1 | MODULE icedyn_adv_pra |
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2 | !!====================================================================== |
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3 | !! *** MODULE icedyn_adv_pra *** |
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4 | !! sea-ice : advection => Prather scheme |
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5 | !!====================================================================== |
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6 | !! History : ! 2008-03 (M. Vancoppenolle) original code |
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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_dyn_adv_pra : advection of sea ice using Prather scheme |
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14 | !! adv_x, adv_y : Prather scheme applied in i- and j-direction, resp. |
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15 | !! adv_pra_init : initialisation of the Prather scheme |
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16 | !! adv_pra_rst : read/write Prather field in ice restart file, or initialized to zero |
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17 | !!---------------------------------------------------------------------- |
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18 | USE phycst ! physical constant |
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19 | USE dom_oce ! ocean domain |
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20 | USE ice ! sea-ice variables |
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21 | USE sbc_oce , ONLY : nn_fsbc ! frequency of sea-ice call |
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22 | USE icevar ! sea-ice: operations |
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23 | ! |
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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 | |
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30 | IMPLICIT NONE |
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31 | PRIVATE |
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32 | |
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33 | PUBLIC ice_dyn_adv_pra ! called by icedyn_adv |
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34 | PUBLIC adv_pra_init ! called by icedyn_adv |
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35 | |
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36 | ! Moments for advection |
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37 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxice, syice, sxxice, syyice, sxyice ! ice thickness |
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38 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsn , sysn , sxxsn , syysn , sxysn ! snow thickness |
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39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxa , sya , sxxa , syya , sxya ! ice concentration |
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40 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxsal, sysal, sxxsal, syysal, sxysal ! ice salinity |
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41 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxage, syage, sxxage, syyage, sxyage ! ice age |
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42 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxc0 , syc0 , sxxc0 , syyc0 , sxyc0 ! snow layers heat content |
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43 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:,:) :: sxe , sye , sxxe , syye , sxye ! ice layers heat content |
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44 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxap , syap , sxxap , syyap , sxyap ! melt pond fraction |
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45 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxvp , syvp , sxxvp , syyvp , sxyvp ! melt pond volume |
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46 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: sxvl , syvl , sxxvl , syyvl , sxyvl ! melt pond lid volume |
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47 | |
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48 | !! * Substitutions |
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49 | # include "do_loop_substitute.h90" |
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50 | !!---------------------------------------------------------------------- |
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51 | !! NEMO/ICE 4.0 , NEMO Consortium (2018) |
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52 | !! $Id$ |
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53 | !! Software governed by the CeCILL license (see ./LICENSE) |
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54 | !!---------------------------------------------------------------------- |
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55 | CONTAINS |
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56 | |
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57 | SUBROUTINE ice_dyn_adv_pra( kt, pu_ice, pv_ice, ph_i, ph_s, ph_ip, & |
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58 | & pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pv_il, pe_s, pe_i ) |
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59 | !!---------------------------------------------------------------------- |
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60 | !! ** routine ice_dyn_adv_pra ** |
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61 | !! |
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62 | !! ** purpose : Computes and adds the advection trend to sea-ice |
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63 | !! |
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64 | !! ** method : Uses Prather second order scheme that advects tracers |
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65 | !! but also their quadratic forms. The method preserves |
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66 | !! tracer structures by conserving second order moments. |
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67 | !! |
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68 | !! Reference: Prather, 1986, JGR, 91, D6. 6671-6681. |
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69 | !!---------------------------------------------------------------------- |
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70 | INTEGER , INTENT(in ) :: kt ! time step |
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71 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pu_ice ! ice i-velocity |
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72 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pv_ice ! ice j-velocity |
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73 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_i ! ice thickness |
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74 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_s ! snw thickness |
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75 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: ph_ip ! ice pond thickness |
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76 | REAL(wp), DIMENSION(:,:) , INTENT(inout) :: pato_i ! open water area |
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77 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i ! ice volume |
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78 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_s ! snw volume |
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79 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: psv_i ! salt content |
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80 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: poa_i ! age content |
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81 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_i ! ice concentration |
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82 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pa_ip ! melt pond fraction |
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83 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_ip ! melt pond volume |
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84 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_il ! melt pond lid thickness |
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85 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s ! snw heat content |
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86 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i ! ice heat content |
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87 | ! |
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88 | INTEGER :: ji, jj, jk, jl, jt ! dummy loop indices |
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89 | INTEGER :: icycle ! number of sub-timestep for the advection |
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90 | REAL(wp) :: zdt, z1_dt ! - - |
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91 | REAL(wp), DIMENSION(1) :: zcflprv, zcflnow ! for global communication |
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92 | REAL(wp), DIMENSION(jpi,jpj) :: zati1, zati2 |
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93 | REAL(wp), DIMENSION(jpi,jpj) :: zudy, zvdx |
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94 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zhi_max, zhs_max, zhip_max, zs_i, zsi_max |
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95 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: ze_i, zei_max |
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96 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: ze_s, zes_max |
