1 | MODULE step |
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2 | !!====================================================================== |
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3 | !! *** MODULE step *** |
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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 | |
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7 | !!---------------------------------------------------------------------- |
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8 | !! stp : OPA system time-stepping |
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9 | !!---------------------------------------------------------------------- |
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10 | !! * Modules used |
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11 | USE oce ! ocean dynamics and tracers variables |
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12 | USE dom_oce ! ocean space and time domain variables |
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13 | USE zdf_oce ! ocean vertical physics variables |
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14 | USE ldftra_oce |
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15 | USE ldfdyn_oce |
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16 | USE cpl_oce ! coupled ocean-atmosphere variables |
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17 | USE in_out_manager ! I/O manager |
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18 | USE lbclnk |
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19 | |
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20 | USE daymod ! calendar (day routine) |
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21 | |
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22 | USE dtatem ! ocean temperature data (dta_tem routine) |
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23 | USE dtasal ! ocean salinity data (dta_sal routine) |
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24 | USE dtasst ! ocean sea surface temperature (dta_sst routine) |
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25 | USE dtasss ! ocean sea surface salinity (dta_sss routine) |
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26 | USE taumod ! surface stress (tau routine) |
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27 | USE flxmod ! thermohaline fluxes (flx routine) |
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28 | USE ocesbc ! thermohaline fluxes (oce_sbc routine) |
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29 | USE flxrnf ! runoffs (flx_rnf routine) |
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30 | USE flxfwb ! freshwater budget correction (flx_fwb routine) |
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31 | USE closea ! closed sea freshwater budget (flx_clo 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 dynhpg ! hydrostatic pressure grad. (dyn_hpg routine) |
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37 | USE dynhpg_atsk ! hydrostatic pressure grad. (dyn_hpg_atsk routine) |
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38 | USE dynspg_oce ! surface pressure gradient (dyn_spg routine) |
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39 | USE dynspg ! surface pressure gradient (dyn_spg routine) |
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40 | USE dynkeg ! kinetic energy gradient (dyn_keg routine) |
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41 | USE dynvor ! vorticity term (dyn_vor_... routines) |
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42 | USE dynzad ! vertical advection (dyn_adv routine) |
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43 | USE dynldf_bilapg ! lateral mixing (dyn_ldf_bilapg routine) |
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44 | USE dynldf_bilap ! lateral mixing (dyn_ldf_bilap routine) |
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45 | USE dynldf_iso ! lateral mixing (dyn_ldf_iso routine) |
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46 | USE dynldf_lap ! lateral mixing (dyn_ldf_lap routine) |
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47 | USE dynzdf_imp ! vertical diffusion: implicit (dyn_zdf routine) |
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48 | USE dynzdf_imp_atsk ! vertical diffusion: implicit (dyn_zdf routine) |
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49 | USE dynzdf_iso ! vertical diffusion: isopycnal (dyn_zdf routine) |
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50 | USE dynzdf_exp ! vertical diffusion: explicit (dyn_zdf_exp routine) |
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51 | USE dynnxt ! time-stepping (dyn_nxt routine) |
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52 | |
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53 | USE trabbc ! bottom boundary condition (tra_bbc routine) |
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54 | USE trabbl ! bottom boundary layer (tra_bbl routine) |
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55 | USE tradmp ! internal damping (tra_dmp routine) |
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56 | USE traldf_bilapg ! lateral mixing (tra_ldf_bilapg routine) |
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57 | USE traldf_bilap ! lateral mixing (tra_ldf_bilap routine) |
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58 | USE traldf_iso ! lateral mixing (tra_ldf_iso routine) |
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59 | USE traldf_iso_zps ! lateral mixing (tra_ldf_iso_zps routine) |
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60 | USE traldf_lap ! lateral mixing (tra_ldf_lap routine) |
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61 | USE traqsr ! solar radiation penetration (tra_qsr routine) |
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62 | USE tranpc ! non-penetrative convection (tra_npc routine) |
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63 | USE tranxt ! time-stepping (tra_nxt routine) |
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64 | USE traadv_ctl ! advection scheme control (tra_adv_ctl routine) |
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65 | USE traadv_cen2 ! 2nd order centered scheme (tra_adv_cen2 routine) |
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66 | USE traadv_tvd ! TVD scheme (tra_adv_tvd routine) |
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67 | USE traadv_muscl ! MUSCL scheme (tra_adv_muscl routine) |
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68 | USE traadv_muscl2 ! MUSCL2 scheme (tra_adv_muscl2 routine) |
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69 | USE cla ! cross land advection (tra_cla routine) |
