[7162] | 1 | MODULE p5zmeso |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE p5zmeso *** |
---|
[15459] | 4 | !! TOP : PISCES-QUOTA Compute the sources/sinks for mesozooplankton |
---|
[7162] | 5 | !!====================================================================== |
---|
| 6 | !! History : 1.0 ! 2002 (O. Aumont) Original code |
---|
| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
---|
| 8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Quota model for iron |
---|
| 9 | !! 3.6 ! 2015-05 (O. Aumont) PISCES quota |
---|
| 10 | !!---------------------------------------------------------------------- |
---|
[15459] | 11 | !! p5z_meso : Compute the sources/sinks for mesozooplankton |
---|
| 12 | !! p5z_meso_init : Initialization of the parameters for mesozooplankton |
---|
| 13 | !! p5z_meso_alloc : Allocate variables for mesozooplankton |
---|
[7162] | 14 | !!---------------------------------------------------------------------- |
---|
| 15 | USE oce_trc ! shared variables between ocean and passive tracers |
---|
| 16 | USE trc ! passive tracers common variables |
---|
| 17 | USE sms_pisces ! PISCES Source Minus Sink variables |
---|
[13286] | 18 | USE prtctl ! print control for debugging |
---|
[7162] | 19 | USE iom ! I/O manager |
---|
| 20 | |
---|
| 21 | IMPLICIT NONE |
---|
| 22 | PRIVATE |
---|
| 23 | |
---|
| 24 | PUBLIC p5z_meso ! called in p5zbio.F90 |
---|
| 25 | PUBLIC p5z_meso_init ! called in trcsms_pisces.F90 |
---|
[15459] | 26 | PUBLIC p5z_meso_alloc ! called in trcini_pisces.F90 |
---|
[7162] | 27 | |
---|
| 28 | !! * Shared module variables |
---|
| 29 | REAL(wp), PUBLIC :: part2 !: part of calcite not dissolved in mesozoo guts |
---|
| 30 | REAL(wp), PUBLIC :: xpref2c !: mesozoo preference for POC |
---|
[10362] | 31 | REAL(wp), PUBLIC :: xpref2n !: mesozoo preference for nanophyto |
---|
[7162] | 32 | REAL(wp), PUBLIC :: xpref2z !: mesozoo preference for zooplankton |
---|
| 33 | REAL(wp), PUBLIC :: xpref2d !: mesozoo preference for Diatoms |
---|
| 34 | REAL(wp), PUBLIC :: xpref2m !: mesozoo preference for mesozoo |
---|
| 35 | REAL(wp), PUBLIC :: xthresh2zoo !: zoo feeding threshold for mesozooplankton |
---|
| 36 | REAL(wp), PUBLIC :: xthresh2dia !: diatoms feeding threshold for mesozooplankton |
---|
| 37 | REAL(wp), PUBLIC :: xthresh2phy !: nanophyto feeding threshold for mesozooplankton |
---|
| 38 | REAL(wp), PUBLIC :: xthresh2poc !: poc feeding threshold for mesozooplankton |
---|
| 39 | REAL(wp), PUBLIC :: xthresh2mes !: mesozoo feeding threshold for mesozooplankton |
---|
| 40 | REAL(wp), PUBLIC :: xthresh2 !: feeding threshold for mesozooplankton |
---|
| 41 | REAL(wp), PUBLIC :: resrat2 !: exsudation rate of mesozooplankton |
---|
| 42 | REAL(wp), PUBLIC :: mzrat2 !: microzooplankton mortality rate |
---|
| 43 | REAL(wp), PUBLIC :: grazrat2 !: maximal mesozoo grazing rate |
---|
[10362] | 44 | REAL(wp), PUBLIC :: xkgraz2 !: Half-saturation constant of assimilation |
---|
| 45 | REAL(wp), PUBLIC :: unass2c !: Non-assimilated fraction of food |
---|
| 46 | REAL(wp), PUBLIC :: unass2n !: Non-assimilated fraction of food |
---|
| 47 | REAL(wp), PUBLIC :: unass2p !: Non-assimilated fraction of food |
---|
| 48 | REAL(wp), PUBLIC :: epsher2 !: Growth efficiency of mesozoo |
---|
| 49 | REAL(wp), PUBLIC :: epsher2min !: Minimum growth efficiency of mesozoo |
---|
[7162] | 50 | REAL(wp), PUBLIC :: ssigma2 !: Fraction excreted as semi-labile DOM |
---|
| 51 | REAL(wp), PUBLIC :: srespir2 !: Active respiration |
---|
| 52 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
---|
[15459] | 53 | REAL(wp), PUBLIC :: xfracmig !: Fractional biomass of meso that performs DVM |
---|
| 54 | REAL(wp), PUBLIC :: xsigma2 !: Width of the predation window |
---|
| 55 | REAL(wp), PUBLIC :: xsigma2del !: Maximum width of the predation window at low food density |
---|
[7162] | 56 | LOGICAL, PUBLIC :: bmetexc2 !: Use of excess carbon for respiration |
---|
[15459] | 57 | LOGICAL , PUBLIC :: ln_dvm_meso !: Boolean to activate DVM of mesozooplankton |
---|
| 58 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: depmig !: DVM of mesozooplankton : migration depth |
---|
| 59 | INTEGER , ALLOCATABLE, SAVE, DIMENSION(:,:) :: kmig !: Vertical indice of the the migration depth |
---|
[7162] | 60 | |
---|
[12377] | 61 | !! * Substitutions |
---|
| 62 | # include "do_loop_substitute.h90" |
---|
[15459] | 63 | # include "domzgr_substitute.h90" |
---|
[7162] | 64 | !!---------------------------------------------------------------------- |
---|
[10067] | 65 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
---|
[10068] | 66 | !! $Id$ |
---|
| 67 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
[7162] | 68 | !!---------------------------------------------------------------------- |
---|
| 69 | |
---|
| 70 | CONTAINS |
---|
| 71 | |
---|
[15459] | 72 | SUBROUTINE p5z_meso( kt, knt, Kbb, Kmm, Krhs ) |
---|
[7162] | 73 | !!--------------------------------------------------------------------- |
---|
| 74 | !! *** ROUTINE p5z_meso *** |
---|
| 75 | !! |
---|
| 76 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
---|
[15459] | 77 | !! This includes ingestion and assimilation, flux feeding |
---|
| 78 | !! and mortality. We use an active prey switching |
---|
| 79 | !! parameterization Morozov and Petrovskii (2013). |
---|
| 80 | !! All living compartments and mesozooplankton |
---|
| 81 | !! are potential preys of mesozooplankton as well as small |
---|
| 82 | !! sinking particles |
---|
[7162] | 83 | !! |
---|
| 84 | !!--------------------------------------------------------------------- |
---|
[12377] | 85 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
---|
[15459] | 86 | INTEGER, INTENT(in) :: Kbb, Kmm, Krhs ! time level indices |
---|
| 87 | ! |
---|
| 88 | INTEGER :: ji, jj, jk, jkt |
---|
[7162] | 89 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam, zcompames |
