| 1 | MODULE p5zmeso |
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| 2 | !!====================================================================== |
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| 3 | !! *** MODULE p5zmeso *** |
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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 | !! 3.6 ! 2015-05 (O. Aumont) PISCES quota |
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| 10 | !!---------------------------------------------------------------------- |
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| 11 | !! p5z_meso : Compute the sources/sinks for mesozooplankton |
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| 12 | !! p5z_meso_init : Initialization of the parameters for mesozooplankton |
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| 13 | !!---------------------------------------------------------------------- |
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| 14 | USE oce_trc ! shared variables between ocean and passive tracers |
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| 15 | USE trc ! passive tracers common variables |
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| 16 | USE sms_pisces ! PISCES Source Minus Sink variables |
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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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| 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 p5z_meso ! called in p5zbio.F90 |
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| 24 | PUBLIC p5z_meso_init ! called in trcsms_pisces.F90 |
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| 25 | |
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| 26 | !! * Shared module variables |
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| 27 | REAL(wp), PUBLIC :: part2 !: part of calcite not dissolved in mesozoo guts |
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| 28 | REAL(wp), PUBLIC :: xpref2c !: mesozoo preference for POC |
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| 29 | REAL(wp), PUBLIC :: xpref2p !: mesozoo preference for nanophyto |
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| 30 | REAL(wp), PUBLIC :: xpref2z !: mesozoo preference for zooplankton |
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| 31 | REAL(wp), PUBLIC :: xpref2d !: mesozoo preference for Diatoms |
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| 32 | REAL(wp), PUBLIC :: xpref2m !: mesozoo preference for mesozoo |
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| 33 | REAL(wp), PUBLIC :: xthresh2zoo !: zoo feeding threshold for mesozooplankton |
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| 34 | REAL(wp), PUBLIC :: xthresh2dia !: diatoms feeding threshold for mesozooplankton |
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| 35 | REAL(wp), PUBLIC :: xthresh2phy !: nanophyto feeding threshold for mesozooplankton |
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| 36 | REAL(wp), PUBLIC :: xthresh2poc !: poc feeding threshold for mesozooplankton |
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| 37 | REAL(wp), PUBLIC :: xthresh2mes !: mesozoo feeding threshold for mesozooplankton |
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| 38 | REAL(wp), PUBLIC :: xthresh2 !: feeding threshold for mesozooplankton |
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| 39 | REAL(wp), PUBLIC :: resrat2 !: exsudation rate of mesozooplankton |
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| 40 | REAL(wp), PUBLIC :: mzrat2 !: microzooplankton mortality rate |
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| 41 | REAL(wp), PUBLIC :: grazrat2 !: maximal mesozoo grazing rate |
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| 42 | REAL(wp), PUBLIC :: xkgraz2 !: non assimilated fraction of P by mesozoo |
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| 43 | REAL(wp), PUBLIC :: unass2c !: Efficicency of mesozoo growth |
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| 44 | REAL(wp), PUBLIC :: unass2n !: Efficicency of mesozoo growth |
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| 45 | REAL(wp), PUBLIC :: unass2p !: Efficicency of mesozoo growth |
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| 46 | REAL(wp), PUBLIC :: epsher2 !: half sturation constant for grazing 2 |
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| 47 | REAL(wp), PUBLIC :: ssigma2 !: Fraction excreted as semi-labile DOM |
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| 48 | REAL(wp), PUBLIC :: srespir2 !: Active respiration |
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| 49 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
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| 50 | LOGICAL, PUBLIC :: bmetexc2 !: Use of excess carbon for respiration |
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| 51 | |
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| 52 | !!---------------------------------------------------------------------- |
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| 53 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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| 54 | !! $Id: p4zmeso.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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| 55 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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| 56 | !!---------------------------------------------------------------------- |
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| 57 | |
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| 58 | CONTAINS |
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| 59 | |
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| 60 | SUBROUTINE p5z_meso( kt, knt ) |
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| 61 | !!--------------------------------------------------------------------- |
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| 62 | !! *** ROUTINE p5z_meso *** |
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| 63 | !! |
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| 64 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
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| 65 | !! |
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| 66 | !! ** Method : - ??? |
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| 67 | !!--------------------------------------------------------------------- |
