[3443] | 1 | MODULE p4zmeso |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p4zmeso *** |
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| 4 | !! TOP : PISCES Compute the sources/sinks for mesozooplankton |
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| 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 | !!---------------------------------------------------------------------- |
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[9169] | 10 | !! p4z_meso : Compute the sources/sinks for mesozooplankton |
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| 11 | !! p4z_meso_init : Initialization of the parameters for mesozooplankton |
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[3443] | 12 | !!---------------------------------------------------------------------- |
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[9169] | 13 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 14 | USE trc ! passive tracers common variables |
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| 15 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 16 | USE p4zprod ! production |
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| 17 | USE prtctl_trc ! print control for debugging |
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| 18 | USE iom ! I/O manager |
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[3443] | 19 | |
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| 20 | IMPLICIT NONE |
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| 21 | PRIVATE |
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| 22 | |
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| 23 | PUBLIC p4z_meso ! called in p4zbio.F90 |
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| 24 | PUBLIC p4z_meso_init ! called in trcsms_pisces.F90 |
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| 25 | |
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[4147] | 26 | REAL(wp), PUBLIC :: part2 !: part of calcite not dissolved in mesozoo guts |
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[10362] | 27 | REAL(wp), PUBLIC :: xpref2d !: mesozoo preference for diatoms |
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| 28 | REAL(wp), PUBLIC :: xpref2n !: mesozoo preference for nanophyto |
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| 29 | REAL(wp), PUBLIC :: xpref2z !: mesozoo preference for microzooplankton |
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| 30 | REAL(wp), PUBLIC :: xpref2c !: mesozoo preference for POC |
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[4147] | 31 | REAL(wp), PUBLIC :: xthresh2zoo !: zoo feeding threshold for mesozooplankton |
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| 32 | REAL(wp), PUBLIC :: xthresh2dia !: diatoms feeding threshold for mesozooplankton |
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| 33 | REAL(wp), PUBLIC :: xthresh2phy !: nanophyto feeding threshold for mesozooplankton |
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| 34 | REAL(wp), PUBLIC :: xthresh2poc !: poc feeding threshold for mesozooplankton |
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| 35 | REAL(wp), PUBLIC :: xthresh2 !: feeding threshold for mesozooplankton |
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| 36 | REAL(wp), PUBLIC :: resrat2 !: exsudation rate of mesozooplankton |
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| 37 | REAL(wp), PUBLIC :: mzrat2 !: microzooplankton mortality rate |
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| 38 | REAL(wp), PUBLIC :: grazrat2 !: maximal mesozoo grazing rate |
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| 39 | REAL(wp), PUBLIC :: xkgraz2 !: non assimilated fraction of P by mesozoo |
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| 40 | REAL(wp), PUBLIC :: unass2 !: Efficicency of mesozoo growth |
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| 41 | REAL(wp), PUBLIC :: sigma2 !: Fraction of mesozoo excretion as DOM |
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[10362] | 42 | REAL(wp), PUBLIC :: epsher2 !: growth efficiency |
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| 43 | REAL(wp), PUBLIC :: epsher2min !: minimum growth efficiency at high food for grazing 2 |
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[4147] | 44 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
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[3443] | 45 | |
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| 46 | !!---------------------------------------------------------------------- |
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[10067] | 47 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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[10069] | 48 | !! $Id$ |
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[10068] | 49 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[3443] | 50 | !!---------------------------------------------------------------------- |
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| 51 | CONTAINS |
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| 52 | |
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[11949] | 53 | SUBROUTINE p4z_meso( kt, knt, Kbb, Krhs ) |
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[3443] | 54 | !!--------------------------------------------------------------------- |
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| 55 | !! *** ROUTINE p4z_meso *** |
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| 56 | !! |
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| 57 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
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| 58 | !! |
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| 59 | !! ** Method : - ??? |
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| 60 | !!--------------------------------------------------------------------- |