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97 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: zarea |
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98 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ice, z0snw, z0ai, z0smi, z0oi |
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99 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z0ap , z0vp, z0vl |
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100 | REAL(wp), DIMENSION(jpi,jpj,nlay_s,jpl) :: z0es |
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101 | REAL(wp), DIMENSION(jpi,jpj,nlay_i,jpl) :: z0ei |
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102 | !! diagnostics |
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103 | REAL(wp), DIMENSION(jpi,jpj) :: zdiag_adv_mass, zdiag_adv_salt, zdiag_adv_heat |
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104 | !!---------------------------------------------------------------------- |
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105 | ! |
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106 | IF( kt == nit000 .AND. lwp ) WRITE(numout,*) '-- ice_dyn_adv_pra: Prather advection scheme' |
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107 | ! |
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108 | ! --- Record max of the surrounding 9-pts (for call Hbig) --- ! |
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109 | ! thickness and salinity |
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110 | WHERE( pv_i(:,:,:) >= epsi10 ) ; zs_i(:,:,:) = psv_i(:,:,:) / pv_i(:,:,:) |
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111 | ELSEWHERE ; zs_i(:,:,:) = 0._wp |
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112 | END WHERE |
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113 | CALL icemax3D( ph_i , zhi_max ) |
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114 | CALL icemax3D( ph_s , zhs_max ) |
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115 | CALL icemax3D( ph_ip, zhip_max) |
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116 | CALL icemax3D( zs_i , zsi_max ) |
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117 | CALL lbc_lnk_multi( 'icedyn_adv_pra', zhi_max, 'T', 1._wp, zhs_max, 'T', 1._wp, zhip_max, 'T', 1._wp, zsi_max, 'T', 1._wp ) |
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118 | ! |
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119 | ! enthalpies |
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120 | DO jk = 1, nlay_i |
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121 | WHERE( pv_i(:,:,:) >= epsi10 ) ; ze_i(:,:,jk,:) = pe_i(:,:,jk,:) / pv_i(:,:,:) |
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122 | ELSEWHERE ; ze_i(:,:,jk,:) = 0._wp |
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123 | END WHERE |
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124 | END DO |
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125 | DO jk = 1, nlay_s |
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126 | WHERE( pv_s(:,:,:) >= epsi10 ) ; ze_s(:,:,jk,:) = pe_s(:,:,jk,:) / pv_s(:,:,:) |
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127 | ELSEWHERE ; ze_s(:,:,jk,:) = 0._wp |
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128 | END WHERE |
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129 | END DO |
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130 | CALL icemax4D( ze_i , zei_max ) |
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131 | CALL icemax4D( ze_s , zes_max ) |
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132 | CALL lbc_lnk( 'icedyn_adv_pra', zei_max, 'T', 1._wp ) |
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133 | CALL lbc_lnk( 'icedyn_adv_pra', zes_max, 'T', 1._wp ) |
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134 | ! |
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135 | ! |
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136 | ! --- If ice drift is too fast, use subtime steps for advection (CFL test for stability) --- ! |
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137 | ! Note: the advection split is applied at the next time-step in order to avoid blocking global comm. |
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138 | ! this should not affect too much the stability |
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139 | zcflnow(1) = MAXVAL( ABS( pu_ice(:,:) ) * rDt_ice * r1_e1u(:,:) ) |
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140 | zcflnow(1) = MAX( zcflnow(1), MAXVAL( ABS( pv_ice(:,:) ) * rDt_ice * r1_e2v(:,:) ) ) |
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141 | |
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142 | ! non-blocking global communication send zcflnow and receive zcflprv |
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143 | CALL mpp_delay_max( 'icedyn_adv_pra', 'cflice', zcflnow(:), zcflprv(:), kt == nitend - nn_fsbc + 1 ) |
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144 | |
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145 | IF( zcflprv(1) > .5 ) THEN ; icycle = 2 |
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146 | ELSE ; icycle = 1 |
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147 | ENDIF |
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148 | zdt = rDt_ice / REAL(icycle) |
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149 | z1_dt = 1._wp / zdt |
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150 | |
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151 | ! --- transport --- ! |
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152 | zudy(:,:) = pu_ice(:,:) * e2u(:,:) |
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153 | zvdx(:,:) = pv_ice(:,:) * e1v(:,:) |
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154 | |
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155 | DO jt = 1, icycle |
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156 | |
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157 | ! diagnostics |
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158 | zdiag_adv_mass(:,:) = SUM( pv_i(:,:,:) , dim=3 ) * rhoi + SUM( pv_s(:,:,:) , dim=3 ) * rhos |
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159 | zdiag_adv_salt(:,:) = SUM( psv_i(:,:,:) , dim=3 ) * rhoi |
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160 | zdiag_adv_heat(:,:) = - SUM(SUM( pe_i(:,:,1:nlay_i,:) , dim=4 ), dim=3 ) & |
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161 | & - SUM(SUM( pe_s(:,:,1:nlay_s,:) , dim=4 ), dim=3 ) |
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162 | |
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163 | ! record at_i before advection (for open water) |
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164 | zati1(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
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165 | |
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166 | ! --- transported fields --- ! |
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167 | DO jl = 1, jpl |
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168 | zarea(:,:,jl) = e1e2t(:,:) |
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169 | z0snw(:,:,jl) = pv_s (:,:,jl) * e1e2t(:,:) ! Snow volume |
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170 | z0ice(:,:,jl) = pv_i (:,:,jl) * e1e2t(:,:) ! Ice volume |
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171 | z0ai (:,:,jl) = pa_i (:,:,jl) * e1e2t(:,:) ! Ice area |
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172 | z0smi(:,:,jl) = psv_i(:,:,jl) * e1e2t(:,:) ! Salt content |
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173 | z0oi (:,:,jl) = poa_i(:,:,jl) * e1e2t(:,:) ! Age content |
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174 | DO jk = 1, nlay_s |
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175 | z0es(:,:,jk,jl) = pe_s(:,:,jk,jl) * e1e2t(:,:) ! Snow heat content |
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176 | END DO |
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177 | DO jk = 1, nlay_i |
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178 | z0ei(:,:,jk,jl) = pe_i(:,:,jk,jl) * e1e2t(:,:) ! Ice heat content |
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179 | END DO |
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180 | IF ( ln_pnd_LEV ) THEN |
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181 | z0ap(:,:,jl) = pa_ip(:,:,jl) * e1e2t(:,:) ! Melt pond fraction |
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182 | z0vp(:,:,jl) = pv_ip(:,:,jl) * e1e2t(:,:) ! Melt pond volume |
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183 | IF ( ln_pnd_lids ) THEN |
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184 | z0vl(:,:,jl) = pv_il(:,:,jl) * e1e2t(:,:) ! Melt pond lid volume |
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185 | ENDIF |
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186 | ENDIF |
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187 | END DO |
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188 | ! |
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189 | ! !--------------------------------------------! |
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190 | IF( MOD( (kt - 1) / nn_fsbc , 2 ) == MOD( (jt - 1) , 2 ) ) THEN !== odd ice time step: adv_x then adv_y ==! |
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191 | ! !--------------------------------------------! |
