1 | !************************************************************************ |
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2 | ! Fortran 95 OPA Nesting tools * |
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3 | ! * |
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4 | ! Copyright (C) 2005 Florian Lemarié (Florian.Lemarie@imag.fr) * |
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5 | ! Laurent Debreu (Laurent.Debreu@imag.fr) * |
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6 | !************************************************************************ |
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7 | ! |
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8 | PROGRAM create_bathy |
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9 | ! |
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10 | USE NETCDF |
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11 | USE bilinear_interp |
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12 | USE agrif_readwrite |
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13 | USE agrif_partial_steps |
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14 | USE agrif_connect_topo |
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15 | USE agrif_interpolation |
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16 | ! |
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17 | IMPLICIT NONE |
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18 | ! |
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19 | !************************************************************************ |
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20 | ! * |
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21 | ! PROGRAM CREATE_BATHY * |
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22 | ! * |
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23 | ! program to implement bathymetry interpolation to generate * |
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24 | ! child grid bathymetry file * |
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25 | ! * |
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26 | ! various options : * |
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27 | ! * |
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28 | ! 1- Interpolation directly from parent bathymetry file (z-coord) * |
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29 | ! 2- Use new topo file in meters (for example etopo) * |
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30 | ! * |
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31 | ! vertical coordinates permitted : z-coord and partial steps * |
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32 | ! sigma coordinates is not yet implemented * |
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33 | ! * |
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34 | !Interpolation is carried out using bilinear interpolation * |
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35 | !routine from SCRIP package or median average * |
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36 | ! * |
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37 | !http://climate.lanl.gov/Software/SCRIP/ * |
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38 | !************************************************************************ |
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39 | ! |
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40 | ! variables declaration |
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41 | ! |
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42 | CHARACTER(len=80) :: namelistname |
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43 | CHARACTER*100 :: child_coordinates, child_level, child_meter, child_domcfg |
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44 | LOGICAL :: identical_grids |
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45 | INTEGER :: nbadd,status,narg,iargc |
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46 | INTEGER :: jpj,jpi |
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47 | LOGICAL,DIMENSION(:,:),POINTER :: masksrc => NULL() |
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48 | INTEGER,DIMENSION(:,:),ALLOCATABLE :: mask_oce,trouble_points |
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49 | INTEGER,DIMENSION(:) ,POINTER :: src_add,dst_add => NULL() |
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50 | REAL*8, DIMENSION(:,:),POINTER :: matrix,interpdata => NULL() |
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51 | REAL*8, DIMENSION(:,:),POINTER :: bathy_fin_constant => NULL() |
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52 | REAL*8, DIMENSION(:,:),ALLOCATABLE :: bathy_test,vardep |
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53 | REAL*8, DIMENSION(:) ,ALLOCATABLE :: vardep1d |
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54 | REAL*8, DIMENSION(:,:),POINTER :: gdepw_ps_interp => NULL() |
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55 | REAL*8 :: Cell_lonmin,Cell_lonmax,Cell_latmin,Cell_latmax,wghts |
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56 | LOGICAL :: Pacifique = .FALSE. |
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57 | INTEGER :: boundary,iimin,iimax,jjmax,jjmin |
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58 | INTEGER :: nxhr,nyhr,nxyhr,ji,jj,nbiter |
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59 | |
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60 | TYPE(Coordinates) :: G0,G1 |
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61 | ! |
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62 | narg = iargc() |
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63 | IF (narg == 0) THEN |
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64 | namelistname = 'namelist.input' |
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65 | ELSE |
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66 | CALL getarg(1,namelistname) |
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67 | ENDIF |
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68 | ! |
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69 | ! read input file (namelist.input) |
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70 | CALL read_namelist(namelistname) |
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71 | |
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72 | ! if level or meter name is missing |
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73 | IF( TRIM(parent_level_name) == '' ) parent_level_name='mbathy' |
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74 | IF( TRIM(parent_meter_name) == '' ) parent_meter_name='Bathymetry' |
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75 | |
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76 | ! define names of child grid files |
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77 | CALL set_child_name(parent_coordinate_file,child_coordinates) |
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78 | IF( TRIM(parent_bathy_level) /= '' ) CALL set_child_name(parent_bathy_level,child_level) |
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79 | IF( TRIM(parent_bathy_meter) /= '' ) CALL set_child_name(parent_bathy_meter,child_meter) |
