[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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| 27 | REAL(wp), PUBLIC :: xprefc !: mesozoo preference for POC |
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| 28 | REAL(wp), PUBLIC :: xprefp !: mesozoo preference for nanophyto |
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| 29 | REAL(wp), PUBLIC :: xprefz !: mesozoo preference for diatoms |
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| 30 | REAL(wp), PUBLIC :: xprefpoc !: mesozoo preference for POC |
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| 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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| 42 | REAL(wp), PUBLIC :: epsher2 !: half sturation constant for grazing 2 |
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| 43 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
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[3443] | 44 | |
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| 45 | !!---------------------------------------------------------------------- |
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[10321] | 46 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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[9950] | 47 | !! $Id$ |
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[10321] | 48 | !! Software governed by the CeCILL license (see ./LICENSE) |
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[3443] | 49 | !!---------------------------------------------------------------------- |
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| 50 | CONTAINS |
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| 51 | |
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[5385] | 52 | SUBROUTINE p4z_meso( kt, knt ) |
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[3443] | 53 | !!--------------------------------------------------------------------- |
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| 54 | !! *** ROUTINE p4z_meso *** |
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| 55 | !! |
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| 56 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
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| 57 | !! |
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| 58 | !! ** Method : - ??? |
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| 59 | !!--------------------------------------------------------------------- |
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[9169] | 60 | INTEGER, INTENT(in) :: kt, knt ! ocean time step and ??? |
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| 61 | ! |
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[3443] | 62 | INTEGER :: ji, jj, jk |
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| 63 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam |
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[4529] | 64 | REAL(wp) :: zgraze2 , zdenom, zdenom2 |
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[7646] | 65 | REAL(wp) :: zfact , zfood, zfoodlim, zproport |
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| 66 | REAL(wp) :: zmortzgoc, zfrac, zfracfe, zratio, zratio2, zfracal, zgrazcal |
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[4529] | 67 | REAL(wp) :: zepshert, zepsherv, zgrarsig, zgraztot, zgraztotn, zgraztotf |
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| 68 | REAL(wp) :: zgrarem2, zgrafer2, zgrapoc2, zprcaca, zmortz2, zgrasrat, zgrasratn |
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[3443] | 69 | REAL(wp) :: zrespz2, ztortz2, zgrazd, zgrazz, zgrazpof |
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| 70 | REAL(wp) :: zgrazn, zgrazpoc, zgraznf, zgrazf |
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[4148] | 71 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
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| 72 | CHARACTER (len=25) :: charout |
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[9125] | 73 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing |
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[9169] | 74 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zw3d |
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[3443] | 75 | !!--------------------------------------------------------------------- |
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| 76 | ! |
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[9124] | 77 | IF( ln_timing ) CALL timing_start('p4z_meso') |
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[3443] | 78 | ! |
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[7753] | 79 | zgrazing(:,:,:) = 0._wp |
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[4148] | 80 | |
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[3443] | 81 | DO jk = 1, jpkm1 |
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| 82 | DO jj = 1, jpj |
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| 83 | DO ji = 1, jpi |
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[5385] | 84 | zcompam = MAX( ( trb(ji,jj,jk,jpmes) - 1.e-9 ), 0.e0 ) |
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[7646] | 85 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
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[3443] | 86 | |
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| 87 | ! Respiration rates of both zooplankton |
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| 88 | ! ------------------------------------- |
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[5385] | 89 | zrespz2 = resrat2 * zfact * trb(ji,jj,jk,jpmes) / ( xkmort + trb(ji,jj,jk,jpmes) ) & |
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[3443] | 90 | & + resrat2 * zfact * 3. * nitrfac(ji,jj,jk) |
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| 91 | |
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| 92 | ! Zooplankton mortality. A square function has been selected with |
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| 93 | ! no real reason except that it seems to be more stable and may mimic predation |
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| 94 | ! --------------------------------------------------------------- |
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[8533] | 95 | ztortz2 = mzrat2 * 1.e6 * zfact * trb(ji,jj,jk,jpmes) * (1. - nitrfac(ji,jj,jk) ) |
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[3443] | 96 | ! |
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[5385] | 97 | zcompadi = MAX( ( trb(ji,jj,jk,jpdia) - xthresh2dia ), 0.e0 ) |
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| 98 | zcompaz = MAX( ( trb(ji,jj,jk,jpzoo) - xthresh2zoo ), 0.e0 ) |
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[4529] | 99 | ! Size effect of nanophytoplankton on grazing : the smaller it is, the less prone |
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| 100 | ! it is to predation by mesozooplankton |
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| 101 | ! ------------------------------------------------------------------------------- |
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[5385] | 102 | zcompaph = MAX( ( trb(ji,jj,jk,jpphy) - xthresh2phy ), 0.e0 ) & |
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[4529] | 103 | & * MIN(1., MAX( 0., ( quotan(ji,jj,jk) - 0.2) / 0.3 ) ) |