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[9169] | 61 | INTEGER, INTENT(in) :: kt, knt ! ocean time step and ??? |
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[11949] | 62 | INTEGER, INTENT(in) :: Kbb, Krhs ! time level indices |
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[9169] | 63 | ! |
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[3443] | 64 | INTEGER :: ji, jj, jk |
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| 65 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam |
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[4529] | 66 | REAL(wp) :: zgraze2 , zdenom, zdenom2 |
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[10362] | 67 | REAL(wp) :: zfact , zfood, zfoodlim, zproport, zbeta |
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[7646] | 68 | REAL(wp) :: zmortzgoc, zfrac, zfracfe, zratio, zratio2, zfracal, zgrazcal |
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[10362] | 69 | REAL(wp) :: zepsherf, zepshert, zepsherv, zgrarsig, zgraztotc, zgraztotn, zgraztotf |
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| 70 | REAL(wp) :: zgrarem2, zgrafer2, zgrapoc2, zprcaca, zmortz, zgrasrat, zgrasratn |
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| 71 | REAL(wp) :: zrespz, ztortz, zgrazd, zgrazz, zgrazpof |
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[3443] | 72 | REAL(wp) :: zgrazn, zgrazpoc, zgraznf, zgrazf |
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[4148] | 73 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
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| 74 | CHARACTER (len=25) :: charout |
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[10362] | 75 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing, zfezoo2 |
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| 76 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zw3d, zz2ligprod |
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[3443] | 77 | !!--------------------------------------------------------------------- |
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| 78 | ! |
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[9124] | 79 | IF( ln_timing ) CALL timing_start('p4z_meso') |
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[3443] | 80 | ! |
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[7753] | 81 | zgrazing(:,:,:) = 0._wp |
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[10362] | 82 | zfezoo2 (:,:,:) = 0._wp |
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| 83 | ! |
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| 84 | IF (ln_ligand) THEN |
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| 85 | ALLOCATE( zz2ligprod(jpi,jpj,jpk) ) |
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| 86 | zz2ligprod(:,:,:) = 0._wp |
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| 87 | ENDIF |
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| 88 | ! |
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[3443] | 89 | DO jk = 1, jpkm1 |
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| 90 | DO jj = 1, jpj |
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| 91 | DO ji = 1, jpi |
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[11949] | 92 | zcompam = MAX( ( tr(ji,jj,jk,jpmes,Kbb) - 1.e-9 ), 0.e0 ) |
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[7646] | 93 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
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[3443] | 94 | |
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| 95 | ! Respiration rates of both zooplankton |
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| 96 | ! ------------------------------------- |
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[11949] | 97 | zrespz = resrat2 * zfact * ( tr(ji,jj,jk,jpmes,Kbb) / ( xkmort + tr(ji,jj,jk,jpmes,Kbb) ) & |
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[10362] | 98 | & + 3. * nitrfac(ji,jj,jk) ) |
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[3443] | 99 | |
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| 100 | ! Zooplankton mortality. A square function has been selected with |
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| 101 | ! no real reason except that it seems to be more stable and may mimic predation |
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| 102 | ! --------------------------------------------------------------- |
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[11949] | 103 | ztortz = mzrat2 * 1.e6 * zfact * tr(ji,jj,jk,jpmes,Kbb) * (1. - nitrfac(ji,jj,jk) ) |
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[3443] | 104 | ! |
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[11949] | 105 | zcompadi = MAX( ( tr(ji,jj,jk,jpdia,Kbb) - xthresh2dia ), 0.e0 ) |
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| 106 | zcompaz = MAX( ( tr(ji,jj,jk,jpzoo,Kbb) - xthresh2zoo ), 0.e0 ) |
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| 107 | zcompapoc = MAX( ( tr(ji,jj,jk,jppoc,Kbb) - xthresh2poc ), 0.e0 ) |
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[4529] | 108 | ! Size effect of nanophytoplankton on grazing : the smaller it is, the less prone |
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| 109 | ! it is to predation by mesozooplankton |
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| 110 | ! ------------------------------------------------------------------------------- |
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[11949] | 111 | zcompaph = MAX( ( tr(ji,jj,jk,jpphy,Kbb) - xthresh2phy ), 0.e0 ) & |
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[4529] | 112 | & * MIN(1., MAX( 0., ( quotan(ji,jj,jk) - 0.2) / 0.3 ) ) |
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[3443] | 113 | |
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[10362] | 114 | ! Mesozooplankton grazing |
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| 115 | ! ------------------------ |
