| 1 | ! |
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| 2 | ! $Id: $ |
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| 3 | ! |
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| 4 | ! This subroutine creates the grilles_gcm.nc file, containing: |
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| 5 | ! -> longitudes and latitudes in degrees for dynamical grids u, v and scalaire, |
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| 6 | ! and the following variables added for INCA (informative anyway) |
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| 7 | ! -> vertical levels "presnivs" |
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| 8 | ! -> mask (land/sea), area (grid), phis=surface geopotential height = phis/g |
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| 9 | ! |
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| 10 | ! The subroutine is called in dynphy_lonlat/phylmd/ce0l.F90. |
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| 11 | |
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| 12 | SUBROUTINE grilles_gcm_netcdf_sub(masque,phis) |
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| 13 | |
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| 14 | USE comgeom_mod_h |
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| 15 | USE comconst_mod, ONLY: cpp, kappa, g, omeg, daysec, rad, pi |
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| 16 | USE comvert_mod, ONLY: presnivs, preff, pa |
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| 17 | USE netcdf, ONLY: nf90_def_var, nf90_int, nf90_float, nf90_put_var, nf90_clobber, nf90_64bit_offset, nf90_def_dim, & |
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| 18 | nf90_put_att, nf90_enddef, nf90_create |
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| 19 | |
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| 20 | USE dimensions_mod, ONLY: iim, jjm, llm, ndm |
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| 21 | USE paramet_mod_h |
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| 22 | IMPLICIT NONE |
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| 23 | |
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| 24 | |
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| 25 | |
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| 26 | |
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| 27 | !======================== |
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| 28 | REAL,DIMENSION(iip1,jjp1),INTENT(IN) :: masque ! masque terre/mer |
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| 29 | REAL,DIMENSION(iip1,jjp1),INTENT(IN) :: phis ! geopotentiel au sol |
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| 30 | |
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| 31 | INTEGER status,i,j |
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| 32 | |
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| 33 | ! Attributs netcdf output |
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| 34 | INTEGER ncid_out,rcode_out |
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| 35 | |
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| 36 | INTEGER out_lonuid,out_lonvid,out_latuid,out_latvid |
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| 37 | INTEGER out_uid,out_vid,out_tempid |
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| 38 | INTEGER out_lonudim,out_lonvdim |
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| 39 | INTEGER out_latudim,out_latvdim,out_dim(2) |
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| 40 | INTEGER out_levdim |
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| 41 | ! |
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| 42 | INTEGER :: presnivs_id |
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| 43 | INTEGER :: mask_id,area_id,phis_id |
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| 44 | ! |
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| 45 | INTEGER start(2),COUNT(2) |
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| 46 | |
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| 47 | ! Variables |
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| 48 | REAL rlatudeg(jjp1),rlatvdeg(jjm),rlev(llm) |
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| 49 | REAL rlonudeg(iip1),rlonvdeg(iip1) |
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| 50 | REAL uwnd(iip1,jjp1),vwnd(iip1,jjm),temp(iip1,jjp1) |
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| 51 | ! |
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| 52 | INTEGER masque_int(iip1,jjp1) |
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| 53 | REAL :: phis_loc(iip1,jjp1) |
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| 54 | |
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| 55 | !======================== |
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| 56 | ! CALCULATION of latu, latv, lonu, lonv in deg. |
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| 57 | ! --------------------------------------------------- |
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| 58 | rad = 6400000 |
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| 59 | omeg = 7.272205e-05 |
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| 60 | g = 9.8 |
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| 61 | kappa = 0.285716 |
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| 62 | daysec = 86400 |
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| 63 | cpp = 1004.70885 |
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| 64 | |
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| 65 | preff = 101325. |
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| 66 | pa= 50000. |
