[935] | 1 | MODULE p4zmicro |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE p4zmicro *** |
---|
| 4 | !! TOP : PISCES Compute the sources/sinks for microzooplankton |
---|
| 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_micro : Compute the sources/sinks for microzooplankton |
---|
| 14 | !! p4z_micro_init : Initialize and read the appropriate namelist |
---|
| 15 | !!---------------------------------------------------------------------- |
---|
| 16 | USE trc |
---|
| 17 | USE oce_trc ! |
---|
[1119] | 18 | USE trc ! |
---|
[1073] | 19 | USE sms_pisces ! |
---|
[935] | 20 | USE prtctl_trc |
---|
| 21 | USE p4zint |
---|
| 22 | USE p4zsink |
---|
[1678] | 23 | USE iom |
---|
[935] | 24 | |
---|
| 25 | IMPLICIT NONE |
---|
| 26 | PRIVATE |
---|
| 27 | |
---|
| 28 | PUBLIC p4z_micro ! called in p4zbio.F90 |
---|
| 29 | |
---|
| 30 | !! * Shared module variables |
---|
| 31 | REAL(wp), PUBLIC :: & |
---|
| 32 | xpref2c = 0.0_wp , & !: |
---|
| 33 | xpref2p = 0.5_wp , & !: |
---|
| 34 | xpref2d = 0.5_wp , & !: |
---|
[1073] | 35 | resrat = 0.03_wp , & !: |
---|
| 36 | mzrat = 0.0_wp , & !: |
---|
| 37 | grazrat = 4.0_wp , & !: |
---|
| 38 | xkgraz = 20E-6_wp , & !: |
---|
| 39 | unass = 0.3_wp , & !: |
---|
| 40 | sigma1 = 0.6_wp , & !: |
---|
| 41 | epsher = 0.33_wp |
---|
[935] | 42 | |
---|
| 43 | |
---|
| 44 | !!* Substitution |
---|
[1953] | 45 | # include "top_substitute.h90" |
---|
[935] | 46 | !!---------------------------------------------------------------------- |
---|
| 47 | !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) |
---|
[1152] | 48 | !! $Id$ |
---|
[935] | 49 | !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) |
---|
| 50 | !!---------------------------------------------------------------------- |
---|
| 51 | |
---|
| 52 | CONTAINS |
---|
| 53 | |
---|
| 54 | SUBROUTINE p4z_micro( kt,jnt ) |
---|
| 55 | !!--------------------------------------------------------------------- |
---|
| 56 | !! *** ROUTINE p4z_micro *** |
---|
| 57 | !! |
---|
| 58 | !! ** Purpose : Compute the sources/sinks for microzooplankton |
---|
| 59 | !! |
---|
| 60 | !! ** Method : - ??? |
---|
| 61 | !!--------------------------------------------------------------------- |
---|
| 62 | INTEGER, INTENT(in) :: kt, jnt ! ocean time step |
---|
| 63 | INTEGER :: ji, jj, jk |
---|
| 64 | REAL(wp) :: zcompadi, zcompadi2, zcompaz , zcompaph, zcompapoc |
---|
| 65 | REAL(wp) :: zgraze , zdenom , zdenom2 |
---|
| 66 | REAL(wp) :: zfact , zstep , zinano , zidiat, zipoc |
---|
| 67 | REAL(wp) :: zgrarem, zgrafer, zgrapoc, zprcaca, zmortz |
---|
| 68 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zrespz,ztortz |
---|
| 69 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazp, zgrazm, zgrazsd |
---|
| 70 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazmf, zgrazsf, zgrazpf |