---|
[15459] | 90 | REAL(wp) :: zgraze2, zdenom, zfact, zfood, zfoodlim, zproport, zdep |
---|
[7162] | 91 | REAL(wp) :: zmortzgoc, zfracc, zfracn, zfracp, zfracfe, zratio, zratio2 |
---|
[15459] | 92 | REAL(wp) :: zepsherf, zepshert, zepsherq, zepsherv, zrespirc, zrespirn, zrespirp, zbasresb, zbasresi |
---|
[7162] | 93 | REAL(wp) :: zgraztotc, zgraztotn, zgraztotp, zgraztotf, zbasresn, zbasresp, zbasresf |
---|
[15459] | 94 | REAL(wp) :: zgradoct, zgradont, zgrareft, zgradopt |
---|
| 95 | REAL(wp) :: zprcaca, zmortz, zexcess |
---|
[7162] | 96 | REAL(wp) :: zbeta, zrespz, ztortz, zgrasratp, zgrasratn, zgrasratf |
---|
| 97 | REAL(wp) :: ztmp1, ztmp2, ztmp3, ztmp4, ztmp5, ztmptot |
---|
| 98 | REAL(wp) :: zgrazdc, zgrazz, zgrazm, zgrazpof, zgrazcal, zfracal |
---|
| 99 | REAL(wp) :: zgraznc, zgrazpoc, zgrazpon, zgrazpop, zgraznf, zgrazdf |
---|
| 100 | REAL(wp) :: zgraznp, zgraznn, zgrazdn, zgrazdp |
---|
| 101 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
---|
| 102 | REAL(wp) :: zgrazffnp, zgrazffng, zgrazffpp, zgrazffpg |
---|
[15459] | 103 | REAL(wp) :: zmigreltime, zrum, zcodel, zargu, zval, zmigthick |
---|
[7162] | 104 | CHARACTER (len=25) :: charout |
---|
[15459] | 105 | REAL(wp) :: zrfact2, zmetexcess, zsigma, zdiffdn |
---|
| 106 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing, zfezoo2 |
---|
| 107 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrarem, zgraref, zgrapoc, zgrapof |
---|
| 108 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrarep, zgraren, zgrapon, zgrapop |
---|
| 109 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgradoc, zgradon, zgradop |
---|
| 110 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigrem, zgramigref, zgramigpoc, zgramigpof |
---|
| 111 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigrep, zgramigren, zgramigpop, zgramigpon |
---|
| 112 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigdoc, zgramigdop, zgramigdon |
---|
| 113 | |
---|
[7162] | 114 | |
---|
| 115 | !!--------------------------------------------------------------------- |
---|
| 116 | ! |
---|
[9124] | 117 | IF( ln_timing ) CALL timing_start('p5z_meso') |
---|
[7162] | 118 | ! |
---|
[15459] | 119 | ! Initialization of local arrays |
---|
| 120 | zgrazing(:,:,:) = 0._wp ; zfezoo2(:,:,:) = 0._wp |
---|
| 121 | zgrarem (:,:,:) = 0._wp ; zgraren(:,:,:) = 0._wp |
---|
| 122 | zgrarep (:,:,:) = 0._wp ; zgraref(:,:,:) = 0._wp |
---|
| 123 | zgrapoc (:,:,:) = 0._wp ; zgrapon(:,:,:) = 0._wp |
---|
| 124 | zgrapop (:,:,:) = 0._wp ; zgrapof(:,:,:) = 0._wp |
---|
| 125 | zgradoc (:,:,:) = 0._wp ; zgradon(:,:,:) = 0._wp |
---|
| 126 | zgradop (:,:,:) = 0._wp |
---|
| 127 | ! |
---|
| 128 | |
---|
| 129 | ! |
---|
| 130 | ! Diurnal vertical migration of mesozooplankton |
---|
| 131 | ! Computation of the migration depth |
---|
| 132 | ! --------------------------------------------- |
---|
| 133 | IF( ln_dvm_meso ) CALL p5z_meso_depmig( Kbb, Kmm ) |
---|
| 134 | |
---|
| 135 | ! Use of excess carbon for metabolism |
---|
[7162] | 136 | zmetexcess = 0.0 |
---|
| 137 | IF ( bmetexc2 ) zmetexcess = 1.0 |
---|
| 138 | |
---|
[15090] | 139 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
---|
[12377] | 140 | zcompam = MAX( ( tr(ji,jj,jk,jpmes,Kbb) - 1.e-9 ), 0.e0 ) |
---|
| 141 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
---|
[7162] | 142 | |
---|
[15459] | 143 | ! linear mortality of mesozooplankton |
---|
| 144 | ! A michaelis menten modulation term is used to avoid extinction of |
---|
| 145 | ! mesozooplankton at very low food concentrations |
---|
| 146 | ! ----------------------------------------------------------------- |
---|
[12377] | 147 | zrespz = resrat2 * zfact * ( tr(ji,jj,jk,jpmes,Kbb) / ( xkmort + tr(ji,jj,jk,jpmes,Kbb) ) & |
---|
| 148 | & + 3. * nitrfac(ji,jj,jk) ) |
---|
[7162] | 149 | |
---|
[15459] | 150 | ! Zooplankton quadratic mortality. A square function has been selected with |
---|
| 151 | ! to mimic predation and disease (density dependent mortality). It also tends |
---|
| 152 | ! to stabilise the model |
---|
| 153 | ! ------------------------------------------------------------------------- |
---|
[12377] | 154 | ztortz = mzrat2 * 1.e6 * zfact * tr(ji,jj,jk,jpmes,Kbb) * (1. - nitrfac(ji,jj,jk)) |
---|
[7162] | 155 | |
---|
[12377] | 156 | ! Computation of the abundance of the preys |
---|
| 157 | ! A threshold can be specified in the namelist |
---|
| 158 | ! -------------------------------------------- |
---|
| 159 | zcompadi = MAX( ( tr(ji,jj,jk,jpdia,Kbb) - xthresh2dia ), 0.e0 ) |
---|
| 160 | zcompaz = MAX( ( tr(ji,jj,jk,jpzoo,Kbb) - xthresh2zoo ), 0.e0 ) |
---|
| 161 | zcompaph = MAX( ( tr(ji,jj,jk,jpphy,Kbb) - xthresh2phy ), 0.e0 ) |
---|
| 162 | zcompapoc = MAX( ( tr(ji,jj,jk,jppoc,Kbb) - xthresh2poc ), 0.e0 ) |
---|
| 163 | zcompames = MAX( ( tr(ji,jj,jk,jpmes,Kbb) - xthresh2mes ), 0.e0 ) |
---|
[7162] | 164 | |
---|
[15459] | 165 | ! Mesozooplankton grazing |
---|
| 166 | ! The total amount of food is the sum of all preys accessible to mesozooplankton |
---|
| 167 | ! multiplied by their food preference |
---|
| 168 | ! A threshold can be specified in the namelist (xthresh2). However, when food |
---|
| 169 | ! concentration is close to this threshold, it is decreased to avoid the |
---|
| 170 | ! accumulation of food in the mesozoopelagic domain |
---|
| 171 | ! ------------------------------------------------------------------------------- |
---|
[12377] | 172 | zfood = xpref2d * zcompadi + xpref2z * zcompaz + xpref2n * zcompaph + xpref2c * zcompapoc & |
---|
| 173 | & + xpref2m * zcompames |
---|
| 174 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
---|
| 175 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
---|
| 176 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jpmes,Kbb) * (1. - nitrfac(ji,jj,jk)) |
---|
[7162] | 177 | |
---|
