[7162] | 1 | MODULE p5zmeso |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p5zmeso *** |
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[12537] | 4 | !! TOP : PISCES-QUOTA Compute the sources/sinks for mesozooplankton |
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[7162] | 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2002 (O. Aumont) Original code |
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| 7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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| 8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Quota model for iron |
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| 9 | !! 3.6 ! 2015-05 (O. Aumont) PISCES quota |
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| 10 | !!---------------------------------------------------------------------- |
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[12537] | 11 | !! p5z_meso : Compute the sources/sinks for mesozooplankton |
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| 12 | !! p5z_meso_init : Initialization of the parameters for mesozooplankton |
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| 13 | !! p5z_meso_alloc : Allocate variables for mesozooplankton |
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[7162] | 14 | !!---------------------------------------------------------------------- |
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| 15 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 16 | USE trc ! passive tracers common variables |
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| 17 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 18 | USE prtctl_trc ! print control for debugging |
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| 19 | USE iom ! I/O manager |
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| 20 | |
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| 21 | IMPLICIT NONE |
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| 22 | PRIVATE |
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| 23 | |
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| 24 | PUBLIC p5z_meso ! called in p5zbio.F90 |
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| 25 | PUBLIC p5z_meso_init ! called in trcsms_pisces.F90 |
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[12537] | 26 | PUBLIC p5z_meso_alloc ! called in trcini_pisces.F90 |
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[7162] | 27 | |
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| 28 | !! * Shared module variables |
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| 29 | REAL(wp), PUBLIC :: part2 !: part of calcite not dissolved in mesozoo guts |
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| 30 | REAL(wp), PUBLIC :: xpref2c !: mesozoo preference for POC |
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[10362] | 31 | REAL(wp), PUBLIC :: xpref2n !: mesozoo preference for nanophyto |
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[7162] | 32 | REAL(wp), PUBLIC :: xpref2z !: mesozoo preference for zooplankton |
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| 33 | REAL(wp), PUBLIC :: xpref2d !: mesozoo preference for Diatoms |
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| 34 | REAL(wp), PUBLIC :: xpref2m !: mesozoo preference for mesozoo |
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| 35 | REAL(wp), PUBLIC :: xthresh2zoo !: zoo feeding threshold for mesozooplankton |
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| 36 | REAL(wp), PUBLIC :: xthresh2dia !: diatoms feeding threshold for mesozooplankton |
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| 37 | REAL(wp), PUBLIC :: xthresh2phy !: nanophyto feeding threshold for mesozooplankton |
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| 38 | REAL(wp), PUBLIC :: xthresh2poc !: poc feeding threshold for mesozooplankton |
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| 39 | REAL(wp), PUBLIC :: xthresh2mes !: mesozoo feeding threshold for mesozooplankton |
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| 40 | REAL(wp), PUBLIC :: xthresh2 !: feeding threshold for mesozooplankton |
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| 41 | REAL(wp), PUBLIC :: resrat2 !: exsudation rate of mesozooplankton |
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| 42 | REAL(wp), PUBLIC :: mzrat2 !: microzooplankton mortality rate |
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| 43 | REAL(wp), PUBLIC :: grazrat2 !: maximal mesozoo grazing rate |
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[10362] | 44 | REAL(wp), PUBLIC :: xkgraz2 !: Half-saturation constant of assimilation |
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| 45 | REAL(wp), PUBLIC :: unass2c !: Non-assimilated fraction of food |
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| 46 | REAL(wp), PUBLIC :: unass2n !: Non-assimilated fraction of food |
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| 47 | REAL(wp), PUBLIC :: unass2p !: Non-assimilated fraction of food |
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| 48 | REAL(wp), PUBLIC :: epsher2 !: Growth efficiency of mesozoo |
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| 49 | REAL(wp), PUBLIC :: epsher2min !: Minimum growth efficiency of mesozoo |
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[7162] | 50 | REAL(wp), PUBLIC :: ssigma2 !: Fraction excreted as semi-labile DOM |
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| 51 | REAL(wp), PUBLIC :: srespir2 !: Active respiration |
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| 52 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
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[12524] | 53 | REAL(wp), PUBLIC :: xfracmig !: Fractional biomass of meso that performs DVM |
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[7162] | 54 | LOGICAL, PUBLIC :: bmetexc2 !: Use of excess carbon for respiration |
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[12524] | 55 | LOGICAL , PUBLIC :: ln_dvm_meso !: Boolean to activate DVM of mesozooplankton |
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[12537] | 56 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: depmig !: DVM of mesozooplankton : migration depth |
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| 57 | INTEGER , ALLOCATABLE, SAVE, DIMENSION(:,:) :: kmig !: Vertical indice of the the migration depth |
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[7162] | 58 | |
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| 59 | !!---------------------------------------------------------------------- |
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[10067] | 60 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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[10068] | 61 | !! $Id$ |
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| 62 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[7162] | 63 | !!---------------------------------------------------------------------- |
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| 64 | |
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| 65 | CONTAINS |
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| 66 | |
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| 67 | SUBROUTINE p5z_meso( kt, knt ) |
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| 68 | !!--------------------------------------------------------------------- |
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| 69 | !! *** ROUTINE p5z_meso *** |
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| 70 | !! |