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70 | USE trazdf_exp ! vertical diffusion: explicit (tra_zdf_exp routine) |
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71 | USE trazdf_imp ! vertical diffusion: implicit (tra_zdf_imp routine) |
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72 | USE trazdf_iso ! vertical diffusion (tra_zdf_exp routine) |
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73 | USE trazdf_iso_vopt ! vertical diffusion (tra_zdf_exp routine) |
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74 | USE trasbc ! surface boundary condition (tra_sbc routine) |
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75 | |
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76 | USE eosbn2 ! equation of state (eos_bn2 routine) |
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77 | |
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78 | USE obc_par ! open boundary condition variables |
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79 | USE obcdta ! open boundary condition data (obc_dta routine) |
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80 | USE obcrst ! open boundary cond. restart (obc_rst routine) |
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81 | USE obcrad ! open boundary cond. radiation (obc_rad routine) |
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82 | USE obcspg ! open boundary cond spg (obc_spg routine) |
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83 | |
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84 | USE divcur ! hor. divergence and curl (div & cur routines) |
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85 | USE cla_div ! cross land: hor. divergence (div_cla routine) |
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86 | USE wzvmod ! vertical velocity (wzv routine) |
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87 | |
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88 | USE ldfslp ! iso-neutral slopes (ldf_slp routine) |
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89 | USE ldfeiv ! eddy induced velocity coef. (ldf_eiv routine) |
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90 | |
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91 | USE zdfbfr ! bottom friction (zdf_bfr routine) |
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92 | USE zdftke ! TKE vertical mixing (zdf_tke routine) |
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93 | USE zdfkpp ! KPP vertical mixing (zdf_kpp routine) |
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94 | USE zdfddm ! double diffusion mixing (zdf_ddm routine) |
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95 | USE zdfevd ! enhanced vertical diffusion (zdf_evd routine) |
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96 | USE zdfric ! Richardson vertical mixing (zdf_ric routine) |
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97 | USE zdfmxl ! Mixed-layer depth (zdf_mxl routine) |
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98 | |
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99 | USE zpshde ! partial step: hor. derivative (zps_hde routine) |
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100 | USE ice_oce ! sea-ice variable |
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101 | USE icestp ! sea-ice time-stepping (ice_stp routine) |
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102 | |
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103 | USE diawri ! Standard run outputs (dia_wri routine) |
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104 | USE trdicp ! Ocean momentum/tracers trends (trd_wri routine) |
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105 | USE trdmld ! mixed-layer trends (trd_mld routine) |
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106 | USE trdvor ! vorticity budget (trd_vor routine) |
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107 | USE diagap ! hor. mean model-data gap (dia_gap routine) |
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108 | USE diahdy ! dynamic height (dia_hdy routine) |
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109 | USE diaptr ! poleward transports (dia_ptr routine) |
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110 | USE diahth ! thermocline depth (dia_hth routine) |
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111 | USE diafwb ! freshwater budget (dia_fwb routine) |
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112 | USE diaspr ! suface pressure (rigid-lid) (dia_spr routine) |
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113 | USE flo_oce ! floats variables |
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114 | USE floats ! floats computation (flo_stp routine) |
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115 | |
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116 | USE stpctl ! time stepping control (stp_ctl routine) |
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117 | USE restart ! ocean restart (rst_wri routine) |
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118 | USE cpl ! exchanges in coupled mode (cpl_stp routine) |
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119 | USE prtctl ! Print control (prt_ctl routine) |
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120 | |
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121 | #if defined key_agrif |
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122 | USE agrif_opa_sponge ! Momemtum and tracers sponges |
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123 | #endif |
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124 | |
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125 | IMPLICIT NONE |
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126 | PRIVATE |
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127 | |
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128 | !! * Routine accessibility |
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129 | PUBLIC stp ! called by opa.F90 |
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130 | |
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131 | !! * Substitutions |
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132 | # include "domzgr_substitute.h90" |
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133 | # include "zdfddm_substitute.h90" |
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134 | !!---------------------------------------------------------------------- |
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135 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
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136 | !! $Header$ |
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137 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
