[10727] | 1 | MODULE dombat |
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| 2 | |
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| 3 | USE dom_oce ! ocean domain |
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| 4 | ! USE closea ! closed seas |
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| 5 | ! |
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| 6 | USE in_out_manager ! I/O manager |
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| 7 | USE iom ! I/O library |
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| 8 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
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| 9 | USE lib_mpp ! distributed memory computing library |
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| 10 | USE agrif_modutil |
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| 11 | USE bilinear_interp |
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| 12 | |
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| 13 | IMPLICIT NONE |
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| 14 | PRIVATE |
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| 15 | |
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| 16 | PUBLIC dom_bat ! called by dom_zgr.F90 |
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| 17 | |
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| 18 | CONTAINS |
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| 19 | |
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| 20 | SUBROUTINE dom_bat |
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| 21 | |
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| 22 | INTEGER :: inum, isize, jsize, id, ji, jj |
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| 23 | INTEGER :: tabdim1, tabdim2, nxhr, nyhr, nxyhr |
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| 24 | INTEGER, DIMENSION(2) :: ddims |
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| 25 | INTEGER, DIMENSION(3) :: status |
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| 26 | INTEGER, DIMENSION(:,:), ALLOCATABLE :: trouble_points , vardep,mask_oce |
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| 27 | INTEGER :: iimin,iimax,jjmin,jjmax |
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| 28 | INTEGER, DIMENSION(1) :: i_min,i_max |
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| 29 | INTEGER, DIMENSION(1) ::j_min,j_max |
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| 30 | REAL(wp), DIMENSION(jpi,jpj) :: myglamf |
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| 31 | INTEGER,DIMENSION(:) ,POINTER :: src_add,dst_add => NULL() |
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| 32 | REAL(wp), DIMENSION(:) ,ALLOCATABLE :: vardep1d, lon_new1D,lat_new1D |
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| 33 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: bathy_new, lat_new, lon_new, bathy_test |
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| 34 | REAL(wp), DIMENSION(:,:), ALLOCATABLE :: coarselon, coarselat, coarsebathy |
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| 35 | REAL(wp) :: Cell_lonmin, Cell_lonmax, Cell_latmin, Cell_latmax |
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| 36 | LOGICAL :: identical_grids |
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| 37 | LOGICAL, DIMENSION(:,:), ALLOCATABLE :: masksrc |
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| 38 | REAL*8, DIMENSION(:,:),POINTER :: matrix,interpdata => NULL() |
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| 39 | LOGICAL :: lonlat_2D |
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| 40 | |
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| 41 | CHARACTER(32) :: bathyfile, bathyname, lonname,latname |
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| 42 | |
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| 43 | lonlat_2D=.false. |
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| 44 | |
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| 45 | bathyfile=TRIM(cn_topo) |
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| 46 | bathyname=TRIM(cn_bath) |
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| 47 | lonname=TRIM(cn_lon) |
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| 48 | latname=TRIM(cn_lat) |
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| 49 | |
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| 50 | CALL iom_open( bathyfile, inum, lagrif=.FALSE. ) |
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| 51 | id = iom_varid( inum, bathyname, ddims ) |
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| 52 | |
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| 53 | status=-1 |
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| 54 | ALLOCATE(lon_new (ddims(1),ddims(2)), STAT=status(1)) |
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| 55 | ALLOCATE(lat_new (ddims(1),ddims(2)), STAT=status(2)) |
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| 56 | ALLOCATE(bathy_new(ddims(1),ddims(2)), STAT=status(3)) |
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| 57 | IF( sum(status) /= 0 ) CALL ctl_stop( 'STOP', 'dom_bat : unable to allocate arrays' ) |
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| 58 | |
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| 59 | IF (lonlat_2D) THEN |
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| 60 | CALL iom_get ( inum, jpdom_unknown, lonname, lon_new ) |
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| 61 | CALL iom_get ( inum, jpdom_unknown, latname, lat_new ) |
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| 62 | ELSE |
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| 63 | ALLOCATE(lon_new1D(ddims(1)), lat_new1D(ddims(2))) |
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| 64 | CALL iom_get ( inum, jpdom_unknown, lonname, lon_new1D ) |
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| 65 | CALL iom_get ( inum, jpdom_unknown, latname, lat_new1D ) |
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| 66 | DO ji=1, ddims(1) |
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| 67 | lon_new(ji,:)=lon_new1D(ji) |
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| 68 | ENDDO |
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| 69 | DO ji=1, ddims(2) |
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| 70 | lat_new(:,ji)=lat_new1D(ji) |
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| 71 | ENDDO |
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| 72 | ENDIF |
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| 73 | CALL iom_get ( inum, jpdom_unknown, bathyname, bathy_new ) |
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| 74 | CALL iom_close (inum) |
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| 75 | WHERE (bathy_new > 0.) |
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| 76 | bathy_new=0. |
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| 77 | ENDWHERE |
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| 78 | bathy_new=-bathy_new |
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| 79 | |
