1 | MODULE wet_dry |
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2 | !!============================================================================== |
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3 | !! *** MODULE wet_dry *** |
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4 | !! Wetting and drying includes initialisation routine and routines to |
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5 | !! compute and apply flux limiters and preserve water depth positivity |
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6 | !! only effects if wetting/drying is on (ln_wd == .true.) |
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7 | !!============================================================================== |
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8 | !! History : 3.6 ! 2014-09 ((H.Liu) Original code |
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9 | !! ! will add the runoff and periodic BC case later |
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10 | !!---------------------------------------------------------------------- |
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11 | |
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12 | !!---------------------------------------------------------------------- |
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13 | !! wad_lmt : Compute the horizontal flux limiter and the limited velocity |
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14 | !! when wetting and drying happens |
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15 | !!---------------------------------------------------------------------- |
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16 | USE oce ! ocean dynamics and tracers |
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17 | USE dom_oce ! ocean space and time domain |
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18 | USE sbc_oce, ONLY : ln_rnf ! surface boundary condition: ocean |
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19 | USE sbcrnf ! river runoff |
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20 | USE in_out_manager ! I/O manager |
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21 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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22 | USE lib_mpp ! MPP library |
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23 | USE wrk_nemo ! Memory Allocation |
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24 | USE timing ! Timing |
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25 | |
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26 | IMPLICIT NONE |
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27 | PRIVATE |
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28 | |
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29 | !!---------------------------------------------------------------------- |
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30 | !! critical depths,filters, limiters,and masks for Wetting and Drying |
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31 | !! --------------------------------------------------------------------- |
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32 | |
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33 | REAL(wp), PUBLIC, ALLOCATABLE, DIMENSION(:,:) :: wdmask !: u- and v- limiter |
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34 | |
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35 | LOGICAL, PUBLIC :: ln_wd !: Wetting/drying activation switch (T:on,F:off) |
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36 | REAL(wp), PUBLIC :: rn_wdmin1 !: minimum water depth on dried cells |
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37 | REAL(wp), PUBLIC :: rn_wdmin2 !: tolerrance of minimum water depth on dried cells |
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38 | REAL(wp), PUBLIC :: rn_wdld !: land elevation below which wetting/drying |
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39 | !: will be considered |
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40 | INTEGER , PUBLIC :: nn_wdit !: maximum number of iteration for W/D limiter |
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41 | |
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42 | PUBLIC wad_init ! initialisation routine called by step.F90 |
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43 | PUBLIC wad_lmt ! routine called by sshwzv.F90 |
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44 | PUBLIC wad_lmt_bt ! routine called by dynspg_ts.F90 |
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45 | PUBLIC wad_istate ! routine called by istate.F90 and domvvl.F90 |
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46 | |
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47 | !! * Substitutions |
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48 | # include "vectopt_loop_substitute.h90" |
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49 | CONTAINS |
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50 | |
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51 | SUBROUTINE wad_init |
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52 | !!---------------------------------------------------------------------- |
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53 | !! *** ROUTINE wad_init *** |
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54 | !! |
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55 | !! ** Purpose : read wetting and drying namelist and print the variables. |
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56 | !! |
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57 | !! ** input : - namwad namelist |
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58 | !!---------------------------------------------------------------------- |
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59 | NAMELIST/namwad/ ln_wd, rn_wdmin1, rn_wdmin2, rn_wdld, nn_wdit |
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60 | INTEGER :: ios ! Local integer output status for namelist read |