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80 | IF( TRIM(parent_domcfg_out) /= '' ) CALL set_child_name(parent_domcfg_out,child_domcfg) |
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81 | ! |
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82 | IF( TRIM(parent_bathy_level) == '' .AND. TRIM(parent_bathy_meter) == '') THEN |
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83 | WRITE(*,*) 'ERROR ***** one needs at least to define parent_bathy_level or parent_bathy_meter ...' |
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84 | STOP |
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85 | ENDIF |
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86 | ! ! ------------------------------------------------------------------ |
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87 | IF( .NOT.new_topo .AND. .NOT.partial_steps ) THEN ! **** First option : no new topo file & no partial steps |
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88 | ! ! ==> interpolate levels directly from parent file |
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89 | ! ! ------------------------------------------------------------------ |
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90 | WRITE(*,*) '*** First option: no new topo file & no partial steps' |
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91 | ! |
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92 | ! read coarse grid coordinates |
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93 | status = Read_Coordinates(TRIM(parent_coordinate_file),G0) |
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94 | |
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95 | ! read coarse grid bathymetry |
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96 | IF( TRIM(parent_bathy_level) /= '' ) THEN |
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97 | status = Read_bathy_level(TRIM(parent_bathy_level),G0) |
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98 | CALL levels_to_meter(G0) |
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99 | ELSEIF( TRIM(parent_bathy_level) == '' .AND. TRIM(parent_bathy_meter) /= '') THEN |
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100 | status = read_bathy_meter(TRIM(parent_bathy_meter),G0) |
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101 | CALL meter_to_levels(G0) |
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102 | ENDIF |
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103 | ! |
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104 | ! read fine grid coordinates |
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105 | status = Read_Coordinates(TRIM(child_coordinates),G1,pacifique) |
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106 | ! |
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107 | ! stop if error in size |
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108 | IF( imax > SIZE(G0%glamt,1) .OR. jmax > SIZE(G0%glamt,2) .OR. imax <= imin .OR. jmax <= jmin ) THEN |
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109 | WRITE(*,*) 'ERROR ***** bad child grid definition ...' |
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110 | WRITE(*,*) 'please check imin,jmin,imax,jmax,jpizoom,jpjzoom values' |
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111 | STOP |
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112 | ENDIF |
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113 | IF( SIZE(G1%nav_lon,1) .NE. nxfin .OR. SIZE(G1%nav_lon,2) .NE. nyfin ) THEN |
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114 | WRITE(*,*) 'ERROR ***** bad child coordinates file ...' |
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115 | WRITE(*,*) 'please check that child coordinates file has been created with the same namelist' |
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116 | STOP |
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117 | ENDIF |
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118 | ! |
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119 | jpj = SIZE(G0%nav_lat,2) |
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120 | jpi = SIZE(G0%nav_lat,1) |
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121 | ! |
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122 | ! create logical array masksrc |
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123 | ALLOCATE(masksrc(jpi,jpj)) |
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124 | WHERE(G0%bathy_level.LE.0) ; masksrc = .FALSE. ; |
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125 | ELSEWHERE ; masksrc = .TRUE. ; |
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126 | END WHERE |
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127 | |
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128 | ! change longitudes (from -180:180 to 0:360) |
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129 | IF ( Pacifique ) THEN |
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130 | WHERE(G0%nav_lon < 0.001) G0%nav_lon = G0%nav_lon + 360. |
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131 | ENDIF |
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132 | ! |
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133 | ALLOCATE(G1%bathy_meter(nxfin,nyfin)) |
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134 | ! |
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135 | ! compute remapping matrix thanks to SCRIP package |
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136 | CALL get_remap_matrix(G0%nav_lat,G1%nav_lat,G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) |
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137 | CALL make_remap(G0%bathy_meter,G1%bathy_meter,nxfin,nyfin,matrix,src_add,dst_add) |
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138 | DEALLOCATE(masksrc) |
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139 | ! |
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140 | ! compute constant bathymetry for Parent-Child bathymetry connection |
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141 | CALL init_constant_bathy(G0%bathy_meter,bathy_fin_constant) |
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142 | ! |
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143 | ! replace child bathymetry by parent bathymetry at the boundaries |
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144 | IF( ln_agrif_domain ) THEN |
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145 | boundary = npt_copy*irafx + nbghostcellsfine + 1 |
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146 | ELSE |
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147 | boundary = npt_copy*irafx |
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148 | ENDIF |
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149 | G1%bathy_meter(1:boundary,:) = bathy_fin_constant(1:boundary,:) |
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150 | G1%bathy_meter(:,1:boundary) = bathy_fin_constant(:,1:boundary) |
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151 | G1%bathy_meter(nxfin-boundary+1:nxfin,:) = bathy_fin_constant(nxfin-boundary+1:nxfin,:) |
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152 | G1%bathy_meter(:,nyfin-boundary+1:nyfin) = bathy_fin_constant(:,nyfin-boundary+1:nyfin) |
