1 | MODULE step1d |
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2 | !!====================================================================== |
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3 | !! *** MODULE step1D *** |
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4 | !! Time-stepping : manager of the ocean, tracer and ice time stepping |
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5 | !!====================================================================== |
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6 | #if defined key_cfg_1d |
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7 | !!---------------------------------------------------------------------- |
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8 | !! 'key_cfg_1d' 1D Configuration |
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9 | !!---------------------------------------------------------------------- |
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10 | !!---------------------------------------------------------------------- |
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11 | !! stp_1d : OPA system time-stepping on 1 direction |
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12 | !!---------------------------------------------------------------------- |
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13 | !! * Modules used |
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14 | USE oce ! ocean dynamics and tracers variables |
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15 | USE dom_oce ! ocean space and time domain variables |
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16 | USE zdf_oce ! ocean vertical physics variables |
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17 | USE ldftra_oce |
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18 | USE ldfdyn_oce |
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19 | USE in_out_manager ! I/O manager |
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20 | USE lbclnk |
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21 | |
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22 | USE daymod ! calendar (day routine) |
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23 | |
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24 | USE dtatem ! ocean temperature data (dta_tem routine) |
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25 | USE dtasal ! ocean salinity data (dta_sal routine) |
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26 | USE dtasst ! ocean sea surface temerature (dta_sst routine) |
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27 | USE taumod ! surface stress (tau routine) |
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28 | USE flxmod ! thermohaline fluxes (flx routine) |
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29 | USE ocesbc ! thermohaline fluxes (oce_sbc routine) |
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30 | USE flxrnf ! runoffs (flx_rnf routine) |
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31 | USE flxfwb ! freshwater budget correction (flx_fwb routine) |
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32 | USE ocfzpt ! surface ocean freezing point (oc_fz_pt routine) |
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33 | |
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34 | USE trcstp ! passive tracer time-stepping (trc_stp routine) |
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35 | |
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36 | USE dynzdf ! vertical diffusion (dyn_zdf routine) |
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37 | |
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38 | USE traqsr ! solar radiation penetration (tra_qsr routine) |
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39 | USE tranxt ! time-stepping (tra_nxt routine) |
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40 | USE trazdf ! vertical diffusion (tra_zdf routine) |
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41 | USE trasbc ! surface boundary condition (tra_sbc routine) |
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42 | |
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43 | USE eosbn2 |
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44 | |
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45 | USE zdfbfr ! bottom friction (zdf_bfr routine) |
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46 | USE zdftke ! TKE vertical mixing (zdf_tke routine) |
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47 | USE zdfkpp ! KPP vertical mixing (zdf_kpp routine) |
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48 | USE zdfddm ! double diffusion mixing (zdf_ddm routine) |
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49 | USE zdfevd ! enhanced vertical diffusion (zdf_evd routine) |
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50 | USE zdfric ! Richardson vertical mixing (zdf_ric routine) |
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51 | USE zdfmxl ! Mixed-layer depth (zdf_mxl routine) |
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52 | |
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53 | USE dyncor1d |
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54 | USE dynnxt1d |
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55 | USE diawri1d ! Standard run outputs (dia_wri_1d routine) |
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56 | |
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57 | USE ice_oce ! sea-ice variable |
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58 | USE icestp1d ! sea-ice time-stepping (ice_stp routine) |
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59 | |
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60 | USE diawri ! Standard run outputs (dia_wri_state routine) |
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61 | |
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62 | |
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63 | USE stpctl ! time stepping control (stp_ctl routine) |
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64 | USE restart ! ocean restart (rst_wri routine) |
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65 | USE prtctl ! Print control (prt_ctl routine) |
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66 | IMPLICIT NONE |
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67 | PRIVATE |
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68 | |
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69 | !! * Routine accessibility |
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70 | PUBLIC stp_1d ! called by opa.F90 |
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71 | |
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72 | !! * Substitutions |
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73 | # include "domzgr_substitute.h90" |
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74 | # include "zdfddm_substitute.h90" |
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75 | !!---------------------------------------------------------------------- |
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76 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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77 | !! $Header$ |
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78 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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79 | !!---------------------------------------------------------------------- |
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80 | |
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81 | CONTAINS |
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82 | |
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83 | SUBROUTINE stp_1d( kstp ) |
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84 | !!---------------------------------------------------------------------- |
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85 | !! *** ROUTINE stp1D *** |
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86 | !! |
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87 | !! ** Purpose : - Time stepping of OPA (momentum and active tracer eqs.) |
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88 | !! - Time stepping of LIM (dynamic and thermodynamic eqs.) |
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89 | !! |
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90 | !! ** Method : -1- Update forcings and data |
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91 | !! -2- Update ocean physics |
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92 | !! -3- Compute the t and s trends |
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93 | !! -4- Update t and s |
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94 | !! -5- Compute the momentum trends |
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95 | !! -6- Update the horizontal velocity |
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96 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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97 | !! -8- Outputs and diagnostics |
