1 | MODULE dombat |
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2 | |
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3 | USE dom_oce ! ocean domain |
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4 | ! |
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5 | USE in_out_manager ! I/O manager |
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6 | USE iom ! I/O library |
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7 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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8 | USE lib_mpp ! distributed memory computing library |
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9 | #if defined key_agrif |
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10 | USE agrif_modutil |
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11 | USE agrif_parameters |
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12 | #endif |
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13 | USE bilinear_interp |
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14 | |
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15 | IMPLICIT NONE |
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16 | PRIVATE |
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17 | |
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18 | PUBLIC dom_bat ! called by dom_zgr.F90 |
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19 | |
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20 | CONTAINS |
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21 | |
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22 | SUBROUTINE dom_bat |
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23 | |
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24 | INTEGER :: inum, id, ji, jj,ji1,jj1 |
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25 | INTEGER :: iimin,iimax,jjmin,jjmax |
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26 | INTEGER :: tabdim1, tabdim2, nxhr, nyhr, nxyhr |
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27 | INTEGER, DIMENSION(2) :: ddims |
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28 | INTEGER, DIMENSION(3) :: status |
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29 | INTEGER, DIMENSION(1) :: i_min,i_max |
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30 | INTEGER, DIMENSION(1) :: j_min,j_max |
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31 | INTEGER, DIMENSION(:) ,ALLOCATABLE :: src_add,dst_add |
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32 | INTEGER, DIMENSION(:,:), ALLOCATABLE :: trouble_points , vardep,mask_oce |
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33 | REAL(wp) ,DIMENSION(jpi,jpj):: Cell_lonmin, Cell_lonmax, Cell_latmin, Cell_latmax |
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34 | REAL(wp) ::zdel |
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35 | REAL(wp), DIMENSION(:) , ALLOCATABLE :: lon_new1D , lat_new1D, vardep1d |
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36 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: coarselon, coarselat, coarsebathy, bathy_test |
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37 | REAL(wp), DIMENSION(:,:),ALLOCATABLE :: matrix,interpdata |
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38 | LOGICAL :: lonlat_2D, ln_pacifiq |
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39 | LOGICAL :: identical_grids |
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40 | LOGICAL, DIMENSION(:,:), ALLOCATABLE :: masksrc |
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41 | REAL(wp), DIMENSION(jpi,jpj) :: zglamt, zgphi, zglamu, zglamv, zglamf |
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42 | REAL(wp) :: zshift |
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43 | |
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44 | CHARACTER(32) :: bathyfile, bathyname, lonname,latname |
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45 | |
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46 | bathyfile=TRIM(cn_topo) |
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47 | bathyname=TRIM(cn_bath) |
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48 | lonname=TRIM(cn_lon) |
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49 | latname=TRIM(cn_lat) |
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50 | |
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51 | CALL iom_open( bathyfile, inum, lagrif=.FALSE. ) |
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52 | |
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53 | ! check if lon/lat are 2D arrays |
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54 | id = iom_varid( inum, lonname, ddims ) |
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55 | IF (ddims(2)==0) THEN |
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56 | lonlat_2D = .FALSE. |
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57 | ELSE |
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58 | lonlat_2D = .TRUE. |
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59 | ENDIF |
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60 | |
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61 | id = iom_varid( inum, bathyname, ddims ) |
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62 | ln_pacifiq = .FALSE. |
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63 | zglamt(:,:) = glamt(:,:) |
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64 | zglamu(:,:) = glamu(:,:) |
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65 | zglamv(:,:) = glamv(:,:) |
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66 | zglamf(:,:) = glamf(:,:) |
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67 | |
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68 | IF( glamt(1,1) .GT. glamt(jpi,jpj) ) ln_pacifiq =.false. |
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69 | |
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70 | zshift = 0. |
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71 | IF( ln_pacifiq ) THEN |
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72 | zshift = 0.!Abs(minval(glamt)) +0.1 |
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73 | WHERE ( glamt < 0 ) |
