1 | MODULE p4zprod |
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2 | !!====================================================================== |
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3 | !! *** MODULE p4zprod *** |
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4 | !! TOP : Growth Rate of the two phytoplankton groups of PISCES |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
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7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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8 | !! 3.4 ! 2011-05 (O. Aumont, C. Ethe) New parameterization of light limitation |
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9 | !!---------------------------------------------------------------------- |
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10 | !! p4z_prod : Compute the growth Rate of the two phytoplanktons groups |
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11 | !! p4z_prod_init : Initialization of the parameters for growth |
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12 | !! p4z_prod_alloc : Allocate variables for growth |
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13 | !!---------------------------------------------------------------------- |
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14 | USE oce_trc ! shared variables between ocean and passive tracers |
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15 | USE trc ! passive tracers common variables |
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16 | USE sms_pisces ! PISCES Source Minus Sink variables |
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17 | USE p4zlim ! Co-limitations of differents nutrients |
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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 p4z_prod ! called in p4zbio.F90 |
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25 | PUBLIC p4z_prod_init ! called in trcsms_pisces.F90 |
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26 | PUBLIC p4z_prod_alloc ! called in trcini_pisces.F90 |
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27 | |
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28 | REAL(wp), PUBLIC :: pislopen !: P-I slope of nanophytoplankton |
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29 | REAL(wp), PUBLIC :: pisloped !: P-I slope of diatoms |
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30 | REAL(wp), PUBLIC :: xadap !: Adaptation factor to low light |
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31 | REAL(wp), PUBLIC :: excretn !: Excretion ratio of nanophyto |
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32 | REAL(wp), PUBLIC :: excretd !: Excretion ratio of diatoms |
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33 | REAL(wp), PUBLIC :: bresp !: Basal respiration rate |
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34 | REAL(wp), PUBLIC :: chlcnm !: Maximum Chl/C ratio of nano |
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35 | REAL(wp), PUBLIC :: chlcdm !: Maximum Chl/C ratio of diatoms |
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36 | REAL(wp), PUBLIC :: chlcmin !: Minimum Chl/C ratio of phytoplankton |
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37 | REAL(wp), PUBLIC :: fecnm !: Maximum Fe/C ratio of nano |
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38 | REAL(wp), PUBLIC :: fecdm !: Maximum Fe/C ratio of diatoms |
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39 | REAL(wp), PUBLIC :: grosip !: Mean Si/C ratio of diatoms |
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40 | |
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41 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: quotan !: proxy of N quota in Nanophyto |
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42 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: quotad !: proxy of N quota in diatoms |
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43 | |
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44 | REAL(wp) :: r1_rday ! 1 / rday |
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45 | REAL(wp) :: texcretn ! 1 - excretn |
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46 | REAL(wp) :: texcretd ! 1 - excretd |
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47 | |
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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_prod( kt , knt ) |
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56 | !!--------------------------------------------------------------------- |
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57 | !! *** ROUTINE p4z_prod *** |
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58 | !! |
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59 | !! ** Purpose : Computes phytoplankton production depending on |
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60 | !! light, temperature and nutrient availability |
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61 | !! Computes also the uptake of Iron and Si as well |
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62 | !! as the chlorophyll content of the cells |
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63 | !! PISCES relies on a mixed Monod-Quota formalism |
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64 | !!--------------------------------------------------------------------- |
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65 | INTEGER, INTENT(in) :: kt, knt ! |
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66 | ! |
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67 | INTEGER :: ji, jj, jk |
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68 | REAL(wp) :: zsilfac, znanotot, zdiattot, zconctemp, zconctemp2 |
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69 | REAL(wp) :: zratio, zmax, zsilim, ztn, zadap, zlim, zsiborn |
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70 | REAL(wp) :: zprod, zproreg, zproreg2, zprochln, zprochld |
