1 | MODULE p4zsink |
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2 | !!====================================================================== |
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3 | !! *** MODULE p4zsink *** |
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4 | !! TOP : PISCES vertical flux of particulate matter due to gravitational sinking |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2004 (O. Aumont) Original code |
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7 | !! 2.0 ! 2007-12 (C. Ethe, G. Madec) F90 |
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8 | !! 3.4 ! 2011-06 (O. Aumont, C. Ethe) Change aggregation formula |
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9 | !! 3.5 ! 2012-07 (O. Aumont) Introduce potential time-splitting |
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10 | !!---------------------------------------------------------------------- |
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11 | #if defined key_pisces |
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12 | !!---------------------------------------------------------------------- |
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13 | !! p4z_sink : Compute vertical flux of particulate matter due to gravitational sinking |
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14 | !! p4z_sink_init : Unitialisation of sinking speed parameters |
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15 | !! p4z_sink_alloc : Allocate sinking speed variables |
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16 | !!---------------------------------------------------------------------- |
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17 | USE oce_trc ! shared variables between ocean and passive tracers |
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18 | USE trc ! passive tracers common variables |
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19 | USE sms_pisces ! PISCES Source Minus Sink variables |
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20 | USE prtctl_trc ! print control for debugging |
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21 | USE iom ! I/O manager |
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22 | USE lib_mpp |
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23 | |
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24 | IMPLICIT NONE |
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25 | PRIVATE |
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26 | |
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27 | PUBLIC p4z_sink ! called in p4zbio.F90 |
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28 | PUBLIC p4z_sink_init ! called in trcsms_pisces.F90 |
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29 | PUBLIC p4z_sink_alloc |
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30 | |
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31 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wsbio3 !: POC sinking speed |
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32 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wsbio4 !: GOC sinking speed |
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33 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: wscal !: Calcite and BSi sinking speeds |
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34 | |
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35 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinking, sinking2 !: POC sinking fluxes |
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36 | ! ! (different meanings depending on the parameterization) |
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37 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkcal, sinksil !: CaCO3 and BSi sinking fluxes |
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38 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer !: Small BFe sinking fluxes |
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39 | #if ! defined key_kriest |
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40 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sinkfer2 !: Big iron sinking fluxes |
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41 | #endif |
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42 | |
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43 | INTEGER :: ik100 |
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44 | |
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45 | #if defined key_kriest |
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46 | REAL(wp) :: xkr_sfact !: Sinking factor |
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47 | REAL(wp) :: xkr_stick !: Stickiness |
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48 | REAL(wp) :: xkr_nnano !: Nbr of cell in nano size class |
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49 | REAL(wp) :: xkr_ndiat !: Nbr of cell in diatoms size class |
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50 | REAL(wp) :: xkr_nmicro !: Nbr of cell in microzoo size class |
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51 | REAL(wp) :: xkr_nmeso !: Nbr of cell in mesozoo size class |
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52 | REAL(wp) :: xkr_naggr !: Nbr of cell in aggregates size class |
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53 | |
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54 | REAL(wp) :: xkr_frac |
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55 | |
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56 | REAL(wp), PUBLIC :: xkr_dnano !: Size of particles in nano pool |
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57 | REAL(wp), PUBLIC :: xkr_ddiat !: Size of particles in diatoms pool |
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58 | REAL(wp), PUBLIC :: xkr_dmicro !: Size of particles in microzoo pool |
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59 | REAL(wp), PUBLIC :: xkr_dmeso !: Size of particles in mesozoo pool |
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60 | REAL(wp), PUBLIC :: xkr_daggr !: Size of particles in aggregates pool |
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61 | REAL(wp), PUBLIC :: xkr_wsbio_min !: min vertical particle speed |
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62 | REAL(wp), PUBLIC :: xkr_wsbio_max !: max vertical particle speed |
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63 | |
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64 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:) :: xnumm !: maximum number of particles in aggregates |
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65 | #endif |
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66 | |
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67 | !!---------------------------------------------------------------------- |
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68 | !! NEMO/TOP 3.3 , NEMO Consortium (2010) |
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69 | !! $Id: p4zsink.F90 3160 2011-11-20 14:27:18Z cetlod $ |
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70 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
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71 | !!---------------------------------------------------------------------- |
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72 | CONTAINS |
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73 | |
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74 | #if ! defined key_kriest |
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75 | !!---------------------------------------------------------------------- |
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76 | !! 'standard sinking parameterisation' ??? |
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77 | !!---------------------------------------------------------------------- |
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78 | |
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79 | SUBROUTINE p4z_sink ( kt, knt ) |
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80 | !!--------------------------------------------------------------------- |
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81 | !! *** ROUTINE p4z_sink *** |
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82 | !! |
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83 | !! ** Purpose : Compute vertical flux of particulate matter due to |
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84 | !! gravitational sinking |
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85 | !! |
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86 | !! ** Method : - ??? |