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61 | INTEGER :: ierr ! Local integer status array allocation |
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62 | !!---------------------------------------------------------------------- |
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63 | |
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64 | REWIND( numnam_ref ) ! Namelist namwad in reference namelist |
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65 | ! : Parameters for Wetting/Drying |
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66 | READ ( numnam_ref, namwad, IOSTAT = ios, ERR = 905) |
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67 | 905 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namwad in reference namelist', .TRUE.) |
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68 | REWIND( numnam_cfg ) ! Namelist namwad in configuration namelist |
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69 | ! : Parameters for Wetting/Drying |
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70 | READ ( numnam_cfg, namwad, IOSTAT = ios, ERR = 906) |
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71 | 906 IF( ios /= 0 ) CALL ctl_nam ( ios , 'namwad in configuration namelist', .TRUE. ) |
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72 | IF(lwm) WRITE ( numond, namwad ) |
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73 | |
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74 | IF(lwp) THEN ! control print |
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75 | WRITE(numout,*) |
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76 | WRITE(numout,*) 'wad_init : Wetting and drying initialization through namelist read' |
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77 | WRITE(numout,*) '~~~~~~~~' |
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78 | WRITE(numout,*) ' Namelist namwad' |
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79 | WRITE(numout,*) ' Logical activation ln_wd = ', ln_wd |
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80 | WRITE(numout,*) ' Minimum wet depth on dried cells rn_wdmin1 = ', rn_wdmin1 |
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81 | WRITE(numout,*) ' Tolerance of min wet depth rn_wdmin2 = ', rn_wdmin2 |
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82 | WRITE(numout,*) ' land elevation threshold rn_wdld = ', rn_wdld |
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83 | WRITE(numout,*) ' Max iteration for W/D limiter nn_wdit = ', nn_wdit |
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84 | ENDIF |
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85 | ! |
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86 | IF(ln_wd) THEN |
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87 | ALLOCATE( wdmask(jpi,jpj), STAT=ierr ) |
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88 | IF( ierr /= 0 ) CALL ctl_stop('STOP', 'wad_init : Array allocation error') |
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89 | ENDIF |
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90 | ! |
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91 | END SUBROUTINE wad_init |
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92 | |
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93 | |
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94 | SUBROUTINE wad_lmt( sshb1, sshemp, z2dt ) |
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95 | !!---------------------------------------------------------------------- |
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96 | !! *** ROUTINE wad_lmt *** |
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97 | !! |
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98 | !! ** Purpose : generate flux limiters for wetting/drying |
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99 | !! |
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100 | !! ** Method : - Prevent negative depth occurring (Not ready for Agrif) |
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101 | !! |
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102 | !! ** Action : - calculate flux limiter and W/D flag |
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103 | !!---------------------------------------------------------------------- |
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104 | REAL(wp), DIMENSION(:,:), INTENT(inout) :: sshb1 |
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105 | REAL(wp), DIMENSION(:,:), INTENT(in) :: sshemp |
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106 | REAL(wp), INTENT(in) :: z2dt |
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107 | ! |
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108 | INTEGER :: ji, jj, jk, jk1 ! dummy loop indices |
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109 | INTEGER :: zflag ! local scalar |
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110 | REAL(wp) :: zcoef, zdep1, zdep2 ! local scalars |
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111 | REAL(wp) :: zzflxp, zzflxn ! local scalars |
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112 | REAL(wp) :: zdepwd ! local scalar, always wet cell depth |
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113 | REAL(wp) :: ztmp ! local scalars |
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114 | REAL(wp), POINTER, DIMENSION(:,:) :: zwdlmtu, zwdlmtv !: W/D flux limiters |
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115 | REAL(wp), POINTER, DIMENSION(:,:) :: zflxp, zflxn ! local 2D workspace |
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116 | REAL(wp), POINTER, DIMENSION(:,:) :: zflxu, zflxv ! local 2D workspace |
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117 | REAL(wp), POINTER, DIMENSION(:,:) :: zflxu1, zflxv1 ! local 2D workspace |
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118 | !!---------------------------------------------------------------------- |