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[5385] | 104 | zcompapoc = MAX( ( trb(ji,jj,jk,jppoc) - xthresh2poc ), 0.e0 ) |
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[3443] | 105 | |
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| 106 | zfood = xprefc * zcompadi + xprefz * zcompaz + xprefp * zcompaph + xprefpoc * zcompapoc |
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[4148] | 107 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
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[3443] | 108 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
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| 109 | zdenom2 = zdenom / ( zfood + rtrn ) |
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[10321] | 110 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpmes) * (1. - nitrfac(ji,jj,jk)) |
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[3443] | 111 | |
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| 112 | zgrazd = zgraze2 * xprefc * zcompadi * zdenom2 |
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| 113 | zgrazz = zgraze2 * xprefz * zcompaz * zdenom2 |
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| 114 | zgrazn = zgraze2 * xprefp * zcompaph * zdenom2 |
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| 115 | zgrazpoc = zgraze2 * xprefpoc * zcompapoc * zdenom2 |
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| 116 | |
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[5385] | 117 | zgraznf = zgrazn * trb(ji,jj,jk,jpnfe) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 118 | zgrazf = zgrazd * trb(ji,jj,jk,jpdfe) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 119 | zgrazpof = zgrazpoc * trb(ji,jj,jk,jpsfe) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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[3443] | 120 | |
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| 121 | ! Mesozooplankton flux feeding on GOC |
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| 122 | ! ---------------------------------- |
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[7646] | 123 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
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[8533] | 124 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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| 125 | & * (1. - nitrfac(ji,jj,jk)) |
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[5385] | 126 | zgrazfffg = zgrazffeg * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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[7646] | 127 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
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[8533] | 128 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpmes) & |
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| 129 | & * (1. - nitrfac(ji,jj,jk)) |
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[5385] | 130 | zgrazfffp = zgrazffep * trb(ji,jj,jk,jpsfe) / (trb(ji,jj,jk,jppoc) + rtrn) |
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[3443] | 131 | ! |
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[4148] | 132 | zgraztot = zgrazd + zgrazz + zgrazn + zgrazpoc + zgrazffep + zgrazffeg |
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| 133 | ! Compute the proportion of filter feeders |
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| 134 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztot) |
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[4529] | 135 | ! Compute fractionation of aggregates. It is assumed that |
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| 136 | ! diatoms based aggregates are more prone to fractionation |
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[4148] | 137 | ! since they are more porous (marine snow instead of fecal pellets) |
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[5385] | 138 | zratio = trb(ji,jj,jk,jpgsi) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
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[4148] | 139 | zratio2 = zratio * zratio |
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[7646] | 140 | zfrac = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
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[5385] | 141 | & * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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[4800] | 142 | & * ( 0.2 + 3.8 * zratio2 / ( 1.**2 + zratio2 ) ) |
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[5385] | 143 | zfracfe = zfrac * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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[4148] | 144 | |
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| 145 | zgrazffep = zproport * zgrazffep |
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| 146 | zgrazffeg = zproport * zgrazffeg |
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| 147 | zgrazfffp = zproport * zgrazfffp |
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| 148 | zgrazfffg = zproport * zgrazfffg |
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| 149 | zgraztot = zgrazd + zgrazz + zgrazn + zgrazpoc + zgrazffep + zgrazffeg |
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[4529] | 150 | zgraztotn = zgrazd * quotad(ji,jj,jk) + zgrazz + zgrazn * quotan(ji,jj,jk) & |
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| 151 | & + zgrazpoc + zgrazffep + zgrazffeg |
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[4148] | 152 | zgraztotf = zgrazf + zgraznf + zgrazz * ferat3 + zgrazpof + zgrazfffp + zgrazfffg |
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| 153 | |
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[3443] | 154 | ! Total grazing ( grazing by microzoo is already computed in p4zmicro ) |
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[7646] | 155 | zgrazing(ji,jj,jk) = zgraztot |
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[3446] | 156 | |
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[3443] | 157 | ! Mesozooplankton efficiency |
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| 158 | ! -------------------------- |
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[4529] | 159 | zgrasrat = ( zgraztotf +rtrn )/ ( zgraztot + rtrn ) |
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| 160 | zgrasratn = ( zgraztotn +rtrn )/ ( zgraztot + rtrn ) |
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| 161 | zepshert = MIN( 1., zgrasratn, zgrasrat / ferat3) |
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| 162 | zepsherv = zepshert * MIN( epsher2, (1. - unass2) * zgrasrat / ferat3, (1. - unass2) * zgrasratn ) |
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| 163 | zgrarem2 = zgraztot * ( 1. - zepsherv - unass2 ) & |
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| 164 | & + ( 1. - epsher2 - unass2 ) / ( 1. - epsher2 ) * ztortz2 |
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| 165 | zgrafer2 = zgraztot * MAX( 0. , ( 1. - unass2 ) * zgrasrat - ferat3 * zepsherv ) & |
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| 166 | & + ferat3 * ( ( 1. - epsher2 - unass2 ) /( 1. - epsher2 ) * ztortz2 ) |
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[3443] | 167 | zgrapoc2 = zgraztot * unass2 |