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| 68 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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| 69 | INTEGER :: ji, jj, jk |
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| 70 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam, zcompames |
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| 71 | REAL(wp) :: zgraze2, zdenom, zfact, zfood, zfoodlim, zproport |
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| 72 | REAL(wp) :: zmortzgoc, zfracc, zfracn, zfracp, zfracfe, zratio, zratio2 |
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| 73 | REAL(wp) :: zepsherf, zepshert, zepsherv, zrespirc, zrespirn, zrespirp, zbasresb, zbasresi |
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| 74 | REAL(wp) :: zgraztotc, zgraztotn, zgraztotp, zgraztotf, zbasresn, zbasresp, zbasresf |
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| 75 | REAL(wp) :: zgradoc, zgradon, zgradop, zgratmp, zgradoct, zgradont, zgrareft, zgradopt |
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| 76 | REAL(wp) :: zgrapoc, zgrapon, zgrapop, zgrapof, zprcaca, zmortz |
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| 77 | REAL(wp) :: zexcess, zgrarem, zgraren, zgrarep, zgraref |
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| 78 | REAL(wp) :: zbeta, zrespz, ztortz, zgrasratp, zgrasratn, zgrasratf |
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| 79 | REAL(wp) :: ztmp1, ztmp2, ztmp3, ztmp4, ztmp5, ztmptot |
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| 80 | REAL(wp) :: zgrazdc, zgrazz, zgrazm, zgrazpof, zgrazcal, zfracal |
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| 81 | REAL(wp) :: zgraznc, zgrazpoc, zgrazpon, zgrazpop, zgraznf, zgrazdf |
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| 82 | REAL(wp) :: zgraznp, zgraznn, zgrazdn, zgrazdp |
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| 83 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
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| 84 | REAL(wp) :: zgrazffnp, zgrazffng, zgrazffpp, zgrazffpg |
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| 85 | CHARACTER (len=25) :: charout |
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| 86 | REAL(wp) :: zrfact2, zmetexcess |
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| 87 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing, zw3d |
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| 88 | |
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| 89 | !!--------------------------------------------------------------------- |
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| 90 | ! |
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| 91 | IF( nn_timing == 1 ) CALL timing_start('p5z_meso') |
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| 92 | ! |
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| 93 | zgrazing(:,:,:) = 0._wp |
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| 94 | |
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| 95 | zmetexcess = 0.0 |
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| 96 | IF ( bmetexc2 ) zmetexcess = 1.0 |
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| 97 | |
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| 98 | DO jk = 1, jpkm1 |
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| 99 | DO jj = 1, jpj |
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| 100 | DO ji = 1, jpi |
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| 101 | zcompam = MAX( ( trb(ji,jj,jk,jpmes) - 1.e-9 ), 0.e0 ) |
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| 102 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
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| 103 | |
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| 104 | ! Michaelis-Menten mortality rates of mesozooplankton |
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| 105 | ! --------------------------------------------------- |
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| 106 | zrespz = resrat2 * zfact * ( trb(ji,jj,jk,jpmes) / ( xkmort + trb(ji,jj,jk,jpmes) ) & |
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| 107 | & + 3. * nitrfac(ji,jj,jk) ) |
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| 108 | |
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| 109 | ! Zooplankton mortality. A square function has been selected with |
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| 110 | ! no real reason except that it seems to be more stable and may mimic predation |
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| 111 | ! --------------------------------------------------------------- |
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| 112 | ztortz = mzrat2 * 1.e6 * zfact * trb(ji,jj,jk,jpmes) |
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| 113 | |
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| 114 | ! Computation of the abundance of the preys |
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| 115 | ! A threshold can be specified in the namelist |
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| 116 | ! -------------------------------------------- |
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| 117 | zcompadi = MAX( ( trb(ji,jj,jk,jpdia) - xthresh2dia ), 0.e0 ) |
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| 118 | zcompaz = MAX( ( trb(ji,jj,jk,jpzoo) - xthresh2zoo ), 0.e0 ) |
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| 119 | zcompaph = MAX( ( trb(ji,jj,jk,jpphy) - xthresh2phy ), 0.e0 ) |
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| 120 | zcompapoc = MAX( ( trb(ji,jj,jk,jppoc) - xthresh2poc ), 0.e0 ) |
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| 121 | zcompames = MAX( ( trb(ji,jj,jk,jpmes) - xthresh2mes ), 0.e0 ) |
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| 122 | |
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| 123 | ! Mesozooplankton grazing |
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| 124 | ! ------------------------ |
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| 125 | zfood = xpref2d * zcompadi + xpref2z * zcompaz + xpref2p * zcompaph + xpref2c * zcompapoc & |
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| 126 | & + xpref2m * zcompames |
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| 127 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
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| 128 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
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| 129 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpmes) |