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153 | DEALLOCATE(bathy_fin_constant) |
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154 | ! |
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155 | ! bathymetry smoothing (everywhere except at the boundaries) |
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156 | IF( smoothing ) THEN |
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157 | IF( ln_agrif_domain ) THEN |
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158 | CALL smooth_topo(G1%bathy_meter(boundary:nxfin-boundary+1,boundary:nyfin-boundary+1),nbiter) |
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159 | ELSE |
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160 | CALL smooth_topo(G1%bathy_meter(boundary+1:nxfin-boundary,boundary+1:nyfin-boundary),nbiter) |
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161 | ENDIF |
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162 | ENDIF |
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163 | ! |
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164 | ! From meters to levels |
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165 | CALL meter_to_levels(G1) |
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166 | G1%bathy_level=NINT(G1%bathy_level) |
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167 | ! |
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168 | ! Check errors in bathy |
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169 | DO jj=1,nyfin |
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170 | DO ji=1,nxfin |
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171 | IF (G1%bathy_level(ji,jj).LT.0.) THEN |
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172 | PRINT *,'error in ',ji,jj,G1%bathy_level(ji,jj) |
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173 | STOP |
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174 | ENDIF |
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175 | ENDDO |
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176 | ENDDO |
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177 | WHERE ((G1%bathy_level.LT.3.).AND.(G1%bathy_level.GT.0.)) G1%bathy_level=3 |
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178 | ! |
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179 | ! remove closed seas |
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180 | IF (removeclosedseas) THEN |
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181 | ALLOCATE(bathy_test(nxfin,nyfin)) |
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182 | |
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183 | bathy_test=0. |
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184 | WHERE (G1%bathy_level(1,:) .GT.0.) bathy_test(1,:)=1 |
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185 | WHERE (G1%bathy_level(nxfin,:) .GT.0.) bathy_test(nxfin,:)=1 |
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186 | WHERE (G1%bathy_level(:,1) .GT.0.) bathy_test(:,1)=1 |
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187 | WHERE (G1%bathy_level(:,nyfin) .GT.0.) bathy_test(:,nyfin)=1 |
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188 | |
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189 | nbadd = 1 |
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190 | DO WHILE (nbadd.NE.0) |
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191 | nbadd = 0 |
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192 | DO jj=2,nyfin-1 |
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193 | DO ji=2,nxfin-1 |
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194 | IF (G1%bathy_level(ji,jj).GT.0.) THEN |
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195 | IF (MAX(bathy_test(ji,jj+1),bathy_test(ji,jj-1),bathy_test(ji-1,jj),bathy_test(ji+1,jj)).EQ.1) THEN |
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196 | IF (bathy_test(ji,jj).NE.1.) nbadd = nbadd + 1 |
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197 | bathy_test(ji,jj)=1. |
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198 | ENDIF |
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199 | ENDIF |
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200 | ENDDO |
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201 | ENDDO |
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202 | ENDDO |
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203 | |
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204 | WHERE (bathy_test.EQ.0.) G1%bathy_level = 0. |
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205 | |
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206 | DEALLOCATE(bathy_test) |
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207 | ENDIF |
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208 | ! |
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209 | CALL levels_to_meter(G1) ! needed for domcfg |
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210 | ! |
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211 | ! store interpolation result in output file |
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212 | status = Write_Bathy_level(TRIM(child_level),G1) |
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213 | status = write_domcfg(TRIM(child_domcfg),G1) |
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214 | !!status = write_domcfg(TRIM(parent_domcfg_out),G0) ! do not activate it |
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215 | |
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216 | WRITE(*,*) '****** Bathymetry successfully created if no new topo ******' |
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217 | STOP |
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218 | ! |
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219 | ! ! ----------------------------------------------------- |
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220 | ELSE ! **** Second option : new topo file or partial steps |
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221 | ! ! ----------------------------------------------------- |
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222 | WRITE(*,*) '*** Second option : new topo or partial steps' |
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223 | |
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224 | ! read fine and coarse grids coordinates file |
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225 | status = Read_Coordinates(TRIM(parent_coordinate_file),G0) |
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226 | status = Read_Coordinates(TRIM(child_coordinates),G1,Pacifique) |
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227 | ! |
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228 | ! check error in size |
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229 | IF( imax > SIZE(G0%nav_lon,1) .OR. jmax > SIZE(G0%nav_lon,2) .OR. imax <= imin .OR. jmax <= jmin ) THEN |
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230 | WRITE(*,*) 'ERROR ***** bad child grid definition ...' |
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231 | WRITE(*,*) 'please check imin,jmin,imax,jmax,jpizoom,jpjzoom values' |
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232 | STOP |