[15459] | 178 | ! An active switching parameterization is used here. |
---|
| 179 | ! We don't use the KTW parameterization proposed by |
---|
| 180 | ! Vallina et al. because it tends to produce too steady biomass |
---|
| 181 | ! composition and the variance of Chl is too low as it grazes |
---|
| 182 | ! too strongly on winning organisms. We use a generalized |
---|
| 183 | ! switching parameterization proposed by Morozov and |
---|
| 184 | ! Petrovskii (2013) |
---|
| 185 | ! ------------------------------------------------------------ |
---|
| 186 | ! The width of the selection window is increased when preys |
---|
| 187 | ! have low abundance, .i.e. zooplankton become less specific |
---|
| 188 | ! to avoid starvation. |
---|
| 189 | ! ---------------------------------------------------------- |
---|
| 190 | zsigma = 1.0 - zdenom**3/(0.1**3+zdenom**3) |
---|
| 191 | zsigma = xsigma2 + xsigma2del * zsigma |
---|
| 192 | ! Nanophytoplankton and diatoms are the only preys considered |
---|
| 193 | ! to be close enough to have potential interference |
---|
| 194 | ! ----------------------------------------------------------- |
---|
| 195 | zdiffdn = exp( -ABS(log(3.0 * sizen(ji,jj,jk) / (5.0 * sized(ji,jj,jk) + rtrn )) )**2 / zsigma**2 ) |
---|
| 196 | ztmp1 = xpref2n * zcompaph * ( zcompaph + zdiffdn * zcompadi ) / (1.0 + zdiffdn) |
---|
| 197 | ztmp2 = xpref2m * zcompames**2 |
---|
| 198 | ztmp3 = xpref2c * zcompapoc**2 |
---|
| 199 | ztmp4 = xpref2d * zcompadi * ( zdiffdn * zcompadi + zcompaph ) / (1.0 + zdiffdn) |
---|
| 200 | ztmp5 = xpref2z * zcompaz**2 |
---|
[12377] | 201 | ztmptot = ztmp1 + ztmp2 + ztmp3 + ztmp4 + ztmp5 + rtrn |
---|
| 202 | ztmp1 = ztmp1 / ztmptot |
---|
| 203 | ztmp2 = ztmp2 / ztmptot |
---|
| 204 | ztmp3 = ztmp3 / ztmptot |
---|
| 205 | ztmp4 = ztmp4 / ztmptot |
---|
| 206 | ztmp5 = ztmp5 / ztmptot |
---|
[7162] | 207 | |
---|
[12377] | 208 | ! Mesozooplankton regular grazing on the different preys |
---|
| 209 | ! ------------------------------------------------------ |
---|
| 210 | zgrazdc = zgraze2 * ztmp4 * zdenom |
---|
| 211 | zgrazdn = zgrazdc * tr(ji,jj,jk,jpndi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn) |
---|
| 212 | zgrazdp = zgrazdc * tr(ji,jj,jk,jppdi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn) |
---|
| 213 | zgrazdf = zgrazdc * tr(ji,jj,jk,jpdfe,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn) |
---|
| 214 | zgrazz = zgraze2 * ztmp5 * zdenom |
---|
| 215 | zgrazm = zgraze2 * ztmp2 * zdenom |
---|
| 216 | zgraznc = zgraze2 * ztmp1 * zdenom |
---|
| 217 | zgraznn = zgraznc * tr(ji,jj,jk,jpnph,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn) |
---|
| 218 | zgraznp = zgraznc * tr(ji,jj,jk,jppph,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn) |
---|
| 219 | zgraznf = zgraznc * tr(ji,jj,jk,jpnfe,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn) |
---|
| 220 | zgrazpoc = zgraze2 * ztmp3 * zdenom |
---|
| 221 | zgrazpon = zgrazpoc * tr(ji,jj,jk,jppon,Kbb) / ( tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
---|
| 222 | zgrazpop = zgrazpoc * tr(ji,jj,jk,jppop,Kbb) / ( tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
---|
| 223 | zgrazpof = zgrazpoc * tr(ji,jj,jk,jpsfe,Kbb) / ( tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
---|
[7162] | 224 | |
---|
[15459] | 225 | ! Mesozooplankton flux feeding on GOC and POC. The feeding pressure |
---|
| 226 | ! is proportional to the flux |
---|
| 227 | ! ------------------------------------------------------------------ |
---|
[12377] | 228 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
---|
| 229 | & * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jpgoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
---|
| 230 | & * (1. - nitrfac(ji,jj,jk)) |
---|
| 231 | zgrazfffg = zgrazffeg * tr(ji,jj,jk,jpbfe,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
---|
| 232 | zgrazffng = zgrazffeg * tr(ji,jj,jk,jpgon,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
---|
| 233 | zgrazffpg = zgrazffeg * tr(ji,jj,jk,jpgop,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
---|
| 234 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
---|
| 235 | & * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jppoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
---|
| 236 | & * (1. - nitrfac(ji,jj,jk)) |
---|
| 237 | zgrazfffp = zgrazffep * tr(ji,jj,jk,jpsfe,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
---|
| 238 | zgrazffnp = zgrazffep * tr(ji,jj,jk,jppon,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
---|
| 239 | zgrazffpp = zgrazffep * tr(ji,jj,jk,jppop,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
---|
| 240 | ! |
---|
| 241 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
---|
[7162] | 242 | |
---|
[15459] | 243 | ! Compute the proportion of filter feeders. It is assumed steady state. |
---|
| 244 | ! --------------------------------------------------------------------- |
---|
| 245 | zproport = 0._wp |
---|
| 246 | IF( gdepw(ji,jj,jk+1,Kmm) > MAX(hmld(ji,jj), heup_01(ji,jj) ) ) THEN |
---|
| 247 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztotc) |
---|
| 248 | ENDIF |
---|
[7162] | 249 | |
---|
[12377] | 250 | ! Compute fractionation of aggregates. It is assumed that |
---|
| 251 | ! diatoms based aggregates are more prone to fractionation |
---|
| 252 | ! since they are more porous (marine snow instead of fecal pellets) |
---|
| 253 | ! ---------------------------------------------------------------- |
---|
| 254 | zratio = tr(ji,jj,jk,jpgsi,Kbb) / ( tr(ji,jj,jk,jpgoc,Kbb) + rtrn ) |
---|
| 255 | zratio2 = zratio * zratio |
---|
| 256 | zfracc = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
---|
| 257 | & * tr(ji,jj,jk,jpgoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
---|
[15459] | 258 | & * ( 0.4 + 3.6 * zratio2 / ( 1.**2 + zratio2 ) ) |
---|