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119 | ! |
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120 | |
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121 | IF( nn_timing == 1 ) CALL timing_start('wad_lmt') |
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122 | |
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123 | IF(ln_wd) THEN |
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124 | |
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125 | CALL wrk_alloc( jpi,jpj, zflxp, zflxn, zflxu, zflxv, zflxu1, zflxv1 ) |
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126 | CALL wrk_alloc( jpi,jpj, zwdlmtu, zwdlmtv) |
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127 | ! |
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128 | |
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129 | !IF(lwp) WRITE(numout,*) |
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130 | !IF(lwp) WRITE(numout,*) 'wad_lmt : wetting/drying limiters and velocity limiting' |
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131 | |
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132 | zflag = 0 |
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133 | zdepwd = 50._wp !maximum depth on which that W/D could possibly happen |
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134 | |
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135 | |
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136 | zflxp(:,:) = 0._wp |
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137 | zflxn(:,:) = 0._wp |
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138 | zflxu(:,:) = 0._wp |
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139 | zflxv(:,:) = 0._wp |
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140 | |
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141 | zwdlmtu(:,:) = 1._wp |
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142 | zwdlmtv(:,:) = 1._wp |
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143 | |
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144 | ! Horizontal Flux in u and v direction |
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145 | DO jk = 1, jpkm1 |
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146 | DO jj = 1, jpj |
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147 | DO ji = 1, jpi |
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148 | zflxu(ji,jj) = zflxu(ji,jj) + e3u_n(ji,jj,jk) * un(ji,jj,jk) * umask(ji,jj,jk) |
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149 | zflxv(ji,jj) = zflxv(ji,jj) + e3v_n(ji,jj,jk) * vn(ji,jj,jk) * vmask(ji,jj,jk) |
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150 | END DO |
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151 | END DO |
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152 | END DO |
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153 | |
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154 | zflxu(:,:) = zflxu(:,:) * e2u(:,:) |
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155 | zflxv(:,:) = zflxv(:,:) * e1v(:,:) |
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156 | |
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157 | wdmask(:,:) = 1 |
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158 | DO jj = 2, jpj |
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159 | DO ji = 2, jpi |
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160 | |
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161 | IF( tmask(ji,jj,1) == 0._wp ) CYCLE ! we don't care about land cells |
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162 | IF( ht_0 (ji,jj) > zdepwd ) CYCLE ! and cells which will unlikely go dried out |
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163 | |
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164 | zflxp(ji,jj) = max(zflxu(ji,jj), 0._wp) - min(zflxu(ji-1,jj), 0._wp) + & |
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165 | & max(zflxv(ji,jj), 0._wp) - min(zflxv(ji, jj-1), 0._wp) |
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166 | zflxn(ji,jj) = min(zflxu(ji,jj), 0._wp) - max(zflxu(ji-1,jj), 0._wp) + & |
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167 | & min(zflxv(ji,jj), 0._wp) - max(zflxv(ji, jj-1), 0._wp) |
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168 | |
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169 | zdep2 = ht_0(ji,jj) + sshb1(ji,jj) - rn_wdmin1 |
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170 | IF(zdep2 < 0._wp) THEN !add more safty, but not necessary |
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171 | !zdep2 = 0._wp |
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172 | sshb1(ji,jj) = rn_wdmin1 - ht_0(ji,jj) |
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173 | END IF |
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174 | ENDDO |
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175 | END DO |
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176 | |
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177 | |
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178 | !! start limiter iterations |
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179 | DO jk1 = 1, nn_wdit + 1 |
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180 | |
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181 | |
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182 | zflxu1(:,:) = zflxu(:,:) * zwdlmtu(:,:) |
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183 | zflxv1(:,:) = zflxv(:,:) * zwdlmtv(:,:) |
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184 | |
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185 | DO jj = 2, jpj |
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186 | DO ji = 2, jpi |
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187 | |
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188 | wdmask(ji,jj) = 0 |
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189 | IF( tmask(ji,jj,1) < 0.5_wp) CYCLE |
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190 | IF( ht_0(ji,jj) > zdepwd) CYCLE |
