1 | MODULE icewri |
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2 | !!====================================================================== |
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3 | !! *** MODULE icewri *** |
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4 | !! sea-ice : output ice variables |
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5 | !!====================================================================== |
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6 | !! History : 4.0 ! 2018 (many people) SI3 [aka Sea Ice cube] |
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7 | !!---------------------------------------------------------------------- |
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8 | #if defined key_si3 |
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9 | !!---------------------------------------------------------------------- |
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10 | !! 'key_si3' SI3 sea-ice model |
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11 | !!---------------------------------------------------------------------- |
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12 | !! ice_wri : write of the diagnostics variables in ouput file |
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13 | !! ice_wri_state : write for initial state or/and abandon |
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14 | !!---------------------------------------------------------------------- |
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15 | USE dianam ! build name of file (routine) |
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16 | USE phycst ! physical constant |
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17 | USE dom_oce ! domain: ocean |
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18 | USE sbc_oce ! surf. boundary cond.: ocean |
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19 | USE sbc_ice ! Surface boundary condition: ice fields |
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20 | USE ice ! sea-ice: variables |
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21 | USE icevar ! sea-ice: operations |
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22 | ! |
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23 | USE ioipsl ! |
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24 | USE in_out_manager ! I/O manager |
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25 | USE iom ! I/O manager library |
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26 | USE lib_mpp ! MPP library |
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27 | USE lib_fortran ! fortran utilities (glob_sum + no signed zero) |
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28 | USE lbclnk ! lateral boundary conditions (or mpp links) |
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29 | USE timing ! Timing |
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30 | |
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31 | IMPLICIT NONE |
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32 | PRIVATE |
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33 | |
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34 | PUBLIC ice_wri ! called by ice_stp |
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35 | PUBLIC ice_wri_state ! called by dia_wri_state |
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36 | |
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37 | !!---------------------------------------------------------------------- |
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38 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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39 | !! $Id$ |
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40 | !! Software governed by the CeCILL licence (./LICENSE) |
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41 | !!---------------------------------------------------------------------- |
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42 | CONTAINS |
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43 | |
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44 | SUBROUTINE ice_wri( kt ) |
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45 | !!------------------------------------------------------------------- |
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46 | !! This routine ouputs some (most?) of the sea ice fields |
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47 | !!------------------------------------------------------------------- |
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48 | INTEGER, INTENT(in) :: kt ! time-step |
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49 | ! |
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50 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
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51 | REAL(wp) :: z2da, z2db, zrho1, zrho2 |
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52 | REAL(wp) :: zmiss_val ! missing value retrieved from xios |