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71 | REAL(wp) :: zdocprod, zpislopen, zpisloped, zfact |
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72 | REAL(wp) :: zratiosi, zmaxsi, zlimfac, zsizetmp, zfecnm, zfecdm |
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73 | REAL(wp) :: zrum, zcodel, zargu, zval, zfeup |
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74 | CHARACTER (len=25) :: charout |
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75 | REAL(wp), ALLOCATABLE, DIMENSION(:,:) :: zw2d |
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76 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: zw3d |
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77 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprmaxn,zprmaxd |
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78 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpislopeadn, zpislopeadd, zysopt |
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79 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprdia, zprbio, zprchld, zprchln |
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80 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zprorcan, zprorcad, zprofed, zprofen |
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81 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpronewn, zpronewd |
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82 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zmxl_fac, zmxl_chl |
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83 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zpligprod1, zpligprod2 |
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84 | !!--------------------------------------------------------------------- |
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85 | ! |
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86 | IF( ln_timing ) CALL timing_start('p4z_prod') |
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87 | ! |
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88 | ! Allocate temporary workspace |
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89 | ! |
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90 | zprorcan(:,:,:) = 0._wp ; zprorcad(:,:,:) = 0._wp ; zprofed (:,:,:) = 0._wp |
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91 | zprofen (:,:,:) = 0._wp ; zysopt (:,:,:) = 0._wp |
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92 | zpronewn(:,:,:) = 0._wp ; zpronewd(:,:,:) = 0._wp ; zprdia (:,:,:) = 0._wp |
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93 | zprbio (:,:,:) = 0._wp ; zprchld (:,:,:) = 0._wp ; zprchln (:,:,:) = 0._wp |
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94 | zmxl_fac(:,:,:) = 0._wp ; zmxl_chl(:,:,:) = 0._wp |
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95 | consfe3 (:,:,:) = 0._wp |
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96 | |
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97 | ! Computation of the maximimum production. Based on a Q10 description |
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98 | ! of the thermal dependency |
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99 | ! Parameters are taken from Bissinger et al. (2008) |
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100 | zprmaxn(:,:,:) = 0.8_wp * r1_rday * tgfunc(:,:,:) |
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101 | zprmaxd(:,:,:) = zprmaxn(:,:,:) |
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102 | |
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103 | ! Impact of the day duration and light intermittency on phytoplankton growth |
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104 | ! Intermittency is supposed to have a similar effect on production as |
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105 | ! day length (Shatwell et al., 2012). The correcting factor is zmxl_fac. |
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106 | ! zmxl_chl is the fractional day length and is used to compute the mean |
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107 | ! PAR during daytime. The effect of mixing is computed using the |
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108 | ! absolute light level definition of the euphotic zone |
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109 | ! ------------------------------------------------------------------------- |
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110 | DO jk = 1, jpkm1 |
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111 | DO jj = 1 ,jpj |
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112 | DO ji = 1, jpi |
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113 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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114 | zval = MAX( 1., strn(ji,jj) ) |
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115 | IF( gdepw_n(ji,jj,jk+1) <= hmld(ji,jj) ) THEN |
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116 | zval = zval * MIN(1., heup_01(ji,jj) / ( hmld(ji,jj) + rtrn )) |
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117 | ENDIF |
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118 | zmxl_chl(ji,jj,jk) = zval / 24. |
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119 | zmxl_fac(ji,jj,jk) = 1.0 - exp( -0.26 * zval ) |
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120 | ENDIF |
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121 | END DO |
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122 | END DO |
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123 | END DO |
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124 | |
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125 | zprbio(:,:,:) = zprmaxn(:,:,:) * zmxl_fac(:,:,:) |
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126 | zprdia(:,:,:) = zprmaxd(:,:,:) * zmxl_fac(:,:,:) |
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127 | |
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128 | ! Computation of the P-I slope for nanos and diatoms |
