1 | MODULE icethd |
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2 | !!====================================================================== |
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3 | !! *** MODULE icethd *** |
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4 | !! sea-ice : master routine for thermodynamics |
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5 | !!====================================================================== |
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6 | !! History : 1.0 ! 2000-01 (M.A. Morales Maqueda, H. Goosse, T. Fichefet) original code 1D |
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7 | !! 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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8 | !!---------------------------------------------------------------------- |
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9 | #if defined key_si3 |
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10 | !!---------------------------------------------------------------------- |
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11 | !! 'key_si3' SI3 sea-ice model |
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12 | !!---------------------------------------------------------------------- |
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13 | !! ice_thd : thermodynamics of sea ice |
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14 | !! ice_thd_init : initialisation of sea-ice thermodynamics |
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15 | !!---------------------------------------------------------------------- |
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16 | USE phycst ! physical constants |
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17 | USE dom_oce ! ocean space and time domain variables |
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18 | USE ice ! sea-ice: variables |
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19 | !!gm list trop longue ==>>> why not passage en argument d'appel ? |
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20 | USE sbc_oce , ONLY : sss_m, sst_m, e3t_m, utau, vtau, ssu_m, ssv_m, frq_m, sprecip, ln_cpl |
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21 | USE sbc_ice , ONLY : qsr_oce, qns_oce, qemp_oce, qsr_ice, qns_ice, dqns_ice, evap_ice, qprec_ice, qevap_ice, & |
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22 | & qml_ice, qcn_ice, qtr_ice_top |
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23 | USE ice1D ! sea-ice: thermodynamics variables |
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24 | USE icethd_zdf ! sea-ice: vertical heat diffusion |
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25 | USE icethd_dh ! sea-ice: ice-snow growth and melt |
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26 | USE icethd_da ! sea-ice: lateral melting |
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27 | USE icethd_sal ! sea-ice: salinity |
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28 | USE icethd_ent ! sea-ice: enthalpy redistribution |
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29 | USE icethd_do ! sea-ice: growth in open water |
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30 | USE icethd_pnd ! sea-ice: melt ponds |
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31 | USE iceitd ! sea-ice: remapping thickness distribution |
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32 | USE icecor ! sea-ice: corrections |
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33 | USE icetab ! sea-ice: 1D <==> 2D transformation |
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34 | USE icevar ! sea-ice: operations |
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35 | USE icectl ! sea-ice: control print |
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36 | ! |
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37 | USE in_out_manager ! I/O manager |
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38 | USE iom ! I/O manager library |
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39 | USE lib_mpp ! MPP library |
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40 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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41 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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42 | USE timing ! Timing |
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43 | |
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44 | IMPLICIT NONE |
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45 | PRIVATE |
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46 | |
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47 | PUBLIC ice_thd ! called by limstp module |
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48 | PUBLIC ice_thd_init ! called by ice_init |
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49 | |
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50 | !! for convergence tests |
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51 | REAL(wp), ALLOCATABLE, DIMENSION(:,:,:) :: ztice_cvgerr, ztice_cvgstp |
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52 | |
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53 | !! * Substitutions |
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54 | # include "do_loop_substitute.h90" |
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55 | !!---------------------------------------------------------------------- |
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56 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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57 | !! $Id$ |
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58 | !! Software governed by the CeCILL license (see ./LICENSE) |
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59 | !!---------------------------------------------------------------------- |
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60 | CONTAINS |
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61 | |
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62 | SUBROUTINE ice_thd( kt ) |
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63 | !!------------------------------------------------------------------- |
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64 | !! *** ROUTINE ice_thd *** |
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65 | !! |
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66 | !! ** Purpose : This routine manages ice thermodynamics |
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67 | !! |