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| 130 | |
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| 131 | ! An active switching parameterization is used here. |
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| 132 | ! We don't use the KTW parameterization proposed by |
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| 133 | ! Vallina et al. because it tends to produce to steady biomass |
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| 134 | ! composition and the variance of Chl is too low as it grazes |
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| 135 | ! too strongly on winning organisms. Thus, instead of a square |
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| 136 | ! a 1.5 power value is used which decreases the pressure on the |
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| 137 | ! most abundant species |
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| 138 | ! ------------------------------------------------------------ |
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| 139 | ztmp1 = xpref2p * zcompaph**1.5 |
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| 140 | ztmp2 = xpref2m * zcompames**1.5 |
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| 141 | ztmp3 = xpref2c * zcompapoc**1.5 |
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| 142 | ztmp4 = xpref2d * zcompadi**1.5 |
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| 143 | ztmp5 = xpref2z * zcompaz**1.5 |
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| 144 | ztmptot = ztmp1 + ztmp2 + ztmp3 + ztmp4 + ztmp5 + rtrn |
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| 145 | ztmp1 = ztmp1 / ztmptot |
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| 146 | ztmp2 = ztmp2 / ztmptot |
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| 147 | ztmp3 = ztmp3 / ztmptot |
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| 148 | ztmp4 = ztmp4 / ztmptot |
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| 149 | ztmp5 = ztmp5 / ztmptot |
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| 150 | |
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| 151 | ! Mesozooplankton regular grazing on the different preys |
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| 152 | ! ------------------------------------------------------ |
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| 153 | zgrazdc = zgraze2 * ztmp4 * zdenom |
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| 154 | zgrazdn = zgrazdc * trb(ji,jj,jk,jpndi) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 155 | zgrazdp = zgrazdc * trb(ji,jj,jk,jppdi) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 156 | zgrazdf = zgrazdc * trb(ji,jj,jk,jpdfe) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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| 157 | zgrazz = zgraze2 * ztmp5 * zdenom |
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| 158 | zgrazm = zgraze2 * ztmp2 * zdenom |
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| 159 | zgraznc = zgraze2 * ztmp1 * zdenom |
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| 160 | zgraznn = zgraznc * trb(ji,jj,jk,jpnph) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 161 | zgraznp = zgraznc * trb(ji,jj,jk,jppph) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 162 | zgraznf = zgraznc * trb(ji,jj,jk,jpnfe) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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| 163 | zgrazpoc = zgraze2 * ztmp3 * zdenom |
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| 164 | zgrazpon = zgrazpoc * trb(ji,jj,jk,jppon) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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| 165 | zgrazpop = zgrazpoc * trb(ji,jj,jk,jppop) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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| 166 | zgrazpof = zgrazpoc * trb(ji,jj,jk,jpsfe) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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| 167 | |
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| 168 | ! Mesozooplankton flux feeding on GOC |
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| 169 | ! ---------------------------------- |
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| 170 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
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| 171 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) |
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| 172 | zgrazfffg = zgrazffeg * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 173 | zgrazffng = zgrazffeg * trb(ji,jj,jk,jpgon) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 174 | zgrazffpg = zgrazffeg * trb(ji,jj,jk,jpgop) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 175 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
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| 176 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpmes) |
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| 177 | zgrazfffp = zgrazffep * trb(ji,jj,jk,jpsfe) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 178 | zgrazffnp = zgrazffep * trb(ji,jj,jk,jppon) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 179 | zgrazffpp = zgrazffep * trb(ji,jj,jk,jppop) / (trb(ji,jj,jk,jppoc) + rtrn) |
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| 180 | ! |
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| 181 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
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| 182 | |
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| 183 | ! Compute the proportion of filter feeders |
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| 184 | ! ---------------------------------------- |
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| 185 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztotc) |
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| 186 | |
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| 187 | ! Compute fractionation of aggregates. It is assumed that |
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| 188 | ! diatoms based aggregates are more prone to fractionation |
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| 189 | ! since they are more porous (marine snow instead of fecal pellets) |
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| 190 | ! ---------------------------------------------------------------- |