[12377] | 259 | zfracfe = zfracc * tr(ji,jj,jk,jpbfe,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
---|
| 260 | zfracn = zfracc * tr(ji,jj,jk,jpgon,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
---|
| 261 | zfracp = zfracc * tr(ji,jj,jk,jpgop,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
---|
[7162] | 262 | |
---|
[15459] | 263 | ! Flux feeding is multiplied by the fractional biomass of flux feeders |
---|
| 264 | zgrazffep = zproport * zgrazffep ; zgrazffeg = zproport * zgrazffeg |
---|
| 265 | zgrazfffp = zproport * zgrazfffp ; zgrazfffg = zproport * zgrazfffg |
---|
| 266 | zgrazffnp = zproport * zgrazffnp ; zgrazffng = zproport * zgrazffng |
---|
| 267 | zgrazffpp = zproport * zgrazffpp ; zgrazffpg = zproport * zgrazffpg |
---|
| 268 | zgrazdc = (1.0 - zproport) * zgrazdc ; zgraznc = (1.0 - zproport) * zgraznc |
---|
| 269 | zgrazz = (1.0 - zproport) * zgrazz ; zgrazpoc = (1.0 - zproport) * zgrazpoc |
---|
| 270 | zgrazm = (1.0 - zproport) * zgrazm |
---|
| 271 | zgrazdn = (1.0 - zproport) * zgrazdn ; zgraznn = (1.0 - zproport) * zgraznn |
---|
| 272 | zgrazpon = (1.0 - zproport) * zgrazpon |
---|
| 273 | zgrazdp = (1.0 - zproport) * zgrazdp ; zgraznp = (1.0 - zproport) * zgraznp |
---|
| 274 | zgrazpop = (1.0 - zproport) * zgrazpop |
---|
| 275 | zgrazdf = (1.0 - zproport) * zgrazdf ; zgraznf = (1.0 - zproport) * zgraznf |
---|
| 276 | zgrazpof = (1.0 - zproport) * zgrazpof |
---|
[7162] | 277 | |
---|
[12377] | 278 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
---|
[15459] | 279 | zgraztotf = zgrazdf + zgraznf + zgrazz * feratz + zgrazm * feratm + zgrazpof & |
---|
[12377] | 280 | & + zgrazfffp + zgrazfffg |
---|
| 281 | zgraztotn = zgrazdn + (zgrazm + zgrazz) * no3rat3 + zgraznn + zgrazpon & |
---|
| 282 | & + zgrazffnp + zgrazffng |
---|
| 283 | zgraztotp = zgrazdp + (zgrazz + zgrazm) * po4rat3 + zgraznp + zgrazpop & |
---|
| 284 | & + zgrazffpp + zgrazffpg |
---|
[7162] | 285 | |
---|
[12377] | 286 | ! Total grazing ( grazing by microzoo is already computed in p5zmicro ) |
---|
| 287 | zgrazing(ji,jj,jk) = zgraztotc |
---|
[7162] | 288 | |
---|
[12377] | 289 | ! Stoichiometruc ratios of the food ingested by zooplanton |
---|
| 290 | ! -------------------------------------------------------- |
---|
| 291 | zgrasratf = (zgraztotf + rtrn) / ( zgraztotc + rtrn ) |
---|
| 292 | zgrasratn = (zgraztotn + rtrn) / ( zgraztotc + rtrn ) |
---|
| 293 | zgrasratp = (zgraztotp + rtrn) / ( zgraztotc + rtrn ) |
---|
[7162] | 294 | |
---|
[15459] | 295 | ! Mesozooplankton efficiency. |
---|
| 296 | ! We adopt a formulation proposed by Mitra et al. (2007) |
---|
| 297 | ! The gross growth efficiency is controled by the most limiting nutrient. |
---|
| 298 | ! Growth is also further decreased when the food quality is poor. This is currently |
---|
| 299 | ! hard coded : it can be decreased by up to 50% (zepsherq) |
---|
| 300 | ! GGE can also be decreased when food quantity is high, zepsherf (Montagnes and |
---|
| 301 | ! Fulton, 2012) |
---|
| 302 | ! ----------------------------------------------------------------------------------- |
---|
| 303 | zepshert = MIN( 1., zgrasratn/ no3rat3, zgrasratp/ po4rat3, zgrasratf / feratm) |
---|
[12377] | 304 | zbeta = MAX(0., (epsher2 - epsher2min) ) |
---|
| 305 | zepsherf = epsher2min + zbeta / ( 1.0 + 0.04E6 * 12. * zfood * zbeta ) |
---|
[15459] | 306 | zepsherq = 0.5 + (1.0 - 0.5) * zepshert * ( 1.0 + 1.0 ) / ( zepshert + 1.0 ) |
---|
| 307 | zepsherv = zepsherf * zepshert * zepsherq |
---|
[7162] | 308 | |
---|
[12377] | 309 | ! Respiration of mesozooplankton |
---|
| 310 | ! Excess carbon in the food is used preferentially |
---|
[15459] | 311 | ! when bmetexc2 is set to .true. |
---|
| 312 | ! ----------------------------------------------- |
---|
[12377] | 313 | zexcess = zgraztotc * zepsherf * (1.0 - zepshert) * zmetexcess |
---|
| 314 | zbasresb = MAX(0., zrespz - zexcess) |
---|
| 315 | zbasresi = zexcess + MIN(0., zrespz - zexcess) |
---|
| 316 | zrespirc = srespir2 * zepsherv * zgraztotc + zbasresb |
---|
[7162] | 317 | |
---|
[12377] | 318 | ! When excess carbon is used, the other elements in excess |
---|
| 319 | ! are also used proportionally to their abundance |
---|
| 320 | ! -------------------------------------------------------- |
---|
| 321 | zexcess = ( zgrasratn/ no3rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
---|
| 322 | zbasresn = zbasresi * zexcess * zgrasratn |
---|
| 323 | zexcess = ( zgrasratp/ po4rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
---|
| 324 | zbasresp = zbasresi * zexcess * zgrasratp |
---|
[15459] | 325 | zexcess = ( zgrasratf/ feratm - zepshert ) / ( 1.0 - zepshert + rtrn) |
---|
[12377] | 326 | zbasresf = zbasresi * zexcess * zgrasratf |
---|
[7162] | 327 | |
---|
[12377] | 328 | ! Voiding of the excessive elements as organic matter |
---|
| 329 | ! -------------------------------------------------------- |
---|
| 330 | zgradoct = (1. - unass2c - zepsherv) * zgraztotc - zbasresi |
---|
| 331 | zgradont = (1. - unass2n) * zgraztotn - zepsherv * no3rat3 * zgraztotc - zbasresn |
---|
| 332 | zgradopt = (1. - unass2p) * zgraztotp - zepsherv * po4rat3 * zgraztotc - zbasresp |
---|
[15459] | 333 | zgrareft = (1. - unass2c) * zgraztotf - zepsherv * feratm * zgraztotc - zbasresf |
---|
| 334 | ztmp1 = (1. - epsher2 - unass2c) /( 1. - epsher2 ) * ztortz |
---|
[7162] | 335 | |
---|
[15459] | 336 | zgradoc(ji,jj,jk) = (zgradoct + ztmp1) * ssigma2 |
---|
| 337 | zgradon(ji,jj,jk) = (zgradont + no3rat3 * ztmp1) * ssigma2 |
---|
| 338 | zgradop(ji,jj,jk) = (zgradopt + po4rat3 * ztmp1) * ssigma2 |
---|
| 339 | |
---|
| 340 | |
---|
[12377] | 341 | ! Since only semilabile DOM is represented in PISCES |
---|
| 342 | ! part of DOM is in fact labile and is then released |
---|
| 343 | ! as dissolved inorganic compounds (ssigma2) |
---|
| 344 | ! -------------------------------------------------- |
