1 | MODULE p5zmeso |
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2 | !!====================================================================== |
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3 | !! *** MODULE p5zmeso *** |
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4 | !! TOP : PISCES-QUOTA 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 | !! p5z_meso_alloc : Allocate variables for mesozooplankton |
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14 | !!---------------------------------------------------------------------- |
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15 | USE oce_trc ! shared variables between ocean and passive tracers |
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16 | USE trc ! passive tracers common variables |
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17 | USE sms_pisces ! PISCES Source Minus Sink variables |
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18 | USE prtctl_trc ! print control for debugging |
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19 | USE iom ! I/O manager |
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20 | |
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21 | IMPLICIT NONE |
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22 | PRIVATE |
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23 | |
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24 | PUBLIC p5z_meso ! called in p5zbio.F90 |
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25 | PUBLIC p5z_meso_init ! called in trcsms_pisces.F90 |
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26 | PUBLIC p5z_meso_alloc ! called in trcini_pisces.F90 |
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27 | |
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28 | !! * Shared module variables |
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29 | REAL(wp), PUBLIC :: part2 !: part of calcite not dissolved in mesozoo guts |
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30 | REAL(wp), PUBLIC :: xpref2c !: mesozoo preference for POC |
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31 | REAL(wp), PUBLIC :: xpref2n !: mesozoo preference for nanophyto |
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32 | REAL(wp), PUBLIC :: xpref2z !: mesozoo preference for zooplankton |
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33 | REAL(wp), PUBLIC :: xpref2d !: mesozoo preference for Diatoms |
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34 | REAL(wp), PUBLIC :: xpref2m !: mesozoo preference for mesozoo |
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35 | REAL(wp), PUBLIC :: xthresh2zoo !: zoo feeding threshold for mesozooplankton |
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36 | REAL(wp), PUBLIC :: xthresh2dia !: diatoms feeding threshold for mesozooplankton |
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37 | REAL(wp), PUBLIC :: xthresh2phy !: nanophyto feeding threshold for mesozooplankton |
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38 | REAL(wp), PUBLIC :: xthresh2poc !: poc feeding threshold for mesozooplankton |
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39 | REAL(wp), PUBLIC :: xthresh2mes !: mesozoo feeding threshold for mesozooplankton |
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40 | REAL(wp), PUBLIC :: xthresh2 !: feeding threshold for mesozooplankton |
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41 | REAL(wp), PUBLIC :: resrat2 !: exsudation rate of mesozooplankton |
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42 | REAL(wp), PUBLIC :: mzrat2 !: microzooplankton mortality rate |
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43 | REAL(wp), PUBLIC :: grazrat2 !: maximal mesozoo grazing rate |
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44 | REAL(wp), PUBLIC :: xkgraz2 !: Half-saturation constant of assimilation |
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45 | REAL(wp), PUBLIC :: unass2c !: Non-assimilated fraction of food |
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46 | REAL(wp), PUBLIC :: unass2n !: Non-assimilated fraction of food |
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47 | REAL(wp), PUBLIC :: unass2p !: Non-assimilated fraction of food |
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48 | REAL(wp), PUBLIC :: epsher2 !: Growth efficiency of mesozoo |
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49 | REAL(wp), PUBLIC :: epsher2min !: Minimum growth efficiency of mesozoo |
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50 | REAL(wp), PUBLIC :: ssigma2 !: Fraction excreted as semi-labile DOM |
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51 | REAL(wp), PUBLIC :: srespir2 !: Active respiration |
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52 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
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53 | REAL(wp), PUBLIC :: xfracmig !: Fractional biomass of meso that performs DVM |
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54 | REAL(wp), PUBLIC :: xsigma2 !: Width of the predation window |
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55 | REAL(wp), PUBLIC :: xsigma2del !: Maximum width of the predation window at low food density |
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56 | LOGICAL, PUBLIC :: bmetexc2 !: Use of excess carbon for respiration |
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57 | LOGICAL , PUBLIC :: ln_dvm_meso !: Boolean to activate DVM of mesozooplankton |
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58 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: depmig !: DVM of mesozooplankton : migration depth |
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59 | INTEGER , ALLOCATABLE, SAVE, DIMENSION(:,:) :: kmig !: Vertical indice of the the migration depth |
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60 | |
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61 | !!---------------------------------------------------------------------- |
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62 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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63 | !! $Id$ |
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64 | !! Software governed by the CeCILL license (see ./LICENSE) |
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65 | !!---------------------------------------------------------------------- |
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66 | |
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67 | CONTAINS |
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68 | |
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69 | SUBROUTINE p5z_meso( kt, knt ) |
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70 | !!--------------------------------------------------------------------- |
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71 | !! *** ROUTINE p5z_meso *** |
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72 | !! |
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73 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
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74 | !! This includes ingestion and assimilation, flux feeding |
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75 | !! and mortality. We use an active prey switching |
