[935] | 1 | MODULE p4zopt |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE p4zopt *** |
---|
| 4 | !! TOP : PISCES Compute the light availability in the water column |
---|
| 5 | !!====================================================================== |
---|
| 6 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
---|
| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
---|
| 8 | !!---------------------------------------------------------------------- |
---|
| 9 | #if defined key_pisces |
---|
| 10 | !!---------------------------------------------------------------------- |
---|
| 11 | !! 'key_pisces' PISCES bio-model |
---|
| 12 | !!---------------------------------------------------------------------- |
---|
| 13 | !! p4z_opt : Compute the light availability in the water column |
---|
| 14 | !!---------------------------------------------------------------------- |
---|
| 15 | USE trc |
---|
| 16 | USE oce_trc ! |
---|
[1119] | 17 | USE trc |
---|
[1073] | 18 | USE sms_pisces |
---|
[935] | 19 | |
---|
| 20 | IMPLICIT NONE |
---|
| 21 | PRIVATE |
---|
| 22 | |
---|
[1073] | 23 | PUBLIC p4z_opt |
---|
[935] | 24 | |
---|
| 25 | !! * Shared module variables |
---|
| 26 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & !: |
---|
| 27 | etot, enano, ediat, & !: PAR for phyto, nano and diat |
---|
| 28 | emoy !: averaged PAR in the mixed layer |
---|
| 29 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj) :: & !: |
---|
| 30 | heup !: Depth of the euphotic zone |
---|
| 31 | |
---|
| 32 | !! * Module variables |
---|
| 33 | REAL(wp), DIMENSION(3,61) :: & !: |
---|
| 34 | xkrgb !: ??? |
---|
| 35 | |
---|
| 36 | !!* Substitution |
---|
| 37 | # include "domzgr_substitute.h90" |
---|
| 38 | !!---------------------------------------------------------------------- |
---|
| 39 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
---|
[1152] | 40 | !! $Id$ |
---|
[935] | 41 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
---|
| 42 | !!---------------------------------------------------------------------- |
---|
| 43 | |
---|
| 44 | CONTAINS |
---|
| 45 | |
---|
| 46 | SUBROUTINE p4z_opt(kt, jnt) |
---|
| 47 | !!--------------------------------------------------------------------- |
---|
| 48 | !! *** ROUTINE p4z_opt *** |
---|
| 49 | !! |
---|
| 50 | !! ** Purpose : Compute the light availability in the water column |
---|
| 51 | !! depending on the depth and the chlorophyll concentration |
---|
| 52 | !! |
---|
| 53 | !! ** Method : - ??? |
---|
| 54 | !!--------------------------------------------------------------------- |
---|
| 55 | INTEGER, INTENT(in) :: kt, jnt ! ocean time step |
---|
| 56 | INTEGER :: ji, jj, jk |
---|
| 57 | INTEGER :: irgb |
---|
| 58 | REAL(wp) :: zchl, zparlux |
---|
| 59 | REAL(wp) :: zrlight , zblight , zglight |
---|
| 60 | REAL(wp), DIMENSION(jpi,jpj) :: zdepmoy, zetmp |
---|
| 61 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zekg, zekr, zekb |
---|
| 62 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze1 , ze2 , ze3 |
---|
| 63 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze3lum, ze4lum |
---|
| 64 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze5lum, ze6lum |
---|