---|
| 71 | CHARACTER (len=25) :: charout |
---|
| 72 | |
---|
| 73 | !!--------------------------------------------------------------------- |
---|
| 74 | |
---|
| 75 | IF( ( kt * jnt ) == nittrc000 ) CALL p4z_micro_init ! Initialization (first time-step only) |
---|
| 76 | |
---|
[1678] | 77 | zrespz (:,:,:) = 0. |
---|
| 78 | ztortz (:,:,:) = 0. |
---|
| 79 | zgrazp (:,:,:) = 0. |
---|
| 80 | zgrazm (:,:,:) = 0. |
---|
| 81 | zgrazsd(:,:,:) = 0. |
---|
| 82 | zgrazmf(:,:,:) = 0. |
---|
| 83 | zgrazsf(:,:,:) = 0. |
---|
| 84 | zgrazpf(:,:,:) = 0. |
---|
[935] | 85 | |
---|
[2038] | 86 | #if defined key_diatrc |
---|
[1970] | 87 | grazing(:,:,:) = 0. !: Initialisation of grazing |
---|
| 88 | #endif |
---|
[935] | 89 | |
---|
[1736] | 90 | zstep = rfact2 / rday ! Time step duration for biology |
---|
[1678] | 91 | |
---|
[935] | 92 | DO jk = 1, jpkm1 |
---|
| 93 | DO jj = 1, jpj |
---|
| 94 | DO ji = 1, jpi |
---|
| 95 | |
---|
| 96 | zcompaz = MAX( ( trn(ji,jj,jk,jpzoo) - 1.e-9 ), 0.e0 ) |
---|
[2038] | 97 | # if defined key_degrad |
---|
[935] | 98 | zfact = zstep * tgfunc(ji,jj,jk) * zcompaz *facvol(ji,jj,jk) |
---|
| 99 | # else |
---|
| 100 | zfact = zstep * tgfunc(ji,jj,jk) * zcompaz |
---|
| 101 | # endif |
---|
| 102 | |
---|
| 103 | ! Respiration rates of both zooplankton |
---|
| 104 | ! ------------------------------------- |
---|
| 105 | |
---|
| 106 | zrespz(ji,jj,jk) = resrat * zfact * ( 1.+ 3.* nitrfac(ji,jj,jk) ) & |
---|
| 107 | & * trn(ji,jj,jk,jpzoo) / ( xkmort + trn(ji,jj,jk,jpzoo) ) |
---|
| 108 | |
---|
| 109 | ! Zooplankton mortality. A square function has been selected with |
---|
| 110 | ! no real reason except that it seems to be more stable and may |
---|
| 111 | ! mimic predation. |
---|
| 112 | ! --------------------------------------------------------------- |
---|
| 113 | ztortz(ji,jj,jk) = mzrat * 1.e6 * zfact * trn(ji,jj,jk,jpzoo) |
---|
| 114 | |
---|
| 115 | END DO |
---|
| 116 | END DO |
---|
| 117 | END DO |
---|
| 118 | |
---|
| 119 | |
---|
| 120 | |
---|
| 121 | DO jk = 1,jpkm1 |
---|
| 122 | DO jj = 1,jpj |
---|
| 123 | DO ji = 1,jpi |
---|
| 124 | zcompadi = MAX( ( trn(ji,jj,jk,jpdia) - 1.e-8 ), 0.e0 ) |
---|
| 125 | zcompadi2 = MIN( zcompadi, 5.e-7 ) |
---|
| 126 | zcompaph = MAX( ( trn(ji,jj,jk,jpphy) - 2.e-7 ), 0.e0 ) |
---|
| 127 | zcompapoc = MAX( ( trn(ji,jj,jk,jppoc) - 1.e-8 ), 0.e0 ) |
---|
| 128 | |
---|
| 129 | ! Microzooplankton grazing |
---|
| 130 | ! ------------------------ |
---|
| 131 | zdenom2 = 1./ ( xpref2p * zcompaph + xpref2c * zcompapoc + xpref2d * zcompadi2 + rtrn ) |
---|
| 132 | |
---|
| 133 | zgraze = grazrat * zstep * tgfunc(ji,jj,jk) & |
---|
[2038] | 134 | # if defined key_degrad |
---|
[935] | 135 | & * facvol(ji,jj,jk) & |
---|
| 136 | # endif |
---|
| 137 | & * trn(ji,jj,jk,jpzoo) |
---|
| 138 | |
---|