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| 71 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
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[12537] | 72 | !! This includes ingestion and assimilation, flux feeding |
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| 73 | !! and mortality. We use an active prey switching |
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| 74 | !! parameterization Morozov and Petrovskii (2013). |
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| 75 | !! All living compartments and mesozooplankton |
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| 76 | !! are potential preys of mesozooplankton as well as small |
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| 77 | !! sinking particles |
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[7162] | 78 | !! |
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| 79 | !!--------------------------------------------------------------------- |
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| 80 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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[12537] | 81 | ! |
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[12524] | 82 | INTEGER :: ji, jj, jk, jkt |
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[7162] | 83 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam, zcompames |
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| 84 | REAL(wp) :: zgraze2, zdenom, zfact, zfood, zfoodlim, zproport |
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| 85 | REAL(wp) :: zmortzgoc, zfracc, zfracn, zfracp, zfracfe, zratio, zratio2 |
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[12349] | 86 | REAL(wp) :: zepsherf, zepshert, zepsherq, zepsherv, zrespirc, zrespirn, zrespirp, zbasresb, zbasresi |
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[7162] | 87 | REAL(wp) :: zgraztotc, zgraztotn, zgraztotp, zgraztotf, zbasresn, zbasresp, zbasresf |
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[12524] | 88 | REAL(wp) :: zgratmp, zgradoct, zgradont, zgrareft, zgradopt |
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| 89 | REAL(wp) :: zprcaca, zmortz, zexcess |
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[7162] | 90 | REAL(wp) :: zbeta, zrespz, ztortz, zgrasratp, zgrasratn, zgrasratf |
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| 91 | REAL(wp) :: ztmp1, ztmp2, ztmp3, ztmp4, ztmp5, ztmptot |
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| 92 | REAL(wp) :: zgrazdc, zgrazz, zgrazm, zgrazpof, zgrazcal, zfracal |
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| 93 | REAL(wp) :: zgraznc, zgrazpoc, zgrazpon, zgrazpop, zgraznf, zgrazdf |
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| 94 | REAL(wp) :: zgraznp, zgraznn, zgrazdn, zgrazdp |
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| 95 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
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| 96 | REAL(wp) :: zgrazffnp, zgrazffng, zgrazffpp, zgrazffpg |
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[12524] | 97 | REAL(wp) :: zmigreltime, zrum, zcodel, zargu, zval |
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[7162] | 98 | CHARACTER (len=25) :: charout |
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[12349] | 99 | REAL(wp) :: zrfact2, zmetexcess, zsigma, zdiffdn |
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[10362] | 100 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing, zfezoo2 |
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[12524] | 101 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrarem, zgraref, zgrapoc, zgrapof |
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| 102 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrarep, zgraren, zgrapon, zgrapop |
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| 103 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgradoc, zgradon, zgradop |
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| 104 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigrem, zgramigref, zgramigpoc, zgramigpof, zstrn |
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| 105 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigrep, zgramigren, zgramigpop, zgramigpon |
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| 106 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigdoc, zgramigdop, zgramigdon |
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| 107 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zw3d, zz2ligprod |
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[7162] | 108 | |
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| 109 | !!--------------------------------------------------------------------- |
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| 110 | ! |
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[9124] | 111 | IF( ln_timing ) CALL timing_start('p5z_meso') |
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[7162] | 112 | ! |
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[12538] | 113 | ! Initialization of local arrays |
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| 114 | zgrazing(:,:,:) = 0._wp ; zfezoo2(:,:,:) = 0._wp |
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| 115 | zgrarem (:,:,:) = 0._wp ; zgraren(:,:,:) = 0._wp |
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| 116 | zgrarep (:,:,:) = 0._wp ; zgraref(:,:,:) = 0._wp |
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| 117 | zgrapoc (:,:,:) = 0._wp ; zgrapon(:,:,:) = 0._wp |
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| 118 | zgrapop (:,:,:) = 0._wp ; zgrapof(:,:,:) = 0._wp |
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| 119 | zgradoc (:,:,:) = 0._wp ; zgradon(:,:,:) = 0._wp |
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| 120 | zgradop (:,:,:) = 0._wp |
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[10362] | 121 | ! |
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| 122 | IF (ln_ligand) THEN |
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| 123 | ALLOCATE( zz2ligprod(jpi,jpj,jpk) ) |
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| 124 | zz2ligprod(:,:,:) = 0._wp |
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| 125 | ENDIF |
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[7162] | 126 | |
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[12524] | 127 | ! |
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| 128 | ! Diurnal vertical migration of mesozooplankton |
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[12537] | 129 | ! Computation of the migration depth |
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[12524] | 130 | ! --------------------------------------------- |
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| 131 | IF (ln_dvm_meso) CALL p5z_meso_depmig |
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| 132 | |
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[12537] | 133 | ! Use of excess carbon for metabolism |
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[7162] | 134 | zmetexcess = 0.0 |
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| 135 | IF ( bmetexc2 ) zmetexcess = 1.0 |
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| 136 | |
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| 137 | DO jk = 1, jpkm1 |
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| 138 | DO jj = 1, jpj |
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| 139 | DO ji = 1, jpi |
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| 140 | zcompam = MAX( ( trb(ji,jj,jk,jpmes) - 1.e-9 ), 0.e0 ) |