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| 116 | zfood = xpref2d * zcompadi + xpref2z * zcompaz + xpref2n * zcompaph + xpref2c * zcompapoc |
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[4148] | 117 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
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[3443] | 118 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
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| 119 | zdenom2 = zdenom / ( zfood + rtrn ) |
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[11949] | 120 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jpmes,Kbb) * (1. - nitrfac(ji,jj,jk)) |
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[3443] | 121 | |
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[10362] | 122 | zgrazd = zgraze2 * xpref2d * zcompadi * zdenom2 |
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| 123 | zgrazz = zgraze2 * xpref2z * zcompaz * zdenom2 |
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| 124 | zgrazn = zgraze2 * xpref2n * zcompaph * zdenom2 |
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| 125 | zgrazpoc = zgraze2 * xpref2c * zcompapoc * zdenom2 |
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[3443] | 126 | |
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[11949] | 127 | zgraznf = zgrazn * tr(ji,jj,jk,jpnfe,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn) |
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| 128 | zgrazf = zgrazd * tr(ji,jj,jk,jpdfe,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn) |
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| 129 | zgrazpof = zgrazpoc * tr(ji,jj,jk,jpsfe,Kbb) / ( tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
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[3443] | 130 | |
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| 131 | ! Mesozooplankton flux feeding on GOC |
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| 132 | ! ---------------------------------- |
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[7646] | 133 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
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[11949] | 134 | & * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jpgoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
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[8533] | 135 | & * (1. - nitrfac(ji,jj,jk)) |
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[11949] | 136 | zgrazfffg = zgrazffeg * tr(ji,jj,jk,jpbfe,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
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[7646] | 137 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
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[11949] | 138 | & * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jppoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
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[8533] | 139 | & * (1. - nitrfac(ji,jj,jk)) |
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[11949] | 140 | zgrazfffp = zgrazffep * tr(ji,jj,jk,jpsfe,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
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[10362] | 141 | ! |
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| 142 | zgraztotc = zgrazd + zgrazz + zgrazn + zgrazpoc + zgrazffep + zgrazffeg |
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| 143 | ! Compute the proportion of filter feeders |
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| 144 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztotc) |
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| 145 | ! Compute fractionation of aggregates. It is assumed that |
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| 146 | ! diatoms based aggregates are more prone to fractionation |
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| 147 | ! since they are more porous (marine snow instead of fecal pellets) |
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[11949] | 148 | zratio = tr(ji,jj,jk,jpgsi,Kbb) / ( tr(ji,jj,jk,jpgoc,Kbb) + rtrn ) |
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[10362] | 149 | zratio2 = zratio * zratio |
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| 150 | zfrac = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
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[11949] | 151 | & * tr(ji,jj,jk,jpgoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
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[4800] | 152 | & * ( 0.2 + 3.8 * zratio2 / ( 1.**2 + zratio2 ) ) |
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[11949] | 153 | zfracfe = zfrac * tr(ji,jj,jk,jpbfe,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
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[4148] | 154 | |
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[10362] | 155 | zgrazffep = zproport * zgrazffep |
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| 156 | zgrazffeg = zproport * zgrazffeg |
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| 157 | zgrazfffp = zproport * zgrazfffp |
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| 158 | zgrazfffg = zproport * zgrazfffg |
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| 159 | zgraztotc = zgrazd + zgrazz + zgrazn + zgrazpoc + zgrazffep + zgrazffeg |
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| 160 | zgraztotn = zgrazd * quotad(ji,jj,jk) + zgrazz + zgrazn * quotan(ji,jj,jk) & |
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| 161 | & + zgrazpoc + zgrazffep + zgrazffeg |
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| 162 | zgraztotf = zgrazf + zgraznf + zgrazz * ferat3 + zgrazpof + zgrazfffp + zgrazfffg |
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[4148] | 163 | |
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[10362] | 164 | ! Total grazing ( grazing by microzoo is already computed in p4zmicro ) |
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| 165 | zgrazing(ji,jj,jk) = zgraztotc |