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87 | !!--------------------------------------------------------------------- |
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88 | INTEGER, INTENT(in) :: kt, knt |
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89 | INTEGER :: ji, jj, jk, jit |
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90 | INTEGER :: iiter1, iiter2 |
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91 | REAL(wp) :: zagg1, zagg2, zagg3, zagg4 |
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92 | REAL(wp) :: zagg , zaggfe, zaggdoc, zaggdoc2, zaggdoc3 |
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93 | REAL(wp) :: zfact, zwsmax, zmax, zstep |
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94 | CHARACTER (len=25) :: charout |
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95 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zw3d |
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96 | REAL(wp), POINTER, DIMENSION(:,: ) :: zw2d |
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97 | !!--------------------------------------------------------------------- |
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98 | ! |
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99 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink') |
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100 | ! |
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101 | ! Sinking speeds of detritus is increased with depth as shown |
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102 | ! by data and from the coagulation theory |
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103 | ! ----------------------------------------------------------- |
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104 | !$OMP PARALLEL |
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105 | !$OMP DO schedule(static) private(jk, jj, ji, zmax, zfact) |
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106 | DO jk = 1, jpkm1 |
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107 | DO jj = 1, jpj |
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108 | DO ji = 1,jpi |
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109 | zmax = MAX( heup(ji,jj), hmld(ji,jj) ) |
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110 | zfact = MAX( 0., gdepw_n(ji,jj,jk+1) - zmax ) / 5000._wp |
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111 | wsbio4(ji,jj,jk) = wsbio2 + ( 200.- wsbio2 ) * zfact |
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112 | END DO |
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113 | END DO |
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114 | END DO |
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115 | |
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116 | ! limit the values of the sinking speeds to avoid numerical instabilities |
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117 | !$OMP DO schedule(static) private(jk, jj, ji) |
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118 | DO jk = 1, jpk |
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119 | DO jj = 1, jpj |
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120 | DO ji = 1, jpi |
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121 | wsbio3(ji,jj,jk) = wsbio |
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122 | wscal (ji,jj,jk) = wsbio4(ji,jj,jk) |
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123 | END DO |
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124 | END DO |
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125 | END DO |
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126 | !$OMP END PARALLEL |
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127 | ! |
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128 | ! OA This is (I hope) a temporary solution for the problem that may |
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129 | ! OA arise in specific situation where the CFL criterion is broken |
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130 | ! OA for vertical sedimentation of particles. To avoid this, a time |
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131 | ! OA splitting algorithm has been coded. A specific maximum |
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132 | ! OA iteration number is provided and may be specified in the namelist |
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133 | ! OA This is to avoid very large iteration number when explicit free |
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134 | ! OA surface is used (for instance). When niter?max is set to 1, |
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135 | ! OA this computation is skipped. The crude old threshold method is |
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136 | ! OA then applied. This also happens when niter exceeds nitermax. |
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137 | IF( MAX( niter1max, niter2max ) == 1 ) THEN |
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138 | iiter1 = 1 |
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139 | iiter2 = 1 |
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140 | ELSE |
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141 | iiter1 = 1 |
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142 | iiter2 = 1 |
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143 | !$OMP PARALLEL DO schedule(static) private(jk, jj, ji, zwsmax, iiter1, iiter2) |
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144 | DO jk = 1, jpkm1 |
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145 | DO jj = 1, jpj |
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146 | DO ji = 1, jpi |
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147 | IF( tmask(ji,jj,jk) == 1) THEN |
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148 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
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149 | iiter1 = MAX( iiter1, INT( wsbio3(ji,jj,jk) / zwsmax ) ) |
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150 | iiter2 = MAX( iiter2, INT( wsbio4(ji,jj,jk) / zwsmax ) ) |
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151 | ENDIF |
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152 | END DO |
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153 | END DO |
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154 | END DO |
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155 | IF( lk_mpp ) THEN |
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156 | CALL mpp_max( iiter1 ) |
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157 | CALL mpp_max( iiter2 ) |
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158 | ENDIF |
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159 | iiter1 = MIN( iiter1, niter1max ) |
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160 | iiter2 = MIN( iiter2, niter2max ) |
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161 | ENDIF |
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162 | |
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163 | !$OMP PARALLEL |
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164 | !$OMP DO schedule(static) private(jk, jj, ji, zwsmax) |
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165 | DO jk = 1,jpkm1 |
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166 | DO jj = 1, jpj |
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167 | DO ji = 1, jpi |
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168 | IF( tmask(ji,jj,jk) == 1 ) THEN |
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169 | zwsmax = 0.5 * e3t_n(ji,jj,jk) / xstep |
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170 | wsbio3(ji,jj,jk) = MIN( wsbio3(ji,jj,jk), zwsmax * FLOAT( iiter1 ) ) |
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171 | wsbio4(ji,jj,jk) = MIN( wsbio4(ji,jj,jk), zwsmax * FLOAT( iiter2 ) ) |
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172 | ENDIF |
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173 | END DO |
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174 | END DO |
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175 | END DO |
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176 | !$OMP END DO NOWAIT |
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177 | |
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178 | ! Initializa to zero all the sinking arrays |
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179 | ! ----------------------------------------- |
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180 | !$OMP DO schedule(static) private(jk, jj, ji) |
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181 | DO jk = 1, jpk |