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| 141 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
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| 142 | |
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[12537] | 143 | ! linear mortality of mesozooplankton |
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| 144 | ! A michaelis menten modulation term is used to avoid extinction of |
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| 145 | ! mesozooplankton at very low food concentrations |
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| 146 | ! ----------------------------------------------------------------- |
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[7162] | 147 | zrespz = resrat2 * zfact * ( trb(ji,jj,jk,jpmes) / ( xkmort + trb(ji,jj,jk,jpmes) ) & |
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| 148 | & + 3. * nitrfac(ji,jj,jk) ) |
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| 149 | |
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[12537] | 150 | ! Zooplankton quadratic mortality. A square function has been selected with |
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| 151 | ! to mimic predation and disease (density dependent mortality). It also tends |
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| 152 | ! to stabilise the model |
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| 153 | ! ------------------------------------------------------------------------- |
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[10362] | 154 | ztortz = mzrat2 * 1.e6 * zfact * trb(ji,jj,jk,jpmes) * (1. - nitrfac(ji,jj,jk)) |
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[7162] | 155 | |
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| 156 | ! Computation of the abundance of the preys |
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| 157 | ! A threshold can be specified in the namelist |
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| 158 | ! -------------------------------------------- |
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| 159 | zcompadi = MAX( ( trb(ji,jj,jk,jpdia) - xthresh2dia ), 0.e0 ) |
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| 160 | zcompaz = MAX( ( trb(ji,jj,jk,jpzoo) - xthresh2zoo ), 0.e0 ) |
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| 161 | zcompaph = MAX( ( trb(ji,jj,jk,jpphy) - xthresh2phy ), 0.e0 ) |
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| 162 | zcompapoc = MAX( ( trb(ji,jj,jk,jppoc) - xthresh2poc ), 0.e0 ) |
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| 163 | zcompames = MAX( ( trb(ji,jj,jk,jpmes) - xthresh2mes ), 0.e0 ) |
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| 164 | |
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| 165 | ! Mesozooplankton grazing |
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[12537] | 166 | ! The total amount of food is the sum of all preys accessible to mesozooplankton |
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| 167 | ! multiplied by their food preference |
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| 168 | ! A threshold can be specified in the namelist (xthresh2). However, when food |
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| 169 | ! concentration is close to this threshold, it is decreased to avoid the |
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| 170 | ! accumulation of food in the mesozoopelagic domain |
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| 171 | ! ------------------------------------------------------------------------------- |
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[10362] | 172 | zfood = xpref2d * zcompadi + xpref2z * zcompaz + xpref2n * zcompaph + xpref2c * zcompapoc & |
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[7162] | 173 | & + xpref2m * zcompames |
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| 174 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
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| 175 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
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[10362] | 176 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpmes) * (1. - nitrfac(ji,jj,jk)) |
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[7162] | 177 | |
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[12537] | 178 | ! An active switching parameterization is used here. |
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| 179 | ! We don't use the KTW parameterization proposed by |
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| 180 | ! Vallina et al. because it tends to produce too steady biomass |
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| 181 | ! composition and the variance of Chl is too low as it grazes |
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| 182 | ! too strongly on winning organisms. We use a generalized |
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| 183 | ! switching parameterization proposed by Morozov and |
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| 184 | ! Petrovskii (2013) |
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| 185 | ! ------------------------------------------------------------ |
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| 186 | ! The width of the selection window is increased when preys |
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| 187 | ! have low abundance, .i.e. zooplankton become less specific |
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| 188 | ! to avoid starvation. |
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| 189 | ! ---------------------------------------------------------- |
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[12349] | 190 | zsigma = 1.0 - zdenom**2/(0.05**2+zdenom**2) |
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| 191 | zsigma = 0.5 + 1.0 * zsigma |
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[12537] | 192 | ! Nanophytoplankton and diatoms are the only preys considered |
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| 193 | ! to be close enough to have potential interference |
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| 194 | ! ----------------------------------------------------------- |
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[12349] | 195 | zdiffdn = exp( -ABS(log(3.0 * sizen(ji,jj,jk) / (5.0 * sized(ji,jj,jk) + rtrn )) )**2 / zsigma**2 ) |
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[12759] | 196 | ztmp1 = xpref2n * zcompaph * ( zcompaph + zdiffdn * zcompadi ) / (1.0 + zdiffdn) |
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[12349] | 197 | ztmp2 = xpref2m * zcompames**2 |
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| 198 | ztmp3 = xpref2c * zcompapoc**2 |
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[12759] | 199 | ztmp4 = xpref2d * zcompadi * ( zdiffdn * zcompadi + zcompaph ) / (1.0 + zdiffdn) |
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[12349] | 200 | ztmp5 = xpref2z * zcompaz**2 |
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[7162] | 201 | ztmptot = ztmp1 + ztmp2 + ztmp3 + ztmp4 + ztmp5 + rtrn |
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| 202 | ztmp1 = ztmp1 / ztmptot |
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| 203 | ztmp2 = ztmp2 / ztmptot |
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| 204 | ztmp3 = ztmp3 / ztmptot |
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| 205 | ztmp4 = ztmp4 / ztmptot |
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| 206 | ztmp5 = ztmp5 / ztmptot |