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68 | !! ** Action : - computation of oceanic sensible heat flux at the ice base |
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69 | !! energy budget in the leads |
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70 | !! net fluxes on top of ice and of ocean |
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71 | !! - selection of grid cells with ice |
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72 | !! - call ice_thd_zdf for vertical heat diffusion |
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73 | !! - call ice_thd_dh for vertical ice growth and melt |
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74 | !! - call ice_thd_pnd for melt ponds |
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75 | !! - call ice_thd_ent for enthalpy remapping |
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76 | !! - call ice_thd_sal for ice desalination |
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77 | !! - call ice_thd_temp to retrieve temperature from ice enthalpy |
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78 | !! - call ice_thd_mono for extra lateral ice melt if active virtual thickness distribution |
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79 | !! - call ice_thd_da for lateral ice melt |
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80 | !! - back to the geographic grid |
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81 | !! - call ice_thd_rem for remapping thickness distribution |
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82 | !! - call ice_thd_do for ice growth in leads |
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83 | !!------------------------------------------------------------------- |
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84 | INTEGER, INTENT(in) :: kt ! number of iteration |
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85 | ! |
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86 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
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87 | !!------------------------------------------------------------------- |
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88 | ! controls |
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89 | IF( ln_timing ) CALL timing_start('icethd') ! timing |
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90 | IF( ln_icediachk ) CALL ice_cons_hsm(0, 'icethd', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) ! conservation |
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91 | IF( ln_icediachk ) CALL ice_cons2D (0, 'icethd', diag_v, diag_s, diag_t, diag_fv, diag_fs, diag_ft) ! conservation |
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92 | |
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93 | IF( kt == nit000 .AND. lwp ) THEN |
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94 | WRITE(numout,*) |
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95 | WRITE(numout,*) 'ice_thd: sea-ice thermodynamics' |
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96 | WRITE(numout,*) '~~~~~~~' |
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97 | ENDIF |
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98 | |
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99 | ! convergence tests |
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100 | IF( ln_zdf_chkcvg ) THEN |
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101 | ALLOCATE( ztice_cvgerr(jpi,jpj,jpl) , ztice_cvgstp(jpi,jpj,jpl) ) |
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102 | ztice_cvgerr = 0._wp ; ztice_cvgstp = 0._wp |
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103 | ENDIF |
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104 | ! |
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105 | CALL ice_thd_frazil !--- frazil ice: collection thickness (ht_i_new) & fraction of frazil (fraz_frac) |
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106 | ! |
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107 | !-------------------------------------------------------------------------------------------! |
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108 | ! Thermodynamic computation (only on grid points covered by ice) => loop over ice categories |
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109 | !-------------------------------------------------------------------------------------------! |
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110 | DO jl = 1, jpl |
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111 | |
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112 | ! select ice covered grid points |
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113 | npti = 0 ; nptidx(:) = 0 |
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114 | DO_2D( nn_hls, nn_hls, nn_hls, nn_hls ) |
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115 | IF ( a_i(ji,jj,jl) > epsi10 ) THEN |
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116 | npti = npti + 1 |
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117 | nptidx(npti) = (jj - 1) * jpi + ji |
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118 | ENDIF |
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119 | END_2D |
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120 | |
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121 | IF( npti > 0 ) THEN ! If there is no ice, do nothing. |
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122 | ! |
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123 | CALL ice_thd_1d2d( jl, 1 ) ! --- Move to 1D arrays --- ! |
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124 | ! ! --- & Change units of e_i, e_s from J/m2 to J/m3 --- ! |
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125 | ! |
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126 | s_i_new (1:npti) = 0._wp ; dh_s_tot(1:npti) = 0._wp ! --- some init --- ! (important to have them here) |
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127 | dh_i_sum (1:npti) = 0._wp ; dh_i_bom(1:npti) = 0._wp ; dh_i_itm (1:npti) = 0._wp |
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128 | dh_i_sub (1:npti) = 0._wp ; dh_i_bog(1:npti) = 0._wp |
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129 | dh_snowice(1:npti) = 0._wp ; dh_s_mlt(1:npti) = 0._wp |
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130 | ! |
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131 | CALL ice_thd_zdf ! --- Ice-Snow temperature --- ! |
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132 | ! |
