| 1 | MODULE p5zmicro |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p5zmicro *** |
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| 4 | !! TOP : PISCES Compute the sources/sinks for microzooplankton |
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| 5 | !!====================================================================== |
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| 6 | !! History : 1.0 ! 2004 (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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| 11 | #if defined key_pisces_quota |
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| 12 | !!---------------------------------------------------------------------- |
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| 13 | !! 'key_pisces_quota' PISCES bio-model |
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| 14 | !!---------------------------------------------------------------------- |
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| 15 | !! p5z_micro : Compute the sources/sinks for microzooplankton |
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| 16 | !! p5z_micro_init : Initialize and read the appropriate namelist |
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| 17 | !!---------------------------------------------------------------------- |
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| 18 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 19 | USE trc ! passive tracers common variables |
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| 20 | USE sms_pisces ! PISCES Source Minus Sink variables |
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| 21 | USE p5zsink ! vertical flux of particulate matter due to sinking |
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| 22 | USE p5zlim ! Phytoplankton limitation terms |
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| 23 | USE iom ! I/O manager |
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| 24 | USE prtctl_trc ! print control for debugging |
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| 25 | |
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| 26 | IMPLICIT NONE |
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| 27 | PRIVATE |
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| 28 | |
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| 29 | PUBLIC p5z_micro ! called in p5zbio.F90 |
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| 30 | PUBLIC p5z_micro_init ! called in trcsms_pisces.F90 |
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| 31 | |
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| 32 | !! * Shared module variables |
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| 33 | REAL(wp), PUBLIC :: part !: part of calcite not dissolved in microzoo guts |
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| 34 | REAL(wp), PUBLIC :: xprefc !: microzoo preference for POC |
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| 35 | REAL(wp), PUBLIC :: xprefn !: microzoo preference for nanophyto |
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| 36 | REAL(wp), PUBLIC :: xprefp !: microzoo preference for picophyto |
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| 37 | REAL(wp), PUBLIC :: xprefd !: microzoo preference for diatoms |
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| 38 | REAL(wp), PUBLIC :: xprefz !: microzoo preference for microzoo |
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| 39 | REAL(wp), PUBLIC :: xthreshdia !: diatoms feeding threshold for microzooplankton |
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| 40 | REAL(wp), PUBLIC :: xthreshpic !: picophyto feeding threshold for microzooplankton |
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| 41 | REAL(wp), PUBLIC :: xthreshphy !: nanophyto threshold for microzooplankton |
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| 42 | REAL(wp), PUBLIC :: xthreshzoo !: microzoo threshold for microzooplankton |
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| 43 | REAL(wp), PUBLIC :: xthreshpoc !: poc threshold for microzooplankton |
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| 44 | REAL(wp), PUBLIC :: xthresh !: feeding threshold for microzooplankton |
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| 45 | REAL(wp), PUBLIC :: resrat !: exsudation rate of microzooplankton |
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| 46 | REAL(wp), PUBLIC :: mzrat !: microzooplankton mortality rate |
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| 47 | REAL(wp), PUBLIC :: grazrat !: maximal microzoo grazing rate |
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| 48 | REAL(wp), PUBLIC :: xkgraz !: non assimilated fraction of P by microzoo |
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| 49 | REAL(wp), PUBLIC :: unassc !: Efficicency of microzoo growth |
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| 50 | REAL(wp), PUBLIC :: unassn !: Efficicency of microzoo growth |
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| 51 | REAL(wp), PUBLIC :: unassp !: Efficicency of microzoo growth |
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| 52 | REAL(wp), PUBLIC :: epsher !: half sturation constant for grazing 1 |
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| 53 | REAL(wp), PUBLIC :: srespir !: half sturation constant for grazing 1 |
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| 54 | REAL(wp), PUBLIC :: ssigma !: Fraction excreted as semi-labile DOM |
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| 55 | LOGICAL, PUBLIC :: bmetexc !: Use of excess carbon for respiration |
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| 56 | |
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| 57 | |
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| 58 | !!* Substitution |
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| 59 | # include "top_substitute.h90" |
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| 60 | !!---------------------------------------------------------------------- |