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138 | !!---------------------------------------------------------------------- |
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139 | |
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140 | CONTAINS |
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141 | |
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142 | SUBROUTINE stp( & |
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143 | #if !defined key_agrif |
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144 | kstp & |
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145 | #endif |
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146 | ) !!---------------------------------------------------------------------- |
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147 | !! *** ROUTINE stp *** |
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148 | !! |
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149 | !! ** Purpose : - Time stepping of OPA (momentum and active tracer eqs.) |
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150 | !! - Time stepping of LIM (dynamic and thermodynamic eqs.) |
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151 | !! - Tme stepping of TRC (passive tracer eqs.) |
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152 | !! |
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153 | !! ** Method : -1- Update forcings and data |
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154 | !! -2- Update ocean physics |
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155 | !! -3- Compute the t and s trends |
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156 | !! -4- Update t and s |
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157 | !! -5- Compute the momentum trends |
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158 | !! -6- Update the horizontal velocity |
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159 | !! -7- Compute the diagnostics variables (rd,N2, div,cur,w) |
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160 | !! -8- Outputs and diagnostics |
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161 | !! |
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162 | !! History : |
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163 | !! ! 91-03 () Original code |
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164 | !! ! 91-11 (G. Madec) |
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165 | !! ! 92-06 (M. Imbard) add a first output record |
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166 | !! ! 96-04 (G. Madec) introduction of dynspg |
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167 | !! ! 96-04 (M.A. Foujols) introduction of passive tracer |
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168 | !! 8.0 ! 97-06 (G. Madec) new architecture of call |
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169 | !! 8.2 ! 97-06 (G. Madec, M. Imbard, G. Roullet) free surface |
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170 | !! 8.2 ! 99-02 (G. Madec, N. Grima) hpg implicit |
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171 | !! 8.2 ! 00-07 (J-M Molines, M. Imbard) Open Bondary Conditions |
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172 | !! 9.0 ! 02-06 (G. Madec) free form, suppress macro-tasking |
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173 | !! " ! 04-08 (C. Talandier) New trends organization |
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174 | !! " ! 05-01 (C. Ethe) Add the KPP closure scheme |
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175 | !! " ! 05-11 (V. Garnier) Surface pressure gradient organization |
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176 | !!---------------------------------------------------------------------- |
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177 | !! * Arguments |
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178 | INTEGER & |
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179 | #if !defined key_agrif |
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180 | , INTENT( in ) & |
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181 | #endif |
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182 | :: kstp ! ocean time-step index |
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183 | |
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184 | !! * local declarations |
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185 | INTEGER :: indic ! error indicator if < 0 |
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186 | !! --------------------------------------------------------------------- |
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187 | |
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188 | #if defined key_agrif |
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189 | kstp = nit000 + Agrif_Nb_Step() |
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190 | ! IF ( Agrif_Root() .and. lwp) Write(*,*) '---' |
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191 | ! IF (lwp) Write(*,*) 'Grid N°',Agrif_Fixed(),' time step ',kstp |
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192 | #endif |
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193 | indic = 1 ! reset to no error condition |
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194 | adatrj = adatrj + rdt/86400._wp |
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195 | |
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196 | CALL day( kstp ) ! Calendar |
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197 | |
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198 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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199 | ! Update data, open boundaries and Forcings |
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200 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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201 | |
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202 | IF( lk_dtatem ) CALL dta_tem( kstp ) ! update 3D temperature data |
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203 | |
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204 | IF( lk_dtasal ) CALL dta_sal( kstp ) ! Salinity data |
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205 | |
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206 | IF( lk_dtasst ) CALL dta_sst( kstp ) ! Sea Surface Temperature data |
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207 | |
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208 | IF( lk_dtasss ) CALL dta_sss( kstp ) ! Sea Surface salinity data |
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209 | |