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| 80 | ! Eventually add here a pre-selection of the area (coarselon/lat) |
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| 81 | i_min=10 ; j_min=10 |
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| 82 | i_max= ddims(1)-10 ; j_max=ddims(2)-10 |
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| 83 | |
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| 84 | tabdim1 = i_max(1) - i_min(1) + 1 |
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| 85 | tabdim2 = j_max(1) - j_min(1) + 1 |
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| 86 | ! |
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| 87 | |
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| 88 | ALLOCATE(coarselon(tabdim1,tabdim2)) |
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| 89 | ALLOCATE(coarselat(tabdim1,tabdim2)) |
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| 90 | ALLOCATE(coarsebathy(tabdim1,tabdim2)) |
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| 91 | ! |
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| 92 | WHERE( lon_new < 0. ) lon_new = lon_new + 360. |
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| 93 | myglamf=glamf |
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| 94 | WHERE( myglamf < 0. ) myglamf = myglamf + 360. |
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| 95 | |
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| 96 | coarselat(:,:) = lat_new (i_min(1):i_max(1), j_min(1):j_max(1)) |
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| 97 | coarselon (:,:) = lon_new (i_min(1):i_max(1), j_min(1):j_max(1)) |
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| 98 | coarsebathy(:,:) = bathy_new(i_min(1):i_max(1), j_min(1):j_max(1)) |
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| 99 | |
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| 100 | IF( nn_interp == 0 .OR. nn_interp == 1 ) THEN ! arithmetic or median averages |
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| 101 | ! ! ----------------------------- |
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| 102 | ALLOCATE(trouble_points(jpi,jpj)) |
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| 103 | trouble_points(:,:) = 0 |
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| 104 | ! |
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| 105 | DO jj = 2, jpj |
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| 106 | DO ji = 2, jpi |
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| 107 | ! |
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| 108 | ! fine grid cell extension |
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| 109 | Cell_lonmin = MIN(myglamf(ji-1,jj-1),myglamf(ji,jj-1),myglamf(ji,jj),myglamf(ji-1,jj)) |
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| 110 | Cell_lonmax = MAX(myglamf(ji-1,jj-1),myglamf(ji,jj-1),myglamf(ji,jj),myglamf(ji-1,jj)) |
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| 111 | Cell_latmin = MIN(gphif(ji-1,jj-1),gphif(ji,jj-1),gphif(ji,jj),gphif(ji-1,jj)) |
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| 112 | Cell_latmax = MAX(gphif(ji-1,jj-1),gphif(ji,jj-1),gphif(ji,jj),gphif(ji-1,jj)) |
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| 113 | ! |
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| 114 | ! look for points in G0 (bathy dataset) contained in the fine grid cells |
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| 115 | iimin = 1 |
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| 116 | DO WHILE( coarselon(iimin,1) < Cell_lonmin ) |
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| 117 | iimin = iimin + 1 |
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| 118 | ENDDO |
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| 119 | ! |
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| 120 | jjmin = 1 |
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| 121 | DO WHILE( coarselat(iimin,jjmin) < Cell_latmin ) |
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| 122 | jjmin = jjmin + 1 |
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| 123 | ENDDO |
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| 124 | ! |
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| 125 | iimax = iimin |
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| 126 | DO WHILE( coarselon(iimax,1) <= Cell_lonmax ) |
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| 127 | iimax = iimax + 1 |
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| 128 | iimax = MIN( iimax,SIZE(coarsebathy,1)) |
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| 129 | ENDDO |
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| 130 | ! |
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| 131 | jjmax = jjmin |
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| 132 | DO WHILE( coarselat(iimax,jjmax) <= Cell_latmax ) |
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| 133 | jjmax = jjmax + 1 |
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| 134 | jjmax = MIN( jjmax,SIZE(coarsebathy,2)) |
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| 135 | ENDDO |
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| 136 | ! |
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| 137 | IF( .NOT. Agrif_Root() ) THEN |
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| 138 | iimax = iimax-1 |
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| 139 | jjmax = jjmax-1 |
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| 140 | ELSE |
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| 141 | iimax = MAX(iimin,iimax-1) |
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| 142 | jjmax = MAX(jjmin,jjmax-1) |
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| 143 | ENDIF |
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| 144 | ! |
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| 145 | iimin = MAX( iimin,1 ) |
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| 146 | jjmin = MAX( jjmin,1 ) |
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| 147 | iimax = MIN( iimax,SIZE(coarsebathy,1)) |
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| 148 | jjmax = MIN( jjmax,SIZE(coarsebathy,2)) |
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| 149 | |
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| 150 | nxhr = iimax - iimin + 1 |
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| 151 | nyhr = jjmax - jjmin + 1 |
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| 152 | |
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| 153 | |
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| 154 | IF( nxhr == 0 .OR. nyhr == 0 ) THEN |
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| 155 | ! |
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| 156 | trouble_points(ji,jj) = 1 |
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| 157 | ! |
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| 158 | ELSE |
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| 159 | ! |
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| 160 | ALLOCATE( vardep(nxhr,nyhr), mask_oce(nxhr,nyhr) ) |