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98 | !! |
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99 | !! History : |
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100 | !! ! 91-03 () Original code |
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101 | !! ! 91-11 (G. Madec) |
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102 | !! ! 92-06 (M. Imbard) add a first output record |
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103 | !! ! 96-04 (G. Madec) introduction of dynspg |
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104 | !! ! 96-04 (M.A. Foujols) introduction of passive tracer |
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105 | !! 8.0 ! 97-06 (G. Madec) new architecture of call |
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106 | !! 8.2 ! 97-06 (G. Madec, M. Imbard, G. Roullet) free surface |
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107 | !! 8.2 ! 99-02 (G. Madec, N. Grima) hpg implicit |
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108 | !! 8.2 ! 00-07 (J-M Molines, M. Imbard) Open Bondary Conditions |
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109 | !! 9.0 ! 02-06 (G. Madec) free form, suppress macro-tasking |
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110 | !! ! 04-10 (C. Ethe) 1D configuration |
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111 | !!---------------------------------------------------------------------- |
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112 | !! * Arguments |
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113 | INTEGER, INTENT( in ) :: kstp ! ocean time-step index |
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114 | |
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115 | !! * local declarations |
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116 | INTEGER :: indic ! error indicator if < 0 |
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117 | !! INTEGER :: ii0, ii1, ij0, ij1 ! temporary integers |
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118 | !! --------------------------------------------------------------------- |
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119 | |
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120 | indic = 1 ! reset to no error condition |
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121 | adatrj = adatrj + rdt/86400._wp |
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122 | |
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123 | CALL day( kstp ) ! Calendar |
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124 | |
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125 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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126 | ! Update data, open boundaries and Forcings |
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127 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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128 | |
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129 | IF( lk_dtatem ) CALL dta_tem( kstp ) ! update 3D temperature data |
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130 | |
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131 | IF( lk_dtasal ) CALL dta_sal( kstp ) ! Salinity data |
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132 | |
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133 | IF( lk_dtasst ) CALL dta_sst( kstp ) ! Sea Surface Temperature data |
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134 | |
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135 | CALL tau( kstp ) ! wind stress |
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136 | |
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137 | CALL flx_rnf( kstp ) ! runoff data |
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138 | |
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139 | CALL flx( kstp ) ! heat and freshwater fluxes |
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140 | |
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141 | IF( lk_ice_lim ) THEN |
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142 | CALL ice_stp_1d( kstp ) ! sea-ice model (Update stress & fluxes) |
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143 | ELSE |
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144 | CALL oce_sbc( kstp ) ! ocean surface boudaries |
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145 | ENDIF |
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146 | |
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147 | IF( ln_fwb ) CALL flx_fwb( kstp ) ! freshwater budget |
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148 | |
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149 | |
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150 | IF( kstp == nit000 ) THEN |
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151 | IF( ninist == 1 ) THEN ! Output the initial state and forcings |
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152 | CALL dia_wri_state( 'output.init' ) |
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153 | ENDIF |
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154 | ENDIF |
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155 | |
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156 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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157 | CALL prt_ctl(tab2d_1=emp , clinfo1=' emp - : ', mask1=tmask, ovlap=1) |
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158 | CALL prt_ctl(tab2d_1=emps , clinfo1=' emps - : ', mask1=tmask, ovlap=1) |
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159 | CALL prt_ctl(tab2d_1=qt , clinfo1=' qt - : ', mask1=tmask, ovlap=1) |
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160 | CALL prt_ctl(tab2d_1=qsr , clinfo1=' qsr - : ', mask1=tmask, ovlap=1) |
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161 | CALL prt_ctl(tab2d_1=runoff , clinfo1=' runoff : ', mask1=tmask, ovlap=1) |
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162 | CALL prt_ctl(tab3d_1=tmask , clinfo1=' tmask : ', mask1=tmask, ovlap=1, kdim=jpk) |
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163 | CALL prt_ctl(tab3d_1=tn , clinfo1=' sst - : ', mask1=tmask, ovlap=1, kdim=1) |
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164 | CALL prt_ctl(tab3d_1=sn , clinfo1=' sss - : ', mask1=tmask, ovlap=1, kdim=1) |
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165 | CALL prt_ctl(tab2d_1=taux , clinfo1=' tau - x : ', mask1=umask, & |
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166 | & tab2d_2=tauy , clinfo2=' - y : ', mask2=vmask, ovlap=1) |
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167 | ENDIF |
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168 | |
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169 | |
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170 | |
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171 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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172 | ! Ocean physics update |
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173 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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174 | !----------------------------------------------------------------------- |
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175 | ! VERTICAL PHYSICS |
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176 | !----------------------------------------------------------------------- |
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177 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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178 | !----------------------------------------------------------------------- |
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179 | |
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180 | CALL bn2( tb, sb, rn2 ) ! before Brunt-Vaisala frequency |
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181 | |
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182 | ! ! Vertical eddy viscosity and diffusivity coefficients |
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183 | IF( lk_zdfric ) CALL zdf_ric( kstp ) ! Richardson number dependent Kz |
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184 | IF( lk_zdftke ) CALL zdf_tke( kstp ) ! TKE closure scheme for Kz |
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185 | IF( lk_zdfkpp ) CALL zdf_kpp( kstp ) ! KPP scheme for Kz |
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186 | IF( lk_zdfcst ) avt (:,:,:) = avt0 * tmask(:,:,:) ! Constant Kz (reset avt to the background value) |
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187 | |
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188 | |
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189 | IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity |
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190 | |