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210 | IF( lk_obc ) CALL obc_dta( kstp ) ! update dynamic and tracer data at open boundaries |
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211 | |
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212 | IF( lk_obc ) CALL obc_rad( kstp ) ! compute phase velocities at open boundaries |
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213 | |
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214 | CALL tau( kstp ) ! wind stress |
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215 | |
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216 | CALL flx_rnf( kstp ) ! runoff data |
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217 | |
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218 | CALL flx( kstp ) ! heat and freshwater fluxes |
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219 | |
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220 | IF( lk_ice_lim ) CALL ice_stp( kstp ) ! sea-ice model (Update stress & fluxes) |
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221 | |
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222 | CALL oce_sbc( kstp ) ! ocean surface boudaries |
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223 | |
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224 | IF( ln_fwb ) CALL flx_fwb( kstp ) ! freshwater budget |
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225 | |
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226 | IF( nclosea == 1 ) CALL flx_clo( kstp ) ! closed sea in the domain (update freshwater fluxes) |
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227 | |
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228 | IF( kstp == nit000 ) THEN |
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229 | IF( ninist == 1 ) THEN ! Output the initial state and forcings |
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230 | CALL dia_wri_state( 'output.init' ) |
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231 | ENDIF |
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232 | ENDIF |
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233 | |
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234 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
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235 | CALL prt_ctl(tab2d_1=emp , clinfo1=' emp - : ', mask1=tmask, ovlap=1) |
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236 | CALL prt_ctl(tab2d_1=emps , clinfo1=' emps - : ', mask1=tmask, ovlap=1) |
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237 | CALL prt_ctl(tab2d_1=qt , clinfo1=' qt - : ', mask1=tmask, ovlap=1) |
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238 | CALL prt_ctl(tab2d_1=qsr , clinfo1=' qsr - : ', mask1=tmask, ovlap=1) |
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239 | CALL prt_ctl(tab2d_1=runoff , clinfo1=' runoff : ', mask1=tmask, ovlap=1) |
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240 | CALL prt_ctl(tab3d_1=tmask , clinfo1=' tmask : ', mask1=tmask, ovlap=1, kdim=jpk) |
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241 | CALL prt_ctl(tab3d_1=tn , clinfo1=' sst - : ', mask1=tmask, ovlap=1, kdim=1) |
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242 | CALL prt_ctl(tab3d_1=sn , clinfo1=' sss - : ', mask1=tmask, ovlap=1, kdim=1) |
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243 | CALL prt_ctl(tab2d_1=taux , clinfo1=' tau - x : ', tab2d_2=tauy, clinfo2=' - y : ', ovlap=1) |
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244 | ENDIF |
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245 | |
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246 | |
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247 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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248 | ! Ocean physics update |
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249 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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250 | !----------------------------------------------------------------------- |
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251 | ! VERTICAL PHYSICS |
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252 | !----------------------------------------------------------------------- |
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253 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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254 | !----------------------------------------------------------------------- |
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255 | |
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256 | CALL bn2( tb, sb, rn2 ) ! before Brunt-Vaisala frequency |
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257 | |
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258 | ! ! Vertical eddy viscosity and diffusivity coefficients |
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259 | IF( lk_zdfric ) CALL zdf_ric( kstp ) ! Richardson number dependent Kz |
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260 | IF( lk_zdftke ) CALL zdf_tke( kstp ) ! TKE closure scheme for Kz |
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261 | IF( lk_zdfkpp ) CALL zdf_kpp( kstp ) ! KPP closure scheme for Kz |
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262 | IF( lk_zdfcst ) avt (:,:,:) = avt0 * tmask(:,:,:) ! Constant Kz (reset avt to the background value) |
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263 | |
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264 | IF( cp_cfg == "orca" ) THEN ! ORCA: Reduce vertical mixing in some specific areas |
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265 | SELECT CASE ( jp_cfg ) |
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266 | CASE ( 05 ) ! ORCA R2 configuration |
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267 | avt (:,:,2) = avt (:,:,2) + 1.e-3 * upsrnfh(:,:) ! increase diffusivity of rivers mouths |
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268 | END SELECT |
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269 | ENDIF |
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270 | |
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271 | IF( ln_zdfevd ) CALL zdf_evd( kstp ) ! enhanced vertical eddy diffusivity |
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272 | |
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273 | IF( lk_zdfddm .AND. .NOT. lk_zdfkpp) & |
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274 | & CALL zdf_ddm( kstp ) ! double diffusive mixing |
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275 | |
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276 | CALL zdf_bfr( kstp ) ! bottom friction |