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129 | ! The formulation proposed by Geider et al. (1997) has been modified |
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130 | ! to exclude the effect of nutrient limitation and temperature in the PI |
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131 | ! curve following Vichi et al. (2007) |
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132 | ! ----------------------------------------------------------------------- |
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133 | DO jk = 1, jpkm1 |
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134 | DO jj = 1, jpj |
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135 | DO ji = 1, jpi |
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136 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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137 | ztn = MAX( 0., tsn(ji,jj,jk,jp_tem) - 15. ) |
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138 | zadap = xadap * ztn / ( 2.+ ztn ) |
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139 | zconctemp = MAX( 0.e0 , trb(ji,jj,jk,jpdia) - xsizedia ) |
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140 | zconctemp2 = trb(ji,jj,jk,jpdia) - zconctemp |
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141 | |
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142 | ! The initial slope of the PI curve can be increased for nano |
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143 | ! to account for photadaptation, for instance in the DCM |
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144 | ! This parameterization is adhoc and should be either |
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145 | ! improved or removed in future versions of the model |
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146 | |
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147 | ! Nanophytoplankton |
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148 | zpislopeadn(ji,jj,jk) = pislopen * ( 1.+ zadap * EXP( -0.25 * enano(ji,jj,jk) ) ) & |
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149 | & * trb(ji,jj,jk,jpnch) /( trb(ji,jj,jk,jpphy) * 12. + rtrn) |
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150 | |
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151 | ! Diatoms |
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152 | zpislopeadd(ji,jj,jk) = (pislopen * zconctemp2 + pisloped * zconctemp) / ( trb(ji,jj,jk,jpdia) + rtrn ) & |
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153 | & * trb(ji,jj,jk,jpdch) /( trb(ji,jj,jk,jpdia) * 12. + rtrn) |
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154 | ENDIF |
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155 | END DO |
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156 | END DO |
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157 | END DO |
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158 | |
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159 | DO jk = 1, jpkm1 |
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160 | DO jj = 1, jpj |
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161 | DO ji = 1, jpi |
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162 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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163 | ! Computation of production function for Carbon |
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164 | ! Actual light levels are used here |
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165 | ! ---------------------------------------------- |
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166 | zpislopen = zpislopeadn(ji,jj,jk) / ( ( r1_rday + bresp * r1_rday ) & |
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167 | & * zmxl_fac(ji,jj,jk) * rday + rtrn) |
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168 | zpisloped = zpislopeadd(ji,jj,jk) / ( ( r1_rday + bresp * r1_rday ) & |
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169 | & * zmxl_fac(ji,jj,jk) * rday + rtrn) |
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170 | zprbio(ji,jj,jk) = zprbio(ji,jj,jk) * ( 1.- EXP( -zpislopen * enano(ji,jj,jk) ) ) |
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171 | zprdia(ji,jj,jk) = zprdia(ji,jj,jk) * ( 1.- EXP( -zpisloped * ediat(ji,jj,jk) ) ) |
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172 | |
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173 | ! Computation of production function for Chlorophyll |
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174 | ! Mean light level in the mixed layer (when appropriate) |
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175 | ! is used here (acclimation is in general slower than |
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176 | ! the characteristic time scales of vertical mixing) |
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177 | ! ------------------------------------------------------ |
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178 | zpislopen = zpislopeadn(ji,jj,jk) / ( zprmaxn(ji,jj,jk) * zmxl_chl(ji,jj,jk) * rday + rtrn ) |
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179 | zpisloped = zpislopeadd(ji,jj,jk) / ( zprmaxd(ji,jj,jk) * zmxl_chl(ji,jj,jk) * rday + rtrn ) |
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180 | zprchln(ji,jj,jk) = zprmaxn(ji,jj,jk) * ( 1.- EXP( -zpislopen * enanom(ji,jj,jk) ) ) |
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181 | zprchld(ji,jj,jk) = zprmaxd(ji,jj,jk) * ( 1.- EXP( -zpisloped * ediatm(ji,jj,jk) ) ) |
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182 | ENDIF |
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183 | END DO |
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184 | END DO |
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185 | END DO |
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186 | |
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187 | ! Computation of a proxy of the N/C quota from nutrient limitation |