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53 | REAL(wp), DIMENSION(jpi,jpj) :: z2d, zfast ! 2D workspace |
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54 | REAL(wp), DIMENSION(jpi,jpj) :: zmsk00, zmsk05, zmsk15, zmsksn ! O%, 5% and 15% concentration mask and snow mask |
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55 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zmsk00l, zmsksnl ! cat masks |
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56 | ! |
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57 | ! Global ice diagnostics (SIMIP) |
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58 | REAL(wp) :: zdiag_area_nh, zdiag_extt_nh, zdiag_volu_nh ! area, extent, volume |
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59 | REAL(wp) :: zdiag_area_sh, zdiag_extt_sh, zdiag_volu_sh |
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60 | !!------------------------------------------------------------------- |
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61 | ! |
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62 | IF( ln_timing ) CALL timing_start('icewri') |
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63 | |
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64 | ! get missing value from xml |
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65 | CALL iom_miss_val( 'icetemp', zmiss_val ) |
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66 | |
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67 | ! brine volume |
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68 | CALL ice_var_bv |
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69 | |
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70 | ! tresholds for outputs |
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71 | DO jj = 1, jpj |
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72 | DO ji = 1, jpi |
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73 | zmsk00(ji,jj) = MAX( 0._wp , SIGN( 1._wp , at_i(ji,jj) - epsi06 ) ) ! 1 if ice , 0 if no ice |
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74 | zmsk05(ji,jj) = MAX( 0._wp , SIGN( 1._wp , at_i(ji,jj) - 0.05_wp ) ) ! 1 if 5% ice , 0 if less |
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75 | zmsk15(ji,jj) = MAX( 0._wp , SIGN( 1._wp , at_i(ji,jj) - 0.15_wp ) ) ! 1 if 15% ice, 0 if less |
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76 | zmsksn(ji,jj) = MAX( 0._wp , SIGN( 1._wp , vt_s(ji,jj) - epsi06 ) ) ! 1 if snow , 0 if no snow |
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77 | END DO |
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78 | END DO |
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79 | DO jl = 1, jpl |
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80 | DO jj = 1, jpj |
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81 | DO ji = 1, jpi |
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82 | zmsk00l(ji,jj,jl) = MAX( 0._wp , SIGN( 1._wp , a_i(ji,jj,jl) - epsi06 ) ) |
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83 | zmsksnl(ji,jj,jl) = MAX( 0._wp , SIGN( 1._wp , v_s(ji,jj,jl) - epsi06 ) ) |
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84 | END DO |
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85 | END DO |
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86 | END DO |
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87 | |
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88 | !----------------- |
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89 | ! Standard outputs |
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90 | !----------------- |
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91 | zrho1 = ( rau0 - rhoi ) * r1_rau0 ; zrho2 = rhos * r1_rau0 |
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92 | ! masks |
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93 | CALL iom_put( 'icemask' , zmsk00 ) ! ice mask 0% |
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94 | CALL iom_put( 'icemask05', zmsk05 ) ! ice mask 5% |
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95 | CALL iom_put( 'icemask15', zmsk15 ) ! ice mask 15% |
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96 | CALL iom_put( 'icepres' , zmsk00 ) ! Ice presence (1 or 0) |
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97 | ! |
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98 | ! general fields |
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99 | IF( iom_use('icemass' ) ) CALL iom_put( 'icemass', vt_i * rhoi * zmsk00 ) ! Ice mass per cell area |
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100 | IF( iom_use('snwmass' ) ) CALL iom_put( 'snwmass', vt_s * rhos * zmsksn ) ! Snow mass per cell area |
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101 | IF( iom_use('iceconc' ) ) CALL iom_put( 'iceconc', at_i * zmsk00 ) ! ice concentration |
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102 | IF( iom_use('icevolu' ) ) CALL iom_put( 'icevolu', vt_i * zmsk00 ) ! ice volume = mean ice thickness over the cell |