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277 | |
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278 | CALL zdf_mxl( kstp ) ! mixed layer depth |
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279 | |
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280 | |
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281 | !----------------------------------------------------------------------- |
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282 | ! LATERAL PHYSICS |
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283 | !----------------------------------------------------------------------- |
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284 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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285 | !----------------------------------------------------------------------- |
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286 | |
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287 | IF( lk_ldfslp ) CALL ldf_slp( kstp, rhd, rn2 ) ! before slope of the lateral mixing |
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288 | |
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289 | #if defined key_traldf_c2d |
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290 | IF( lk_traldf_eiv ) CALL ldf_eiv( kstp ) ! eddy induced velocity coefficient |
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291 | #endif |
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292 | |
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293 | |
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294 | #if defined key_passivetrc |
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295 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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296 | ! Passive Tracer Model |
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297 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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298 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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299 | !----------------------------------------------------------------------- |
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300 | |
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301 | CALL trc_stp( kstp, indic ) ! time-stepping |
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302 | |
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303 | #endif |
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304 | |
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305 | |
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306 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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307 | ! Active tracers |
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308 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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309 | ! N.B. ua, va arrays are used as workspace in this section |
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310 | !----------------------------------------------------------------------- |
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311 | |
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312 | ta(:,:,:) = 0.e0 ! set tracer trends to zero |
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313 | sa(:,:,:) = 0.e0 |
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314 | |
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315 | CALL tra_sbc( kstp ) ! surface boundary condition |
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316 | |
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317 | IF( ln_traqsr ) CALL tra_qsr( kstp ) ! penetrative solar radiation qsr |
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318 | |
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319 | IF( lk_trabbc ) CALL tra_bbc( kstp ) ! bottom heat flux |
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320 | |
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321 | IF( lk_trabbl_dif ) CALL tra_bbl_dif( kstp ) ! diffusive bottom boundary layer scheme |
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322 | IF( lk_trabbl_adv ) CALL tra_bbl_adv( kstp ) ! advective (and/or diffusive) bottom boundary layer scheme |
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323 | |
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324 | IF( lk_tradmp ) CALL tra_dmp( kstp ) ! internal damping trends |
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325 | |
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326 | ! ! horizontal & vertical advection |
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327 | IF( kstp == nit000 ) CALL tra_adv_ctl ! chose/control the scheme used |
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328 | IF( ln_traadv_cen2 ) CALL tra_adv_cen2 ( kstp ) ! 2nd order centered scheme |
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329 | IF( ln_traadv_tvd ) CALL tra_adv_tvd ( kstp ) ! TVD scheme |
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330 | IF( ln_traadv_muscl ) CALL tra_adv_muscl ( kstp ) ! MUSCL scheme |
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331 | IF( ln_traadv_muscl2 ) CALL tra_adv_muscl2( kstp ) ! MUSCL2 scheme |
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332 | |
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333 | IF( n_cla == 1 ) CALL tra_cla( kstp ) ! Cross Land Advection (Update Hor. advection) |
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334 | |
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335 | ! ! lateral mixing |
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336 | IF( l_traldf_lap ) CALL tra_ldf_lap ( kstp ) ! iso-level laplacian |
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337 | IF( l_traldf_bilap ) CALL tra_ldf_bilap ( kstp ) ! iso-level bilaplacian |
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338 | IF( l_traldf_bilapg ) CALL tra_ldf_bilapg ( kstp ) ! s-coord. horizontal bilaplacian |
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339 | IF( l_traldf_iso ) CALL tra_ldf_iso ( kstp ) ! iso-neutral/geopot. laplacian |
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340 | IF( l_traldf_iso_zps ) CALL tra_ldf_iso_zps( kstp ) ! partial step iso-neutral/geopot. laplacian |
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341 | |
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342 | #if defined key_agrif |
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343 | IF (.NOT. Agrif_Root()) CALL Agrif_Sponge_tra( kstp ) ! tracers sponge |
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344 | #endif |
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345 | ! ! vertical diffusion |