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191 | IF( lk_zdfddm .AND. .NOT. lk_zdfkpp) & |
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192 | & CALL zdf_ddm( kstp ) ! double diffusive mixing |
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193 | |
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194 | CALL zdf_bfr( kstp ) ! bottom friction |
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195 | |
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196 | CALL zdf_mxl( kstp ) ! mixed layer depth |
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197 | |
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198 | |
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199 | #if defined key_passivetrc |
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200 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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201 | ! Passive Tracer Model |
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202 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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203 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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204 | !----------------------------------------------------------------------- |
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205 | |
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206 | CALL trc_stp( kstp, indic ) ! time-stepping |
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207 | |
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208 | #endif |
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209 | |
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210 | |
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211 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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212 | ! Active tracers |
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213 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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214 | ! N.B. ua, va arrays are used as workspace in this section |
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215 | !----------------------------------------------------------------------- |
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216 | |
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217 | ta(:,:,:) = 0.e0 ! set tracer trends to zero |
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218 | sa(:,:,:) = 0.e0 |
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219 | |
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220 | CALL tra_sbc( kstp ) ! surface boundary condition |
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221 | |
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222 | IF( ln_traqsr ) CALL tra_qsr( kstp ) ! penetrative solar radiation qsr |
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223 | |
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224 | IF( lk_zdfkpp ) CALL tra_kpp( kstp ) ! KPP non-local tracer fluxes |
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225 | |
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226 | CALL tra_zdf( kstp ) ! vertical mixing |
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227 | |
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228 | CALL tra_nxt( kstp ) ! tracer fields at next time step |
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229 | |
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230 | CALL eos( tb, sb, rhd, rhop ) ! now (swap=before) in situ density for dynhpg module |
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231 | |
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232 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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233 | ! Dynamics |
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234 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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235 | ! N.B. ta, sa arrays are used as workspace in this section |
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236 | !----------------------------------------------------------------------- |
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237 | |
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238 | ua(:,:,:) = 0.e0 ! set dynamics trends to zero |
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239 | va(:,:,:) = 0.e0 |
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240 | |
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241 | CALL dyn_cor_1d ( kstp ) |
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242 | ! ! vertical diffusion |
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243 | CALL dyn_zdf( kstp ) |
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244 | |
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245 | !i bug lbc sur emp |
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246 | CALL lbc_lnk( emp, 'T', 1. ) |
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247 | !i |
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248 | |
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249 | CALL dyn_nxt_1d( kstp ) ! lateral velocity at next time step |
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250 | |
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251 | |
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252 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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253 | ! Computation of diagnostic variables |
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254 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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255 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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256 | !----------------------------------------------------------------------- |
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257 | |
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258 | CALL oc_fz_pt ! ocean surface freezing temperature |
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259 | |
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260 | |
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261 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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262 | ! Control, diagnostics and outputs |
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263 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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264 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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265 | !----------------------------------------------------------------------- |
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266 | |
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267 | ! ! Time loop: control and print |
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268 | CALL stp_ctl( kstp, indic ) |
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269 | IF ( indic < 0 ) CALL ctl_stop( 'step1d: indic < 0' ) |
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270 | |
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271 | IF ( nstop == 0 ) THEN |
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272 | ! ! Diagnostics: |
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273 | ! ! save and outputs |
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274 | CALL rst_write ( kstp ) ! ocean model: restart file output |
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275 | CALL dia_wri_1d ( kstp, indic ) ! ocean model: outputs |
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276 | |
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277 | ENDIF |
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278 | |
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279 | |
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280 | END SUBROUTINE stp_1d |
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281 | #else |
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282 | !!---------------------------------------------------------------------- |
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283 | !! Default key NO 1D Config |
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284 | !!---------------------------------------------------------------------- |
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285 | CONTAINS |
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286 | SUBROUTINE stp_1d ( kt ) |
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287 | WRITE(*,*) 'stp_1d: You should not have seen this print! error?', kt |
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288 | END SUBROUTINE stp_1d |
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289 | #endif |
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290 | !!====================================================================== |
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291 | END MODULE step1d |
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