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MODULE startdyn |
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! From startvar.F, version 1.4 |
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! January 27th, 2006 15:14:22 |
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INTEGER iml_dyn, jml_dyn, llm_dyn |
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REAL, pointer:: lon_ini(:), lat_ini(:) |
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! longitude and latitude from the input file, converted to rad |
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real, pointer:: levdyn_ini(:) |
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CONTAINS |
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SUBROUTINE start_init_dyn(tsol_2d, phis, ps) |
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use comgeom, only: rlonu, rlatv, aire_2d, apoln, apols |
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use conf_dat2d_m, only: conf_dat2d |
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use dimens_m, only: iim, jjm |
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use gr_int_dyn_m, only: gr_int_dyn |
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use inter_barxy_m, only: inter_barxy |
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use netcdf, only: nf90_nowrite |
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use netcdf95, only: nf95_open, nf95_close, nf95_get_var, nf95_inq_varid, & |
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nf95_gw_var, find_coord |
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use nr_util, only: assert, pi |
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REAL, intent(in):: tsol_2d(:, :) ! (iim + 1, jjm + 1) |
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REAL, intent(in):: phis(:, :) ! (iim + 1, jjm + 1) |
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! surface geopotential, in m2 s-2 |
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REAL, intent(out):: ps(:, :) ! (iim + 1, jjm + 1) surface pressure, in Pa |
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! Local: |
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INTEGER ncid, varid |
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REAL, ALLOCATABLE:: lon_rad(:), lat_rad(:) |
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REAL, ALLOCATABLE:: var_ana(:, :) |
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real z(iim + 1, jjm + 1) |
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real tmp_var(iim, jjm + 1) |
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|
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!-------------------------- |
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print *, "Call sequence information: start_init_dyn" |
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call assert((/size(tsol_2d, 1), size(phis, 1), size(ps, 1)/) == iim + 1, & |
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"start_init_dyn size 1") |
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call assert((/size(tsol_2d, 2), size(phis, 2), size(ps, 2)/) == jjm + 1, & |
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"start_init_dyn size 2") |
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|
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call nf95_open('ECDYN.nc', nf90_nowrite, ncid) |
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call find_coord(ncid, varid=varid, std_name="longitude") |
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call nf95_gw_var(ncid, varid, lon_ini) |
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lon_ini = lon_ini * pi / 180. ! convert to rad |
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iml_dyn = size(lon_ini) |
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print *, "iml_dyn = ", iml_dyn |
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call find_coord(ncid, varid=varid, std_name="latitude") |
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call nf95_gw_var(ncid, varid, lat_ini) |
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lat_ini = lat_ini * pi / 180. ! convert to rad |
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jml_dyn = size(lat_ini) |
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print *, "jml_dyn = ", jml_dyn |
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|
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call nf95_inq_varid(ncid, "level", varid) |
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call nf95_gw_var(ncid, varid, levdyn_ini) |
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llm_dyn = size(levdyn_ini) |
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print *, "llm_dyn = ", llm_dyn |
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ALLOCATE(var_ana(iml_dyn, jml_dyn), lon_rad(iml_dyn), lat_rad(jml_dyn)) |
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! 'Z': Surface geopotential |
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call nf95_inq_varid(ncid, 'Z', varid) |
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call nf95_get_var(ncid, varid, var_ana) |
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CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana) |
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CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), & |
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rlatv, tmp_var) |
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z = gr_int_dyn(tmp_var) |
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|
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! 'SP': Surface pressure |
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call nf95_inq_varid(ncid, 'SP', varid) |
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call nf95_get_var(ncid, varid, var_ana) |
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CALL conf_dat2d(lon_ini, lat_ini, lon_rad, lat_rad, var_ana) |
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CALL inter_barxy(lon_rad, lat_rad(:jml_dyn -1), var_ana, rlonu(:iim), & |
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rlatv, tmp_var) |
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ps = gr_int_dyn(tmp_var) |
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call nf95_close(ncid) |
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! Adapt the surface pressure to "phis", with the hypsometric equation: |
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ps(:iim, :) = ps(:iim, :) & |
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* (1. + (z(:iim, :) - phis(:iim, :)) / 287. / tsol_2d(:iim, :)) |
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ps(iim + 1, :) = ps(1, :) |
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ps(:, 1) = SUM(aire_2d(:iim, 1) * ps(:iim, 1)) / apoln |
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ps(:, jjm + 1) = SUM(aire_2d(:iim, jjm + 1) * ps(:iim, jjm + 1)) / apols |
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END SUBROUTINE start_init_dyn |
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END MODULE startdyn |
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