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| 191 | zratio = trb(ji,jj,jk,jpgsi) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
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| 192 | zratio2 = zratio * zratio |
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| 193 | zfracc = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
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| 194 | & * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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| 195 | & * ( 0.2 + 3.8 * zratio2 / ( 1.**2 + zratio2 ) ) |
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| 196 | zfracfe = zfracc * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 197 | zfracn = zfracc * trb(ji,jj,jk,jpgon) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 198 | zfracp = zfracc * trb(ji,jj,jk,jpgop) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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| 199 | |
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| 200 | zgrazffep = zproport * zgrazffep ; zgrazffeg = zproport * zgrazffeg |
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| 201 | zgrazfffp = zproport * zgrazfffp ; zgrazfffg = zproport * zgrazfffg |
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| 202 | zgrazffnp = zproport * zgrazffnp ; zgrazffng = zproport * zgrazffng |
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| 203 | zgrazffpp = zproport * zgrazffpp ; zgrazffpg = zproport * zgrazffpg |
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| 204 | |
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| 205 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
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| 206 | zgraztotf = zgrazdf + zgraznf + ( zgrazz + zgrazm ) * ferat3 + zgrazpof & |
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| 207 | & + zgrazfffp + zgrazfffg |
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| 208 | zgraztotn = zgrazdn + (zgrazm + zgrazz) * no3rat3 + zgraznn + zgrazpon & |
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| 209 | & + zgrazffnp + zgrazffng |
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| 210 | zgraztotp = zgrazdp + (zgrazz + zgrazm) * po4rat3 + zgraznp + zgrazpop & |
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| 211 | & + zgrazffpp + zgrazffpg |
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| 212 | |
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| 213 | |
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| 214 | ! Total grazing ( grazing by microzoo is already computed in p5zmicro ) |
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| 215 | zgrazing(ji,jj,jk) = zgraztotc |
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| 216 | |
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| 217 | ! Stoichiometruc ratios of the food ingested by zooplanton |
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| 218 | ! -------------------------------------------------------- |
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| 219 | zgrasratf = (zgraztotf + rtrn) / ( zgraztotc + rtrn ) |
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| 220 | zgrasratn = (zgraztotn + rtrn) / ( zgraztotc + rtrn ) |
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| 221 | zgrasratp = (zgraztotp + rtrn) / ( zgraztotc + rtrn ) |
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| 222 | |
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| 223 | ! Growth efficiency is made a function of the quality |
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| 224 | ! and the quantity of the preys |
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| 225 | ! --------------------------------------------------- |
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| 226 | zepshert = MIN( 1., zgrasratn/ no3rat3, zgrasratp/ po4rat3, zgrasratf / ferat3) |
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| 227 | zbeta = 1./ (epsher2 - 0.2) |
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| 228 | zepsherf = 0.2 + 1./ (zbeta + 0.04 * 12. * zfood *1E6 ) |
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| 229 | zepsherv = zepsherf * zepshert |
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| 230 | |
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| 231 | ! Respiration of mesozooplankton |
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| 232 | ! Excess carbon in the food is used preferentially |
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| 233 | ! ---------------- ------------------------------ |
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| 234 | zexcess = zgraztotc * zepsherf * (1.0 - zepshert) * zmetexcess |
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| 235 | zbasresb = MAX(0., zrespz - zexcess) |
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| 236 | zbasresi = zexcess + MIN(0., zrespz - zexcess) |
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| 237 | zrespirc = srespir2 * zepsherv * zgraztotc + zbasresb |
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| 238 | |
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| 239 | ! When excess carbon is used, the other elements in excess |
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| 240 | ! are also used proportionally to their abundance |
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| 241 | ! -------------------------------------------------------- |
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| 242 | zexcess = ( zgrasratn/ no3rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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| 243 | zbasresn = zbasresi * zexcess * zgrasratn |
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| 244 | zexcess = ( zgrasratp/ po4rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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| 245 | zbasresp = zbasresi * zexcess * zgrasratp |
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| 246 | zexcess = ( zgrasratf/ ferat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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| 247 | zbasresf = zbasresi * zexcess * zgrasratf |
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| 248 | |
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| 249 | ! Voiding of the excessive elements as organic matter |
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| 250 | ! -------------------------------------------------------- |
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| 251 | zgradoct = (1. - unass2c - zepsherv) * zgraztotc - zbasresi |