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| 207 | |
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| 208 | ! Mesozooplankton regular grazing on the different preys |
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| 209 | ! ------------------------------------------------------ |
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| 210 | zgrazdc = zgraze2 * ztmp4 * zdenom |
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| 211 | zgrazdn = zgrazdc * trb(ji,jj,jk,jpndi) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 212 | zgrazdp = zgrazdc * trb(ji,jj,jk,jppdi) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 213 | zgrazdf = zgrazdc * trb(ji,jj,jk,jpdfe) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 214 | zgrazz = zgraze2 * ztmp5 * zdenom |
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| 215 | zgrazm = zgraze2 * ztmp2 * zdenom |
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| 216 | zgraznc = zgraze2 * ztmp1 * zdenom |
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| 217 | zgraznn = zgraznc * trb(ji,jj,jk,jpnph) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 218 | zgraznp = zgraznc * trb(ji,jj,jk,jppph) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 219 | zgraznf = zgraznc * trb(ji,jj,jk,jpnfe) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 220 | zgrazpoc = zgraze2 * ztmp3 * zdenom |
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| 221 | zgrazpon = zgrazpoc * trb(ji,jj,jk,jppon) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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| 222 | zgrazpop = zgrazpoc * trb(ji,jj,jk,jppop) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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| 223 | zgrazpof = zgrazpoc * trb(ji,jj,jk,jpsfe) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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| 224 | |
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[12537] | 225 | ! Mesozooplankton flux feeding on GOC and POC. The feeding pressure |
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| 226 | ! is proportional to the flux |
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| 227 | ! ------------------------------------------------------------------ |
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[7162] | 228 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
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[10362] | 229 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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| 230 | & * (1. - nitrfac(ji,jj,jk)) |
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[7162] | 231 | zgrazfffg = zgrazffeg * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 232 | zgrazffng = zgrazffeg * trb(ji,jj,jk,jpgon) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 233 | zgrazffpg = zgrazffeg * trb(ji,jj,jk,jpgop) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 234 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
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[10362] | 235 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpmes) & |
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| 236 | & * (1. - nitrfac(ji,jj,jk)) |
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[7162] | 237 | zgrazfffp = zgrazffep * trb(ji,jj,jk,jpsfe) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 238 | zgrazffnp = zgrazffep * trb(ji,jj,jk,jppon) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 239 | zgrazffpp = zgrazffep * trb(ji,jj,jk,jppop) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 240 | ! |
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| 241 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
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| 242 | |
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[12537] | 243 | ! Compute the proportion of filter feeders. It is assumed steady state. |
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| 244 | ! --------------------------------------------------------------------- |
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[7162] | 245 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztotc) |
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| 246 | |
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| 247 | ! Compute fractionation of aggregates. It is assumed that |
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| 248 | ! diatoms based aggregates are more prone to fractionation |
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| 249 | ! since they are more porous (marine snow instead of fecal pellets) |
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| 250 | ! ---------------------------------------------------------------- |
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| 251 | zratio = trb(ji,jj,jk,jpgsi) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
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| 252 | zratio2 = zratio * zratio |
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| 253 | zfracc = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
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| 254 | & * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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| 255 | & * ( 0.2 + 3.8 * zratio2 / ( 1.**2 + zratio2 ) ) |
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| 256 | zfracfe = zfracc * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 257 | zfracn = zfracc * trb(ji,jj,jk,jpgon) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 258 | zfracp = zfracc * trb(ji,jj,jk,jpgop) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 259 | |
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[12537] | 260 | ! Flux feeding is multiplied by the fractional biomass of flux feeders |
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[7162] | 261 | zgrazffep = zproport * zgrazffep ; zgrazffeg = zproport * zgrazffeg |
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| 262 | zgrazfffp = zproport * zgrazfffp ; zgrazfffg = zproport * zgrazfffg |
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| 263 | zgrazffnp = zproport * zgrazffnp ; zgrazffng = zproport * zgrazffng |
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| 264 | zgrazffpp = zproport * zgrazffpp ; zgrazffpg = zproport * zgrazffpg |
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| 265 | |
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| 266 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
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| 267 | zgraztotf = zgrazdf + zgraznf + ( zgrazz + zgrazm ) * ferat3 + zgrazpof & |
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| 268 | & + zgrazfffp + zgrazfffg |
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| 269 | zgraztotn = zgrazdn + (zgrazm + zgrazz) * no3rat3 + zgraznn + zgrazpon & |
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| 270 | & + zgrazffnp + zgrazffng |
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| 271 | zgraztotp = zgrazdp + (zgrazz + zgrazm) * po4rat3 + zgraznp + zgrazpop & |
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| 272 | & + zgrazffpp + zgrazffpg |
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| 273 | |
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| 274 | ! Total grazing ( grazing by microzoo is already computed in p5zmicro ) |
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| 275 | zgrazing(ji,jj,jk) = zgraztotc |
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| 276 | |
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| 277 | ! Stoichiometruc ratios of the food ingested by zooplanton |