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133 | IF( ln_icedH ) THEN ! --- Growing/Melting --- ! |
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134 | CALL ice_thd_dh ! Ice-Snow thickness |
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135 | CALL ice_thd_ent( e_i_1d(1:npti,:) ) ! Ice enthalpy remapping |
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136 | ENDIF |
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137 | CALL ice_thd_sal( ln_icedS ) ! --- Ice salinity --- ! |
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138 | ! |
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139 | CALL ice_thd_temp ! --- Temperature update --- ! |
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140 | ! |
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141 | IF( ln_icedH .AND. ln_virtual_itd ) & |
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142 | & CALL ice_thd_mono ! --- Extra lateral melting if virtual_itd --- ! |
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143 | ! |
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144 | IF( ln_icedA ) CALL ice_thd_da ! --- Lateral melting --- ! |
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145 | ! |
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146 | CALL ice_thd_1d2d( jl, 2 ) ! --- Change units of e_i, e_s from J/m3 to J/m2 --- ! |
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147 | ! ! --- & Move to 2D arrays --- ! |
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148 | ENDIF |
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149 | ! |
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150 | END DO |
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151 | ! |
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152 | IF( ln_icediachk ) CALL ice_cons_hsm(1, 'icethd', rdiag_v, rdiag_s, rdiag_t, rdiag_fv, rdiag_fs, rdiag_ft) |
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153 | IF( ln_icediachk ) CALL ice_cons2D (1, 'icethd', diag_v, diag_s, diag_t, diag_fv, diag_fs, diag_ft) |
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154 | ! |
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155 | IF ( ln_pnd .AND. ln_icedH ) & |
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156 | & CALL ice_thd_pnd ! --- Melt ponds --- ! |
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157 | ! |
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158 | IF( jpl > 1 ) CALL ice_itd_rem( kt ) ! --- Transport ice between thickness categories --- ! |
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159 | ! |
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160 | IF( ln_icedO ) CALL ice_thd_do ! --- Frazil ice growth in leads --- ! |
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161 | ! |
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162 | CALL ice_cor( kt , 2 ) ! --- Corrections --- ! |
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163 | ! |
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164 | oa_i(:,:,:) = oa_i(:,:,:) + a_i(:,:,:) * rDt_ice ! --- Ice natural aging incrementation |
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165 | ! |
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166 | DO_2D( 0, 0, 0, 0 ) ! --- Ice velocity corrections |
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167 | IF( at_i(ji,jj) == 0._wp ) THEN ! if ice has melted |
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168 | IF( at_i(ji+1,jj) == 0._wp ) u_ice(ji ,jj) = 0._wp ! right side |
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169 | IF( at_i(ji-1,jj) == 0._wp ) u_ice(ji-1,jj) = 0._wp ! left side |
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170 | IF( at_i(ji,jj+1) == 0._wp ) v_ice(ji,jj ) = 0._wp ! upper side |
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171 | IF( at_i(ji,jj-1) == 0._wp ) v_ice(ji,jj-1) = 0._wp ! bottom side |
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172 | ENDIF |
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173 | END_2D |
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174 | CALL lbc_lnk( 'icethd', u_ice, 'U', -1.0_wp, v_ice, 'V', -1.0_wp ) |
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175 | ! |
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176 | ! convergence tests |
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177 | IF( ln_zdf_chkcvg ) THEN |
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178 | CALL iom_put( 'tice_cvgerr', ztice_cvgerr ) ; DEALLOCATE( ztice_cvgerr ) |
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179 | CALL iom_put( 'tice_cvgstp', ztice_cvgstp ) ; DEALLOCATE( ztice_cvgstp ) |
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180 | ENDIF |
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181 | ! |
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182 | ! controls |
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183 | IF( ln_icectl ) CALL ice_prt (kt, iiceprt, jiceprt, 1, ' - ice thermodyn. - ') ! prints |
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184 | IF( sn_cfctl%l_prtctl ) & |
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185 | & CALL ice_prt3D ('icethd') ! prints |
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186 | IF( ln_timing ) CALL timing_stop('icethd') ! timing |
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187 | ! |
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188 | END SUBROUTINE ice_thd |
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189 | |
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190 | |
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191 | SUBROUTINE ice_thd_temp |
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192 | !!----------------------------------------------------------------------- |
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193 | !! *** ROUTINE ice_thd_temp *** |
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194 | !! |
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195 | !! ** Purpose : Computes sea ice temperature (Kelvin) from enthalpy |
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196 | !! |
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197 | !! ** Method : Formula (Bitz and Lipscomb, 1999) |
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198 | !!------------------------------------------------------------------- |
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199 | INTEGER :: ji, jk ! dummy loop indices |
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200 | REAL(wp) :: ztmelts, zbbb, zccc ! local scalar |
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201 | !!------------------------------------------------------------------- |