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188 | ! and light limitation. Steady state is assumed to allow the computation |
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189 | ! ---------------------------------------------------------------------- |
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190 | DO jk = 1, jpkm1 |
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191 | DO jj = 1, jpj |
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192 | DO ji = 1, jpi |
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193 | zval = MIN( xnanopo4(ji,jj,jk), ( xnanonh4(ji,jj,jk) + xnanono3(ji,jj,jk) ) ) & |
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194 | & * zprmaxn(ji,jj,jk) / ( zprbio(ji,jj,jk) + rtrn ) |
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195 | quotan(ji,jj,jk) = MIN( 1., 0.3 + 0.7 * zval ) |
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196 | zval = MIN( xdiatpo4(ji,jj,jk), ( xdiatnh4(ji,jj,jk) + xdiatno3(ji,jj,jk) ) ) & |
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197 | & * zprmaxd(ji,jj,jk) / ( zprdia(ji,jj,jk) + rtrn ) |
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198 | quotad(ji,jj,jk) = MIN( 1., 0.3 + 0.7 * zval ) |
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199 | END DO |
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200 | END DO |
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201 | END DO |
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202 | |
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203 | |
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204 | DO jk = 1, jpkm1 |
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205 | DO jj = 1, jpj |
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206 | DO ji = 1, jpi |
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207 | |
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208 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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209 | |
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210 | ! Si/C of diatoms |
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211 | ! ------------------------ |
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212 | ! Si/C increases with iron stress and silicate availability |
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213 | ! Si/C is arbitrariliy increased for very high Si concentrations |
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214 | ! to mimic the very high ratios observed in the Southern Ocean (zsilfac) |
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215 | ! A parameterization derived from Flynn (2003) is used for the control |
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216 | ! when Si is not limiting which is similar to the parameterisation |
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217 | ! proposed by Gurney and Davidson (1999). |
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218 | ! ----------------------------------------------------------------------- |
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219 | zlim = trb(ji,jj,jk,jpsil) / ( trb(ji,jj,jk,jpsil) + xksi1 ) |
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220 | zsilim = xlimdia(ji,jj,jk) * zprdia(ji,jj,jk) / ( zprmaxd(ji,jj,jk) + rtrn ) |
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221 | zsiborn = trb(ji,jj,1,jpsil)**3 |
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222 | IF (gphit(ji,jj) < -30.0 ) THEN |
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223 | zsilfac = 1. + 2. * zsiborn / ( zsiborn + xksi2**3 ) |
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224 | ELSE |
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225 | zsilfac = 1. + zsiborn / ( zsiborn + xksi2**3 ) |
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226 | ENDIF |
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227 | zratiosi = 1.0 - trb(ji,jj,jk,jpdsi) / ( trb(ji,jj,jk,jpdia) + rtrn ) / ( zsilfac * grosip * 3.0 + rtrn ) |
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228 | zratiosi = MAX(0., MIN(1.0, zratiosi) ) |
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229 | zmaxsi = (1.0 + 0.1**4) * zratiosi**4 / ( zratiosi**4 + 0.1**4 ) |
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230 | IF ( xlimsi(ji,jj,jk) /= xlimdia(ji,jj,jk) ) THEN |
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231 | zysopt(ji,jj,jk) = zlim * zsilfac * grosip * 1.0 * zmaxsi |
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232 | ELSE |
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233 | zysopt(ji,jj,jk) = zlim * zsilfac * grosip * 1.0 * zsilim**0.7 * zmaxsi |
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234 | ENDIF |
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235 | ENDIF |
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236 | END DO |
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237 | END DO |
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238 | END DO |
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239 | |
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240 | ! Sea-ice effect on production |
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241 | ! No production is assumed below sea ice |
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242 | ! -------------------------------------- |
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243 | DO jk = 1, jpkm1 |
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244 | DO jj = 1, jpj |
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245 | DO ji = 1, jpi |
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246 | zprbio(ji,jj,jk) = zprbio(ji,jj,jk) * ( 1. - fr_i(ji,jj) ) |
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247 | zprdia(ji,jj,jk) = zprdia(ji,jj,jk) * ( 1. - fr_i(ji,jj) ) |
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248 | END DO |
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249 | END DO |
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250 | END DO |