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| 61 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 62 | !! $Id: p4zmicro.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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| 63 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 64 | !!---------------------------------------------------------------------- |
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| 65 | |
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| 66 | CONTAINS |
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| 67 | |
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| 68 | SUBROUTINE p5z_micro( kt, knt ) |
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| 69 | !!--------------------------------------------------------------------- |
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| 70 | !! *** ROUTINE p5z_micro *** |
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| 71 | !! |
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| 72 | !! ** Purpose : Compute the sources/sinks for microzooplankton |
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| 73 | !! |
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| 74 | !! ** Method : - ??? |
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| 75 | !!--------------------------------------------------------------------- |
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| 76 | INTEGER, INTENT(in) :: kt ! ocean time step |
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| 77 | INTEGER, INTENT(in) :: knt |
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| 78 | ! |
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| 79 | INTEGER :: ji, jj, jk |
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| 80 | REAL(wp) :: zcompadi, zcompaz , zcompaph, zcompapoc, zcompapon, zcompapop |
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| 81 | REAL(wp) :: zcompapi, zgraze , zdenom, zfact, zstep, zfood, zfoodlim |
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| 82 | REAL(wp) :: ztmp1, ztmp2, ztmp3, ztmp4, ztmp5, ztmptot |
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| 83 | REAL(wp) :: zepsherf, zepshert, zepsherv, zrespirc, zrespirn, zrespirp, zbasresb, zbasresi |
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| 84 | REAL(wp) :: zgraztotc, zgraztotn, zgraztotp, zgraztotf, zbasresn, zbasresp, zbasresf |
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| 85 | REAL(wp) :: zgradoc, zgradon, zgradop, zgraref, zgradoct, zgradont, zgradopt, zgrareft |
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| 86 | REAL(wp) :: zexcess, zgraren, zgrarep, zgrarem, zfracal, zgrazcal |
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| 87 | REAL(wp) :: zgrapoc, zgrapon, zgrapop, zgrapof, zprcaca, zmortz |
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| 88 | REAL(wp) :: zrespz, ztortz, zgrasratf, zgrasratn, zgrasratp |
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| 89 | REAL(wp) :: zgraznc, zgraznn, zgraznp, zgrazpoc, zgrazpon, zgrazpop, zgrazpof |
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| 90 | REAL(wp) :: zgrazdc, zgrazdn, zgrazdp, zgrazdf, zgraznf, zgrazz |
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| 91 | REAL(wp) :: zgrazpc, zgrazpn, zgrazpp, zgrazpf, zbeta, zrfact2, zmetexcess |
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| 92 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zgrazing, zw3d |
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| 93 | CHARACTER (len=25) :: charout |
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| 94 | !!--------------------------------------------------------------------- |
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| 95 | ! |
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| 96 | IF( nn_timing == 1 ) CALL timing_start('p5z_micro') |
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| 97 | ! |
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| 98 | IF( lk_iomput ) CALL wrk_alloc( jpi, jpj, jpk, zgrazing ) |
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| 99 | ! |
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| 100 | zmetexcess = 0.0 |
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| 101 | IF ( bmetexc ) zmetexcess = 1.0 |
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| 102 | ! |
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| 103 | DO jk = 1, jpkm1 |
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| 104 | DO jj = 1, jpj |
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| 105 | DO ji = 1, jpi |
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| 106 | zcompaz = MAX( ( trb(ji,jj,jk,jpzoo) - 1.e-9 ), 0.e0 ) |
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| 107 | zstep = xstep |
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| 108 | # if defined key_degrad |
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| 109 | zstep = zstep * facvol(ji,jj,jk) |
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| 110 | # endif |
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| 111 | zfact = zstep * tgfunc2(ji,jj,jk) * zcompaz |
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| 112 | |
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| 113 | ! Michaelis-Menten mortality rates of microzooplankton |
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| 114 | ! ----------------------------------------------------- |
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| 115 | zrespz = resrat * zfact * ( trb(ji,jj,jk,jpzoo) / ( xkmort + trb(ji,jj,jk,jpzoo) ) & |
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| 116 | & + 3. * nitrfac(ji,jj,jk) ) |
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| 117 | |
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| 118 | ! Zooplankton mortality. A square function has been selected with |
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| 119 | ! no real reason except that it seems to be more stable and may mimic predation. |
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| 120 | ! ------------------------------------------------------------------------------ |
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| 121 | ztortz = mzrat * 1.e6 * zfact * trb(ji,jj,jk,jpzoo) |
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| 122 | |