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| 278 | ! -------------------------------------------------------- |
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| 279 | zgrasratf = (zgraztotf + rtrn) / ( zgraztotc + rtrn ) |
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| 280 | zgrasratn = (zgraztotn + rtrn) / ( zgraztotc + rtrn ) |
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| 281 | zgrasratp = (zgraztotp + rtrn) / ( zgraztotc + rtrn ) |
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| 282 | |
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[12537] | 283 | ! Mesozooplankton efficiency. |
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| 284 | ! We adopt a formulation proposed by Mitra et al. (2007) |
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| 285 | ! The gross growth efficiency is controled by the most limiting nutrient. |
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| 286 | ! Growth is also further decreased when the food quality is poor. This is currently |
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| 287 | ! hard coded : it can be decreased by up to 50% (zepsherq) |
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| 288 | ! GGE can also be decreased when food quantity is high, zepsherf (Montagnes and |
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| 289 | ! Fulton, 2012) |
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| 290 | ! ----------------------------------------------------------------------------------- |
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[7162] | 291 | zepshert = MIN( 1., zgrasratn/ no3rat3, zgrasratp/ po4rat3, zgrasratf / ferat3) |
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[10362] | 292 | zbeta = MAX(0., (epsher2 - epsher2min) ) |
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| 293 | zepsherf = epsher2min + zbeta / ( 1.0 + 0.04E6 * 12. * zfood * zbeta ) |
---|
[12349] | 294 | zepsherq = 0.5 + (1.0 - 0.5) * zepshert * ( 1.0 + 1.0 ) / ( zepshert + 1.0 ) |
---|
| 295 | zepsherv = zepsherf * zepshert * zepsherq |
---|
[7162] | 296 | ! Respiration of mesozooplankton |
---|
| 297 | ! Excess carbon in the food is used preferentially |
---|
[12537] | 298 | ! when bmetexc2 is set to .true. |
---|
| 299 | ! ----------------------------------------------- |
---|
[7162] | 300 | zexcess = zgraztotc * zepsherf * (1.0 - zepshert) * zmetexcess |
---|
| 301 | zbasresb = MAX(0., zrespz - zexcess) |
---|
| 302 | zbasresi = zexcess + MIN(0., zrespz - zexcess) |
---|
| 303 | zrespirc = srespir2 * zepsherv * zgraztotc + zbasresb |
---|
| 304 | |
---|
| 305 | ! When excess carbon is used, the other elements in excess |
---|
| 306 | ! are also used proportionally to their abundance |
---|
| 307 | ! -------------------------------------------------------- |
---|
| 308 | zexcess = ( zgrasratn/ no3rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
---|
| 309 | zbasresn = zbasresi * zexcess * zgrasratn |
---|
| 310 | zexcess = ( zgrasratp/ po4rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
---|
| 311 | zbasresp = zbasresi * zexcess * zgrasratp |
---|
| 312 | zexcess = ( zgrasratf/ ferat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
---|
| 313 | zbasresf = zbasresi * zexcess * zgrasratf |
---|
| 314 | |
---|
| 315 | ! Voiding of the excessive elements as organic matter |
---|
| 316 | ! -------------------------------------------------------- |
---|
| 317 | zgradoct = (1. - unass2c - zepsherv) * zgraztotc - zbasresi |
---|
| 318 | zgradont = (1. - unass2n) * zgraztotn - zepsherv * no3rat3 * zgraztotc - zbasresn |
---|
| 319 | zgradopt = (1. - unass2p) * zgraztotp - zepsherv * po4rat3 * zgraztotc - zbasresp |
---|
| 320 | zgrareft = (1. - unass2c) * zgraztotf - zepsherv * ferat3 * zgraztotc - zbasresf |
---|
| 321 | ztmp1 = ( 1. - epsher2 - unass2c ) /( 1. - 0.8 * epsher2 ) * ztortz |
---|
[12524] | 322 | zgradoc(ji,jj,jk) = (zgradoct + ztmp1) * ssigma2 |
---|
| 323 | zgradon(ji,jj,jk) = (zgradont + no3rat3 * ztmp1) * ssigma2 |
---|
| 324 | zgradop(ji,jj,jk) = (zgradopt + po4rat3 * ztmp1) * ssigma2 |
---|
[7162] | 325 | zgratmp = 0.2 * epsher2 /( 1. - 0.8 * epsher2 ) * ztortz |
---|
| 326 | |
---|
| 327 | ! Since only semilabile DOM is represented in PISCES |
---|
| 328 | ! part of DOM is in fact labile and is then released |
---|
| 329 | ! as dissolved inorganic compounds (ssigma2) |
---|
| 330 | ! -------------------------------------------------- |
---|
[12524] | 331 | zgrarem(ji,jj,jk) = zgratmp + ( zgradoct + ztmp1 ) * (1.0 - ssigma2) |
---|
| 332 | zgraren(ji,jj,jk) = no3rat3 * zgratmp + ( zgradont + no3rat3 * ztmp1 ) * (1.0 - ssigma2) |
---|
| 333 | zgrarep(ji,jj,jk) = po4rat3 * zgratmp + ( zgradopt + po4rat3 * ztmp1 ) * (1.0 - ssigma2) |
---|
| 334 | zgraref(ji,jj,jk) = zgrareft + ferat3 * ( ztmp1 + zgratmp ) |
---|
[7162] | 335 | |
---|
| 336 | ! Defecation as a result of non assimilated products |
---|
| 337 | ! -------------------------------------------------- |
---|
[12524] | 338 | zgrapoc(ji,jj,jk) = zgraztotc * unass2c + unass2c / ( 1. - 0.8 * epsher2 ) * ztortz |
---|
| 339 | zgrapon(ji,jj,jk) = zgraztotn * unass2n + no3rat3 * unass2n / ( 1. - 0.8 * epsher2 ) * ztortz |
---|
| 340 | zgrapop(ji,jj,jk) = zgraztotp * unass2p + po4rat3 * unass2p / ( 1. - 0.8 * epsher2 ) * ztortz |
---|
| 341 | zgrapof(ji,jj,jk) = zgraztotf * unass2c + ferat3 * unass2c / ( 1. - 0.8 * epsher2 ) * ztortz |
---|
[7162] | 342 | |
---|
| 343 | ! Addition of respiration to the release of inorganic nutrients |
---|
| 344 | ! ------------------------------------------------------------- |
---|
[12524] | 345 | zgrarem(ji,jj,jk) = zgrarem(ji,jj,jk) + zbasresi + zrespirc |
---|
| 346 | zgraren(ji,jj,jk) = zgraren(ji,jj,jk) + zbasresn + zrespirc * no3rat3 |
---|
| 347 | zgrarep(ji,jj,jk) = zgrarep(ji,jj,jk) + zbasresp + zrespirc * po4rat3 |
---|
| 348 | zgraref(ji,jj,jk) = zgraref(ji,jj,jk) + zbasresf + zrespirc * ferat3 |
---|
[7162] | 349 | |
---|
| 350 | ! Update the arrays TRA which contain the biological sources and |
---|
| 351 | ! sinks |
---|
| 352 | ! -------------------------------------------------------------- |
---|
| 353 | tra(ji,jj,jk,jpmes) = tra(ji,jj,jk,jpmes) + zepsherv * zgraztotc - zrespirc & |
---|
| 354 | & - ztortz - zgrazm |
---|
| 355 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) - zgrazdc |
---|
| 356 | tra(ji,jj,jk,jpndi) = tra(ji,jj,jk,jpndi) - zgrazdn |
---|
| 357 | tra(ji,jj,jk,jppdi) = tra(ji,jj,jk,jppdi) - zgrazdp |
---|
| 358 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) - zgrazdf |
---|
| 359 | tra(ji,jj,jk,jpzoo) = tra(ji,jj,jk,jpzoo) - zgrazz |
---|
| 360 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) - zgraznc |
---|
| 361 | tra(ji,jj,jk,jpnph) = tra(ji,jj,jk,jpnph) - zgraznn |
---|
| 362 | tra(ji,jj,jk,jppph) = tra(ji,jj,jk,jppph) - zgraznp |
---|
| 363 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) - zgraznf |
---|
| 364 | tra(ji,jj,jk,jpnch) = tra(ji,jj,jk,jpnch) - zgraznc * trb(ji,jj,jk,jpnch) / ( trb(ji,jj,jk,jpphy) + rtrn ) |
---|
| 365 | tra(ji,jj,jk,jpdch) = tra(ji,jj,jk,jpdch) - zgrazdc * trb(ji,jj,jk,jpdch) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
| 366 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) - zgrazdc * trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
| 367 | tra(ji,jj,jk,jpgsi) = tra(ji,jj,jk,jpgsi) + zgrazdc * trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
| 368 | |
---|
| 369 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zgrazpoc - zgrazffep + zfracc |
---|
[12524] | 370 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfracc |