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202 | ! Recover ice temperature |
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203 | DO jk = 1, nlay_i |
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204 | DO ji = 1, npti |
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205 | ztmelts = -rTmlt * sz_i_1d(ji,jk) |
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206 | ! Conversion q(S,T) -> T (second order equation) |
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207 | zbbb = ( rcp - rcpi ) * ztmelts + e_i_1d(ji,jk) * r1_rhoi - rLfus |
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208 | zccc = SQRT( MAX( zbbb * zbbb - 4._wp * rcpi * rLfus * ztmelts, 0._wp ) ) |
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209 | t_i_1d(ji,jk) = rt0 - ( zbbb + zccc ) * 0.5_wp * r1_rcpi |
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210 | |
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211 | ! mask temperature |
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212 | rswitch = 1._wp - MAX( 0._wp , SIGN( 1._wp , - h_i_1d(ji) ) ) |
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213 | t_i_1d(ji,jk) = rswitch * t_i_1d(ji,jk) + ( 1._wp - rswitch ) * rt0 |
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214 | END DO |
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215 | END DO |
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216 | ! |
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217 | END SUBROUTINE ice_thd_temp |
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218 | |
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219 | |
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220 | SUBROUTINE ice_thd_mono |
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221 | !!----------------------------------------------------------------------- |
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222 | !! *** ROUTINE ice_thd_mono *** |
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223 | !! |
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224 | !! ** Purpose : Lateral melting in case virtual_itd |
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225 | !! ( dA = A/2h dh ) |
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226 | !!----------------------------------------------------------------------- |
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227 | INTEGER :: ji ! dummy loop indices |
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228 | REAL(wp) :: zhi_bef ! ice thickness before thermo |
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229 | REAL(wp) :: zdh_mel, zda_mel ! net melting |
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230 | REAL(wp) :: zvi, zvs ! ice/snow volumes |
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231 | !!----------------------------------------------------------------------- |
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232 | ! |
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233 | DO ji = 1, npti |
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234 | zdh_mel = MIN( 0._wp, dh_i_itm(ji) + dh_i_sum(ji) + dh_i_bom(ji) + dh_snowice(ji) + dh_i_sub(ji) ) |
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235 | IF( zdh_mel < 0._wp .AND. a_i_1d(ji) > 0._wp ) THEN |
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236 | zvi = a_i_1d(ji) * h_i_1d(ji) |
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237 | zvs = a_i_1d(ji) * h_s_1d(ji) |
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238 | ! lateral melting = concentration change |
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239 | zhi_bef = h_i_1d(ji) - zdh_mel |
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240 | rswitch = MAX( 0._wp , SIGN( 1._wp , zhi_bef - epsi20 ) ) |
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241 | zda_mel = rswitch * a_i_1d(ji) * zdh_mel / ( 2._wp * MAX( zhi_bef, epsi20 ) ) |
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242 | a_i_1d(ji) = MAX( epsi20, a_i_1d(ji) + zda_mel ) |
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243 | ! adjust thickness |
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244 | h_i_1d(ji) = zvi / a_i_1d(ji) |
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245 | h_s_1d(ji) = zvs / a_i_1d(ji) |
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246 | ! retrieve total concentration |
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247 | at_i_1d(ji) = a_i_1d(ji) |
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248 | END IF |
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249 | END DO |
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250 | ! |
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251 | END SUBROUTINE ice_thd_mono |
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252 | |
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253 | SUBROUTINE ice_thd_1d2d( kl, kn ) |
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254 | !!----------------------------------------------------------------------- |
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255 | !! *** ROUTINE ice_thd_1d2d *** |
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256 | !! |
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257 | !! ** Purpose : move arrays from 1d to 2d and the reverse |
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258 | !!----------------------------------------------------------------------- |
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259 | INTEGER, INTENT(in) :: kl ! index of the ice category |
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260 | INTEGER, INTENT(in) :: kn ! 1= from 2D to 1D ; 2= from 1D to 2D |
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261 | ! |
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262 | INTEGER :: jk ! dummy loop indices |
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263 | !!----------------------------------------------------------------------- |
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264 | ! |
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265 | SELECT CASE( kn ) |
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266 | ! !---------------------! |
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267 | CASE( 1 ) !== from 2D to 1D ==! |
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268 | ! !---------------------! |
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269 | CALL tab_2d_1d( npti, nptidx(1:npti), at_i_1d(1:npti), at_i ) |
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270 | CALL tab_2d_1d( npti, nptidx(1:npti), a_i_1d (1:npti), a_i (:,:,kl) ) |