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| 168 | |
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| 169 | ! Update the arrays TRA which contain the biological sources and sinks |
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| 170 | zgrarsig = zgrarem2 * sigma2 |
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| 171 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + zgrarsig |
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| 172 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zgrarsig |
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| 173 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zgrarem2 - zgrarsig |
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[7646] | 174 | ! |
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| 175 | IF( ln_ligand ) tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + (zgrarem2 - zgrarsig) * ldocz |
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| 176 | ! |
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[3443] | 177 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2ut * zgrarsig |
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| 178 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zgrafer2 |
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| 179 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrarsig |
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| 180 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zgrarsig |
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[4148] | 181 | |
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[3443] | 182 | zmortz2 = ztortz2 + zrespz2 |
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[4521] | 183 | zmortzgoc = unass2 / ( 1. - epsher2 ) * ztortz2 + zrespz2 |
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[3443] | 184 | tra(ji,jj,jk,jpmes) = tra(ji,jj,jk,jpmes) - zmortz2 + zepsherv * zgraztot |
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| 185 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) - zgrazd |
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| 186 | tra(ji,jj,jk,jpzoo) = tra(ji,jj,jk,jpzoo) - zgrazz |
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| 187 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) - zgrazn |
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[5385] | 188 | tra(ji,jj,jk,jpnch) = tra(ji,jj,jk,jpnch) - zgrazn * trb(ji,jj,jk,jpnch) / ( trb(ji,jj,jk,jpphy) + rtrn ) |
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| 189 | tra(ji,jj,jk,jpdch) = tra(ji,jj,jk,jpdch) - zgrazd * trb(ji,jj,jk,jpdch) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
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| 190 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) - zgrazd * trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
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| 191 | tra(ji,jj,jk,jpgsi) = tra(ji,jj,jk,jpgsi) + zgrazd * trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
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[3443] | 192 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) - zgraznf |
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| 193 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) - zgrazf |
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| 194 | |
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[4529] | 195 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zgrazpoc - zgrazffep + zfrac |
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[7646] | 196 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfrac |
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| 197 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
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[4529] | 198 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zmortzgoc - zgrazffeg + zgrapoc2 - zfrac |
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[7646] | 199 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zmortzgoc + zgrapoc2 |
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| 200 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfrac |
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[4529] | 201 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zgrazpof - zgrazfffp + zfracfe |
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| 202 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + ferat3 * zmortzgoc - zgrazfffg & |
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| 203 | & + zgraztotf * unass2 - zfracfe |
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[7646] | 204 | zfracal = trb(ji,jj,jk,jpcal) / (trb(ji,jj,jk,jppoc) + trb(ji,jj,jk,jpgoc) + rtrn ) |
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| 205 | zgrazcal = (zgrazffeg + zgrazpoc) * (1. - part2) * zfracal |
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| 206 | ! calcite production |
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| 207 | zprcaca = xfracal(ji,jj,jk) * zgrazn |
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| 208 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
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| 209 | ! |
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| 210 | zprcaca = part2 * zprcaca |
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| 211 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrazcal - zprcaca |
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| 212 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) - 2. * ( zgrazcal + zprcaca ) |
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| 213 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal) - zgrazcal + zprcaca |
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[3443] | 214 | END DO |
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| 215 | END DO |
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| 216 | END DO |
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| 217 | ! |
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[5385] | 218 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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[9125] | 219 | ALLOCATE( zw3d(jpi,jpj,jpk) ) |
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[4996] | 220 | IF( iom_use( "GRAZ2" ) ) THEN |
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[7753] | 221 | zw3d(:,:,:) = zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Total grazing of phyto by zooplankton |
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[4996] | 222 | CALL iom_put( "GRAZ2", zw3d ) |
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| 223 | ENDIF |
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| 224 | IF( iom_use( "PCAL" ) ) THEN |
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[7753] | 225 | zw3d(:,:,:) = prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Calcite production |
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[4996] | 226 | CALL iom_put( "PCAL", zw3d ) |
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| 227 | ENDIF |
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[9125] | 228 | DEALLOCATE( zw3d ) |
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[3443] | 229 | ENDIF |
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| 230 | ! |
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| 231 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 232 | WRITE(charout, FMT="('meso')") |