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103 | IF( iom_use('icethic' ) ) CALL iom_put( 'icethic', hm_i * zmsk00 ) ! ice thickness |
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104 | IF( iom_use('snwthic' ) ) CALL iom_put( 'snwthic', hm_s * zmsk00 ) ! snw thickness |
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105 | IF( iom_use('icebrv' ) ) CALL iom_put( 'icebrv' , bvm_i* 100. * zmsk00 ) ! brine volume |
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106 | IF( iom_use('iceage' ) ) CALL iom_put( 'iceage' , om_i / rday * zmsk15 + zmiss_val * ( 1._wp - zmsk15 ) ) ! ice age |
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107 | IF( iom_use('icehnew' ) ) CALL iom_put( 'icehnew', ht_i_new ) ! new ice thickness formed in the leads |
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108 | IF( iom_use('snwvolu' ) ) CALL iom_put( 'snwvolu', vt_s * zmsksn ) ! snow volume |
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109 | IF( iom_use('icefrb' ) ) THEN ! Ice freeboard |
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110 | z2d(:,:) = ( zrho1 * hm_i(:,:) - zrho2 * hm_s(:,:) ) |
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111 | WHERE( z2d < 0._wp ) z2d = 0._wp |
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112 | CALL iom_put( 'icefrb' , z2d * zmsk00 ) |
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113 | ENDIF |
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114 | ! melt ponds |
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115 | IF( iom_use('iceapnd' ) ) CALL iom_put( 'iceapnd', at_ip * zmsk00 ) ! melt pond total fraction |
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116 | IF( iom_use('icehpnd' ) ) CALL iom_put( 'icehpnd', hm_ip * zmsk00 ) ! melt pond depth |
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117 | IF( iom_use('icevpnd' ) ) CALL iom_put( 'icevpnd', vt_ip * zmsk00 ) ! melt pond total volume per unit area |
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118 | ! salt |
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119 | IF( iom_use('icesalt' ) ) CALL iom_put( 'icesalt', sm_i * zmsk00 + zmiss_val * ( 1._wp - zmsk00 ) ) ! mean ice salinity |
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120 | IF( iom_use('icesalm' ) ) CALL iom_put( 'icesalm', st_i * rhoi * 1.0e-3 * zmsk00 ) ! Mass of salt in sea ice per cell area |
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121 | ! heat |
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122 | IF( iom_use('icetemp' ) ) CALL iom_put( 'icetemp', ( tm_i - rt0 ) * zmsk00 + zmiss_val * ( 1._wp - zmsk00 ) ) ! ice mean temperature |
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123 | IF( iom_use('snwtemp' ) ) CALL iom_put( 'snwtemp', ( tm_s - rt0 ) * zmsksn + zmiss_val * ( 1._wp - zmsksn ) ) ! snw mean temperature |
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124 | IF( iom_use('icettop' ) ) CALL iom_put( 'icettop', ( tm_su - rt0 ) * zmsk00 + zmiss_val * ( 1._wp - zmsk00 ) ) ! temperature at the ice surface |
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125 | IF( iom_use('icetbot' ) ) CALL iom_put( 'icetbot', ( t_bo - rt0 ) * zmsk00 + zmiss_val * ( 1._wp - zmsk00 ) ) ! temperature at the ice bottom |
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126 | IF( iom_use('icetsni' ) ) CALL iom_put( 'icetsni', ( tm_si - rt0 ) * zmsk00 + zmiss_val * ( 1._wp - zmsk00 ) ) ! temperature at the snow-ice interface |
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127 | IF( iom_use('icehc' ) ) CALL iom_put( 'icehc' , -et_i * zmsk00 ) ! ice heat content |
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128 | IF( iom_use('snwhc' ) ) CALL iom_put( 'snwhc' , -et_s * zmsksn ) ! snow heat content |
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129 | ! momentum |
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130 | IF( iom_use('uice' ) ) CALL iom_put( 'uice' , u_ice ) ! ice velocity u |
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131 | IF( iom_use('vice' ) ) CALL iom_put( 'vice' , v_ice ) ! ice velocity v |
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132 | ! |
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133 | IF( iom_use('icevel') .OR. iom_use('fasticepres') ) THEN ! module of ice velocity |
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134 | DO jj = 2 , jpjm1 |
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135 | DO ji = 2 , jpim1 |
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136 | z2da = u_ice(ji,jj) + u_ice(ji-1,jj) |
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137 | z2db = v_ice(ji,jj) + v_ice(ji,jj-1) |
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138 | z2d(ji,jj) = 0.5_wp * SQRT( z2da * z2da + z2db * z2db ) |
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139 | END DO |
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140 | END DO |
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141 | CALL lbc_lnk( 'icewri', z2d, 'T', 1. ) |
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142 | CALL iom_put( 'icevel', z2d ) |