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192 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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193 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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194 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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195 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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196 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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197 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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198 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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199 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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200 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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201 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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202 | ! |
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203 | DO jk = 1, nlay_s !--- snow heat content |
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204 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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205 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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206 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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207 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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208 | END DO |
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209 | DO jk = 1, nlay_i !--- ice heat content |
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210 | CALL adv_x( zdt, zudy, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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211 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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212 | CALL adv_y( zdt, zvdx, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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213 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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214 | END DO |
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215 | ! |
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216 | IF ( ln_pnd_LEV ) THEN |
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217 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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218 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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219 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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220 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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221 | IF ( ln_pnd_lids ) THEN |
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222 | CALL adv_x( zdt , zudy , 1._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) !--- melt pond lid volume |
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223 | CALL adv_y( zdt , zvdx , 0._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) |
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224 | ENDIF |
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225 | ENDIF |
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226 | ! !--------------------------------------------! |
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227 | ELSE !== even ice time step: adv_y then adv_x ==! |
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228 | ! !--------------------------------------------! |
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229 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) !--- ice volume |
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230 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ice , sxice , sxxice , syice , syyice , sxyice ) |
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231 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) !--- snow volume |
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232 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0snw , sxsn , sxxsn , sysn , syysn , sxysn ) |
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233 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) !--- ice salinity |
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234 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0smi , sxsal , sxxsal , sysal , syysal , sxysal ) |
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235 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) !--- ice concentration |
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236 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ai , sxa , sxxa , sya , syya , sxya ) |
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237 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) !--- ice age |
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238 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0oi , sxage , sxxage , syage , syyage , sxyage ) |
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239 | DO jk = 1, nlay_s !--- snow heat content |
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240 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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241 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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242 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0es (:,:,jk,:), sxc0(:,:,jk,:), & |
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243 | & sxxc0(:,:,jk,:), syc0(:,:,jk,:), syyc0(:,:,jk,:), sxyc0(:,:,jk,:) ) |
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244 | END DO |
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245 | DO jk = 1, nlay_i !--- ice heat content |
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246 | CALL adv_y( zdt, zvdx, 1._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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247 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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248 | CALL adv_x( zdt, zudy, 0._wp, zarea, z0ei(:,:,jk,:), sxe(:,:,jk,:), & |
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249 | & sxxe(:,:,jk,:), sye(:,:,jk,:), syye(:,:,jk,:), sxye(:,:,jk,:) ) |
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250 | END DO |
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251 | IF ( ln_pnd_LEV ) THEN |
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252 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) !--- melt pond fraction |
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253 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0ap , sxap , sxxap , syap , syyap , sxyap ) |
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254 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) !--- melt pond volume |
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255 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vp , sxvp , sxxvp , syvp , syyvp , sxyvp ) |
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256 | IF ( ln_pnd_lids ) THEN |
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257 | CALL adv_y( zdt , zvdx , 1._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) !--- melt pond lid volume |
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258 | CALL adv_x( zdt , zudy , 0._wp , zarea , z0vl , sxvl , sxxvl , syvl , syyvl , sxyvl ) |
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259 | ENDIF |
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260 | ENDIF |
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261 | ! |
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262 | ENDIF |
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263 | |
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264 | ! --- Lateral boundary conditions --- ! |
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265 | ! caution: for gradients (sx and sy) the sign changes |
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266 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0ice , 'T', 1._wp, sxice , 'T', -1._wp, syice , 'T', -1._wp & ! ice volume |
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267 | & , sxxice, 'T', 1._wp, syyice, 'T', 1._wp, sxyice, 'T', 1._wp & |
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268 | & , z0snw , 'T', 1._wp, sxsn , 'T', -1._wp, sysn , 'T', -1._wp & ! snw volume |
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269 | & , sxxsn , 'T', 1._wp, syysn , 'T', 1._wp, sxysn , 'T', 1._wp ) |
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270 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0smi , 'T', 1._wp, sxsal , 'T', -1._wp, sysal , 'T', -1._wp & ! ice salinity |
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271 | & , sxxsal, 'T', 1._wp, syysal, 'T', 1._wp, sxysal, 'T', 1._wp & |
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272 | & , z0ai , 'T', 1._wp, sxa , 'T', -1._wp, sya , 'T', -1._wp & ! ice concentration |
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273 | & , sxxa , 'T', 1._wp, syya , 'T', 1._wp, sxya , 'T', 1._wp ) |
---|
274 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0oi , 'T', 1._wp, sxage , 'T', -1._wp, syage , 'T', -1._wp & ! ice age |
---|
275 | & , sxxage, 'T', 1._wp, syyage, 'T', 1._wp, sxyage, 'T', 1._wp ) |
---|
276 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0es , 'T', 1._wp, sxc0 , 'T', -1._wp, syc0 , 'T', -1._wp & ! snw enthalpy |
---|
277 | & , sxxc0 , 'T', 1._wp, syyc0 , 'T', 1._wp, sxyc0 , 'T', 1._wp ) |
---|
278 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0ei , 'T', 1._wp, sxe , 'T', -1._wp, sye , 'T', -1._wp & ! ice enthalpy |
---|
279 | & , sxxe , 'T', 1._wp, syye , 'T', 1._wp, sxye , 'T', 1._wp ) |