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| 233 | CALL prt_ctl_trc_info(charout) |
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| 234 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 235 | ENDIF |
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| 236 | ! |
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[9124] | 237 | IF( ln_timing ) CALL timing_stop('p4z_meso') |
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[3443] | 238 | ! |
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| 239 | END SUBROUTINE p4z_meso |
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| 240 | |
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[9124] | 241 | |
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[3443] | 242 | SUBROUTINE p4z_meso_init |
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| 243 | !!---------------------------------------------------------------------- |
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| 244 | !! *** ROUTINE p4z_meso_init *** |
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| 245 | !! |
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| 246 | !! ** Purpose : Initialization of mesozooplankton parameters |
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| 247 | !! |
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| 248 | !! ** Method : Read the nampismes namelist and check the parameters |
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| 249 | !! called at the first timestep (nittrc000) |
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| 250 | !! |
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| 251 | !! ** input : Namelist nampismes |
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| 252 | !!---------------------------------------------------------------------- |
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[9124] | 253 | INTEGER :: ios ! Local integer |
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| 254 | ! |
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[7646] | 255 | NAMELIST/namp4zmes/ part2, grazrat2, resrat2, mzrat2, xprefc, xprefp, xprefz, & |
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[3443] | 256 | & xprefpoc, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
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| 257 | & xthresh2, xkgraz2, epsher2, sigma2, unass2, grazflux |
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[9124] | 258 | !!---------------------------------------------------------------------- |
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| 259 | ! |
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[9169] | 260 | IF(lwp) THEN |
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| 261 | WRITE(numout,*) |
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| 262 | WRITE(numout,*) 'p4z_meso_init : Initialization of mesozooplankton parameters' |
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| 263 | WRITE(numout,*) '~~~~~~~~~~~~~' |
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| 264 | ENDIF |
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| 265 | ! |
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[4147] | 266 | REWIND( numnatp_ref ) ! Namelist nampismes in reference namelist : Pisces mesozooplankton |
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[7646] | 267 | READ ( numnatp_ref, namp4zmes, IOSTAT = ios, ERR = 901) |
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[9169] | 268 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zmes in reference namelist', lwp ) |
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[4147] | 269 | REWIND( numnatp_cfg ) ! Namelist nampismes in configuration namelist : Pisces mesozooplankton |
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[7646] | 270 | READ ( numnatp_cfg, namp4zmes, IOSTAT = ios, ERR = 902 ) |
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[9169] | 271 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp4zmes in configuration namelist', lwp ) |
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| 272 | IF(lwm) WRITE( numonp, namp4zmes ) |
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[9124] | 273 | ! |
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[3443] | 274 | IF(lwp) THEN ! control print |
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[9169] | 275 | WRITE(numout,*) ' Namelist : namp4zmes' |
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| 276 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 =', part2 |
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| 277 | WRITE(numout,*) ' mesozoo preference for phyto xprefc =', xprefc |
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| 278 | WRITE(numout,*) ' mesozoo preference for POC xprefp =', xprefp |
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| 279 | WRITE(numout,*) ' mesozoo preference for zoo xprefz =', xprefz |
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| 280 | WRITE(numout,*) ' mesozoo preference for poc xprefpoc =', xprefpoc |
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| 281 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo =', xthresh2zoo |
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| 282 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia =', xthresh2dia |
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| 283 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy =', xthresh2phy |
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| 284 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc =', xthresh2poc |
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| 285 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 =', xthresh2 |
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| 286 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 =', resrat2 |
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| 287 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 =', mzrat2 |
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| 288 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 =', grazrat2 |
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| 289 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux =', grazflux |
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| 290 | WRITE(numout,*) ' non assimilated fraction of P by mesozoo unass2 =', unass2 |
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| 291 | WRITE(numout,*) ' Efficicency of Mesozoo growth epsher2 =', epsher2 |
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| 292 | WRITE(numout,*) ' Fraction of mesozoo excretion as DOM sigma2 =', sigma2 |
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| 293 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 =', xkgraz2 |
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[3443] | 294 | ENDIF |
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[9124] | 295 | ! |
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[3443] | 296 | END SUBROUTINE p4z_meso_init |
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| 297 | |
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| 298 | !!====================================================================== |
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[5656] | 299 | END MODULE p4zmeso |
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