| 65 | !!--------------------------------------------------------------------- |
---|
| 66 | |
---|
| 67 | |
---|
| 68 | IF( ( kt * jnt ) == nittrc000 ) CALL p4z_opt_init ! Initialization (first time-step only) |
---|
| 69 | |
---|
| 70 | |
---|
| 71 | ! Initialisation of variables used to compute PAR |
---|
| 72 | ! ----------------------------------------------- |
---|
| 73 | ze1 (:,:,:) = 0.e0 |
---|
| 74 | ze2 (:,:,:) = 0.e0 |
---|
| 75 | ze3 (:,:,:) = 0.e0 |
---|
| 76 | etot(:,:,:) = 0.e0 |
---|
| 77 | |
---|
| 78 | zparlux = 0.43 / 3. |
---|
| 79 | |
---|
| 80 | ! IF activated, computation of the qsr for the dynamics |
---|
| 81 | ! ----------------------------------------------------- |
---|
| 82 | IF( ln_qsr_sms ) THEN |
---|
| 83 | ze3lum(:,:,:) = 0.e0 |
---|
| 84 | ze4lum(:,:,:) = 0.e0 |
---|
| 85 | ze5lum(:,:,:) = 0.e0 |
---|
| 86 | ze6lum(:,:,:) = 0.e0 |
---|
| 87 | ENDIF |
---|
| 88 | |
---|
| 89 | DO jk = 1, jpkm1 |
---|
| 90 | DO jj = 1, jpj |
---|
| 91 | DO ji = 1, jpi |
---|
| 92 | |
---|
| 93 | ! Separation in three light bands: red, green, blue |
---|
| 94 | ! ------------------------------------------------- |
---|
| 95 | zchl = ( trn(ji,jj,jk,jpnch) + trn(ji,jj,jk,jpdch) + rtrn ) * 1.e6 |
---|
| 96 | zchl = MAX( 0.03, zchl ) |
---|
| 97 | zchl = MIN( 10. , zchl ) |
---|
| 98 | |
---|
| 99 | irgb = INT( 41 + 20.* LOG10( zchl ) + rtrn ) |
---|
| 100 | |
---|
| 101 | zekb(ji,jj,jk) = xkrgb(1,irgb) |
---|
| 102 | zekg(ji,jj,jk) = xkrgb(2,irgb) |
---|
| 103 | zekr(ji,jj,jk) = xkrgb(3,irgb) |
---|
| 104 | |
---|
| 105 | END DO |
---|
| 106 | END DO |
---|
| 107 | END DO |
---|
| 108 | |
---|
| 109 | !CDIR NOVERRCHK |
---|
| 110 | DO jj = 1,jpj |
---|
| 111 | !CDIR NOVERRCHK |
---|
| 112 | DO ji = 1,jpi |
---|
| 113 | |
---|
| 114 | ! Separation in three light bands: red, green, blue |
---|
| 115 | ! ------------------------------------------------- |
---|
| 116 | |
---|
| 117 | zblight = 0.5 * zekb(ji,jj,1) * fse3t(ji,jj,1) |
---|
| 118 | zglight = 0.5 * zekg(ji,jj,1) * fse3t(ji,jj,1) |
---|
| 119 | zrlight = 0.5 * zekr(ji,jj,1) * fse3t(ji,jj,1) |
---|
| 120 | |
---|
| 121 | ze1(ji,jj,1) = zparlux * qsr(ji,jj) * EXP(-zblight) |
---|
| 122 | ze2(ji,jj,1) = zparlux * qsr(ji,jj) * EXP(-zglight) |
---|
| 123 | ze3(ji,jj,1) = zparlux * qsr(ji,jj) * EXP(-zrlight) |
---|
| 124 | |
---|
| 125 | END DO |
---|
| 126 | END DO |
---|
| 127 | |
---|
| 128 | !CDIR NOVERRCHK |
---|
| 129 | DO jk = 2, jpkm1 |
---|
| 130 | !CDIR NOVERRCHK |
---|
| 131 | DO jj = 1, jpj |
---|
| 132 | !CDIR NOVERRCHK |
---|
| 133 | DO ji = 1, jpi |
---|
| 134 | |
---|
| 135 | ! Separation in three light bands: red, green, blue |
---|
| 136 | ! ------------------------------------------------- |
---|
| 137 | |
---|
| 138 | zblight = 0.5 * ( zekb(ji,jj,jk-1) * fse3t(ji,jj,jk-1) & |
---|
| 139 | & + zekb(ji,jj,jk ) * fse3t(ji,jj,jk ) ) |
---|
| 140 | zglight = 0.5 * ( zekg(ji,jj,jk-1) * fse3t(ji,jj,jk-1) & |
---|
| 141 | & + zekg(ji,jj,jk ) * fse3t(ji,jj,jk ) ) |
---|
| 142 | zrlight = 0.5 * ( zekr(ji,jj,jk-1) * fse3t(ji,jj,jk-1) & |
---|
| 143 | & + zekr(ji,jj,jk ) * fse3t(ji,jj,jk ) ) |
---|
| 144 | |
---|
| 145 | ze1(ji,jj,jk) = ze1(ji,jj,jk-1) * EXP(-zblight) |
---|