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| 252 | zgradont = (1. - unass2n) * zgraztotn - zepsherv * no3rat3 * zgraztotc - zbasresn |
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| 253 | zgradopt = (1. - unass2p) * zgraztotp - zepsherv * po4rat3 * zgraztotc - zbasresp |
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| 254 | zgrareft = (1. - unass2c) * zgraztotf - zepsherv * ferat3 * zgraztotc - zbasresf |
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| 255 | ztmp1 = ( 1. - epsher2 - unass2c ) /( 1. - 0.8 * epsher2 ) * ztortz |
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| 256 | zgradoc = (zgradoct + ztmp1) * ssigma2 |
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| 257 | zgradon = (zgradont + no3rat3 * ztmp1) * ssigma2 |
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| 258 | zgradop = (zgradopt + po4rat3 * ztmp1) * ssigma2 |
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| 259 | zgratmp = 0.2 * epsher2 /( 1. - 0.8 * epsher2 ) * ztortz |
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| 260 | |
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| 261 | ! Since only semilabile DOM is represented in PISCES |
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| 262 | ! part of DOM is in fact labile and is then released |
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| 263 | ! as dissolved inorganic compounds (ssigma2) |
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| 264 | ! -------------------------------------------------- |
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| 265 | zgrarem = zgratmp + ( zgradoct + ztmp1 ) * (1.0 - ssigma2) |
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| 266 | zgraren = no3rat3 * zgratmp + ( zgradont + no3rat3 * ztmp1 ) * (1.0 - ssigma2) |
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| 267 | zgrarep = po4rat3 * zgratmp + ( zgradopt + po4rat3 * ztmp1 ) * (1.0 - ssigma2) |
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| 268 | zgraref = zgrareft + ferat3 * ( ztmp1 + zgratmp ) |
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| 269 | |
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| 270 | ! Defecation as a result of non assimilated products |
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| 271 | ! -------------------------------------------------- |
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| 272 | zgrapoc = zgraztotc * unass2c + unass2c / ( 1. - 0.8 * epsher2 ) * ztortz |
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| 273 | zgrapon = zgraztotn * unass2n + no3rat3 * unass2n / ( 1. - 0.8 * epsher2 ) * ztortz |
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| 274 | zgrapop = zgraztotp * unass2p + po4rat3 * unass2p / ( 1. - 0.8 * epsher2 ) * ztortz |
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| 275 | zgrapof = zgraztotf * unass2c + ferat3 * unass2c / ( 1. - 0.8 * epsher2 ) * ztortz |
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| 276 | |
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| 277 | ! Addition of respiration to the release of inorganic nutrients |
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| 278 | ! ------------------------------------------------------------- |
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| 279 | zgrarem = zgrarem + zbasresi + zrespirc |
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| 280 | zgraren = zgraren + zbasresn + zrespirc * no3rat3 |
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| 281 | zgrarep = zgrarep + zbasresp + zrespirc * po4rat3 |
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| 282 | zgraref = zgraref + zbasresf + zrespirc * ferat3 |
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| 283 | |
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| 284 | ! Update the arrays TRA which contain the biological sources and |
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| 285 | ! sinks |
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| 286 | ! -------------------------------------------------------------- |
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| 287 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + zgrarep |
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| 288 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zgraren |
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| 289 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zgradoc |
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| 290 | ! |
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| 291 | IF( ln_ligand ) tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + zgradoc * ldocz |
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| 292 | ! |
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| 293 | tra(ji,jj,jk,jpdon) = tra(ji,jj,jk,jpdon) + zgradon |
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| 294 | tra(ji,jj,jk,jpdop) = tra(ji,jj,jk,jpdop) + zgradop |
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| 295 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2ut * zgrarem |
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| 296 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zgraref |
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| 297 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrarem |
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| 298 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zgraren |
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| 299 | tra(ji,jj,jk,jpmes) = tra(ji,jj,jk,jpmes) + zepsherv * zgraztotc - zrespirc & |
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| 300 | & - ztortz - zgrazm |
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| 301 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) - zgrazdc |
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| 302 | tra(ji,jj,jk,jpndi) = tra(ji,jj,jk,jpndi) - zgrazdn |
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| 303 | tra(ji,jj,jk,jppdi) = tra(ji,jj,jk,jppdi) - zgrazdp |
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| 304 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) - zgrazdf |
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| 305 | tra(ji,jj,jk,jpzoo) = tra(ji,jj,jk,jpzoo) - zgrazz |
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| 306 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) - zgraznc |
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| 307 | tra(ji,jj,jk,jpnph) = tra(ji,jj,jk,jpnph) - zgraznn |
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| 308 | tra(ji,jj,jk,jppph) = tra(ji,jj,jk,jppph) - zgraznp |