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76 | !! parameterization Morozov and Petrovskii (2013). |
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77 | !! All living compartments and mesozooplankton |
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78 | !! are potential preys of mesozooplankton as well as small |
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79 | !! sinking particles |
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80 | !! |
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81 | !!--------------------------------------------------------------------- |
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82 | INTEGER, INTENT(in) :: kt, knt ! ocean time step |
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83 | ! |
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84 | INTEGER :: ji, jj, jk, jkt |
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85 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam, zcompames |
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86 | REAL(wp) :: zgraze2, zdenom, zfact, zfood, zfoodlim, zproport |
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87 | REAL(wp) :: zmortzgoc, zfracc, zfracn, zfracp, zfracfe, zratio, zratio2 |
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88 | REAL(wp) :: zepsherf, zepshert, zepsherq, zepsherv, zrespirc, zrespirn, zrespirp, zbasresb, zbasresi |
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89 | REAL(wp) :: zgraztotc, zgraztotn, zgraztotp, zgraztotf, zbasresn, zbasresp, zbasresf |
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90 | REAL(wp) :: zgradoct, zgradont, zgrareft, zgradopt |
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91 | REAL(wp) :: zprcaca, zmortz, zexcess |
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92 | REAL(wp) :: zbeta, zrespz, ztortz, zgrasratp, zgrasratn, zgrasratf |
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93 | REAL(wp) :: ztmp1, ztmp2, ztmp3, ztmp4, ztmp5, ztmptot |
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94 | REAL(wp) :: zgrazdc, zgrazz, zgrazm, zgrazpof, zgrazcal, zfracal |
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95 | REAL(wp) :: zgraznc, zgrazpoc, zgrazpon, zgrazpop, zgraznf, zgrazdf |
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96 | REAL(wp) :: zgraznp, zgraznn, zgrazdn, zgrazdp |
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97 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
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98 | REAL(wp) :: zgrazffnp, zgrazffng, zgrazffpp, zgrazffpg |
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99 | REAL(wp) :: zmigreltime, zrum, zcodel, zargu, zval |
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100 | CHARACTER (len=25) :: charout |
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101 | REAL(wp) :: zrfact2, zmetexcess, zsigma, zdiffdn |
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102 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing, zfezoo2 |
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103 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrarem, zgraref, zgrapoc, zgrapof |
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104 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrarep, zgraren, zgrapon, zgrapop |
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105 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgradoc, zgradon, zgradop |
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106 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigrem, zgramigref, zgramigpoc, zgramigpof |
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107 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigrep, zgramigren, zgramigpop, zgramigpon |
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108 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zgramigdoc, zgramigdop, zgramigdon |
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109 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zw3d, zz2ligprod |
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110 | |
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111 | !!--------------------------------------------------------------------- |
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112 | ! |
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113 | IF( ln_timing ) CALL timing_start('p5z_meso') |
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114 | ! |
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115 | ! Initialization of local arrays |
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116 | zgrazing(:,:,:) = 0._wp ; zfezoo2(:,:,:) = 0._wp |
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117 | zgrarem (:,:,:) = 0._wp ; zgraren(:,:,:) = 0._wp |
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118 | zgrarep (:,:,:) = 0._wp ; zgraref(:,:,:) = 0._wp |
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119 | zgrapoc (:,:,:) = 0._wp ; zgrapon(:,:,:) = 0._wp |
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120 | zgrapop (:,:,:) = 0._wp ; zgrapof(:,:,:) = 0._wp |
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121 | zgradoc (:,:,:) = 0._wp ; zgradon(:,:,:) = 0._wp |
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122 | zgradop (:,:,:) = 0._wp |
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123 | ! |
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124 | IF (ln_ligand) THEN |
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125 | ALLOCATE( zz2ligprod(jpi,jpj,jpk) ) |
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126 | zz2ligprod(:,:,:) = 0._wp |
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127 | ENDIF |
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128 | |
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129 | ! |
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130 | ! Diurnal vertical migration of mesozooplankton |
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131 | ! Computation of the migration depth |
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132 | ! --------------------------------------------- |
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133 | IF (ln_dvm_meso) CALL p5z_meso_depmig |
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134 | |
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135 | ! Use of excess carbon for metabolism |
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136 | zmetexcess = 0.0 |
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137 | IF ( bmetexc2 ) zmetexcess = 1.0 |
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138 | |
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139 | DO jk = 1, jpkm1 |
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140 | DO jj = 1, jpj |
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141 | DO ji = 1, jpi |
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142 | zcompam = MAX( ( trb(ji,jj,jk,jpmes) - 1.e-9 ), 0.e0 ) |
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143 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
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144 | |
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145 | ! linear mortality of mesozooplankton |
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146 | ! A michaelis menten modulation term is used to avoid extinction of |
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147 | ! mesozooplankton at very low food concentrations |