---|
280 | IF ( ln_pnd_LEV ) THEN |
---|
281 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0ap , 'T', 1._wp, sxap , 'T', -1._wp, syap , 'T', -1._wp & ! melt pond fraction |
---|
282 | & , sxxap, 'T', 1._wp, syyap, 'T', 1._wp, sxyap, 'T', 1._wp & |
---|
283 | & , z0vp , 'T', 1._wp, sxvp , 'T', -1._wp, syvp , 'T', -1._wp & ! melt pond volume |
---|
284 | & , sxxvp, 'T', 1._wp, syyvp, 'T', 1._wp, sxyvp, 'T', 1._wp ) |
---|
285 | IF ( ln_pnd_lids ) THEN |
---|
286 | CALL lbc_lnk_multi( 'icedyn_adv_pra', z0vl ,'T', 1._wp, sxvl ,'T', -1._wp, syvl ,'T', -1._wp & ! melt pond lid volume |
---|
287 | & , sxxvl,'T', 1._wp, syyvl,'T', 1._wp, sxyvl,'T', 1._wp ) |
---|
288 | ENDIF |
---|
289 | ENDIF |
---|
290 | |
---|
291 | ! --- Recover the properties from their contents --- ! |
---|
292 | DO jl = 1, jpl |
---|
293 | pv_i (:,:,jl) = z0ice(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
294 | pv_s (:,:,jl) = z0snw(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
295 | psv_i(:,:,jl) = z0smi(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
296 | poa_i(:,:,jl) = z0oi (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
297 | pa_i (:,:,jl) = z0ai (:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
298 | DO jk = 1, nlay_s |
---|
299 | pe_s(:,:,jk,jl) = z0es(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
300 | END DO |
---|
301 | DO jk = 1, nlay_i |
---|
302 | pe_i(:,:,jk,jl) = z0ei(:,:,jk,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
303 | END DO |
---|
304 | IF ( ln_pnd_LEV ) THEN |
---|
305 | pa_ip(:,:,jl) = z0ap(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
306 | pv_ip(:,:,jl) = z0vp(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
307 | IF ( ln_pnd_lids ) THEN |
---|
308 | pv_il(:,:,jl) = z0vl(:,:,jl) * r1_e1e2t(:,:) * tmask(:,:,1) |
---|
309 | ENDIF |
---|
310 | ENDIF |
---|
311 | END DO |
---|
312 | ! |
---|
313 | ! derive open water from ice concentration |
---|
314 | zati2(:,:) = SUM( pa_i(:,:,:), dim=3 ) |
---|
315 | DO_2D( 0, 0, 0, 0 ) |
---|
316 | pato_i(ji,jj) = pato_i(ji,jj) - ( zati2(ji,jj) - zati1(ji,jj) ) & !--- open water |
---|
317 | & - ( zudy(ji,jj) - zudy(ji-1,jj) + zvdx(ji,jj) - zvdx(ji,jj-1) ) * r1_e1e2t(ji,jj) * zdt |
---|
318 | END_2D |
---|
319 | CALL lbc_lnk( 'icedyn_adv_pra', pato_i, 'T', 1.0_wp ) |
---|
320 | ! |
---|
321 | ! --- diagnostics --- ! |
---|
322 | diag_adv_mass(:,:) = diag_adv_mass(:,:) + ( SUM( pv_i(:,:,:) , dim=3 ) * rhoi + SUM( pv_s(:,:,:) , dim=3 ) * rhos & |
---|
323 | & - zdiag_adv_mass(:,:) ) * z1_dt |
---|
324 | diag_adv_salt(:,:) = diag_adv_salt(:,:) + ( SUM( psv_i(:,:,:) , dim=3 ) * rhoi & |
---|
325 | & - zdiag_adv_salt(:,:) ) * z1_dt |
---|
326 | diag_adv_heat(:,:) = diag_adv_heat(:,:) + ( - SUM(SUM( pe_i(:,:,1:nlay_i,:) , dim=4 ), dim=3 ) & |
---|
327 | & - SUM(SUM( pe_s(:,:,1:nlay_s,:) , dim=4 ), dim=3 ) & |
---|
328 | & - zdiag_adv_heat(:,:) ) * z1_dt |
---|
329 | ! |
---|
330 | ! --- Ensure non-negative fields --- ! |
---|
331 | ! Remove negative values (conservation is ensured) |
---|
332 | ! (because advected fields are not perfectly bounded and tiny negative values can occur, e.g. -1.e-20) |
---|
333 | CALL ice_var_zapneg( zdt, pato_i, pv_i, pv_s, psv_i, poa_i, pa_i, pa_ip, pv_ip, pv_il, pe_s, pe_i ) |
---|
334 | ! |
---|
335 | ! --- Make sure ice thickness is not too big --- ! |
---|
336 | ! (because ice thickness can be too large where ice concentration is very small) |
---|
337 | CALL Hbig( zdt, zhi_max, zhs_max, zhip_max, zsi_max, zes_max, zei_max, & |
---|
338 | & pv_i, pv_s, pa_i, pa_ip, pv_ip, psv_i, pe_s, pe_i ) |
---|
339 | ! |
---|
340 | ! --- Ensure snow load is not too big --- ! |
---|
341 | CALL Hsnow( zdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
342 | ! |
---|
343 | END DO |
---|
344 | ! |
---|
345 | IF( lrst_ice ) CALL adv_pra_rst( 'WRITE', kt ) !* write Prather fields in the restart file |
---|
346 | ! |
---|
347 | END SUBROUTINE ice_dyn_adv_pra |
---|
348 | |
---|
349 | |
---|
350 | SUBROUTINE adv_x( pdt, put , pcrh, psm , ps0 , & |
---|
351 | & psx, psxx, psy , psyy, psxy ) |
---|
352 | !!---------------------------------------------------------------------- |
---|
353 | !! ** routine adv_x ** |
---|
354 | !! |
---|
355 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
356 | !! variable on x axis |
---|
357 | !!---------------------------------------------------------------------- |
---|
358 | REAL(wp) , INTENT(in ) :: pdt ! the time step |
---|
359 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
360 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: put ! i-direction ice velocity at U-point [m/s] |
---|
361 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
362 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
363 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
364 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
365 | !! |
---|
366 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
367 | INTEGER :: jj0 ! dummy loop indices |
---|
368 | REAL(wp) :: zs1max, zslpmax, ztemp ! local scalars |
---|
369 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
370 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
371 | REAL(wp) :: zpsm, zps0 |
---|
372 | REAL(wp) :: zpsx, zpsy, zpsxx, zpsyy, zpsxy |
---|
373 | REAL(wp), DIMENSION(jpi,jpj) :: zf0 , zfx , zfy , zbet ! 2D workspace |
---|
374 | REAL(wp), DIMENSION(jpi,jpj) :: zfm , zfxx , zfyy , zfxy ! - - |
---|
375 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
376 | !----------------------------------------------------------------------- |
---|
377 | ! in order to avoid lbc_lnk (communications): |
---|
378 | ! jj loop must be 1:jpj if adv_x is called first |
---|
379 | ! and 2:jpj-1 if adv_x is called second |
---|
380 | jj0 = NINT(pcrh) |
---|
381 | ! |
---|
382 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
383 | ! |
---|
384 | DO jl = 1, jcat ! loop on categories |
---|
385 | ! |
---|
386 | ! Limitation of moments. |
---|
387 | DO jj = Njs0 - jj0, Nje0 + jj0 |
---|
388 | |
---|
389 | DO ji = Nis0 - 1, Nie0 + 1 |
---|
390 | |
---|
391 | zpsm = psm (ji,jj,jl) ! optimization |
---|
392 | zps0 = ps0 (ji,jj,jl) |
---|
393 | zpsx = psx (ji,jj,jl) |
---|
394 | zpsxx = psxx(ji,jj,jl) |
---|
395 | zpsy = psy (ji,jj,jl) |
---|
396 | zpsyy = psyy(ji,jj,jl) |
---|
397 | zpsxy = psxy(ji,jj,jl) |
---|
398 | |
---|
399 | ! Initialize volumes of boxes (=area if adv_x first called, =psm otherwise) |
---|
400 | zpsm = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * zpsm , epsi20 ) |
---|
401 | ! |
---|
402 | zslpmax = MAX( 0._wp, zps0 ) |
---|
403 | zs1max = 1.5 * zslpmax |
---|
404 | zs1new = MIN( zs1max, MAX( -zs1max, zpsx ) ) |
---|
405 | zs2new = MIN( 2.0 * zslpmax - 0.3334 * ABS( zs1new ), MAX( ABS( zs1new ) - zslpmax, zpsxx ) ) |
---|
406 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
407 | |
---|
408 | zps0 = zslpmax |
---|
409 | zpsx = zs1new * rswitch |
---|
410 | zpsxx = zs2new * rswitch |
---|
411 | zpsy = zpsy * rswitch |
---|
412 | zpsyy = zpsyy * rswitch |
---|
413 | zpsxy = MIN( zslpmax, MAX( -zslpmax, zpsxy ) ) * rswitch |
---|
414 | |
---|
415 | ! Calculate fluxes and moments between boxes i<-->i+1 |
---|
416 | ! ! Flux from i to i+1 WHEN u GT 0 |
---|
417 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, put(ji,jj) ) ) |
---|
418 | zalf = MAX( 0._wp, put(ji,jj) ) * pdt / zpsm |
---|
419 | zalfq = zalf * zalf |
---|
420 | zalf1 = 1.0 - zalf |
---|
421 | zalf1q = zalf1 * zalf1 |
---|
422 | ! |
---|
423 | zfm (ji,jj) = zalf * zpsm |
---|
424 | zf0 (ji,jj) = zalf * ( zps0 + zalf1 * ( zpsx + (zalf1 - zalf) * zpsxx ) ) |
---|
425 | zfx (ji,jj) = zalfq * ( zpsx + 3.0 * zalf1 * zpsxx ) |
---|
426 | zfxx(ji,jj) = zalf * zpsxx * zalfq |
---|
427 | zfy (ji,jj) = zalf * ( zpsy + zalf1 * zpsxy ) |
---|
428 | zfxy(ji,jj) = zalfq * zpsxy |
---|
429 | zfyy(ji,jj) = zalf * zpsyy |
---|
430 | |
---|
431 | ! ! Readjust moments remaining in the box. |
---|
432 | zpsm = zpsm - zfm(ji,jj) |
---|
433 | zps0 = zps0 - zf0(ji,jj) |
---|
434 | zpsx = zalf1q * ( zpsx - 3.0 * zalf * zpsxx ) |
---|
435 | zpsxx = zalf1 * zalf1q * zpsxx |
---|
436 | zpsy = zpsy - zfy (ji,jj) |
---|
437 | zpsyy = zpsyy - zfyy(ji,jj) |
---|
438 | zpsxy = zalf1q * zpsxy |
---|
439 | ! |
---|
440 | psm (ji,jj,jl) = zpsm ! optimization |
---|
441 | ps0 (ji,jj,jl) = zps0 |
---|
442 | psx (ji,jj,jl) = zpsx |
---|
443 | psxx(ji,jj,jl) = zpsxx |
---|
444 | psy (ji,jj,jl) = zpsy |
---|
445 | psyy(ji,jj,jl) = zpsyy |
---|
446 | psxy(ji,jj,jl) = zpsxy |
---|
447 | ! |
---|
448 | END DO |
---|
449 | |
---|
450 | DO ji = Nis0 - 1, Nie0 |
---|
451 | ! ! Flux from i+1 to i when u LT 0. |
---|
452 | zalf = MAX( 0._wp, -put(ji,jj) ) * pdt / psm(ji+1,jj,jl) |
---|
453 | zalg (ji,jj) = zalf |
---|
454 | zalfq = zalf * zalf |
---|
455 | zalf1 = 1.0 - zalf |
---|
456 | zalg1 (ji,jj) = zalf1 |
---|
457 | zalf1q = zalf1 * zalf1 |
---|
458 | zalg1q(ji,jj) = zalf1q |
---|
459 | ! |
---|
460 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji+1,jj,jl) |
---|
461 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji+1,jj,jl) & |
---|
462 | & - zalf1 * ( psx(ji+1,jj,jl) - (zalf1 - zalf ) * psxx(ji+1,jj,jl) ) ) |
---|
463 | zfx (ji,jj) = zfx (ji,jj) + zalfq * ( psx (ji+1,jj,jl) - 3.0 * zalf1 * psxx(ji+1,jj,jl) ) |
---|
464 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji+1,jj,jl) * zalfq |
---|
465 | zfy (ji,jj) = zfy (ji,jj) + zalf * ( psy (ji+1,jj,jl) - zalf1 * psxy(ji+1,jj,jl) ) |
---|
466 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji+1,jj,jl) |
---|
467 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji+1,jj,jl) |
---|
468 | END DO |
---|
469 | |
---|
470 | DO ji = Nis0, Nie0 |
---|
471 | ! |
---|
472 | zpsm = psm (ji,jj,jl) ! optimization |
---|
473 | zps0 = ps0 (ji,jj,jl) |
---|