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182 | DO jj = 1, jpj |
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183 | DO ji = 1, jpi |
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184 | sinking (ji,jj,jk) = 0.e0 |
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185 | sinking2(ji,jj,jk) = 0.e0 |
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186 | sinkcal (ji,jj,jk) = 0.e0 |
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187 | sinkfer (ji,jj,jk) = 0.e0 |
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188 | sinksil (ji,jj,jk) = 0.e0 |
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189 | sinkfer2(ji,jj,jk) = 0.e0 |
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190 | END DO |
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191 | END DO |
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192 | END DO |
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193 | !$OMP END PARALLEL |
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194 | |
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195 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
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196 | ! ----------------------------------------------------- |
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197 | DO jit = 1, iiter1 |
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198 | CALL p4z_sink2( wsbio3, sinking , jppoc, iiter1 ) |
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199 | CALL p4z_sink2( wsbio3, sinkfer , jpsfe, iiter1 ) |
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200 | END DO |
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201 | |
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202 | DO jit = 1, iiter2 |
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203 | CALL p4z_sink2( wsbio4, sinking2, jpgoc, iiter2 ) |
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204 | CALL p4z_sink2( wsbio4, sinkfer2, jpbfe, iiter2 ) |
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205 | CALL p4z_sink2( wsbio4, sinksil , jpgsi, iiter2 ) |
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206 | CALL p4z_sink2( wscal , sinkcal , jpcal, iiter2 ) |
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207 | END DO |
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208 | |
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209 | ! Exchange between organic matter compartments due to coagulation/disaggregation |
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210 | ! --------------------------------------------------- |
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211 | !$OMP PARALLEL DO schedule(static) private(jk, jj, ji, zstep, zfact, zagg, zagg1, zagg2) & |
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212 | !$OMP& private(zagg3, zagg4, zaggfe, zaggdoc, zaggdoc2, zaggdoc3) |
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213 | DO jk = 1, jpkm1 |
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214 | DO jj = 1, jpj |
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215 | DO ji = 1, jpi |
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216 | ! |
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217 | zstep = xstep |
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218 | # if defined key_degrad |
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219 | zstep = zstep * facvol(ji,jj,jk) |
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220 | # endif |
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221 | zfact = zstep * xdiss(ji,jj,jk) |
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222 | ! Part I : Coagulation dependent on turbulence |
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223 | zagg1 = 25.9 * zfact * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jppoc) |
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224 | zagg2 = 4452. * zfact * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpgoc) |
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225 | |
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226 | ! Part II : Differential settling |
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227 | |
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228 | ! Aggregation of small into large particles |
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229 | zagg3 = 47.1 * zstep * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jpgoc) |
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230 | zagg4 = 3.3 * zstep * trb(ji,jj,jk,jppoc) * trb(ji,jj,jk,jppoc) |
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231 | |
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232 | zagg = zagg1 + zagg2 + zagg3 + zagg4 |
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233 | zaggfe = zagg * trb(ji,jj,jk,jpsfe) / ( trb(ji,jj,jk,jppoc) + rtrn ) |
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234 | |
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235 | ! Aggregation of DOC to POC : |
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236 | ! 1st term is shear aggregation of DOC-DOC |
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237 | ! 2nd term is shear aggregation of DOC-POC |
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238 | ! 3rd term is differential settling of DOC-POC |
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239 | zaggdoc = ( ( 0.369 * 0.3 * trb(ji,jj,jk,jpdoc) + 102.4 * trb(ji,jj,jk,jppoc) ) * zfact & |
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240 | & + 2.4 * zstep * trb(ji,jj,jk,jppoc) ) * 0.3 * trb(ji,jj,jk,jpdoc) |
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241 | ! transfer of DOC to GOC : |
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242 | ! 1st term is shear aggregation |
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243 | ! 2nd term is differential settling |
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244 | zaggdoc2 = ( 3.53E3 * zfact + 0.1 * zstep ) * trb(ji,jj,jk,jpgoc) * 0.3 * trb(ji,jj,jk,jpdoc) |
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245 | ! tranfer of DOC to POC due to brownian motion |
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246 | zaggdoc3 = ( 5095. * trb(ji,jj,jk,jppoc) + 114. * 0.3 * trb(ji,jj,jk,jpdoc) ) *zstep * 0.3 * trb(ji,jj,jk,jpdoc) |
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247 | |
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248 | ! Update the trends |
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249 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) - zagg + zaggdoc + zaggdoc3 |
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250 | tra(ji,jj,jk,jpgoc) = tra(ji,jj,jk,jpgoc) + zagg + zaggdoc2 |
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251 | tra(ji,jj,jk,jpsfe) = tra(ji,jj,jk,jpsfe) - zaggfe |
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252 | tra(ji,jj,jk,jpbfe) = tra(ji,jj,jk,jpbfe) + zaggfe |
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253 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) - zaggdoc - zaggdoc2 - zaggdoc3 |
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254 | ! |
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255 | END DO |
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256 | END DO |
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257 | END DO |
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258 | |
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259 | |
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260 | ! Total carbon export per year |
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261 | IF( iom_use( "tcexp" ) .OR. ( ln_check_mass .AND. kt == nitend .AND. knt == nrdttrc ) ) & |
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262 | & t_oce_co2_exp = glob_sum( ( sinking(:,:,ik100) + sinking2(:,:,ik100) ) * e1e2t(:,:) * tmask(:,:,1) ) |
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263 | ! |
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264 | IF( lk_iomput ) THEN |
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265 | IF( knt == nrdttrc ) THEN |
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266 | CALL wrk_alloc( jpi, jpj, zw2d ) |
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267 | CALL wrk_alloc( jpi, jpj, jpk, zw3d ) |
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268 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
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269 | ! |
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270 | IF( iom_use( "EPC100" ) ) THEN |
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271 | !$OMP DO schedule(static) private(jj, ji) |