| 139 | zinano = xpref2p * zcompaph * zdenom2 |
---|
| 140 | zipoc = xpref2c * zcompapoc * zdenom2 |
---|
| 141 | zidiat = xpref2d * zcompadi2 * zdenom2 |
---|
| 142 | |
---|
| 143 | zdenom = 1./ ( xkgraz + zinano * zcompaph + zipoc * zcompapoc + zidiat * zcompadi2 ) |
---|
| 144 | |
---|
| 145 | zgrazp(ji,jj,jk) = zgraze * zinano * zcompaph * zdenom |
---|
| 146 | zgrazm(ji,jj,jk) = zgraze * zipoc * zcompapoc * zdenom |
---|
| 147 | zgrazsd(ji,jj,jk) = zgraze * zidiat * zcompadi2 * zdenom |
---|
| 148 | |
---|
| 149 | zgrazpf (ji,jj,jk) = zgrazp(ji,jj,jk) * trn(ji,jj,jk,jpnfe) / (trn(ji,jj,jk,jpphy) + rtrn) |
---|
| 150 | zgrazmf(ji,jj,jk) = zgrazm(ji,jj,jk) * trn(ji,jj,jk,jpsfe) / (trn(ji,jj,jk,jppoc) + rtrn) |
---|
| 151 | zgrazsf(ji,jj,jk) = zgrazsd(ji,jj,jk) * trn(ji,jj,jk,jpdfe) / (trn(ji,jj,jk,jpdia) + rtrn) |
---|
| 152 | |
---|
| 153 | END DO |
---|
| 154 | END DO |
---|
| 155 | END DO |
---|
| 156 | |
---|
[2038] | 157 | #if defined key_diatrc |
---|
[1970] | 158 | ! Grazing by microzooplankton |
---|
| 159 | grazing(:,:,:) = grazing(:,:,:) + zgrazp(:,:,:) + zgrazm(:,:,:) + zgrazsd(:,:,:) |
---|
| 160 | #endif |
---|
[935] | 161 | |
---|
| 162 | DO jk = 1,jpkm1 |
---|
| 163 | DO jj = 1,jpj |
---|
| 164 | DO ji = 1,jpi |
---|
| 165 | ! Various remineralization and excretion terms |
---|
| 166 | ! -------------------------------------------- |
---|
| 167 | |
---|
| 168 | zgrarem = ( zgrazp(ji,jj,jk) + zgrazm(ji,jj,jk) + zgrazsd(ji,jj,jk) ) & |
---|
| 169 | & * ( 1.- epsher - unass ) |
---|
| 170 | zgrafer = ( zgrazpf(ji,jj,jk) + zgrazsf(ji,jj,jk) + zgrazmf(ji,jj,jk) ) & |
---|
| 171 | & * ( 1.- epsher - unass ) + epsher * & |
---|
| 172 | & ( zgrazm(ji,jj,jk) * MAX((trn(ji,jj,jk,jpsfe) /(trn(ji,jj,jk,jppoc)+ rtrn)-ferat3),0.e0) & |
---|
| 173 | & + zgrazp(ji,jj,jk) * MAX((trn(ji,jj,jk,jpnfe)/(trn(ji,jj,jk,jpphy)+ rtrn)-ferat3),0.e0) & |
---|
| 174 | & + zgrazsd(ji,jj,jk) * MAX((trn(ji,jj,jk,jpdfe)/(trn(ji,jj,jk,jpdia)+ rtrn)-ferat3),0.e0 ) ) |
---|
| 175 | zgrapoc = ( zgrazp(ji,jj,jk) + zgrazm(ji,jj,jk) + zgrazsd(ji,jj,jk) ) * unass |
---|
| 176 | |
---|
| 177 | ! Update of the TRA arrays |
---|
| 178 | ! ------------------------ |
---|
| 179 | |
---|
| 180 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + zgrarem * sigma1 |
---|
| 181 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zgrarem * sigma1 |
---|
| 182 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zgrarem * (1.-sigma1) |
---|
| 183 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2ut * zgrarem * sigma1 |
---|
| 184 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zgrafer |
---|
| 185 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + zgrapoc |
---|
| 186 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrarem * sigma1 |
---|
| 187 | #if defined key_kriest |
---|