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191 | |
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192 | ztmp = e1e2t(ji,jj) |
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193 | |
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194 | zzflxp = max(zflxu1(ji,jj), 0._wp) - min(zflxu1(ji-1,jj), 0._wp) + & |
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195 | & max(zflxv1(ji,jj), 0._wp) - min(zflxv1(ji, jj-1), 0._wp) |
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196 | zzflxn = min(zflxu1(ji,jj), 0._wp) - max(zflxu1(ji-1,jj), 0._wp) + & |
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197 | & min(zflxv1(ji,jj), 0._wp) - max(zflxv1(ji, jj-1), 0._wp) |
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198 | |
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199 | zdep1 = (zzflxp + zzflxn) * z2dt / ztmp |
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200 | zdep2 = ht_0(ji,jj) + sshb1(ji,jj) - rn_wdmin1 - z2dt * sshemp(ji,jj) ! this one can be moved out of the loop |
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201 | |
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202 | IF(zdep1 > zdep2) THEN |
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203 | zflag = 1 |
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204 | wdmask(ji, jj) = 0 |
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205 | zcoef = ( ( zdep2 - rn_wdmin2 ) * ztmp - zzflxn * z2dt ) / ( zflxp(ji,jj) * z2dt ) |
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206 | zcoef = max(zcoef, 0._wp) |
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207 | IF(jk1 > nn_wdit) zcoef = 0._wp |
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208 | IF(zflxu1(ji, jj) > 0._wp) zwdlmtu(ji ,jj) = zcoef |
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209 | IF(zflxu1(ji-1,jj) < 0._wp) zwdlmtu(ji-1,jj) = zcoef |
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210 | IF(zflxv1(ji, jj) > 0._wp) zwdlmtv(ji ,jj) = zcoef |
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211 | IF(zflxv1(ji,jj-1) < 0._wp) zwdlmtv(ji,jj-1) = zcoef |
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212 | END IF |
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213 | END DO ! ji loop |
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214 | END DO ! jj loop |
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215 | |
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216 | CALL lbc_lnk( zwdlmtu, 'U', 1. ) |
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217 | CALL lbc_lnk( zwdlmtv, 'V', 1. ) |
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218 | |
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219 | IF(lk_mpp) CALL mpp_max(zflag) !max over the global domain |
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220 | |
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221 | IF(zflag == 0) EXIT |
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222 | |
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223 | zflag = 0 ! flag indicating if any further iteration is needed? |
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224 | END DO ! jk1 loop |
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225 | |
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226 | DO jk = 1, jpkm1 |
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227 | un(:,:,jk) = un(:,:,jk) * zwdlmtu(:, :) |
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228 | vn(:,:,jk) = vn(:,:,jk) * zwdlmtv(:, :) |
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229 | END DO |
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230 | |
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231 | CALL lbc_lnk( un, 'U', -1. ) |
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232 | CALL lbc_lnk( vn, 'V', -1. ) |
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233 | ! |
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234 | un_b(:,:) = un_b(:,:) * zwdlmtu(:, :) |
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235 | vn_b(:,:) = vn_b(:,:) * zwdlmtv(:, :) |
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236 | CALL lbc_lnk( un_b, 'U', -1. ) |
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237 | CALL lbc_lnk( vn_b, 'V', -1. ) |
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238 | |
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239 | IF(zflag == 1 .AND. lwp) WRITE(numout,*) 'Need more iterations in wad_lmt!!!' |
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240 | |
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241 | !IF( ln_rnf ) CALL sbc_rnf_div( hdivn ) ! runoffs (update hdivn field) |
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242 | !IF( nn_cla == 1 ) CALL cla_div ( kt ) ! Cross Land Advection (update hdivn field) |
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243 | ! |
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244 | ! |
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245 | CALL wrk_dealloc( jpi, jpj, zflxp, zflxn, zflxu, zflxv, zflxu1, zflxv1 ) |
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246 | CALL wrk_dealloc( jpi, jpj, zwdlmtu, zwdlmtv) |
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247 | ! |
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248 | ENDIF |
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249 | ! |
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250 | IF( nn_timing == 1 ) CALL timing_stop('wad_lmt') |
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251 | ! |
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252 | END SUBROUTINE wad_lmt |
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253 | |
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254 | |
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255 | SUBROUTINE wad_lmt_bt( zflxu, zflxv, sshn_e, zssh_frc, rdtbt ) |
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256 | !!---------------------------------------------------------------------- |
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257 | !! *** ROUTINE wad_lmt *** |