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[3446] | 166 | |
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[10362] | 167 | ! Mesozooplankton efficiency |
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| 168 | ! -------------------------- |
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| 169 | zgrasrat = ( zgraztotf + rtrn )/ ( zgraztotc + rtrn ) |
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| 170 | zgrasratn = ( zgraztotn + rtrn )/ ( zgraztotc + rtrn ) |
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[4529] | 171 | zepshert = MIN( 1., zgrasratn, zgrasrat / ferat3) |
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[10362] | 172 | zbeta = MAX(0., (epsher2 - epsher2min) ) |
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| 173 | zepsherf = epsher2min + zbeta / ( 1.0 + 0.04E6 * 12. * zfood * zbeta ) |
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| 174 | zepsherv = zepsherf * zepshert |
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[3443] | 175 | |
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[10362] | 176 | zgrarem2 = zgraztotc * ( 1. - zepsherv - unass2 ) & |
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| 177 | & + ( 1. - epsher2 - unass2 ) / ( 1. - epsher2 ) * ztortz |
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| 178 | zgrafer2 = zgraztotc * MAX( 0. , ( 1. - unass2 ) * zgrasrat - ferat3 * zepsherv ) & |
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| 179 | & + ferat3 * ( ( 1. - epsher2 - unass2 ) /( 1. - epsher2 ) * ztortz ) |
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| 180 | zgrapoc2 = zgraztotc * unass2 |
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| 181 | |
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[3443] | 182 | ! Update the arrays TRA which contain the biological sources and sinks |
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| 183 | zgrarsig = zgrarem2 * sigma2 |
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[11949] | 184 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) + zgrarsig |
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| 185 | tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + zgrarsig |
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| 186 | tr(ji,jj,jk,jpdoc,Krhs) = tr(ji,jj,jk,jpdoc,Krhs) + zgrarem2 - zgrarsig |
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[7646] | 187 | ! |
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[10362] | 188 | IF( ln_ligand ) THEN |
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[11949] | 189 | tr(ji,jj,jk,jplgw,Krhs) = tr(ji,jj,jk,jplgw,Krhs) + (zgrarem2 - zgrarsig) * ldocz |
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[10362] | 190 | zz2ligprod(ji,jj,jk) = (zgrarem2 - zgrarsig) * ldocz |
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| 191 | ENDIF |
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[7646] | 192 | ! |
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[11949] | 193 | tr(ji,jj,jk,jpoxy,Krhs) = tr(ji,jj,jk,jpoxy,Krhs) - o2ut * zgrarsig |
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| 194 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) + zgrafer2 |
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[10362] | 195 | zfezoo2(ji,jj,jk) = zgrafer2 |
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[11949] | 196 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) + zgrarsig |
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| 197 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + rno3 * zgrarsig |
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[4148] | 198 | |
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[10362] | 199 | zmortz = ztortz + zrespz |
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| 200 | zmortzgoc = unass2 / ( 1. - epsher2 ) * ztortz + zrespz |
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[11949] | 201 | tr(ji,jj,jk,jpmes,Krhs) = tr(ji,jj,jk,jpmes,Krhs) - zmortz + zepsherv * zgraztotc |
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| 202 | tr(ji,jj,jk,jpdia,Krhs) = tr(ji,jj,jk,jpdia,Krhs) - zgrazd |
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| 203 | tr(ji,jj,jk,jpzoo,Krhs) = tr(ji,jj,jk,jpzoo,Krhs) - zgrazz |
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| 204 | tr(ji,jj,jk,jpphy,Krhs) = tr(ji,jj,jk,jpphy,Krhs) - zgrazn |
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| 205 | tr(ji,jj,jk,jpnch,Krhs) = tr(ji,jj,jk,jpnch,Krhs) - zgrazn * tr(ji,jj,jk,jpnch,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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| 206 | tr(ji,jj,jk,jpdch,Krhs) = tr(ji,jj,jk,jpdch,Krhs) - zgrazd * tr(ji,jj,jk,jpdch,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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| 207 | tr(ji,jj,jk,jpdsi,Krhs) = tr(ji,jj,jk,jpdsi,Krhs) - zgrazd * tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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| 208 | tr(ji,jj,jk,jpgsi,Krhs) = tr(ji,jj,jk,jpgsi,Krhs) + zgrazd * tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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| 209 | tr(ji,jj,jk,jpnfe,Krhs) = tr(ji,jj,jk,jpnfe,Krhs) - zgraznf |
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| 210 | tr(ji,jj,jk,jpdfe,Krhs) = tr(ji,jj,jk,jpdfe,Krhs) - zgrazf |
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[3443] | 211 | |
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[11949] | 212 | tr(ji,jj,jk,jppoc,Krhs) = tr(ji,jj,jk,jppoc,Krhs) - zgrazpoc - zgrazffep + zfrac |
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[10362] | 213 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfrac |
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| 214 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
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[11949] | 215 | tr(ji,jj,jk,jpgoc,Krhs) = tr(ji,jj,jk,jpgoc,Krhs) + zmortzgoc - zgrazffeg + zgrapoc2 - zfrac |