474 | zpsx = psx (ji,jj,jl) |
---|
475 | zpsxx = psxx(ji,jj,jl) |
---|
476 | zpsy = psy (ji,jj,jl) |
---|
477 | zpsyy = psyy(ji,jj,jl) |
---|
478 | zpsxy = psxy(ji,jj,jl) |
---|
479 | ! ! Readjust moments remaining in the box. |
---|
480 | zbt = zbet(ji-1,jj) |
---|
481 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
482 | ! |
---|
483 | zpsm = zbt * zpsm + zbt1 * ( zpsm - zfm(ji-1,jj) ) |
---|
484 | zps0 = zbt * zps0 + zbt1 * ( zps0 - zf0(ji-1,jj) ) |
---|
485 | zpsx = zalg1q(ji-1,jj) * ( zpsx + 3.0 * zalg(ji-1,jj) * zpsxx ) |
---|
486 | zpsxx = zalg1 (ji-1,jj) * zalg1q(ji-1,jj) * zpsxx |
---|
487 | zpsy = zbt * zpsy + zbt1 * ( zpsy - zfy (ji-1,jj) ) |
---|
488 | zpsyy = zbt * zpsyy + zbt1 * ( zpsyy - zfyy(ji-1,jj) ) |
---|
489 | zpsxy = zalg1q(ji-1,jj) * zpsxy |
---|
490 | |
---|
491 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
492 | ! ! Flux from i to i+1 IF u GT 0. |
---|
493 | zbt = zbet(ji-1,jj) |
---|
494 | zbt1 = 1.0 - zbet(ji-1,jj) |
---|
495 | zpsm = zbt * ( zpsm + zfm(ji-1,jj) ) + zbt1 * zpsm |
---|
496 | zalf = zbt * zfm(ji-1,jj) / zpsm |
---|
497 | zalf1 = 1.0 - zalf |
---|
498 | ztemp = zalf * zps0 - zalf1 * zf0(ji-1,jj) |
---|
499 | ! |
---|
500 | zps0 = zbt * ( zps0 + zf0(ji-1,jj) ) + zbt1 * zps0 |
---|
501 | zpsx = zbt * ( zalf * zfx(ji-1,jj) + zalf1 * zpsx + 3.0 * ztemp ) + zbt1 * zpsx |
---|
502 | zpsxx = zbt * ( zalf * zalf * zfxx(ji-1,jj) + zalf1 * zalf1 * zpsxx & |
---|
503 | & + 5.0 * ( zalf * zalf1 * ( zpsx - zfx(ji-1,jj) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
504 | & + zbt1 * zpsxx |
---|
505 | zpsxy = zbt * ( zalf * zfxy(ji-1,jj) + zalf1 * zpsxy & |
---|
506 | & + 3.0 * (- zalf1*zfy(ji-1,jj) + zalf * zpsy ) ) & |
---|
507 | & + zbt1 * zpsxy |
---|
508 | zpsy = zbt * ( zpsy + zfy (ji-1,jj) ) + zbt1 * zpsy |
---|
509 | zpsyy = zbt * ( zpsyy + zfyy(ji-1,jj) ) + zbt1 * zpsyy |
---|
510 | |
---|
511 | ! ! Flux from i+1 to i IF u LT 0. |
---|
512 | zbt = zbet(ji,jj) |
---|
513 | zbt1 = 1.0 - zbet(ji,jj) |
---|
514 | zpsm = zbt * zpsm + zbt1 * ( zpsm + zfm(ji,jj) ) |
---|
515 | zalf = zbt1 * zfm(ji,jj) / zpsm |
---|
516 | zalf1 = 1.0 - zalf |
---|
517 | ztemp = - zalf * zps0 + zalf1 * zf0(ji,jj) |
---|
518 | ! |
---|
519 | zps0 = zbt * zps0 + zbt1 * ( zps0 + zf0(ji,jj) ) |
---|
520 | zpsx = zbt * zpsx + zbt1 * ( zalf * zfx(ji,jj) + zalf1 * zpsx + 3.0 * ztemp ) |
---|
521 | zpsxx = zbt * zpsxx + zbt1 * ( zalf * zalf * zfxx(ji,jj) + zalf1 * zalf1 * zpsxx & |
---|
522 | & + 5.0 * ( zalf * zalf1 * ( - zpsx + zfx(ji,jj) ) & |
---|
523 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
524 | zpsxy = zbt * zpsxy + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * zpsxy & |
---|
525 | & + 3.0 * ( zalf1 * zfy(ji,jj) - zalf * zpsy ) ) |
---|
526 | zpsy = zbt * zpsy + zbt1 * ( zpsy + zfy (ji,jj) ) |
---|
527 | zpsyy = zbt * zpsyy + zbt1 * ( zpsyy + zfyy(ji,jj) ) |
---|
528 | ! |
---|
529 | psm (ji,jj,jl) = zpsm ! optimization |
---|
530 | ps0 (ji,jj,jl) = zps0 |
---|
531 | psx (ji,jj,jl) = zpsx |
---|
532 | psxx(ji,jj,jl) = zpsxx |
---|
533 | psy (ji,jj,jl) = zpsy |
---|
534 | psyy(ji,jj,jl) = zpsyy |
---|
535 | psxy(ji,jj,jl) = zpsxy |
---|
536 | END DO |
---|
537 | ! |
---|
538 | END DO |
---|
539 | ! |
---|
540 | END DO |
---|
541 | ! |
---|
542 | END SUBROUTINE adv_x |
---|
543 | |
---|
544 | |
---|
545 | SUBROUTINE adv_y( pdt, pvt , pcrh, psm , ps0 , & |
---|
546 | & psx, psxx, psy , psyy, psxy ) |
---|
547 | !!--------------------------------------------------------------------- |
---|
548 | !! ** routine adv_y ** |
---|
549 | !! |
---|
550 | !! ** purpose : Computes and adds the advection trend to sea-ice |
---|
551 | !! variable on y axis |
---|
552 | !!--------------------------------------------------------------------- |
---|
553 | REAL(wp) , INTENT(in ) :: pdt ! time step |
---|
554 | REAL(wp) , INTENT(in ) :: pcrh ! call adv_x then adv_y (=1) or the opposite (=0) |
---|
555 | REAL(wp), DIMENSION(:,:) , INTENT(in ) :: pvt ! j-direction ice velocity at V-point [m/s] |
---|
556 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psm ! area |
---|
557 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: ps0 ! field to be advected |
---|
558 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psx , psy ! 1st moments |
---|
559 | REAL(wp), DIMENSION(:,:,:), INTENT(inout) :: psxx, psyy, psxy ! 2nd moments |
---|
560 | !! |
---|
561 | INTEGER :: ji, jj, jl, jcat ! dummy loop indices |
---|
562 | INTEGER :: ji0 ! dummy loop indices |
---|
563 | REAL(wp) :: zs1max, zslpmax, ztemp ! temporary scalars |
---|
564 | REAL(wp) :: zs1new, zalf , zalfq , zbt ! - - |
---|
565 | REAL(wp) :: zs2new, zalf1, zalf1q, zbt1 ! - - |
---|
566 | REAL(wp) :: zpsm, zps0 |
---|
567 | REAL(wp) :: zpsx, zpsy, zpsxx, zpsyy, zpsxy |
---|
568 | REAL(wp), DIMENSION(jpi,jpj) :: zf0, zfx , zfy , zbet ! 2D workspace |
---|
569 | REAL(wp), DIMENSION(jpi,jpj) :: zfm, zfxx, zfyy, zfxy ! - - |
---|
570 | REAL(wp), DIMENSION(jpi,jpj) :: zalg, zalg1, zalg1q ! - - |
---|
571 | !--------------------------------------------------------------------- |
---|
572 | ! in order to avoid lbc_lnk (communications): |
---|
573 | ! ji loop must be 1:jpi if adv_y is called first |
---|
574 | ! and 2:jpi-1 if adv_y is called second |
---|
575 | ji0 = NINT(pcrh) |
---|
576 | ! |
---|
577 | jcat = SIZE( ps0 , 3 ) ! size of input arrays |
---|
578 | ! |
---|
579 | DO jl = 1, jcat ! loop on categories |
---|
580 | ! |
---|
581 | ! Limitation of moments. |
---|
582 | DO_2D( 1, 1, ji0, ji0 ) |
---|
583 | ! |
---|
584 | zpsm = psm (ji,jj,jl) ! optimization |
---|
585 | zps0 = ps0 (ji,jj,jl) |
---|
586 | zpsx = psx (ji,jj,jl) |
---|
587 | zpsxx = psxx(ji,jj,jl) |
---|
588 | zpsy = psy (ji,jj,jl) |
---|
589 | zpsyy = psyy(ji,jj,jl) |
---|
590 | zpsxy = psxy(ji,jj,jl) |
---|
591 | ! |
---|
592 | ! Initialize volumes of boxes (=area if adv_y first called, =psm otherwise) |
---|
593 | zpsm = MAX( pcrh * e1e2t(ji,jj) + ( 1.0 - pcrh ) * zpsm , epsi20 ) |
---|
594 | ! |
---|
595 | zslpmax = MAX( 0._wp, zps0 ) |
---|
596 | zs1max = 1.5 * zslpmax |
---|
597 | zs1new = MIN( zs1max, MAX( -zs1max, zpsy ) ) |
---|
598 | zs2new = MIN( ( 2.0 * zslpmax - 0.3334 * ABS( zs1new ) ), MAX( ABS( zs1new )-zslpmax, zpsyy ) ) |
---|
599 | rswitch = ( 1.0 - MAX( 0._wp, SIGN( 1._wp, -zslpmax) ) ) * tmask(ji,jj,1) ! Case of empty boxes & Apply mask |
---|
600 | ! |
---|
601 | zps0 = zslpmax |
---|
602 | zpsx = zpsx * rswitch |
---|
603 | zpsxx = zpsxx * rswitch |
---|
604 | zpsy = zs1new * rswitch |
---|
605 | zpsyy = zs2new * rswitch |
---|
606 | zpsxy = MIN( zslpmax, MAX( -zslpmax, zpsxy ) ) * rswitch |
---|
607 | |
---|
608 | ! Calculate fluxes and moments between boxes j<-->j+1 |
---|
609 | ! ! Flux from j to j+1 WHEN v GT 0 |
---|
610 | zbet(ji,jj) = MAX( 0._wp, SIGN( 1._wp, pvt(ji,jj) ) ) |
---|
611 | zalf = MAX( 0._wp, pvt(ji,jj) ) * pdt / zpsm |
---|
612 | zalfq = zalf * zalf |
---|
613 | zalf1 = 1.0 - zalf |
---|
614 | zalf1q = zalf1 * zalf1 |
---|
615 | ! |
---|
616 | zfm (ji,jj) = zalf * zpsm |
---|
617 | zf0 (ji,jj) = zalf * ( zps0 + zalf1 * ( zpsy + (zalf1-zalf) * zpsyy ) ) |
---|
618 | zfy (ji,jj) = zalfq *( zpsy + 3.0*zalf1*zpsyy ) |
---|
619 | zfyy(ji,jj) = zalf * zalfq * zpsyy |
---|
620 | zfx (ji,jj) = zalf * ( zpsx + zalf1 * zpsxy ) |
---|
621 | zfxy(ji,jj) = zalfq * zpsxy |
---|
622 | zfxx(ji,jj) = zalf * zpsxx |
---|
623 | ! |
---|
624 | ! ! Readjust moments remaining in the box. |
---|
625 | zpsm = zpsm - zfm(ji,jj) |
---|
626 | zps0 = zps0 - zf0(ji,jj) |
---|
627 | zpsy = zalf1q * ( zpsy -3.0 * zalf * zpsyy ) |
---|
628 | zpsyy = zalf1 * zalf1q * zpsyy |
---|
629 | zpsx = zpsx - zfx(ji,jj) |
---|
630 | zpsxx = zpsxx - zfxx(ji,jj) |
---|
631 | zpsxy = zalf1q * zpsxy |
---|
632 | ! |
---|
633 | psm (ji,jj,jl) = zpsm ! optimization |
---|
634 | ps0 (ji,jj,jl) = zps0 |
---|
635 | psx (ji,jj,jl) = zpsx |
---|
636 | psxx(ji,jj,jl) = zpsxx |
---|
637 | psy (ji,jj,jl) = zpsy |
---|
638 | psyy(ji,jj,jl) = zpsyy |
---|
639 | psxy(ji,jj,jl) = zpsxy |
---|
640 | END_2D |
---|
641 | ! |
---|
642 | DO_2D( 1, 0, ji0, ji0 ) |
---|
643 | ! ! Flux from j+1 to j when v LT 0. |
---|
644 | zalf = MAX( 0._wp, -pvt(ji,jj) ) * pdt / psm(ji,jj+1,jl) |
---|
645 | zalg (ji,jj) = zalf |
---|
646 | zalfq = zalf * zalf |
---|
647 | zalf1 = 1.0 - zalf |
---|
648 | zalg1 (ji,jj) = zalf1 |
---|
649 | zalf1q = zalf1 * zalf1 |
---|
650 | zalg1q(ji,jj) = zalf1q |
---|
651 | ! |
---|
652 | zfm (ji,jj) = zfm (ji,jj) + zalf * psm (ji,jj+1,jl) |
---|
653 | zf0 (ji,jj) = zf0 (ji,jj) + zalf * ( ps0 (ji,jj+1,jl) & |
---|
654 | & - zalf1 * (psy(ji,jj+1,jl) - (zalf1 - zalf ) * psyy(ji,jj+1,jl) ) ) |
---|
655 | zfy (ji,jj) = zfy (ji,jj) + zalfq * ( psy (ji,jj+1,jl) - 3.0 * zalf1 * psyy(ji,jj+1,jl) ) |
---|
656 | zfyy (ji,jj) = zfyy(ji,jj) + zalf * psyy(ji,jj+1,jl) * zalfq |
---|
657 | zfx (ji,jj) = zfx (ji,jj) + zalf * ( psx (ji,jj+1,jl) - zalf1 * psxy(ji,jj+1,jl) ) |
---|
658 | zfxy (ji,jj) = zfxy(ji,jj) + zalfq * psxy(ji,jj+1,jl) |
---|
659 | zfxx (ji,jj) = zfxx(ji,jj) + zalf * psxx(ji,jj+1,jl) |
---|
660 | END_2D |
---|
661 | |
---|
662 | DO_2D( 0, 0, ji0, ji0 ) |
---|
663 | ! ! Readjust moments remaining in the box. |
---|
664 | zbt = zbet(ji,jj-1) |
---|
665 | zbt1 = ( 1.0 - zbet(ji,jj-1) ) |
---|
666 | ! |
---|
667 | zpsm = psm (ji,jj,jl) ! optimization |
---|
668 | zps0 = ps0 (ji,jj,jl) |
---|
669 | zpsx = psx (ji,jj,jl) |
---|
670 | zpsxx = psxx(ji,jj,jl) |
---|
671 | zpsy = psy (ji,jj,jl) |
---|
672 | zpsyy = psyy(ji,jj,jl) |
---|
673 | zpsxy = psxy(ji,jj,jl) |
---|
674 | ! |
---|
675 | zpsm = zbt * zpsm + zbt1 * ( zpsm - zfm(ji,jj-1) ) |
---|
676 | zps0 = zbt * zps0 + zbt1 * ( zps0 - zf0(ji,jj-1) ) |
---|
677 | zpsy = zalg1q(ji,jj-1) * ( zpsy + 3.0 * zalg(ji,jj-1) * zpsyy ) |
---|
678 | zpsyy = zalg1 (ji,jj-1) * zalg1q(ji,jj-1) * zpsyy |
---|
679 | zpsx = zbt * zpsx + zbt1 * ( zpsx - zfx (ji,jj-1) ) |