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| 123 | ! Computation of the abundance of the preys |
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| 124 | ! A threshold can be specified in the namelist |
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| 125 | ! -------------------------------------------- |
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| 126 | zcompadi = MIN( MAX( ( trb(ji,jj,jk,jpdia) - xthreshdia ), 0.e0 ), xsizedia ) |
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| 127 | zcompaph = MAX( ( trb(ji,jj,jk,jpphy) - xthreshphy ), 0.e0 ) |
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| 128 | zcompaz = MAX( ( trb(ji,jj,jk,jpzoo) - xthreshzoo ), 0.e0 ) |
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| 129 | zcompapi = MAX( ( trb(ji,jj,jk,jppic) - xthreshpic ), 0.e0 ) |
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| 130 | zcompapoc = MAX( ( trb(ji,jj,jk,jppoc) - xthreshpoc ), 0.e0 ) |
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| 131 | |
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| 132 | ! Microzooplankton grazing |
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| 133 | ! ------------------------ |
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| 134 | zfood = xprefn * zcompaph + xprefc * zcompapoc + xprefd * zcompadi & |
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| 135 | & + xprefz * zcompaz + xprefp * zcompapi |
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| 136 | zfoodlim = MAX( 0. , zfood - min(xthresh,0.5*zfood) ) |
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| 137 | zdenom = zfoodlim / ( xkgraz + zfoodlim ) |
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| 138 | zgraze = grazrat * zstep * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpzoo) |
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| 139 | |
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| 140 | ! An active switching parameterization is used here. |
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| 141 | ! We don't use the KTW parameterization proposed by |
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| 142 | ! Vallina et al. because it tends to produce to steady biomass |
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| 143 | ! composition and the variance of Chl is too low as it grazes |
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| 144 | ! too strongly on winning organisms. Thus, instead of a square |
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| 145 | ! a 1.5 power value is used which decreases the pressure on the |
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| 146 | ! most abundant species |
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| 147 | ! ------------------------------------------------------------ |
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| 148 | ztmp1 = xprefn * zcompaph**1.5 |
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| 149 | ztmp2 = xprefp * zcompapi**1.5 |
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| 150 | ztmp3 = xprefc * zcompapoc**1.5 |
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| 151 | ztmp4 = xprefd * zcompadi**1.5 |
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| 152 | ztmp5 = xprefz * zcompaz**1.5 |
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| 153 | ztmptot = ztmp1 + ztmp2 + ztmp3 + ztmp4 + ztmp5 + rtrn |
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| 154 | ztmp1 = ztmp1 / ztmptot |
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| 155 | ztmp2 = ztmp2 / ztmptot |
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| 156 | ztmp3 = ztmp3 / ztmptot |
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| 157 | ztmp4 = ztmp4 / ztmptot |
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| 158 | ztmp5 = ztmp5 / ztmptot |
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| 159 | |
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| 160 | ! Microzooplankton regular grazing on the different preys |
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| 161 | ! ------------------------------------------------------- |
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| 162 | zgraznc = zgraze * ztmp1 * zdenom |
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| 163 | zgraznn = zgraznc * trb(ji,jj,jk,jpnph) / (trb(ji,jj,jk,jpphy) + rtrn) |
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| 164 | zgraznp = zgraznc * trb(ji,jj,jk,jppph) / (trb(ji,jj,jk,jpphy) + rtrn) |
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| 165 | zgraznf = zgraznc * trb(ji,jj,jk,jpnfe) / (trb(ji,jj,jk,jpphy) + rtrn) |
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| 166 | zgrazpc = zgraze * ztmp2 * zdenom |
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| 167 | zgrazpn = zgrazpc * trb(ji,jj,jk,jpnpi) / (trb(ji,jj,jk,jppic) + rtrn) |
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| 168 | zgrazpp = zgrazpc * trb(ji,jj,jk,jpppi) / (trb(ji,jj,jk,jppic) + rtrn) |
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| 169 | zgrazpf = zgrazpc * trb(ji,jj,jk,jppfe) / (trb(ji,jj,jk,jppic) + rtrn) |
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| 170 | zgrazz = zgraze * ztmp5 * zdenom |
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| 171 | zgrazpoc = zgraze * ztmp3 * zdenom |
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| 172 | zgrazpon = zgrazpoc * trb(ji,jj,jk,jppon) / ( trb(ji,jj,jk,jppoc) + rtrn ) |
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| 173 | zgrazpop = zgrazpoc * trb(ji,jj,jk,jppop) / ( trb(ji,jj,jk,jppoc) + rtrn ) |
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| 174 | zgrazdc = zgraze * ztmp4 * zdenom |
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| 175 | zgrazdn = zgrazdc * trb(ji,jj,jk,jpndi) / (trb(ji,jj,jk,jpdia) + rtrn) |
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| 176 | zgrazdp = zgrazdc * trb(ji,jj,jk,jppdi) / (trb(ji,jj,jk,jpdia) + rtrn) |
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| 177 | zgrazdf = zgrazdc * trb(ji,jj,jk,jpdfe) / (trb(ji,jj,jk,jpdia) + rtrn) |