---|
[15459] | 345 | zgrarem(ji,jj,jk) = ( zgradoct + ztmp1 ) * (1.0 - ssigma2) |
---|
| 346 | zgraren(ji,jj,jk) = ( zgradont + no3rat3 * ztmp1 ) * (1.0 - ssigma2) |
---|
| 347 | zgrarep(ji,jj,jk) = ( zgradopt + po4rat3 * ztmp1 ) * (1.0 - ssigma2) |
---|
| 348 | zgraref(ji,jj,jk) = zgrareft + feratm * ztmp1 |
---|
[7162] | 349 | |
---|
[12377] | 350 | ! Defecation as a result of non assimilated products |
---|
| 351 | ! -------------------------------------------------- |
---|
[15459] | 352 | zgrapoc(ji,jj,jk) = zgraztotc * unass2c + unass2c / ( 1. - epsher2 ) * ztortz |
---|
| 353 | zgrapon(ji,jj,jk) = zgraztotn * unass2n + no3rat3 * unass2n / ( 1. - epsher2 ) * ztortz |
---|
| 354 | zgrapop(ji,jj,jk) = zgraztotp * unass2p + po4rat3 * unass2p / ( 1. - epsher2 ) * ztortz |
---|
| 355 | zgrapof(ji,jj,jk) = zgraztotf * unass2c + feratm * unass2c / ( 1. - epsher2 ) * ztortz |
---|
[7162] | 356 | |
---|
[12377] | 357 | ! Addition of respiration to the release of inorganic nutrients |
---|
| 358 | ! ------------------------------------------------------------- |
---|
[15459] | 359 | zgrarem(ji,jj,jk) = zgrarem(ji,jj,jk) + zbasresi + zrespirc |
---|
| 360 | zgraren(ji,jj,jk) = zgraren(ji,jj,jk) + zbasresn + zrespirc * no3rat3 |
---|
| 361 | zgrarep(ji,jj,jk) = zgrarep(ji,jj,jk) + zbasresp + zrespirc * po4rat3 |
---|
| 362 | zgraref(ji,jj,jk) = zgraref(ji,jj,jk) + zbasresf + zrespirc * feratm |
---|
| 363 | |
---|
[7162] | 364 | |
---|
[12377] | 365 | ! Update the arrays TRA which contain the biological sources and |
---|
| 366 | ! sinks |
---|
| 367 | ! -------------------------------------------------------------- |
---|
| 368 | tr(ji,jj,jk,jpmes,Krhs) = tr(ji,jj,jk,jpmes,Krhs) + zepsherv * zgraztotc - zrespirc & |
---|
| 369 | & - ztortz - zgrazm |
---|
| 370 | tr(ji,jj,jk,jpdia,Krhs) = tr(ji,jj,jk,jpdia,Krhs) - zgrazdc |
---|
| 371 | tr(ji,jj,jk,jpndi,Krhs) = tr(ji,jj,jk,jpndi,Krhs) - zgrazdn |
---|
| 372 | tr(ji,jj,jk,jppdi,Krhs) = tr(ji,jj,jk,jppdi,Krhs) - zgrazdp |
---|
| 373 | tr(ji,jj,jk,jpdfe,Krhs) = tr(ji,jj,jk,jpdfe,Krhs) - zgrazdf |
---|
| 374 | tr(ji,jj,jk,jpzoo,Krhs) = tr(ji,jj,jk,jpzoo,Krhs) - zgrazz |
---|
| 375 | tr(ji,jj,jk,jpphy,Krhs) = tr(ji,jj,jk,jpphy,Krhs) - zgraznc |
---|
| 376 | tr(ji,jj,jk,jpnph,Krhs) = tr(ji,jj,jk,jpnph,Krhs) - zgraznn |
---|
| 377 | tr(ji,jj,jk,jppph,Krhs) = tr(ji,jj,jk,jppph,Krhs) - zgraznp |
---|
| 378 | tr(ji,jj,jk,jpnfe,Krhs) = tr(ji,jj,jk,jpnfe,Krhs) - zgraznf |
---|
| 379 | tr(ji,jj,jk,jpnch,Krhs) = tr(ji,jj,jk,jpnch,Krhs) - zgraznc * tr(ji,jj,jk,jpnch,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
---|
| 380 | tr(ji,jj,jk,jpdch,Krhs) = tr(ji,jj,jk,jpdch,Krhs) - zgrazdc * tr(ji,jj,jk,jpdch,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
---|
| 381 | tr(ji,jj,jk,jpdsi,Krhs) = tr(ji,jj,jk,jpdsi,Krhs) - zgrazdc * tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
---|
| 382 | tr(ji,jj,jk,jpgsi,Krhs) = tr(ji,jj,jk,jpgsi,Krhs) + zgrazdc * tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
---|
[7162] | 383 | |
---|
[12377] | 384 | tr(ji,jj,jk,jppoc,Krhs) = tr(ji,jj,jk,jppoc,Krhs) - zgrazpoc - zgrazffep + zfracc |
---|
| 385 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfracc |
---|
| 386 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
---|
| 387 | tr(ji,jj,jk,jppon,Krhs) = tr(ji,jj,jk,jppon,Krhs) - zgrazpon - zgrazffnp + zfracn |
---|
| 388 | tr(ji,jj,jk,jppop,Krhs) = tr(ji,jj,jk,jppop,Krhs) - zgrazpop - zgrazffpp + zfracp |
---|
[15459] | 389 | tr(ji,jj,jk,jpgoc,Krhs) = tr(ji,jj,jk,jpgoc,Krhs) - zgrazffeg - zfracc |
---|
[12377] | 390 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfracc |
---|
[15459] | 391 | tr(ji,jj,jk,jpgon,Krhs) = tr(ji,jj,jk,jpgon,Krhs) - zgrazffng - zfracn |
---|
| 392 | tr(ji,jj,jk,jpgop,Krhs) = tr(ji,jj,jk,jpgop,Krhs) - zgrazffpg - zfracp |
---|
[12377] | 393 | tr(ji,jj,jk,jpsfe,Krhs) = tr(ji,jj,jk,jpsfe,Krhs) - zgrazpof - zgrazfffp + zfracfe |
---|
[15459] | 394 | tr(ji,jj,jk,jpbfe,Krhs) = tr(ji,jj,jk,jpbfe,Krhs) - zgrazfffg - zfracfe |
---|
[12377] | 395 | zfracal = tr(ji,jj,jk,jpcal,Kbb) / ( tr(ji,jj,jk,jpgoc,Kbb) + rtrn ) |
---|
| 396 | zgrazcal = zgrazffeg * (1. - part2) * zfracal |
---|
[7162] | 397 | |
---|
[15459] | 398 | ! Calcite production |
---|
| 399 | ! Calcite remineralization due to zooplankton activity |
---|
| 400 | ! part2 of the ingested calcite is dissolving in the acidic gut |
---|
| 401 | ! ------------------------------------------------------------- |
---|
[12377] | 402 | zprcaca = xfracal(ji,jj,jk) * zgraznc |
---|
| 403 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
---|
| 404 | zprcaca = part2 * zprcaca |
---|
| 405 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) + zgrazcal - zprcaca |
---|
| 406 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + 2. * ( zgrazcal - zprcaca ) |
---|
| 407 | tr(ji,jj,jk,jpcal,Krhs) = tr(ji,jj,jk,jpcal,Krhs) - zgrazcal + zprcaca |
---|
| 408 | END_3D |
---|
[15459] | 409 | |
---|
| 410 | |
---|
| 411 | ! Computation of the effect of DVM by mesozooplankton |
---|
| 412 | ! This part is only activated if ln_dvm_meso is set to true |
---|
| 413 | ! The parameterization has been published in Gorgues et al. (2019). |
---|
| 414 | ! ----------------------------------------------------------------- |
---|
| 415 | IF( ln_dvm_meso ) THEN |
---|
| 416 | ALLOCATE( zgramigrem(jpi,jpj), zgramigref(jpi,jpj), zgramigpoc(jpi,jpj), zgramigpof(jpi,jpj) ) |
---|
| 417 | ALLOCATE( zgramigrep(jpi,jpj), zgramigren(jpi,jpj), zgramigpop(jpi,jpj), zgramigpon(jpi,jpj) ) |
---|
| 418 | ALLOCATE( zgramigdoc(jpi,jpj), zgramigdon(jpi,jpj), zgramigdop(jpi,jpj) ) |
---|
| 419 | zgramigrem(:,:) = 0.0 ; zgramigref(:,:) = 0.0 |
---|
| 420 | zgramigrep(:,:) = 0.0 ; zgramigren(:,:) = 0.0 |
---|
| 421 | zgramigpoc(:,:) = 0.0 ; zgramigpof(:,:) = 0.0 |
---|
| 422 | zgramigpop(:,:) = 0.0 ; zgramigpon(:,:) = 0.0 |
---|
