1 | MODULE p4zmeso |
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2 | !!====================================================================== |
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3 | !! *** MODULE p4zmeso *** |
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4 | !! TOP : PISCES Compute the sources/sinks for mesozooplankton |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2002 (O. Aumont) Original code |
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7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Quota model for iron |
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9 | !!---------------------------------------------------------------------- |
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10 | !! p4z_meso : Compute the sources/sinks for mesozooplankton |
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11 | !! p4z_meso_init : Initialization of the parameters for mesozooplankton |
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12 | !!---------------------------------------------------------------------- |
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13 | USE oce_trc ! shared variables between ocean and passive tracers |
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14 | USE trc ! passive tracers common variables |
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15 | USE sms_pisces ! PISCES Source Minus Sink variables |
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16 | USE p4zprod ! production |
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17 | USE prtctl ! 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 p4z_meso ! called in p4zbio.F90 |
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24 | PUBLIC p4z_meso_init ! called in trcsms_pisces.F90 |
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25 | |
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26 | REAL(wp), PUBLIC :: part2 !: part of calcite not dissolved in mesozoo guts |
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27 | REAL(wp), PUBLIC :: xpref2d !: mesozoo preference for diatoms |
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28 | REAL(wp), PUBLIC :: xpref2n !: mesozoo preference for nanophyto |
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29 | REAL(wp), PUBLIC :: xpref2z !: mesozoo preference for microzooplankton |
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30 | REAL(wp), PUBLIC :: xpref2c !: mesozoo preference for POC |
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31 | REAL(wp), PUBLIC :: xthresh2zoo !: zoo feeding threshold for mesozooplankton |
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32 | REAL(wp), PUBLIC :: xthresh2dia !: diatoms feeding threshold for mesozooplankton |
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33 | REAL(wp), PUBLIC :: xthresh2phy !: nanophyto feeding threshold for mesozooplankton |
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34 | REAL(wp), PUBLIC :: xthresh2poc !: poc feeding threshold for mesozooplankton |
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35 | REAL(wp), PUBLIC :: xthresh2 !: feeding threshold for mesozooplankton |
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36 | REAL(wp), PUBLIC :: resrat2 !: exsudation rate of mesozooplankton |
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37 | REAL(wp), PUBLIC :: mzrat2 !: microzooplankton mortality rate |
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38 | REAL(wp), PUBLIC :: grazrat2 !: maximal mesozoo grazing rate |
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39 | REAL(wp), PUBLIC :: xkgraz2 !: non assimilated fraction of P by mesozoo |
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40 | REAL(wp), PUBLIC :: unass2 !: Efficicency of mesozoo growth |
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41 | REAL(wp), PUBLIC :: sigma2 !: Fraction of mesozoo excretion as DOM |
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42 | REAL(wp), PUBLIC :: epsher2 !: growth efficiency |
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43 | REAL(wp), PUBLIC :: epsher2min !: minimum growth efficiency at high food for grazing 2 |
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44 | REAL(wp), PUBLIC :: grazflux !: mesozoo flux feeding rate |
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45 | |
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46 | !! * Substitutions |
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47 | # include "do_loop_substitute.h90" |
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48 | !!---------------------------------------------------------------------- |
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49 | !! NEMO/TOP 4.0 , NEMO Consortium (2018) |
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50 | !! $Id$ |
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51 | !! Software governed by the CeCILL license (see ./LICENSE) |
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52 | !!---------------------------------------------------------------------- |
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53 | CONTAINS |
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54 | |
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55 | SUBROUTINE p4z_meso( kt, knt, Kbb, Krhs ) |
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56 | !!--------------------------------------------------------------------- |
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57 | !! *** ROUTINE p4z_meso *** |
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58 | !! |