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| 178 | zgrazpof = zgrazpoc* trb(ji,jj,jk,jpsfe) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 179 | ! |
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| 180 | zgraztotc = zgraznc + zgrazpoc + zgrazdc + zgrazz + zgrazpc |
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| 181 | zgraztotn = zgraznn + zgrazpn + zgrazpon + zgrazdn + zgrazz * no3rat3 |
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| 182 | zgraztotp = zgraznp + zgrazpp + zgrazpop + zgrazdp + zgrazz * po4rat3 |
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| 183 | zgraztotf = zgraznf + zgrazpf + zgrazpof + zgrazdf + zgrazz * ferat3 |
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| 184 | ! |
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| 185 | ! Grazing by microzooplankton |
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| 186 | IF( ln_diatrc .AND. lk_iomput ) zgrazing(ji,jj,jk) = zgraztotc |
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| 187 | |
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| 188 | ! Stoichiometruc ratios of the food ingested by zooplanton |
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| 189 | ! -------------------------------------------------------- |
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| 190 | zgrasratf = (zgraztotf + rtrn) / ( zgraztotc + rtrn ) |
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| 191 | zgrasratn = (zgraztotn + rtrn) / ( zgraztotc + rtrn ) |
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| 192 | zgrasratp = (zgraztotp + rtrn) / ( zgraztotc + rtrn ) |
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| 193 | |
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| 194 | ! Growth efficiency is made a function of the quality |
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| 195 | ! and the quantity of the preys |
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| 196 | ! --------------------------------------------------- |
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| 197 | zepshert = MIN( 1., zgrasratn/ no3rat3, zgrasratp/ po4rat3, zgrasratf / ferat3) |
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| 198 | zbeta = 1./ (epsher - 0.2) |
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| 199 | zepsherf = 0.2 + 1./ (zbeta + 0.04 * 12. * zfood * 1E6 ) |
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| 200 | zepsherv = zepsherf * zepshert |
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| 201 | |
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| 202 | ! Respiration of microzooplankton |
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| 203 | ! Excess carbon in the food is used preferentially |
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| 204 | ! ------------------------------------------------ |
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| 205 | zexcess = zgraztotc * zepsherf * (1.0 - zepshert) * zmetexcess |
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| 206 | zbasresb = MAX(0., zrespz - zexcess) |
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| 207 | zbasresi = zexcess + MIN(0., zrespz - zexcess) |
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| 208 | zrespirc = srespir * zepsherv * zgraztotc + zbasresb |
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| 209 | |
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| 210 | ! When excess carbon is used, the other elements in excess |
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| 211 | ! are also used proportionally to their abundance |
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| 212 | ! -------------------------------------------------------- |
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| 213 | zexcess = ( zgrasratn/ no3rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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| 214 | zbasresn = zbasresi * zexcess * zgrasratn |
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| 215 | zexcess = ( zgrasratp/ po4rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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| 216 | zbasresp = zbasresi * zexcess * zgrasratp |
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| 217 | zexcess = ( zgrasratf/ ferat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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| 218 | zbasresf = zbasresi * zexcess * zgrasratf |
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| 219 | |
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| 220 | ! Voiding of the excessive elements as DOM |
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| 221 | ! ---------------------------------------- |
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| 222 | zgradoct = (1. - unassc - zepsherv) * zgraztotc - zbasresi |
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| 223 | zgradont = (1. - unassn) * zgraztotn - zepsherv * no3rat3 * zgraztotc - zbasresn |
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| 224 | zgradopt = (1. - unassp) * zgraztotp - zepsherv * po4rat3 * zgraztotc - zbasresp |
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| 225 | zgrareft = (1. - unassc) * zgraztotf - zepsherv * ferat3 * zgraztotc - zbasresf |
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| 226 | |
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| 227 | ! Since only semilabile DOM is represented in PISCES |
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| 228 | ! part of DOM is in fact labile and is then released |
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| 229 | ! as dissolved inorganic compounds (ssigma) |
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| 230 | ! -------------------------------------------------- |
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| 231 | zgradoc = zgradoct * ssigma |
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| 232 | zgradon = zgradont * ssigma |
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| 233 | zgradop = zgradopt * ssigma |
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| 234 | zgrarem = (1.0 - ssigma) * zgradoct |
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| 235 | zgraren = (1.0 - ssigma) * zgradont |