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233 | ENDIF |
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234 | IF( SIZE(G1%nav_lon,1) .NE. nxfin .OR. SIZE(G1%nav_lon,2) .NE. nyfin ) THEN |
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235 | WRITE(*,*) 'ERROR ***** bad child coordinates file ...' |
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236 | WRITE(*,*) 'please check that child coordinates file has been created with the same namelist' |
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237 | STOP |
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238 | ENDIF |
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239 | ! |
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240 | ! === From here on: G0 is the grid associated with the new topography (as gebco or etopo) === |
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241 | ! |
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242 | ! read bathymetry data set => G0%bathy_meter |
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243 | IF( new_topo ) THEN ! read G0%bathy_meter (on a reduced grid) and G1 coordinates |
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244 | DEALLOCATE( G0%nav_lon, G0%nav_lat ) |
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245 | status = read_bathy_coord(TRIM(elevation_database),G0,G1,Pacifique) |
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246 | ELSE ! read G0%bathy_meter (on the global grid) |
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247 | IF( TRIM(parent_bathy_level) /= '' ) THEN |
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248 | status = Read_bathy_level(TRIM(parent_bathy_level),G0) |
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249 | CALL levels_to_meter(G0) |
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250 | ELSEIF( TRIM(parent_bathy_level) == '' .AND. TRIM(parent_bathy_meter) /= '') THEN |
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251 | status = read_bathy_meter(TRIM(parent_bathy_meter),G0) |
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252 | ENDIF |
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253 | IF(Pacifique) THEN |
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254 | WHERE(G0%nav_lon < 0.0001) G0%nav_lon = G0%nav_lon + 360. |
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255 | ENDIF |
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256 | ENDIF |
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257 | ! |
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258 | ! what type of interpolation for bathymetry |
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259 | IF( type_bathy_interp == 0 ) THEN |
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260 | WRITE(*,*) 'Interpolation of high resolution bathymetry on child grid: Arithmetic average ...' |
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261 | ELSE IF( type_bathy_interp == 1 ) THEN |
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262 | WRITE(*,*) 'Interpolation of high resolution bathymetry on child grid: Median average ...' |
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263 | ELSE IF( type_bathy_interp == 2 ) THEN |
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264 | WRITE(*,*) 'Interpolation of high resolution bathymetry on child grid: Bilinear interpolation ...' |
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265 | ELSE |
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266 | WRITE(*,*) 'bad value for type_bathy_interp variable ( must be 0, 1 or 2 )' |
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267 | STOP |
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268 | ENDIF |
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269 | ! |
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270 | ! 1st allocation of child grid bathy |
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271 | ALLOCATE(G1%bathy_meter(nxfin,nyfin)) |
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272 | G1%bathy_meter(:,:)=0. |
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273 | ! |
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274 | ! --------------------------------------------------------------------------------- |
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275 | ! === Bathymetry of the fine grid (step1) === |
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276 | ! --------------------------------------------------------------------------------- |
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277 | ! ==> It gives G1%bathy_meter from G0%bathy_meter |
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278 | ! --------------------------------------------------------------------------------- |
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279 | ! ! ----------------------------- |
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280 | IF( type_bathy_interp == 0 .OR. type_bathy_interp == 1 ) THEN ! arithmetic or median averages |
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281 | ! ! ----------------------------- |
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282 | ALLOCATE(trouble_points(nxfin,nyfin)) |
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283 | trouble_points(:,:) = 0 |
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284 | ! |
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285 | DO jj = 2, nyfin |
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286 | DO ji = 2, nxfin |
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287 | ! |
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288 | ! fine grid cell extension |
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289 | Cell_lonmin = MIN(G1%glamf(ji-1,jj-1),G1%glamf(ji,jj-1),G1%glamf(ji,jj),G1%glamf(ji-1,jj)) |
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290 | Cell_lonmax = MAX(G1%glamf(ji-1,jj-1),G1%glamf(ji,jj-1),G1%glamf(ji,jj),G1%glamf(ji-1,jj)) |
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291 | Cell_latmin = MIN(G1%gphif(ji-1,jj-1),G1%gphif(ji,jj-1),G1%gphif(ji,jj),G1%gphif(ji-1,jj)) |
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292 | Cell_latmax = MAX(G1%gphif(ji-1,jj-1),G1%gphif(ji,jj-1),G1%gphif(ji,jj),G1%gphif(ji-1,jj)) |
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293 | ! |
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294 | ! look for points in G0 (bathy dataset) contained in the fine grid cells |
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295 | iimin = 1 |
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296 | DO WHILE( G0%nav_lon(iimin,1) < Cell_lonmin ) |
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297 | iimin = iimin + 1 |
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298 | ENDDO |
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299 | ! |
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300 | jjmin = 1 |
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301 | DO WHILE( G0%nav_lat(iimin,jjmin) < Cell_latmin ) |
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302 | jjmin = jjmin + 1 |
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303 | ENDDO |
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304 | ! |
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305 | iimax = iimin |