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59 | !! ** Purpose : Compute the sources/sinks for mesozooplankton |
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60 | !! |
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61 | !! ** Method : - ??? |
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62 | !!--------------------------------------------------------------------- |
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63 | INTEGER, INTENT(in) :: kt, knt ! ocean time step and ??? |
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64 | INTEGER, INTENT(in) :: Kbb, Krhs ! time level indices |
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65 | ! |
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66 | INTEGER :: ji, jj, jk |
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67 | REAL(wp) :: zcompadi, zcompaph, zcompapoc, zcompaz, zcompam |
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68 | REAL(wp) :: zgraze2 , zdenom, zdenom2 |
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69 | REAL(wp) :: zfact , zfood, zfoodlim, zproport, zbeta |
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70 | REAL(wp) :: zmortzgoc, zfrac, zfracfe, zratio, zratio2, zfracal, zgrazcal |
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71 | REAL(wp) :: zepsherf, zepshert, zepsherv, zepsherq |
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72 | REAL(wp) :: zgrarsig, zgraztotc, zgraztotn, zgraztotf |
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73 | REAL(wp) :: zgrarem2, zgrafer2, zgrapoc2, zprcaca, zmortz, zgrasrat, zgrasratn |
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74 | REAL(wp) :: zrespz, ztortz, zgrazd, zgrazz, zgrazpof |
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75 | REAL(wp) :: zgrazn, zgrazpoc, zgraznf, zgrazf |
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76 | REAL(wp) :: zgrazfffp, zgrazfffg, zgrazffep, zgrazffeg |
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77 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zgrazing2, zfezoo2, zz2ligprod |
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78 | CHARACTER (len=25) :: charout |
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79 | !!--------------------------------------------------------------------- |
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80 | ! |
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81 | IF( ln_timing ) CALL timing_start('p4z_meso') |
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82 | ! |
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83 | DO_3D_11_11( 1, jpkm1 ) |
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84 | zcompam = MAX( ( tr(ji,jj,jk,jpmes,Kbb) - 1.e-9 ), 0.e0 ) |
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85 | zfact = xstep * tgfunc2(ji,jj,jk) * zcompam |
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86 | |
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87 | ! Respiration rates of both zooplankton |
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88 | ! ------------------------------------- |
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89 | zrespz = resrat2 * zfact * ( tr(ji,jj,jk,jpmes,Kbb) / ( xkmort + tr(ji,jj,jk,jpmes,Kbb) ) & |
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90 | & + 3. * nitrfac(ji,jj,jk) ) |
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91 | |
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92 | ! Zooplankton mortality. A square function has been selected with |
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93 | ! no real reason except that it seems to be more stable and may mimic predation |
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94 | ! --------------------------------------------------------------- |
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95 | ztortz = mzrat2 * 1.e6 * zfact * tr(ji,jj,jk,jpmes,Kbb) * (1. - nitrfac(ji,jj,jk) ) |
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96 | ! |
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97 | zcompadi = MAX( ( tr(ji,jj,jk,jpdia,Kbb) - xthresh2dia ), 0.e0 ) |
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98 | zcompaz = MAX( ( tr(ji,jj,jk,jpzoo,Kbb) - xthresh2zoo ), 0.e0 ) |
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99 | zcompapoc = MAX( ( tr(ji,jj,jk,jppoc,Kbb) - xthresh2poc ), 0.e0 ) |
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100 | ! Size effect of nanophytoplankton on grazing : the smaller it is, the less prone |
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101 | ! it is to predation by mesozooplankton |
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102 | ! ------------------------------------------------------------------------------- |
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103 | zcompaph = MAX( ( tr(ji,jj,jk,jpphy,Kbb) - xthresh2phy ), 0.e0 ) & |
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104 | & * MIN(1., MAX( 0., ( quotan(ji,jj,jk) - 0.2) / 0.3 ) ) |
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105 | |
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106 | ! Mesozooplankton grazing |
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107 | ! ------------------------ |
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108 | zfood = xpref2d * zcompadi + xpref2z * zcompaz + xpref2n * zcompaph + xpref2c * zcompapoc |
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109 | zfoodlim = MAX( 0., zfood - MIN( 0.5 * zfood, xthresh2 ) ) |
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110 | zdenom = zfoodlim / ( xkgraz2 + zfoodlim ) |
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111 | zdenom2 = zdenom / ( zfood + rtrn ) |