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| 236 | zgrarep = (1.0 - ssigma) * zgradopt |
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| 237 | zgraref = zgrareft |
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| 238 | |
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| 239 | ! Defecation as a result of non assimilated products |
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| 240 | ! -------------------------------------------------- |
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| 241 | zgrapoc = zgraztotc * unassc |
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| 242 | zgrapon = zgraztotn * unassn |
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| 243 | zgrapop = zgraztotp * unassp |
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| 244 | zgrapof = zgraztotf * unassc |
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| 245 | |
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| 246 | ! Addition of respiration to the release of inorganic nutrients |
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| 247 | ! ------------------------------------------------------------- |
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| 248 | zgrarem = zgrarem + zbasresi + zrespirc |
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| 249 | zgraren = zgraren + zbasresn + zrespirc * no3rat3 |
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| 250 | zgrarep = zgrarep + zbasresp + zrespirc * po4rat3 |
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| 251 | zgraref = zgraref + zbasresf + zrespirc * ferat3 |
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| 252 | |
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| 253 | ! Update of the TRA arrays |
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| 254 | ! ------------------------ |
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| 255 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + zgrarep |
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| 256 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zgraren |
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| 257 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zgradoc |
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| 258 | #if defined key_ligand |
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| 259 | tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + zgradoc * ldocz |
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| 260 | #endif |
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| 261 | tra(ji,jj,jk,jpdon) = tra(ji,jj,jk,jpdon) + zgradon |
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| 262 | tra(ji,jj,jk,jpdop) = tra(ji,jj,jk,jpdop) + zgradop |
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| 263 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2ut * zgrarem |
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| 264 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zgraref |
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| 265 | tra(ji,jj,jk,jpzoo) = tra(ji,jj,jk,jpzoo) + zepsherv * zgraztotc - zrespirc & |
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| 266 | & - ztortz - zgrazz |
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| 267 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) - zgraznc |
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| 268 | tra(ji,jj,jk,jpnph) = tra(ji,jj,jk,jpnph) - zgraznn |
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| 269 | tra(ji,jj,jk,jppph) = tra(ji,jj,jk,jppph) - zgraznp |
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| 270 | tra(ji,jj,jk,jppic) = tra(ji,jj,jk,jppic) - zgrazpc |
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| 271 | tra(ji,jj,jk,jpnpi) = tra(ji,jj,jk,jpnpi) - zgrazpn |
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| 272 | tra(ji,jj,jk,jpppi) = tra(ji,jj,jk,jpppi) - zgrazpp |
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| 273 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) - zgrazdc |
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| 274 | tra(ji,jj,jk,jpndi) = tra(ji,jj,jk,jpndi) - zgrazdn |
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| 275 | tra(ji,jj,jk,jppdi) = tra(ji,jj,jk,jppdi) - zgrazdp |
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| 276 | tra(ji,jj,jk,jpnch) = tra(ji,jj,jk,jpnch) - zgraznc * trb(ji,jj,jk,jpnch)/(trb(ji,jj,jk,jpphy)+rtrn) |
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| 277 | tra(ji,jj,jk,jppch) = tra(ji,jj,jk,jppch) - zgrazpc * trb(ji,jj,jk,jppch)/(trb(ji,jj,jk,jppic)+rtrn) |
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| 278 | tra(ji,jj,jk,jpdch) = tra(ji,jj,jk,jpdch) - zgrazdc * trb(ji,jj,jk,jpdch)/(trb(ji,jj,jk,jpdia)+rtrn) |
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| 279 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) - zgrazdc * trb(ji,jj,jk,jpdsi)/(trb(ji,jj,jk,jpdia)+rtrn) |
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| 280 | tra(ji,jj,jk,jpgsi) = tra(ji,jj,jk,jpgsi) + zgrazdc * trb(ji,jj,jk,jpdsi)/(trb(ji,jj,jk,jpdia)+rtrn) |
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| 281 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) - zgraznf |
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| 282 | tra(ji,jj,jk,jppfe) = tra(ji,jj,jk,jppfe) - zgrazpf |
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| 283 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) - zgrazdf |
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| 284 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + ztortz + zgrapoc - zgrazpoc |
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| 285 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + ztortz + zgrapoc |
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| 286 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc |
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| 287 | tra(ji,jj,jk,jppon) = tra(ji,jj,jk,jppon) + no3rat3 * ztortz + zgrapon - zgrazpon |
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| 288 | tra(ji,jj,jk,jppop) = tra(ji,jj,jk,jppop) + po4rat3 * ztortz + zgrapop - zgrazpop |