| 188 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) + zgrapoc * xkr_ddiat |
---|
| 189 | #endif |
---|
| 190 | END DO |
---|
| 191 | END DO |
---|
| 192 | END DO |
---|
| 193 | |
---|
| 194 | ! |
---|
| 195 | ! Update the arrays TRA which contain the biological sources and sinks |
---|
| 196 | ! -------------------------------------------------------------------- |
---|
| 197 | |
---|
| 198 | DO jk = 1, jpkm1 |
---|
| 199 | DO jj = 1, jpj |
---|
| 200 | DO ji = 1, jpi |
---|
| 201 | |
---|
| 202 | zmortz = ztortz(ji,jj,jk) + zrespz(ji,jj,jk) |
---|
| 203 | tra(ji,jj,jk,jpzoo) = tra(ji,jj,jk,jpzoo) - zmortz & |
---|
| 204 | & + epsher * ( zgrazp(ji,jj,jk) + zgrazm(ji,jj,jk) + zgrazsd(ji,jj,jk)) |
---|
| 205 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) - zgrazp(ji,jj,jk) |
---|
| 206 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) - zgrazsd(ji,jj,jk) |
---|
| 207 | tra(ji,jj,jk,jpnch) = tra(ji,jj,jk,jpnch) - zgrazp(ji,jj,jk) & |
---|
| 208 | & * trn(ji,jj,jk,jpnch)/(trn(ji,jj,jk,jpphy)+rtrn) |
---|
| 209 | tra(ji,jj,jk,jpdch) = tra(ji,jj,jk,jpdch) - zgrazsd(ji,jj,jk) & |
---|
| 210 | & * trn(ji,jj,jk,jpdch)/(trn(ji,jj,jk,jpdia)+rtrn) |
---|
| 211 | tra(ji,jj,jk,jpbsi) = tra(ji,jj,jk,jpbsi) - zgrazsd(ji,jj,jk) & |
---|
| 212 | & * trn(ji,jj,jk,jpbsi)/(trn(ji,jj,jk,jpdia)+rtrn) |
---|
| 213 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) + zgrazsd(ji,jj,jk) & |
---|
| 214 | & * trn(ji,jj,jk,jpbsi)/(trn(ji,jj,jk,jpdia)+rtrn) |
---|
| 215 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) - zgrazpf(ji,jj,jk) |
---|
| 216 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) - zgrazsf(ji,jj,jk) |
---|
| 217 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + zmortz - zgrazm(ji,jj,jk) |
---|
| 218 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + ferat3 * zmortz & |
---|
| 219 | & + unass * ( zgrazpf(ji,jj,jk) + zgrazsf (ji,jj,jk)) & |
---|
| 220 | & - (1.-unass) * zgrazmf(ji,jj,jk) |
---|
[1678] | 221 | zprcaca = xfracal(ji,jj,jk) * unass * zgrazp(ji,jj,jk) |
---|
[2038] | 222 | #if defined key_diatrc |
---|
[1678] | 223 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
---|
| 224 | #endif |
---|
| 225 | zprcaca = part * zprcaca |
---|
[935] | 226 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) - zprcaca |
---|
[1678] | 227 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) - 2. * zprcaca |
---|
[935] | 228 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal) + zprcaca |
---|
| 229 | #if defined key_kriest |
---|
| 230 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) + ( zmortz - zgrazm(ji,jj,jk) ) * xkr_ddiat |
---|
| 231 | #endif |
---|
| 232 | END DO |
---|
| 233 | END DO |
---|
| 234 | END DO |
---|
| 235 | ! |
---|
[1970] | 236 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
[935] | 237 | WRITE(charout, FMT="('micro')") |
---|