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306 | DO WHILE( G0%nav_lon(iimax,1) <= Cell_lonmax ) |
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307 | iimax = iimax + 1 |
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308 | iimax = MIN( iimax,SIZE(G0%bathy_meter,1)) |
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309 | ENDDO |
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310 | ! |
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311 | jjmax = jjmin |
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312 | DO WHILE( G0%nav_lat(iimax,jjmax) <= Cell_latmax ) |
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313 | jjmax = jjmax + 1 |
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314 | jjmax = MIN( jjmax,SIZE(G0%bathy_meter,2)) |
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315 | ENDDO |
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316 | ! |
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317 | IF( ln_agrif_domain ) THEN |
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318 | iimax = iimax-1 |
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319 | jjmax = jjmax-1 |
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320 | ELSE |
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321 | iimax = MAX(iimin,iimax-1) |
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322 | jjmax = MAX(jjmin,jjmax-1) |
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323 | ENDIF |
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324 | ! |
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325 | iimin = MAX( iimin,1 ) |
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326 | jjmin = MAX( jjmin,1 ) |
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327 | iimax = MIN( iimax,SIZE(G0%bathy_meter,1)) |
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328 | jjmax = MIN( jjmax,SIZE(G0%bathy_meter,2)) |
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329 | |
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330 | nxhr = iimax - iimin + 1 |
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331 | nyhr = jjmax - jjmin + 1 |
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332 | |
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333 | IF( nxhr == 0 .OR. nyhr == 0 ) THEN |
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334 | ! |
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335 | trouble_points(ji,jj) = 1 |
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336 | ! |
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337 | ELSE |
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338 | ! |
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339 | ALLOCATE( vardep(nxhr,nyhr), mask_oce(nxhr,nyhr) ) |
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340 | vardep(:,:) = G0%bathy_meter(iimin:iimax,jjmin:jjmax) |
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341 | ! |
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342 | WHERE( vardep(:,:) .GT. 0. ) ; mask_oce = 1 ; |
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343 | ELSEWHERE ; mask_oce = 0 ; |
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344 | ENDWHERE |
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345 | ! |
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346 | nxyhr = nxhr*nyhr |
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347 | IF( SUM(mask_oce) < 0.5*(nxyhr) ) THEN ! if more than half of the points are on land then bathy fine = 0 |
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348 | G1%bathy_meter(ji,jj) = 0. |
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349 | ELSE |
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350 | IF( type_bathy_interp == 0 ) THEN ! Arithmetic average |
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351 | G1%bathy_meter(ji,jj) = SUM( vardep(:,:) * mask_oce(:,:) ) / SUM( mask_oce(:,:) ) |
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352 | ELSE ! Median average |
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353 | ALLOCATE(vardep1d(nxyhr)) |
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354 | vardep1d = RESHAPE(vardep,(/ nxyhr /) ) |
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355 | !!CALL ssort(vardep1d,nxyhr) |
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356 | CALL quicksort(vardep1d,1,nxyhr) |
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357 | ! |
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358 | ! Calculate median |
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359 | IF (MOD(nxyhr,2) .NE. 0) THEN |
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360 | G1%bathy_meter(ji,jj) = vardep1d( nxyhr/2 + 1 ) |
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361 | ELSE |
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362 | G1%bathy_meter(ji,jj) = 0.5 * ( vardep1d(nxyhr/2) + vardep1d(nxyhr/2+1) ) |
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363 | END IF |
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364 | DEALLOCATE(vardep1d) |
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365 | ENDIF |
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366 | ENDIF |
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367 | DEALLOCATE (mask_oce,vardep) |
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368 | ! |
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369 | ENDIF |
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370 | ENDDO |
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371 | ENDDO |
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372 | |
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373 | IF( SUM( trouble_points ) > 0 ) THEN |
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374 | PRINT*,'too much empty cells, proceed to bilinear interpolation' |
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375 | type_bathy_interp = 2 |
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376 | ENDIF |
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377 | |
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378 | ENDIF |
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379 | ! ! ----------------------------- |
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380 | IF( type_bathy_interp == 2) THEN ! Bilinear interpolation |
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381 | ! ! ----------------------------- |
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382 | identical_grids = .FALSE. |
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383 | |
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384 | IF( SIZE(G0%nav_lat,1) == SIZE(G1%nav_lat,1) .AND. SIZE(G0%nav_lat,2) == SIZE(G1%nav_lat,2) .AND. & |
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385 | SIZE(G0%nav_lon,1) == SIZE(G1%nav_lon,1) .AND. SIZE(G0%nav_lon,2) == SIZE(G1%nav_lon,2) ) THEN |
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386 | IF( MAXVAL( ABS(G0%nav_lat(:,:)- G1%nav_lat(:,:)) ) < 0.0001 .AND. & |
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387 | MAXVAL( ABS(G0%nav_lon(:,:)- G1%nav_lon(:,:)) ) < 0.0001 ) THEN |
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388 | PRINT*,'same grid between ',elevation_database,' and child domain' |