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74 | zglamt = zglamt + zshift + 360. |
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75 | END WHERE |
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76 | WHERE ( glamu < 0 ) |
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77 | zglamu = zglamu + zshift +360. |
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78 | END WHERE |
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79 | WHERE ( glamv < 0 ) |
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80 | zglamv = zglamv + zshift +360. |
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81 | END WHERE |
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82 | WHERE ( glamf < 0 ) |
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83 | zglamf = zglamf + zshift +360. |
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84 | END WHERE |
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85 | ENDIF |
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86 | |
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87 | status=-1 |
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88 | |
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89 | IF (lonlat_2D) THEN |
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90 | ! here implicitly it's old topo database (orca format) |
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91 | ALLOCATE(coarselon (ddims(1),ddims(2)), STAT=status(1)) |
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92 | ALLOCATE(coarselat (ddims(1),ddims(2)), STAT=status(2)) |
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93 | ALLOCATE(coarsebathy(ddims(1),ddims(2)), STAT=status(3)) |
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94 | IF( sum(status) /= 0 ) CALL ctl_stop( 'STOP', 'dom_bat : unable to allocate arrays' ) |
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95 | CALL iom_get ( inum, jpdom_unknown, lonname, coarselon ) |
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96 | CALL iom_get ( inum, jpdom_unknown, latname, coarselat ) |
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97 | CALL iom_get ( inum, jpdom_unknown, bathyname, coarsebathy ) |
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98 | CALL iom_close (inum) |
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99 | IF( ln_pacifiq ) THEN |
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100 | ! WHERE(coarselon < 0.00001) |
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101 | coarselon = Coarselon + zshift |
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102 | ! END WHERE |
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103 | ENDIF |
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104 | ! equivalent to new database |
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105 | ELSE |
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106 | ALLOCATE(lon_new1D(ddims(1)), lat_new1D(ddims(2))) |
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107 | CALL iom_get ( inum, jpdom_unknown, lonname, lon_new1D ) |
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108 | CALL iom_get ( inum, jpdom_unknown, latname, lat_new1D ) |
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109 | IF( ln_pacifiq ) THEN |
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110 | WHERE(lon_new1D < 0.00001) |
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111 | lon_new1D = lon_new1D +360.!zshift |
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112 | END WHERE |
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113 | ENDIF |
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114 | zdel = 0.00 |
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115 | IF( MAXVAL(zglamf) > 180 + zshift ) THEN |
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116 | ! |
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117 | ! WHERE( lon_new1D < 0 ) |
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118 | ! lon_new1D = lon_new1D + 360. |
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119 | ! END WHERE |
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120 | ! |
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121 | i_min = MAXLOC(lon_new1D,mask = lon_new1D < MINVAL(zglamf(1:jpi-1,1:jpj-1)) ) |
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122 | i_max = MINLOC(lon_new1D,mask = lon_new1D > MAXVAL(zglamf(1:jpi-1,1:jpj-1)) ) |
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123 | j_min = MAXLOC(lat_new1D,mask = lat_new1D < MINVAL( gphif(1:jpi-1,1:jpj-1)) ) |
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124 | j_max = MINLOC(lat_new1D,mask = lat_new1D > MAXVAL( gphif(1:jpi-1,1:jpj-1)) ) |
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125 | ! |
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126 | tabdim1 = ( SIZE(lon_new1D) - i_min(1) + 1 ) + i_max(1) |
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127 | ! |
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128 | IF(j_min(1)-2 >= 1 .AND. j_max(1)+3 <= SIZE(lat_new1D,1) ) THEN |
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129 | j_min(1) = j_min(1) - 2 |
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130 | j_max(1) = j_max(1)+ 3 |
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131 | ENDIF |
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132 | tabdim2 = j_max(1) - j_min(1) + 1 |
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133 | ! |
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134 | ALLOCATE(coarselon (tabdim1,tabdim2), STAT=status(1)) |
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135 | ALLOCATE(coarselat (tabdim1,tabdim2), STAT=status(2)) |
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136 | ALLOCATE(Coarsebathy(tabdim1,tabdim2), STAT=status(3)) |
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137 | |
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138 | IF( SUM(status) /= 0 ) CALL ctl_stop( 'STOP', 'dom_bat : unable to allocate arrays' ) |
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139 | ! |
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140 | DO ji = 1,tabdim1 |
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141 | coarselat(ji,:) = lat_new1D(j_min(1):j_max(1)) |
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142 | END DO |