| 423 | zgramigdoc(:,:) = 0.0 ; zgramigdon(:,:) = 0.0 |
---|
| 424 | zgramigdop(:,:) = 0.0 |
---|
| 425 | |
---|
| 426 | ! Compute the amount of materials that will go into vertical migration |
---|
| 427 | ! This fraction is sumed over the euphotic zone and is removed from |
---|
| 428 | ! the fluxes driven by mesozooplankton in the euphotic zone. |
---|
| 429 | ! -------------------------------------------------------------------- |
---|
| 430 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
---|
| 431 | zmigreltime = (1. - strn(ji,jj)) |
---|
| 432 | IF( gdept(ji,jj,jk,Kmm) <= heup(ji,jj) ) THEN |
---|
| 433 | zmigthick = e3t(ji,jj,jk,Kmm) * tmask(ji,jj,jk) * ( 1. - zmigreltime ) |
---|
| 434 | zgramigrem(ji,jj) = zgramigrem(ji,jj) + xfracmig * zgrarem(ji,jj,jk) * zmigthick |
---|
| 435 | zgramigrep(ji,jj) = zgramigrep(ji,jj) + xfracmig * zgrarep(ji,jj,jk) * zmigthick |
---|
| 436 | zgramigren(ji,jj) = zgramigren(ji,jj) + xfracmig * zgraren(ji,jj,jk) * zmigthick |
---|
| 437 | zgramigref(ji,jj) = zgramigref(ji,jj) + xfracmig * zgraref(ji,jj,jk) * zmigthick |
---|
| 438 | zgramigpoc(ji,jj) = zgramigpoc(ji,jj) + xfracmig * zgrapoc(ji,jj,jk) * zmigthick |
---|
| 439 | zgramigpop(ji,jj) = zgramigpop(ji,jj) + xfracmig * zgrapop(ji,jj,jk) * zmigthick |
---|
| 440 | zgramigpon(ji,jj) = zgramigpon(ji,jj) + xfracmig * zgrapon(ji,jj,jk) * zmigthick |
---|
| 441 | zgramigpof(ji,jj) = zgramigpof(ji,jj) + xfracmig * zgrapof(ji,jj,jk) * zmigthick |
---|
| 442 | zgramigdoc(ji,jj) = zgramigdoc(ji,jj) + xfracmig * zgradoc(ji,jj,jk) * zmigthick |
---|
| 443 | zgramigdop(ji,jj) = zgramigdop(ji,jj) + xfracmig * zgradop(ji,jj,jk) * zmigthick |
---|
| 444 | zgramigdon(ji,jj) = zgramigdon(ji,jj) + xfracmig * zgradon(ji,jj,jk) * zmigthick |
---|
| 445 | |
---|
| 446 | zgrarem(ji,jj,jk) = zgrarem(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 447 | zgrarep(ji,jj,jk) = zgrarep(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 448 | zgraren(ji,jj,jk) = zgraren(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 449 | zgraref(ji,jj,jk) = zgraref(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 450 | zgrapoc(ji,jj,jk) = zgrapoc(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 451 | zgrapop(ji,jj,jk) = zgrapop(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 452 | zgrapon(ji,jj,jk) = zgrapon(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 453 | zgrapof(ji,jj,jk) = zgrapof(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 454 | zgradoc(ji,jj,jk) = zgradoc(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 455 | zgradop(ji,jj,jk) = zgradop(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 456 | zgradon(ji,jj,jk) = zgradon(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 457 | ENDIF |
---|
| 458 | END_3D |
---|
| 459 | |
---|
| 460 | ! The inorganic and organic fluxes induced by migrating organisms are added at the |
---|
| 461 | ! the migration depth (corresponding indice is set by kmig) |
---|
| 462 | ! -------------------------------------------------------------------------------- |
---|
| 463 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
---|
| 464 | IF( tmask(ji,jj,1) == 1. ) THEN |
---|
| 465 | jkt = kmig(ji,jj) |
---|
| 466 | zdep = 1. / e3t(ji,jj,jkt,Kmm) |
---|
| 467 | zgrarem(ji,jj,jkt) = zgrarem(ji,jj,jkt) + zgramigrem(ji,jj) * zdep |
---|
| 468 | zgrarep(ji,jj,jkt) = zgrarep(ji,jj,jkt) + zgramigrep(ji,jj) * zdep |
---|
| 469 | zgraren(ji,jj,jkt) = zgraren(ji,jj,jkt) + zgramigren(ji,jj) * zdep |
---|
| 470 | zgraref(ji,jj,jkt) = zgraref(ji,jj,jkt) + zgramigref(ji,jj) * zdep |
---|
| 471 | zgrapoc(ji,jj,jkt) = zgrapoc(ji,jj,jkt) + zgramigpoc(ji,jj) * zdep |
---|
| 472 | zgrapop(ji,jj,jkt) = zgrapop(ji,jj,jkt) + zgramigpop(ji,jj) * zdep |
---|
| 473 | zgrapon(ji,jj,jkt) = zgrapon(ji,jj,jkt) + zgramigpon(ji,jj) * zdep |
---|
| 474 | zgrapof(ji,jj,jkt) = zgrapof(ji,jj,jkt) + zgramigpof(ji,jj) * zdep |
---|
| 475 | zgradoc(ji,jj,jkt) = zgradoc(ji,jj,jkt) + zgramigdoc(ji,jj) * zdep |
---|
| 476 | zgradop(ji,jj,jkt) = zgradop(ji,jj,jkt) + zgramigdop(ji,jj) * zdep |
---|
| 477 | zgradon(ji,jj,jkt) = zgradon(ji,jj,jkt) + zgramigdon(ji,jj) * zdep |
---|
| 478 | ENDIF |
---|
| 479 | END_2D |
---|
| 480 | ! |
---|
| 481 | ! Deallocate temporary variables |
---|
| 482 | ! ------------------------------ |
---|
| 483 | DEALLOCATE( zgramigrem, zgramigref, zgramigpoc, zgramigpof ) |
---|
| 484 | DEALLOCATE( zgramigrep, zgramigren, zgramigpop, zgramigpon ) |
---|
| 485 | DEALLOCATE( zgramigdoc, zgramigdon, zgramigdop ) |
---|
| 486 | ! End of the ln_dvm_meso part |
---|
| 487 | ENDIF |
---|
| 488 | |
---|
| 489 | ! Update the arrays TRA which contain the biological sources and sinks |
---|
| 490 | ! This only concerns the variables which are affected by DVM (inorganic |
---|
| 491 | ! nutrients, DOC agands, and particulate organic carbon). |
---|
| 492 | ! --------------------------------------------------------------------- |
---|
| 493 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1) |
---|
| 494 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) + zgrarep(ji,jj,jk) |
---|
| 495 | tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + zgraren(ji,jj,jk) |
---|
| 496 | tr(ji,jj,jk,jpdoc,Krhs) = tr(ji,jj,jk,jpdoc,Krhs) + zgradoc(ji,jj,jk) |
---|
| 497 | ! |
---|
| 498 | IF( ln_ligand ) & |
---|
| 499 | & tr(ji,jj,jk,jplgw,Krhs) = tr(ji,jj,jk,jplgw,Krhs) + zgradoc(ji,jj,jk) * ldocz |
---|
| 500 | ! |
---|
| 501 | tr(ji,jj,jk,jpdon,Krhs) = tr(ji,jj,jk,jpdon,Krhs) + zgradon(ji,jj,jk) |
---|
| 502 | tr(ji,jj,jk,jpdop,Krhs) = tr(ji,jj,jk,jpdop,Krhs) + zgradop(ji,jj,jk) |
---|
| 503 | tr(ji,jj,jk,jpoxy,Krhs) = tr(ji,jj,jk,jpoxy,Krhs) - o2ut * zgrarem(ji,jj,jk) |
---|
| 504 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) + zgraref(ji,jj,jk) |
---|
| 505 | zfezoo2(ji,jj,jk) = zgraref(ji,jj,jk) |
---|
| 506 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) + zgrarem(ji,jj,jk) |