---|
| 371 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
---|
[7162] | 372 | tra(ji,jj,jk,jppon) = tra(ji,jj,jk,jppon) - zgrazpon - zgrazffnp + zfracn |
---|
| 373 | tra(ji,jj,jk,jppop) = tra(ji,jj,jk,jppop) - zgrazpop - zgrazffpp + zfracp |
---|
[12524] | 374 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) - zgrazffeg - zfracc |
---|
| 375 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfracc |
---|
| 376 | tra(ji,jj,jk,jpgon) = tra(ji,jj,jk,jpgon) - zgrazffng - zfracn |
---|
| 377 | tra(ji,jj,jk,jpgop) = tra(ji,jj,jk,jpgop) - zgrazffpg - zfracp |
---|
[7162] | 378 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zgrazpof - zgrazfffp + zfracfe |
---|
[12524] | 379 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) - zgrazfffg - zfracfe |
---|
[7162] | 380 | zfracal = trb(ji,jj,jk,jpcal) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
---|
| 381 | zgrazcal = zgrazffeg * (1. - part2) * zfracal |
---|
[12537] | 382 | ! Calcite production |
---|
| 383 | ! Calcite remineralization due to zooplankton activity |
---|
| 384 | ! part2 of the ingested calcite is dissolving in the acidic gut |
---|
| 385 | ! ------------------------------------------------------------- |
---|
[7162] | 386 | zprcaca = xfracal(ji,jj,jk) * zgraznc |
---|
| 387 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
---|
| 388 | zprcaca = part2 * zprcaca |
---|
| 389 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrazcal - zprcaca |
---|
| 390 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + 2. * ( zgrazcal - zprcaca ) |
---|
| 391 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal) - zgrazcal + zprcaca |
---|
| 392 | END DO |
---|
| 393 | END DO |
---|
| 394 | END DO |
---|
[12524] | 395 | |
---|
[12537] | 396 | ! Computation of the effect of DVM by mesozooplankton |
---|
| 397 | ! This part is only activated if ln_dvm_meso is set to true |
---|
| 398 | ! The parameterization has been published in Gorgues et al. (2019). |
---|
| 399 | ! ----------------------------------------------------------------- |
---|
[12524] | 400 | IF (ln_dvm_meso) THEN |
---|
| 401 | ALLOCATE( zgramigrem(jpi,jpj), zgramigref(jpi,jpj), zgramigpoc(jpi,jpj), zgramigpof(jpi,jpj) ) |
---|
| 402 | ALLOCATE( zgramigrep(jpi,jpj), zgramigren(jpi,jpj), zgramigpop(jpi,jpj), zgramigpon(jpi,jpj) ) |
---|
| 403 | ALLOCATE( zgramigdoc(jpi,jpj), zgramigdon(jpi,jpj), zgramigdop(jpi,jpj) ) |
---|
| 404 | ALLOCATE( zstrn(jpi,jpj) ) |
---|
| 405 | zgramigrem(:,:) = 0.0 ; zgramigref(:,:) = 0.0 |
---|
| 406 | zgramigrep(:,:) = 0.0 ; zgramigren(:,:) = 0.0 |
---|
| 407 | zgramigpoc(:,:) = 0.0 ; zgramigpof(:,:) = 0.0 |
---|
| 408 | zgramigpop(:,:) = 0.0 ; zgramigpon(:,:) = 0.0 |
---|
| 409 | zgramigdoc(:,:) = 0.0 ; zgramigdon(:,:) = 0.0 |
---|
| 410 | zgramigdop(:,:) = 0.0 |
---|
| 411 | |
---|
| 412 | ! compute the day length depending on latitude and the day |
---|
| 413 | zrum = REAL( nday_year - 80, wp ) / REAL( nyear_len(1), wp ) |
---|
| 414 | zcodel = ASIN( SIN( zrum * rpi * 2._wp ) * SIN( rad * 23.5_wp ) ) |
---|
| 415 | |
---|
| 416 | ! day length in hours |
---|
| 417 | zstrn(:,:) = 0. |
---|
| 418 | DO jj = 1, jpj |
---|
| 419 | DO ji = 1, jpi |
---|
| 420 | zargu = TAN( zcodel ) * TAN( gphit(ji,jj) * rad ) |
---|
| 421 | zargu = MAX( -1., MIN( 1., zargu ) ) |
---|
| 422 | zstrn(ji,jj) = MAX( 0.0, 24. - 2. * ACOS( zargu ) / rad / 15. ) |
---|
| 423 | zstrn(ji,jj) = MIN(0.75, MAX( 0.25, zstrn(ji,jj) / 24.) ) |
---|
| 424 | END DO |
---|
| 425 | END DO |
---|
| 426 | |
---|
| 427 | |
---|
[12537] | 428 | ! Compute the amount of materials that will go into vertical migration |
---|
| 429 | ! This fraction is sumed over the euphotic zone and is removed from |
---|
| 430 | ! the fluxes driven by mesozooplankton in the euphotic zone. |
---|
| 431 | ! -------------------------------------------------------------------- |
---|
[12524] | 432 | DO jk = 1, jpk |
---|
| 433 | DO jj = 1, jpj |
---|
| 434 | DO ji = 1, jpi |
---|
| 435 | zmigreltime = (1. - zstrn(ji,jj)) |
---|
| 436 | IF ( gdept_n(ji,jj,jk) <= heup(ji,jj) ) THEN |
---|
| 437 | zgramigrem(ji,jj) = zgramigrem(ji,jj) + xfracmig * zgrarem(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 438 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 439 | zgramigrep(ji,jj) = zgramigrep(ji,jj) + xfracmig * zgrarep(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 440 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 441 | zgramigrep(ji,jj) = zgramigren(ji,jj) + xfracmig * zgrarep(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 442 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 443 | zgramigref(ji,jj) = zgramigref(ji,jj) + xfracmig * zgraref(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 444 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 445 | zgramigpoc(ji,jj) = zgramigpoc(ji,jj) + xfracmig * zgrapoc(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 446 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 447 | zgramigpop(ji,jj) = zgramigpop(ji,jj) + xfracmig * zgrapop(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 448 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 449 | zgramigpon(ji,jj) = zgramigpon(ji,jj) + xfracmig * zgrapon(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 450 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 451 | zgramigpof(ji,jj) = zgramigpof(ji,jj) + xfracmig * zgrapof(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 452 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 453 | zgramigdoc(ji,jj) = zgramigdoc(ji,jj) + xfracmig * zgradoc(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 454 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 455 | zgramigdop(ji,jj) = zgramigdop(ji,jj) + xfracmig * zgradop(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 456 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 457 | zgramigdon(ji,jj) = zgramigdon(ji,jj) + xfracmig * zgradon(ji,jj,jk) * (1. - zmigreltime ) & |
---|
| 458 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 459 | |
---|
| 460 | zgrarem(ji,jj,jk) = zgrarem(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 461 | zgrarep(ji,jj,jk) = zgrarep(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 462 | zgraren(ji,jj,jk) = zgraren(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 463 | zgraref(ji,jj,jk) = zgraref(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 464 | zgrapoc(ji,jj,jk) = zgrapoc(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 465 | zgrapop(ji,jj,jk) = zgrapop(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 466 | zgrapon(ji,jj,jk) = zgrapon(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 467 | zgrapof(ji,jj,jk) = zgrapof(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 468 | zgradoc(ji,jj,jk) = zgradoc(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 469 | zgradop(ji,jj,jk) = zgradop(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 470 | zgradon(ji,jj,jk) = zgradon(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
| 471 | ENDIF |
---|
| 472 | END DO |
---|
| 473 | END DO |
---|
| 474 | END DO |
---|
| 475 | |
---|
[12537] | 476 | ! The inorganic and organic fluxes induced by migrating organisms are added at the |
---|
| 477 | ! the migration depth (corresponding indice is set by kmig) |
---|
| 478 | ! -------------------------------------------------------------------------------- |
---|
[12524] | 479 | DO jj = 1, jpj |
---|
| 480 | DO ji = 1, jpi |
---|
| 481 | IF (tmask(ji,jj,1) == 1.) THEN |
---|
| 482 | jkt = kmig(ji,jj) |
---|