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143 | |
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144 | ! |
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145 | DO jj = 1, tabdim2 |
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146 | coarselon(1:SIZE(lon_new1D)-i_min(1)+1 ,jj) = lon_new1D(i_min(1):SIZE(lon_new1D)) |
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147 | coarselon(2+SIZE(lon_new1D)-i_min(1):tabdim1,jj) = lon_new1D(1:i_max(1)) |
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148 | END DO |
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149 | ! |
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150 | CALL iom_get(inum, jpdom_unknown, bathyname,coarsebathy(1:SIZE(lon_new1D)-i_min(1)+1,:), & |
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151 | kstart=(/i_min(1),j_min(1)/), kcount=(/SIZE(lon_new1D)-i_min(1)+1,tabdim2/)) ! +1? |
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152 | ! |
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153 | CALL iom_get(inum, jpdom_unknown, bathyname,coarsebathy(2+SIZE(lon_new1D)-i_min(1):tabdim1,:), & |
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154 | kstart=(/1,j_min(1)/),kcount=(/i_max(1),tabdim2/)) |
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155 | ! |
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156 | ELSE |
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157 | ! WHERE( lon_new1D > (180. + zshift) ) lon_new1D = lon_new1D - 360. |
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158 | i_min = MAXLOC(lon_new1D,mask = lon_new1D < MINVAL(zglamf)-zdel) |
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159 | i_max = MINLOC(lon_new1D,mask = lon_new1D > MAXVAL(zglamf)+zdel) |
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160 | j_min = MAXLOC(lat_new1D,mask = lat_new1D < MINVAL(gphif)-zdel) |
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161 | j_max = MINLOC(lat_new1D,mask = lat_new1D > MAXVAL(gphif)+zdel) |
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162 | |
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163 | i_min(1)=max(i_min(1),1) |
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164 | ! |
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165 | IF(i_min(1)-2 >= 1 .AND. i_max(1)+3 <= SIZE(lon_new1D,1) ) THEN |
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166 | i_min(1) = i_min(1)-2 |
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167 | i_max(1) = i_max(1)+3 |
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168 | ENDIF |
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169 | tabdim1 = i_max(1) - i_min(1) + 1 |
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170 | ! |
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171 | IF(j_min(1)-2 >= 1 .AND. j_max(1)+3 <= SIZE(lat_new1D,1) ) THEN |
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172 | j_min(1) = j_min(1)-2 |
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173 | j_max(1) = j_max(1)+3 |
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174 | ENDIF |
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175 | tabdim2 = j_max(1) - j_min(1) + 1 |
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176 | ! |
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177 | ALLOCATE(coarselon (tabdim1,tabdim2), STAT=status(1)) |
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178 | ALLOCATE(coarselat (tabdim1,tabdim2), STAT=status(2)) |
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179 | ALLOCATE(coarsebathy(tabdim1,tabdim2), STAT=status(3)) |
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180 | |
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181 | IF( SUM(status) /= 0 ) CALL ctl_stop( 'STOP', 'dom_bat : unable to allocate arrays' ) |
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182 | ! |
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183 | DO jj = 1,tabdim2 |
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184 | coarselon(:,jj) = lon_new1D(i_min(1):i_max(1)) |
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185 | END DO |
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186 | ! |
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187 | DO ji = 1,tabdim1 |
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188 | coarselat(ji,:) = lat_new1D(j_min(1):j_max(1)) |
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189 | END DO |
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190 | ! |
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191 | CALL iom_get(inum,jpdom_unknown,bathyname,coarsebathy, & |
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192 | & kstart=(/i_min(1),j_min(1)/),kcount=(/tabdim1,tabdim2/)) |
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193 | ! |
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194 | ENDIF ! > 180 |
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195 | |
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196 | DEALLOCATE(lon_new1D) ; DEALLOCATE(lat_new1D) |
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197 | CALL iom_close (inum) |
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198 | |
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199 | coarsebathy = coarsebathy *rn_scale |
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200 | ! reset land to 0 |
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201 | WHERE (coarsebathy < 0.) |
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202 | coarsebathy=0. |
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203 | ENDWHERE |
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204 | |
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205 | ENDIF ! external |
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206 | |
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207 | IF(lwp) THEN |
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208 | WRITE(numout,*) 'Interpolation of high resolution bathymetry on child grid' |
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209 | IF( nn_interp == 0 ) THEN |
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210 | WRITE(numout,*) 'Arithmetic average ...' |
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211 | ELSE IF( nn_interp == 1 ) THEN |