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148 | ! ----------------------------------------------------------------- |
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149 | zrespz = resrat2 * zfact * ( trb(ji,jj,jk,jpmes) / ( xkmort + trb(ji,jj,jk,jpmes) ) & |
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150 | & + 3. * nitrfac(ji,jj,jk) ) |
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151 | |
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152 | ! Zooplankton quadratic mortality. A square function has been selected with |
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153 | ! to mimic predation and disease (density dependent mortality). It also tends |
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154 | ! to stabilise the model |
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155 | ! ------------------------------------------------------------------------- |
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156 | ztortz = mzrat2 * 1.e6 * zfact * trb(ji,jj,jk,jpmes) * (1. - nitrfac(ji,jj,jk)) |
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157 | |
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158 | ! Computation of the abundance of the preys |
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159 | ! A threshold can be specified in the namelist |
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160 | ! -------------------------------------------- |
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161 | zcompadi = MAX( ( trb(ji,jj,jk,jpdia) - xthresh2dia ), 0.e0 ) |
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162 | zcompaz = MAX( ( trb(ji,jj,jk,jpzoo) - xthresh2zoo ), 0.e0 ) |
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163 | zcompaph = MAX( ( trb(ji,jj,jk,jpphy) - xthresh2phy ), 0.e0 ) |
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164 | zcompapoc = MAX( ( trb(ji,jj,jk,jppoc) - xthresh2poc ), 0.e0 ) |
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165 | zcompames = MAX( ( trb(ji,jj,jk,jpmes) - xthresh2mes ), 0.e0 ) |
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166 | |
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167 | ! Mesozooplankton grazing |
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168 | ! The total amount of food is the sum of all preys accessible to mesozooplankton |
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169 | ! multiplied by their food preference |
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170 | ! A threshold can be specified in the namelist (xthresh2). However, when food |
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171 | ! concentration is close to this threshold, it is decreased to avoid the |
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172 | ! accumulation of food in the mesozoopelagic domain |
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173 | ! ------------------------------------------------------------------------------- |
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174 | zfood = xpref2d * zcompadi + xpref2z * zcompaz + xpref2n * zcompaph + xpref2c * zcompapoc & |
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175 | & + xpref2m * zcompames |
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176 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
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177 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
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178 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpmes) * (1. - nitrfac(ji,jj,jk)) |
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179 | |
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180 | ! An active switching parameterization is used here. |
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181 | ! We don't use the KTW parameterization proposed by |
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182 | ! Vallina et al. because it tends to produce too steady biomass |
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183 | ! composition and the variance of Chl is too low as it grazes |
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184 | ! too strongly on winning organisms. We use a generalized |
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185 | ! switching parameterization proposed by Morozov and |
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186 | ! Petrovskii (2013) |
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187 | ! ------------------------------------------------------------ |
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188 | ! The width of the selection window is increased when preys |
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189 | ! have low abundance, .i.e. zooplankton become less specific |
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190 | ! to avoid starvation. |
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191 | ! ---------------------------------------------------------- |
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192 | zsigma = 1.0 - zdenom**3/(0.1**3+zdenom**3) |
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193 | zsigma = xsigma2 + xsigma2del * zsigma |
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194 | ! Nanophytoplankton and diatoms are the only preys considered |
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195 | ! to be close enough to have potential interference |
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196 | ! ----------------------------------------------------------- |
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197 | zdiffdn = exp( -ABS(log(3.0 * sizen(ji,jj,jk) / (5.0 * sized(ji,jj,jk) + rtrn )) )**2 / zsigma**2 ) |
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198 | ztmp1 = xpref2n * zcompaph * ( zcompaph + zdiffdn * zcompadi ) / (1.0 + zdiffdn) |
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199 | ztmp2 = xpref2m * zcompames**2 |
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200 | ztmp3 = xpref2c * zcompapoc**2 |
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201 | ztmp4 = xpref2d * zcompadi * ( zdiffdn * zcompadi + zcompaph ) / (1.0 + zdiffdn) |
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202 | ztmp5 = xpref2z * zcompaz**2 |
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203 | ztmptot = ztmp1 + ztmp2 + ztmp3 + ztmp4 + ztmp5 + rtrn |
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204 | ztmp1 = ztmp1 / ztmptot |
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205 | ztmp2 = ztmp2 / ztmptot |
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206 | ztmp3 = ztmp3 / ztmptot |
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207 | ztmp4 = ztmp4 / ztmptot |
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208 | ztmp5 = ztmp5 / ztmptot |
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209 | |
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210 | ! Mesozooplankton regular grazing on the different preys |
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211 | ! ------------------------------------------------------ |
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212 | zgrazdc = zgraze2 * ztmp4 * zdenom |