---|
680 | zpsxx = zbt * zpsxx + zbt1 * ( zpsxx - zfxx(ji,jj-1) ) |
---|
681 | zpsxy = zalg1q(ji,jj-1) * zpsxy |
---|
682 | |
---|
683 | ! Put the temporary moments into appropriate neighboring boxes. |
---|
684 | ! ! Flux from j to j+1 IF v GT 0. |
---|
685 | zbt = zbet(ji,jj-1) |
---|
686 | zbt1 = 1.0 - zbet(ji,jj-1) |
---|
687 | zpsm = zbt * ( zpsm + zfm(ji,jj-1) ) + zbt1 * zpsm |
---|
688 | zalf = zbt * zfm(ji,jj-1) / zpsm |
---|
689 | zalf1 = 1.0 - zalf |
---|
690 | ztemp = zalf * zps0 - zalf1 * zf0(ji,jj-1) |
---|
691 | ! |
---|
692 | zps0 = zbt * ( zps0 + zf0(ji,jj-1) ) + zbt1 * zps0 |
---|
693 | zpsy = zbt * ( zalf * zfy(ji,jj-1) + zalf1 * zpsy + 3.0 * ztemp ) & |
---|
694 | & + zbt1 * zpsy |
---|
695 | zpsyy = zbt * ( zalf * zalf * zfyy(ji,jj-1) + zalf1 * zalf1 * zpsyy & |
---|
696 | & + 5.0 * ( zalf * zalf1 * ( zpsy - zfy(ji,jj-1) ) - ( zalf1 - zalf ) * ztemp ) ) & |
---|
697 | & + zbt1 * zpsyy |
---|
698 | zpsxy = zbt * ( zalf * zfxy(ji,jj-1) + zalf1 * zpsxy & |
---|
699 | & + 3.0 * (- zalf1 * zfx(ji,jj-1) + zalf * zpsx ) ) & |
---|
700 | & + zbt1 * zpsxy |
---|
701 | zpsx = zbt * ( zpsx + zfx (ji,jj-1) ) + zbt1 * zpsx |
---|
702 | zpsxx = zbt * ( zpsxx + zfxx(ji,jj-1) ) + zbt1 * zpsxx |
---|
703 | |
---|
704 | ! ! Flux from j+1 to j IF v LT 0. |
---|
705 | zbt = zbet(ji,jj) |
---|
706 | zbt1 = 1.0 - zbet(ji,jj) |
---|
707 | zpsm = zbt * zpsm + zbt1 * ( zpsm + zfm(ji,jj) ) |
---|
708 | zalf = zbt1 * zfm(ji,jj) / zpsm |
---|
709 | zalf1 = 1.0 - zalf |
---|
710 | ztemp = - zalf * zps0 + zalf1 * zf0(ji,jj) |
---|
711 | ! |
---|
712 | zps0 = zbt * zps0 + zbt1 * ( zps0 + zf0(ji,jj) ) |
---|
713 | zpsy = zbt * zpsy + zbt1 * ( zalf * zfy(ji,jj) + zalf1 * zpsy + 3.0 * ztemp ) |
---|
714 | zpsyy = zbt * zpsyy + zbt1 * ( zalf * zalf * zfyy(ji,jj) + zalf1 * zalf1 * zpsyy & |
---|
715 | & + 5.0 * ( zalf * zalf1 * ( - zpsy + zfy(ji,jj) ) & |
---|
716 | & + ( zalf1 - zalf ) * ztemp ) ) |
---|
717 | zpsxy = zbt * zpsxy + zbt1 * ( zalf * zfxy(ji,jj) + zalf1 * zpsxy & |
---|
718 | & + 3.0 * ( zalf1 * zfx(ji,jj) - zalf * zpsx ) ) |
---|
719 | zpsx = zbt * zpsx + zbt1 * ( zpsx + zfx (ji,jj) ) |
---|
720 | zpsxx = zbt * zpsxx + zbt1 * ( zpsxx + zfxx(ji,jj) ) |
---|
721 | ! |
---|
722 | psm (ji,jj,jl) = zpsm ! optimization |
---|
723 | ps0 (ji,jj,jl) = zps0 |
---|
724 | psx (ji,jj,jl) = zpsx |
---|
725 | psxx(ji,jj,jl) = zpsxx |
---|
726 | psy (ji,jj,jl) = zpsy |
---|
727 | psyy(ji,jj,jl) = zpsyy |
---|
728 | psxy(ji,jj,jl) = zpsxy |
---|
729 | END_2D |
---|
730 | ! |
---|
731 | END DO |
---|
732 | ! |
---|
733 | END SUBROUTINE adv_y |
---|
734 | |
---|
735 | |
---|
736 | SUBROUTINE Hbig( pdt, phi_max, phs_max, phip_max, psi_max, pes_max, pei_max, & |
---|
737 | & pv_i, pv_s, pa_i, pa_ip, pv_ip, psv_i, pe_s, pe_i ) |
---|
738 | !!------------------------------------------------------------------- |
---|
739 | !! *** ROUTINE Hbig *** |
---|
740 | !! |
---|
741 | !! ** Purpose : Thickness correction in case advection scheme creates |
---|
742 | !! abnormally tick ice or snow |
---|
743 | !! |
---|
744 | !! ** Method : 1- check whether ice thickness is larger than the surrounding 9-points |
---|
745 | !! (before advection) and reduce it by adapting ice concentration |
---|
746 | !! 2- check whether snow thickness is larger than the surrounding 9-points |
---|
747 | !! (before advection) and reduce it by sending the excess in the ocean |
---|
748 | !! |
---|
749 | !! ** input : Max thickness of the surrounding 9-points |
---|
750 | !!------------------------------------------------------------------- |
---|
751 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
752 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: phi_max, phs_max, phip_max, psi_max ! max ice thick from surrounding 9-pts |
---|
753 | REAL(wp), DIMENSION(:,:,:,:), INTENT(in ) :: pes_max |
---|
754 | REAL(wp), DIMENSION(:,:,:,:), INTENT(in ) :: pei_max |
---|
755 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip, pv_ip, psv_i |
---|
756 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
757 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_i |
---|
758 | ! |
---|
759 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
---|
760 | REAL(wp) :: z1_dt, zhip, zhi, zhs, zsi, zes, zei, zfra |
---|
761 | !!------------------------------------------------------------------- |
---|
762 | ! |
---|
763 | z1_dt = 1._wp / pdt |
---|
764 | ! |
---|
765 | DO jl = 1, jpl |
---|
766 | DO_2D( 1, 1, 1, 1 ) |
---|
767 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
768 | ! |
---|
769 | ! ! -- check h_ip -- ! |
---|
770 | ! if h_ip is larger than the surrounding 9 pts => reduce h_ip and increase a_ip |
---|
771 | IF( ln_pnd_LEV .AND. pv_ip(ji,jj,jl) > 0._wp ) THEN |
---|
772 | zhip = pv_ip(ji,jj,jl) / MAX( epsi20, pa_ip(ji,jj,jl) ) |
---|
773 | IF( zhip > phip_max(ji,jj,jl) .AND. pa_ip(ji,jj,jl) < 0.15 ) THEN |
---|
774 | pa_ip(ji,jj,jl) = pv_ip(ji,jj,jl) / phip_max(ji,jj,jl) |
---|
775 | ENDIF |
---|
776 | ENDIF |
---|
777 | ! |
---|
778 | ! ! -- check h_i -- ! |
---|
779 | ! if h_i is larger than the surrounding 9 pts => reduce h_i and increase a_i |
---|
780 | zhi = pv_i(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
781 | IF( zhi > phi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
782 | pa_i(ji,jj,jl) = pv_i(ji,jj,jl) / MIN( phi_max(ji,jj,jl), hi_max(jpl) ) !-- bound h_i to hi_max (99 m) |
---|
783 | ENDIF |
---|
784 | ! |
---|
785 | ! ! -- check h_s -- ! |
---|
786 | ! if h_s is larger than the surrounding 9 pts => put the snow excess in the ocean |
---|
787 | zhs = pv_s(ji,jj,jl) / pa_i(ji,jj,jl) |
---|
788 | IF( pv_s(ji,jj,jl) > 0._wp .AND. zhs > phs_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
789 | zfra = phs_max(ji,jj,jl) / MAX( zhs, epsi20 ) |
---|
790 | ! |
---|
791 | wfx_res(ji,jj) = wfx_res(ji,jj) + ( pv_s(ji,jj,jl) - pa_i(ji,jj,jl) * phs_max(ji,jj,jl) ) * rhos * z1_dt |
---|
792 | hfx_res(ji,jj) = hfx_res(ji,jj) - SUM( pe_s(ji,jj,1:nlay_s,jl) ) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
---|
793 | ! |
---|
794 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
795 | pv_s(ji,jj,jl) = pa_i(ji,jj,jl) * phs_max(ji,jj,jl) |
---|
796 | ENDIF |
---|
797 | ! |
---|
798 | ! ! -- check s_i -- ! |
---|
799 | ! if s_i is larger than the surrounding 9 pts => put salt excess in the ocean |
---|
800 | zsi = psv_i(ji,jj,jl) / pv_i(ji,jj,jl) |
---|
801 | IF( zsi > psi_max(ji,jj,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
802 | zfra = psi_max(ji,jj,jl) / zsi |
---|
803 | sfx_res(ji,jj) = sfx_res(ji,jj) + psv_i(ji,jj,jl) * ( 1._wp - zfra ) * rhoi * z1_dt |
---|
804 | psv_i(ji,jj,jl) = psv_i(ji,jj,jl) * zfra |
---|
805 | ENDIF |
---|
806 | ! |
---|
807 | ENDIF |
---|
808 | END_2D |
---|
809 | END DO |
---|
810 | ! |
---|
811 | ! ! -- check e_i/v_i -- ! |
---|
812 | DO jl = 1, jpl |
---|
813 | DO_3D( 1, 1, 1, 1, 1, nlay_i ) |
---|
814 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
815 | ! if e_i/v_i is larger than the surrounding 9 pts => put the heat excess in the ocean |
---|
816 | zei = pe_i(ji,jj,jk,jl) / pv_i(ji,jj,jl) |
---|
817 | IF( zei > pei_max(ji,jj,jk,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
818 | zfra = pei_max(ji,jj,jk,jl) / zei |
---|
819 | hfx_res(ji,jj) = hfx_res(ji,jj) - pe_i(ji,jj,jk,jl) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
---|
820 | pe_i(ji,jj,jk,jl) = pe_i(ji,jj,jk,jl) * zfra |
---|
821 | ENDIF |
---|
822 | ENDIF |
---|
823 | END_3D |
---|
824 | END DO |
---|
825 | ! ! -- check e_s/v_s -- ! |
---|
826 | DO jl = 1, jpl |
---|
827 | DO_3D( 1, 1, 1, 1, 1, nlay_s ) |
---|
828 | IF ( pv_s(ji,jj,jl) > 0._wp ) THEN |
---|
829 | ! if e_s/v_s is larger than the surrounding 9 pts => put the heat excess in the ocean |
---|
830 | zes = pe_s(ji,jj,jk,jl) / pv_s(ji,jj,jl) |
---|
831 | IF( zes > pes_max(ji,jj,jk,jl) .AND. pa_i(ji,jj,jl) < 0.15 ) THEN |
---|
832 | zfra = pes_max(ji,jj,jk,jl) / zes |
---|
833 | hfx_res(ji,jj) = hfx_res(ji,jj) - pe_s(ji,jj,jk,jl) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
---|
834 | pe_s(ji,jj,jk,jl) = pe_s(ji,jj,jk,jl) * zfra |
---|
835 | ENDIF |
---|
836 | ENDIF |
---|
837 | END_3D |
---|
838 | END DO |
---|
839 | ! |
---|
840 | END SUBROUTINE Hbig |
---|
841 | |
---|
842 | |
---|
843 | SUBROUTINE Hsnow( pdt, pv_i, pv_s, pa_i, pa_ip, pe_s ) |
---|
844 | !!------------------------------------------------------------------- |
---|
845 | !! *** ROUTINE Hsnow *** |
---|
846 | !! |
---|
847 | !! ** Purpose : 1- Check snow load after advection |
---|
848 | !! 2- Correct pond concentration to avoid a_ip > a_i |
---|
849 | !! |
---|
850 | !! ** Method : If snow load makes snow-ice interface to deplet below the ocean surface |
---|
851 | !! then put the snow excess in the ocean |
---|
852 | !! |
---|
853 | !! ** Notes : This correction is crucial because of the call to routine icecor afterwards |
---|
854 | !! which imposes a mini of ice thick. (rn_himin). This imposed mini can artificially |
---|
855 | !! make the snow very thick (if concentration decreases drastically) |
---|
856 | !! This behavior has been seen in Ultimate-Macho and supposedly it can also be true for Prather |
---|
857 | !!------------------------------------------------------------------- |
---|
858 | REAL(wp) , INTENT(in ) :: pdt ! tracer time-step |
---|
859 | REAL(wp), DIMENSION(:,:,:) , INTENT(inout) :: pv_i, pv_s, pa_i, pa_ip |
---|
860 | REAL(wp), DIMENSION(:,:,:,:), INTENT(inout) :: pe_s |
---|
861 | ! |
---|
862 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
863 | REAL(wp) :: z1_dt, zvs_excess, zfra |
---|
864 | !!------------------------------------------------------------------- |
---|
865 | ! |
---|
866 | z1_dt = 1._wp / pdt |
---|
867 | ! |
---|
868 | ! -- check snow load -- ! |
---|
869 | DO jl = 1, jpl |
---|