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272 | DO jj = 1, jpj |
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273 | DO ji = 1, jpi |
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274 | zw2d(ji,jj) = ( sinking(ji,jj,ik100) + sinking2(ji,jj,ik100) ) * zfact * tmask(ji,jj,1) ! Export of carbon at 100m |
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275 | END DO |
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276 | END DO |
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277 | CALL iom_put( "EPC100" , zw2d ) |
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278 | ENDIF |
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279 | IF( iom_use( "EPFE100" ) ) THEN |
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280 | !$OMP DO schedule(static) private(jj, ji) |
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281 | DO jj = 1, jpj |
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282 | DO ji = 1, jpi |
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283 | zw2d(ji,jj) = ( sinkfer(ji,jj,ik100) + sinkfer2(ji,jj,ik100) ) * zfact * tmask(ji,jj,1) ! Export of iron at 100m |
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284 | END DO |
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285 | END DO |
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286 | CALL iom_put( "EPFE100" , zw2d ) |
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287 | ENDIF |
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288 | IF( iom_use( "EPCAL100" ) ) THEN |
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289 | !$OMP DO schedule(static) private(jj, ji) |
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290 | DO jj = 1, jpj |
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291 | DO ji = 1, jpi |
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292 | zw2d(ji,jj) = sinkcal(ji,jj,ik100) * zfact * tmask(ji,jj,1) ! Export of calcite at 100m |
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293 | END DO |
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294 | END DO |
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295 | CALL iom_put( "EPCAL100" , zw2d ) |
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296 | ENDIF |
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297 | IF( iom_use( "EPSI100" ) ) THEN |
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298 | !$OMP DO schedule(static) private(jj, ji) |
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299 | DO jj = 1, jpj |
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300 | DO ji = 1, jpi |
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301 | zw2d(ji,jj) = sinksil(ji,jj,ik100) * zfact * tmask(ji,jj,1) ! Export of bigenic silica at 100m |
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302 | END DO |
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303 | END DO |
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304 | CALL iom_put( "EPSI100" , zw2d ) |
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305 | ENDIF |
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306 | IF( iom_use( "EXPC" ) ) THEN |
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307 | !$OMP DO schedule(static) private(jk, jj, ji) |
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308 | DO jk = 1, jpk |
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309 | DO jj = 1, jpj |
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310 | DO ji = 1, jpi |
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311 | zw3d(ji,jj,jk) = ( sinking(ji,jj,jk) + sinking2(ji,jj,jk) ) * zfact * tmask(ji,jj,jk) ! Export of carbon in the water column |
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312 | END DO |
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313 | END DO |
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314 | END DO |
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315 | CALL iom_put( "EXPC" , zw3d ) |
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316 | ENDIF |
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317 | IF( iom_use( "EXPFE" ) ) THEN |
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318 | !$OMP DO schedule(static) private(jk, jj, ji) |
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319 | DO jk = 1, jpk |
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320 | DO jj = 1, jpj |
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321 | DO ji = 1, jpi |
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322 | zw3d(ji,jj,jk) = ( sinkfer(ji,jj,jk) + sinkfer2(ji,jj,jk) ) * zfact * tmask(ji,jj,jk) ! Export of iron |
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323 | END DO |
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324 | END DO |
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325 | END DO |
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326 | CALL iom_put( "EXPFE" , zw3d ) |
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327 | ENDIF |
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328 | IF( iom_use( "EXPCAL" ) ) THEN |
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329 | !$OMP DO schedule(static) private(jk, jj, ji) |
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330 | DO jk = 1, jpk |
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331 | DO jj = 1, jpj |
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332 | DO ji = 1, jpi |
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333 | zw3d(ji,jj,jk) = sinkcal(ji,jj,jk) * zfact * tmask(ji,jj,jk) ! Export of calcite |
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334 | END DO |
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335 | END DO |
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336 | END DO |
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337 | CALL iom_put( "EXPCAL" , zw3d ) |
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338 | ENDIF |
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339 | IF( iom_use( "EXPSI" ) ) THEN |
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340 | !$OMP DO schedule(static) private(jk, jj, ji) |
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341 | DO jk = 1, jpk |
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342 | DO jj = 1, jpj |
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343 | DO ji = 1, jpi |
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344 | zw3d(ji,jj,jk) = sinksil(ji,jj,jk) * zfact * tmask(ji,jj,jk) ! Export of bigenic silica |
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345 | END DO |
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346 | END DO |
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347 | END DO |
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348 | CALL iom_put( "EXPSI" , zw3d ) |
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349 | ENDIF |
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350 | IF( iom_use( "tcexp" ) ) CALL iom_put( "tcexp" , t_oce_co2_exp * zfact ) ! molC/s |
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351 | ! |
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352 | CALL wrk_dealloc( jpi, jpj, zw2d ) |
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353 | CALL wrk_dealloc( jpi, jpj, jpk, zw3d ) |
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354 | ENDIF |
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355 | ELSE |
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356 | IF( ln_diatrc ) THEN |
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357 | zfact = 1.e3 * rfact2r |
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358 | !$OMP DO schedule(static) private(jj, ji) |
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359 | DO jj = 1, jpj |
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360 | DO ji = 1, jpi |
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361 | trc2d(ji,jj,jp_pcs0_2d + 4) = sinking (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
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362 | trc2d(ji,jj,jp_pcs0_2d + 5) = sinking2(ji,jj,ik100) * zfact * tmask(ji,jj,1) |
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363 | trc2d(ji,jj,jp_pcs0_2d + 6) = sinkfer (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
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364 | trc2d(ji,jj,jp_pcs0_2d + 7) = sinkfer2(ji,jj,ik100) * zfact * tmask(ji,jj,1) |
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365 | trc2d(ji,jj,jp_pcs0_2d + 8) = sinksil (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
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366 | trc2d(ji,jj,jp_pcs0_2d + 9) = sinkcal (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
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367 | END DO |