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| 67 | |
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| 68 | CALL conf_gcm( 99, .TRUE. ) |
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| 69 | CALL iniconst |
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| 70 | CALL inigeom |
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| 71 | |
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| 72 | DO j=1,jjp1 |
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| 73 | rlatudeg(j)=rlatu(j)*180./pi |
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| 74 | ENDDO |
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| 75 | |
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| 76 | DO j=1,jjm |
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| 77 | rlatvdeg(j)=rlatv(j)*180./pi |
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| 78 | ENDDO |
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| 79 | |
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| 80 | DO i=1,iip1 |
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| 81 | rlonudeg(i)=rlonu(i)*180./pi + 360. |
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| 82 | rlonvdeg(i)=rlonv(i)*180./pi + 360. |
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| 83 | ENDDO |
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| 84 | |
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| 85 | ! CALCULATION of "false" variables on u, v, s grids |
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| 86 | ! --------------------------------------------------- |
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| 87 | DO i=1,iip1 |
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| 88 | DO j=1,jjp1 |
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| 89 | uwnd(i,j)=MOD(i,2)+MOD(j,2) |
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| 90 | temp(i,j)=MOD(i,2)+MOD(j,2) |
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| 91 | ENDDO |
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| 92 | DO j=1,jjm |
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| 93 | vwnd(i,j)=MOD(i,2)+MOD(j,2) |
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| 94 | END DO |
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| 95 | ENDDO |
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| 96 | |
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| 97 | ! CALCULATION of local vars for presnivs, mask, sfc. geopot. height |
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| 98 | ! --------------------------------------------------- |
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| 99 | rlev(:) = presnivs(:) |
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| 100 | phis_loc(:,:) = phis(:,:)/g |
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| 101 | masque_int(:,:) = nINT(masque(:,:)) |
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| 102 | |
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| 103 | |
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| 104 | ! OPEN output netcdf file |
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| 105 | !------------------------- |
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| 106 | status=nf90_create('grilles_gcm.nc',IOR(nf90_clobber,nf90_64bit_offset),ncid_out) |
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| 107 | CALL handle_err(status) |
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| 108 | |
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| 109 | ! DEFINE output dimensions |
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| 110 | !------------------------- |
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| 111 | status=nf90_def_dim(ncid_out,'lonu',iim+1,out_lonudim) |
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| 112 | CALL handle_err(status) |
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| 113 | status=nf90_def_dim(ncid_out,'lonv',iim+1,out_lonvdim) |
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| 114 | CALL handle_err(status) |
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| 115 | status=nf90_def_dim(ncid_out,'latu',jjm+1,out_latudim) |
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| 116 | CALL handle_err(status) |
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| 117 | status=nf90_def_dim(ncid_out,'latv',jjm,out_latvdim) |
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| 118 | CALL handle_err(status) |
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| 119 | ! |
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| 120 | status=nf90_def_dim(ncid_out,'lev',llm,out_levdim) |
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| 121 | CALL handle_err(status) |
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| 122 | |
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| 123 | ! DEFINE output variables |
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| 124 | !------------------------- |
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| 125 | ! Longitudes on "u" dynamical grid |
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| 126 | status=NF90_DEF_VAR(ncid_out,'lonu',NF90_FLOAT,out_lonudim, out_lonuid) |
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| 127 | CALL handle_err(status) |
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| 128 | status=nf90_put_att(ncid_out,out_lonuid,'units','degrees_east') |
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| 129 | status=nf90_put_att(ncid_out,out_lonuid,'long_name','Longitude on u grid') |
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| 130 | ! Longitudes on "v" dynamical grid |
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| 131 | status=NF90_DEF_VAR(ncid_out,'lonv',NF90_FLOAT,out_lonvdim, out_lonvid) |