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112 | zgraze2 = grazrat2 * xstep * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jpmes,Kbb) * (1. - nitrfac(ji,jj,jk)) |
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113 | |
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114 | zgrazd = zgraze2 * xpref2d * zcompadi * zdenom2 |
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115 | zgrazz = zgraze2 * xpref2z * zcompaz * zdenom2 |
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116 | zgrazn = zgraze2 * xpref2n * zcompaph * zdenom2 |
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117 | zgrazpoc = zgraze2 * xpref2c * zcompapoc * zdenom2 |
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118 | |
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119 | zgraznf = zgrazn * tr(ji,jj,jk,jpnfe,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn) |
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120 | zgrazf = zgrazd * tr(ji,jj,jk,jpdfe,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn) |
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121 | zgrazpof = zgrazpoc * tr(ji,jj,jk,jpsfe,Kbb) / ( tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
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122 | |
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123 | ! Mesozooplankton flux feeding on GOC |
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124 | ! ---------------------------------- |
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125 | zgrazffeg = grazflux * xstep * wsbio4(ji,jj,jk) & |
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126 | & * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jpgoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
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127 | & * (1. - nitrfac(ji,jj,jk)) |
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128 | zgrazfffg = zgrazffeg * tr(ji,jj,jk,jpbfe,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
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129 | zgrazffep = grazflux * xstep * wsbio3(ji,jj,jk) & |
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130 | & * tgfunc2(ji,jj,jk) * tr(ji,jj,jk,jppoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
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131 | & * (1. - nitrfac(ji,jj,jk)) |
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132 | zgrazfffp = zgrazffep * tr(ji,jj,jk,jpsfe,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + rtrn) |
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133 | ! |
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134 | zgraztotc = zgrazd + zgrazz + zgrazn + zgrazpoc + zgrazffep + zgrazffeg |
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135 | ! Compute the proportion of filter feeders |
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136 | zproport = (zgrazffep + zgrazffeg)/(rtrn + zgraztotc) |
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137 | ! Compute fractionation of aggregates. It is assumed that |
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138 | ! diatoms based aggregates are more prone to fractionation |
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139 | ! since they are more porous (marine snow instead of fecal pellets) |
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140 | zratio = tr(ji,jj,jk,jpgsi,Kbb) / ( tr(ji,jj,jk,jpgoc,Kbb) + rtrn ) |
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141 | zratio2 = zratio * zratio |
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142 | zfrac = zproport * grazflux * xstep * wsbio4(ji,jj,jk) & |
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143 | & * tr(ji,jj,jk,jpgoc,Kbb) * tr(ji,jj,jk,jpmes,Kbb) & |
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144 | & * ( 0.2 + 3.8 * zratio2 / ( 1.**2 + zratio2 ) ) |
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145 | zfracfe = zfrac * tr(ji,jj,jk,jpbfe,Kbb) / (tr(ji,jj,jk,jpgoc,Kbb) + rtrn) |
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146 | |
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147 | zgrazffep = zproport * zgrazffep |
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148 | zgrazffeg = zproport * zgrazffeg |
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149 | zgrazfffp = zproport * zgrazfffp |
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150 | zgrazfffg = zproport * zgrazfffg |
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151 | zgraztotc = zgrazd + zgrazz + zgrazn + zgrazpoc + zgrazffep + zgrazffeg |
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152 | zgraztotn = zgrazd * quotad(ji,jj,jk) + zgrazz + zgrazn * quotan(ji,jj,jk) & |
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153 | & + zgrazpoc + zgrazffep + zgrazffeg |
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154 | zgraztotf = zgrazf + zgraznf + zgrazz * ferat3 + zgrazpof + zgrazfffp + zgrazfffg |
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155 | |
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156 | ! Total grazing ( grazing by microzoo is already computed in p4zmicro ) |
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157 | zgrazing2(ji,jj,jk) = zgraztotc |
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158 | |
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159 | ! Mesozooplankton efficiency. |
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160 | ! We adopt a formulation proposed by Mitra et al. (2007) |
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161 | ! The gross growth efficiency is controled by the most limiting nutrient. |