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| 289 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) + ferat3 * ztortz + zgrapof - zgrazpof |
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| 290 | #if defined key_kriest |
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| 291 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) + zgrapoc * xkr_dmicro |
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| 292 | #endif |
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| 293 | ! |
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| 294 | ! calcite production |
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| 295 | zprcaca = xfracal(ji,jj,jk) * zgraznc |
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| 296 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
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| 297 | ! |
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| 298 | zfracal = trb(ji,jj,jk,jpcal) / (trb(ji,jj,jk,jppoc) + trb(ji,jj,jk,jpgoc) + rtrn ) |
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| 299 | zgrazcal = zgrazpoc * (1. - part ) * zfracal |
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| 300 | zprcaca = part * zprcaca |
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| 301 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrarem - zprcaca + zgrazcal |
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| 302 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + 2. * ( zgrazcal - zprcaca ) & |
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| 303 | & + rno3 * zgraren |
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| 304 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal) + zprcaca - zgrazcal |
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| 305 | #if defined key_kriest |
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| 306 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) + ztortz * xkr_dmicro & |
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| 307 | - zgrazpoc * trb(ji,jj,jk,jpnum) / ( trb(ji,jj,jk,jppoc) + rtrn ) |
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| 308 | #endif |
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| 309 | END DO |
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| 310 | END DO |
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| 311 | END DO |
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| 312 | ! |
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| 313 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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| 314 | CALL wrk_alloc( jpi, jpj, jpk, zw3d ) |
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| 315 | IF( iom_use( "GRAZ1" ) ) THEN |
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| 316 | zw3d(:,:,:) = zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Total grazing of phyto by zooplankton |
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| 317 | CALL iom_put( "GRAZ1", zw3d ) |
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| 318 | ENDIF |
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| 319 | CALL wrk_dealloc( jpi, jpj, jpk, zw3d ) |
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| 320 | ENDIF |
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| 321 | ! |
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| 322 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 323 | WRITE(charout, FMT="('micro')") |
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| 324 | CALL prt_ctl_trc_info(charout) |
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| 325 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 326 | ENDIF |
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| 327 | ! |
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| 328 | IF( lk_iomput ) CALL wrk_dealloc( jpi, jpj, jpk, zgrazing ) |
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| 329 | ! |
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| 330 | IF( nn_timing == 1 ) CALL timing_stop('p5z_micro') |
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| 331 | ! |
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| 332 | END SUBROUTINE p5z_micro |
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| 333 | |
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| 334 | |
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| 335 | SUBROUTINE p5z_micro_init |
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| 336 | |
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| 337 | !!---------------------------------------------------------------------- |
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| 338 | !! *** ROUTINE p5z_micro_init *** |
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| 339 | !! |
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| 340 | !! ** Purpose : Initialization of microzooplankton parameters |
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| 341 | !! |
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| 342 | !! ** Method : Read the nampiszoo namelist and check the parameters |
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| 343 | !! called at the first timestep (nittrc000) |
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| 344 | !! |
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| 345 | !! ** input : Namelist nampiszoo |
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| 346 | !! |
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| 347 | !!---------------------------------------------------------------------- |
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| 348 | |
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| 349 | NAMELIST/nampiszoo/ part, grazrat, bmetexc, resrat, mzrat, xprefc, xprefn, & |
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| 350 | & xprefp, xprefd, xprefz, xthreshdia, xthreshphy, & |
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| 351 | & xthreshpic, xthreshpoc, xthreshzoo, xthresh, xkgraz, & |
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| 352 | & epsher, ssigma, srespir, unassc, unassn, unassp |
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| 353 | |