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[10362] | 216 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zmortzgoc + zgrapoc2 |
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| 217 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfrac |
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[11949] | 218 | tr(ji,jj,jk,jpsfe,Krhs) = tr(ji,jj,jk,jpsfe,Krhs) - zgrazpof - zgrazfffp + zfracfe |
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| 219 | tr(ji,jj,jk,jpbfe,Krhs) = tr(ji,jj,jk,jpbfe,Krhs) + ferat3 * zmortzgoc - zgrazfffg & |
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[4529] | 220 | & + zgraztotf * unass2 - zfracfe |
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[11949] | 221 | zfracal = tr(ji,jj,jk,jpcal,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + tr(ji,jj,jk,jpgoc,Kbb) + rtrn ) |
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[10362] | 222 | zgrazcal = (zgrazffeg + zgrazpoc) * (1. - part2) * zfracal |
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| 223 | ! calcite production |
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| 224 | zprcaca = xfracal(ji,jj,jk) * zgrazn |
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| 225 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
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| 226 | ! |
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| 227 | zprcaca = part2 * zprcaca |
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[11949] | 228 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) + zgrazcal - zprcaca |
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| 229 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) - 2. * ( zgrazcal + zprcaca ) |
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| 230 | tr(ji,jj,jk,jpcal,Krhs) = tr(ji,jj,jk,jpcal,Krhs) - zgrazcal + zprcaca |
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[3443] | 231 | END DO |
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| 232 | END DO |
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| 233 | END DO |
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| 234 | ! |
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[5385] | 235 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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[9125] | 236 | ALLOCATE( zw3d(jpi,jpj,jpk) ) |
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[4996] | 237 | IF( iom_use( "GRAZ2" ) ) THEN |
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[7753] | 238 | zw3d(:,:,:) = zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Total grazing of phyto by zooplankton |
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[4996] | 239 | CALL iom_put( "GRAZ2", zw3d ) |
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| 240 | ENDIF |
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| 241 | IF( iom_use( "PCAL" ) ) THEN |
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[7753] | 242 | zw3d(:,:,:) = prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Calcite production |
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[4996] | 243 | CALL iom_put( "PCAL", zw3d ) |
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| 244 | ENDIF |
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[10362] | 245 | IF( iom_use( "FEZOO2" ) ) THEN |
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| 246 | zw3d(:,:,:) = zfezoo2(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ! |
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| 247 | CALL iom_put( "FEZOO2", zw3d ) |
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| 248 | ENDIF |
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| 249 | IF( iom_use( "LPRODZ2" ) .AND. ln_ligand ) THEN |
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| 250 | zw3d(:,:,:) = zz2ligprod(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) |
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| 251 | CALL iom_put( "LPRODZ2" , zw3d ) |
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| 252 | ENDIF |
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[9125] | 253 | DEALLOCATE( zw3d ) |
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[3443] | 254 | ENDIF |
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| 255 | ! |
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[10367] | 256 | IF (ln_ligand) DEALLOCATE( zz2ligprod ) |
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| 257 | ! |
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[12236] | 258 | IF(sn_cfctl%l_prttrc) THEN ! print mean trends (used for debugging) |
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[3443] | 259 | WRITE(charout, FMT="('meso')") |
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| 260 | CALL prt_ctl_trc_info(charout) |
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[11949] | 261 | CALL prt_ctl_trc(tab4d=tr(:,:,:,:,Krhs), mask=tmask, clinfo=ctrcnm) |
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[3443] | 262 | ENDIF |
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| 263 | ! |
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[9124] | 264 | IF( ln_timing ) CALL timing_stop('p4z_meso') |
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[3443] | 265 | ! |
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| 266 | END SUBROUTINE p4z_meso |
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| 267 | |
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[9124] | 268 | |
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[3443] | 269 | SUBROUTINE p4z_meso_init |
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| 270 | !!---------------------------------------------------------------------- |
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| 271 | !! *** ROUTINE p4z_meso_init *** |
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| 272 | !! |
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| 273 | !! ** Purpose : Initialization of mesozooplankton parameters |
