400m set to zero 348 ENDIF 349 ! 350 ! ! ---------------------------------- ! 351 ELSE ! 2 bands light penetration ! 352 ! ! ---------------------------------- ! 353 ! 354 ! ! level of light extinction 355 nksr = trc_oce_ext_lev( rn_si1, 1.e2 ) 356 IF(lwp) THEN 357 WRITE(numout,*) 358 WRITE(numout,*) ' level max of computation of qsr = ', nksr, ' ref depth = ', gdepw_0(nksr+1), ' m' 359 ENDIF 360 ! 361 DO jk = 1, nksr !* solar heat absorbed at T-point computed once for all 362 DO jj = 1, jpj ! top 400 meters 363 DO ji = 1, jpi 364 zc0 = rn_abs * EXP( -fsdepw(ji,jj,jk )*zsi0r ) + (1.-rn_abs) * EXP( -fsdepw(ji,jj,jk )*zsi1r ) 365 zc1 = rn_abs * EXP( -fsdepw(ji,jj,jk+1)*zsi0r ) + (1.-rn_abs) * EXP( -fsdepw(ji,jj,jk+1)*zsi1r ) 366 etot3(ji,jj,jk) = ro0cpr * ( zc0 * tmask(ji,jj,jk) - zc1 * tmask(ji,jj,jk+1) ) / fse3t(ji,jj,jk) 367 END DO 368 END DO 369 END DO 370 etot3(:,:,nksr+1:jpk) = 0.e0 ! below 400m set to zero 371 ! 213 372 ENDIF 214 ELSE 373 ! ! ===================================== ! 374 ELSE ! No light penetration ! 375 ! ! ===================================== ! 215 376 IF(lwp) THEN 216 377 WRITE(numout,*) … … 219 380 ENDIF 220 381 ENDIF 221 222 IF( rabs > 1.e0 .OR. rabs < 0.e0 .OR. xsi1 < 0.e0 .OR. xsi2 < 0.e0 ) &223 CALL ctl_stop( ' 0<rabs<1, 0<xsi1, or 0<xsi2 not satisfied' )224 225 ! ! Initialization of gdsr226 IF( ln_zco .OR. ln_zps ) THEN227 !228 ! z-coordinate with or without partial step : same w-level everywhere inside the ocean229 gdsr(:) = 0.e0230 DO jk = 1, jpk231 zdp1 = -gdepw_0(jk)232 gdsr(jk) = ro0cpr * ( rabs * EXP( zdp1/xsi1 ) + (1.-rabs) * EXP( zdp1/xsi2 ) )233 IF ( gdsr(jk) <= 1.e-10 ) EXIT234 END DO235 indic = 0236 DO jk = 1, jpk237 IF( gdsr(jk) <= 1.e-15 .AND. indic == 0 ) THEN238 gdsr(jk) = 0.e0239 nksr = jk240 indic = 1241 ENDIF242 END DO243 nksr = MIN( nksr, jpkm1 )244 IF(lwp) THEN245 WRITE(numout,*)246 WRITE(numout,*) ' - z-coordinate, level max of computation =', nksr247 WRITE(numout,*) ' profile of coef. of penetration:'248 WRITE(numout,"(' ',7e11.2)") ( gdsr(jk), jk = 1, nksr )249 WRITE(numout,*)250 ENDIF251 ! Initialisation of Biological fluxes for light here because252 ! the optical biological model is call after the dynamical one253 IF( lk_qsr_sms .AND. ln_qsr_sms ) THEN254 DO jk = 1, jpkm1255 zcst = gdsr(jk) / ro0cpr256 etot3(:,:,jk) = qsr(:,:) * zcst * tmask(:,:,jk)257 END DO258 ENDIF259 !260 ENDIF261 262 ! Initialisation of etot3 (s-coordinate)263 ! -----------------------264 IF( ln_sco ) THEN265 etot3(:,:,jpk) = 0.e0266 DO jk = 1, jpkm1267 DO jj = 1, jpj268 DO ji = 1, jpi269 zdp1 = -fsdepw(ji,jj,jk )270 zdp2 = -fsdepw(ji,jj,jk+1)271 zc0 = ro0cpr / fse3t(ji,jj,jk)272 zc1 = ( rabs * EXP(zdp1/xsi1) + (1.-rabs) * EXP(zdp1/xsi2) )273 zc2 = - ( rabs * EXP(zdp2/xsi1) + (1.-rabs) * EXP(zdp2/xsi2) )274 etot3(ji,jj,jk) = zc0 * ( zc1 * tmask(ji,jj,jk) + zc2 * tmask(ji,jj,jk+1) )275 END DO276 END DO277 END DO278 ENDIF279 382 ! 280 383 END SUBROUTINE tra_qsr_init
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