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271 | CALL tab_2d_1d( npti, nptidx(1:npti), h_i_1d (1:npti), h_i (:,:,kl) ) |
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272 | CALL tab_2d_1d( npti, nptidx(1:npti), h_s_1d (1:npti), h_s (:,:,kl) ) |
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273 | CALL tab_2d_1d( npti, nptidx(1:npti), t_su_1d(1:npti), t_su(:,:,kl) ) |
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274 | CALL tab_2d_1d( npti, nptidx(1:npti), s_i_1d (1:npti), s_i (:,:,kl) ) |
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275 | DO jk = 1, nlay_s |
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276 | CALL tab_2d_1d( npti, nptidx(1:npti), t_s_1d(1:npti,jk), t_s(:,:,jk,kl) ) |
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277 | CALL tab_2d_1d( npti, nptidx(1:npti), e_s_1d(1:npti,jk), e_s(:,:,jk,kl) ) |
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278 | END DO |
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279 | DO jk = 1, nlay_i |
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280 | CALL tab_2d_1d( npti, nptidx(1:npti), t_i_1d (1:npti,jk), t_i (:,:,jk,kl) ) |
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281 | CALL tab_2d_1d( npti, nptidx(1:npti), e_i_1d (1:npti,jk), e_i (:,:,jk,kl) ) |
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282 | CALL tab_2d_1d( npti, nptidx(1:npti), sz_i_1d(1:npti,jk), sz_i(:,:,jk,kl) ) |
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283 | END DO |
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284 | ! |
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285 | CALL tab_2d_1d( npti, nptidx(1:npti), qprec_ice_1d (1:npti), qprec_ice ) |
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286 | CALL tab_2d_1d( npti, nptidx(1:npti), qsr_ice_1d (1:npti), qsr_ice (:,:,kl) ) |
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287 | CALL tab_2d_1d( npti, nptidx(1:npti), qns_ice_1d (1:npti), qns_ice (:,:,kl) ) |
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288 | CALL tab_2d_1d( npti, nptidx(1:npti), evap_ice_1d (1:npti), evap_ice(:,:,kl) ) |
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289 | CALL tab_2d_1d( npti, nptidx(1:npti), dqns_ice_1d (1:npti), dqns_ice(:,:,kl) ) |
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290 | CALL tab_2d_1d( npti, nptidx(1:npti), t_bo_1d (1:npti), t_bo ) |
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291 | CALL tab_2d_1d( npti, nptidx(1:npti), sprecip_1d (1:npti), sprecip ) |
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292 | CALL tab_2d_1d( npti, nptidx(1:npti), qsb_ice_bot_1d(1:npti), qsb_ice_bot ) |
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293 | CALL tab_2d_1d( npti, nptidx(1:npti), fhld_1d (1:npti), fhld ) |
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294 | |
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295 | CALL tab_2d_1d( npti, nptidx(1:npti), qml_ice_1d (1:npti), qml_ice (:,:,kl) ) |
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296 | CALL tab_2d_1d( npti, nptidx(1:npti), qcn_ice_1d (1:npti), qcn_ice (:,:,kl) ) |
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297 | CALL tab_2d_1d( npti, nptidx(1:npti), qtr_ice_top_1d(1:npti), qtr_ice_top(:,:,kl) ) |
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298 | ! |
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299 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sni_1d(1:npti), wfx_snw_sni ) |
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300 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sum_1d(1:npti), wfx_snw_sum ) |
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301 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sub_1d (1:npti), wfx_sub ) |
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302 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_snw_sub_1d(1:npti), wfx_snw_sub ) |
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303 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_ice_sub_1d(1:npti), wfx_ice_sub ) |
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304 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_err_sub_1d(1:npti), wfx_err_sub ) |
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305 | ! |
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306 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_bog_1d (1:npti), wfx_bog ) |
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307 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_bom_1d (1:npti), wfx_bom ) |
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308 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sum_1d (1:npti), wfx_sum ) |
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309 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_sni_1d (1:npti), wfx_sni ) |
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310 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_res_1d (1:npti), wfx_res ) |
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311 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_spr_1d (1:npti), wfx_spr ) |
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312 | CALL tab_2d_1d( npti, nptidx(1:npti), wfx_lam_1d (1:npti), wfx_lam ) |
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313 | ! |
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314 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bog_1d (1:npti), sfx_bog ) |
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315 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bom_1d (1:npti), sfx_bom ) |
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316 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sum_1d (1:npti), sfx_sum ) |
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317 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sni_1d (1:npti), sfx_sni ) |
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318 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_bri_1d (1:npti), sfx_bri ) |
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319 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_res_1d (1:npti), sfx_res ) |
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320 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_sub_1d (1:npti), sfx_sub ) |
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321 | CALL tab_2d_1d( npti, nptidx(1:npti), sfx_lam_1d (1:npti), sfx_lam ) |
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322 | ! |
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323 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_thd_1d (1:npti), hfx_thd ) |