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213 | zgrazdn = zgrazdc * trb(ji,jj,jk,jpndi) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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214 | zgrazdp = zgrazdc * trb(ji,jj,jk,jppdi) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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215 | zgrazdf = zgrazdc * trb(ji,jj,jk,jpdfe) / ( trb(ji,jj,jk,jpdia) + rtrn) |
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216 | zgrazz = zgraze2 * ztmp5 * zdenom |
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217 | zgrazm = zgraze2 * ztmp2 * zdenom |
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218 | zgraznc = zgraze2 * ztmp1 * zdenom |
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219 | zgraznn = zgraznc * trb(ji,jj,jk,jpnph) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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220 | zgraznp = zgraznc * trb(ji,jj,jk,jppph) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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221 | zgraznf = zgraznc * trb(ji,jj,jk,jpnfe) / ( trb(ji,jj,jk,jpphy) + rtrn) |
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222 | zgrazpoc = zgraze2 * ztmp3 * zdenom |
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223 | zgrazpon = zgrazpoc * trb(ji,jj,jk,jppon) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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224 | zgrazpop = zgrazpoc * trb(ji,jj,jk,jppop) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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225 | zgrazpof = zgrazpoc * trb(ji,jj,jk,jpsfe) / ( trb(ji,jj,jk,jppoc) + rtrn) |
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226 | |
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227 | ! Mesozooplankton flux feeding on GOC and POC. The feeding pressure |
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228 | ! is proportional to the flux |
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229 | ! ------------------------------------------------------------------ |
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230 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
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231 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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232 | & * (1. - nitrfac(ji,jj,jk)) |
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233 | zgrazfffg = zgrazffeg * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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234 | zgrazffng = zgrazffeg * trb(ji,jj,jk,jpgon) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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235 | zgrazffpg = zgrazffeg * trb(ji,jj,jk,jpgop) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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236 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
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237 | & * tgfunc2(ji,jj,jk) * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpmes) & |
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238 | & * (1. - nitrfac(ji,jj,jk)) |
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239 | zgrazfffp = zgrazffep * trb(ji,jj,jk,jpsfe) / (trb(ji,jj,jk,jppoc) + rtrn) |
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240 | zgrazffnp = zgrazffep * trb(ji,jj,jk,jppon) / (trb(ji,jj,jk,jppoc) + rtrn) |
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241 | zgrazffpp = zgrazffep * trb(ji,jj,jk,jppop) / (trb(ji,jj,jk,jppoc) + rtrn) |
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242 | ! |
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243 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
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244 | |
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245 | ! Compute the proportion of filter feeders. It is assumed steady state. |
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246 | ! --------------------------------------------------------------------- |
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247 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztotc) |
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248 | |
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249 | ! Compute fractionation of aggregates. It is assumed that |
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250 | ! diatoms based aggregates are more prone to fractionation |
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251 | ! since they are more porous (marine snow instead of fecal pellets) |
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252 | ! ---------------------------------------------------------------- |
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253 | zratio = trb(ji,jj,jk,jpgsi) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
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254 | zratio2 = zratio * zratio |
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255 | zfracc = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
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256 | & * trb(ji,jj,jk,jpgoc) * trb(ji,jj,jk,jpmes) & |
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257 | & * ( 0.2 + 3.8 * zratio2 / ( 1.**2 + zratio2 ) ) |
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258 | zfracfe = zfracc * trb(ji,jj,jk,jpbfe) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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259 | zfracn = zfracc * trb(ji,jj,jk,jpgon) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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260 | zfracp = zfracc * trb(ji,jj,jk,jpgop) / (trb(ji,jj,jk,jpgoc) + rtrn) |
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261 | |
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262 | ! Flux feeding is multiplied by the fractional biomass of flux feeders |
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263 | zgrazffep = zproport * zgrazffep ; zgrazffeg = zproport * zgrazffeg |
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264 | zgrazfffp = zproport * zgrazfffp ; zgrazfffg = zproport * zgrazfffg |
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265 | zgrazffnp = zproport * zgrazffnp ; zgrazffng = zproport * zgrazffng |
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266 | zgrazffpp = zproport * zgrazffpp ; zgrazffpg = zproport * zgrazffpg |
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267 | |
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268 | zgraztotc = zgrazdc + zgrazz + zgraznc + zgrazm + zgrazpoc + zgrazffep + zgrazffeg |
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269 | zgraztotf = zgrazdf + zgraznf + zgrazz * feratz + zgrazm * feratm + zgrazpof & |
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270 | & + zgrazfffp + zgrazfffg |
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271 | zgraztotn = zgrazdn + (zgrazm + zgrazz) * no3rat3 + zgraznn + zgrazpon & |
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272 | & + zgrazffnp + zgrazffng |
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273 | zgraztotp = zgrazdp + (zgrazz + zgrazm) * po4rat3 + zgraznp + zgrazpop & |
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274 | & + zgrazffpp + zgrazffpg |
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275 | |
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276 | ! Total grazing ( grazing by microzoo is already computed in p5zmicro ) |
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277 | zgrazing(ji,jj,jk) = zgraztotc |