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143 | |
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144 | WHERE( z2d(:,:) < 5.e-04_wp .AND. zmsk15(:,:) == 1._wp ) ; zfast(:,:) = 1._wp ! record presence of fast ice |
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145 | ELSEWHERE ; zfast(:,:) = 0._wp |
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146 | END WHERE |
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147 | CALL iom_put( 'fasticepres', zfast ) |
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148 | ENDIF |
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149 | |
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150 | ! --- category-dependent fields --- ! |
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151 | IF( iom_use('icemask_cat' ) ) CALL iom_put( 'icemask_cat' , zmsk00l ) ! ice mask 0% |
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152 | IF( iom_use('iceconc_cat' ) ) CALL iom_put( 'iceconc_cat' , a_i * zmsk00l ) ! area for categories |
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153 | IF( iom_use('icethic_cat' ) ) CALL iom_put( 'icethic_cat' , h_i * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! thickness for categories |
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154 | IF( iom_use('snwthic_cat' ) ) CALL iom_put( 'snwthic_cat' , h_s * zmsksnl + zmiss_val * ( 1._wp - zmsksnl ) ) ! snow depth for categories |
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155 | IF( iom_use('icesalt_cat' ) ) CALL iom_put( 'icesalt_cat' , s_i * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! salinity for categories |
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156 | IF( iom_use('iceage_cat' ) ) CALL iom_put( 'iceage_cat' , o_i / rday * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! ice age |
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157 | IF( iom_use('icetemp_cat' ) ) CALL iom_put( 'icetemp_cat' , ( SUM( t_i, dim=3 ) * r1_nlay_i - rt0 ) & |
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158 | & * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! ice temperature |
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159 | IF( iom_use('snwtemp_cat' ) ) CALL iom_put( 'snwtemp_cat' , ( SUM( t_s, dim=3 ) * r1_nlay_s - rt0 ) & |
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160 | & * zmsksnl + zmiss_val * ( 1._wp - zmsksnl ) ) ! snow temperature |
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161 | IF( iom_use('icettop_cat' ) ) CALL iom_put( 'icettop_cat' , ( t_su - rt0 ) * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! surface temperature |
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162 | IF( iom_use('icebrv_cat' ) ) CALL iom_put( 'icebrv_cat' , bv_i * 100. * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! brine volume |
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163 | IF( iom_use('iceapnd_cat' ) ) CALL iom_put( 'iceapnd_cat' , a_ip * zmsk00l ) ! melt pond frac for categories |
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164 | IF( iom_use('icehpnd_cat' ) ) CALL iom_put( 'icehpnd_cat' , h_ip * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! melt pond frac for categories |
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165 | IF( iom_use('iceafpnd_cat') ) CALL iom_put( 'iceafpnd_cat', a_ip_frac * zmsk00l ) ! melt pond frac for categories |
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166 | IF( iom_use('icealb_cat' ) ) CALL iom_put( 'icealb_cat' , alb_ice * zmsk00l + zmiss_val * ( 1._wp - zmsk00l ) ) ! ice albedo for categories |
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167 | |
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168 | !------------------ |
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169 | ! Add-ons for SIMIP |
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170 | !------------------ |
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171 | ! trends |
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172 | IF( iom_use('dmithd') ) CALL iom_put( 'dmithd', - wfx_bog - wfx_bom - wfx_sum - wfx_sni - wfx_opw - wfx_lam - wfx_res ) ! Sea-ice mass change from thermodynamics |
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173 | IF( iom_use('dmidyn') ) CALL iom_put( 'dmidyn', - wfx_dyn + rhoi * diag_trp_vi ) ! Sea-ice mass change from dynamics(kg/m2/s) |
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174 | IF( iom_use('dmiopw') ) CALL iom_put( 'dmiopw', - wfx_opw ) ! Sea-ice mass change through growth in open water |
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175 | IF( iom_use('dmibog') ) CALL iom_put( 'dmibog', - wfx_bog ) ! Sea-ice mass change through basal growth |
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176 | IF( iom_use('dmisni') ) CALL iom_put( 'dmisni', - wfx_sni ) ! Sea-ice mass change through snow-to-ice conversion |
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177 | IF( iom_use('dmisum') ) CALL iom_put( 'dmisum', - wfx_sum ) ! Sea-ice mass change through surface melting |