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324 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_spr_1d (1:npti), hfx_spr ) |
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325 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_sum_1d (1:npti), hfx_sum ) |
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326 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_bom_1d (1:npti), hfx_bom ) |
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327 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_bog_1d (1:npti), hfx_bog ) |
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328 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_dif_1d (1:npti), hfx_dif ) |
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329 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_opw_1d (1:npti), hfx_opw ) |
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330 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_snw_1d (1:npti), hfx_snw ) |
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331 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_sub_1d (1:npti), hfx_sub ) |
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332 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_res_1d (1:npti), hfx_res ) |
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333 | CALL tab_2d_1d( npti, nptidx(1:npti), hfx_err_dif_1d(1:npti), hfx_err_dif ) |
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334 | ! |
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335 | ! ocean surface fields |
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336 | CALL tab_2d_1d( npti, nptidx(1:npti), sst_1d(1:npti), sst_m ) |
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337 | CALL tab_2d_1d( npti, nptidx(1:npti), sss_1d(1:npti), sss_m ) |
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338 | CALL tab_2d_1d( npti, nptidx(1:npti), frq_m_1d(1:npti), frq_m ) |
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339 | ! |
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340 | ! to update ice age |
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341 | CALL tab_2d_1d( npti, nptidx(1:npti), o_i_1d (1:npti), o_i (:,:,kl) ) |
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342 | CALL tab_2d_1d( npti, nptidx(1:npti), oa_i_1d(1:npti), oa_i(:,:,kl) ) |
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343 | ! |
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344 | ! --- Change units of e_i, e_s from J/m2 to J/m3 --- ! |
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345 | DO jk = 1, nlay_i |
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346 | WHERE( h_i_1d(1:npti)>0._wp ) e_i_1d(1:npti,jk) = e_i_1d(1:npti,jk) / (h_i_1d(1:npti) * a_i_1d(1:npti)) * nlay_i |
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347 | END DO |
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348 | DO jk = 1, nlay_s |
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349 | WHERE( h_s_1d(1:npti)>0._wp ) e_s_1d(1:npti,jk) = e_s_1d(1:npti,jk) / (h_s_1d(1:npti) * a_i_1d(1:npti)) * nlay_s |
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350 | END DO |
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351 | ! |
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352 | ! !---------------------! |
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353 | CASE( 2 ) !== from 1D to 2D ==! |
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354 | ! !---------------------! |
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355 | ! --- Change units of e_i, e_s from J/m3 to J/m2 --- ! |
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356 | DO jk = 1, nlay_i |
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357 | e_i_1d(1:npti,jk) = e_i_1d(1:npti,jk) * h_i_1d(1:npti) * a_i_1d(1:npti) * r1_nlay_i |
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358 | END DO |
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359 | DO jk = 1, nlay_s |
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360 | e_s_1d(1:npti,jk) = e_s_1d(1:npti,jk) * h_s_1d(1:npti) * a_i_1d(1:npti) * r1_nlay_s |
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361 | END DO |
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362 | ! |
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363 | ! Change thickness to volume (replaces routine ice_var_eqv2glo) |
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364 | v_i_1d (1:npti) = h_i_1d (1:npti) * a_i_1d (1:npti) |
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365 | v_s_1d (1:npti) = h_s_1d (1:npti) * a_i_1d (1:npti) |
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366 | sv_i_1d(1:npti) = s_i_1d (1:npti) * v_i_1d (1:npti) |
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367 | oa_i_1d(1:npti) = o_i_1d (1:npti) * a_i_1d (1:npti) |
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368 | |
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369 | CALL tab_1d_2d( npti, nptidx(1:npti), at_i_1d(1:npti), at_i ) |
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370 | CALL tab_1d_2d( npti, nptidx(1:npti), a_i_1d (1:npti), a_i (:,:,kl) ) |
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371 | CALL tab_1d_2d( npti, nptidx(1:npti), h_i_1d (1:npti), h_i (:,:,kl) ) |
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372 | CALL tab_1d_2d( npti, nptidx(1:npti), h_s_1d (1:npti), h_s (:,:,kl) ) |
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373 | CALL tab_1d_2d( npti, nptidx(1:npti), t_su_1d(1:npti), t_su(:,:,kl) ) |
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374 | CALL tab_1d_2d( npti, nptidx(1:npti), s_i_1d (1:npti), s_i (:,:,kl) ) |
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375 | DO jk = 1, nlay_s |
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376 | CALL tab_1d_2d( npti, nptidx(1:npti), t_s_1d(1:npti,jk), t_s(:,:,jk,kl) ) |
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377 | CALL tab_1d_2d( npti, nptidx(1:npti), e_s_1d(1:npti,jk), e_s(:,:,jk,kl) ) |
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378 | END DO |
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379 | DO jk = 1, nlay_i |
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380 | CALL tab_1d_2d( npti, nptidx(1:npti), t_i_1d (1:npti,jk), t_i (:,:,jk,kl) ) |
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381 | CALL tab_1d_2d( npti, nptidx(1:npti), e_i_1d (1:npti,jk), e_i (:,:,jk,kl) ) |
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382 | CALL tab_1d_2d( npti, nptidx(1:npti), sz_i_1d(1:npti,jk), sz_i(:,:,jk,kl) ) |
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383 | END DO |
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384 | ! |