| 146 | ze2(ji,jj,jk) = ze2(ji,jj,jk-1) * EXP(-zglight) |
---|
| 147 | ze3(ji,jj,jk) = ze3(ji,jj,jk-1) * EXP(-zrlight) |
---|
| 148 | |
---|
| 149 | END DO |
---|
| 150 | END DO |
---|
| 151 | END DO |
---|
| 152 | |
---|
| 153 | etot(:,:,:) = ze1(:,:,:) + ze2(:,:,:) + ze3(:,:,:) |
---|
| 154 | enano(:,:,:) = 2.1 * ze1(:,:,:) + 0.42 * ze2(:,:,:) + 0.4 * ze3(:,:,:) |
---|
| 155 | ediat(:,:,:) = 1.6 * ze1(:,:,:) + 0.69 * ze2(:,:,:) + 0.7 * ze3(:,:,:) |
---|
| 156 | |
---|
| 157 | |
---|
| 158 | IF( ln_qsr_sms ) THEN |
---|
| 159 | |
---|
| 160 | ! In the following, the vertical attenuation of qsr for the dynamics is computed |
---|
| 161 | ! ------------------------------------------------------------------------------ |
---|
| 162 | |
---|
| 163 | !CDIR NOVERRCHK |
---|
| 164 | DO jj = 1, jpj |
---|
| 165 | !CDIR NOVERRCHK |
---|
| 166 | DO ji = 1, jpi |
---|
| 167 | |
---|
| 168 | ! Separation in three light bands: red, green, blue |
---|
| 169 | ! ------------------------------------------------- |
---|
| 170 | |
---|
| 171 | zblight = 0.5 * zekb(ji,jj,1) * fse3t(ji,jj,1) |
---|
| 172 | zglight = 0.5 * zekg(ji,jj,1) * fse3t(ji,jj,1) |
---|
| 173 | zrlight = 0.5 * zekr(ji,jj,1) * fse3t(ji,jj,1) |
---|
| 174 | |
---|
| 175 | ze3lum(ji,jj,1) = zparlux * qsr(ji,jj) |
---|
| 176 | ze4lum(ji,jj,1) = zparlux * qsr(ji,jj) |
---|
| 177 | ze5lum(ji,jj,1) = zparlux * qsr(ji,jj) |
---|
| 178 | ze6lum(ji,jj,1) = (1.-3. * zparlux) * qsr(ji,jj) |
---|
| 179 | |
---|
| 180 | END DO |
---|
| 181 | END DO |
---|
| 182 | |
---|
| 183 | !CDIR NOVERRCHK |
---|
| 184 | DO jk = 2, jpkm1 |
---|
| 185 | !CDIR NOVERRCHK |
---|
| 186 | DO jj = 1, jpj |
---|
| 187 | !CDIR NOVERRCHK |
---|
| 188 | DO ji = 1, jpi |
---|
| 189 | |
---|
| 190 | ! Separation in three light bands: red, green, blue |
---|
| 191 | ! ------------------------------------------------- |
---|
| 192 | |
---|
| 193 | zblight = zekb(ji,jj,jk-1) * fse3t(ji,jj,jk-1) |
---|
| 194 | zglight = zekg(ji,jj,jk-1) * fse3t(ji,jj,jk-1) |
---|
| 195 | zrlight = zekr(ji,jj,jk-1) * fse3t(ji,jj,jk-1) |
---|
| 196 | |
---|
| 197 | ze3lum(ji,jj,jk) = ze3lum(ji,jj,jk-1) * EXP( -zblight ) |
---|
| 198 | ze4lum(ji,jj,jk) = ze4lum(ji,jj,jk-1) * EXP( -zglight ) |
---|
| 199 | ze5lum(ji,jj,jk) = ze5lum(ji,jj,jk-1) * EXP( -zrlight ) |
---|
| 200 | ze6lum(ji,jj,jk) = ze6lum(ji,jj,jk-1) * EXP( -fse3t(ji,jj,jk-1) / xsi1 ) |
---|
| 201 | |
---|
| 202 | END DO |
---|
| 203 | END DO |
---|
| 204 | END DO |
---|
| 205 | |
---|
| 206 | etot3(:,:,:) = ze3lum(:,:,:) + ze4lum(:,:,:) + ze5lum(:,:,:) + ze6lum(:,:,:) |
---|
| 207 | |
---|
| 208 | ENDIF |
---|
| 209 | |
---|
| 210 | ! Computation of the euphotic depth |
---|
| 211 | ! --------------------------------- |
---|
| 212 | |
---|
| 213 | heup(:,:) = 300.e0 |
---|
| 214 | |
---|
| 215 | DO jk = 2, jpkm1 |
---|
| 216 | DO jj = 1, jpj |
---|
| 217 | DO ji = 1, jpi |
---|
| 218 | IF( etot(ji,jj,jk) >= 0.0043 * qsr(ji,jj) ) heup(ji,jj) = fsdepw(ji,jj,jk+1) |
---|
| 219 | END DO |
---|
| 220 | END DO |
---|
| 221 | END DO |
---|
| 222 | |
---|
| 223 | heup(:,:) = MIN( 300., heup(:,:) ) |
---|
| 224 | |
---|
| 225 | ! Computation of the mean light over the mixed layer depth |
---|
| 226 | ! -------------------------------------------------------- |