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278 | |
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279 | ! Stoichiometruc ratios of the food ingested by zooplanton |
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280 | ! -------------------------------------------------------- |
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281 | zgrasratf = (zgraztotf + rtrn) / ( zgraztotc + rtrn ) |
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282 | zgrasratn = (zgraztotn + rtrn) / ( zgraztotc + rtrn ) |
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283 | zgrasratp = (zgraztotp + rtrn) / ( zgraztotc + rtrn ) |
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284 | |
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285 | ! Mesozooplankton efficiency. |
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286 | ! We adopt a formulation proposed by Mitra et al. (2007) |
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287 | ! The gross growth efficiency is controled by the most limiting nutrient. |
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288 | ! Growth is also further decreased when the food quality is poor. This is currently |
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289 | ! hard coded : it can be decreased by up to 50% (zepsherq) |
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290 | ! GGE can also be decreased when food quantity is high, zepsherf (Montagnes and |
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291 | ! Fulton, 2012) |
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292 | ! ----------------------------------------------------------------------------------- |
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293 | zepshert = MIN( 1., zgrasratn/ no3rat3, zgrasratp/ po4rat3, zgrasratf / feratm) |
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294 | zbeta = MAX(0., (epsher2 - epsher2min) ) |
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295 | zepsherf = epsher2min + zbeta / ( 1.0 + 0.04E6 * 12. * zfood * zbeta ) |
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296 | zepsherq = 0.5 + (1.0 - 0.5) * zepshert * ( 1.0 + 1.0 ) / ( zepshert + 1.0 ) |
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297 | zepsherv = zepsherf * zepshert * zepsherq |
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298 | ! Respiration of mesozooplankton |
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299 | ! Excess carbon in the food is used preferentially |
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300 | ! when bmetexc2 is set to .true. |
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301 | ! ----------------------------------------------- |
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302 | zexcess = zgraztotc * zepsherf * (1.0 - zepshert) * zmetexcess |
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303 | zbasresb = MAX(0., zrespz - zexcess) |
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304 | zbasresi = zexcess + MIN(0., zrespz - zexcess) |
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305 | zrespirc = srespir2 * zepsherv * zgraztotc + zbasresb |
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306 | |
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307 | ! When excess carbon is used, the other elements in excess |
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308 | ! are also used proportionally to their abundance |
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309 | ! -------------------------------------------------------- |
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310 | zexcess = ( zgrasratn/ no3rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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311 | zbasresn = zbasresi * zexcess * zgrasratn |
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312 | zexcess = ( zgrasratp/ po4rat3 - zepshert ) / ( 1.0 - zepshert + rtrn) |
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313 | zbasresp = zbasresi * zexcess * zgrasratp |
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314 | zexcess = ( zgrasratf/ feratm - zepshert ) / ( 1.0 - zepshert + rtrn) |
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315 | zbasresf = zbasresi * zexcess * zgrasratf |
---|
316 | |
---|
317 | ! Voiding of the excessive elements as organic matter |
---|
318 | ! -------------------------------------------------------- |
---|
319 | zgradoct = (1. - unass2c - zepsherv) * zgraztotc - zbasresi |
---|
320 | zgradont = (1. - unass2n) * zgraztotn - zepsherv * no3rat3 * zgraztotc - zbasresn |
---|
321 | zgradopt = (1. - unass2p) * zgraztotp - zepsherv * po4rat3 * zgraztotc - zbasresp |
---|
322 | zgrareft = (1. - unass2c) * zgraztotf - zepsherv * feratm * zgraztotc - zbasresf |
---|
323 | ztmp1 = (1. - epsher2 - unass2c) /( 1. - epsher2 ) * ztortz |
---|
324 | zgradoc(ji,jj,jk) = (zgradoct + ztmp1) * ssigma2 |
---|
325 | zgradon(ji,jj,jk) = (zgradont + no3rat3 * ztmp1) * ssigma2 |
---|
326 | zgradop(ji,jj,jk) = (zgradopt + po4rat3 * ztmp1) * ssigma2 |
---|
327 | |
---|
328 | ! Since only semilabile DOM is represented in PISCES |
---|
329 | ! part of DOM is in fact labile and is then released |
---|
330 | ! as dissolved inorganic compounds (ssigma2) |
---|
331 | ! -------------------------------------------------- |
---|
332 | zgrarem(ji,jj,jk) = ( zgradoct + ztmp1 ) * (1.0 - ssigma2) |
---|
333 | zgraren(ji,jj,jk) = ( zgradont + no3rat3 * ztmp1 ) * (1.0 - ssigma2) |
---|
334 | zgrarep(ji,jj,jk) = ( zgradopt + po4rat3 * ztmp1 ) * (1.0 - ssigma2) |
---|
335 | zgraref(ji,jj,jk) = zgrareft + feratm * ztmp1 |
---|
336 | |
---|
337 | ! Defecation as a result of non assimilated products |
---|
338 | ! -------------------------------------------------- |
---|
339 | zgrapoc(ji,jj,jk) = zgraztotc * unass2c + unass2c / ( 1. - epsher2 ) * ztortz |
---|
340 | zgrapon(ji,jj,jk) = zgraztotn * unass2n + no3rat3 * unass2n / ( 1. - epsher2 ) * ztortz |
---|
341 | zgrapop(ji,jj,jk) = zgraztotp * unass2p + po4rat3 * unass2p / ( 1. - epsher2 ) * ztortz |
---|
342 | zgrapof(ji,jj,jk) = zgraztotf * unass2c + feratm * unass2c / ( 1. - epsher2 ) * ztortz |
---|
343 | |
---|
344 | ! Addition of respiration to the release of inorganic nutrients |
---|
345 | ! ------------------------------------------------------------- |
---|
346 | zgrarem(ji,jj,jk) = zgrarem(ji,jj,jk) + zbasresi + zrespirc |
---|
347 | zgraren(ji,jj,jk) = zgraren(ji,jj,jk) + zbasresn + zrespirc * no3rat3 |
---|
348 | zgrarep(ji,jj,jk) = zgrarep(ji,jj,jk) + zbasresp + zrespirc * po4rat3 |
---|
349 | zgraref(ji,jj,jk) = zgraref(ji,jj,jk) + zbasresf + zrespirc * feratm |
---|
350 | |
---|
351 | ! Update the arrays TRA which contain the biological sources and |
---|
352 | ! sinks |
---|
353 | ! -------------------------------------------------------------- |
---|
354 | tra(ji,jj,jk,jpmes) = tra(ji,jj,jk,jpmes) + zepsherv * zgraztotc - zrespirc & |
---|
355 | & - ztortz - zgrazm |
---|
356 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) - zgrazdc |
---|
357 | tra(ji,jj,jk,jpndi) = tra(ji,jj,jk,jpndi) - zgrazdn |
---|
358 | tra(ji,jj,jk,jppdi) = tra(ji,jj,jk,jppdi) - zgrazdp |
---|
359 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) - zgrazdf |
---|
360 | tra(ji,jj,jk,jpzoo) = tra(ji,jj,jk,jpzoo) - zgrazz |
---|
361 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) - zgraznc |
---|