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368 | END DO |
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369 | ENDIF |
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370 | ENDIF |
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371 | ! |
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372 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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373 | WRITE(charout, FMT="('sink')") |
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374 | CALL prt_ctl_trc_info(charout) |
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375 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
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376 | ENDIF |
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377 | ! |
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378 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink') |
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379 | ! |
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380 | END SUBROUTINE p4z_sink |
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381 | |
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382 | SUBROUTINE p4z_sink_init |
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383 | !!---------------------------------------------------------------------- |
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384 | !! *** ROUTINE p4z_sink_init *** |
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385 | !!---------------------------------------------------------------------- |
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386 | INTEGER :: jk |
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387 | |
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388 | ik100 = 10 ! last level where depth less than 100 m |
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389 | DO jk = jpkm1, 1, -1 |
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390 | IF( gdept_1d(jk) > 100. ) ik100 = jk - 1 |
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391 | END DO |
---|
392 | IF (lwp) WRITE(numout,*) |
---|
393 | IF (lwp) WRITE(numout,*) ' Level corresponding to 100m depth ', ik100 + 1 |
---|
394 | IF (lwp) WRITE(numout,*) |
---|
395 | ! |
---|
396 | t_oce_co2_exp = 0._wp |
---|
397 | ! |
---|
398 | END SUBROUTINE p4z_sink_init |
---|
399 | |
---|
400 | #else |
---|
401 | !!---------------------------------------------------------------------- |
---|
402 | !! 'Kriest sinking parameterisation' key_kriest ??? |
---|
403 | !!---------------------------------------------------------------------- |
---|
404 | |
---|
405 | SUBROUTINE p4z_sink ( kt, knt ) |
---|
406 | !!--------------------------------------------------------------------- |
---|
407 | !! *** ROUTINE p4z_sink *** |
---|
408 | !! |
---|
409 | !! ** Purpose : Compute vertical flux of particulate matter due to |
---|
410 | !! gravitational sinking - Kriest parameterization |
---|
411 | !! |
---|
412 | !! ** Method : - ??? |
---|
413 | !!--------------------------------------------------------------------- |
---|
414 | ! |
---|
415 | INTEGER, INTENT(in) :: kt, knt |
---|
416 | ! |
---|
417 | INTEGER :: ji, jj, jk, jit, niter1, niter2 |
---|
418 | REAL(wp) :: zagg1, zagg2, zagg3, zagg4, zagg5, zfract, zaggsi, zaggsh |
---|
419 | REAL(wp) :: zagg , zaggdoc, zaggdoc1, znumdoc |
---|
420 | REAL(wp) :: znum , zeps, zfm, zgm, zsm |
---|
421 | REAL(wp) :: zdiv , zdiv1, zdiv2, zdiv3, zdiv4, zdiv5 |
---|
422 | REAL(wp) :: zval1, zval2, zval3, zval4 |
---|
423 | REAL(wp) :: zfact |
---|
424 | INTEGER :: ik1 |
---|
425 | CHARACTER (len=25) :: charout |
---|
426 | REAL(wp), POINTER, DIMENSION(:,:,:) :: znum3d |
---|
427 | REAL(wp), POINTER, DIMENSION(:,:,:) :: zw3d |
---|
428 | REAL(wp), POINTER, DIMENSION(:,: ) :: zw2d |
---|
429 | !!--------------------------------------------------------------------- |
---|
430 | ! |
---|
431 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink') |
---|
432 | ! |
---|
433 | CALL wrk_alloc( jpi, jpj, jpk, znum3d ) |
---|
434 | ! |
---|
435 | ! Initialisation of variables used to compute Sinking Speed |
---|
436 | ! --------------------------------------------------------- |
---|
437 | |
---|
438 | zval1 = 1. + xkr_zeta |
---|
439 | zval2 = 1. + xkr_zeta + xkr_eta |
---|
440 | zval3 = 1. + xkr_eta |
---|
441 | !$OMP PARALLEL |
---|
442 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
443 | DO jk = 1, jpk |
---|
444 | DO jj = 1, jpj |
---|
445 | DO ji = 1, jpi |
---|
446 | znum3d(ji,jj,jk) = 0.e0 |
---|
447 | END DO |
---|
448 | END DO |
---|
449 | END DO |
---|
450 | ! Computation of the vertical sinking speed : Kriest et Evans, 2000 |
---|
451 | ! ----------------------------------------------------------------- |
---|
452 | |
---|
453 | !$OMP DO schedule(static) private(jk, jj, ji, znum, zeps, zfm, zgm, zdiv, zdiv1) |
---|
454 | DO jk = 1, jpkm1 |
---|
455 | DO jj = 1, jpj |
---|
456 | DO ji = 1, jpi |
---|
457 | IF( tmask(ji,jj,jk) /= 0.e0 ) THEN |
---|
458 | znum = trb(ji,jj,jk,jppoc) / ( trb(ji,jj,jk,jpnum) + rtrn ) / xkr_massp |
---|
459 | ! -------------- To avoid sinking speed over 50 m/day ------- |
---|
460 | znum = MIN( xnumm(jk), znum ) |
---|
461 | znum = MAX( 1.1 , znum ) |
---|
462 | znum3d(ji,jj,jk) = znum |
---|
463 | !------------------------------------------------------------ |
---|
464 | zeps = ( zval1 * znum - 1. )/ ( znum - 1. ) |
---|
465 | zfm = xkr_frac**( 1. - zeps ) |
---|
466 | zgm = xkr_frac**( zval1 - zeps ) |
---|
467 | zdiv = MAX( 1.e-4, ABS( zeps - zval2 ) ) * SIGN( 1., ( zeps - zval2 ) ) |
---|
468 | zdiv1 = zeps - zval3 |
---|
469 | wsbio3(ji,jj,jk) = xkr_wsbio_min * ( zeps - zval1 ) / zdiv & |
---|
470 | & - xkr_wsbio_max * zgm * xkr_eta / zdiv |
---|
471 | wsbio4(ji,jj,jk) = xkr_wsbio_min * ( zeps-1. ) / zdiv1 & |
---|
472 | & - xkr_wsbio_max * zfm * xkr_eta / zdiv1 |
---|
473 | IF( znum == 1.1) wsbio3(ji,jj,jk) = wsbio4(ji,jj,jk) |
---|
474 | ENDIF |
---|
475 | END DO |
---|
476 | END DO |
---|
477 | END DO |
---|
478 | !$OMP END DO NOWAIT |
---|
479 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
480 | DO jk = 1, jpk |
---|
481 | DO jj = 1, jpj |
---|
482 | DO ji = 1, jpi |
---|
483 | wscal(ji,jj,jk) = MAX( wsbio3(ji,jj,jk), 30._wp ) |
---|
484 | END DO |
---|
485 | END DO |
---|
486 | END DO |
---|
487 | !$OMP END DO NOWAIT |
---|
488 | |
---|
489 | ! INITIALIZE TO ZERO ALL THE SINKING ARRAYS |
---|
490 | ! ----------------------------------------- |
---|
491 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
492 | DO jk = 1, jpk |
---|
493 | DO jj = 1, jpj |
---|
494 | DO ji = 1, jpi |
---|
495 | sinking (ji,jj,jk) = 0.e0 |
---|
496 | sinking2(ji,jj,jk) = 0.e0 |
---|
497 | sinkcal (ji,jj,jk) = 0.e0 |
---|
498 | sinkfer (ji,jj,jk) = 0.e0 |
---|
499 | sinksil (ji,jj,jk) = 0.e0 |
---|
500 | END DO |
---|
501 | END DO |
---|
502 | END DO |
---|
503 | !$OMP END PARALLEL |
---|
504 | ! Compute the sedimentation term using p4zsink2 for all the sinking particles |
---|
505 | ! ----------------------------------------------------- |
---|
506 | |
---|
507 | niter1 = niter1max |
---|
508 | niter2 = niter2max |
---|
509 | |
---|
510 | DO jit = 1, niter1 |
---|
511 | CALL p4z_sink2( wsbio3, sinking , jppoc, niter1 ) |
---|
512 | CALL p4z_sink2( wsbio3, sinkfer , jpsfe, niter1 ) |
---|
513 | CALL p4z_sink2( wscal , sinksil , jpgsi, niter1 ) |
---|
514 | CALL p4z_sink2( wscal , sinkcal , jpcal, niter1 ) |
---|
515 | END DO |
---|
516 | |
---|
517 | DO jit = 1, niter2 |
---|
518 | CALL p4z_sink2( wsbio4, sinking2, jpnum, niter2 ) |
---|
519 | END DO |
---|
520 | |
---|
521 | ! Exchange between organic matter compartments due to coagulation/disaggregation |
---|
522 | ! --------------------------------------------------- |
---|
523 | |
---|
524 | zval1 = 1. + xkr_zeta |
---|
525 | zval2 = 1. + xkr_eta |
---|
526 | zval3 = 3. + xkr_eta |
---|
527 | zval4 = 4. + xkr_eta |
---|
528 | |
---|
529 | !$OMP PARALLEL DO schedule(static) private(jk, jj, ji, znum, zeps, zfm, zsm, zdiv, zdiv1, zdiv2, zdiv3, zdiv4) & |
---|
530 | !$OMP& private(zdiv5, zagg, zagg1, zagg2, zagg3, zagg4, zagg5, zfract, zaggdoc, zaggdoc1, zaggsh, zaggsi, znumdoc) |
---|
531 | DO jk = 1,jpkm1 |
---|
532 | DO jj = 1,jpj |
---|
533 | DO ji = 1,jpi |
---|
534 | IF( tmask(ji,jj,jk) /= 0.e0 ) THEN |
---|
535 | |
---|
536 | znum = trb(ji,jj,jk,jppoc)/(trb(ji,jj,jk,jpnum)+rtrn) / xkr_massp |
---|
537 | !-------------- To avoid sinking speed over 50 m/day ------- |
---|
538 | znum = min(xnumm(jk),znum) |
---|
539 | znum = MAX( 1.1,znum) |
---|
540 | !------------------------------------------------------------ |
---|
541 | zeps = ( zval1 * znum - 1.) / ( znum - 1.) |
---|
542 | zdiv = MAX( 1.e-4, ABS( zeps - zval3) ) * SIGN( 1., zeps - zval3 ) |