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| 309 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) - zgraznf |
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| 310 | 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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| 311 | 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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| 312 | 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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| 313 | 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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| 314 | |
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| 315 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zgrazpoc - zgrazffep + zfracc |
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| 316 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfracc |
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| 317 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
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| 318 | tra(ji,jj,jk,jppon) = tra(ji,jj,jk,jppon) - zgrazpon - zgrazffnp + zfracn |
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| 319 | tra(ji,jj,jk,jppop) = tra(ji,jj,jk,jppop) - zgrazpop - zgrazffpp + zfracp |
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| 320 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) - zgrazffeg + zgrapoc - zfracc |
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| 321 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zgrapoc |
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| 322 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfracc |
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| 323 | tra(ji,jj,jk,jpgon) = tra(ji,jj,jk,jpgon) - zgrazffng + zgrapon - zfracn |
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| 324 | tra(ji,jj,jk,jpgop) = tra(ji,jj,jk,jpgop) - zgrazffpg + zgrapop - zfracp |
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| 325 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zgrazpof - zgrazfffp + zfracfe |
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| 326 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) - zgrazfffg + zgrapof - zfracfe |
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| 327 | zfracal = trb(ji,jj,jk,jpcal) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
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| 328 | zgrazcal = zgrazffeg * (1. - part2) * zfracal |
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| 329 | |
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| 330 | ! calcite production |
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| 331 | ! ------------------ |
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| 332 | zprcaca = xfracal(ji,jj,jk) * zgraznc |
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| 333 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
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| 334 | zprcaca = part2 * zprcaca |
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| 335 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrazcal - zprcaca |
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| 336 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + 2. * ( zgrazcal - zprcaca ) |
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| 337 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal) - zgrazcal + zprcaca |
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| 338 | END DO |
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| 339 | END DO |
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| 340 | END DO |
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| 341 | ! |
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| 342 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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| 343 | IF( iom_use( "GRAZ2" ) ) THEN |
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| 344 | zw3d(:,:,:) = zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Total grazing of phyto by zooplankton |
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| 345 | CALL iom_put( "GRAZ2", zw3d ) |
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| 346 | ENDIF |
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| 347 | IF( iom_use( "PCAL" ) ) THEN |
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| 348 | zw3d(:,:,:) = prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Calcite production |
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| 349 | CALL iom_put( "PCAL", zw3d ) |
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| 350 | ENDIF |
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| 351 | ENDIF |
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| 352 | ! |
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| 353 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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| 354 | WRITE(charout, FMT="('meso')") |
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| 355 | CALL prt_ctl_trc_info(charout) |
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| 356 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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| 357 | ENDIF |
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| 358 | ! |
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| 359 | ! |
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| 360 | IF( nn_timing == 1 ) CALL timing_stop('p5z_meso') |
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| 361 | ! |
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| 362 | END SUBROUTINE p5z_meso |
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| 363 | |
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| 364 | SUBROUTINE p5z_meso_init |
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| 365 | |
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| 366 | !!---------------------------------------------------------------------- |
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| 367 | !! *** ROUTINE p5z_meso_init *** |
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| 368 | !! |
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| 369 | !! ** Purpose : Initialization of mesozooplankton parameters |
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| 370 | !! |
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| 371 | !! ** Method : Read the nampismes namelist and check the parameters |
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| 372 | !! called at the first timestep (nittrc000) |