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385 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sni_1d(1:npti), wfx_snw_sni ) |
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386 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sum_1d(1:npti), wfx_snw_sum ) |
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387 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sub_1d (1:npti), wfx_sub ) |
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388 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_snw_sub_1d(1:npti), wfx_snw_sub ) |
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389 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_ice_sub_1d(1:npti), wfx_ice_sub ) |
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390 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_err_sub_1d(1:npti), wfx_err_sub ) |
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391 | ! |
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392 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_bog_1d (1:npti), wfx_bog ) |
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393 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_bom_1d (1:npti), wfx_bom ) |
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394 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sum_1d (1:npti), wfx_sum ) |
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395 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_sni_1d (1:npti), wfx_sni ) |
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396 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_res_1d (1:npti), wfx_res ) |
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397 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_spr_1d (1:npti), wfx_spr ) |
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398 | CALL tab_1d_2d( npti, nptidx(1:npti), wfx_lam_1d (1:npti), wfx_lam ) |
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399 | ! |
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400 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bog_1d (1:npti), sfx_bog ) |
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401 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bom_1d (1:npti), sfx_bom ) |
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402 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sum_1d (1:npti), sfx_sum ) |
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403 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sni_1d (1:npti), sfx_sni ) |
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404 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_bri_1d (1:npti), sfx_bri ) |
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405 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_res_1d (1:npti), sfx_res ) |
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406 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_sub_1d (1:npti), sfx_sub ) |
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407 | CALL tab_1d_2d( npti, nptidx(1:npti), sfx_lam_1d (1:npti), sfx_lam ) |
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408 | ! |
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409 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_thd_1d (1:npti), hfx_thd ) |
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410 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_spr_1d (1:npti), hfx_spr ) |
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411 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_sum_1d (1:npti), hfx_sum ) |
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412 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_bom_1d (1:npti), hfx_bom ) |
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413 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_bog_1d (1:npti), hfx_bog ) |
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414 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_dif_1d (1:npti), hfx_dif ) |
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415 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_opw_1d (1:npti), hfx_opw ) |
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416 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_snw_1d (1:npti), hfx_snw ) |
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417 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_sub_1d (1:npti), hfx_sub ) |
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418 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_res_1d (1:npti), hfx_res ) |
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419 | CALL tab_1d_2d( npti, nptidx(1:npti), hfx_err_dif_1d(1:npti), hfx_err_dif ) |
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420 | ! |
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421 | CALL tab_1d_2d( npti, nptidx(1:npti), qns_ice_1d (1:npti), qns_ice (:,:,kl) ) |
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422 | CALL tab_1d_2d( npti, nptidx(1:npti), qtr_ice_bot_1d(1:npti), qtr_ice_bot(:,:,kl) ) |
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423 | ! effective conductivity and 1st layer temperature (ln_cndflx=T) |
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424 | CALL tab_1d_2d( npti, nptidx(1:npti), cnd_ice_1d(1:npti), cnd_ice(:,:,kl) ) |
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425 | CALL tab_1d_2d( npti, nptidx(1:npti), t1_ice_1d (1:npti), t1_ice (:,:,kl) ) |
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426 | ! Melt ponds |
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427 | CALL tab_1d_2d( npti, nptidx(1:npti), dh_i_sum (1:npti) , dh_i_sum_2d(:,:,kl) ) |
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428 | CALL tab_1d_2d( npti, nptidx(1:npti), dh_s_mlt (1:npti) , dh_s_mlt_2d(:,:,kl) ) |
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429 | ! SIMIP diagnostics |
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430 | CALL tab_1d_2d( npti, nptidx(1:npti), t_si_1d (1:npti), t_si (:,:,kl) ) |
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431 | CALL tab_1d_2d( npti, nptidx(1:npti), qcn_ice_bot_1d(1:npti), qcn_ice_bot(:,:,kl) ) |
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432 | CALL tab_1d_2d( npti, nptidx(1:npti), qcn_ice_top_1d(1:npti), qcn_ice_top(:,:,kl) ) |
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433 | CALL tab_1d_2d( npti, nptidx(1:npti), qml_ice_1d (1:npti), qml_ice (:,:,kl) ) |
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434 | ! extensive variables |
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435 | CALL tab_1d_2d( npti, nptidx(1:npti), v_i_1d (1:npti), v_i (:,:,kl) ) |
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436 | CALL tab_1d_2d( npti, nptidx(1:npti), v_s_1d (1:npti), v_s (:,:,kl) ) |