---|
543 | zdiv1 = MAX( 1.e-4, ABS( zeps - 4. ) ) * SIGN( 1., zeps - 4. ) |
---|
544 | zdiv2 = zeps - 2. |
---|
545 | zdiv3 = zeps - 3. |
---|
546 | zdiv4 = zeps - zval2 |
---|
547 | zdiv5 = 2.* zeps - zval4 |
---|
548 | zfm = xkr_frac**( 1.- zeps ) |
---|
549 | zsm = xkr_frac**xkr_eta |
---|
550 | |
---|
551 | ! Part I : Coagulation dependant on turbulence |
---|
552 | ! ---------------------------------------------- |
---|
553 | |
---|
554 | zagg1 = 0.163 * trb(ji,jj,jk,jpnum)**2 & |
---|
555 | & * 2.*( (zfm-1.)*(zfm*xkr_mass_max**3-xkr_mass_min**3) & |
---|
556 | & * (zeps-1)/zdiv1 + 3.*(zfm*xkr_mass_max-xkr_mass_min) & |
---|
557 | & * (zfm*xkr_mass_max**2-xkr_mass_min**2) & |
---|
558 | & * (zeps-1.)**2/(zdiv2*zdiv3)) |
---|
559 | zagg2 = 2*0.163*trb(ji,jj,jk,jpnum)**2*zfm* & |
---|
560 | & ((xkr_mass_max**3+3.*(xkr_mass_max**2 & |
---|
561 | & *xkr_mass_min*(zeps-1.)/zdiv2 & |
---|
562 | & +xkr_mass_max*xkr_mass_min**2*(zeps-1.)/zdiv3) & |
---|
563 | & +xkr_mass_min**3*(zeps-1)/zdiv1) & |
---|
564 | & -zfm*xkr_mass_max**3*(1.+3.*((zeps-1.)/ & |
---|
565 | & (zeps-2.)+(zeps-1.)/zdiv3)+(zeps-1.)/zdiv1)) |
---|
566 | |
---|
567 | zagg3 = 0.163*trb(ji,jj,jk,jpnum)**2*zfm**2*8. * xkr_mass_max**3 |
---|
568 | |
---|
569 | ! Aggregation of small into large particles |
---|
570 | ! Part II : Differential settling |
---|
571 | ! ---------------------------------------------- |
---|
572 | |
---|
573 | zagg4 = 2.*3.141*0.125*trb(ji,jj,jk,jpnum)**2* & |
---|
574 | & xkr_wsbio_min*(zeps-1.)**2 & |
---|
575 | & *(xkr_mass_min**2*((1.-zsm*zfm)/(zdiv3*zdiv4) & |
---|
576 | & -(1.-zfm)/(zdiv*(zeps-1.)))- & |
---|
577 | & ((zfm*zfm*xkr_mass_max**2*zsm-xkr_mass_min**2) & |
---|
578 | & *xkr_eta)/(zdiv*zdiv3*zdiv5) ) |
---|
579 | |
---|
580 | zagg5 = 2.*3.141*0.125*trb(ji,jj,jk,jpnum)**2 & |
---|
581 | & *(zeps-1.)*zfm*xkr_wsbio_min & |
---|
582 | & *(zsm*(xkr_mass_min**2-zfm*xkr_mass_max**2) & |
---|
583 | & /zdiv3-(xkr_mass_min**2-zfm*zsm*xkr_mass_max**2) & |
---|
584 | & /zdiv) |
---|
585 | |
---|
586 | ! |
---|
587 | ! Fractionnation by swimming organisms |
---|
588 | ! ------------------------------------ |
---|
589 | |
---|
590 | zfract = 2.*3.141*0.125*trb(ji,jj,jk,jpmes)*12./0.12/0.06**3*trb(ji,jj,jk,jpnum) & |
---|
591 | & * (0.01/xkr_mass_min)**(1.-zeps)*0.1**2 & |
---|
592 | & * 10000.*xstep |
---|
593 | |
---|
594 | ! Aggregation of DOC to small particles |
---|
595 | ! -------------------------------------- |
---|
596 | |
---|
597 | zaggdoc = 0.83 * trb(ji,jj,jk,jpdoc) * xstep * xdiss(ji,jj,jk) * trb(ji,jj,jk,jpdoc) & |
---|
598 | & + 0.005 * 231. * trb(ji,jj,jk,jpdoc) * xstep * trb(ji,jj,jk,jpdoc) |
---|
599 | zaggdoc1 = 271. * trb(ji,jj,jk,jppoc) * xstep * xdiss(ji,jj,jk) * trb(ji,jj,jk,jpdoc) & |
---|
600 | & + 0.02 * 16706. * trb(ji,jj,jk,jppoc) * xstep * trb(ji,jj,jk,jpdoc) |
---|
601 | |
---|
602 | # if defined key_degrad |
---|
603 | zagg1 = zagg1 * facvol(ji,jj,jk) |
---|
604 | zagg2 = zagg2 * facvol(ji,jj,jk) |
---|
605 | zagg3 = zagg3 * facvol(ji,jj,jk) |
---|
606 | zagg4 = zagg4 * facvol(ji,jj,jk) |
---|
607 | zagg5 = zagg5 * facvol(ji,jj,jk) |
---|
608 | zaggdoc = zaggdoc * facvol(ji,jj,jk) |
---|
609 | zaggdoc1 = zaggdoc1 * facvol(ji,jj,jk) |
---|
610 | # endif |
---|
611 | zaggsh = ( zagg1 + zagg2 + zagg3 ) * rfact2 * xdiss(ji,jj,jk) / 1000. |
---|
612 | zaggsi = ( zagg4 + zagg5 ) * xstep / 10. |
---|
613 | zagg = 0.5 * xkr_stick * ( zaggsh + zaggsi ) |
---|
614 | ! |
---|
615 | znumdoc = trb(ji,jj,jk,jpnum) / ( trb(ji,jj,jk,jppoc) + rtrn ) |
---|
616 | tra(ji,jj,jk,jppoc) = tra(ji,jj,jk,jppoc) + zaggdoc + zaggdoc1 |
---|
617 | tra(ji,jj,jk,jpnum) = tra(ji,jj,jk,jpnum) + zfract + zaggdoc / xkr_massp - zagg |
---|
618 | tra(ji,jj,jk,jpdoc) = tra(ji,jj,jk,jpdoc) - zaggdoc - zaggdoc1 |
---|
619 | |
---|
620 | ENDIF |
---|
621 | END DO |
---|
622 | END DO |
---|
623 | END DO |
---|
624 | |
---|
625 | ! Total primary production per year |
---|
626 | t_oce_co2_exp = t_oce_co2_exp + glob_sum( ( sinking(:,:,ik100) * e1e2t(:,:) * tmask(:,:,1) ) |
---|
627 | ! |
---|
628 | IF( lk_iomput ) THEN |
---|
629 | IF( knt == nrdttrc ) THEN |
---|
630 | CALL wrk_alloc( jpi, jpj, zw2d ) |
---|
631 | CALL wrk_alloc( jpi, jpj, jpk, zw3d ) |
---|
632 | zfact = 1.e+3 * rfact2r ! conversion from mol/l/kt to mol/m3/s |
---|
633 | ! |
---|
634 | IF( iom_use( "EPC100" ) ) THEN |
---|
635 | !$OMP DO schedule(static) private(jj, ji) |
---|
636 | DO jj = 1, jpj |
---|
637 | DO ji = 1, jpi |
---|
638 | zw2d(ji,jj) = sinking(ji,jj,ik100) * zfact * tmask(ji,jj,1) ! Export of carbon at 100m |
---|
639 | END DO |
---|
640 | END DO |
---|
641 | CALL iom_put( "EPC100" , zw2d ) |
---|
642 | ENDIF |
---|
643 | IF( iom_use( "EPN100" ) ) THEN |
---|
644 | !$OMP DO schedule(static) private(jj, ji) |
---|
645 | DO jj = 1, jpj |
---|
646 | DO ji = 1, jpi |
---|
647 | zw2d(ji,jj) = sinking2(ji,jj,ik100) * zfact * tmask(ji,jj,1) ! Export of number of aggregates ? |
---|
648 | END DO |
---|
649 | END DO |
---|
650 | CALL iom_put( "EPN100" , zw2d ) |
---|
651 | ENDIF |
---|
652 | IF( iom_use( "EPCAL100" ) ) THEN |
---|
653 | !$OMP DO schedule(static) private(jj, ji) |
---|
654 | DO jj = 1, jpj |
---|
655 | DO ji = 1, jpi |
---|
656 | zw2d(ji,jj) = sinkcal(ji,jj,ik100) * zfact * tmask(ji,jj,1) !Export of calcite at 100m |
---|
657 | END DO |
---|
658 | END DO |
---|
659 | CALL iom_put( "EPCAL100" , zw2d ) |
---|
660 | ENDIF |
---|
661 | IF( iom_use( "EPSI100" ) ) THEN |
---|
662 | !$OMP DO schedule(static) private(jj, ji) |
---|
663 | DO jj = 1, jpj |
---|
664 | DO ji = 1, jpi |
---|
665 | zw2d(ji,jj) = sinksil(ji,jj,ik100) * zfact * tmask(ji,jj,1) ! Export of bigenic silica at 100m |
---|
666 | END DO |
---|
667 | END DO |
---|
668 | CALL iom_put( "EPSI100" , zw2d ) |
---|
669 | ENDIF |
---|
670 | IF( iom_use( "EXPC" ) ) THEN |
---|
671 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
672 | DO jk = 1, jpk |
---|
673 | DO jj = 1, jpj |
---|
674 | DO ji = 1, jpi |
---|
675 | zw3d(ji,jj,jk) = sinking(ji,jj,jk) * zfact * tmask(ji,jj,jk) ! Export of carbon in the water column |
---|
676 | END DO |
---|
677 | END DO |
---|
678 | END DO |
---|
679 | CALL iom_put( "EXPC" , zw3d ) |
---|
680 | ENDIF |
---|
681 | IF( iom_use( "EXPN" ) ) THEN |
---|
682 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
683 | DO jk = 1, jpk |
---|
684 | DO jj = 1, jpj |
---|
685 | DO ji = 1, jpi |
---|
686 | zw3d(ji,jj,jk) = sinking(ji,jj,jk) * zfact * tmask(ji,jj,jk) ! Export of carbon in the water column |
---|
687 | END DO |
---|
688 | END DO |
---|
689 | END DO |
---|
690 | CALL iom_put( "EXPN" , zw3d ) |
---|
691 | ENDIF |
---|
692 | IF( iom_use( "EXPCAL" ) ) THEN |
---|
693 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
694 | DO jk = 1, jpk |
---|
695 | DO jj = 1, jpj |
---|
696 | DO ji = 1, jpi |
---|
697 | zw3d(ji,jj,jk) = sinkcal(ji,jj,jk) * zfact * tmask(ji,jj,jk) ! Export of calcite |
---|
698 | END DO |
---|
699 | END DO |
---|
700 | END DO |
---|
701 | CALL iom_put( "EXPCAL" , zw3d ) |
---|
702 | ENDIF |
---|
703 | IF( iom_use( "EXPSI" ) ) THEN |
---|
704 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
705 | DO jk = 1, jpk |
---|
706 | DO jj = 1, jpj |
---|
707 | DO ji = 1, jpi |
---|
708 | zw3d(ji,jj,jk) = sinksil(ji,jj,jk) * zfact * tmask(ji,jj,jk) ! Export of bigenic silica |
---|
709 | END DO |
---|
710 | END DO |
---|
711 | END DO |
---|
712 | CALL iom_put( "EXPSI" , zw3d ) |
---|
713 | ENDIF |
---|
714 | IF( iom_use( "XNUM" ) ) THEN |
---|
715 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
716 | DO jk = 1, jpk |
---|
717 | DO jj = 1, jpj |
---|
718 | DO ji = 1, jpi |
---|
719 | zw3d(ji,jj,jk) = znum3d(ji,jj,jk) * tmask(ji,jj,jk) ! Number of particles on aggregats |
---|
720 | END DO |
---|
721 | END DO |
---|
722 | END DO |
---|
723 | CALL iom_put( "XNUM" , zw3d ) |
---|
724 | ENDIF |
---|
725 | IF( iom_use( "WSC" ) ) THEN |
---|
726 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
727 | DO jk = 1, jpk |
---|
728 | DO jj = 1, jpj |
---|
729 | DO ji = 1, jpi |
---|
730 | zw3d(ji,jj,jk) = wsbio3(ji,jj,jk) * tmask(ji,jj,jk) ! Sinking speed of carbon particles |
---|
731 | END DO |
---|
732 | END DO |
---|
733 | END DO |
---|
734 | CALL iom_put( "WSC" , zw3d ) |
---|
735 | ENDIF |
---|
736 | IF( iom_use( "WSN" ) ) THEN |
---|
737 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
738 | DO jk = 1, jpk |
---|
739 | DO jj = 1, jpj |
---|
740 | DO ji = 1, jpi |
---|
741 | zw3d(ji,jj,jk) = wsbio4(ji,jj,jk) * tmask(ji,jj,jk) ! Sinking speed of particles number |
---|
742 | END DO |
---|
743 | END DO |
---|
744 | END DO |
---|
745 | CALL iom_put( "WSN" , zw3d ) |
---|
746 | ENDIF |
---|
747 | ! |
---|
748 | CALL wrk_dealloc( jpi, jpj, zw2d ) |
---|