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162 | ! Growth is also further decreased when the food quality is poor. This is currently |
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163 | ! hard coded : it can be decreased by up to 50% (zepsherq) |
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164 | ! GGE can also be decreased when food quantity is high, zepsherf (Montagnes and |
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165 | ! Fulton, 2012) |
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166 | ! ----------------------------------------------------------------------------------- |
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167 | zgrasrat = ( zgraztotf + rtrn )/ ( zgraztotc + rtrn ) |
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168 | zgrasratn = ( zgraztotn + rtrn )/ ( zgraztotc + rtrn ) |
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169 | zepshert = MIN( 1., zgrasratn, zgrasrat / ferat3) |
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170 | zbeta = MAX(0., (epsher2 - epsher2min) ) |
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171 | zepsherf = epsher2min + zbeta / ( 1.0 + 0.04E6 * 12. * zfood * zbeta ) |
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172 | zepsherq = 0.5 + (1.0 - 0.5) * zepshert * ( 1.0 + 1.0 ) / ( zepshert + 1.0 ) |
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173 | zepsherv = zepsherf * zepshert * zepsherq |
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174 | |
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175 | zgrarem2 = zgraztotc * ( 1. - zepsherv - unass2 ) & |
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176 | & + ( 1. - epsher2 - unass2 ) / ( 1. - epsher2 ) * ztortz |
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177 | zgrafer2 = zgraztotc * MAX( 0. , ( 1. - unass2 ) * zgrasrat - ferat3 * zepsherv ) & |
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178 | & + ferat3 * ( ( 1. - epsher2 - unass2 ) /( 1. - epsher2 ) * ztortz ) |
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179 | zgrapoc2 = zgraztotc * unass2 |
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180 | |
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181 | |
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182 | ! Update the arrays TRA which contain the biological sources and sinks |
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183 | zgrarsig = zgrarem2 * sigma2 |
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184 | tr(ji,jj,jk,jppo4,Krhs) = tr(ji,jj,jk,jppo4,Krhs) + zgrarsig |
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185 | tr(ji,jj,jk,jpnh4,Krhs) = tr(ji,jj,jk,jpnh4,Krhs) + zgrarsig |
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186 | tr(ji,jj,jk,jpdoc,Krhs) = tr(ji,jj,jk,jpdoc,Krhs) + zgrarem2 - zgrarsig |
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187 | ! |
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188 | IF( ln_ligand ) THEN |
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189 | tr(ji,jj,jk,jplgw,Krhs) = tr(ji,jj,jk,jplgw,Krhs) + (zgrarem2 - zgrarsig) * ldocz |
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190 | zz2ligprod(ji,jj,jk) = (zgrarem2 - zgrarsig) * ldocz |
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191 | ENDIF |
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192 | ! |
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193 | tr(ji,jj,jk,jpoxy,Krhs) = tr(ji,jj,jk,jpoxy,Krhs) - o2ut * zgrarsig |
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194 | tr(ji,jj,jk,jpfer,Krhs) = tr(ji,jj,jk,jpfer,Krhs) + zgrafer2 |
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195 | zfezoo2(ji,jj,jk) = zgrafer2 |
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196 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) + zgrarsig |
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197 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) + rno3 * zgrarsig |
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198 | |
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199 | zmortz = ztortz + zrespz |
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200 | zmortzgoc = unass2 / ( 1. - epsher2 ) * ztortz + zrespz |
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201 | tr(ji,jj,jk,jpmes,Krhs) = tr(ji,jj,jk,jpmes,Krhs) - zmortz + zepsherv * zgraztotc |
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202 | tr(ji,jj,jk,jpdia,Krhs) = tr(ji,jj,jk,jpdia,Krhs) - zgrazd |
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203 | tr(ji,jj,jk,jpzoo,Krhs) = tr(ji,jj,jk,jpzoo,Krhs) - zgrazz |
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204 | tr(ji,jj,jk,jpphy,Krhs) = tr(ji,jj,jk,jpphy,Krhs) - zgrazn |
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205 | tr(ji,jj,jk,jpnch,Krhs) = tr(ji,jj,jk,jpnch,Krhs) - zgrazn * tr(ji,jj,jk,jpnch,Kbb) / ( tr(ji,jj,jk,jpphy,Kbb) + rtrn ) |
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206 | tr(ji,jj,jk,jpdch,Krhs) = tr(ji,jj,jk,jpdch,Krhs) - zgrazd * tr(ji,jj,jk,jpdch,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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207 | tr(ji,jj,jk,jpdsi,Krhs) = tr(ji,jj,jk,jpdsi,Krhs) - zgrazd * tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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208 | tr(ji,jj,jk,jpgsi,Krhs) = tr(ji,jj,jk,jpgsi,Krhs) + zgrazd * tr(ji,jj,jk,jpdsi,Kbb) / ( tr(ji,jj,jk,jpdia,Kbb) + rtrn ) |
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209 | tr(ji,jj,jk,jpnfe,Krhs) = tr(ji,jj,jk,jpnfe,Krhs) - zgraznf |
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210 | tr(ji,jj,jk,jpdfe,Krhs) = tr(ji,jj,jk,jpdfe,Krhs) - zgrazf |
