Changeset 2820 for LMDZ5/trunk/libf/phylmd/open_climoz_m.F90
- Timestamp:
- Mar 10, 2017, 5:46:08 PM (7 years ago)
- File:
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- 1 edited
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LMDZ5/trunk/libf/phylmd/open_climoz_m.F90 (modified) (1 diff)
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LMDZ5/trunk/libf/phylmd/open_climoz_m.F90
r2788 r2820 1 1 ! $Id$ 2 moduleopen_climoz_m2 MODULE open_climoz_m 3 3 4 implicit none 4 USE print_control_mod, ONLY: lunout 5 IMPLICIT NONE 5 6 6 contains 7 CONTAINS 7 8 8 subroutine open_climoz(ncid, press_in_cen, press_in_edg, time_in) 9 !------------------------------------------------------------------------------- 10 ! 11 SUBROUTINE open_climoz(ncid, press_in_cen, press_in_edg, time_in, daily, adjust) 12 ! 13 !------------------------------------------------------------------------------- 14 USE netcdf95, ONLY: nf95_open, nf95_close, nf95_gw_var, nf95_inq_varid 15 USE netcdf, ONLY: nf90_nowrite 16 USE mod_phys_lmdz_mpi_data, ONLY: is_mpi_root 17 USE mod_phys_lmdz_mpi_transfert, ONLY: bcast_mpi 18 USE phys_cal_mod, ONLY: calend, year_len, year_cur 19 !------------------------------------------------------------------------------- 20 ! Purpose: This procedure should be called once per "gcm" run, by a single 21 ! thread of each MPI process. 22 ! The root MPI process opens "climoz_LMDZ.nc", reads the pressure 23 ! levels and the times and broadcasts them to the other processes. 24 ! We assume that, in "climoz_LMDZ.nc", the pressure levels are in hPa 25 ! and in strictly ascending order. 26 !------------------------------------------------------------------------------- 27 ! Arguments (OpenMP shared): 28 INTEGER, INTENT(OUT):: ncid !--- "climoz_LMDZ.nc" identifier 29 REAL, POINTER :: press_in_cen(:) !--- at cells centers 30 REAL, POINTER :: press_in_edg(:) !--- at the interfaces (pressure intervals) 31 REAL, POINTER :: time_in(:) !--- records times, in days since Jan. 1st 32 LOGICAL, INTENT(IN) :: daily !--- daily files (calendar dependent days nb) 33 LOGICAL, INTENT(IN) :: adjust !--- tropopause adjustement required 34 ! pressure levels press_in_cen/edg are in Pa a,d strictly ascending order. 35 ! time_in is only used for monthly files (14 records) 36 !------------------------------------------------------------------------------- 37 ! Local variables: 38 INTEGER :: varid !--- NetCDF variables identifier 39 INTEGER :: nlev, ntim !--- pressure levels and time records numbers 40 CHARACTER(LEN=80) :: sub 41 CHARACTER(LEN=320) :: msg 42 !------------------------------------------------------------------------------- 43 sub="open_climoz" 44 WRITE(lunout,*)"Entering routine "//TRIM(sub) 9 45 10 ! This procedure should be called once per "gcm" run, by a single 11 ! thread of each MPI process. 12 ! The root MPI process opens "climoz_LMDZ.nc", reads the pressure 13 ! levels and the times and broadcasts them to the other processes. 46 IF(is_mpi_root) THEN 14 47 15 ! We assume that, in "climoz_LMDZ.nc", the pressure levels are in hPa 16 ! and in strictly ascending order. 48 !--- OPEN FILE, READ PRESSURE LEVELS AND TIME VECTOR 49 CALL nf95_open("climoz_LMDZ.nc", nf90_nowrite, ncid) 50 CALL nf95_inq_varid(ncid, "plev", varid) 51 CALL nf95_gw_var(ncid, varid, press_in_cen) 52 ! Convert from hPa to Pa because "paprs" and "pplay" are in Pa: 53 press_in_cen = press_in_cen * 100. 54 nlev = SIZE(press_in_cen) 55 CALL NF95_INQ_VARID(ncID, "time", varID) 56 CALL NF95_GW_VAR(ncid, varid, time_in) 57 ntim = SIZE(time_in) 17 58 18 use netcdf95, only: nf95_open, nf95_close, nf95_gw_var, nf95_inq_varid 19 use netcdf, only: nf90_nowrite 59 !--- BUILD EDGES OF PRESSURE INTERVALS: HALFWAY IN LOGARITHMS 60 ALLOCATE(press_in_edg(nlev+1)) 61 press_in_edg=[0.,press_in_cen(1:nlev-1)*press_in_cen(2:nlev),HUGE(0.)] 