---|
| 227 | |
---|
| 228 | zdepmoy(:,:) = 0.e0 |
---|
| 229 | zetmp (:,:) = 0.e0 |
---|
| 230 | emoy (:,:,:) = 0.e0 |
---|
| 231 | |
---|
| 232 | DO jk = 1, jpkm1 |
---|
| 233 | DO jj = 1, jpj |
---|
| 234 | DO ji = 1, jpi |
---|
| 235 | IF( fsdepw(ji,jj,jk+1) <= hmld(ji,jj) ) THEN |
---|
| 236 | zetmp (ji,jj) = zetmp (ji,jj) + etot(ji,jj,jk) * fse3t(ji,jj,jk) |
---|
| 237 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + fse3t(ji,jj,jk) |
---|
| 238 | ENDIF |
---|
| 239 | END DO |
---|
| 240 | END DO |
---|
| 241 | END DO |
---|
| 242 | |
---|
| 243 | emoy(:,:,:) = etot(:,:,:) |
---|
| 244 | |
---|
| 245 | DO jk = 1, jpkm1 |
---|
| 246 | DO jj = 1, jpj |
---|
| 247 | DO ji = 1, jpi |
---|
| 248 | IF( fsdepw(ji,jj,jk+1) <= hmld(ji,jj) ) THEN |
---|
| 249 | emoy(ji,jj,jk) = zetmp(ji,jj) / ( zdepmoy(ji,jj) + rtrn ) |
---|
| 250 | ENDIF |
---|
| 251 | END DO |
---|
| 252 | END DO |
---|
| 253 | END DO |
---|
| 254 | |
---|
| 255 | |
---|
| 256 | # if defined key_trc_diaadd |
---|
[1119] | 257 | trc2d(:,:,jp_pcs0_2d + 10) = heup(:,:) |
---|
[935] | 258 | # endif |
---|
| 259 | ! |
---|
| 260 | END SUBROUTINE p4z_opt |
---|
| 261 | |
---|
| 262 | SUBROUTINE p4z_opt_init |
---|
| 263 | |
---|
| 264 | !!---------------------------------------------------------------------- |
---|
| 265 | !! *** ROUTINE p4z_opt_init *** |
---|
| 266 | !! |
---|
| 267 | !! ** Purpose : Initialization of of the optical scheme |
---|
| 268 | !! |
---|
| 269 | !! ** Method : read the look up table for the optical coefficients |
---|
| 270 | !! |
---|
| 271 | !! ** input : xKRGB61 |
---|
| 272 | !! |
---|
| 273 | !!---------------------------------------------------------------------- |
---|
| 274 | |
---|
| 275 | INTEGER :: ichl, iband |
---|
| 276 | INTEGER :: numlight |
---|
| 277 | REAL(wp) :: ztoto |
---|
| 278 | |
---|
| 279 | ! FROM THE NEW BIOOPTIC MODEL PROPOSED JM ANDRE, WE READ HERE |
---|
| 280 | ! A PRECOMPUTED ARRAY CORRESPONDING TO THE ATTENUATION COEFFICIENT |
---|
| 281 | |
---|
| 282 | CALL ctlopn( numlight, 'kRGB61.txt', 'OLD', 'FORMATTED', 'SEQUENTIAL', & |
---|
| 283 | & 1, numout, .TRUE., 1 ) |
---|
| 284 | |
---|
| 285 | DO ichl = 1,61 |
---|
| 286 | READ(numlight,*) ztoto, ( xkrgb(iband,ichl), iband = 1,3 ) |
---|
| 287 | END DO |
---|
| 288 | |
---|
| 289 | CLOSE(numlight) |
---|
| 290 | |
---|
| 291 | IF(lwp) THEN ! control print |
---|
| 292 | WRITE(numout,*) ' ' |
---|
| 293 | WRITE(numout,*) ' Initialization of the optical look-up table done' |
---|
| 294 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
| 295 | ENDIF |
---|
| 296 | |
---|
| 297 | END SUBROUTINE p4z_opt_init |
---|
| 298 | |
---|
| 299 | |
---|
| 300 | #else |
---|
| 301 | !!====================================================================== |
---|
| 302 | !! Dummy module : No PISCES bio-model |
---|
| 303 | !!====================================================================== |
---|
| 304 | CONTAINS |
---|
| 305 | SUBROUTINE p4z_opt ! Empty routine |
---|
| 306 | END SUBROUTINE p4z_opt |
---|
| 307 | #endif |
---|
| 308 | |
---|
| 309 | !!====================================================================== |
---|
| 310 | END MODULE p4zopt |
---|