749 | CALL wrk_dealloc( jpi, jpj, jpk, zw3d ) |
---|
750 | ELSE |
---|
751 | IF( ln_diatrc ) THEN |
---|
752 | zfact = 1.e3 * rfact2r |
---|
753 | !$OMP PARALLEL |
---|
754 | !$OMP DO schedule(static) private(jj, ji) |
---|
755 | DO jj = 1, jpj |
---|
756 | DO ji = 1, jpi |
---|
757 | trc2d(ji,jj ,jp_pcs0_2d + 4) = sinking (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
---|
758 | trc2d(ji,jj ,jp_pcs0_2d + 5) = sinking2(ji,jj,ik100) * zfact * tmask(ji,jj,1) |
---|
759 | trc2d(ji,jj ,jp_pcs0_2d + 6) = sinkfer (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
---|
760 | trc2d(ji,jj ,jp_pcs0_2d + 7) = sinksil (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
---|
761 | trc2d(ji,jj ,jp_pcs0_2d + 8) = sinkcal (ji,jj,ik100) * zfact * tmask(ji,jj,1) |
---|
762 | END DO |
---|
763 | END DO |
---|
764 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
765 | DO jk = 1, jpk |
---|
766 | DO jj = 1, jpj |
---|
767 | DO ji = 1, jpi |
---|
768 | trc3d(ji,jj,jk,jp_pcs0_3d + 11) = sinking (ji,jj,jk) * zfact * tmask(ji,jj,jk) |
---|
769 | trc3d(ji,jj,jk,jp_pcs0_3d + 12) = sinking2(ji,jj,jk) * zfact * tmask(ji,jj,jk) |
---|
770 | trc3d(ji,jj,jk,jp_pcs0_3d + 13) = sinksil (ji,jj,jk) * zfact * tmask(ji,jj,jk) |
---|
771 | trc3d(ji,jj,jk,jp_pcs0_3d + 14) = sinkcal (ji,jj,jk) * zfact * tmask(ji,jj,jk) |
---|
772 | trc3d(ji,jj,jk,jp_pcs0_3d + 15) = znum3d (ji,jj,jk) * tmask(ji,jj,jk) |
---|
773 | trc3d(ji,jj,jk,jp_pcs0_3d + 16) = wsbio3 (ji,jj,jk) * tmask(ji,jj,jk) |
---|
774 | trc3d(ji,jj,jk,jp_pcs0_3d + 17) = wsbio4 (ji,jj,jk) * tmask(ji,jj,jk) |
---|
775 | END DO |
---|
776 | END DO |
---|
777 | END DO |
---|
778 | !$OMP END PARALLEL |
---|
779 | ENDIF |
---|
780 | ENDIF |
---|
781 | |
---|
782 | ! |
---|
783 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
784 | WRITE(charout, FMT="('sink')") |
---|
785 | CALL prt_ctl_trc_info(charout) |
---|
786 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm) |
---|
787 | ENDIF |
---|
788 | ! |
---|
789 | CALL wrk_dealloc( jpi, jpj, jpk, znum3d ) |
---|
790 | ! |
---|
791 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink') |
---|
792 | ! |
---|
793 | END SUBROUTINE p4z_sink |
---|
794 | |
---|
795 | |
---|
796 | SUBROUTINE p4z_sink_init |
---|
797 | !!---------------------------------------------------------------------- |
---|
798 | !! *** ROUTINE p4z_sink_init *** |
---|
799 | !! |
---|
800 | !! ** Purpose : Initialization of sinking parameters |
---|
801 | !! Kriest parameterization only |
---|
802 | !! |
---|
803 | !! ** Method : Read the nampiskrs namelist and check the parameters |
---|
804 | !! called at the first timestep |
---|
805 | !! |
---|
806 | !! ** input : Namelist nampiskrs |
---|
807 | !!---------------------------------------------------------------------- |
---|
808 | INTEGER :: jk, jn, kiter |
---|
809 | INTEGER :: ios ! Local integer output status for namelist read |
---|
810 | REAL(wp) :: znum, zdiv |
---|
811 | REAL(wp) :: zws, zwr, zwl,wmax, znummax |
---|
812 | REAL(wp) :: zmin, zmax, zl, zr, xacc |
---|
813 | ! |
---|
814 | NAMELIST/nampiskrs/ xkr_sfact, xkr_stick , & |
---|
815 | & xkr_nnano, xkr_ndiat, xkr_nmicro, xkr_nmeso, xkr_naggr |
---|
816 | !!---------------------------------------------------------------------- |
---|
817 | ! |
---|
818 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink_init') |
---|
819 | ! |
---|
820 | |
---|
821 | REWIND( numnatp_ref ) ! Namelist nampiskrs in reference namelist : Pisces sinking Kriest |
---|
822 | READ ( numnatp_ref, nampiskrs, IOSTAT = ios, ERR = 901) |
---|
823 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampiskrs in reference namelist', lwp ) |
---|
824 | |
---|
825 | REWIND( numnatp_cfg ) ! Namelist nampiskrs in configuration namelist : Pisces sinking Kriest |
---|
826 | READ ( numnatp_cfg, nampiskrs, IOSTAT = ios, ERR = 902 ) |
---|
827 | 902 IF( ios /= 0 ) CALL ctl_nam ( ios , 'nampiskrs in configuration namelist', lwp ) |
---|
828 | IF(lwm) WRITE ( numonp, nampiskrs ) |
---|
829 | |
---|
830 | IF(lwp) THEN |
---|
831 | WRITE(numout,*) |
---|
832 | WRITE(numout,*) ' Namelist : nampiskrs' |
---|
833 | WRITE(numout,*) ' Sinking factor xkr_sfact = ', xkr_sfact |
---|
834 | WRITE(numout,*) ' Stickiness xkr_stick = ', xkr_stick |
---|
835 | WRITE(numout,*) ' Nbr of cell in nano size class xkr_nnano = ', xkr_nnano |
---|
836 | WRITE(numout,*) ' Nbr of cell in diatoms size class xkr_ndiat = ', xkr_ndiat |
---|
837 | WRITE(numout,*) ' Nbr of cell in microzoo size class xkr_nmicro = ', xkr_nmicro |
---|
838 | WRITE(numout,*) ' Nbr of cell in mesozoo size class xkr_nmeso = ', xkr_nmeso |
---|
839 | WRITE(numout,*) ' Nbr of cell in aggregates size class xkr_naggr = ', xkr_naggr |
---|
840 | ENDIF |
---|
841 | |
---|
842 | |
---|
843 | ! max and min vertical particle speed |
---|
844 | xkr_wsbio_min = xkr_sfact * xkr_mass_min**xkr_eta |
---|
845 | xkr_wsbio_max = xkr_sfact * xkr_mass_max**xkr_eta |
---|
846 | IF (lwp) WRITE(numout,*) ' max and min vertical particle speed ', xkr_wsbio_min, xkr_wsbio_max |
---|
847 | |
---|
848 | ! |
---|
849 | ! effect of the sizes of the different living pools on particle numbers |
---|
850 | ! nano = 2um-20um -> mean size=6.32 um -> ws=2.596 -> xnum=xnnano=2.337 |
---|
851 | ! diat and microzoo = 10um-200um -> 44.7 -> 8.732 -> xnum=xndiat=3.718 |
---|
852 | ! mesozoo = 200um-2mm -> 632.45 -> 45.14 -> xnum=xnmeso=7.147 |
---|
853 | ! aggregates = 200um-10mm -> 1414 -> 74.34 -> xnum=xnaggr=9.877 |
---|
854 | ! doc aggregates = 1um |
---|
855 | ! ---------------------------------------------------------- |
---|
856 | |
---|
857 | xkr_dnano = 1. / ( xkr_massp * xkr_nnano ) |
---|
858 | xkr_ddiat = 1. / ( xkr_massp * xkr_ndiat ) |
---|
859 | xkr_dmicro = 1. / ( xkr_massp * xkr_nmicro ) |
---|
860 | xkr_dmeso = 1. / ( xkr_massp * xkr_nmeso ) |
---|
861 | xkr_daggr = 1. / ( xkr_massp * xkr_naggr ) |
---|
862 | |
---|
863 | !!--------------------------------------------------------------------- |
---|
864 | !! 'key_kriest' ??? |
---|
865 | !!--------------------------------------------------------------------- |
---|
866 | ! COMPUTATION OF THE VERTICAL PROFILE OF MAXIMUM SINKING SPEED |
---|
867 | ! Search of the maximum number of particles in aggregates for each k-level. |
---|
868 | ! Bissection Method |
---|
869 | !-------------------------------------------------------------------- |
---|
870 | IF (lwp) THEN |
---|
871 | WRITE(numout,*) |
---|
872 | WRITE(numout,*)' kriest : Compute maximum number of particles in aggregates' |
---|
873 | ENDIF |
---|
874 | |
---|
875 | xacc = 0.001_wp |
---|
876 | kiter = 50 |
---|
877 | zmin = 1.10_wp |
---|
878 | zmax = xkr_mass_max / xkr_mass_min |
---|
879 | xkr_frac = zmax |
---|
880 | |
---|
881 | DO jk = 1,jpk |
---|
882 | zl = zmin |
---|
883 | zr = zmax |
---|
884 | wmax = 0.5 * e3t_n(1,1,jk) * rday * float(niter1max) / rfact2 |
---|
885 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zl |
---|
886 | znum = zl - 1. |
---|
887 | zwl = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
888 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
889 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
890 | & - wmax |
---|
891 | |
---|
892 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zr |
---|
893 | znum = zr - 1. |
---|
894 | zwr = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
895 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
896 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
897 | & - wmax |
---|
898 | iflag: DO jn = 1, kiter |
---|
899 | IF ( zwl == 0._wp ) THEN ; znummax = zl |
---|
900 | ELSEIF( zwr == 0._wp ) THEN ; znummax = zr |
---|
901 | ELSE |
---|
902 | znummax = ( zr + zl ) / 2. |
---|
903 | zdiv = xkr_zeta + xkr_eta - xkr_eta * znummax |
---|
904 | znum = znummax - 1. |
---|
905 | zws = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
906 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
907 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
908 | & - wmax |
---|
909 | IF( zws * zwl < 0. ) THEN ; zr = znummax |
---|
910 | ELSE ; zl = znummax |
---|
911 | ENDIF |
---|
912 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zl |
---|
913 | znum = zl - 1. |
---|
914 | zwl = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
915 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
916 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
917 | & - wmax |
---|
918 | |
---|
919 | zdiv = xkr_zeta + xkr_eta - xkr_eta * zr |
---|
920 | znum = zr - 1. |
---|
921 | zwr = xkr_wsbio_min * xkr_zeta / zdiv & |
---|
922 | & - ( xkr_wsbio_max * xkr_eta * znum * & |
---|
923 | & xkr_frac**( -xkr_zeta / znum ) / zdiv ) & |
---|
924 | & - wmax |
---|
925 | ! |
---|
926 | IF ( ABS ( zws ) <= xacc ) EXIT iflag |
---|
927 | ! |