| 238 | CALL prt_ctl_trc_info(charout) |
---|
| 239 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
[1970] | 240 | ENDIF |
---|
[935] | 241 | |
---|
| 242 | END SUBROUTINE p4z_micro |
---|
| 243 | |
---|
| 244 | |
---|
| 245 | SUBROUTINE p4z_micro_init |
---|
| 246 | |
---|
| 247 | !!---------------------------------------------------------------------- |
---|
| 248 | !! *** ROUTINE p4z_micro_init *** |
---|
| 249 | !! |
---|
| 250 | !! ** Purpose : Initialization of microzooplankton parameters |
---|
| 251 | !! |
---|
[1119] | 252 | !! ** Method : Read the nampiszoo namelist and check the parameters |
---|
[935] | 253 | !! called at the first timestep (nittrc000) |
---|
| 254 | !! |
---|
[1119] | 255 | !! ** input : Namelist nampiszoo |
---|
[935] | 256 | !! |
---|
| 257 | !!---------------------------------------------------------------------- |
---|
| 258 | |
---|
[1119] | 259 | NAMELIST/nampiszoo/ grazrat,resrat,mzrat,xpref2c, xpref2p, & |
---|
[935] | 260 | & xpref2d, xkgraz, epsher, sigma1, unass |
---|
| 261 | |
---|
| 262 | REWIND( numnat ) ! read numnat |
---|
[1119] | 263 | READ ( numnat, nampiszoo ) |
---|
[935] | 264 | |
---|
| 265 | IF(lwp) THEN ! control print |
---|
| 266 | WRITE(numout,*) ' ' |
---|
[1119] | 267 | WRITE(numout,*) ' Namelist parameters for microzooplankton, nampiszoo' |
---|
[935] | 268 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
| 269 | WRITE(numout,*) ' zoo preference for POC xpref2c =', xpref2c |
---|
| 270 | WRITE(numout,*) ' zoo preference for nano xpref2p =', xpref2p |
---|
| 271 | WRITE(numout,*) ' zoo preference for diatoms xpref2d =', xpref2d |
---|
| 272 | WRITE(numout,*) ' exsudation rate of microzooplankton resrat =', resrat |
---|
| 273 | WRITE(numout,*) ' microzooplankton mortality rate mzrat =', mzrat |
---|
| 274 | WRITE(numout,*) ' maximal microzoo grazing rate grazrat =', grazrat |
---|
| 275 | WRITE(numout,*) ' non assimilated fraction of P by microzoo unass =', unass |
---|
| 276 | WRITE(numout,*) ' Efficicency of microzoo growth epsher =', epsher |
---|
| 277 | WRITE(numout,*) ' Fraction of microzoo excretion as DOM sigma1 =', sigma1 |
---|
| 278 | WRITE(numout,*) ' half sturation constant for grazing 1 xkgraz =', xkgraz |
---|
| 279 | ENDIF |
---|
| 280 | |
---|
| 281 | END SUBROUTINE p4z_micro_init |
---|
| 282 | |
---|
| 283 | #else |
---|
| 284 | !!====================================================================== |
---|
| 285 | !! Dummy module : No PISCES bio-model |
---|
| 286 | !!====================================================================== |
---|
| 287 | CONTAINS |
---|
| 288 | SUBROUTINE p4z_micro ! Empty routine |
---|
| 289 | END SUBROUTINE p4z_micro |
---|
| 290 | #endif |
---|
| 291 | |
---|
| 292 | !!====================================================================== |
---|
| 293 | END MODULE p4zmicro |
---|