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346 | IF( l_trazdf_exp ) CALL tra_zdf_exp ( kstp ) ! explicit time stepping (time splitting scheme) |
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347 | IF( l_trazdf_imp ) CALL tra_zdf_imp ( kstp ) ! implicit time stepping (euler backward) |
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348 | IF( l_trazdf_iso ) CALL tra_zdf_iso ( kstp ) ! isopycnal |
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349 | IF( l_trazdf_iso_vo ) CALL tra_zdf_iso_vopt( kstp ) ! vector opt. isopycnal |
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350 | |
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351 | CALL tra_nxt( kstp ) ! tracer fields at next time step |
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352 | |
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353 | IF( ln_zdfnpc ) CALL tra_npc( kstp ) ! update the new (t,s) fields by non |
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354 | ! ! penetrative convective adjustment |
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355 | |
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356 | IF( ln_dynhpg_imp ) THEN ! semi-implicit hpg |
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357 | CALL eos( ta, sa, rhd, rhop ) ! Time-filtered in situ density used in dynhpg module |
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358 | IF( lk_zps ) CALL zps_hde( kstp, ta, sa, rhd, & ! Partial steps: time filtered hor. gradient |
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359 | & gtu, gsu, gru, & ! of t, s, rd at the bottom ocean level |
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360 | & gtv, gsv, grv ) |
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361 | ELSE ! centered hpg (default case) |
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362 | CALL eos( tb, sb, rhd, rhop ) ! now (swap=before) in situ density for dynhpg module |
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363 | IF( lk_zps ) CALL zps_hde( kstp, tb, sb, rhd, & ! Partial steps: now horizontal gradient |
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364 | & gtu, gsu, gru, & ! of t, s, rd at the bottom ocean level |
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365 | & gtv, gsv, grv ) |
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366 | ENDIF |
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367 | |
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368 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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369 | ! Dynamics |
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370 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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371 | ! N.B. ta, sa arrays are used as workspace in this section |
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372 | !----------------------------------------------------------------------- |
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373 | |
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374 | ua(:,:,:) = 0.e0 ! set dynamics trends to zero |
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375 | va(:,:,:) = 0.e0 |
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376 | |
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377 | CALL dyn_keg( kstp ) ! horizontal gradient of kinetic energy |
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378 | |
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379 | ! ! vorticity term including Coriolis |
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380 | IF( kstp == nit000 ) CALL dyn_vor_ctl ! chose/control the scheme used |
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381 | IF( ln_dynvor_ens ) CALL dyn_vor_enstrophy( kstp ) ! enstrophy conserving scheme |
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382 | IF( ln_dynvor_ene ) CALL dyn_vor_energy ( kstp ) ! energy conserving scheme |
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383 | IF( ln_dynvor_mix ) CALL dyn_vor_mixed ( kstp ) ! mixed energy/enstrophy conserving scheme |
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384 | IF( ln_dynvor_een ) CALL dyn_vor_ene_ens ( kstp ) ! combined energy/enstrophy conserving scheme |
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385 | |
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386 | ! ! lateral mixing |
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387 | IF( l_dynldf_lap ) CALL dyn_ldf_lap ( kstp ) ! iso-level laplacian |
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388 | IF( l_dynldf_bilap ) CALL dyn_ldf_bilap ( kstp ) ! iso-level bilaplacian |
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389 | IF( l_dynldf_bilapg ) CALL dyn_ldf_bilapg ( kstp ) ! s-coord. horizontal bilaplacian |
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390 | IF( l_dynldf_iso ) CALL dyn_ldf_iso ( kstp ) ! iso-neutral laplacian |
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391 | |
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392 | #if defined key_agrif |
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393 | IF (.NOT. Agrif_Root()) CALL Agrif_Sponge_dyn( kstp ) ! momemtum sponge |
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394 | #endif |
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395 | ! ! horizontal gradient of Hydrostatic pressure |
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396 | IF ( lk_jki ) THEN |
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397 | CALL dyn_hpg_atsk( kstp ) ! autotask case (j-k-i loop) |
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398 | ELSE |
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399 | CALL dyn_hpg ( kstp ) ! default case (k-j-i loop) |
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400 | ENDIF |
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401 | |
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402 | CALL dyn_zad ( kstp ) ! vertical advection |
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403 | |
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404 | ! ! vertical diffusion |
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405 | IF( l_dynzdf_exp ) CALL dyn_zdf_exp ( kstp ) ! explicit time stepping (time splitting scheme) |
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406 | IF( l_dynzdf_imp ) CALL dyn_zdf_imp ( kstp ) ! implicit time stepping (euler backward) |
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407 | IF( l_dynzdf_imp_tsk ) CALL dyn_zdf_imp_tsk( kstp ) ! autotask implicit time stepping (euler backward) |
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408 | IF( l_dynzdf_iso ) CALL dyn_zdf_iso ( kstp ) ! iso-neutral case |