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258 | !! |
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259 | !! ** Purpose : limiting flux in the barotropic stepping (dynspg_ts) |
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260 | !! |
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261 | !! ** Method : - Prevent negative depth occurring (Not ready for Agrif) |
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262 | !! |
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263 | !! ** Action : - calculate flux limiter and W/D flag |
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264 | !!---------------------------------------------------------------------- |
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265 | REAL(wp), INTENT(in) :: rdtbt ! ocean time-step index |
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266 | REAL(wp), DIMENSION(:,:), INTENT(inout) :: zflxu, zflxv, sshn_e, zssh_frc |
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267 | ! |
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268 | INTEGER :: ji, jj, jk, jk1 ! dummy loop indices |
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269 | INTEGER :: zflag ! local scalar |
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270 | REAL(wp) :: z2dt |
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271 | REAL(wp) :: zcoef, zdep1, zdep2 ! local scalars |
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272 | REAL(wp) :: zzflxp, zzflxn ! local scalars |
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273 | REAL(wp) :: zdepwd ! local scalar, always wet cell depth |
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274 | REAL(wp) :: ztmp ! local scalars |
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275 | REAL(wp), POINTER, DIMENSION(:,:) :: zwdlmtu, zwdlmtv !: W/D flux limiters |
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276 | REAL(wp), POINTER, DIMENSION(:,:) :: zflxp, zflxn ! local 2D workspace |
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277 | REAL(wp), POINTER, DIMENSION(:,:) :: zflxu1, zflxv1 ! local 2D workspace |
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278 | !!---------------------------------------------------------------------- |
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279 | ! |
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280 | IF( nn_timing == 1 ) CALL timing_start('wad_lmt_bt') |
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281 | |
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282 | IF(ln_wd) THEN |
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283 | |
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284 | CALL wrk_alloc( jpi, jpj, zflxp, zflxn, zflxu1, zflxv1 ) |
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285 | CALL wrk_alloc( jpi, jpj, zwdlmtu, zwdlmtv) |
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286 | ! |
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287 | |
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288 | !IF(lwp) WRITE(numout,*) |
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289 | !IF(lwp) WRITE(numout,*) 'wad_lmt_bt : wetting/drying limiters and velocity limiting' |
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290 | |
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291 | zflag = 0 |
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292 | zdepwd = 50._wp !maximum depth that ocean cells can have W/D processes |
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293 | |
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294 | z2dt = rdtbt |
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295 | |
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296 | zflxp(:,:) = 0._wp |
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297 | zflxn(:,:) = 0._wp |
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298 | !zflxu(:,:) = 0._wp |
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299 | !zflxv(:,:) = 0._wp |
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300 | |
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301 | zwdlmtu(:,:) = 1._wp |
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302 | zwdlmtv(:,:) = 1._wp |
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303 | |
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304 | ! Horizontal Flux in u and v direction |
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305 | |
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306 | DO jj = 2, jpj |
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307 | DO ji = 2, jpi |
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308 | |
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309 | IF(tmask(ji,jj,1) < 0.5_wp) CYCLE ! we don't care about land cells |
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310 | IF(ht_0 (ji,jj) > zdepwd) CYCLE ! and cells which will unlikely go dried out |
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311 | |
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312 | zflxp(ji,jj) = max(zflxu(ji,jj), 0._wp) - min(zflxu(ji-1,jj), 0._wp) + & |
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313 | & max(zflxv(ji,jj), 0._wp) - min(zflxv(ji, jj-1), 0._wp) |
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314 | zflxn(ji,jj) = min(zflxu(ji,jj), 0._wp) - max(zflxu(ji-1,jj), 0._wp) + & |
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315 | & min(zflxv(ji,jj), 0._wp) - max(zflxv(ji, jj-1), 0._wp) |
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316 | |
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317 | zdep2 = ht_0(ji,jj) + sshn_e(ji,jj) - rn_wdmin1 |
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318 | ENDDO |
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319 | END DO |
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320 | |
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321 | |
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322 | !! start limiter iterations |