362 | tra(ji,jj,jk,jpnph) = tra(ji,jj,jk,jpnph) - zgraznn |
---|
363 | tra(ji,jj,jk,jppph) = tra(ji,jj,jk,jppph) - zgraznp |
---|
364 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) - zgraznf |
---|
365 | tra(ji,jj,jk,jpnch) = tra(ji,jj,jk,jpnch) - zgraznc * trb(ji,jj,jk,jpnch) / ( trb(ji,jj,jk,jpphy) + rtrn ) |
---|
366 | tra(ji,jj,jk,jpdch) = tra(ji,jj,jk,jpdch) - zgrazdc * trb(ji,jj,jk,jpdch) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
367 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) - zgrazdc * trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
368 | tra(ji,jj,jk,jpgsi) = tra(ji,jj,jk,jpgsi) + zgrazdc * trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) |
---|
369 | |
---|
370 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zgrazpoc - zgrazffep + zfracc |
---|
371 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfracc |
---|
372 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
---|
373 | tra(ji,jj,jk,jppon) = tra(ji,jj,jk,jppon) - zgrazpon - zgrazffnp + zfracn |
---|
374 | tra(ji,jj,jk,jppop) = tra(ji,jj,jk,jppop) - zgrazpop - zgrazffpp + zfracp |
---|
375 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) - zgrazffeg - zfracc |
---|
376 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfracc |
---|
377 | tra(ji,jj,jk,jpgon) = tra(ji,jj,jk,jpgon) - zgrazffng - zfracn |
---|
378 | tra(ji,jj,jk,jpgop) = tra(ji,jj,jk,jpgop) - zgrazffpg - zfracp |
---|
379 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zgrazpof - zgrazfffp + zfracfe |
---|
380 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) - zgrazfffg - zfracfe |
---|
381 | zfracal = trb(ji,jj,jk,jpcal) / ( trb(ji,jj,jk,jpgoc) + rtrn ) |
---|
382 | zgrazcal = zgrazffeg * (1. - part2) * zfracal |
---|
383 | ! Calcite production |
---|
384 | ! Calcite remineralization due to zooplankton activity |
---|
385 | ! part2 of the ingested calcite is dissolving in the acidic gut |
---|
386 | ! ------------------------------------------------------------- |
---|
387 | zprcaca = xfracal(ji,jj,jk) * zgraznc |
---|
388 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
---|
389 | zprcaca = part2 * zprcaca |
---|
390 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrazcal - zprcaca |
---|
391 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + 2. * ( zgrazcal - zprcaca ) |
---|
392 | tra(ji,jj,jk,jpcal) = tra(ji,jj,jk,jpcal) - zgrazcal + zprcaca |
---|
393 | END DO |
---|
394 | END DO |
---|
395 | END DO |
---|
396 | |
---|
397 | ! Computation of the effect of DVM by mesozooplankton |
---|
398 | ! This part is only activated if ln_dvm_meso is set to true |
---|
399 | ! The parameterization has been published in Gorgues et al. (2019). |
---|
400 | ! ----------------------------------------------------------------- |
---|
401 | IF (ln_dvm_meso) THEN |
---|
402 | ALLOCATE( zgramigrem(jpi,jpj), zgramigref(jpi,jpj), zgramigpoc(jpi,jpj), zgramigpof(jpi,jpj) ) |
---|
403 | ALLOCATE( zgramigrep(jpi,jpj), zgramigren(jpi,jpj), zgramigpop(jpi,jpj), zgramigpon(jpi,jpj) ) |
---|
404 | ALLOCATE( zgramigdoc(jpi,jpj), zgramigdon(jpi,jpj), zgramigdop(jpi,jpj) ) |
---|
405 | zgramigrem(:,:) = 0.0 ; zgramigref(:,:) = 0.0 |
---|
406 | zgramigrep(:,:) = 0.0 ; zgramigren(:,:) = 0.0 |
---|
407 | zgramigpoc(:,:) = 0.0 ; zgramigpof(:,:) = 0.0 |
---|
408 | zgramigpop(:,:) = 0.0 ; zgramigpon(:,:) = 0.0 |
---|
409 | zgramigdoc(:,:) = 0.0 ; zgramigdon(:,:) = 0.0 |
---|
410 | zgramigdop(:,:) = 0.0 |
---|
411 | |
---|
412 | ! Compute the amount of materials that will go into vertical migration |
---|
413 | ! This fraction is sumed over the euphotic zone and is removed from |
---|
414 | ! the fluxes driven by mesozooplankton in the euphotic zone. |
---|
415 | ! -------------------------------------------------------------------- |
---|
416 | DO jk = 1, jpk |
---|
417 | DO jj = 1, jpj |
---|
418 | DO ji = 1, jpi |
---|
419 | zmigreltime = (1. - strn(ji,jj)) |
---|
420 | IF ( gdept_n(ji,jj,jk) <= heup(ji,jj) ) THEN |
---|
421 | zgramigrem(ji,jj) = zgramigrem(ji,jj) + xfracmig * zgrarem(ji,jj,jk) * (1. - zmigreltime ) & |
---|
422 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
423 | zgramigrep(ji,jj) = zgramigrep(ji,jj) + xfracmig * zgrarep(ji,jj,jk) * (1. - zmigreltime ) & |
---|
424 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
425 | zgramigren(ji,jj) = zgramigren(ji,jj) + xfracmig * zgraren(ji,jj,jk) * (1. - zmigreltime ) & |
---|
426 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
427 | zgramigref(ji,jj) = zgramigref(ji,jj) + xfracmig * zgraref(ji,jj,jk) * (1. - zmigreltime ) & |
---|
428 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
429 | zgramigpoc(ji,jj) = zgramigpoc(ji,jj) + xfracmig * zgrapoc(ji,jj,jk) * (1. - zmigreltime ) & |
---|
430 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
431 | zgramigpop(ji,jj) = zgramigpop(ji,jj) + xfracmig * zgrapop(ji,jj,jk) * (1. - zmigreltime ) & |
---|
432 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
433 | zgramigpon(ji,jj) = zgramigpon(ji,jj) + xfracmig * zgrapon(ji,jj,jk) * (1. - zmigreltime ) & |
---|
434 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
435 | zgramigpof(ji,jj) = zgramigpof(ji,jj) + xfracmig * zgrapof(ji,jj,jk) * (1. - zmigreltime ) & |
---|
436 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
437 | zgramigdoc(ji,jj) = zgramigdoc(ji,jj) + xfracmig * zgradoc(ji,jj,jk) * (1. - zmigreltime ) & |
---|
438 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
439 | zgramigdop(ji,jj) = zgramigdop(ji,jj) + xfracmig * zgradop(ji,jj,jk) * (1. - zmigreltime ) & |
---|
440 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
441 | zgramigdon(ji,jj) = zgramigdon(ji,jj) + xfracmig * zgradon(ji,jj,jk) * (1. - zmigreltime ) & |
---|
442 | & * e3t_n(ji,jj,jk) * tmask(ji,jj,jk) |
---|
443 | |
---|
444 | zgrarem(ji,jj,jk) = zgrarem(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
445 | zgrarep(ji,jj,jk) = zgrarep(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
446 | zgraren(ji,jj,jk) = zgraren(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
447 | zgraref(ji,jj,jk) = zgraref(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
448 | zgrapoc(ji,jj,jk) = zgrapoc(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
449 | zgrapop(ji,jj,jk) = zgrapop(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
450 | zgrapon(ji,jj,jk) = zgrapon(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
451 | zgrapof(ji,jj,jk) = zgrapof(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
452 | zgradoc(ji,jj,jk) = zgradoc(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
453 | zgradop(ji,jj,jk) = zgradop(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
454 | zgradon(ji,jj,jk) = zgradon(ji,jj,jk) * ( (1.0 - xfracmig) + xfracmig * zmigreltime ) |
---|
455 | ENDIF |
---|
456 | END DO |
---|
457 | END DO |
---|
458 | END DO |
---|
459 | |
---|
460 | ! The inorganic and organic fluxes induced by migrating organisms are added at the |
---|
461 | ! the migration depth (corresponding indice is set by kmig) |
---|
462 | ! -------------------------------------------------------------------------------- |
---|
463 | DO jj = 1, jpj |
---|
464 | DO ji = 1, jpi |
---|
465 | IF (tmask(ji,jj,1) == 1.) THEN |
---|
466 | jkt = kmig(ji,jj) |
---|
467 | zgrarem(ji,jj,jkt) = zgrarem(ji,jj,jkt) + zgramigrem(ji,jj) / e3t_n(ji,jj,jkt) |
---|
468 | zgrarep(ji,jj,jkt) = zgrarep(ji,jj,jkt) + zgramigrep(ji,jj) / e3t_n(ji,jj,jkt) |
---|