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409 | |
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410 | IF( lk_dynspg_rl ) THEN |
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411 | IF( lk_obc ) CALL obc_spg( kstp ) ! surface pressure gradient at open boundaries |
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412 | ENDIF |
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413 | indic=0 |
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414 | !i bug lbc sur emp |
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415 | CALL lbc_lnk( emp, 'T', 1. ) |
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416 | !i |
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417 | CALL dyn_spg( kstp, indic ) ! surface pressure gradient |
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418 | |
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419 | CALL dyn_nxt( kstp ) ! velocity at next time step |
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420 | |
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421 | |
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422 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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423 | ! Computation of diagnostic variables |
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424 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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425 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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426 | !----------------------------------------------------------------------- |
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427 | |
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428 | CALL oc_fz_pt ! ocean surface freezing temperature |
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429 | |
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430 | CALL div_cur( kstp ) ! Horizontal divergence & Relative vorticity |
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431 | |
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432 | IF( n_cla == 1 ) CALL div_cla( kstp ) ! Cross Land Advection (Update Hor. divergence) |
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433 | |
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434 | CALL wzv( kstp ) ! Vertical velocity |
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435 | |
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436 | |
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437 | |
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438 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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439 | ! Control, diagnostics and outputs |
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440 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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441 | ! N.B. ua, va, ta, sa arrays are used as workspace in this section |
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442 | !----------------------------------------------------------------------- |
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443 | |
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444 | ! ! Time loop: control and print |
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445 | CALL stp_ctl( kstp, indic ) |
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446 | IF ( indic < 0 ) nstop = nstop + 1 |
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447 | |
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448 | IF ( nstop == 0 ) THEN |
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449 | ! ! Diagnostics: |
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450 | IF( lk_floats ) CALL flo_stp( kstp ) ! drifting Floats |
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451 | IF( lk_trddyn ) CALL trd_dwr( kstp ) ! trends: dynamics |
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452 | IF( lk_trdtra ) CALL trd_twr( kstp ) ! trends: active tracers |
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453 | IF( lk_trdmld ) CALL trd_mld( kstp ) ! trends: Mixed-layer |
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454 | IF( lk_trdvor ) CALL trd_vor( kstp ) ! trends: vorticity budget |
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455 | IF( lk_diaspr ) CALL dia_spr( kstp ) ! Surface pressure diagnostics |
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456 | IF( lk_diahth ) CALL dia_hth( kstp ) ! Thermocline depth (20 degres isotherm depth) |
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457 | IF( lk_diagap ) CALL dia_gap( kstp ) ! basin averaged diagnostics |
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458 | IF( lk_diahdy ) CALL dia_hdy( kstp ) ! dynamical heigh diagnostics |
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459 | IF( lk_diafwb ) CALL dia_fwb( kstp ) ! Fresh water budget diagnostics |
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460 | IF( ln_diaptr ) CALL dia_ptr( kstp ) ! Poleward TRansports diagnostics |
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461 | |
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462 | ! ! save and outputs |
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463 | CALL rst_write ( kstp ) ! ocean model: restart file output |
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464 | IF( lk_obc ) CALL obc_rst_wri( kstp ) ! ocean model: open boundary restart file output |
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465 | CALL dia_wri ( kstp, indic ) ! ocean model: outputs |
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466 | |
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467 | ENDIF |
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468 | |
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469 | !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> |
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470 | ! Coupled mode |
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471 | !<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<< |
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472 | |
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473 | IF( lk_cpl ) CALL cpl_stp( kstp ) ! coupled mode : field exchanges |
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474 | |
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475 | END SUBROUTINE stp |
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476 | |
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477 | !!====================================================================== |
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478 | END MODULE step |
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