| 483 | zgrarem(ji,jj,jkt) = zgrarem(ji,jj,jkt) + zgramigrem(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 484 | zgrarep(ji,jj,jkt) = zgrarep(ji,jj,jkt) + zgramigrep(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 485 | zgraren(ji,jj,jkt) = zgraren(ji,jj,jkt) + zgramigren(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 486 | zgraref(ji,jj,jkt) = zgraref(ji,jj,jkt) + zgramigref(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 487 | zgrapoc(ji,jj,jkt) = zgrapoc(ji,jj,jkt) + zgramigpoc(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 488 | zgrapop(ji,jj,jkt) = zgrapop(ji,jj,jkt) + zgramigpop(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 489 | zgrapon(ji,jj,jkt) = zgrapon(ji,jj,jkt) + zgramigpon(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 490 | zgrapof(ji,jj,jkt) = zgrapof(ji,jj,jkt) + zgramigpof(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 491 | zgradoc(ji,jj,jkt) = zgradoc(ji,jj,jkt) + zgramigdoc(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 492 | zgradop(ji,jj,jkt) = zgradop(ji,jj,jkt) + zgramigdop(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 493 | zgradon(ji,jj,jkt) = zgradon(ji,jj,jkt) + zgramigdon(ji,jj) / e3t_n(ji,jj,jkt) |
---|
| 494 | ENDIF |
---|
| 495 | END DO |
---|
| 496 | END DO |
---|
| 497 | ! |
---|
| 498 | ! Deallocate temporary variables |
---|
| 499 | ! ------------------------------ |
---|
| 500 | DEALLOCATE( zgramigrem, zgramigref, zgramigpoc, zgramigpof ) |
---|
| 501 | DEALLOCATE( zgramigrep, zgramigren, zgramigpop, zgramigpon ) |
---|
| 502 | DEALLOCATE( zgramigdoc, zgramigdon, zgramigdop ) |
---|
| 503 | DEALLOCATE( zstrn ) |
---|
[12537] | 504 | ! End of the ln_dvm_meso part |
---|
[12524] | 505 | ENDIF |
---|
| 506 | |
---|
[12537] | 507 | ! Update the arrays TRA which contain the biological sources and sinks |
---|
| 508 | ! This only concerns the variables which are affected by DVM (inorganic |
---|
| 509 | ! nutrients, DOC agands, and particulate organic carbon). |
---|
| 510 | ! --------------------------------------------------------------------- |
---|
[12524] | 511 | DO jk = 1, jpk |
---|
| 512 | DO jj = 1, jpj |
---|
| 513 | DO ji = 1, jpi |
---|
| 514 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + zgrarep(ji,jj,jk) |
---|
| 515 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zgraren(ji,jj,jk) |
---|
| 516 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zgradoc(ji,jj,jk) |
---|
| 517 | ! |
---|
| 518 | IF( ln_ligand ) THEN |
---|
| 519 | tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + zgradoc(ji,jj,jk) * ldocz |
---|
| 520 | zz2ligprod(ji,jj,jk) = zgradoc(ji,jj,jk) * ldocz |
---|
| 521 | ENDIF |
---|
| 522 | ! |
---|
| 523 | tra(ji,jj,jk,jpdon) = tra(ji,jj,jk,jpdon) + zgradon(ji,jj,jk) |
---|
| 524 | tra(ji,jj,jk,jpdop) = tra(ji,jj,jk,jpdop) + zgradop(ji,jj,jk) |
---|
| 525 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2ut * zgrarem(ji,jj,jk) |
---|
| 526 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zgraref(ji,jj,jk) |
---|
| 527 | zfezoo2(ji,jj,jk) = zgraref(ji,jj,jk) |
---|
| 528 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrarem(ji,jj,jk) |
---|
| 529 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zgraren(ji,jj,jk) |
---|
| 530 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zgrapoc(ji,jj,jk) |
---|
| 531 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zgrapoc(ji,jj,jk) |
---|
| 532 | tra(ji,jj,jk,jpgon) = tra(ji,jj,jk,jpgon) + zgrapon(ji,jj,jk) |
---|
| 533 | tra(ji,jj,jk,jpgop) = tra(ji,jj,jk,jpgop) + zgrapop(ji,jj,jk) |
---|
| 534 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zgrapof(ji,jj,jk) |
---|
| 535 | END DO |
---|
| 536 | END DO |
---|
| 537 | END DO |
---|
[7162] | 538 | ! |
---|
| 539 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
---|
[9125] | 540 | ALLOCATE( zw3d(jpi,jpj,jpk) ) |
---|
[7162] | 541 | IF( iom_use( "GRAZ2" ) ) THEN |
---|
| 542 | zw3d(:,:,:) = zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Total grazing of phyto by zooplankton |
---|
| 543 | CALL iom_put( "GRAZ2", zw3d ) |
---|
| 544 | ENDIF |
---|
| 545 | IF( iom_use( "PCAL" ) ) THEN |
---|
| 546 | zw3d(:,:,:) = prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Calcite production |
---|
| 547 | CALL iom_put( "PCAL", zw3d ) |
---|
| 548 | ENDIF |
---|
[10362] | 549 | IF( iom_use( "FEZOO2" ) ) THEN |
---|
| 550 | zw3d(:,:,:) = zfezoo2(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ! |
---|
| 551 | CALL iom_put( "FEZOO2", zw3d ) |
---|
| 552 | ENDIF |
---|
| 553 | IF( iom_use( "LPRODZ2" ) .AND. ln_ligand ) THEN |
---|
| 554 | zw3d(:,:,:) = zz2ligprod(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) |
---|
| 555 | CALL iom_put( "LPRODZ2" , zw3d ) |
---|
| 556 | ENDIF |
---|
[9125] | 557 | DEALLOCATE( zw3d ) |
---|
[7162] | 558 | ENDIF |
---|
| 559 | ! |
---|
| 560 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
| 561 | WRITE(charout, FMT="('meso')") |
---|
| 562 | CALL prt_ctl_trc_info(charout) |
---|
| 563 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
| 564 | ENDIF |
---|
| 565 | ! |
---|
[9124] | 566 | IF( ln_timing ) CALL timing_stop('p5z_meso') |
---|
[7162] | 567 | ! |
---|
| 568 | END SUBROUTINE p5z_meso |
---|
| 569 | |
---|
[9124] | 570 | |
---|
[7162] | 571 | SUBROUTINE p5z_meso_init |
---|
| 572 | !!---------------------------------------------------------------------- |
---|
| 573 | !! *** ROUTINE p5z_meso_init *** |
---|
| 574 | !! |
---|
| 575 | !! ** Purpose : Initialization of mesozooplankton parameters |
---|
| 576 | !! |
---|
[12537] | 577 | !! ** Method : Read the namp5zmes namelist and check the parameters |
---|
[7162] | 578 | !! called at the first timestep (nittrc000) |
---|
| 579 | !! |
---|
[12537] | 580 | !! ** input : Namelist namp5zmes |
---|
[7162] | 581 | !! |
---|
| 582 | !!---------------------------------------------------------------------- |
---|
[12537] | 583 | INTEGER :: ios ! Local integer output status for namelist read |
---|
[9124] | 584 | !! |
---|
[10362] | 585 | NAMELIST/namp5zmes/part2, bmetexc2, grazrat2, resrat2, mzrat2, xpref2c, xpref2n, xpref2z, & |
---|
[7162] | 586 | & xpref2m, xpref2d, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
---|
[10362] | 587 | & xthresh2mes, xthresh2, xkgraz2, epsher2, epsher2min, ssigma2, unass2c, & |
---|
[12524] | 588 | & unass2n, unass2p, srespir2, grazflux, ln_dvm_meso, xfracmig |
---|
[9124] | 589 | !!---------------------------------------------------------------------- |
---|
| 590 | ! |
---|
[12537] | 591 | REWIND( numnatp_ref ) ! Namelist namp5zmes in reference namelist : Pisces mesozooplankton |
---|
[7162] | 592 | READ ( numnatp_ref, namp5zmes, IOSTAT = ios, ERR = 901) |
---|
[12537] | 593 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp5zmes in reference namelist' ) |
---|
[9124] | 594 | ! |
---|
[12537] | 595 | REWIND( numnatp_cfg ) ! Namelist namp5zmes in configuration namelist : Pisces mesozooplankton |
---|
[7162] | 596 | READ ( numnatp_cfg, namp5zmes, IOSTAT = ios, ERR = 902 ) |
---|
[12537] | 597 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp5zmes in configuration namelist' ) |
---|
[7162] | 598 | IF(lwm) WRITE ( numonp, namp5zmes ) |
---|
[9124] | 599 | ! |
---|
[7162] | 600 | IF(lwp) THEN ! control print |
---|
| 601 | WRITE(numout,*) ' ' |
---|
| 602 | WRITE(numout,*) ' Namelist parameters for mesozooplankton, namp5zmes' |
---|
| 603 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
---|
| 604 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 = ', part2 |
---|
[10362] | 605 | WRITE(numout,*) ' mesozoo preference for nano. xpref2n = ', xpref2n |
---|
[7162] | 606 | WRITE(numout,*) ' mesozoo preference for diatoms xpref2d = ', xpref2d |
---|