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251 | |
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252 | ! Computation of the various production and nutrient uptake terms |
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253 | ! --------------------------------------------------------------- |
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254 | DO jk = 1, jpkm1 |
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255 | DO jj = 1, jpj |
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256 | DO ji = 1, jpi |
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257 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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258 | ! production term of nanophyto. (C) |
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259 | zprorcan(ji,jj,jk) = zprbio(ji,jj,jk) * xlimphy(ji,jj,jk) * trb(ji,jj,jk,jpphy) * rfact2 |
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260 | |
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261 | ! New production (uptake of NO3) |
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262 | zpronewn(ji,jj,jk) = zprorcan(ji,jj,jk)* xnanono3(ji,jj,jk) / ( xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) + rtrn ) |
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263 | |
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264 | ! Size computation |
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265 | ! Size is made a function of the limitation of of phytoplankton growth |
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266 | ! Strongly limited cells are supposed to be smaller. sizena is the |
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267 | ! size at time step t+1 and is thus updated at the end of the |
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268 | ! current time step |
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269 | ! -------------------------------------------------------------------- |
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270 | zlimfac = xlimphy(ji,jj,jk) * zprchln(ji,jj,jk) / ( zprmaxn(ji,jj,jk) + rtrn ) |
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271 | zsizetmp = 1.0 + 1.3 * ( xsizern - 1.0 ) * zlimfac**3/(0.3 + zlimfac**3) |
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272 | sizena(ji,jj,jk) = min(xsizern, max( sizena(ji,jj,jk), zsizetmp ) ) |
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273 | |
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274 | ! Iron uptake rates of nanophytoplankton. Upregulation is |
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275 | ! not parameterized at low iron concentrations as observations |
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276 | ! do not suggest it for accimated cells. Uptake is |
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277 | ! downregulated when the quota is close to the maximum quota |
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278 | zfecnm = xqfuncfecn(ji,jj,jk) + ( fecnm - xqfuncfecn(ji,jj,jk) ) * ( xnanono3(ji,jj,jk) + xnanonh4(ji,jj,jk) ) |
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279 | zratio = 1.0 - MIN(1.0,trb(ji,jj,jk,jpnfe) / ( trb(ji,jj,jk,jpphy) * zfecnm + rtrn ) ) |
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280 | zmax = MAX( 0., MIN( 1.0, zratio**2/ (0.05**2+zratio**2) ) ) |
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281 | zprofen(ji,jj,jk) = zfecnm * zprmaxn(ji,jj,jk) * ( 1.0 - fr_i(ji,jj) ) & |
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282 | & * (1. + 0.8 * xnanono3(ji,jj,jk) / ( rtrn + xnanono3(ji,jj,jk) & |
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283 | & + xnanonh4(ji,jj,jk) ) * (1. - xnanofer(ji,jj,jk) ) ) & |
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284 | & * xnanofer(ji,jj,jk) * zmax * trb(ji,jj,jk,jpphy) * rfact2 |
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285 | ! production terms of diatoms (C) |
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286 | zprorcad(ji,jj,jk) = zprdia(ji,jj,jk) * xlimdia(ji,jj,jk) * trb(ji,jj,jk,jpdia) * rfact2 |
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287 | |
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288 | ! New production (uptake of NO3) |
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289 | zpronewd(ji,jj,jk) = zprorcad(ji,jj,jk) * xdiatno3(ji,jj,jk) / ( xdiatno3(ji,jj,jk) + xdiatnh4(ji,jj,jk) + rtrn ) |
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290 | |
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291 | ! Size computation |
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292 | ! Size is made a function of the limitation of of phytoplankton growth |
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293 | ! Strongly limited cells are supposed to be smaller. sizeda is |
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294 | ! size at time step t+1 and is thus updated at the end of the |
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295 | ! current time step. |
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296 | ! -------------------------------------------------------------------- |
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297 | zlimfac = zprchld(ji,jj,jk) * xlimdia(ji,jj,jk) / ( zprmaxd(ji,jj,jk) + rtrn ) |
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298 | zsizetmp = 1.0 + 1.3 * ( xsizerd - 1.0 ) * zlimfac**3/(0.3 + zlimfac**3) |
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299 | sizeda(ji,jj,jk) = min(xsizerd, max( sizeda(ji,jj,jk), zsizetmp ) ) |
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300 | |
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301 | ! Iron uptake rates of diatoms. Upregulation is |
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302 | ! not parameterized at low iron concentrations as observations |
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303 | ! do not suggest it for accimated cells. Uptake is |
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304 | ! downregulated when the quota is close to the maximum quota |