870 | DO_2D( 1, 1, 1, 1 ) |
---|
871 | IF ( pv_i(ji,jj,jl) > 0._wp ) THEN |
---|
872 | ! |
---|
873 | zvs_excess = MAX( 0._wp, pv_s(ji,jj,jl) - pv_i(ji,jj,jl) * (rho0-rhoi) * r1_rhos ) |
---|
874 | ! |
---|
875 | IF( zvs_excess > 0._wp ) THEN ! snow-ice interface deplets below the ocean surface |
---|
876 | ! put snow excess in the ocean |
---|
877 | zfra = ( pv_s(ji,jj,jl) - zvs_excess ) / MAX( pv_s(ji,jj,jl), epsi20 ) |
---|
878 | wfx_res(ji,jj) = wfx_res(ji,jj) + zvs_excess * rhos * z1_dt |
---|
879 | hfx_res(ji,jj) = hfx_res(ji,jj) - SUM( pe_s(ji,jj,1:nlay_s,jl) ) * ( 1._wp - zfra ) * z1_dt ! W.m-2 <0 |
---|
880 | ! correct snow volume and heat content |
---|
881 | pe_s(ji,jj,1:nlay_s,jl) = pe_s(ji,jj,1:nlay_s,jl) * zfra |
---|
882 | pv_s(ji,jj,jl) = pv_s(ji,jj,jl) - zvs_excess |
---|
883 | ENDIF |
---|
884 | ! |
---|
885 | ENDIF |
---|
886 | END_2D |
---|
887 | END DO |
---|
888 | ! |
---|
889 | !-- correct pond concentration to avoid a_ip > a_i -- ! |
---|
890 | WHERE( pa_ip(:,:,:) > pa_i(:,:,:) ) pa_ip(:,:,:) = pa_i(:,:,:) |
---|
891 | ! |
---|
892 | END SUBROUTINE Hsnow |
---|
893 | |
---|
894 | |
---|
895 | SUBROUTINE adv_pra_init |
---|
896 | !!------------------------------------------------------------------- |
---|
897 | !! *** ROUTINE adv_pra_init *** |
---|
898 | !! |
---|
899 | !! ** Purpose : allocate and initialize arrays for Prather advection |
---|
900 | !!------------------------------------------------------------------- |
---|
901 | INTEGER :: ierr |
---|
902 | !!------------------------------------------------------------------- |
---|
903 | ! |
---|
904 | ! !* allocate prather fields |
---|
905 | ALLOCATE( sxice(jpi,jpj,jpl) , syice(jpi,jpj,jpl) , sxxice(jpi,jpj,jpl) , syyice(jpi,jpj,jpl) , sxyice(jpi,jpj,jpl) , & |
---|
906 | & sxsn (jpi,jpj,jpl) , sysn (jpi,jpj,jpl) , sxxsn (jpi,jpj,jpl) , syysn (jpi,jpj,jpl) , sxysn (jpi,jpj,jpl) , & |
---|
907 | & sxa (jpi,jpj,jpl) , sya (jpi,jpj,jpl) , sxxa (jpi,jpj,jpl) , syya (jpi,jpj,jpl) , sxya (jpi,jpj,jpl) , & |
---|
908 | & sxsal(jpi,jpj,jpl) , sysal(jpi,jpj,jpl) , sxxsal(jpi,jpj,jpl) , syysal(jpi,jpj,jpl) , sxysal(jpi,jpj,jpl) , & |
---|
909 | & sxage(jpi,jpj,jpl) , syage(jpi,jpj,jpl) , sxxage(jpi,jpj,jpl) , syyage(jpi,jpj,jpl) , sxyage(jpi,jpj,jpl) , & |
---|
910 | & sxap (jpi,jpj,jpl) , syap (jpi,jpj,jpl) , sxxap (jpi,jpj,jpl) , syyap (jpi,jpj,jpl) , sxyap (jpi,jpj,jpl) , & |
---|
911 | & sxvp (jpi,jpj,jpl) , syvp (jpi,jpj,jpl) , sxxvp (jpi,jpj,jpl) , syyvp (jpi,jpj,jpl) , sxyvp (jpi,jpj,jpl) , & |
---|
912 | & sxvl (jpi,jpj,jpl) , syvl (jpi,jpj,jpl) , sxxvl (jpi,jpj,jpl) , syyvl (jpi,jpj,jpl) , sxyvl (jpi,jpj,jpl) , & |
---|
913 | ! |
---|
914 | & sxc0 (jpi,jpj,nlay_s,jpl) , syc0 (jpi,jpj,nlay_s,jpl) , sxxc0(jpi,jpj,nlay_s,jpl) , & |
---|
915 | & syyc0(jpi,jpj,nlay_s,jpl) , sxyc0(jpi,jpj,nlay_s,jpl) , & |
---|
916 | ! |
---|
917 | & sxe (jpi,jpj,nlay_i,jpl) , sye (jpi,jpj,nlay_i,jpl) , sxxe (jpi,jpj,nlay_i,jpl) , & |
---|
918 | & syye (jpi,jpj,nlay_i,jpl) , sxye (jpi,jpj,nlay_i,jpl) , & |
---|
919 | & STAT = ierr ) |
---|
920 | ! |
---|
921 | CALL mpp_sum( 'icedyn_adv_pra', ierr ) |
---|
922 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'adv_pra_init : unable to allocate ice arrays for Prather advection scheme') |
---|
923 | ! |
---|
924 | CALL adv_pra_rst( 'READ' ) !* read or initialize all required files |
---|
925 | ! |
---|
926 | END SUBROUTINE adv_pra_init |
---|
927 | |
---|
928 | |
---|
929 | SUBROUTINE adv_pra_rst( cdrw, kt ) |
---|
930 | !!--------------------------------------------------------------------- |
---|
931 | !! *** ROUTINE adv_pra_rst *** |
---|
932 | !! |
---|
933 | !! ** Purpose : Read or write file in restart file |
---|
934 | !! |
---|
935 | !! ** Method : use of IOM library |
---|
936 | !!---------------------------------------------------------------------- |
---|
937 | CHARACTER(len=*) , INTENT(in) :: cdrw ! "READ"/"WRITE" flag |
---|
938 | INTEGER, OPTIONAL, INTENT(in) :: kt ! ice time-step |
---|
939 | ! |
---|
940 | INTEGER :: jk, jl ! dummy loop indices |
---|
941 | INTEGER :: iter ! local integer |
---|
942 | INTEGER :: id1 ! local integer |
---|
943 | CHARACTER(len=25) :: znam |
---|
944 | CHARACTER(len=2) :: zchar, zchar1 |
---|
945 | REAL(wp), DIMENSION(jpi,jpj,jpl) :: z3d ! 3D workspace |
---|
946 | !!---------------------------------------------------------------------- |
---|
947 | ! |
---|
948 | ! !==========================! |
---|
949 | IF( TRIM(cdrw) == 'READ' ) THEN !== Read or initialize ==! |
---|
950 | ! !==========================! |
---|
951 | ! |
---|
952 | IF( ln_rstart ) THEN ; id1 = iom_varid( numrir, 'sxice' , ldstop = .FALSE. ) ! file exist: id1>0 |
---|
953 | ELSE ; id1 = 0 ! no restart: id1=0 |
---|
954 | ENDIF |
---|
955 | ! |
---|
956 | IF( id1 > 0 ) THEN !** Read the restart file **! |
---|
957 | ! |
---|
958 | ! ! ice thickness |
---|
959 | CALL iom_get( numrir, jpdom_auto, 'sxice' , sxice , psgn = -1._wp ) |
---|
960 | CALL iom_get( numrir, jpdom_auto, 'syice' , syice , psgn = -1._wp ) |
---|
961 | CALL iom_get( numrir, jpdom_auto, 'sxxice', sxxice ) |
---|
962 | CALL iom_get( numrir, jpdom_auto, 'syyice', syyice ) |
---|
963 | CALL iom_get( numrir, jpdom_auto, 'sxyice', sxyice ) |
---|
964 | ! ! snow thickness |
---|
965 | CALL iom_get( numrir, jpdom_auto, 'sxsn' , sxsn , psgn = -1._wp ) |
---|
966 | CALL iom_get( numrir, jpdom_auto, 'sysn' , sysn , psgn = -1._wp ) |
---|
967 | CALL iom_get( numrir, jpdom_auto, 'sxxsn' , sxxsn ) |
---|
968 | CALL iom_get( numrir, jpdom_auto, 'syysn' , syysn ) |
---|
969 | CALL iom_get( numrir, jpdom_auto, 'sxysn' , sxysn ) |
---|
970 | ! ! ice concentration |
---|
971 | CALL iom_get( numrir, jpdom_auto, 'sxa' , sxa , psgn = -1._wp ) |
---|
972 | CALL iom_get( numrir, jpdom_auto, 'sya' , sya , psgn = -1._wp ) |
---|
973 | CALL iom_get( numrir, jpdom_auto, 'sxxa' , sxxa ) |
---|
974 | CALL iom_get( numrir, jpdom_auto, 'syya' , syya ) |
---|
975 | CALL iom_get( numrir, jpdom_auto, 'sxya' , sxya ) |
---|
976 | ! ! ice salinity |
---|
977 | CALL iom_get( numrir, jpdom_auto, 'sxsal' , sxsal , psgn = -1._wp ) |
---|
978 | CALL iom_get( numrir, jpdom_auto, 'sysal' , sysal , psgn = -1._wp ) |
---|
979 | CALL iom_get( numrir, jpdom_auto, 'sxxsal', sxxsal ) |
---|
980 | CALL iom_get( numrir, jpdom_auto, 'syysal', syysal ) |
---|
981 | CALL iom_get( numrir, jpdom_auto, 'sxysal', sxysal ) |
---|
982 | ! ! ice age |
---|
983 | CALL iom_get( numrir, jpdom_auto, 'sxage' , sxage , psgn = -1._wp ) |
---|
984 | CALL iom_get( numrir, jpdom_auto, 'syage' , syage , psgn = -1._wp ) |
---|
985 | CALL iom_get( numrir, jpdom_auto, 'sxxage', sxxage ) |
---|
986 | CALL iom_get( numrir, jpdom_auto, 'syyage', syyage ) |
---|
987 | CALL iom_get( numrir, jpdom_auto, 'sxyage', sxyage ) |
---|
988 | ! ! snow layers heat content |
---|
989 | DO jk = 1, nlay_s |
---|
990 | WRITE(zchar1,'(I2.2)') jk |
---|
991 | znam = 'sxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d, psgn = -1._wp ) ; sxc0 (:,:,jk,:) = z3d(:,:,:) |
---|
992 | znam = 'syc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d, psgn = -1._wp ) ; syc0 (:,:,jk,:) = z3d(:,:,:) |
---|
993 | znam = 'sxxc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxxc0(:,:,jk,:) = z3d(:,:,:) |
---|
994 | znam = 'syyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; syyc0(:,:,jk,:) = z3d(:,:,:) |
---|
995 | znam = 'sxyc0'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxyc0(:,:,jk,:) = z3d(:,:,:) |
---|
996 | END DO |
---|
997 | ! ! ice layers heat content |
---|
998 | DO jk = 1, nlay_i |
---|
999 | WRITE(zchar1,'(I2.2)') jk |
---|
1000 | znam = 'sxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d, psgn = -1._wp ) ; sxe (:,:,jk,:) = z3d(:,:,:) |
---|
1001 | znam = 'sye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d, psgn = -1._wp ) ; sye (:,:,jk,:) = z3d(:,:,:) |
---|
1002 | znam = 'sxxe'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxxe(:,:,jk,:) = z3d(:,:,:) |
---|
1003 | znam = 'syye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; syye(:,:,jk,:) = z3d(:,:,:) |
---|
1004 | znam = 'sxye'//'_l'//zchar1 ; CALL iom_get( numrir, jpdom_auto, znam , z3d ) ; sxye(:,:,jk,:) = z3d(:,:,:) |
---|
1005 | END DO |
---|
1006 | ! |
---|
1007 | IF( ln_pnd_LEV ) THEN ! melt pond fraction |
---|
1008 | IF( iom_varid( numrir, 'sxap', ldstop = .FALSE. ) > 0 ) THEN |
---|
1009 | CALL iom_get( numrir, jpdom_auto, 'sxap' , sxap , psgn = -1._wp ) |
---|
1010 | CALL iom_get( numrir, jpdom_auto, 'syap' , syap , psgn = -1._wp ) |
---|
1011 | CALL iom_get( numrir, jpdom_auto, 'sxxap', sxxap ) |
---|
1012 | CALL iom_get( numrir, jpdom_auto, 'syyap', syyap ) |
---|
1013 | CALL iom_get( numrir, jpdom_auto, 'sxyap', sxyap ) |
---|
1014 | ! ! melt pond volume |
---|
1015 | CALL iom_get( numrir, jpdom_auto, 'sxvp' , sxvp , psgn = -1._wp ) |
---|
1016 | CALL iom_get( numrir, jpdom_auto, 'syvp' , syvp , psgn = -1._wp ) |
---|
1017 | CALL iom_get( numrir, jpdom_auto, 'sxxvp', sxxvp ) |
---|
1018 | CALL iom_get( numrir, jpdom_auto, 'syyvp', syyvp ) |
---|
1019 | CALL iom_get( numrir, jpdom_auto, 'sxyvp', sxyvp ) |
---|
1020 | ELSE |
---|
1021 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
---|
1022 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
---|
1023 | ENDIF |
---|
1024 | ! |
---|
1025 | IF ( ln_pnd_lids ) THEN ! melt pond lid volume |
---|
1026 | IF( iom_varid( numrir, 'sxvl', ldstop = .FALSE. ) > 0 ) THEN |
---|
1027 | CALL iom_get( numrir, jpdom_auto, 'sxvl' , sxvl , psgn = -1._wp ) |
---|
1028 | CALL iom_get( numrir, jpdom_auto, 'syvl' , syvl , psgn = -1._wp ) |
---|
1029 | CALL iom_get( numrir, jpdom_auto, 'sxxvl', sxxvl ) |
---|
1030 | CALL iom_get( numrir, jpdom_auto, 'syyvl', syyvl ) |
---|
1031 | CALL iom_get( numrir, jpdom_auto, 'sxyvl', sxyvl ) |
---|
1032 | ELSE |
---|