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| 132 | CALL handle_err(status) |
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| 133 | status=nf90_put_att(ncid_out,out_lonvid,'units','degrees_east') |
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| 134 | status=nf90_put_att(ncid_out,out_lonvid,'long_name','Longitude on v grid') |
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| 135 | ! Latitudes on "u" dynamical grid |
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| 136 | status=NF90_DEF_VAR(ncid_out,'latu',NF90_FLOAT,out_latudim, out_latuid) |
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| 137 | CALL handle_err(status) |
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| 138 | status=nf90_put_att(ncid_out,out_latuid,'units','degrees_north') |
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| 139 | status=nf90_put_att(ncid_out,out_latuid,'long_name','Latitude on u grid') |
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| 140 | ! Latitudes on "v" dynamical grid |
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| 141 | status=NF90_DEF_VAR(ncid_out,'latv',NF90_FLOAT,out_latvdim, out_latvid) |
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| 142 | CALL handle_err(status) |
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| 143 | status=nf90_put_att(ncid_out,out_latvid,'units','degrees_north') |
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| 144 | status=nf90_put_att(ncid_out,out_latvid,'long_name','Latitude on v grid') |
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| 145 | ! "u" lat/lon dynamical grid |
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| 146 | out_dim(1)=out_lonudim |
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| 147 | out_dim(2)=out_latudim |
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| 148 | status=NF90_DEF_VAR(ncid_out,'grille_u',NF90_FLOAT,out_dim, out_uid) |
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| 149 | CALL handle_err(status) |
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| 150 | status=nf90_put_att(ncid_out,out_uid,'units','m/s') |
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| 151 | status=nf90_put_att(ncid_out,out_uid,'long_name','u-wind dynamical grid') |
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| 152 | ! "v" lat/lon dynamical grid |
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| 153 | out_dim(1)=out_lonvdim |
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| 154 | out_dim(2)=out_latvdim |
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| 155 | status=NF90_DEF_VAR(ncid_out,'grille_v',NF90_FLOAT,out_dim, out_vid) |
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| 156 | CALL handle_err(status) |
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| 157 | status=nf90_put_att(ncid_out,out_vid,'units','m/s') |
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| 158 | status=nf90_put_att(ncid_out,out_vid,'long_name','v-wind dynamical grid') |
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| 159 | ! "s" (scalar) lat/lon dynamical grid |
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| 160 | out_dim(1)=out_lonvdim |
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| 161 | out_dim(2)=out_latudim |
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| 162 | status=NF90_DEF_VAR(ncid_out,'grille_s',NF90_FLOAT,out_dim, out_tempid) |
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| 163 | CALL handle_err(status) |
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| 164 | status=nf90_put_att(ncid_out,out_tempid,'units','Kelvin') |
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| 165 | status=nf90_put_att(ncid_out,out_tempid,'long_name','scalar dynamical grid') |
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| 166 | ! |
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| 167 | ! for INCA : |
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| 168 | ! vertical levels "presnivs" |
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| 169 | status=NF90_DEF_VAR(ncid_out,'presnivs',NF90_FLOAT,out_levdim, presnivs_id) |
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| 170 | CALL handle_err(status) |
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| 171 | status=nf90_put_att(ncid_out,presnivs_id,'units','Pa') |
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| 172 | status=nf90_put_att(ncid_out,presnivs_id,'long_name','Vertical levels') |
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| 173 | ! surface geopotential height: named "phis" as the sfc geopotential, is actually phis/g |
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| 174 | out_dim(1)=out_lonvdim |
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| 175 | out_dim(2)=out_latudim |
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| 176 | status = nf90_def_var(ncid_out,'phis',NF90_FLOAT,out_dim,phis_id) |
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| 177 | CALL handle_err(status) |
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| 178 | status=nf90_put_att(ncid_out,phis_id,'units','m') |
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| 179 | status=nf90_put_att(ncid_out,phis_id,'long_name','surface geopotential height') |
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| 180 | ! gridcell area |
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| 181 | status = nf90_def_var(ncid_out,'aire',NF90_FLOAT,out_dim,area_id) |
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| 182 | CALL handle_err(status) |
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| 183 | status=nf90_put_att(ncid_out,area_id,'units','m2') |
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| 184 | status=nf90_put_att(ncid_out,area_id,'long_name','gridcell area') |