---|
| 507 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + rno3 * zgraren(ji,jj,jk) |
---|
| 508 | tr(ji,jj,jk,jpgoc,Krhs) = tr(ji,jj,jk,jpgoc,Krhs) + zgrapoc(ji,jj,jk) |
---|
| 509 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zgrapoc(ji,jj,jk) |
---|
| 510 | tr(ji,jj,jk,jpgon,Krhs) = tr(ji,jj,jk,jpgon,Krhs) + zgrapon(ji,jj,jk) |
---|
| 511 | tr(ji,jj,jk,jpgop,Krhs) = tr(ji,jj,jk,jpgop,Krhs) + zgrapop(ji,jj,jk) |
---|
| 512 | tr(ji,jj,jk,jpbfe,Krhs) = tr(ji,jj,jk,jpbfe,Krhs) + zgrapof(ji,jj,jk) |
---|
| 513 | END_3D |
---|
[7162] | 514 | ! |
---|
[12377] | 515 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
---|
[15459] | 516 | CALL iom_put( "PCAL" , prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ) ! Calcite production |
---|
| 517 | CALL iom_put( "GRAZ2" , zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ) ! Total grazing of phyto by zoo |
---|
| 518 | CALL iom_put( "FEZOO2", zfezoo2(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ) |
---|
| 519 | IF( ln_ligand ) & |
---|
| 520 | & CALL iom_put( "LPRODZ2", zgradoc(:,:,:) * ldocz * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ) |
---|
[7162] | 521 | ENDIF |
---|
| 522 | ! |
---|
[12377] | 523 | IF(sn_cfctl%l_prttrc) THEN ! print mean trends (used for debugging) |
---|
[7162] | 524 | WRITE(charout, FMT="('meso')") |
---|
[13286] | 525 | CALL prt_ctl_info( charout, cdcomp = 'top' ) |
---|
| 526 | CALL prt_ctl(tab4d_1=tr(:,:,:,:,Krhs), mask1=tmask, clinfo=ctrcnm) |
---|
[7162] | 527 | ENDIF |
---|
| 528 | ! |
---|
[9124] | 529 | IF( ln_timing ) CALL timing_stop('p5z_meso') |
---|
[7162] | 530 | ! |
---|
| 531 | END SUBROUTINE p5z_meso |
---|
| 532 | |
---|
[9124] | 533 | |
---|
[7162] | 534 | SUBROUTINE p5z_meso_init |
---|
| 535 | !!---------------------------------------------------------------------- |
---|
| 536 | !! *** ROUTINE p5z_meso_init *** |
---|
| 537 | !! |
---|
| 538 | !! ** Purpose : Initialization of mesozooplankton parameters |
---|
| 539 | !! |
---|
[15459] | 540 | !! ** Method : Read the namp5zmes namelist and check the parameters |
---|
[7162] | 541 | !! called at the first timestep (nittrc000) |
---|
| 542 | !! |
---|
[15459] | 543 | !! ** input : Namelist namp5zmes |
---|
[7162] | 544 | !! |
---|
| 545 | !!---------------------------------------------------------------------- |
---|
[15459] | 546 | INTEGER :: ios ! Local integer output status for namelist read |
---|
[9124] | 547 | !! |
---|
[10362] | 548 | NAMELIST/namp5zmes/part2, bmetexc2, grazrat2, resrat2, mzrat2, xpref2c, xpref2n, xpref2z, & |
---|
[7162] | 549 | & xpref2m, xpref2d, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
---|
[10362] | 550 | & xthresh2mes, xthresh2, xkgraz2, epsher2, epsher2min, ssigma2, unass2c, & |
---|
[15459] | 551 | & unass2n, unass2p, srespir2, xsigma2, xsigma2del, grazflux, ln_dvm_meso, xfracmig |
---|
[9124] | 552 | !!---------------------------------------------------------------------- |
---|
| 553 | ! |
---|
[7162] | 554 | READ ( numnatp_ref, namp5zmes, IOSTAT = ios, ERR = 901) |
---|
[15459] | 555 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp5zmes in reference namelist' ) |
---|
[9124] | 556 | ! |
---|
[7162] | 557 | READ ( numnatp_cfg, namp5zmes, IOSTAT = ios, ERR = 902 ) |
---|
[15459] | 558 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp5zmes in configuration namelist' ) |
---|
[7162] | 559 | IF(lwm) WRITE ( numonp, namp5zmes ) |
---|
[9124] | 560 | ! |
---|
[7162] | 561 | IF(lwp) THEN ! control print |
---|
| 562 | WRITE(numout,*) ' ' |
---|
| 563 | WRITE(numout,*) ' Namelist parameters for mesozooplankton, namp5zmes' |
---|
| 564 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
| 565 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 = ', part2 |
---|
[10362] | 566 | WRITE(numout,*) ' mesozoo preference for nano. xpref2n = ', xpref2n |
---|
[7162] | 567 | WRITE(numout,*) ' mesozoo preference for diatoms xpref2d = ', xpref2d |
---|
| 568 | WRITE(numout,*) ' mesozoo preference for zoo xpref2z = ', xpref2z |
---|
| 569 | WRITE(numout,*) ' mesozoo preference for mesozoo xpref2m = ', xpref2m |
---|
| 570 | WRITE(numout,*) ' mesozoo preference for poc xpref2c = ', xpref2c |
---|
| 571 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo = ', xthresh2zoo |
---|
| 572 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia = ', xthresh2dia |
---|
| 573 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy = ', xthresh2phy |
---|
| 574 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc = ', xthresh2poc |
---|
| 575 | WRITE(numout,*) ' mesozoo feeding threshold for mesozoo xthresh2mes = ', xthresh2mes |
---|
| 576 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 = ', xthresh2 |
---|
| 577 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 = ', resrat2 |
---|
| 578 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 = ', mzrat2 |
---|
| 579 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 = ', grazrat2 |
---|
| 580 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux = ', grazflux |
---|
| 581 | WRITE(numout,*) ' C egested fraction of food by mesozoo unass2c = ', unass2c |
---|
[10362] | 582 | WRITE(numout,*) ' N egested fraction of food by mesozoo unass2n = ', unass2n |
---|
| 583 | WRITE(numout,*) ' P egested fraction of food by mesozoo unass2p = ', unass2p |
---|
[7162] | 584 | WRITE(numout,*) ' Efficicency of Mesozoo growth epsher2 = ', epsher2 |
---|
[10362] | 585 | WRITE(numout,*) ' Minimum Efficiency of Mesozoo growth epsher2min =', epsher2min |
---|
[7162] | 586 | WRITE(numout,*) ' Fraction excreted as semi-labile DOM ssigma2 = ', ssigma2 |
---|
| 587 | WRITE(numout,*) ' Active respiration srespir2 = ', srespir2 |
---|
| 588 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 = ', xkgraz2 |
---|
| 589 | WRITE(numout,*) ' Use excess carbon for respiration bmetexc2 = ', bmetexc2 |
---|