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212 | WRITE(numout,*) 'Median average ...' |
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213 | ELSE IF( nn_interp == 2 ) THEN |
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214 | WRITE(numout,*) 'Bilinear interpolation ...' |
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215 | ELSE |
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216 | WRITE(*,*) 'bad value for nn_interp variable ( must be 0,1 or 2 )' |
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217 | STOP |
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218 | ENDIF |
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219 | ENDIF |
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220 | bathy(:,:) = 0. |
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221 | ! |
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222 | !------------------------------------ |
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223 | !MEDIAN AVERAGE or ARITHMETIC AVERAGE |
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224 | !------------------------------------ |
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225 | ! |
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226 | IF( nn_interp == 0 .OR. nn_interp == 1 ) THEN |
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227 | ! |
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228 | ALLOCATE(trouble_points(jpi,jpj)) |
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229 | trouble_points = 0 |
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230 | ! |
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231 | ! POINT DETECTION |
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232 | ! |
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233 | ! |
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234 | DO jj = 1,jpj |
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235 | DO ji = 1,jpi |
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236 | ! |
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237 | ! FINE GRID CELLS DEFINITION |
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238 | ji1=max(ji-1,1) |
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239 | jj1=max(jj-1,1) |
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240 | |
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241 | ! |
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242 | Cell_lonmin(ji,jj) = MIN(zglamf(ji1,jj1),zglamf(ji,jj1),zglamf(ji,jj),zglamf(ji1,jj)) |
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243 | Cell_lonmax(ji,jj) = MAX(zglamf(ji1,jj1),zglamf(ji,jj1),zglamf(ji,jj),zglamf(ji1,jj)) |
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244 | Cell_latmin(ji,jj) = MIN(gphif(ji1,jj1),gphif(ji,jj1),gphif(ji,jj),gphif(ji1,jj)) |
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245 | Cell_latmax(ji,jj) = MAX(gphif(ji1,jj1),gphif(ji,jj1),gphif(ji,jj),gphif(ji1,jj)) |
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246 | IF( ABS(Cell_lonmax(ji,jj) - Cell_lonmin(ji,jj) ) > 180 ) THEN |
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247 | zdel = Cell_lonmax(ji,jj) |
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248 | Cell_lonmax(ji,jj) = Cell_lonmin(ji,jj) |
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249 | Cell_lonmin(ji,jj) = zdel-360 |
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250 | ENDIF |
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251 | ! |
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252 | ! SEARCH FOR ALL POINTS CONTAINED IN THIS CELL |
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253 | ! |
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254 | ! ENDDO |
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255 | ! ENDDO |
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256 | ! CALL lbc_lnk( 'dom_bat', Cell_lonmin, 'T', 1. ) |
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257 | ! CALL lbc_lnk( 'dom_bat', Cell_lonmax, 'T', 1. ) |
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258 | ! CALL lbc_lnk( 'dom_bat', Cell_latmin, 'T', 1. ) |
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259 | ! CALL lbc_lnk( 'dom_bat', Cell_latmax, 'T', 1. ) |
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260 | |
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261 | |
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262 | ! DO jj = 2,jpj |
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263 | ! DO ji = 2,jpi |
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264 | iimin = 1 |
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265 | DO WHILE( coarselon(iimin,1) < Cell_lonmin(ji,jj) ) |
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266 | iimin = iimin + 1 |
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267 | ! IF ( iimin .LE. 1 ) THEN |
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268 | ! iimin = 1 |
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269 | ! EXIT |
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270 | ! ENDIF |
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271 | ENDDO |
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272 | ! |
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273 | jjmin = 1 |
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274 | DO WHILE( coarselat(iimin,jjmin) < Cell_latmin(ji,jj) ) |
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275 | jjmin = jjmin + 1 |
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276 | ! IF ( iimin .LE. 1 ) THEN |
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277 | ! iimin = 1 |
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278 | ! EXIT |
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279 | ! ENDIF |
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280 | ENDDO |
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281 | jjmin=max(1,jjmin) |
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282 | ! |
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283 | iimax = iimin |
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284 | DO WHILE( coarselon(iimax,1)<= Cell_lonmax(ji,jj) ) |
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285 | iimax = iimax + 1 |