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323 | DO jk1 = 1, nn_wdit + 1 |
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324 | |
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325 | |
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326 | zflxu1(:,:) = zflxu(:,:) * zwdlmtu(:,:) |
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327 | zflxv1(:,:) = zflxv(:,:) * zwdlmtv(:,:) |
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328 | |
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329 | DO jj = 2, jpj |
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330 | DO ji = 2, jpi |
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331 | |
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332 | IF(tmask(ji,jj,1) < 0.5_wp) CYCLE |
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333 | IF(ht_0 (ji,jj) > zdepwd) CYCLE |
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334 | |
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335 | ztmp = e1e2t(ji,jj) |
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336 | |
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337 | zzflxp = max(zflxu1(ji,jj), 0._wp) - min(zflxu1(ji-1,jj), 0._wp) + & |
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338 | & max(zflxv1(ji,jj), 0._wp) - min(zflxv1(ji, jj-1), 0._wp) |
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339 | zzflxn = min(zflxu1(ji,jj), 0._wp) - max(zflxu1(ji-1,jj), 0._wp) + & |
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340 | & min(zflxv1(ji,jj), 0._wp) - max(zflxv1(ji, jj-1), 0._wp) |
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341 | |
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342 | zdep1 = (zzflxp + zzflxn) * z2dt / ztmp |
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343 | zdep2 = ht_0(ji,jj) + sshn_e(ji,jj) - rn_wdmin1 ! this one can be moved out of the loop |
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344 | zdep2 = zdep2 - z2dt * zssh_frc(ji,jj) |
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345 | |
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346 | IF(zdep1 > zdep2) THEN |
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347 | zflag = 1 |
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348 | !wdmask(ji, jj) = 1 |
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349 | zcoef = ( ( zdep2 - rn_wdmin2 ) * ztmp - zzflxn * z2dt ) / ( zflxp(ji,jj) * z2dt ) |
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350 | zcoef = max(zcoef, 0._wp) |
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351 | IF(jk1 > nn_wdit) zcoef = 0._wp |
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352 | IF(zflxu1(ji, jj) > 0._wp) zwdlmtu(ji ,jj) = zcoef |
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353 | IF(zflxu1(ji-1,jj) < 0._wp) zwdlmtu(ji-1,jj) = zcoef |
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354 | IF(zflxv1(ji, jj) > 0._wp) zwdlmtv(ji ,jj) = zcoef |
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355 | IF(zflxv1(ji,jj-1) < 0._wp) zwdlmtv(ji,jj-1) = zcoef |
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356 | END IF |
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357 | END DO ! ji loop |
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358 | END DO ! jj loop |
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359 | |
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360 | CALL lbc_lnk( zwdlmtu, 'U', 1. ) |
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361 | CALL lbc_lnk( zwdlmtv, 'V', 1. ) |
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362 | |
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363 | IF(lk_mpp) CALL mpp_max(zflag) !max over the global domain |
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364 | |
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365 | IF(zflag == 0) EXIT |
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366 | |
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367 | zflag = 0 ! flag indicating if any further iteration is needed? |
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368 | END DO ! jk1 loop |
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369 | |
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370 | zflxu(:,:) = zflxu(:,:) * zwdlmtu(:, :) |
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371 | zflxv(:,:) = zflxv(:,:) * zwdlmtv(:, :) |
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372 | |
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373 | CALL lbc_lnk( zflxu, 'U', -1. ) |
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374 | CALL lbc_lnk( zflxv, 'V', -1. ) |
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375 | |
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376 | IF(zflag == 1 .AND. lwp) WRITE(numout,*) 'Need more iterations in wad_lmt_bt!!!' |
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377 | |
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378 | !IF( ln_rnf ) CALL sbc_rnf_div( hdivn ) ! runoffs (update hdivn field) |
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379 | !IF( nn_cla == 1 ) CALL cla_div ( kt ) ! Cross Land Advection (update hdivn field) |
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380 | ! |
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381 | ! |
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382 | CALL wrk_dealloc( jpi, jpj, zflxp, zflxn, zflxu1, zflxv1 ) |
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383 | CALL wrk_dealloc( jpi, jpj, zwdlmtu, zwdlmtv) |
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384 | ! |
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385 | END IF |
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386 | |
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387 | IF( nn_timing == 1 ) CALL timing_stop('wad_lmt') |
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388 | END SUBROUTINE wad_lmt_bt |
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389 | |
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390 | SUBROUTINE wad_istate |