[15459] | 590 | WRITE(numout,*) ' Width of the grazing window xsigma2 =', xsigma2 |
---|
| 591 | WRITE(numout,*) ' Maximum additional width of the grazing window xsigma2del =', xsigma2del |
---|
| 592 | WRITE(numout,*) ' Diurnal vertical migration of mesozoo. ln_dvm_meso =', ln_dvm_meso |
---|
| 593 | WRITE(numout,*) ' Fractional biomass of meso that performs DVM xfracmig =', xfracmig |
---|
[7162] | 594 | ENDIF |
---|
[9124] | 595 | ! |
---|
[7162] | 596 | END SUBROUTINE p5z_meso_init |
---|
| 597 | |
---|
[15459] | 598 | SUBROUTINE p5z_meso_depmig( Kbb, Kmm ) |
---|
| 599 | !!---------------------------------------------------------------------- |
---|
| 600 | !! *** ROUTINE p4z_meso_depmig *** |
---|
| 601 | !! |
---|
| 602 | !! ** Purpose : Computation the migration depth of mesozooplankton |
---|
| 603 | !! |
---|
| 604 | !! ** Method : Computes the DVM depth of mesozooplankton from oxygen |
---|
| 605 | !! temperature and chlorophylle following the parameterization |
---|
| 606 | !! proposed by Bianchi et al. (2013) |
---|
| 607 | !!---------------------------------------------------------------------- |
---|
| 608 | INTEGER, INTENT(in) :: Kbb, kmm ! time level indices |
---|
| 609 | ! |
---|
| 610 | INTEGER :: ji, jj, jk |
---|
| 611 | ! |
---|
| 612 | REAL(wp) :: ztotchl, z1dep |
---|
| 613 | REAL(wp), DIMENSION(jpi,jpj) :: oxymoy, tempmoy, zdepmoy |
---|
| 614 | |
---|
| 615 | !!--------------------------------------------------------------------- |
---|
| 616 | ! |
---|
[15482] | 617 | IF( ln_timing ) CALL timing_start('p5z_meso_depmig') |
---|
[15459] | 618 | ! |
---|
| 619 | oxymoy(:,:) = 0. |
---|
| 620 | tempmoy(:,:) = 0. |
---|
| 621 | zdepmoy(:,:) = 0. |
---|
| 622 | depmig (:,:) = 5. |
---|
| 623 | kmig (:,:) = 1 |
---|
| 624 | ! |
---|
| 625 | |
---|
| 626 | ! Compute the averaged values of oxygen, temperature over the domain |
---|
| 627 | ! 150m to 500 m depth. |
---|
| 628 | ! ------------------------------------------------------------------ |
---|
| 629 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpk ) |
---|
| 630 | IF( tmask(ji,jj,jk) == 1.) THEN |
---|
| 631 | IF( gdept(ji,jj,jk,Kmm) >= 150. .AND. gdept(ji,jj,jk,kmm) <= 500.) THEN |
---|
| 632 | oxymoy(ji,jj) = oxymoy(ji,jj) + tr(ji,jj,jk,jpoxy,Kbb) * 1E6 * e3t(ji,jj,jk,Kmm) |
---|
| 633 | tempmoy(ji,jj) = tempmoy(ji,jj) + ts(ji,jj,jk,jp_tem,kmm) * e3t(ji,jj,jk,kmm) |
---|
| 634 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + e3t(ji,jj,jk,Kmm) |
---|
| 635 | ENDIF |
---|
| 636 | ENDIF |
---|
| 637 | END_3D |
---|
| 638 | |
---|
| 639 | ! Compute the difference between surface values and the mean values in the mesopelagic |
---|
| 640 | ! domain |
---|
| 641 | ! ------------------------------------------------------------------------------------ |
---|
| 642 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
---|
| 643 | z1dep = 1. / ( zdepmoy(ji,jj) + rtrn ) |
---|
| 644 | oxymoy(ji,jj) = tr(ji,jj,1,jpoxy,Kbb) * 1E6 - oxymoy(ji,jj) * z1dep |
---|
| 645 | tempmoy(ji,jj) = ts(ji,jj,1,jp_tem,Kmm) - tempmoy(ji,jj) * z1dep |
---|
| 646 | END_2D |
---|
| 647 | ! |
---|
| 648 | ! Computation of the migration depth based on the parameterization of |
---|
| 649 | ! Bianchi et al. (2013) |
---|
| 650 | ! ------------------------------------------------------------------- |
---|
| 651 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
---|
| 652 | IF( tmask(ji,jj,1) == 1. ) THEN |
---|
| 653 | ztotchl = ( tr(ji,jj,1,jppch,Kbb) + tr(ji,jj,1,jpnch,Kbb) + tr(ji,jj,1,jpdch,Kbb) ) * 1E6 |
---|
| 654 | depmig(ji,jj) = 398. - 0.56 * oxymoy(ji,jj) -115. * log10(ztotchl) + 0.36 * hmld(ji,jj) -2.4 * tempmoy(ji,jj) |
---|
| 655 | ENDIF |
---|
| 656 | END_2D |
---|
| 657 | |
---|
| 658 | ! Computation of the corresponding jk indice |
---|
| 659 | ! ------------------------------------------ |
---|
| 660 | DO_3D( nn_hls, nn_hls, nn_hls, nn_hls, 1, jpkm1 ) |
---|
| 661 | IF( depmig(ji,jj) >= gdepw(ji,jj,jk,Kmm) .AND. depmig(ji,jj) < gdepw(ji,jj,jk+1,Kmm) ) THEN |
---|
| 662 | kmig(ji,jj) = jk |
---|
| 663 | ENDIF |
---|
| 664 | END_3D |
---|
| 665 | ! |
---|
| 666 | ! Correction of the migration depth and indice based on O2 levels |
---|
| 667 | ! If O2 is too low, imposing a migration depth at this low O2 levels |
---|
| 668 | ! would lead to negative O2 concentrations (respiration while O2 is close |
---|
| 669 | ! to 0. Thus, to avoid that problem, the migration depth is adjusted so |
---|
| 670 | ! that it falls above the OMZ |
---|
| 671 | ! ----------------------------------------------------------------------- |
---|
| 672 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
---|
| 673 | IF( tr(ji,jj,kmig(ji,jj),jpoxy,Kbb) < 5E-6 ) THEN |
---|
| 674 | DO jk = kmig(ji,jj),1,-1 |
---|
| 675 | IF( tr(ji,jj,jk,jpoxy,Kbb) >= 5E-6 .AND. tr(ji,jj,jk+1,jpoxy,Kbb) < 5E-6) THEN |
---|
| 676 | kmig(ji,jj) = jk |
---|
| 677 | depmig(ji,jj) = gdept(ji,jj,jk,Kmm) |
---|
| 678 | ENDIF |
---|
| 679 | END DO |
---|
| 680 | ENDIF |
---|
| 681 | END_2D |
---|
| 682 | ! |
---|
| 683 | IF( ln_timing ) CALL timing_stop('p5z_meso_depmig') |
---|
| 684 | ! |
---|
| 685 | END SUBROUTINE p5z_meso_depmig |
---|
| 686 | |
---|
| 687 | INTEGER FUNCTION p5z_meso_alloc() |
---|
| 688 | !!---------------------------------------------------------------------- |
---|
| 689 | !! *** ROUTINE p5z_meso_alloc *** |
---|
| 690 | !!---------------------------------------------------------------------- |
---|
| 691 | ! |
---|
| 692 | ALLOCATE( depmig(jpi,jpj), kmig(jpi,jpj), STAT= p5z_meso_alloc ) |
---|
| 693 | ! |
---|
| 694 | IF( p5z_meso_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p5z_meso_alloc : failed to allocate arrays.' ) |
---|
| 695 | ! |
---|
| 696 | END FUNCTION p5z_meso_alloc |
---|
| 697 | |
---|
[7162] | 698 | !!====================================================================== |
---|
[9788] | 699 | END MODULE p5zmeso |
---|