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! |
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! $Id$ |
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! |
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!--This routine is to be tested with MPI / OMP parallelism |
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!--OB 26/03/2018 |
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SUBROUTINE readchlorophyll(debut) |
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USE netcdf95, ONLY: nf95_close, nf95_gw_var, nf95_inq_dimid, nf95_inq_varid, nf95_open |
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USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite |
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USE phys_cal_mod, ONLY: mth_cur |
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USE mod_grid_phy_lmdz, ONLY: nbp_lon, nbp_lat, klon_glo, grid2dto1d_glo |
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USE mod_phys_lmdz_mpi_data, ONLY: is_mpi_root |
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USE mod_phys_lmdz_omp_data, ONLY: is_omp_root |
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USE mod_phys_lmdz_para, ONLY: scatter |
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USE phys_state_var_mod, ONLY: chl_con |
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USE print_control_mod, ONLY: prt_level,lunout |
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IMPLICIT NONE |
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INCLUDE "YOMCST.h" |
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! Variable input |
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LOGICAL debut |
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! Variables locales |
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INTEGER n_lat ! number of latitudes in the input data |
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INTEGER n_lon ! number of longitudes in the input data |
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INTEGER n_lev ! number of levels in the input data |
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INTEGER n_month ! number of months in the input data |
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REAL, POINTER :: latitude(:) |
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REAL, POINTER :: longitude(:) |
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REAL, POINTER :: time(:) |
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INTEGER i, k |
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INTEGER, SAVE :: mth_pre |
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!$OMP THREADPRIVATE(mth_pre) |
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! Champs reconstitues |
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REAL, ALLOCATABLE :: chlorocon(:, :, :) |
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REAL, ALLOCATABLE :: chlorocon_mois(:, :) |
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REAL, ALLOCATABLE :: chlorocon_mois_glo(:) |
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! For NetCDF: |
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INTEGER ncid_in ! IDs for input files |
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INTEGER varid, ncerr |
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!-------------------------------------------------------- |
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CHARACTER (len = 20) :: modname = 'readchlorophyll' |
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CHARACTER (len = 80) :: abort_message |
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!--only read file if beginning of run or start of new month |
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IF (debut.OR.mth_cur.NE.mth_pre) THEN |
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IF (is_mpi_root.AND.is_omp_root) THEN |
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CALL nf95_open("chlorophyll.nc", nf90_nowrite, ncid_in) |
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CALL nf95_inq_varid(ncid_in, "lon", varid) |
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CALL nf95_gw_var(ncid_in, varid, longitude) |
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n_lon = size(longitude) |
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IF (n_lon.NE.nbp_lon) THEN |
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abort_message='Le nombre de lon n est pas egal a nbp_lon' |
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CALL abort_physic(modname,abort_message,1) |
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ENDIF |
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CALL nf95_inq_varid(ncid_in, "lat", varid) |
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CALL nf95_gw_var(ncid_in, varid, latitude) |
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n_lat = size(latitude) |
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IF (n_lat.NE.nbp_lat) THEN |
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abort_message='Le nombre de lat n est pas egal a jnbp_lat' |
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CALL abort_physic(modname,abort_message,1) |
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ENDIF |
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CALL nf95_inq_varid(ncid_in, "time", varid) |
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CALL nf95_gw_var(ncid_in, varid, time) |
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n_month = size(time) |
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IF (n_month.NE.12) THEN |
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abort_message='Le nombre de month n est pas egal a 12' |
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CALL abort_physic(modname,abort_message,1) |
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ENDIF |
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IF (.not.ALLOCATED(chlorocon)) ALLOCATE(chlorocon(n_lon, n_lat, n_month)) |
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IF (.not.ALLOCATED(chlorocon_mois)) ALLOCATE(chlorocon_mois(n_lon, n_lat)) |
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IF (.not.ALLOCATED(chlorocon_mois_glo)) ALLOCATE(chlorocon_mois_glo(klon_glo)) |
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!--reading stratospheric AOD at 550 nm |
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CALL nf95_inq_varid(ncid_in, "CHL", varid) |
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ncerr = nf90_get_var(ncid_in, varid, chlorocon) |
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WRITE(lunout,*)'code erreur readchlorophyll=', ncerr, varid |
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CALL nf95_close(ncid_in) |
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!---select the correct month |
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IF (mth_cur.LT.1.OR.mth_cur.GT.12) THEN |
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WRITE(lunout,*)'probleme avec le mois dans readchlorophyll =', mth_cur |
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ENDIF |
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chlorocon_mois(:,:) = chlorocon(:,:,mth_cur) |
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!---reduce to a klon_glo grid |
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CALL grid2dTo1d_glo(chlorocon_mois,chlorocon_mois_glo) |
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WRITE(lunout,*)"chrolophyll current month",mth_cur |
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DO i=1,klon_glo |
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! if(isnan(chlorocon_mois_glo(i)))then ! isnan() is not in the Fortran standard... |
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! Another way to check for NaN: |
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IF (chlorocon_mois_glo(i).NE.chlorocon_mois_glo(i)) chlorocon_mois_glo(i)=0. |
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ENDDO |
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! DEALLOCATE(chlorocon) |
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! DEALLOCATE(chlorocon_mois) |
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! DEALLOCATE(chlorocon_mois_glo) |
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ENDIF !--is_mpi_root and is_omp_root |
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!--scatter on all proc |
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CALL scatter(chlorocon_mois_glo,chl_con) |
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!--keep memory of previous month |
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mth_pre=mth_cur |
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ENDIF !--debut ou nouveau mois |
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END SUBROUTINE readchlorophyll |
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