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211 | |
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212 | tr(ji,jj,jk,jppoc,Krhs) = tr(ji,jj,jk,jppoc,Krhs) - zgrazpoc - zgrazffep + zfrac |
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213 | prodpoc(ji,jj,jk) = prodpoc(ji,jj,jk) + zfrac |
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214 | conspoc(ji,jj,jk) = conspoc(ji,jj,jk) - zgrazpoc - zgrazffep |
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215 | tr(ji,jj,jk,jpgoc,Krhs) = tr(ji,jj,jk,jpgoc,Krhs) + zmortzgoc - zgrazffeg + zgrapoc2 - zfrac |
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216 | prodgoc(ji,jj,jk) = prodgoc(ji,jj,jk) + zmortzgoc + zgrapoc2 |
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217 | consgoc(ji,jj,jk) = consgoc(ji,jj,jk) - zgrazffeg - zfrac |
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218 | tr(ji,jj,jk,jpsfe,Krhs) = tr(ji,jj,jk,jpsfe,Krhs) - zgrazpof - zgrazfffp + zfracfe |
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219 | tr(ji,jj,jk,jpbfe,Krhs) = tr(ji,jj,jk,jpbfe,Krhs) + ferat3 * zmortzgoc - zgrazfffg & |
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220 | & + zgraztotf * unass2 - zfracfe |
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221 | zfracal = tr(ji,jj,jk,jpcal,Kbb) / (tr(ji,jj,jk,jppoc,Kbb) + tr(ji,jj,jk,jpgoc,Kbb) + rtrn ) |
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222 | zgrazcal = (zgrazffeg + zgrazpoc) * (1. - part2) * zfracal |
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223 | ! calcite production |
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224 | zprcaca = xfracal(ji,jj,jk) * zgrazn |
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225 | prodcal(ji,jj,jk) = prodcal(ji,jj,jk) + zprcaca ! prodcal=prodcal(nanophy)+prodcal(microzoo)+prodcal(mesozoo) |
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226 | ! |
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227 | zprcaca = part2 * zprcaca |
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228 | tr(ji,jj,jk,jpdic,Krhs) = tr(ji,jj,jk,jpdic,Krhs) + zgrazcal - zprcaca |
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229 | tr(ji,jj,jk,jptal,Krhs) = tr(ji,jj,jk,jptal,Krhs) - 2. * ( zgrazcal + zprcaca ) |
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230 | tr(ji,jj,jk,jpcal,Krhs) = tr(ji,jj,jk,jpcal,Krhs) - zgrazcal + zprcaca |
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231 | END_3D |
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232 | ! |
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233 | IF( lk_iomput .AND. knt == nrdttrc ) THEN |
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234 | CALL iom_put( "PCAL" , prodcal(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ) ! Calcite production |
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235 | IF( iom_use("GRAZ2") ) THEN ! Total grazing of phyto by zooplankton |
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236 | zgrazing2(:,:,jpk) = 0._wp ; CALL iom_put( "GRAZ2" , zgrazing2(:,:,:) * 1.e+3 * rfact2r * tmask(:,:,:) ) |
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237 | ENDIF |
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238 | IF( iom_use("FEZOO2") ) THEN |
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239 | zfezoo2 (:,:,jpk) = 0._wp ; CALL iom_put( "FEZOO2", zfezoo2(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ) |
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240 | ENDIF |
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241 | IF( ln_ligand ) THEN |
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242 | zz2ligprod(:,:,jpk) = 0._wp ; CALL iom_put( "LPRODZ2", zz2ligprod(:,:,:) * 1e9 * 1.e+3 * rfact2r * tmask(:,:,:) ) |
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243 | ENDIF |
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244 | ENDIF |
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245 | ! |
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246 | IF(sn_cfctl%l_prttrc) THEN ! print mean trends (used for debugging) |
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247 | WRITE(charout, FMT="('meso')") |
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248 | CALL prt_ctl_info( charout, cdcomp = 'top' ) |
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249 | CALL prt_ctl(tab4d_1=tr(:,:,:,:,Krhs), mask1=tmask, clinfo=ctrcnm) |
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250 | ENDIF |
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251 | ! |
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252 | IF( ln_timing ) CALL timing_stop('p4z_meso') |
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253 | ! |
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254 | END SUBROUTINE p4z_meso |
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255 | |
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256 | |
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257 | SUBROUTINE p4z_meso_init |
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258 | !!---------------------------------------------------------------------- |
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259 | !! *** ROUTINE p4z_meso_init *** |
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260 | !! |
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261 | !! ** Purpose : Initialization of mesozooplankton parameters |
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262 | !! |
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263 | !! ** Method : Read the nampismes namelist and check the parameters |