469 | zgraren(ji,jj,jkt) = zgraren(ji,jj,jkt) + zgramigren(ji,jj) / e3t_n(ji,jj,jkt) |
---|
470 | zgraref(ji,jj,jkt) = zgraref(ji,jj,jkt) + zgramigref(ji,jj) / e3t_n(ji,jj,jkt) |
---|
471 | zgrapoc(ji,jj,jkt) = zgrapoc(ji,jj,jkt) + zgramigpoc(ji,jj) / e3t_n(ji,jj,jkt) |
---|
472 | zgrapop(ji,jj,jkt) = zgrapop(ji,jj,jkt) + zgramigpop(ji,jj) / e3t_n(ji,jj,jkt) |
---|
473 | zgrapon(ji,jj,jkt) = zgrapon(ji,jj,jkt) + zgramigpon(ji,jj) / e3t_n(ji,jj,jkt) |
---|
474 | zgrapof(ji,jj,jkt) = zgrapof(ji,jj,jkt) + zgramigpof(ji,jj) / e3t_n(ji,jj,jkt) |
---|
475 | zgradoc(ji,jj,jkt) = zgradoc(ji,jj,jkt) + zgramigdoc(ji,jj) / e3t_n(ji,jj,jkt) |
---|
476 | zgradop(ji,jj,jkt) = zgradop(ji,jj,jkt) + zgramigdop(ji,jj) / e3t_n(ji,jj,jkt) |
---|
477 | zgradon(ji,jj,jkt) = zgradon(ji,jj,jkt) + zgramigdon(ji,jj) / e3t_n(ji,jj,jkt) |
---|
478 | ENDIF |
---|
479 | END DO |
---|
480 | END DO |
---|
481 | ! |
---|
482 | ! Deallocate temporary variables |
---|
483 | ! ------------------------------ |
---|
484 | DEALLOCATE( zgramigrem, zgramigref, zgramigpoc, zgramigpof ) |
---|
485 | DEALLOCATE( zgramigrep, zgramigren, zgramigpop, zgramigpon ) |
---|
486 | DEALLOCATE( zgramigdoc, zgramigdon, zgramigdop ) |
---|
487 | ! End of the ln_dvm_meso part |
---|
488 | ENDIF |
---|
489 | |
---|
490 | ! Update the arrays TRA which contain the biological sources and sinks |
---|
491 | ! This only concerns the variables which are affected by DVM (inorganic |
---|
492 | ! nutrients, DOC agands, and particulate organic carbon). |
---|
493 | ! --------------------------------------------------------------------- |
---|
494 | DO jk = 1, jpk |
---|
495 | DO jj = 1, jpj |
---|
496 | DO ji = 1, jpi |
---|
497 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) + zgrarep(ji,jj,jk) |
---|
498 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) + zgraren(ji,jj,jk) |
---|
499 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zgradoc(ji,jj,jk) |
---|
500 | ! |
---|
501 | IF( ln_ligand ) THEN |
---|
502 | tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + zgradoc(ji,jj,jk) * ldocz |
---|
503 | zz2ligprod(ji,jj,jk) = zgradoc(ji,jj,jk) * ldocz |
---|
504 | ENDIF |
---|
505 | ! |
---|
506 | tra(ji,jj,jk,jpdon) = tra(ji,jj,jk,jpdon) + zgradon(ji,jj,jk) |
---|
507 | tra(ji,jj,jk,jpdop) = tra(ji,jj,jk,jpdop) + zgradop(ji,jj,jk) |
---|
508 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) - o2ut * zgrarem(ji,jj,jk) |
---|
509 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) + zgraref(ji,jj,jk) |
---|
510 | zfezoo2(ji,jj,jk) = zgraref(ji,jj,jk) |
---|
511 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) + zgrarem(ji,jj,jk) |
---|
512 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * zgraren(ji,jj,jk) |
---|
513 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zgrapoc(ji,jj,jk) |
---|
514 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zgrapoc(ji,jj,jk) |
---|
515 | tra(ji,jj,jk,jpgon) = tra(ji,jj,jk,jpgon) + zgrapon(ji,jj,jk) |
---|
516 | tra(ji,jj,jk,jpgop) = tra(ji,jj,jk,jpgop) + zgrapop(ji,jj,jk) |
---|
517 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zgrapof(ji,jj,jk) |
---|
518 | END DO |
---|
519 | END DO |
---|
520 | END DO |
---|
521 | ! |
---|
522 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
---|
523 | ALLOCATE( zw3d(jpi,jpj,jpk) ) |
---|
524 | IF( iom_use( "GRAZ2" ) ) THEN |
---|
525 | zw3d(:,:,:) = zgrazing(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Total grazing of phyto by zooplankton |
---|
526 | CALL iom_put( "GRAZ2", zw3d ) |
---|
527 | ENDIF |
---|
528 | IF( iom_use( "PCAL" ) ) THEN |
---|
529 | zw3d(:,:,:) = prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ! Calcite production |
---|
530 | CALL iom_put( "PCAL", zw3d ) |
---|
531 | ENDIF |
---|
532 | IF( iom_use( "FEZOO2" ) ) THEN |
---|
533 | zw3d(:,:,:) = zfezoo2(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ! |
---|
534 | CALL iom_put( "FEZOO2", zw3d ) |
---|
535 | ENDIF |
---|
536 | IF( iom_use( "LPRODZ2" ) .AND. ln_ligand ) THEN |
---|
537 | zw3d(:,:,:) = zz2ligprod(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) |
---|
538 | CALL iom_put( "LPRODZ2" , zw3d ) |
---|
539 | ENDIF |
---|
540 | DEALLOCATE( zw3d ) |
---|
541 | ENDIF |
---|
542 | ! |
---|
543 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
544 | WRITE(charout, FMT="('meso')") |
---|
545 | CALL prt_ctl_trc_info(charout) |
---|
546 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
547 | ENDIF |
---|
548 | ! |
---|
549 | IF( ln_timing ) CALL timing_stop('p5z_meso') |
---|
550 | ! |
---|
551 | END SUBROUTINE p5z_meso |
---|
552 | |
---|
553 | |
---|
554 | SUBROUTINE p5z_meso_init |
---|
555 | !!---------------------------------------------------------------------- |
---|
556 | !! *** ROUTINE p5z_meso_init *** |
---|
557 | !! |
---|
558 | !! ** Purpose : Initialization of mesozooplankton parameters |
---|
559 | !! |
---|
560 | !! ** Method : Read the namp5zmes namelist and check the parameters |
---|
561 | !! called at the first timestep (nittrc000) |
---|
562 | !! |
---|
563 | !! ** input : Namelist namp5zmes |
---|
564 | !! |
---|
565 | !!---------------------------------------------------------------------- |
---|
566 | INTEGER :: ios ! Local integer output status for namelist read |
---|
567 | !! |
---|
568 | NAMELIST/namp5zmes/part2, bmetexc2, grazrat2, resrat2, mzrat2, xpref2c, xpref2n, xpref2z, & |
---|
569 | & xpref2m, xpref2d, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
---|
570 | & xthresh2mes, xthresh2, xkgraz2, epsher2, epsher2min, ssigma2, unass2c, & |
---|
571 | & unass2n, unass2p, srespir2, xsigma2, xsigma2del, grazflux, ln_dvm_meso, xfracmig |
---|
572 | !!---------------------------------------------------------------------- |
---|
573 | ! |
---|
574 | REWIND( numnatp_ref ) ! Namelist namp5zmes in reference namelist : Pisces mesozooplankton |
---|
575 | READ ( numnatp_ref, namp5zmes, IOSTAT = ios, ERR = 901) |
---|
576 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp5zmes in reference namelist' ) |
---|
577 | ! |
---|
578 | REWIND( numnatp_cfg ) ! Namelist namp5zmes in configuration namelist : Pisces mesozooplankton |
---|
579 | READ ( numnatp_cfg, namp5zmes, IOSTAT = ios, ERR = 902 ) |
---|
580 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp5zmes in configuration namelist' ) |
---|
581 | IF(lwm) WRITE ( numonp, namp5zmes ) |
---|
582 | ! |
---|
583 | IF(lwp) THEN ! control print |
---|
584 | WRITE(numout,*) ' ' |
---|
585 | WRITE(numout,*) ' Namelist parameters for mesozooplankton, namp5zmes' |
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586 | WRITE(numout,*) ' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~' |
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587 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 = ', part2 |
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588 | WRITE(numout,*) ' mesozoo preference for nano. xpref2n = ', xpref2n |
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589 | WRITE(numout,*) ' mesozoo preference for diatoms xpref2d = ', xpref2d |
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590 | WRITE(numout,*) ' mesozoo preference for zoo xpref2z = ', xpref2z |
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591 | WRITE(numout,*) ' mesozoo preference for mesozoo xpref2m = ', xpref2m |
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592 | WRITE(numout,*) ' mesozoo preference for poc xpref2c = ', xpref2c |