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305 | zfecdm = xqfuncfecd(ji,jj,jk) + ( fecdm - xqfuncfecd(ji,jj,jk) ) * ( xdiatno3(ji,jj,jk) + xdiatnh4(ji,jj,jk) ) |
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306 | zratio = 1.0 - MIN(1.0, trb(ji,jj,jk,jpdfe) / ( trb(ji,jj,jk,jpdia) * zfecdm + rtrn ) ) |
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307 | zmax = MAX( 0., MIN( 1.0, zratio**2/ (0.05**2+zratio**2) ) ) |
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308 | zprofed(ji,jj,jk) = zfecdm * zprmaxd(ji,jj,jk) * (1.0 - fr_i(ji,jj) ) & |
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309 | & * (1. + 0.8 * xdiatno3(ji,jj,jk) / ( rtrn + xdiatno3(ji,jj,jk) & |
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310 | & + xdiatnh4(ji,jj,jk) ) * (1. - xdiatfer(ji,jj,jk) ) ) & |
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311 | & * xdiatfer(ji,jj,jk) * zmax * trb(ji,jj,jk,jpdia) * rfact2 |
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312 | ENDIF |
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313 | END DO |
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314 | END DO |
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315 | END DO |
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316 | |
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317 | ! Computation of the chlorophyll production terms |
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318 | ! The parameterization is taken from Geider et al. (1997) |
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319 | ! ------------------------------------------------------- |
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320 | DO jk = 1, jpkm1 |
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321 | DO jj = 1, jpj |
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322 | DO ji = 1, jpi |
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323 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
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324 | ! production term for nanophyto. ( chlorophyll ) |
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325 | znanotot = enanom(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
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326 | zprod = rday * zprorcan(ji,jj,jk) * zprchln(ji,jj,jk) * xlimphy(ji,jj,jk) |
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327 | zprochln = chlcmin * 12. * zprorcan (ji,jj,jk) |
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328 | zprochln = zprochln + (chlcnm - chlcmin) * 12. * zprod / & |
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329 | & ( zpislopeadn(ji,jj,jk) * znanotot +rtrn) |
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330 | |
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331 | ! production terms of diatoms ( chlorophyll ) |
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332 | zdiattot = ediatm(ji,jj,jk) / ( zmxl_chl(ji,jj,jk) + rtrn ) |
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333 | zprod = rday * zprorcad(ji,jj,jk) * zprchld(ji,jj,jk) * xlimdia(ji,jj,jk) |
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334 | zprochld = chlcmin * 12. * zprorcad(ji,jj,jk) |
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335 | zprochld = zprochld + (chlcdm - chlcmin) * 12. * zprod / & |
---|
336 | & ( zpislopeadd(ji,jj,jk) * zdiattot +rtrn ) |
---|
337 | |
---|
338 | ! Update the arrays TRA which contain the Chla sources and sinks |
---|
339 | tra(ji,jj,jk,jpnch) = tra(ji,jj,jk,jpnch) + zprochln * texcretn |
---|
340 | tra(ji,jj,jk,jpdch) = tra(ji,jj,jk,jpdch) + zprochld * texcretd |
---|
341 | ENDIF |
---|
342 | END DO |
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343 | END DO |
---|
344 | END DO |
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345 | |
---|
346 | ! Update the arrays TRA which contain the biological sources and sinks |
---|
347 | DO jk = 1, jpkm1 |
---|
348 | DO jj = 1, jpj |
---|
349 | DO ji =1 ,jpi |
---|
350 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
---|
351 | zproreg = zprorcan(ji,jj,jk) - zpronewn(ji,jj,jk) |
---|
352 | zproreg2 = zprorcad(ji,jj,jk) - zpronewd(ji,jj,jk) |
---|
353 | zdocprod = excretd * zprorcad(ji,jj,jk) + excretn * zprorcan(ji,jj,jk) |
---|
354 | tra(ji,jj,jk,jppo4) = tra(ji,jj,jk,jppo4) - zprorcan(ji,jj,jk) - zprorcad(ji,jj,jk) |
---|
355 | tra(ji,jj,jk,jpno3) = tra(ji,jj,jk,jpno3) - zpronewn(ji,jj,jk) - zpronewd(ji,jj,jk) |
---|
356 | tra(ji,jj,jk,jpnh4) = tra(ji,jj,jk,jpnh4) - zproreg - zproreg2 |
---|
357 | tra(ji,jj,jk,jpphy) = tra(ji,jj,jk,jpphy) + zprorcan(ji,jj,jk) * texcretn |
---|
358 | tra(ji,jj,jk,jpnfe) = tra(ji,jj,jk,jpnfe) + zprofen(ji,jj,jk) * texcretn |
---|
359 | tra(ji,jj,jk,jpdia) = tra(ji,jj,jk,jpdia) + zprorcad(ji,jj,jk) * texcretd |
---|
360 | tra(ji,jj,jk,jpdfe) = tra(ji,jj,jk,jpdfe) + zprofed(ji,jj,jk) * texcretd |
---|
361 | tra(ji,jj,jk,jpdsi) = tra(ji,jj,jk,jpdsi) + zprmaxd(ji,jj,jk) * zysopt(ji,jj,jk) & |
---|
362 | & * rfact2 * trb(ji,jj,jk,jpdia) |
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363 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) + zdocprod |
---|
364 | tra(ji,jj,jk,jpoxy) = tra(ji,jj,jk,jpoxy) + o2ut * ( zproreg + zproreg2) & |
---|
365 | & + ( o2ut + o2nit ) * ( zpronewn(ji,jj,jk) + zpronewd(ji,jj,jk) ) |
---|
366 | ! |
---|
367 | tra(ji,jj,jk,jpfer) = tra(ji,jj,jk,jpfer) - ( texcretn * zprofen(ji,jj,jk) & |
---|
368 | & + texcretd * zprofed(ji,jj,jk) ) |
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369 | consfe3(ji,jj,jk) = ( texcretn * zprofen(ji,jj,jk) + texcretd * zprofed(ji,jj,jk) ) & |
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370 | & * 75.0 / ( rtrn + ( plig(ji,jj,jk) + 75.0 * (1.0 - plig(ji,jj,jk) ) ) * trb(ji,jj,jk,jpfer) ) / rfact2 |
---|
371 | tra(ji,jj,jk,jpsil) = tra(ji,jj,jk,jpsil) - zprmaxd(ji,jj,jk) * zysopt(ji,jj,jk) & |
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372 | & * rfact2 * trb(ji,jj,jk,jpdia) |