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264 | !! called at the first timestep (nittrc000) |
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265 | !! |
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266 | !! ** input : Namelist nampismes |
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267 | !!---------------------------------------------------------------------- |
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268 | INTEGER :: ios ! Local integer |
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269 | ! |
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270 | NAMELIST/namp4zmes/ part2, grazrat2, resrat2, mzrat2, xpref2n, xpref2d, xpref2z, & |
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271 | & xpref2c, xthresh2dia, xthresh2phy, xthresh2zoo, xthresh2poc, & |
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272 | & xthresh2, xkgraz2, epsher2, epsher2min, sigma2, unass2, grazflux |
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273 | !!---------------------------------------------------------------------- |
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274 | ! |
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275 | IF(lwp) THEN |
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276 | WRITE(numout,*) |
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277 | WRITE(numout,*) 'p4z_meso_init : Initialization of mesozooplankton parameters' |
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278 | WRITE(numout,*) '~~~~~~~~~~~~~' |
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279 | ENDIF |
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280 | ! |
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281 | READ ( numnatp_ref, namp4zmes, IOSTAT = ios, ERR = 901) |
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282 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zmes in reference namelist' ) |
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283 | READ ( numnatp_cfg, namp4zmes, IOSTAT = ios, ERR = 902 ) |
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284 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp4zmes in configuration namelist' ) |
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285 | IF(lwm) WRITE( numonp, namp4zmes ) |
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286 | ! |
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287 | IF(lwp) THEN ! control print |
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288 | WRITE(numout,*) ' Namelist : namp4zmes' |
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289 | WRITE(numout,*) ' part of calcite not dissolved in mesozoo guts part2 =', part2 |
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290 | WRITE(numout,*) ' mesozoo preference for phyto xpref2n =', xpref2n |
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291 | WRITE(numout,*) ' mesozoo preference for diatoms xpref2d =', xpref2d |
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292 | WRITE(numout,*) ' mesozoo preference for zoo xpref2z =', xpref2z |
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293 | WRITE(numout,*) ' mesozoo preference for poc xpref2c =', xpref2c |
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294 | WRITE(numout,*) ' microzoo feeding threshold for mesozoo xthresh2zoo =', xthresh2zoo |
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295 | WRITE(numout,*) ' diatoms feeding threshold for mesozoo xthresh2dia =', xthresh2dia |
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296 | WRITE(numout,*) ' nanophyto feeding threshold for mesozoo xthresh2phy =', xthresh2phy |
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297 | WRITE(numout,*) ' poc feeding threshold for mesozoo xthresh2poc =', xthresh2poc |
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298 | WRITE(numout,*) ' feeding threshold for mesozooplankton xthresh2 =', xthresh2 |
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299 | WRITE(numout,*) ' exsudation rate of mesozooplankton resrat2 =', resrat2 |
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300 | WRITE(numout,*) ' mesozooplankton mortality rate mzrat2 =', mzrat2 |
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301 | WRITE(numout,*) ' maximal mesozoo grazing rate grazrat2 =', grazrat2 |
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302 | WRITE(numout,*) ' mesozoo flux feeding rate grazflux =', grazflux |
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303 | WRITE(numout,*) ' non assimilated fraction of P by mesozoo unass2 =', unass2 |
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304 | WRITE(numout,*) ' Efficiency of Mesozoo growth epsher2 =', epsher2 |
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305 | WRITE(numout,*) ' Minimum Efficiency of Mesozoo growth epsher2min =', epsher2min |
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306 | WRITE(numout,*) ' Fraction of mesozoo excretion as DOM sigma2 =', sigma2 |
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307 | WRITE(numout,*) ' half sturation constant for grazing 2 xkgraz2 =', xkgraz2 |
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308 | ENDIF |
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309 | ! |
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310 | END SUBROUTINE p4z_meso_init |
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311 | |
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312 | !!====================================================================== |
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313 | END MODULE p4zmeso |
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