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389 | G1%bathy_meter = G0%bathy_meter |
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390 | identical_grids = .TRUE. |
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391 | ENDIF |
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392 | ENDIF |
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393 | |
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394 | IF( .NOT. identical_grids ) THEN |
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395 | |
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396 | ALLOCATE(masksrc(SIZE(G0%bathy_meter,1),SIZE(G0%bathy_meter,2))) |
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397 | ALLOCATE(bathy_test(nxfin,nyfin)) |
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398 | ! |
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399 | !Where(G0%bathy_meter.le.0.00001) |
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400 | ! masksrc = .false. |
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401 | !ElseWhere |
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402 | masksrc = .TRUE. |
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403 | !End where |
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404 | ! |
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405 | ! compute remapping matrix thanks to SCRIP package |
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406 | CALL get_remap_matrix(G0%nav_lat,G1%nav_lat,G0%nav_lon,G1%nav_lon,masksrc,matrix,src_add,dst_add) |
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407 | CALL make_remap(G0%bathy_meter,bathy_test,nxfin,nyfin,matrix,src_add,dst_add) |
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408 | ! |
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409 | G1%bathy_meter = bathy_test |
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410 | ! |
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411 | DEALLOCATE(masksrc) |
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412 | DEALLOCATE(bathy_test) |
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413 | |
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414 | ENDIF |
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415 | ! |
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416 | ENDIF |
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417 | ! --- |
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418 | ! At this stage bathymetry in meters has already been interpolated on fine grid |
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419 | ! => G1%bathy_meter(nxfin,nyfin) |
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420 | ! |
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421 | ! Also G0 was the grid from the new bathymetry data set (etopo, gebco...) and not the coarse grid |
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422 | ! --- |
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423 | ! |
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424 | ! --------------------------------------------------------------------------------- |
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425 | ! === Bathymetry of the fine grid (step2) === |
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426 | ! --------------------------------------------------------------------------------- |
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427 | ! ==> It gives an update of G1%bathy_meter and G1%bathy_level |
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428 | ! --------------------------------------------------------------------------------- |
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429 | ! From here on: G0 is the coarse grid |
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430 | ! |
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431 | ! Coarse grid bathymetry : G0%bathy_meter (on the global grid) |
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432 | IF( TRIM(parent_bathy_meter) /= '') THEN |
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433 | status = read_bathy_meter(TRIM(parent_bathy_meter),G0) |
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434 | ELSE |
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435 | status = Read_bathy_level(TRIM(parent_bathy_level),G0) |
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436 | CALL levels_to_meter(G0) |
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437 | ENDIF |
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438 | |
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439 | ! Coarse grid coordinatees : G0 coordinates |
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440 | DEALLOCATE(G0%nav_lat,G0%nav_lon) |
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441 | status = Read_coordinates(TRIM(parent_coordinate_file),G0) |
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442 | |
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443 | ! allocate temporary arrays |
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444 | IF (.NOT.ASSOCIATED(G0%gdepw_ps)) ALLOCATE(G0%gdepw_ps (SIZE(G0%bathy_meter,1),SIZE(G0%bathy_meter,2))) |
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445 | IF (.NOT.ASSOCIATED(G1%gdepw_ps)) ALLOCATE(G1%gdepw_ps (SIZE(G1%bathy_meter,1),SIZE(G1%bathy_meter,2))) |
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446 | IF (.NOT.ASSOCIATED(gdepw_ps_interp)) ALLOCATE(gdepw_ps_interp(SIZE(G1%bathy_meter,1),SIZE(G1%bathy_meter,2))) |
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447 | ! |
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448 | IF( ln_agrif_domain ) THEN |
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449 | boundary = npt_copy*irafx + nbghostcellsfine + 1 |
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450 | ELSE |
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451 | boundary = npt_copy*irafx |
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452 | ENDIF |
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453 | ! |
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454 | ! compute G0%gdepw_ps and G1%gdepw_ps |
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455 | CALL get_partial_steps(G0) |
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456 | CALL get_partial_steps(G1) |
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457 | CALL bathymetry_control(G0%Bathy_level) |
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458 | |
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459 | ! --------------------------------------- |
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460 | ! Bathymetry at the boundaries (npt_copy) |
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461 | ! --------------------------------------- |
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462 | ! 1st step: interpolate coarse bathy on the fine grid (using partial steps or not) |
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463 | IF( partial_steps .AND. ln_agrif_domain ) THEN |
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464 | CALL Check_interp(G0,gdepw_ps_interp) |
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465 | ELSE |
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466 | gdepw_ps_interp = 0. * G1%gdepw_ps |