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373 | tra(ji,jj,jk,jpdic) = tra(ji,jj,jk,jpdic) - zprorcan(ji,jj,jk) - zprorcad(ji,jj,jk) |
---|
374 | tra(ji,jj,jk,jptal) = tra(ji,jj,jk,jptal) + rno3 * ( zpronewn(ji,jj,jk) + zpronewd(ji,jj,jk) ) & |
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375 | & - rno3 * ( zproreg + zproreg2 ) |
---|
376 | ENDIF |
---|
377 | END DO |
---|
378 | END DO |
---|
379 | END DO |
---|
380 | |
---|
381 | ! Production and uptake of ligands by phytoplankton. This part is activated |
---|
382 | ! when ln_ligand is set to .true. in the namelist. Ligand uptake is small |
---|
383 | ! and based on the FeL model by Morel et al. (2008) and on the study of |
---|
384 | ! Shaked et al. (2020) |
---|
385 | ! ------------------------------------------------------------------------- |
---|
386 | IF( ln_ligand ) THEN |
---|
387 | zpligprod1(:,:,:) = 0._wp ; zpligprod2(:,:,:) = 0._wp |
---|
388 | DO jk = 1, jpkm1 |
---|
389 | DO jj = 1, jpj |
---|
390 | DO ji =1 ,jpi |
---|
391 | IF( etot_ndcy(ji,jj,jk) > 1.E-3 ) THEN |
---|
392 | zdocprod = excretd * zprorcad(ji,jj,jk) + excretn * zprorcan(ji,jj,jk) |
---|
393 | zfeup = texcretn * zprofen(ji,jj,jk) + texcretd * zprofed(ji,jj,jk) |
---|
394 | tra(ji,jj,jk,jplgw) = tra(ji,jj,jk,jplgw) + zdocprod * ldocp & |
---|
395 | & - zfeup * plig(ji,jj,jk) / ( rtrn + plig(ji,jj,jk) + 75.0 * (1.0 - plig(ji,jj,jk) ) ) * lthet |
---|
396 | zpligprod1(ji,jj,jk) = zdocprod * ldocp |
---|
397 | zpligprod2(ji,jj,jk) = zfeup * plig(ji,jj,jk) / ( rtrn + plig(ji,jj,jk) & |
---|
398 | & + 75.0 * (1.0 - plig(ji,jj,jk) ) ) * lthet |
---|
399 | ENDIF |
---|
400 | END DO |
---|
401 | END DO |
---|
402 | END DO |
---|
403 | ENDIF |
---|
404 | |
---|
405 | |
---|
406 | ! Output of the diagnostics |
---|
407 | ! Total primary production per year |
---|
408 | IF( iom_use( "tintpp" ) .OR. ( ln_check_mass .AND. kt == nitend .AND. knt == nrdttrc ) ) & |
---|
409 | & tpp = glob_sum( 'p4zprod', ( zprorcan(:,:,:) + zprorcad(:,:,:) ) * cvol(:,:,:) ) |
---|
410 | |
---|
411 | IF( lk_iomput ) THEN |
---|
412 | IF( knt == nrdttrc ) THEN |
---|
413 | ALLOCATE( zw2d(jpi,jpj), zw3d(jpi,jpj,jpk) ) |
---|
414 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
---|
415 | ! |
---|
416 | IF( iom_use( "PPPHYN" ) .OR. iom_use( "PPPHYD" ) ) THEN |
---|
417 | zw3d(:,:,:) = zprorcan(:,:,:) * zfact * tmask(:,:,:) ! primary production by nanophyto |
---|
418 | CALL iom_put( "PPPHYN" , zw3d ) |
---|
419 | ! |
---|
420 | zw3d(:,:,:) = zprorcad(:,:,:) * zfact * tmask(:,:,:) ! primary production by diatomes |
---|
421 | CALL iom_put( "PPPHYD" , zw3d ) |
---|
422 | ENDIF |
---|
423 | IF( iom_use( "PPNEWN" ) .OR. iom_use( "PPNEWD" ) ) THEN |
---|
424 | zw3d(:,:,:) = zpronewn(:,:,:) * zfact * tmask(:,:,:) ! new primary production by nanophyto |
---|
425 | CALL iom_put( "PPNEWN" , zw3d ) |
---|
426 | ! |
---|
427 | zw3d(:,:,:) = zpronewd(:,:,:) * zfact * tmask(:,:,:) ! new primary production by diatoms |
---|
428 | CALL iom_put( "PPNEWD" , zw3d ) |
---|
429 | ENDIF |
---|
430 | IF( iom_use( "PBSi" ) ) THEN |
---|
431 | zw3d(:,:,:) = zprmaxd(:,:,:) * 1.E3 * tmask(:,:,:) * zysopt(:,:,:) * trb(:,:,:,jpdia) ! biogenic silica production |
---|
432 | CALL iom_put( "PBSi" , zw3d ) |
---|
433 | ENDIF |
---|
434 | IF( iom_use( "PFeN" ) .OR. iom_use( "PFeD" ) ) THEN |
---|
435 | zw3d(:,:,:) = zprofen(:,:,:) * zfact * tmask(:,:,:) ! biogenic iron production by nanophyto |
---|
436 | CALL iom_put( "PFeN" , zw3d ) |
---|
437 | ! |
---|
438 | zw3d(:,:,:) = zprofed(:,:,:) * zfact * tmask(:,:,:) ! biogenic iron production by diatoms |
---|
439 | CALL iom_put( "PFeD" , zw3d ) |
---|
440 | ENDIF |
---|
441 | IF( iom_use( "LPRODP" ) ) THEN |
---|
442 | zw3d(:,:,:) = zpligprod1(:,:,:) * 1e9 * zfact * tmask(:,:,:) ! Ligand production by phytoplankton |
---|
443 | CALL iom_put( "LPRODP" , zw3d ) |
---|
444 | ENDIF |
---|
445 | IF( iom_use( "LDETP" ) ) THEN |
---|
446 | zw3d(:,:,:) = zpligprod2(:,:,:) * 1e9 * zfact * tmask(:,:,:) ! Uptake of ligands by phytoplankton |
---|
447 | CALL iom_put( "LDETP" , zw3d ) |
---|
448 | ENDIF |
---|
449 | IF( iom_use( "Mumax" ) ) THEN |
---|
450 | zw3d(:,:,:) = zprmaxn(:,:,:) * tmask(:,:,:) ! Maximum growth rate |
---|
451 | CALL iom_put( "Mumax" , zw3d ) |
---|
452 | ENDIF |
---|
453 | IF( iom_use( "MuN" ) .OR. iom_use( "MuD" ) ) THEN |
---|
454 | zw3d(:,:,:) = zprbio(:,:,:) * xlimphy(:,:,:) * tmask(:,:,:) ! Realized growth rate for nanophyto |
---|
455 | CALL iom_put( "MuN" , zw3d ) |
---|
456 | ! |
---|
457 | zw3d(:,:,:) = zprdia(:,:,:) * xlimdia(:,:,:) * tmask(:,:,:) ! Realized growth rate for diatoms |
---|
458 | CALL iom_put( "MuD" , zw3d ) |
---|
459 | ENDIF |
---|
460 | IF( iom_use( "LNlight" ) .OR. iom_use( "LDlight" ) ) THEN |
---|
461 | zw3d(:,:,:) = zprbio (:,:,:) / (zprmaxn(:,:,:) + rtrn) * tmask(:,:,:) ! light limitation term of nanophytoplankton |
---|
462 | CALL iom_put( "LNlight" , zw3d ) |
---|
463 | ! |
---|
464 | zw3d(:,:,:) = zprdia (:,:,:) / (zprmaxd(:,:,:) + rtrn) * tmask(:,:,:) ! light limitation term of diatoms |
---|
465 | CALL iom_put( "LDlight" , zw3d ) |
---|
466 | ENDIF |
---|
467 | IF( iom_use( "TPP" ) ) THEN |
---|
468 | zw3d(:,:,:) = ( zprorcan(:,:,:) + zprorcad(:,:,:) ) * zfact * tmask(:,:,:) ! total primary production |
---|
469 | CALL iom_put( "TPP" , zw3d ) |
---|
470 | ENDIF |
---|
471 | IF( iom_use( "TPNEW" ) ) THEN |
---|
472 | zw3d(:,:,:) = ( zpronewn(:,:,:) + zpronewd(:,:,:) ) * zfact * tmask(:,:,:) ! total new production |
---|
473 | CALL iom_put( "TPNEW" , zw3d ) |
---|
474 | ENDIF |
---|
475 | IF( iom_use( "TPBFE" ) ) THEN |
---|
476 | zw3d(:,:,:) = ( zprofen(:,:,:) + zprofed(:,:,:) ) * zfact * tmask(:,:,:) ! total biogenic iron production |
---|
477 | CALL iom_put( "TPBFE" , zw3d ) |
---|
478 | ENDIF |
---|
479 | IF( iom_use( "INTPPPHYN" ) .OR. iom_use( "INTPPPHYD" ) ) THEN |
---|
480 | zw2d(:,:) = 0. |
---|
481 | DO jk = 1, jpkm1 |
---|
482 | zw2d(:,:) = zw2d(:,:) + zprorcan(:,:,jk) * e3t_n(:,:,jk) * zfact * tmask(:,:,jk) ! vert. integrated primary produc. by nano |
---|
483 | ENDDO |
---|
484 | CALL iom_put( "INTPPPHYN" , zw2d ) |