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| 274 | !! |
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| 275 | !! ** Method : Read the nampismes namelist and check the parameters |
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| 276 | !! called at the first timestep (nittrc000) |
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| 277 | !! |
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| 278 | !! ** input : Namelist nampismes |
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| 279 | !!---------------------------------------------------------------------- |
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[9124] | 280 | INTEGER :: ios ! Local integer |
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| 281 | ! |
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[10362] | 282 | NAMELIST/namp4zmes/ part2, grazrat2, resrat2, mzrat2, xpref2n, xpref2d, xpref2z, & |
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| 283 | & xpref2c, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
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| 284 | & xthresh2, xkgraz2, epsher2, epsher2min, sigma2, unass2, grazflux |
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[9124] | 285 | !!---------------------------------------------------------------------- |
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| 286 | ! |
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[9169] | 287 | IF(lwp) THEN |
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| 288 | WRITE(numout,*) |
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| 289 | WRITE(numout,*) 'p4z_meso_init : Initialization of mesozooplankton parameters' |
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| 290 | WRITE(numout,*) '~~~~~~~~~~~~~' |
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| 291 | ENDIF |
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| 292 | ! |
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[7646] | 293 | READ ( numnatp_ref, namp4zmes, IOSTAT = ios, ERR = 901) |
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[11536] | 294 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zmes in reference namelist' ) |
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[7646] | 295 | READ ( numnatp_cfg, namp4zmes, IOSTAT = ios, ERR = 902 ) |
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[11536] | 296 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp4zmes in configuration namelist' ) |
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[9169] | 297 | IF(lwm) WRITE( numonp, namp4zmes ) |
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[9124] | 298 | ! |
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[3443] | 299 | IF(lwp) THEN ! control print |
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[9169] | 300 | WRITE(numout,*) ' Namelist : namp4zmes' |
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| 301 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 =', part2 |
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[10362] | 302 | WRITE(numout,*) ' mesozoo preference for phyto xpref2n =', xpref2n |
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| 303 | WRITE(numout,*) ' mesozoo preference for diatoms xpref2d =', xpref2d |
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| 304 | WRITE(numout,*) ' mesozoo preference for zoo xpref2z =', xpref2z |
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| 305 | WRITE(numout,*) ' mesozoo preference for poc xpref2c =', xpref2c |
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[9169] | 306 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo =', xthresh2zoo |
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| 307 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia =', xthresh2dia |
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| 308 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy =', xthresh2phy |
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| 309 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc =', xthresh2poc |
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| 310 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 =', xthresh2 |
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| 311 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 =', resrat2 |
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| 312 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 =', mzrat2 |
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| 313 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 =', grazrat2 |
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| 314 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux =', grazflux |
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| 315 | WRITE(numout,*) ' non assimilated fraction of P by mesozoo unass2 =', unass2 |
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[10362] | 316 | WRITE(numout,*) ' Efficiency of Mesozoo growth epsher2 =', epsher2 |
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| 317 | WRITE(numout,*) ' Minimum Efficiency of Mesozoo growth epsher2min =', epsher2min |
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[9169] | 318 | WRITE(numout,*) ' Fraction of mesozoo excretion as DOM sigma2 =', sigma2 |
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| 319 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 =', xkgraz2 |
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[3443] | 320 | ENDIF |
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[9124] | 321 | ! |
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[3443] | 322 | END SUBROUTINE p4z_meso_init |
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| 323 | |
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| 324 | !!====================================================================== |
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[5656] | 325 | END MODULE p4zmeso |
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