| 1 | SUBROUTINE read_rsun_rrtm(debut) |
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| 2 | |
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| 3 | !**************************************************************************************** |
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| 4 | ! This routine will read the solar constant fraction per band |
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| 5 | |
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| 6 | ! Olivier Boucher with inputs from Marion Marchand |
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| 7 | !**************************************************************************************** |
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| 8 | |
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| 9 | USE netcdf95, ONLY: nf95_close, nf95_inq_varid, nf95_open, nf95_gw_var |
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| 10 | USE netcdf, ONLY: nf90_get_var, nf90_noerr, nf90_nowrite |
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| 11 | |
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| 12 | USE phys_cal_mod, ONLY : days_elapsed, year_len |
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| 13 | |
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| 14 | USE lmdz_phys_mpi_data, ONLY: is_mpi_root |
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| 15 | USE lmdz_phys_omp_data, ONLY: is_omp_root |
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| 16 | USE lmdz_phys_para |
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| 17 | USE lmdz_abort_physic, ONLY: abort_physic |
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| 18 | |
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| 19 | USE YOESW, ONLY : RSUN |
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| 20 | USE lmdz_clesphys |
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| 21 | |
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| 22 | IMPLICIT NONE |
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| 23 | |
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| 24 | |
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| 25 | ! Input arguments |
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| 26 | LOGICAL, INTENT(IN) :: debut |
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| 27 | |
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| 28 | ! Local variables |
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| 29 | INTEGER :: ncid, dimid, varid, ncerr, nbday |
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| 30 | REAL, ALLOCATABLE :: wlen(:), time(:) |
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| 31 | REAL, ALLOCATABLE, SAVE, DIMENSION(:,:) :: SSI_FRAC |
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| 32 | !$OMP THREADPRIVATE(SSI_FRAC) |
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| 33 | REAL, ALLOCATABLE, SAVE, DIMENSION(:) :: TSI(:) |
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| 34 | !$OMP THREADPRIVATE(TSI) |
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| 35 | |
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| 36 | INTEGER, SAVE :: day_pre=1 |
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| 37 | !$OMP THREADPRIVATE(day_pre) |
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| 38 | |
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| 39 | !--only one processor reads |
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| 40 | IF (debut) THEN |
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| 41 | |
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| 42 | ALLOCATE(SSI_FRAC(NSW,year_len)) |
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| 43 | ALLOCATE(TSI(year_len)) |
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| 44 | |
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| 45 | IF (is_mpi_root.AND.is_omp_root) THEN |
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| 46 | |
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| 47 | CALL nf95_open('solarforcing.nc', NF90_NOWRITE, ncid) |
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| 48 | |
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| 49 | CALL nf95_inq_varid(ncid, 'wlen', varid) |
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| 50 | CALL nf95_gw_var(ncid, varid, wlen) |
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| 51 | |
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| 52 | CALL nf95_inq_varid(ncid, 'time', varid) |
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| 53 | CALL nf95_gw_var(ncid, varid, time) |
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| 54 | |
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| 55 | IF (NSW.NE.size(wlen)) THEN |
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| 56 | PRINT *,'read_rsun_rrtm NSW <> wlen = ',NSW, size(wlen) |
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| 57 | CALL abort_physic('read_rsun_rrtm','size of SSI is different from NSW',1) |
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| 58 | ENDIF |
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| 59 | |
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| 60 | !--test if time is different from year_len but allow a mismatch of 1 day |
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| 61 | IF (size(time).NE.year_len.AND.size(time).NE.year_len+1) THEN |
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| 62 | PRINT *,'read_rsun_rrtm time <> year_len = ', size(time), year_len |
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| 63 | CALL abort_physic('read_rsun_rrtm','time dim should be the number of days in year',1) |
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| 64 | ENDIF |
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| 65 | !--warning only if forcing file has 366 days but year_len has only 365 |
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| 66 | IF (size(time).EQ.year_len+1) THEN |
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| 67 | PRINT *,'Warning read_rsun_rrtm uses a leap year rsun for a noleap year' |
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| 68 | ENDIF |
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| 69 | |
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| 70 | CALL nf95_inq_varid(ncid, 'ssi_frac', varid) |
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| 71 | ncerr = nf90_get_var(ncid, varid, SSI_FRAC) |
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| 72 | |
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| 73 | CALL nf95_inq_varid(ncid, 'tsi', varid) |
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| 74 | ncerr = nf90_get_var(ncid, varid, TSI) |
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| 75 | |
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| 76 | CALL nf95_close(ncid) |
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| 77 | |
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| 78 | DO nbday=1, year_len |
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| 79 | IF (ABS(SUM(SSI_FRAC(:,nbday))-1.).GT.1.e-6) THEN |
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| 80 | PRINT *,'somme SSI_FRAC=', SUM(SSI_FRAC(:,nbday)) |
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| 81 | CALL abort_physic('read_rsun_rrtm','somme SSI_FRAC <> 1',1) |
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| 82 | ENDIF |
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| 83 | ENDDO |
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| 84 | |
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| 85 | ENDIF ! is_mpi_root .AND. is_omp_root |
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| 86 | |
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| 87 | !$OMP BARRIER |
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| 88 | CALL bcast(SSI_FRAC) |
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| 89 | CALL bcast(TSI) |
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| 90 | |
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| 91 | ENDIF |
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| 92 | |
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| 93 | !--only read at beginning of day |
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| 94 | !--day in year is provided as days_elapsed since the beginning of the year +1 |
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| 95 | IF (debut.OR.days_elapsed+1.NE.day_pre) THEN |
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| 96 | |
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| 97 | !--keep memory of previous day |
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| 98 | day_pre=days_elapsed+1 |
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| 99 | |
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| 100 | !--copy |
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| 101 | RSUN(1:NSW)=SSI_FRAC(:,days_elapsed+1) |
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| 102 | solaire=TSI(days_elapsed+1) |
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| 103 | |
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| 104 | PRINT *,'READ_RSUN_RRTM day=', days_elapsed+1,' solaire=', solaire, ' RSUN=', RSUN(1:NSW) |
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| 105 | |
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| 106 | ENDIF !--fin allocation |
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| 107 | |
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| 108 | END SUBROUTINE read_rsun_rrtm |
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