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| 161 | vardep(:,:) = coarsebathy(iimin:iimax,jjmin:jjmax) |
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| 162 | ! |
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| 163 | WHERE( vardep(:,:) .GT. 0. ) ; mask_oce = 1 ; |
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| 164 | ELSEWHERE ; mask_oce = 0 ; |
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| 165 | ENDWHERE |
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| 166 | ! |
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| 167 | nxyhr = nxhr*nyhr |
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| 168 | 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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| 169 | bathy(ji,jj) = 0. |
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| 170 | ELSE |
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| 171 | IF( nn_interp == 0 ) THEN ! Arithmetic average |
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| 172 | bathy(ji,jj) = SUM( vardep(:,:) * mask_oce(:,:) ) / SUM( mask_oce(:,:) ) |
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| 173 | ELSE ! Median average |
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| 174 | ALLOCATE(vardep1d(nxyhr)) |
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| 175 | vardep1d = RESHAPE(vardep,(/ nxyhr /) ) |
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| 176 | !!CALL ssort(vardep1d,nxyhr) |
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| 177 | CALL quicksort(vardep1d,1,nxyhr) |
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| 178 | ! |
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| 179 | ! Calculate median |
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| 180 | IF (MOD(nxyhr,2) .NE. 0) THEN |
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| 181 | bathy(ji,jj) = vardep1d( nxyhr/2 + 1 ) |
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| 182 | ELSE |
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| 183 | bathy(ji,jj) = 0.5 * ( vardep1d(nxyhr/2) + vardep1d(nxyhr/2+1) ) |
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| 184 | END IF |
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| 185 | DEALLOCATE(vardep1d) |
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| 186 | ENDIF |
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| 187 | ENDIF |
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| 188 | DEALLOCATE (mask_oce,vardep) |
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| 189 | ! |
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| 190 | ENDIF |
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| 191 | ENDDO |
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| 192 | ENDDO |
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| 193 | |
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| 194 | IF( SUM( trouble_points ) > 0 ) THEN |
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| 195 | PRINT*,'too much empty cells, proceed to bilinear interpolation' |
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| 196 | nn_interp = 2 |
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| 197 | stop |
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| 198 | ENDIF |
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| 199 | ENDIF |
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| 200 | |
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| 201 | #undef MYTEST |
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| 202 | #ifdef MYTEST |
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| 203 | IF( nn_interp == 2) THEN ! Bilinear interpolation |
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| 204 | ! ! ----------------------------- |
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| 205 | identical_grids = .FALSE. |
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| 206 | |
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| 207 | IF( SIZE(coarselat,1) == jpi .AND. SIZE(coarselat,2) == jpj .AND. & |
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| 208 | SIZE(coarselon,1) == jpj .AND. SIZE(coarselon,2) == jpj ) THEN |
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| 209 | IF( MAXVAL( ABS(coarselat(:,:)- gphit(:,:)) ) < 0.0001 .AND. & |
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| 210 | MAXVAL( ABS(coarselon(:,:)- glamt(:,:)) ) < 0.0001 ) THEN |
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| 211 | PRINT*,'same grid between ', cn_topo,' and child domain' |
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| 212 | bathy = bathy_new |
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| 213 | identical_grids = .TRUE. |
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| 214 | ENDIF |
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| 215 | ENDIF |
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| 216 | |
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| 217 | IF( .NOT. identical_grids ) THEN |
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| 218 | |
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| 219 | ALLOCATE(masksrc(SIZE(bathy_new,1),SIZE(bathy_new,2))) |
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| 220 | ALLOCATE(bathy_test(jpi,jpj)) |
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| 221 | ! |
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| 222 | !Where(G0%bathy_meter.le.0.00001) |
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| 223 | ! masksrc = .false. |
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| 224 | !ElseWhere |
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| 225 | masksrc = .TRUE. |
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| 226 | !End where |
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| 227 | ! |
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| 228 | ! compute remapping matrix thanks to SCRIP package |
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| 229 | CALL get_remap_matrix(coarselat,gphit,coarselon,glamt,masksrc,matrix,src_add,dst_add) |
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| 230 | CALL make_remap(bathy_new,bathy_test,jpi,jpj,matrix,src_add,dst_add) |
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| 231 | ! |
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| 232 | bathy = bathy_test |
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| 233 | ! |
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| 234 | DEALLOCATE(masksrc) |
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| 235 | DEALLOCATE(bathy_test) |
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| 236 | |
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| 237 | ENDIF |
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| 238 | ! |
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| 239 | ENDIF |
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| 240 | #endif |
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| 241 | END SUBROUTINE dom_bat |
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| 242 | |
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| 243 | END MODULE dombat |
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