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| 373 | !! |
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| 374 | !! ** input : Namelist nampismes |
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| 375 | !! |
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| 376 | !!---------------------------------------------------------------------- |
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| 377 | |
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| 378 | NAMELIST/namp5zmes/part2, bmetexc2, grazrat2, resrat2, mzrat2, xpref2c, xpref2p, xpref2z, & |
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| 379 | & xpref2m, xpref2d, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
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| 380 | & xthresh2mes, xthresh2, xkgraz2, epsher2, ssigma2, unass2c, & |
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| 381 | & unass2n, unass2p, srespir2, grazflux |
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| 382 | |
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| 383 | INTEGER :: ios ! Local integer output status for namelist read |
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| 384 | |
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| 385 | REWIND( numnatp_ref ) ! Namelist nampismes in reference namelist : Pisces mesozooplankton |
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| 386 | READ ( numnatp_ref, namp5zmes, IOSTAT = ios, ERR = 901) |
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| 387 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampismes in reference namelist', lwp ) |
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| 388 | |
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| 389 | REWIND( numnatp_cfg ) ! Namelist nampismes in configuration namelist : Pisces mesozooplankton |
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| 390 | READ ( numnatp_cfg, namp5zmes, IOSTAT = ios, ERR = 902 ) |
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| 391 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampismes in configuration namelist', lwp ) |
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| 392 | IF(lwm) WRITE ( numonp, namp5zmes ) |
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| 393 | |
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| 394 | |
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| 395 | IF(lwp) THEN ! control print |
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| 396 | WRITE(numout,*) ' ' |
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| 397 | WRITE(numout,*) ' Namelist parameters for mesozooplankton, namp5zmes' |
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| 398 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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| 399 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 = ', part2 |
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| 400 | WRITE(numout,*) ' mesozoo preference for nano. xpref2p = ', xpref2p |
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| 401 | WRITE(numout,*) ' mesozoo preference for diatoms xpref2d = ', xpref2d |
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| 402 | WRITE(numout,*) ' mesozoo preference for zoo xpref2z = ', xpref2z |
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| 403 | WRITE(numout,*) ' mesozoo preference for mesozoo xpref2m = ', xpref2m |
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| 404 | WRITE(numout,*) ' mesozoo preference for poc xpref2c = ', xpref2c |
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| 405 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo = ', xthresh2zoo |
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| 406 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia = ', xthresh2dia |
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| 407 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy = ', xthresh2phy |
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| 408 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc = ', xthresh2poc |
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| 409 | WRITE(numout,*) ' mesozoo feeding threshold for mesozoo xthresh2mes = ', xthresh2mes |
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| 410 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 = ', xthresh2 |
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| 411 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 = ', resrat2 |
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| 412 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 = ', mzrat2 |
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| 413 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 = ', grazrat2 |
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| 414 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux = ', grazflux |
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| 415 | WRITE(numout,*) ' C egested fraction of food by mesozoo unass2c = ', unass2c |
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| 416 | WRITE(numout,*) ' C egested fraction of food by mesozoo unass2n = ', unass2n |
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| 417 | WRITE(numout,*) ' C egested fraction of food by mesozoo unass2p = ', unass2p |
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| 418 | WRITE(numout,*) ' Efficicency of Mesozoo growth epsher2 = ', epsher2 |
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| 419 | WRITE(numout,*) ' Fraction excreted as semi-labile DOM ssigma2 = ', ssigma2 |
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| 420 | WRITE(numout,*) ' Active respiration srespir2 = ', srespir2 |
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| 421 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 = ', xkgraz2 |
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| 422 | WRITE(numout,*) ' Use excess carbon for respiration bmetexc2 = ', bmetexc2 |
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| 423 | ENDIF |
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| 424 | |
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| 425 | |
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| 426 | END SUBROUTINE p5z_meso_init |
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| 427 | |
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| 428 | !!====================================================================== |
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| 429 | END MODULE p5zmeso |
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