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286 | IF ( iimax .GE. SIZE(coarsebathy,1) ) THEN |
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287 | iimax = MIN( iimax,SIZE(coarsebathy,1)) |
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288 | EXIT |
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289 | ENDIF |
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290 | ENDDO |
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291 | ! |
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292 | jjmax = jjmin |
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293 | DO WHILE( coarselat(iimax,jjmax) <= Cell_latmax(ji,jj) ) |
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294 | jjmax = jjmax + 1 |
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295 | IF ( jjmax .GE. SIZE(coarsebathy,2) ) THEN |
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296 | jjmax = MIN( jjmax,SIZE(coarsebathy,2)) |
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297 | EXIT |
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298 | ENDIF |
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299 | ENDDO |
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300 | ! |
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301 | ! iimax = iimax-1 |
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302 | ! jjmax = jjmax-1 |
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303 | ! |
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304 | iimin = MAX( iimin,1 ) |
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305 | jjmin = MAX( jjmin,1 ) |
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306 | iimax = MIN( iimax,SIZE(coarsebathy,1)) |
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307 | jjmax = MIN( jjmax,SIZE(coarsebathy,2)) |
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308 | |
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309 | nxhr = iimax - iimin + 1 |
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310 | nyhr = jjmax - jjmin + 1 |
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311 | |
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312 | |
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313 | |
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314 | IF( nxhr == 0 .OR. nyhr == 0 ) THEN |
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315 | trouble_points(ji,jj) = 1 |
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316 | ELSE |
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317 | ALLOCATE( vardep(nxhr,nyhr) ) |
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318 | ALLOCATE( mask_oce(nxhr,nyhr) ) |
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319 | mask_oce = 0 |
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320 | vardep(:,:) = coarsebathy(iimin:iimax,jjmin:jjmax) |
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321 | WHERE( vardep(:,:) .GT. 0. ) |
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322 | mask_oce = 1 |
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323 | ENDWHERE |
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324 | nxyhr = nxhr*nyhr |
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325 | ! IF( SUM(mask_oce) == 0 ) THEN |
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326 | IF( SUM(mask_oce) < 0.5*(nxhr*nyhr) ) THEN |
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327 | bathy(ji,jj) = 0. |
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328 | ELSE |
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329 | IF( nn_interp == 0 ) THEN |
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330 | ! Arithmetic average |
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331 | bathy(ji,jj) = SUM (vardep(:,:)*mask_oce(:,:))/SUM(mask_oce) |
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332 | ELSE |
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333 | ! Median average |
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334 | ! |
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335 | ALLOCATE(vardep1d(nxhr*nyhr)) |
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336 | vardep1d = RESHAPE(vardep,(/ nxhr*nyhr /) ) |
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337 | ! CALL ssort(vardep1d,nxhr*nyhr) |
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338 | CALL quicksort(vardep1d,1,nxhr*nyhr) |
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339 | ! |
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340 | ! Calculate median |
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341 | ! |
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342 | IF (MOD(SUM(mask_oce),2) .NE. 0) THEN |
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343 | bathy(ji,jj) = vardep1d( nxyhr/2 + 1 ) |
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344 | ELSE |
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345 | bathy(ji,jj) =0.5 * ( vardep1d(nxyhr/2) + vardep1d(nxyhr/2+1) ) |
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346 | END IF |
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347 | DEALLOCATE(vardep1d) |
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348 | ENDIF |
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349 | ENDIF |
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350 | DEALLOCATE (mask_oce,vardep) |
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351 | ENDIF |
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352 | ENDDO |
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353 | ENDDO |
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354 | |
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355 | IF( SUM( trouble_points ) > 0 ) THEN |
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356 | CALL ctl_warn ('too much empty cells, proceed to bilinear interpolation') |
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357 | nn_interp = 2 |
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358 | ENDIF |
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359 | ENDIF |
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360 | |
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361 | ! |
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362 | ! create logical array masksrc |
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363 | ! |