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| 185 | ! land-sea mask (nearest integer approx) |
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| 186 | status = nf90_def_var(ncid_out,'mask',NF90_INT,out_dim,mask_id) |
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| 187 | CALL handle_err(status) |
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| 188 | status=nf90_put_att(ncid_out,mask_id,'long_name','land-sea mask (nINT approx)') |
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| 189 | |
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| 190 | ! END the 'define' mode in netCDF file |
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| 191 | status=nf90_enddef(ncid_out) |
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| 192 | CALL handle_err(status) |
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| 193 | |
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| 194 | ! WRITE the variables |
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| 195 | !------------------------- |
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| 196 | ! 1D : lonu, lonv,latu,latv ; INCA : presnivs |
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| 197 | status=NF90_PUT_VAR(ncid_out,out_lonuid,rlonudeg,[1],[iip1]) |
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| 198 | CALL handle_err(status) |
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| 199 | status=NF90_PUT_VAR(ncid_out,out_lonvid,rlonvdeg,[1],[iip1]) |
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| 200 | CALL handle_err(status) |
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| 201 | status=NF90_PUT_VAR(ncid_out,out_latuid,rlatudeg,[1],[jjp1]) |
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| 202 | CALL handle_err(status) |
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| 203 | status=NF90_PUT_VAR(ncid_out,out_latvid,rlatvdeg,[1],[jjm]) |
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| 204 | CALL handle_err(status) |
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| 205 | status=NF90_PUT_VAR(ncid_out,presnivs_id,rlev,[1],[llm]) |
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| 206 | CALL handle_err(status) |
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| 207 | |
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| 208 | ! 2D : grille_u,grille_v,grille_s ; INCA: phis,aire,mask |
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| 209 | start(:)=1 |
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| 210 | COUNT(1)=iip1 |
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| 211 | |
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| 212 | COUNT(2)=jjp1 ! for "u" and "s" grids |
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| 213 | status=NF90_PUT_VAR(ncid_out,out_uid,uwnd,start, count) |
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| 214 | CALL handle_err(status) |
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| 215 | COUNT(2)=jjm ! for "v" grid |
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| 216 | status=NF90_PUT_VAR(ncid_out,out_vid,vwnd,start, count) |
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| 217 | CALL handle_err(status) |
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| 218 | COUNT(2)=jjp1 ! as "s" grid, for all the following vars |
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| 219 | status=NF90_PUT_VAR(ncid_out,out_tempid,temp,start, count) |
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| 220 | CALL handle_err(status) |
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| 221 | status = nf90_put_var(ncid_out, phis_id, phis_loc,start,count) |
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| 222 | CALL handle_err(status) |
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| 223 | status = nf90_put_var(ncid_out, area_id, aire,start,count) |
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| 224 | CALL handle_err(status) |
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| 225 | status = nf90_put_var(ncid_out, mask_id,masque_int,start,count) |
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| 226 | CALL handle_err(status) |
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| 227 | |
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| 228 | ! CLOSE netcdf file |
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| 229 | CALL ncclos(ncid_out,rcode_out) |
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| 230 | write(*,*) "END grilles_gcm_netcdf_sub OK" |
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| 231 | |
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| 232 | END SUBROUTINE grilles_gcm_netcdf_sub |
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| 233 | |
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| 234 | |
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| 235 | SUBROUTINE handle_err(status) |
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| 236 | USE netcdf, ONLY: nf90_noerr, nf90_strerror |
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| 237 | IMPLICIT NONE |
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| 238 | |
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| 239 | INTEGER status |
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| 240 | IF (status.NE.nf90_noerr) THEN |
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| 241 | PRINT *,nf90_strerror(status) |
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| 242 | CALL abort_gcm('grilles_gcm_netcdf','netcdf error',1) |
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| 243 | ENDIF |
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| 244 | END SUBROUTINE handle_err |
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| 245 | |
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