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178 | IF( iom_use('dmibom') ) CALL iom_put( 'dmibom', - wfx_bom ) ! Sea-ice mass change through bottom melting |
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179 | IF( iom_use('dmtsub') ) CALL iom_put( 'dmtsub', - wfx_sub ) ! Sea-ice mass change through evaporation and sublimation |
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180 | IF( iom_use('dmssub') ) CALL iom_put( 'dmssub', - wfx_snw_sub ) ! Snow mass change through sublimation |
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181 | IF( iom_use('dmisub') ) CALL iom_put( 'dmisub', - wfx_ice_sub ) ! Sea-ice mass change through sublimation |
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182 | IF( iom_use('dmsspr') ) CALL iom_put( 'dmsspr', - wfx_spr ) ! Snow mass change through snow fall |
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183 | IF( iom_use('dmsssi') ) CALL iom_put( 'dmsssi', wfx_sni*rhos*r1_rhoi ) ! Snow mass change through snow-to-ice conversion |
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184 | IF( iom_use('dmsmel') ) CALL iom_put( 'dmsmel', - wfx_snw_sum ) ! Snow mass change through melt |
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185 | IF( iom_use('dmsdyn') ) CALL iom_put( 'dmsdyn', - wfx_snw_dyn + rhos * diag_trp_vs ) ! Snow mass change through dynamics(kg/m2/s) |
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186 | |
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187 | ! Global ice diagnostics |
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188 | IF( iom_use('NH_icearea') .OR. iom_use('NH_icevolu') .OR. iom_use('NH_iceextt') .OR. & |
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189 | & iom_use('SH_icearea') .OR. iom_use('SH_icevolu') .OR. iom_use('SH_iceextt') ) THEN |
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190 | ! |
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191 | WHERE( ff_t(:,:) > 0._wp ) ; z2d(:,:) = 1._wp |
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192 | ELSEWHERE ; z2d(:,:) = 0. |
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193 | END WHERE |
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194 | ! |
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195 | IF( iom_use('NH_icearea') ) zdiag_area_nh = glob_sum( 'icewri', at_i * z2d * e1e2t * 1.e-12 ) |
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196 | IF( iom_use('NH_icevolu') ) zdiag_volu_nh = glob_sum( 'icewri', vt_i * z2d * e1e2t * 1.e-12 ) |
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197 | IF( iom_use('NH_iceextt') ) zdiag_extt_nh = glob_sum( 'icewri', z2d * e1e2t * 1.e-12 * zmsk15 ) |
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198 | ! |
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199 | IF( iom_use('SH_icearea') ) zdiag_area_sh = glob_sum( 'icewri', at_i * ( 1._wp - z2d ) * e1e2t * 1.e-12 ) |
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200 | IF( iom_use('SH_icevolu') ) zdiag_volu_sh = glob_sum( 'icewri', vt_i * ( 1._wp - z2d ) * e1e2t * 1.e-12 ) |
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201 | IF( iom_use('SH_iceextt') ) zdiag_extt_sh = glob_sum( 'icewri', ( 1._wp - z2d ) * e1e2t * 1.e-12 * zmsk15 ) |
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202 | ! |
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203 | CALL iom_put( 'NH_icearea' , zdiag_area_nh ) |
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204 | CALL iom_put( 'NH_icevolu' , zdiag_volu_nh ) |
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205 | CALL iom_put( 'NH_iceextt' , zdiag_extt_nh ) |
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206 | CALL iom_put( 'SH_icearea' , zdiag_area_sh ) |
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207 | CALL iom_put( 'SH_icevolu' , zdiag_volu_sh ) |
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208 | CALL iom_put( 'SH_iceextt' , zdiag_extt_sh ) |
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209 | ! |
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210 | ENDIF |
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211 | ! |
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212 | !!CR ! ! Create an output files (output.lim.abort.nc) if S < 0 or u > 20 m/s |
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213 | !!CR ! IF( kindic < 0 ) CALL ice_wri_state( 'output.abort' ) |
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214 | !!CR ! not yet implemented |
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215 | !!gm idem for the ocean... Ask Seb how to get rid of ioipsl.... |
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216 | ! |
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217 | IF( ln_timing ) CALL timing_stop('icewri') |
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218 | ! |
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219 | END SUBROUTINE ice_wri |
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220 | |
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221 | |