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593 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo = ', xthresh2zoo |
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594 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia = ', xthresh2dia |
---|
595 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy = ', xthresh2phy |
---|
596 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc = ', xthresh2poc |
---|
597 | WRITE(numout,*) ' mesozoo feeding threshold for mesozoo xthresh2mes = ', xthresh2mes |
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598 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 = ', xthresh2 |
---|
599 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 = ', resrat2 |
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600 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 = ', mzrat2 |
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601 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 = ', grazrat2 |
---|
602 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux = ', grazflux |
---|
603 | WRITE(numout,*) ' C egested fraction of food by mesozoo unass2c = ', unass2c |
---|
604 | WRITE(numout,*) ' N egested fraction of food by mesozoo unass2n = ', unass2n |
---|
605 | WRITE(numout,*) ' P egested fraction of food by mesozoo unass2p = ', unass2p |
---|
606 | WRITE(numout,*) ' Efficicency of Mesozoo growth epsher2 = ', epsher2 |
---|
607 | WRITE(numout,*) ' Minimum Efficiency of Mesozoo growth epsher2min =', epsher2min |
---|
608 | WRITE(numout,*) ' Fraction excreted as semi-labile DOM ssigma2 = ', ssigma2 |
---|
609 | WRITE(numout,*) ' Active respiration srespir2 = ', srespir2 |
---|
610 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 = ', xkgraz2 |
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611 | WRITE(numout,*) ' Use excess carbon for respiration bmetexc2 = ', bmetexc2 |
---|
612 | WRITE(numout,*) ' Width of the grazing window xsigma2 =', xsigma2 |
---|
613 | WRITE(numout,*) ' Maximum additional width of the grazing window xsigma2del =', xsigma2del |
---|
614 | WRITE(numout,*) ' Diurnal vertical migration of mesozoo. ln_dvm_meso =', ln_dvm_meso |
---|
615 | WRITE(numout,*) ' Fractional biomass of meso that performs DVM xfracmig =', xfracmig |
---|
616 | ENDIF |
---|
617 | ! |
---|
618 | END SUBROUTINE p5z_meso_init |
---|
619 | |
---|
620 | SUBROUTINE p5z_meso_depmig |
---|
621 | !!---------------------------------------------------------------------- |
---|
622 | !! *** ROUTINE p5z_meso_depmig *** |
---|
623 | !! |
---|
624 | !! ** Purpose : Computation the migration depth of mesozooplankton |
---|
625 | !! |
---|
626 | !! ** Method : Computes the DVM depth of mesozooplankton from oxygen |
---|
627 | !! temperature and chlorophylle following the parameterization |
---|
628 | !! proposed by Bianchi et al. (2013) |
---|
629 | !! |
---|
630 | !! ** input : |
---|
631 | !!---------------------------------------------------------------------- |
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632 | INTEGER :: ji, jj, jk |
---|
633 | ! |
---|
634 | REAL(wp) :: totchl |
---|
635 | REAL(wp), DIMENSION(jpi,jpj) :: oxymoy, tempmoy, zdepmoy |
---|
636 | |
---|
637 | !!--------------------------------------------------------------------- |
---|
638 | ! |
---|
639 | IF( ln_timing == 1 ) CALL timing_start('p5z_meso_zdepmig') |
---|
640 | ! |
---|
641 | oxymoy(:,:) = 0. |
---|
642 | tempmoy(:,:) = 0. |
---|
643 | zdepmoy(:,:) = 0. |
---|
644 | depmig (:,:) = 5. |
---|
645 | kmig (:,:) = 1 |
---|
646 | ! |
---|
647 | ! Compute the averaged values of oxygen, temperature over the domain |
---|
648 | ! 150m to 500 m depth. |
---|
649 | ! |
---|
650 | DO jk =1, jpk |
---|
651 | DO jj = 1, jpj |
---|
652 | DO ji = 1, jpi |
---|
653 | IF (tmask(ji,jj,jk) == 1.) THEN |
---|
654 | IF (gdept_n(ji,jj,jk) >= 150. .AND. gdept_n(ji,jj,jk) <= 500.) THEN |
---|
655 | oxymoy(ji,jj) = oxymoy(ji,jj) + trb(ji,jj,jk,jpoxy)*e3t_n(ji,jj,jk)*1E6 |
---|
656 | tempmoy(ji,jj) = tempmoy(ji,jj) + tsn(ji,jj,jk,jp_tem)*e3t_n(ji,jj,jk) |
---|
657 | zdepmoy(ji,jj) = zdepmoy(ji,jj) + e3t_n(ji,jj,jk) |
---|
658 | ENDIF |
---|
659 | ENDIF |
---|
660 | END DO |
---|
661 | END DO |
---|
662 | END DO |
---|
663 | |
---|
664 | ! Compute the difference between surface values and the mean values in the mesopelagic |
---|
665 | ! domain |
---|
666 | ! ------------------------------------------------------------------------------------ |
---|
667 | DO jj = 1, jpj |
---|
668 | DO ji = 1, jpi |
---|
669 | oxymoy(ji,jj) = trb(ji,jj,1,jpoxy)*1E6 - oxymoy(ji,jj) / (zdepmoy(ji,jj) + rtrn) |
---|
670 | tempmoy(ji,jj) = tsn(ji,jj,1,jp_tem)-tempmoy(ji,jj) / (zdepmoy(ji,jj) + rtrn) |
---|
671 | END DO |
---|
672 | END DO |
---|
673 | |
---|
674 | ! Computation of the migration depth based on the parameterization of |
---|
675 | ! Bianchi et al. (2013) |
---|
676 | ! ------------------------------------------------------------------- |
---|
677 | DO jj = 1, jpj |
---|
678 | DO ji = 1, jpi |
---|
679 | IF (tmask(ji,jj,1) == 1.) THEN |
---|
680 | totchl = (trb(ji,jj,1,jppch)+trb(ji,jj,1,jpnch)+trb(ji,jj,1,jpdch))*1E6 |
---|
681 | depmig(ji,jj) = 398. - 0.56 * oxymoy(ji,jj) -115. * log10(totchl) + 0.36 * hmld(ji,jj) -2.4 * tempmoy(ji,jj) |
---|
682 | ENDIF |
---|
683 | END DO |
---|
684 | END DO |
---|
685 | ! |
---|
686 | ! Computation of the corresponding jk indice |
---|
687 | ! ------------------------------------------ |
---|
688 | DO jk = 1, jpk-1 |
---|
689 | DO jj = 1, jpj |
---|
690 | DO ji = 1, jpi |
---|
691 | IF (depmig(ji,jj) .GE. gdepw_n(ji,jj,jk) .AND. depmig(ji,jj) .LT. gdepw_n(ji,jj,jk+1) ) THEN |
---|
692 | kmig(ji,jj) = jk |
---|
693 | ENDIF |
---|
694 | END DO |
---|
695 | END DO |
---|
696 | END DO |
---|
697 | ! |
---|
698 | ! Correction of the migration depth and indice based on O2 levels |
---|
699 | ! If O2 is too low, imposing a migration depth at this low O2 levels |
---|
700 | ! would lead to negative O2 concentrations (respiration while O2 is close |
---|
701 | ! to 0. Thus, to avoid that problem, the migration depth is adjusted so |
---|
702 | ! that it falls above the OMZ |
---|
703 | ! ----------------------------------------------------------------------- |
---|
704 | DO ji =1, jpi |
---|
705 | DO jj = 1, jpj |
---|
706 | IF (trb(ji,jj,kmig(ji,jj),jpoxy) < 5E-6) THEN |
---|
707 | DO jk = kmig(ji,jj),1,-1 |
---|
708 | IF (trb(ji,jj,jk,jpoxy) >= 5E-6 .AND. trb(ji,jj,jk+1,jpoxy) < 5E-6) THEN |
---|
709 | kmig(ji,jj) = jk |
---|
710 | depmig(ji,jj) = gdept_n(ji,jj,jk) |
---|
711 | ENDIF |
---|
712 | END DO |
---|
713 | ENDIF |
---|
714 | END DO |
---|
715 | END DO |
---|
716 | ! |
---|
717 | IF( ln_timing ) CALL timing_stop('p5z_meso_depmig') |
---|
718 | ! |
---|
719 | END SUBROUTINE p5z_meso_depmig |
---|
720 | |
---|
721 | INTEGER FUNCTION p5z_meso_alloc() |
---|
722 | !!---------------------------------------------------------------------- |
---|
723 | !! *** ROUTINE p5z_meso_alloc *** |
---|
724 | !!---------------------------------------------------------------------- |
---|
725 | ! |
---|
726 | ALLOCATE( depmig(jpi,jpj), kmig(jpi,jpj), STAT= p5z_meso_alloc ) |
---|
727 | ! |
---|
728 | IF( p5z_meso_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p5z_meso_alloc : failed to allocate arrays.' ) |
---|
729 | ! |
---|
730 | END FUNCTION p5z_meso_alloc |
---|
731 | |
---|
732 | !!====================================================================== |
---|
733 | END MODULE p5zmeso |
---|