1033 | sxvl = 0._wp; syvl = 0._wp ; sxxvl = 0._wp ; syyvl = 0._wp ; sxyvl = 0._wp ! melt pond lid volume |
---|
1034 | ENDIF |
---|
1035 | ENDIF |
---|
1036 | ENDIF |
---|
1037 | ! |
---|
1038 | ELSE !** start rheology from rest **! |
---|
1039 | ! |
---|
1040 | IF(lwp) WRITE(numout,*) ' ==>> start from rest OR previous run without Prather, set moments to 0' |
---|
1041 | ! |
---|
1042 | sxice = 0._wp ; syice = 0._wp ; sxxice = 0._wp ; syyice = 0._wp ; sxyice = 0._wp ! ice thickness |
---|
1043 | sxsn = 0._wp ; sysn = 0._wp ; sxxsn = 0._wp ; syysn = 0._wp ; sxysn = 0._wp ! snow thickness |
---|
1044 | sxa = 0._wp ; sya = 0._wp ; sxxa = 0._wp ; syya = 0._wp ; sxya = 0._wp ! ice concentration |
---|
1045 | sxsal = 0._wp ; sysal = 0._wp ; sxxsal = 0._wp ; syysal = 0._wp ; sxysal = 0._wp ! ice salinity |
---|
1046 | sxage = 0._wp ; syage = 0._wp ; sxxage = 0._wp ; syyage = 0._wp ; sxyage = 0._wp ! ice age |
---|
1047 | sxc0 = 0._wp ; syc0 = 0._wp ; sxxc0 = 0._wp ; syyc0 = 0._wp ; sxyc0 = 0._wp ! snow layers heat content |
---|
1048 | sxe = 0._wp ; sye = 0._wp ; sxxe = 0._wp ; syye = 0._wp ; sxye = 0._wp ! ice layers heat content |
---|
1049 | IF( ln_pnd_LEV ) THEN |
---|
1050 | sxap = 0._wp ; syap = 0._wp ; sxxap = 0._wp ; syyap = 0._wp ; sxyap = 0._wp ! melt pond fraction |
---|
1051 | sxvp = 0._wp ; syvp = 0._wp ; sxxvp = 0._wp ; syyvp = 0._wp ; sxyvp = 0._wp ! melt pond volume |
---|
1052 | IF ( ln_pnd_lids ) THEN |
---|
1053 | sxvl = 0._wp; syvl = 0._wp ; sxxvl = 0._wp ; syyvl = 0._wp ; sxyvl = 0._wp ! melt pond lid volume |
---|
1054 | ENDIF |
---|
1055 | ENDIF |
---|
1056 | ENDIF |
---|
1057 | ! |
---|
1058 | ! !=====================================! |
---|
1059 | ELSEIF( TRIM(cdrw) == 'WRITE' ) THEN !== write in the ice restart file ==! |
---|
1060 | ! !=====================================! |
---|
1061 | IF(lwp) WRITE(numout,*) '---- ice-adv-rst ----' |
---|
1062 | iter = kt + nn_fsbc - 1 ! ice restarts are written at kt == nitrst - nn_fsbc + 1 |
---|
1063 | ! |
---|
1064 | ! |
---|
1065 | ! In case Prather scheme is used for advection, write second order moments |
---|
1066 | ! ------------------------------------------------------------------------ |
---|
1067 | ! |
---|
1068 | ! ! ice thickness |
---|
1069 | CALL iom_rstput( iter, nitrst, numriw, 'sxice' , sxice ) |
---|
1070 | CALL iom_rstput( iter, nitrst, numriw, 'syice' , syice ) |
---|
1071 | CALL iom_rstput( iter, nitrst, numriw, 'sxxice', sxxice ) |
---|
1072 | CALL iom_rstput( iter, nitrst, numriw, 'syyice', syyice ) |
---|
1073 | CALL iom_rstput( iter, nitrst, numriw, 'sxyice', sxyice ) |
---|
1074 | ! ! snow thickness |
---|
1075 | CALL iom_rstput( iter, nitrst, numriw, 'sxsn' , sxsn ) |
---|
1076 | CALL iom_rstput( iter, nitrst, numriw, 'sysn' , sysn ) |
---|
1077 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsn' , sxxsn ) |
---|
1078 | CALL iom_rstput( iter, nitrst, numriw, 'syysn' , syysn ) |
---|
1079 | CALL iom_rstput( iter, nitrst, numriw, 'sxysn' , sxysn ) |
---|
1080 | ! ! ice concentration |
---|
1081 | CALL iom_rstput( iter, nitrst, numriw, 'sxa' , sxa ) |
---|
1082 | CALL iom_rstput( iter, nitrst, numriw, 'sya' , sya ) |
---|
1083 | CALL iom_rstput( iter, nitrst, numriw, 'sxxa' , sxxa ) |
---|
1084 | CALL iom_rstput( iter, nitrst, numriw, 'syya' , syya ) |
---|
1085 | CALL iom_rstput( iter, nitrst, numriw, 'sxya' , sxya ) |
---|
1086 | ! ! ice salinity |
---|
1087 | CALL iom_rstput( iter, nitrst, numriw, 'sxsal' , sxsal ) |
---|
1088 | CALL iom_rstput( iter, nitrst, numriw, 'sysal' , sysal ) |
---|
1089 | CALL iom_rstput( iter, nitrst, numriw, 'sxxsal', sxxsal ) |
---|
1090 | CALL iom_rstput( iter, nitrst, numriw, 'syysal', syysal ) |
---|
1091 | CALL iom_rstput( iter, nitrst, numriw, 'sxysal', sxysal ) |
---|
1092 | ! ! ice age |
---|
1093 | CALL iom_rstput( iter, nitrst, numriw, 'sxage' , sxage ) |
---|
1094 | CALL iom_rstput( iter, nitrst, numriw, 'syage' , syage ) |
---|
1095 | CALL iom_rstput( iter, nitrst, numriw, 'sxxage', sxxage ) |
---|
1096 | CALL iom_rstput( iter, nitrst, numriw, 'syyage', syyage ) |
---|
1097 | CALL iom_rstput( iter, nitrst, numriw, 'sxyage', sxyage ) |
---|
1098 | ! ! snow layers heat content |
---|
1099 | DO jk = 1, nlay_s |
---|
1100 | WRITE(zchar1,'(I2.2)') jk |
---|
1101 | znam = 'sxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1102 | znam = 'syc0'//'_l'//zchar1 ; z3d(:,:,:) = syc0 (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1103 | znam = 'sxxc0'//'_l'//zchar1 ; z3d(:,:,:) = sxxc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1104 | znam = 'syyc0'//'_l'//zchar1 ; z3d(:,:,:) = syyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1105 | znam = 'sxyc0'//'_l'//zchar1 ; z3d(:,:,:) = sxyc0(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1106 | END DO |
---|
1107 | ! ! ice layers heat content |
---|
1108 | DO jk = 1, nlay_i |
---|
1109 | WRITE(zchar1,'(I2.2)') jk |
---|
1110 | znam = 'sxe'//'_l'//zchar1 ; z3d(:,:,:) = sxe (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1111 | znam = 'sye'//'_l'//zchar1 ; z3d(:,:,:) = sye (:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1112 | znam = 'sxxe'//'_l'//zchar1 ; z3d(:,:,:) = sxxe(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1113 | znam = 'syye'//'_l'//zchar1 ; z3d(:,:,:) = syye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1114 | znam = 'sxye'//'_l'//zchar1 ; z3d(:,:,:) = sxye(:,:,jk,:) ; CALL iom_rstput( iter, nitrst, numriw, znam , z3d ) |
---|
1115 | END DO |
---|
1116 | ! |
---|
1117 | IF( ln_pnd_LEV ) THEN ! melt pond fraction |
---|
1118 | CALL iom_rstput( iter, nitrst, numriw, 'sxap' , sxap ) |
---|
1119 | CALL iom_rstput( iter, nitrst, numriw, 'syap' , syap ) |
---|
1120 | CALL iom_rstput( iter, nitrst, numriw, 'sxxap', sxxap ) |
---|
1121 | CALL iom_rstput( iter, nitrst, numriw, 'syyap', syyap ) |
---|
1122 | CALL iom_rstput( iter, nitrst, numriw, 'sxyap', sxyap ) |
---|
1123 | ! ! melt pond volume |
---|
1124 | CALL iom_rstput( iter, nitrst, numriw, 'sxvp' , sxvp ) |
---|
1125 | CALL iom_rstput( iter, nitrst, numriw, 'syvp' , syvp ) |
---|
1126 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvp', sxxvp ) |
---|
1127 | CALL iom_rstput( iter, nitrst, numriw, 'syyvp', syyvp ) |
---|
1128 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvp', sxyvp ) |
---|
1129 | ! |
---|
1130 | IF ( ln_pnd_lids ) THEN ! melt pond lid volume |
---|
1131 | CALL iom_rstput( iter, nitrst, numriw, 'sxvl' , sxvl ) |
---|
1132 | CALL iom_rstput( iter, nitrst, numriw, 'syvl' , syvl ) |
---|
1133 | CALL iom_rstput( iter, nitrst, numriw, 'sxxvl', sxxvl ) |
---|
1134 | CALL iom_rstput( iter, nitrst, numriw, 'syyvl', syyvl ) |
---|
1135 | CALL iom_rstput( iter, nitrst, numriw, 'sxyvl', sxyvl ) |
---|
1136 | ENDIF |
---|
1137 | ENDIF |
---|
1138 | ! |
---|
1139 | ENDIF |
---|
1140 | ! |
---|
1141 | END SUBROUTINE adv_pra_rst |
---|
1142 | |
---|
1143 | SUBROUTINE icemax3D( pice , pmax ) |
---|
1144 | !!--------------------------------------------------------------------- |
---|
1145 | !! *** ROUTINE icemax3D *** |
---|
1146 | !! ** Purpose : compute the max of the 9 points around |
---|
1147 | !!---------------------------------------------------------------------- |
---|
1148 | REAL(wp), DIMENSION(:,:,:) , INTENT(in ) :: pice ! input |
---|
1149 | REAL(wp), DIMENSION(:,:,:) , INTENT(out) :: pmax ! output |
---|
1150 | REAL(wp), DIMENSION(2:jpim1,jpj) :: zmax ! temporary array |
---|
1151 | INTEGER :: ji, jj, jl ! dummy loop indices |
---|
1152 | !!---------------------------------------------------------------------- |
---|
1153 | DO jl = 1, jpl |
---|
1154 | DO jj = Njs0-1, Nje0+1 |
---|
1155 | DO ji = Nis0, Nie0 |
---|
1156 | zmax(ji,jj) = MAX( epsi20, pice(ji,jj,jl), pice(ji-1,jj,jl), pice(ji+1,jj,jl) ) |
---|
1157 | END DO |
---|
1158 | END DO |
---|
1159 | DO jj = Njs0, Nje0 |
---|
1160 | DO ji = Nis0, Nie0 |
---|
1161 | pmax(ji,jj,jl) = MAX( epsi20, zmax(ji,jj), zmax(ji,jj-1), zmax(ji,jj+1) ) |
---|
1162 | END DO |
---|
1163 | END DO |
---|
1164 | END DO |
---|
1165 | END SUBROUTINE icemax3D |
---|
1166 | |
---|
1167 | SUBROUTINE icemax4D( pice , pmax ) |
---|
1168 | !!--------------------------------------------------------------------- |
---|
1169 | !! *** ROUTINE icemax4D *** |
---|
1170 | !! ** Purpose : compute the max of the 9 points around |
---|
1171 | !!---------------------------------------------------------------------- |
---|
1172 | REAL(wp), DIMENSION(:,:,:,:) , INTENT(in ) :: pice ! input |
---|
1173 | REAL(wp), DIMENSION(:,:,:,:) , INTENT(out) :: pmax ! output |
---|
1174 | REAL(wp), DIMENSION(2:jpim1,jpj) :: zmax ! temporary array |
---|
1175 | INTEGER :: jlay, ji, jj, jk, jl ! dummy loop indices |
---|
1176 | !!---------------------------------------------------------------------- |
---|
1177 | jlay = SIZE( pice , 3 ) ! size of input arrays |
---|
1178 | DO jl = 1, jpl |
---|
1179 | DO jk = 1, jlay |
---|
1180 | DO jj = Njs0-1, Nje0+1 |
---|
1181 | DO ji = Nis0, Nie0 |
---|
1182 | zmax(ji,jj) = MAX( epsi20, pice(ji,jj,jk,jl), pice(ji-1,jj,jk,jl), pice(ji+1,jj,jk,jl) ) |
---|
1183 | END DO |
---|
1184 | END DO |
---|
1185 | DO jj = Njs0, Nje0 |
---|
1186 | DO ji = Nis0, Nie0 |
---|
1187 | pmax(ji,jj,jk,jl) = MAX( epsi20, zmax(ji,jj), zmax(ji,jj-1), zmax(ji,jj+1) ) |
---|
1188 | END DO |
---|
1189 | END DO |
---|
1190 | END DO |
---|
1191 | END DO |
---|
1192 | END SUBROUTINE icemax4D |
---|
1193 | |
---|
1194 | #else |
---|
1195 | !!---------------------------------------------------------------------- |
---|
1196 | !! Default option Dummy module NO SI3 sea-ice model |
---|
1197 | !!---------------------------------------------------------------------- |
---|
1198 | #endif |
---|
1199 | |
---|
1200 | !!====================================================================== |
---|
1201 | END MODULE icedyn_adv_pra |
---|