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391 | !!---------------------------------------------------------------------- |
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392 | !! *** ROUTINE wad_istate *** |
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393 | !! |
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394 | !! ** Purpose : Initialization of the dynamics and tracers for WAD test |
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395 | !! configurations (channels or bowls with initial ssh gradients) |
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396 | !! |
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397 | !! ** Method : - set temperature field |
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398 | !! - set salinity field |
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399 | !! - set ssh slope (needs to be repeated in domvvl_rst_init to |
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400 | !! set vertical metrics ) |
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401 | !!---------------------------------------------------------------------- |
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402 | ! |
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403 | INTEGER :: ji, jj ! dummy loop indices |
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404 | REAL(wp) :: zi, zj |
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405 | !!---------------------------------------------------------------------- |
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406 | ! |
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407 | ! Uniform T & S in all test cases |
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408 | tsn(:,:,:,jp_tem) = 10._wp |
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409 | tsb(:,:,:,jp_tem) = 10._wp |
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410 | tsn(:,:,:,jp_sal) = 35._wp |
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411 | tsb(:,:,:,jp_sal) = 35._wp |
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412 | SELECT CASE ( jp_cfg ) |
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413 | ! ! ==================== |
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414 | CASE ( 1 ) ! WAD 1 configuration |
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415 | ! ! ==================== |
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416 | ! |
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417 | IF(lwp) WRITE(numout,*) |
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418 | IF(lwp) WRITE(numout,*) 'istate_wad : Closed box with EW linear bottom slope' |
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419 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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420 | ! |
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421 | do ji = 1,jpi |
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422 | sshn(ji,:) = ( -5.5_wp + 5.5_wp*FLOAT(mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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423 | end do |
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424 | ! ! ==================== |
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425 | CASE ( 2 ) ! WAD 2 configuration |
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426 | ! ! ==================== |
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427 | ! |
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428 | IF(lwp) WRITE(numout,*) |
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429 | IF(lwp) WRITE(numout,*) 'istate_wad : Parobolic EW channel, mid-range initial ssh slope' |
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430 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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431 | ! |
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432 | do ji = 1,jpi |
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433 | sshn(ji,:) = ( -5.5_wp + 3.9_wp*FLOAT(jpidta - mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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434 | end do |
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435 | ! ! ==================== |
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436 | CASE ( 3 ) ! WAD 3 configuration |
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437 | ! ! ==================== |
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438 | ! |
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439 | IF(lwp) WRITE(numout,*) |
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440 | IF(lwp) WRITE(numout,*) 'istate_wad : Parobolic EW channel, extreme initial ssh slope' |
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441 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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442 | ! |
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443 | do ji = 1,jpi |
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444 | sshn(ji,:) = ( -7.5_wp + 6.9_wp*FLOAT(jpidta - mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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445 | end do |
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446 | |
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447 | ! |
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448 | ! ! ==================== |
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449 | CASE ( 4 ) ! WAD 4 configuration |
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450 | ! ! ==================== |
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451 | ! |
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452 | IF(lwp) WRITE(numout,*) |
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453 | IF(lwp) WRITE(numout,*) 'istate_wad : Parobolic bowl, mid-range initial ssh slope' |
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454 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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455 | ! |
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456 | DO ji = 1, jpi |