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437 | CALL tab_1d_2d( npti, nptidx(1:npti), sv_i_1d(1:npti), sv_i(:,:,kl) ) |
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438 | CALL tab_1d_2d( npti, nptidx(1:npti), oa_i_1d(1:npti), oa_i(:,:,kl) ) |
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439 | ! check convergence of heat diffusion scheme |
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440 | IF( ln_zdf_chkcvg ) THEN |
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441 | CALL tab_1d_2d( npti, nptidx(1:npti), tice_cvgerr_1d(1:npti), ztice_cvgerr(:,:,kl) ) |
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442 | CALL tab_1d_2d( npti, nptidx(1:npti), tice_cvgstp_1d(1:npti), ztice_cvgstp(:,:,kl) ) |
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443 | ENDIF |
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444 | ! |
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445 | END SELECT |
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446 | ! |
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447 | END SUBROUTINE ice_thd_1d2d |
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448 | |
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449 | |
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450 | SUBROUTINE ice_thd_init |
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451 | !!------------------------------------------------------------------- |
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452 | !! *** ROUTINE ice_thd_init *** |
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453 | !! |
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454 | !! ** Purpose : Physical constants and parameters associated with |
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455 | !! ice thermodynamics |
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456 | !! |
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457 | !! ** Method : Read the namthd namelist and check the parameters |
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458 | !! called at the first timestep (nit000) |
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459 | !! |
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460 | !! ** input : Namelist namthd |
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461 | !!------------------------------------------------------------------- |
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462 | INTEGER :: ios ! Local integer output status for namelist read |
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463 | !! |
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464 | NAMELIST/namthd/ ln_icedH, ln_icedA, ln_icedO, ln_icedS, ln_leadhfx |
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465 | !!------------------------------------------------------------------- |
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466 | ! |
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467 | READ ( numnam_ice_ref, namthd, IOSTAT = ios, ERR = 901) |
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468 | 901 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namthd in reference namelist' ) |
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469 | READ ( numnam_ice_cfg, namthd, IOSTAT = ios, ERR = 902 ) |
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470 | 902 IF( ios > 0 ) CALL ctl_nam ( ios , 'namthd in configuration namelist' ) |
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471 | IF(lwm) WRITE( numoni, namthd ) |
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472 | ! |
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473 | IF(lwp) THEN ! control print |
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474 | WRITE(numout,*) |
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475 | WRITE(numout,*) 'ice_thd_init: Ice Thermodynamics' |
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476 | WRITE(numout,*) '~~~~~~~~~~~~' |
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477 | WRITE(numout,*) ' Namelist namthd:' |
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478 | WRITE(numout,*) ' activate ice thick change from top/bot (T) or not (F) ln_icedH = ', ln_icedH |
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479 | WRITE(numout,*) ' activate lateral melting (T) or not (F) ln_icedA = ', ln_icedA |
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480 | WRITE(numout,*) ' activate ice growth in open-water (T) or not (F) ln_icedO = ', ln_icedO |
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481 | WRITE(numout,*) ' activate gravity drainage and flushing (T) or not (F) ln_icedS = ', ln_icedS |
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482 | WRITE(numout,*) ' heat in the leads is used to melt sea-ice before warming the ocean ln_leadhfx = ', ln_leadhfx |
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483 | ENDIF |
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484 | ! |
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485 | CALL ice_thd_zdf_init ! set ice heat diffusion parameters |
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486 | IF( ln_icedA ) CALL ice_thd_da_init ! set ice lateral melting parameters |
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487 | IF( ln_icedO ) CALL ice_thd_do_init ! set ice growth in open water parameters |
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488 | CALL ice_thd_sal_init ! set ice salinity parameters |
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489 | CALL ice_thd_pnd_init ! set melt ponds parameters |
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490 | ! |
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491 | END SUBROUTINE ice_thd_init |
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492 | |
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493 | #else |
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494 | !!---------------------------------------------------------------------- |
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495 | !! Default option Dummy module NO SI3 sea-ice model |
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496 | !!---------------------------------------------------------------------- |
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497 | #endif |
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498 | |
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499 | !!====================================================================== |
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500 | END MODULE icethd |
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