---|
928 | ENDIF |
---|
929 | ! |
---|
930 | END DO iflag |
---|
931 | |
---|
932 | xnumm(jk) = znummax |
---|
933 | IF (lwp) WRITE(numout,*) ' jk = ', jk, ' wmax = ', wmax,' xnum max = ', xnumm(jk) |
---|
934 | ! |
---|
935 | END DO |
---|
936 | ! |
---|
937 | ik100 = 10 ! last level where depth less than 100 m |
---|
938 | DO jk = jpkm1, 1, -1 |
---|
939 | IF( gdept_1d(jk) > 100. ) iksed = jk - 1 |
---|
940 | END DO |
---|
941 | IF (lwp) WRITE(numout,*) |
---|
942 | IF (lwp) WRITE(numout,*) ' Level corresponding to 100m depth ', ik100 + 1 |
---|
943 | IF (lwp) WRITE(numout,*) |
---|
944 | ! |
---|
945 | t_oce_co2_exp = 0._wp |
---|
946 | ! |
---|
947 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink_init') |
---|
948 | ! |
---|
949 | END SUBROUTINE p4z_sink_init |
---|
950 | |
---|
951 | #endif |
---|
952 | |
---|
953 | SUBROUTINE p4z_sink2( pwsink, psinkflx, jp_tra, kiter ) |
---|
954 | !!--------------------------------------------------------------------- |
---|
955 | !! *** ROUTINE p4z_sink2 *** |
---|
956 | !! |
---|
957 | !! ** Purpose : Compute the sedimentation terms for the various sinking |
---|
958 | !! particles. The scheme used to compute the trends is based |
---|
959 | !! on MUSCL. |
---|
960 | !! |
---|
961 | !! ** Method : - this ROUTINE compute not exactly the advection but the |
---|
962 | !! transport term, i.e. div(u*tra). |
---|
963 | !!--------------------------------------------------------------------- |
---|
964 | ! |
---|
965 | INTEGER , INTENT(in ) :: jp_tra ! tracer index index |
---|
966 | INTEGER , INTENT(in ) :: kiter ! number of iterations for time-splitting |
---|
967 | REAL(wp), INTENT(in ), DIMENSION(jpi,jpj,jpk) :: pwsink ! sinking speed |
---|
968 | REAL(wp), INTENT(inout), DIMENSION(jpi,jpj,jpk) :: psinkflx ! sinking fluxe |
---|
969 | !! |
---|
970 | INTEGER :: ji, jj, jk, jn |
---|
971 | REAL(wp) :: zigma,zew,zign, zflx, zstep |
---|
972 | REAL(wp), POINTER, DIMENSION(:,:,:) :: ztraz, zakz, zwsink2, ztrb |
---|
973 | !!--------------------------------------------------------------------- |
---|
974 | ! |
---|
975 | IF( nn_timing == 1 ) CALL timing_start('p4z_sink2') |
---|
976 | ! |
---|
977 | ! Allocate temporary workspace |
---|
978 | CALL wrk_alloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
---|
979 | |
---|
980 | zstep = rfact2 / FLOAT( kiter ) / 2. |
---|
981 | !$OMP PARALLEL |
---|
982 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
983 | DO jk = 1, jpk |
---|
984 | DO jj = 1, jpj |
---|
985 | DO ji = 1, jpi |
---|
986 | ztraz(ji,jj,jk) = 0.e0 |
---|
987 | zakz (ji,jj,jk) = 0.e0 |
---|
988 | ztrb (ji,jj,jk) = trb(ji,jj,jk,jp_tra) |
---|
989 | END DO |
---|
990 | END DO |
---|
991 | END DO |
---|
992 | !$OMP END DO NOWAIT |
---|
993 | !$OMP DO schedule(static) private(jk) |
---|
994 | DO jk = 1, jpkm1 |
---|
995 | zwsink2(:,:,jk+1) = -pwsink(:,:,jk) / rday * tmask(:,:,jk+1) |
---|
996 | END DO |
---|
997 | |
---|
998 | !$OMP DO schedule(static) private(jj, ji) |
---|
999 | DO jj = 1, jpj |
---|
1000 | DO ji = 1, jpi |
---|
1001 | zwsink2(ji,jj,1) = 0.e0 |
---|
1002 | END DO |
---|
1003 | END DO |
---|
1004 | !$OMP END DO NOWAIT |
---|
1005 | !$OMP END PARALLEL |
---|
1006 | |
---|
1007 | IF( lk_degrad ) THEN |
---|
1008 | !$OMP PARALLEL DO schedule(static) private(jk, jj, ji) |
---|
1009 | DO jk = 1, jpk |
---|
1010 | DO jj = 1, jpj |
---|
1011 | DO ji = 1, jpi |
---|
1012 | zwsink2(ji,jj,jk) = zwsink2(ji,jj,jk) * facvol(ji,jj,jk) |
---|
1013 | END DO |
---|
1014 | END DO |
---|
1015 | END DO |
---|
1016 | ENDIF |
---|
1017 | |
---|
1018 | |
---|
1019 | ! Vertical advective flux |
---|
1020 | DO jn = 1, 2 |
---|
1021 | ! first guess of the slopes interior values |
---|
1022 | !$OMP PARALLEL |
---|
1023 | !$OMP DO schedule(static) private(jk) |
---|
1024 | DO jk = 2, jpkm1 |
---|
1025 | ztraz(:,:,jk) = ( trb(:,:,jk-1,jp_tra) - trb(:,:,jk,jp_tra) ) * tmask(:,:,jk) |
---|
1026 | END DO |
---|
1027 | !$OMP END DO NOWAIT |
---|
1028 | |
---|
1029 | !$OMP DO schedule(static) private(jj, ji) |
---|
1030 | DO jj = 1, jpj |
---|
1031 | DO ji = 1, jpi |
---|
1032 | ztraz(ji,jj,1 ) = 0.0 |
---|
1033 | ztraz(ji,jj,jpk) = 0.0 |
---|
1034 | END DO |
---|
1035 | END DO |
---|
1036 | |
---|
1037 | ! slopes |
---|
1038 | !$OMP DO schedule(static) private(jk, jj, ji, zign) |
---|
1039 | DO jk = 2, jpkm1 |
---|
1040 | DO jj = 1,jpj |
---|
1041 | DO ji = 1, jpi |
---|
1042 | zign = 0.25 + SIGN( 0.25, ztraz(ji,jj,jk) * ztraz(ji,jj,jk+1) ) |
---|
1043 | zakz(ji,jj,jk) = ( ztraz(ji,jj,jk) + ztraz(ji,jj,jk+1) ) * zign |
---|
1044 | END DO |
---|
1045 | END DO |
---|
1046 | END DO |
---|
1047 | |
---|
1048 | ! Slopes limitation |
---|
1049 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
1050 | DO jk = 2, jpkm1 |
---|
1051 | DO jj = 1, jpj |
---|
1052 | DO ji = 1, jpi |
---|
1053 | zakz(ji,jj,jk) = SIGN( 1., zakz(ji,jj,jk) ) * & |
---|
1054 | & MIN( ABS( zakz(ji,jj,jk) ), 2. * ABS(ztraz(ji,jj,jk+1)), 2. * ABS(ztraz(ji,jj,jk) ) ) |
---|
1055 | END DO |
---|
1056 | END DO |
---|
1057 | END DO |
---|
1058 | |
---|
1059 | ! vertical advective flux |
---|
1060 | !$OMP DO schedule(static) private(jk, jj, ji, zigma, zew) |
---|
1061 | DO jk = 1, jpkm1 |
---|
1062 | DO jj = 1, jpj |
---|
1063 | DO ji = 1, jpi |
---|
1064 | zigma = zwsink2(ji,jj,jk+1) * zstep / e3w_n(ji,jj,jk+1) |
---|
1065 | zew = zwsink2(ji,jj,jk+1) |
---|
1066 | psinkflx(ji,jj,jk+1) = -zew * ( trb(ji,jj,jk,jp_tra) - 0.5 * ( 1 + zigma ) * zakz(ji,jj,jk) ) * zstep |
---|
1067 | END DO |
---|
1068 | END DO |
---|
1069 | END DO |
---|
1070 | ! |
---|
1071 | !$OMP DO schedule(static) private(jj, ji) |
---|
1072 | DO jj = 1, jpj |
---|
1073 | DO ji = 1, jpi |
---|
1074 | ! Boundary conditions |
---|
1075 | psinkflx(ji,jj,1 ) = 0.e0 |
---|
1076 | psinkflx(ji,jj,jpk) = 0.e0 |
---|
1077 | END DO |
---|
1078 | END DO |
---|
1079 | |
---|
1080 | !$OMP DO schedule(static) private(jk, jj, ji, zflx) |
---|
1081 | DO jk=1,jpkm1 |
---|
1082 | DO jj = 1,jpj |
---|
1083 | DO ji = 1, jpi |
---|
1084 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
---|
1085 | trb(ji,jj,jk,jp_tra) = trb(ji,jj,jk,jp_tra) + zflx |
---|
1086 | END DO |
---|
1087 | END DO |
---|
1088 | END DO |
---|
1089 | !$OMP END DO NOWAIT |
---|
1090 | !$OMP END PARALLEL |
---|
1091 | ENDDO |
---|
1092 | !$OMP PARALLEL |
---|
1093 | !$OMP DO schedule(static) private(jk, jj, ji, zflx) |
---|
1094 | DO jk = 1,jpkm1 |
---|
1095 | DO jj = 1,jpj |
---|
1096 | DO ji = 1, jpi |
---|
1097 | zflx = ( psinkflx(ji,jj,jk) - psinkflx(ji,jj,jk+1) ) / e3t_n(ji,jj,jk) |
---|
1098 | ztrb(ji,jj,jk) = ztrb(ji,jj,jk) + 2. * zflx |
---|
1099 | END DO |
---|
1100 | END DO |
---|
1101 | END DO |
---|
1102 | |
---|
1103 | !$OMP DO schedule(static) private(jk, jj, ji) |
---|
1104 | DO jk = 1, jpk |
---|
1105 | DO jj = 1, jpj |
---|
1106 | DO ji = 1, jpi |
---|
1107 | trb(ji,jj,jk,jp_tra) = ztrb(ji,jj,jk) |
---|
1108 | psinkflx(ji,jj,jk) = 2. * psinkflx(ji,jj,jk) |
---|
1109 | END DO |
---|
1110 | END DO |
---|
1111 | END DO |
---|
1112 | !$OMP END DO NOWAIT |
---|
1113 | !$OMP END PARALLEL |
---|
1114 | ! |
---|
1115 | CALL wrk_dealloc( jpi, jpj, jpk, ztraz, zakz, zwsink2, ztrb ) |
---|
1116 | ! |
---|
1117 | IF( nn_timing == 1 ) CALL timing_stop('p4z_sink2') |
---|
1118 | ! |
---|
1119 | END SUBROUTINE p4z_sink2 |
---|
1120 | |
---|
1121 | |
---|
1122 | INTEGER FUNCTION p4z_sink_alloc() |
---|
1123 | !!---------------------------------------------------------------------- |
---|
1124 | !! *** ROUTINE p4z_sink_alloc *** |
---|
1125 | !!---------------------------------------------------------------------- |
---|
1126 | ALLOCATE( wsbio3 (jpi,jpj,jpk) , wsbio4 (jpi,jpj,jpk) , wscal(jpi,jpj,jpk) , & |
---|
1127 | & sinking(jpi,jpj,jpk) , sinking2(jpi,jpj,jpk) , & |
---|
1128 | & sinkcal(jpi,jpj,jpk) , sinksil (jpi,jpj,jpk) , & |
---|
1129 | #if defined key_kriest |
---|
1130 | & xnumm(jpk) , & |
---|
1131 | #else |
---|
1132 | & sinkfer2(jpi,jpj,jpk) , & |
---|
1133 | #endif |
---|
1134 | & sinkfer(jpi,jpj,jpk) , STAT=p4z_sink_alloc ) |
---|
1135 | ! |
---|
1136 | IF( p4z_sink_alloc /= 0 ) CALL ctl_warn('p4z_sink_alloc : failed to allocate arrays.') |
---|
1137 | ! |
---|
1138 | END FUNCTION p4z_sink_alloc |
---|
1139 | |
---|
1140 | #else |
---|
1141 | !!====================================================================== |
---|
1142 | !! Dummy module : No PISCES bio-model |
---|
1143 | !!====================================================================== |
---|
1144 | CONTAINS |
---|
1145 | SUBROUTINE p4z_sink ! Empty routine |
---|
1146 | END SUBROUTINE p4z_sink |
---|
1147 | #endif |
---|
1148 | |
---|
1149 | !!====================================================================== |
---|
1150 | END MODULE p4zsink |
---|