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222 | SUBROUTINE ice_wri_state( kid ) |
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223 | !!--------------------------------------------------------------------- |
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224 | !! *** ROUTINE ice_wri_state *** |
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225 | !! |
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226 | !! ** Purpose : create a NetCDF file named cdfile_name which contains |
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227 | !! the instantaneous ice state and forcing fields for ice model |
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228 | !! Used to find errors in the initial state or save the last |
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229 | !! ocean state in case of abnormal end of a simulation |
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230 | !! |
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231 | !! History : 4.0 ! 2013-06 (C. Rousset) |
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232 | !!---------------------------------------------------------------------- |
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233 | INTEGER, INTENT( in ) :: kid |
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234 | !!---------------------------------------------------------------------- |
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235 | ! |
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236 | !! The file is open in dia_wri_state (ocean routine) |
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237 | |
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238 | CALL iom_rstput( 0, 0, kid, 'sithic', hm_i ) ! Ice thickness |
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239 | CALL iom_rstput( 0, 0, kid, 'siconc', at_i ) ! Ice concentration |
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240 | CALL iom_rstput( 0, 0, kid, 'sitemp', tm_i - rt0 ) ! Ice temperature |
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241 | CALL iom_rstput( 0, 0, kid, 'sivelu', u_ice ) ! i-Ice speed |
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242 | CALL iom_rstput( 0, 0, kid, 'sivelv', v_ice ) ! j-Ice speed |
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243 | CALL iom_rstput( 0, 0, kid, 'sistru', utau_ice ) ! i-Wind stress over ice |
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244 | CALL iom_rstput( 0, 0, kid, 'sistrv', vtau_ice ) ! i-Wind stress over ice |
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245 | CALL iom_rstput( 0, 0, kid, 'sisflx', qsr ) ! Solar flx over ocean |
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246 | CALL iom_rstput( 0, 0, kid, 'sinflx', qns ) ! NonSolar flx over ocean |
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247 | CALL iom_rstput( 0, 0, kid, 'snwpre', sprecip ) ! Snow precipitation |
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248 | CALL iom_rstput( 0, 0, kid, 'sisali', sm_i ) ! Ice salinity |
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249 | CALL iom_rstput( 0, 0, kid, 'sivolu', vt_i ) ! Ice volume |
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250 | CALL iom_rstput( 0, 0, kid, 'sidive', divu_i*1.0e8 ) ! Ice divergence |
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251 | CALL iom_rstput( 0, 0, kid, 'si_amp', at_ip ) ! Melt pond fraction |
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252 | CALL iom_rstput( 0, 0, kid, 'si_vmp', vt_ip ) ! Melt pond volume |
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253 | CALL iom_rstput( 0, 0, kid, 'sithicat', h_i ) ! Ice thickness |
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254 | CALL iom_rstput( 0, 0, kid, 'siconcat', a_i ) ! Ice concentration |
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255 | CALL iom_rstput( 0, 0, kid, 'sisalcat', s_i ) ! Ice salinity |
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256 | CALL iom_rstput( 0, 0, kid, 'snthicat', h_s ) ! Snw thickness |
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257 | |
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258 | END SUBROUTINE ice_wri_state |
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259 | |
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260 | #else |
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261 | !!---------------------------------------------------------------------- |
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262 | !! Default option : Empty module NO SI3 sea-ice model |
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263 | !!---------------------------------------------------------------------- |
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264 | #endif |
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265 | |
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266 | !!====================================================================== |
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267 | END MODULE icewri |
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