| 607 | WRITE(numout,*) ' mesozoo preference for zoo xpref2z = ', xpref2z |
---|
| 608 | WRITE(numout,*) ' mesozoo preference for mesozoo xpref2m = ', xpref2m |
---|
| 609 | WRITE(numout,*) ' mesozoo preference for poc xpref2c = ', xpref2c |
---|
| 610 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo = ', xthresh2zoo |
---|
| 611 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia = ', xthresh2dia |
---|
| 612 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy = ', xthresh2phy |
---|
| 613 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc = ', xthresh2poc |
---|
| 614 | WRITE(numout,*) ' mesozoo feeding threshold for mesozoo xthresh2mes = ', xthresh2mes |
---|
| 615 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 = ', xthresh2 |
---|
| 616 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 = ', resrat2 |
---|
| 617 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 = ', mzrat2 |
---|
| 618 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 = ', grazrat2 |
---|
| 619 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux = ', grazflux |
---|
| 620 | WRITE(numout,*) ' C egested fraction of food by mesozoo unass2c = ', unass2c |
---|
[10362] | 621 | WRITE(numout,*) ' N egested fraction of food by mesozoo unass2n = ', unass2n |
---|
| 622 | WRITE(numout,*) ' P egested fraction of food by mesozoo unass2p = ', unass2p |
---|
[7162] | 623 | WRITE(numout,*) ' Efficicency of Mesozoo growth epsher2 = ', epsher2 |
---|
[10362] | 624 | WRITE(numout,*) ' Minimum Efficiency of Mesozoo growth epsher2min =', epsher2min |
---|
[7162] | 625 | WRITE(numout,*) ' Fraction excreted as semi-labile DOM ssigma2 = ', ssigma2 |
---|
| 626 | WRITE(numout,*) ' Active respiration srespir2 = ', srespir2 |
---|
| 627 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 = ', xkgraz2 |
---|
| 628 | WRITE(numout,*) ' Use excess carbon for respiration bmetexc2 = ', bmetexc2 |
---|
[12524] | 629 | WRITE(numout,*) ' Diurnal vertical migration of mesozoo. ln_dvm_meso =', ln_dvm_meso |
---|
| 630 | WRITE(numout,*) ' Fractional biomass of meso that performs DVM xfracmig =', xfracmig |
---|
[7162] | 631 | ENDIF |
---|
[9124] | 632 | ! |
---|
[7162] | 633 | END SUBROUTINE p5z_meso_init |
---|
| 634 | |
---|
[12524] | 635 | SUBROUTINE p5z_meso_depmig |
---|
| 636 | !!---------------------------------------------------------------------- |
---|
| 637 | !! *** ROUTINE p5z_meso_depmig *** |
---|
| 638 | !! |
---|
| 639 | !! ** Purpose : Computation the migration depth of mesozooplankton |
---|
| 640 | !! |
---|
| 641 | !! ** Method : Computes the DVM depth of mesozooplankton from oxygen |
---|
| 642 | !! temperature and chlorophylle following the parameterization |
---|
| 643 | !! proposed by Bianchi et al. (2013) |
---|
| 644 | !! |
---|
| 645 | !! ** input : |
---|
| 646 | !!---------------------------------------------------------------------- |
---|
| 647 | INTEGER :: ji, jj, jk |
---|
| 648 | ! |
---|
| 649 | REAL(wp) :: totchl |
---|
| 650 | REAL(wp), DIMENSION(jpi,jpj) :: oxymoy, tempmoy, zdepmoy |
---|
| 651 | |
---|
| 652 | !!--------------------------------------------------------------------- |
---|
| 653 | ! |
---|
| 654 | IF( ln_timing == 1 ) CALL timing_start('p5z_meso_zdepmig') |
---|
| 655 | ! |
---|
| 656 | oxymoy(:,:) = 0. |
---|
| 657 | tempmoy(:,:) = 0. |
---|
| 658 | zdepmoy(:,:) = 0. |
---|
| 659 | depmig (:,:) = 5. |
---|
| 660 | kmig (:,:) = 1 |
---|
| 661 | ! |
---|
| 662 | ! Compute the averaged values of oxygen, temperature over the domain |
---|
| 663 | ! 150m to 500 m depth. |
---|
| 664 | ! |
---|
| 665 | DO jk =1, jpk |
---|
| 666 | DO jj = 1, jpj |
---|
| 667 | DO ji = 1, jpi |
---|
| 668 | IF (tmask(ji,jj,jk) == 1.) THEN |
---|
| 669 | IF (gdept_n(ji,jj,jk) >= 150. .AND. gdept_n(ji,jj,jk) <= 500.) THEN |
---|
| 670 | oxymoy(ji,jj) = oxymoy(ji,jj) + trb(ji,jj,jk,jpoxy)*e3t_n(ji,jj,jk)*1E6 |
---|
| 671 | tempmoy(ji,jj) = tempmoy(ji,jj) + tsn(ji,jj,jk,jp_tem)*e3t_n(ji,jj,jk) |
---|
| 672 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + e3t_n(ji,jj,jk) |
---|
| 673 | ENDIF |
---|
| 674 | ENDIF |
---|
| 675 | END DO |
---|
| 676 | END DO |
---|
| 677 | END DO |
---|
| 678 | |
---|
[12537] | 679 | ! Compute the difference between surface values and the mean values in the mesopelagic |
---|
| 680 | ! domain |
---|
| 681 | ! ------------------------------------------------------------------------------------ |
---|
[12524] | 682 | DO jj = 1, jpj |
---|
| 683 | DO ji = 1, jpi |
---|
| 684 | oxymoy(ji,jj) = trb(ji,jj,1,jpoxy)*1E6 - oxymoy(ji,jj) / (zdepmoy(ji,jj) + rtrn) |
---|
| 685 | tempmoy(ji,jj) = tsn(ji,jj,1,jp_tem)-tempmoy(ji,jj) / (zdepmoy(ji,jj) + rtrn) |
---|
| 686 | END DO |
---|
| 687 | END DO |
---|
[12537] | 688 | |
---|
[12524] | 689 | ! Computation of the migration depth based on the parameterization of |
---|
[12537] | 690 | ! Bianchi et al. (2013) |
---|
| 691 | ! ------------------------------------------------------------------- |
---|
[12524] | 692 | DO jj = 1, jpj |
---|
| 693 | DO ji = 1, jpi |
---|
| 694 | IF (tmask(ji,jj,1) == 1.) THEN |
---|
| 695 | totchl = (trb(ji,jj,1,jppch)+trb(ji,jj,1,jpnch)+trb(ji,jj,1,jpdch))*1E6 |
---|
| 696 | depmig(ji,jj) = 398. - 0.56 * oxymoy(ji,jj) -115. * log10(totchl) + 0.36 * hmld(ji,jj) -2.4 * tempmoy(ji,jj) |
---|
| 697 | ENDIF |
---|
| 698 | END DO |
---|
| 699 | END DO |
---|
| 700 | ! |
---|
| 701 | ! Computation of the corresponding jk indice |
---|
| 702 | ! ------------------------------------------ |
---|
| 703 | DO jk = 1, jpk-1 |
---|
| 704 | DO jj = 1, jpj |
---|
| 705 | DO ji = 1, jpi |
---|
| 706 | IF (depmig(ji,jj) .GE. gdepw_n(ji,jj,jk) .AND. depmig(ji,jj) .LT. gdepw_n(ji,jj,jk+1) ) THEN |
---|
| 707 | kmig(ji,jj) = jk |
---|
| 708 | ENDIF |
---|
| 709 | END DO |
---|
| 710 | END DO |
---|
| 711 | END DO |
---|
| 712 | ! |
---|
| 713 | ! Correction of the migration depth and indice based on O2 levels |
---|
| 714 | ! If O2 is too low, imposing a migration depth at this low O2 levels |
---|
| 715 | ! would lead to negative O2 concentrations (respiration while O2 is close |
---|
| 716 | ! to 0. Thus, to avoid that problem, the migration depth is adjusted so |
---|
| 717 | ! that it falls above the OMZ |
---|
| 718 | ! ----------------------------------------------------------------------- |
---|
| 719 | DO ji =1, jpi |
---|
| 720 | DO jj = 1, jpj |
---|
| 721 | IF (trb(ji,jj,kmig(ji,jj),jpoxy) < 5E-6) THEN |
---|
| 722 | DO jk = kmig(ji,jj),1,-1 |
---|
| 723 | IF (trb(ji,jj,jk,jpoxy) >= 5E-6 .AND. trb(ji,jj,jk+1,jpoxy) < 5E-6) THEN |
---|
| 724 | kmig(ji,jj) = jk |
---|
| 725 | depmig(ji,jj) = gdept_n(ji,jj,jk) |
---|
| 726 | ENDIF |
---|
| 727 | END DO |
---|
| 728 | ENDIF |
---|
| 729 | END DO |
---|
| 730 | END DO |
---|
| 731 | ! |
---|
| 732 | IF( ln_timing ) CALL timing_stop('p5z_meso_depmig') |
---|
| 733 | ! |
---|
| 734 | END SUBROUTINE p5z_meso_depmig |
---|
| 735 | |
---|
| 736 | INTEGER FUNCTION p5z_meso_alloc() |
---|
| 737 | !!---------------------------------------------------------------------- |
---|
[12537] | 738 | !! *** ROUTINE p5z_meso_alloc *** |
---|
[12524] | 739 | !!---------------------------------------------------------------------- |
---|
| 740 | ! |
---|
| 741 | ALLOCATE( depmig(jpi,jpj), kmig(jpi,jpj), STAT= p5z_meso_alloc ) |
---|
| 742 | ! |
---|
| 743 | IF( p5z_meso_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p5z_meso_alloc : failed to allocate arrays.' ) |
---|
| 744 | ! |
---|
| 745 | END FUNCTION p5z_meso_alloc |
---|
| 746 | |
---|
[7162] | 747 | !!====================================================================== |
---|
[9788] | 748 | END MODULE p5zmeso |
---|