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| 354 | INTEGER :: ios ! Local integer output status for namelist read |
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| 355 | |
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| 356 | REWIND( numnatp_ref ) ! Namelist nampiszoo in reference namelist : Pisces microzooplankton |
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| 357 | READ ( numnatp_ref, nampiszoo, IOSTAT = ios, ERR = 901) |
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| 358 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampiszoo in reference namelist', lwp ) |
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| 359 | |
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| 360 | REWIND( numnatp_cfg ) ! Namelist nampiszoo in configuration namelist : Pisces microzooplankton |
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| 361 | READ ( numnatp_cfg, nampiszoo, IOSTAT = ios, ERR = 902 ) |
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| 362 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampiszoo in configuration namelist', lwp ) |
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| 363 | IF(lwm) WRITE ( numonp, nampiszoo ) |
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| 364 | |
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| 365 | IF(lwp) THEN ! control print |
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| 366 | WRITE(numout,*) ' ' |
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| 367 | WRITE(numout,*) ' Namelist parameters for microzooplankton, nampiszoo' |
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| 368 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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| 369 | WRITE(numout,*) ' part of calcite not dissolved in microzoo guts part =', part |
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| 370 | WRITE(numout,*) ' microzoo preference for POC xprefc =', xprefc |
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| 371 | WRITE(numout,*) ' microzoo preference for nano xprefn =', xprefn |
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| 372 | WRITE(numout,*) ' microzoo preference for pico xprefp =', xprefp |
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| 373 | WRITE(numout,*) ' microzoo preference for diatoms xprefd =', xprefd |
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| 374 | WRITE(numout,*) ' microzoo preference for microzoo xprefz =', xprefz |
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| 375 | WRITE(numout,*) ' diatoms feeding threshold for microzoo xthreshdia =', xthreshdia |
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| 376 | WRITE(numout,*) ' nanophyto feeding threshold for microzoo xthreshphy =', xthreshphy |
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| 377 | WRITE(numout,*) ' picophyto feeding threshold for microzoo xthreshpic =', xthreshpic |
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| 378 | WRITE(numout,*) ' poc feeding threshold for microzoo xthreshpoc =', xthreshpoc |
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| 379 | WRITE(numout,*) ' microzoo feeding threshold for microzoo xthreshzoo =', xthreshzoo |
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| 380 | WRITE(numout,*) ' feeding threshold for microzooplankton xthresh =', xthresh |
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| 381 | WRITE(numout,*) ' exsudation rate of microzooplankton resrat =', resrat |
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| 382 | WRITE(numout,*) ' microzooplankton mortality rate mzrat =', mzrat |
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| 383 | WRITE(numout,*) ' maximal microzoo grazing rate grazrat =', grazrat |
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| 384 | WRITE(numout,*) ' C egested fraction of fodd by microzoo unassc =', unassc |
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| 385 | WRITE(numout,*) ' N egested fraction of fodd by microzoo unassn =', unassn |
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| 386 | WRITE(numout,*) ' P egested fraction of fodd by microzoo unassp =', unassp |
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| 387 | WRITE(numout,*) ' Efficicency of microzoo growth epsher =', epsher |
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| 388 | WRITE(numout,*) ' Fraction excreted as semi-labile DOM ssigma =', ssigma |
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| 389 | WRITE(numout,*) ' Active respiration srespir =', srespir |
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| 390 | WRITE(numout,*) ' half sturation constant for grazing 1 xkgraz =', xkgraz |
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| 391 | WRITE(numout,*) ' Use of excess carbon for respiration bmetexc =', bmetexc |
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| 392 | ENDIF |
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| 393 | |
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| 394 | END SUBROUTINE p5z_micro_init |
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| 395 | |
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| 396 | #else |
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| 397 | !!====================================================================== |
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| 398 | !! Dummy module : No PISCES bio-model |
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| 399 | !!====================================================================== |
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| 400 | CONTAINS |
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| 401 | SUBROUTINE p5z_micro ! Empty routine |
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| 402 | END SUBROUTINE p5z_micro |
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| 403 | #endif |
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| 404 | |
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| 405 | !!====================================================================== |
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| 406 | END MODULE p5zmicro |
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