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467 | !!CALL agrif_interp(G0%gdepw_ps,gdepw_ps_interp,'T') |
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468 | CALL init_constant_bathy(G0%gdepw_ps,gdepw_ps_interp) |
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469 | ENDIF |
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470 | |
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471 | IF (.NOT.ASSOCIATED(G1%wgt)) ALLOCATE(G1%wgt(SIZE(G1%bathy_meter,1),SIZE(G1%bathy_meter,2))) |
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472 | G1%wgt(:,:) = 0. |
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473 | IF ((.NOT.ASSOCIATED(G0%wgt)).AND.bathy_update) THEN |
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474 | ALLOCATE(G0%wgt(SIZE(G0%nav_lat,1),SIZE(G0%nav_lat,2))) |
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475 | G0%wgt(:,:) = 0. |
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476 | ENDIF |
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477 | ! |
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478 | ! 2nd step: copy parent bathymetry at the boundaries |
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479 | DO jj=1,nyfin ! West and East |
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480 | IF ( gdepw_ps_interp(nbghostcellsfine+1,jj) > 0. ) THEN |
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481 | G1%gdepw_ps(1:boundary,jj) = gdepw_ps_interp(1:boundary,jj) |
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482 | G1%wgt(1:boundary,jj) = 1. |
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483 | ELSE |
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484 | G1%gdepw_ps(1:nbghostcellsfine+1,jj)=0. |
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485 | ENDIF |
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486 | ! |
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487 | IF ( gdepw_ps_interp(nxfin-nbghostcellsfine,jj) > 0.) THEN |
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488 | G1%gdepw_ps(nxfin-boundary+1:nxfin,jj)=gdepw_ps_interp(nxfin-boundary+1:nxfin,jj) |
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489 | G1%wgt(nxfin-boundary+1:nxfin,jj) = 1. |
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490 | ELSE |
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491 | G1%gdepw_ps(nxfin-nbghostcellsfine:nxfin,jj) = 0. |
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492 | ENDIF |
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493 | END DO |
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494 | ! |
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495 | DO ji=1,nxfin ! South and North |
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496 | IF (gdepw_ps_interp(ji,nbghostcellsfine+1)>0.) THEN |
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497 | G1%gdepw_ps(ji,1:boundary) = gdepw_ps_interp(ji,1:boundary) |
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498 | G1%wgt(ji,1:boundary) = 1. |
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499 | ELSE |
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500 | G1%gdepw_ps(ji,1:nbghostcellsfine+1)=0. |
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501 | ENDIF |
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502 | ! |
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503 | IF (gdepw_ps_interp(ji,nyfin-nbghostcellsfine)>0.) THEN |
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504 | G1%gdepw_ps(ji,nyfin-boundary+1:nyfin)=gdepw_ps_interp(ji,nyfin-boundary+1:nyfin) |
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505 | G1%wgt(ji,nyfin-boundary+1:nyfin) = 1. |
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506 | ELSE |
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507 | G1%gdepw_ps(ji,nyfin-nbghostcellsfine:nyfin) = 0. |
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508 | ENDIF |
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509 | END DO |
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510 | ! |
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511 | !clem: recalculate interpolation everywhere before linear connection (useless to me) |
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512 | IF( partial_steps .AND. ln_agrif_domain ) THEN |
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513 | gdepw_ps_interp = 0. |
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514 | CALL Check_interp(G0,gdepw_ps_interp) |
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515 | ENDIF |
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516 | ! |
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517 | ! ------------------------------------------------------- |
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518 | ! Bathymetry between boundaries and interior (npt_connect) |
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519 | ! -------------------------------------------------------- |
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520 | ! Make linear connection (on npt_connect*irafx points) between the boundaries and the interior |
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521 | IF( ln_agrif_domain ) THEN |
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522 | boundary = (npt_copy + npt_connect)*irafx + nbghostcellsfine + 1 |
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523 | ELSE |
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524 | boundary = (npt_copy + npt_connect)*irafx |
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525 | ENDIF |
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526 | |
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527 | IF( npt_connect > 0 ) THEN |
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528 | WRITE(*,*) ' linear connection on ',npt_connect,'coarse grid points' |
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529 | |
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530 | wghts = 1. |
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531 | DO ji = boundary - npt_connect*irafx + 1 , boundary |
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532 | wghts = wghts - (1. / (npt_connect*irafx + 1. ) ) |
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533 | DO jj=1,nyfin |
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534 | IF (G1%gdepw_ps(nbghostcellsfine+1,jj) > 0.) G1%wgt(ji,jj) = MAX(wghts, G1%wgt(ji,jj)) |
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535 | END DO |
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536 | END DO |
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537 | |
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538 | wghts = 1. |
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539 | DO ji = nxfin - (boundary - npt_connect*irafx), nxfin - boundary +1 , -1 |
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540 | wghts = wghts - (1. / (npt_connect*irafx + 1. ) ) |
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541 | DO jj=1,nyfin |
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542 | IF (G1%gdepw_ps(nxfin-nbghostcellsfine,jj) > 0.) G1%wgt(ji,jj) = MAX(wghts, G1%wgt(ji,jj)) |
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543 | END DO |
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544 | END DO |
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545 | |