---|
485 | ! |
---|
486 | zw2d(:,:) = 0. |
---|
487 | DO jk = 1, jpkm1 |
---|
488 | zw2d(:,:) = zw2d(:,:) + zprorcad(:,:,jk) * e3t_n(:,:,jk) * zfact * tmask(:,:,jk) ! vert. integrated primary produc. by diatom |
---|
489 | ENDDO |
---|
490 | CALL iom_put( "INTPPPHYD" , zw2d ) |
---|
491 | ENDIF |
---|
492 | IF( iom_use( "INTPP" ) ) THEN |
---|
493 | zw2d(:,:) = 0. |
---|
494 | DO jk = 1, jpkm1 |
---|
495 | zw2d(:,:) = zw2d(:,:) + ( zprorcan(:,:,jk) + zprorcad(:,:,jk) ) * e3t_n(:,:,jk) * zfact * tmask(:,:,jk) ! vert. integrated pp |
---|
496 | ENDDO |
---|
497 | CALL iom_put( "INTPP" , zw2d ) |
---|
498 | ENDIF |
---|
499 | IF( iom_use( "INTPNEW" ) ) THEN |
---|
500 | zw2d(:,:) = 0. |
---|
501 | DO jk = 1, jpkm1 |
---|
502 | zw2d(:,:) = zw2d(:,:) + ( zpronewn(:,:,jk) + zpronewd(:,:,jk) ) * e3t_n(:,:,jk) * zfact * tmask(:,:,jk) ! vert. integrated new prod |
---|
503 | ENDDO |
---|
504 | CALL iom_put( "INTPNEW" , zw2d ) |
---|
505 | ENDIF |
---|
506 | IF( iom_use( "INTPBFE" ) ) THEN ! total biogenic iron production ( vertically integrated ) |
---|
507 | zw2d(:,:) = 0. |
---|
508 | DO jk = 1, jpkm1 |
---|
509 | zw2d(:,:) = zw2d(:,:) + ( zprofen(:,:,jk) + zprofed(:,:,jk) ) * e3t_n(:,:,jk) * zfact * tmask(:,:,jk) ! vert integr. bfe prod |
---|
510 | ENDDO |
---|
511 | CALL iom_put( "INTPBFE" , zw2d ) |
---|
512 | ENDIF |
---|
513 | IF( iom_use( "INTPBSI" ) ) THEN ! total biogenic silica production ( vertically integrated ) |
---|
514 | zw2d(:,:) = 0. |
---|
515 | DO jk = 1, jpkm1 |
---|
516 | zw2d(:,:) = zw2d(:,:) + zprorcad(:,:,jk) * zysopt(:,:,jk) * e3t_n(:,:,jk) * zfact * tmask(:,:,jk) ! vert integr. bsi prod |
---|
517 | ENDDO |
---|
518 | CALL iom_put( "INTPBSI" , zw2d ) |
---|
519 | ENDIF |
---|
520 | IF( iom_use( "tintpp" ) ) CALL iom_put( "tintpp" , tpp * zfact ) ! global total integrated primary production molC/s |
---|
521 | ! |
---|
522 | DEALLOCATE( zw2d, zw3d ) |
---|
523 | ENDIF |
---|
524 | ENDIF |
---|
525 | |
---|
526 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
527 | WRITE(charout, FMT="('prod')") |
---|
528 | CALL prt_ctl_trc_info(charout) |
---|
529 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
530 | ENDIF |
---|
531 | ! |
---|
532 | IF( ln_timing ) CALL timing_stop('p4z_prod') |
---|
533 | ! |
---|
534 | END SUBROUTINE p4z_prod |
---|
535 | |
---|
536 | |
---|
537 | SUBROUTINE p4z_prod_init |
---|
538 | !!---------------------------------------------------------------------- |
---|
539 | !! *** ROUTINE p4z_prod_init *** |
---|
540 | !! |
---|
541 | !! ** Purpose : Initialization of phytoplankton production parameters |
---|
542 | !! |
---|
543 | !! ** Method : Read the namp4zprod namelist and check the parameters |
---|
544 | !! called at the first timestep (nittrc000) |
---|
545 | !! |
---|
546 | !! ** input : Namelist namp4zprod |
---|
547 | !!---------------------------------------------------------------------- |
---|
548 | INTEGER :: ios ! Local integer |
---|
549 | ! |
---|
550 | ! Namelist block |
---|
551 | NAMELIST/namp4zprod/ pislopen, pisloped, xadap, bresp, excretn, excretd, & |
---|
552 | & chlcnm, chlcdm, chlcmin, fecnm, fecdm, grosip |
---|
553 | !!---------------------------------------------------------------------- |
---|
554 | ! |
---|
555 | IF(lwp) THEN ! control print |
---|
556 | WRITE(numout,*) |
---|
557 | WRITE(numout,*) 'p4z_prod_init : phytoplankton growth' |
---|
558 | WRITE(numout,*) '~~~~~~~~~~~~~' |
---|
559 | ENDIF |
---|
560 | ! |
---|
561 | REWIND( numnatp_ref ) ! Namelist namp4zprod in reference namelist : Pisces phytoplankton production |
---|
562 | READ ( numnatp_ref, namp4zprod, IOSTAT = ios, ERR = 901) |
---|
563 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namp4zprod in reference namelist' ) |
---|
564 | REWIND( numnatp_cfg ) ! Namelist namp4zprod in configuration namelist : Pisces phytoplankton production |
---|
565 | READ ( numnatp_cfg, namp4zprod, IOSTAT = ios, ERR = 902 ) |
---|
566 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namp4zprod in configuration namelist' ) |
---|
567 | IF(lwm) WRITE( numonp, namp4zprod ) |
---|
568 | |
---|
569 | IF(lwp) THEN ! control print |
---|
570 | WRITE(numout,*) ' Namelist : namp4zprod' |
---|
571 | WRITE(numout,*) ' mean Si/C ratio grosip =', grosip |
---|
572 | WRITE(numout,*) ' P-I slope pislopen =', pislopen |
---|
573 | WRITE(numout,*) ' Acclimation factor to low light xadap =', xadap |
---|
574 | WRITE(numout,*) ' excretion ratio of nanophytoplankton excretn =', excretn |
---|
575 | WRITE(numout,*) ' excretion ratio of diatoms excretd =', excretd |
---|
576 | WRITE(numout,*) ' basal respiration in phytoplankton bresp =', bresp |
---|
577 | WRITE(numout,*) ' Maximum Chl/C in phytoplankton chlcmin =', chlcmin |
---|
578 | WRITE(numout,*) ' P-I slope for diatoms pisloped =', pisloped |
---|
579 | WRITE(numout,*) ' Minimum Chl/C in nanophytoplankton chlcnm =', chlcnm |
---|
580 | WRITE(numout,*) ' Minimum Chl/C in diatoms chlcdm =', chlcdm |
---|
581 | WRITE(numout,*) ' Maximum Fe/C in nanophytoplankton fecnm =', fecnm |
---|
582 | WRITE(numout,*) ' Minimum Fe/C in diatoms fecdm =', fecdm |
---|
583 | ENDIF |
---|
584 | ! |
---|
585 | r1_rday = 1._wp / rday |
---|
586 | texcretn = 1._wp - excretn |
---|
587 | texcretd = 1._wp - excretd |
---|
588 | tpp = 0._wp |
---|
589 | ! |
---|
590 | END SUBROUTINE p4z_prod_init |
---|
591 | |
---|
592 | |
---|
593 | INTEGER FUNCTION p4z_prod_alloc() |
---|
594 | !!---------------------------------------------------------------------- |
---|
595 | !! *** ROUTINE p4z_prod_alloc *** |
---|
596 | !!---------------------------------------------------------------------- |
---|
597 | ALLOCATE( quotan(jpi,jpj,jpk), quotad(jpi,jpj,jpk), STAT = p4z_prod_alloc ) |
---|
598 | ! |
---|
599 | IF( p4z_prod_alloc /= 0 ) CALL ctl_stop( 'STOP', 'p4z_prod_alloc : failed to allocate arrays.' ) |
---|
600 | ! |
---|
601 | END FUNCTION p4z_prod_alloc |
---|
602 | |
---|
603 | !!====================================================================== |
---|
604 | END MODULE p4zprod |
---|