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364 | IF( nn_interp == 2) THEN |
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365 | ! |
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366 | identical_grids = .FALSE. |
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367 | |
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368 | # ifdef key_agrif |
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369 | IF( Agrif_Parent(jpi) == jpi .AND. & |
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370 | Agrif_Parent(jpj) == jpj ) THEN |
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371 | IF( MAXVAL( ABS(coarselat(:,:)- gphit(:,:)) ) < 0.0001 .AND. & |
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372 | MAXVAL( ABS(coarselon(:,:)- gphit(:,:)) ) < 0.0001 ) THEN |
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373 | bathy(:,:) = coarsebathy(:,:) |
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374 | IF(lwp) WRITE(numout,*) 'same grid between ', bathyname,' and child domain' |
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375 | identical_grids = .TRUE. |
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376 | ENDIF |
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377 | ENDIF |
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378 | # endif |
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379 | IF( .NOT. identical_grids ) THEN |
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380 | ALLOCATE(masksrc(SIZE(coarsebathy,1),SIZE(coarsebathy,2))) |
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381 | ALLOCATE(bathy_test(jpi,jpj)) |
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382 | ! |
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383 | ! Where(G0%bathy_meter.le.0.00001) |
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384 | ! masksrc = .false. |
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385 | ! ElseWhere |
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386 | ! |
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387 | masksrc = .TRUE. |
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388 | ! |
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389 | ! End where |
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390 | ! |
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391 | ! compute remapping matrix thanks to SCRIP package |
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392 | ! |
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393 | CALL get_remap_matrix(coarselat,gphit, & |
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394 | coarselon,zglamt, & |
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395 | masksrc,matrix,src_add,dst_add) |
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396 | CALL make_remap(coarsebathy,bathy_test,jpi,jpj, & |
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397 | matrix,src_add,dst_add) |
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398 | ! |
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399 | bathy= bathy_test |
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400 | ! |
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401 | DEALLOCATE(masksrc) |
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402 | DEALLOCATE(bathy_test) |
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403 | ENDIF |
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404 | ! |
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405 | ENDIF |
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406 | CALL lbc_lnk( 'dom_bat', bathy, 'T', 1. ) |
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407 | |
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408 | ! Correct South and North |
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409 | #if defined key_agrif |
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410 | IF( lk_south ) THEN |
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411 | IF( (nbondj == -1).OR.(nbondj == 2) ) THEN |
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412 | bathy(:,1)=bathy(:,2) |
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413 | ENDIF |
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414 | ELSE |
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415 | bathy(:,1) = 0. |
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416 | ENDIF |
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417 | #else |
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418 | IF ((nbondj == -1).OR.(nbondj == 2)) THEN |
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419 | bathy(:,1)=bathy(:,2) |
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420 | ENDIF |
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421 | #endif |
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422 | |
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423 | IF ((nbondj == 1).OR.(nbondj == 2)) THEN |
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424 | bathy(:,jpj)=bathy(:,jpj-1) |
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425 | ENDIF |
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426 | |
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427 | ! Correct West and East |
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428 | IF (jperio /=1) THEN |
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429 | IF ((nbondi == -1).OR.(nbondi == 2)) THEN |
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430 | bathy(1,:)=bathy(2,:) |
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431 | ENDIF |
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432 | IF ((nbondi == 1).OR.(nbondi == 2)) THEN |
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433 | bathy(jpi,:)=bathy(jpi-1,:) |
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434 | ENDIF |
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435 | ENDIF |
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436 | |
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437 | |
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438 | END SUBROUTINE dom_bat |
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439 | |
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440 | END MODULE dombat |
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