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457 | zi = MAX(1.0-FLOAT((mig(ji)-25)**2)/400.0, 0.0 ) |
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458 | DO jj = 1, jpj |
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459 | zj = MAX(1.0-FLOAT((mjg(jj)-17)**2)/144.0, 0.0 ) |
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460 | sshn(ji,jj) = -8.5_wp + 8.5_wp*zi*zj |
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461 | END DO |
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462 | END DO |
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463 | |
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464 | ! |
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465 | ! ! =========================== |
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466 | CASE ( 5 ) ! WAD 5 configuration |
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467 | ! ! ==================== |
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468 | ! |
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469 | IF(lwp) WRITE(numout,*) |
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470 | IF(lwp) WRITE(numout,*) 'istate_wad : Double slope with shelf' |
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471 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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472 | ! |
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473 | ! Needed rn_wdmin2 increased to 0.01 for this case? |
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474 | do ji = 1,jpi |
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475 | sshn(ji,:) = ( -5.5_wp + 9.0_wp*FLOAT(mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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476 | end do |
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477 | |
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478 | ! |
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479 | ! ! =========================== |
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480 | CASE ( 6 ) ! WAD 6 configuration |
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481 | ! ! ==================== |
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482 | ! |
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483 | IF(lwp) WRITE(numout,*) |
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484 | IF(lwp) WRITE(numout,*) 'istate_wad : Parobolic EW channel with gaussian ridge' |
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485 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~' |
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486 | ! |
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487 | do ji = 1,jpi |
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488 | !6a |
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489 | sshn(ji,:) = ( -5.5_wp + 9.0_wp*FLOAT(jpidta - mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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490 | !Some variations in initial slope that have been tested |
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491 | !6b |
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492 | !sshn(ji,:) = ( -5.5_wp + 6.5_wp*FLOAT(jpidta - mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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493 | !6c |
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494 | !sshn(ji,:) = ( -5.5_wp + 7.5_wp*FLOAT(jpidta - mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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495 | !6d |
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496 | !sshn(ji,:) = ( -4.5_wp + 8.0_wp*FLOAT(jpidta - mig(ji))/FLOAT(jpidta-1))*tmask(ji,:,1) |
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497 | end do |
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498 | |
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499 | ! |
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500 | ! ! =========================== |
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501 | CASE DEFAULT ! NONE existing configuration |
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502 | ! ! =========================== |
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503 | WRITE(ctmp1,*) 'WAD test with a ', jp_cfg,' option is not coded' |
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504 | ! |
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505 | CALL ctl_stop( ctmp1 ) |
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506 | ! |
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507 | END SELECT |
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508 | ! |
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509 | ! Apply minimum wetdepth criterion |
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510 | ! |
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511 | do jj = 1,jpj |
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512 | do ji = 1,jpi |
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513 | IF( bathy(ji,jj) + sshn(ji,jj) < rn_wdmin1 ) THEN |
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514 | sshn(ji,jj) = tmask(ji,jj,1)*( rn_wdmin1 - bathy(ji,jj) ) |
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515 | ENDIF |
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516 | end do |
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517 | end do |
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518 | sshb = sshn |
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519 | ssha = sshn |
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520 | ! |
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521 | END SUBROUTINE wad_istate |
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522 | |
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523 | !!============================================================================== |
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524 | END MODULE wet_dry |
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