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546 | wghts = 1. |
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547 | DO jj = boundary - npt_connect*irafy + 1 , boundary |
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548 | wghts = wghts - (1. / (npt_connect*irafy + 1. ) ) |
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549 | DO ji=1,nxfin |
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550 | IF (G1%gdepw_ps(ji,nbghostcellsfine+1) > 0.) G1%wgt(ji,jj) = MAX(wghts, G1%wgt(ji,jj)) |
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551 | END DO |
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552 | END DO |
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553 | |
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554 | wghts = 1. |
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555 | DO jj = nyfin - (boundary - npt_connect*irafy) , nyfin - boundary +1, -1 |
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556 | wghts = wghts - (1. / (npt_connect*irafy + 1. ) ) |
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557 | DO ji=1,nxfin |
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558 | IF (G1%gdepw_ps(ji,nyfin-nbghostcellsfine) > 0.) G1%wgt(ji,jj) = MAX(wghts, G1%wgt(ji,jj)) |
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559 | END DO |
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560 | END DO |
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561 | IF (.NOT.identical_grids) THEN |
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562 | G1%gdepw_ps(:,:) = (1.-G1%wgt(:,:)) * G1%gdepw_ps(:,:) + gdepw_ps_interp(:,:)*G1%wgt(:,:) |
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563 | ENDIF |
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564 | |
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565 | ENDIF |
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566 | |
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567 | ! replace G1%bathy_meter by G1%gdepw_ps |
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568 | G1%bathy_meter = G1%gdepw_ps |
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569 | ! |
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570 | ! -------------------- |
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571 | ! Bathymetry smoothing |
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572 | ! -------------------- |
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573 | IF( smoothing .AND. (.NOT.identical_grids) ) THEN |
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574 | ! Chanut: smoothing everywhere then discard result in connection zone |
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575 | CALL smooth_topo(G1%gdepw_ps(:,:),nbiter) |
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576 | WHERE (G1%wgt(:,:)==0.) G1%bathy_meter(:,:) = G1%gdepw_ps(:,:) |
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577 | ELSE |
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578 | WRITE(*,*) 'No smoothing process only connection is carried out' |
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579 | ENDIF |
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580 | ! |
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581 | ! ------------------ |
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582 | ! Remove closed seas |
---|
583 | ! ------------------ |
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584 | IF (removeclosedseas) THEN |
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585 | ALLOCATE(bathy_test(nxfin,nyfin)) |
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586 | bathy_test=0. |
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587 | WHERE (G1%bathy_meter(1,:) .GT.0.) bathy_test(1,:)=1 |
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588 | WHERE (G1%bathy_meter(nxfin,:).GT.0.) bathy_test(nxfin,:)=1 |
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589 | WHERE (G1%bathy_meter(:,1) .GT.0.) bathy_test(:,1)=1 |
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590 | WHERE (G1%bathy_meter(:,nyfin).GT.0.) bathy_test(:,nyfin)=1 |
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591 | |
---|
592 | nbadd = 1 |
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593 | DO WHILE (nbadd.NE.0) |
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594 | nbadd = 0 |
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595 | DO jj=2,nyfin-1 |
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596 | DO ji=2,nxfin-1 |
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597 | IF (G1%bathy_meter(ji,jj).GT.0.) THEN |
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598 | IF (MAX(bathy_test(ji,jj+1),bathy_test(ji,jj-1),bathy_test(ji-1,jj),bathy_test(ji+1,jj)).EQ.1) THEN |
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599 | IF (bathy_test(ji,jj).NE.1.) nbadd = nbadd + 1 |
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600 | bathy_test(ji,jj)=1. |
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601 | ENDIF |
---|
602 | |
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603 | ENDIF |
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604 | ENDDO |
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605 | ENDDO |
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606 | ENDDO |
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607 | WHERE (bathy_test.EQ.0.) G1%bathy_meter = 0. |
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608 | DEALLOCATE(bathy_test) |
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609 | ENDIF |
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610 | ! |
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611 | IF( partial_steps ) THEN |
---|
612 | CALL get_partial_steps(G1) ! recompute bathy_level and gdepw_ps for G1 (and correct bathy_meter) |
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613 | ELSE |
---|
614 | CALL meter_to_levels(G1) ! convert bathymetry from meters to levels |
---|
615 | ENDIF |
---|
616 | ! |
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617 | ! update parent grid |
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618 | IF(bathy_update) CALL Update_Parent_Bathy( G0,G1 ) |
---|
619 | |
---|
620 | IF(bathy_update) status = Write_Bathy_meter(TRIM(parent_bathy_meter_updated),G0) |
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621 | IF(bathy_update) status = write_domcfg(TRIM(parent_domcfg_updated),G0) |
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622 | |
---|
623 | ! store interpolation result in output file |
---|
624 | IF( TRIM(parent_bathy_level) /= '' ) status = Write_Bathy_level(TRIM(child_level),G1) |
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625 | IF( TRIM(parent_bathy_meter) /= '' ) status = Write_Bathy_meter(TRIM(child_meter),G1) |
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626 | IF( TRIM(parent_domcfg_out) /= '' ) status = write_domcfg(TRIM(child_domcfg),G1) |
---|
627 | ! |
---|
628 | WRITE(*,*) '****** Bathymetry successfully created ******' |
---|
629 | STOP |
---|
630 | ENDIF |
---|
631 | ! |
---|
632 | END PROGRAM create_bathy |
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633 | |
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634 | |
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