20 62 21 use mod_phys_lmdz_mpi_data, only: is_mpi_root 22 use mod_phys_lmdz_mpi_transfert, only: bcast_mpi ! broadcast 23 USE phys_cal_mod, ONLY: calend, year_len, year_cur 63 !--- CHECK RECORDS NUMBER AND DISPLAY CORRESPONDING INFORMATION 64 IF(daily.AND.ntim/=year_len) THEN 65 WRITE(msg,'(a,3(i4,a))')TRIM(sub)//': Expecting a daily ozone file with',& 66 &year_len,' records (year ',year_cur,') ; found ',ntim,' instead' 67 CALL abort_physic(sub, msg, 1) 68 ELSE IF(ALL([360,14]/=ntim)) THEN 69 WRITE(msg,'(a,i4,a)')TRIM(sub)//': Expecting an ozone file with 14 (mont'& 70 &//'hly case) or 360 (old style files) records ; found ',ntim,' instead' 71 CALL abort_physic(sub, msg, 1) 72 ELSE 73 IF(daily) THEN 74 WRITE(msg,'(a,2(i4,a))')'daily file (',ntim,' days in ',year_cur,')' 75 ELSE IF(ntim==14) THEN 76 msg='14 records monthly file' 77 ELSE 78 msg='360 records files (old convention)' 79 END IF 80 WRITE(lunout,*)TRIM(sub)//': Using a '//TRIM(msg) 81 END IF 24 82 25 ! OpenMP shares arguments: 26 integer, intent(out):: ncid ! of "climoz_LMDZ.nc", OpenMP shared 83 !--- MESSAGE ABOUT OPTIONAL STRETCHING FOR TROPOPAUSES MATCHING 84 IF(adjust) THEN 85 WRITE(lunout,*)TRIM(sub)//': Adjusting O3 field to match gcm tropopause.' 86 ELSE 87 WRITE(lunout,*)TRIM(sub)//': Interpolating O3 field directly on gcm levels.' 88 END IF 27 89 28 ! pressure levels for ozone climatology, in Pa, strictly ascending order 29 real, pointer:: press_in_cen(:) !--- at cells centers 30 real, pointer:: press_in_edg(:) !--- at the interfaces (pressure intervals) 90 END IF 91 CALL bcast_mpi(nlev) 92 IF(.NOT.is_mpi_root) ALLOCATE(press_in_cen(nlev )); CALL bcast_mpi(press_in_cen) 93 IF(.NOT.is_mpi_root) ALLOCATE(press_in_edg(nlev+1)); CALL bcast_mpi(press_in_edg) 94 CALL bcast_mpi(ntim) 95 IF(.NOT.is_mpi_root) ALLOCATE(time_in(ntim)); CALL bcast_mpi(time_in) 31 96 32 real, pointer:: time_in(:) 33 ! times of ozone climatology records, in days since Jan. 1st 0h 97 END SUBROUTINE open_climoz 98 ! 99 !------------------------------------------------------------------------------- 34 100 35 ! Variables local to the procedure: 36 37 integer varid ! for NetCDF 38 integer n_plev ! number of pressure levels in the input data 39 integer n_time ! number of time records in the input field 40 integer k 41 CHARACTER(LEN=80) :: modname 42 CHARACTER(LEN=320) :: msg 43 44 !--------------------------------------- 45 46 modname="open_climoz" 47 print *, "Call sequence information: "//TRIM(modname) 48 49 if (is_mpi_root) then 50 call nf95_open("climoz_LMDZ.nc", nf90_nowrite, ncid) 51 52 call nf95_inq_varid(ncid, "plev", varid) 53 call nf95_gw_var(ncid, varid, press_in_cen) 54 ! Convert from hPa to Pa because "paprs" and "pplay" are in Pa: 55 press_in_cen = press_in_cen * 100. 56 n_plev = size(press_in_cen) 57 CALL NF95_INQ_VARID(ncID, "time", varID) 58 CALL NF95_GW_VAR(ncid, varid, time_in) 59 n_time = SIZE(time_in) 60 IF(ALL([year_len,14]/=n_time)) THEN !--- Check records number 61 WRITE(msg,'(a,3(i4,a))')TRIM(modname)//': expected input file could be& 62 & monthly or daily (14 or ',year_len,' records for year ',year_cur,' a& 63 &nd calendar "'//TRIM(calend)//'"), but ',n_time,' records were found' 64 CALL abort_physic(modname, msg, 1) 65 END IF 66 67 end if 68 69 call bcast_mpi(n_plev) 70 if (.not. is_mpi_root) allocate(press_in_cen(n_plev)) 71 call bcast_mpi(press_in_cen) 72 call bcast_mpi(n_time) 73 if (.not. is_mpi_root) allocate(time_in(n_time)) 74 call bcast_mpi(time_in) 75 76 ! Compute edges of pressure intervals: 77 allocate(press_in_edg(n_plev + 1)) 78 if (is_mpi_root) then 79 press_in_edg(1) = 0. 80 ! We choose edges halfway in logarithm: 81 forall (k = 2:n_plev) press_in_edg(k) = sqrt(press_in_cen(k - 1) * press_in_cen(k)) 82 press_in_edg(n_plev + 1) = huge(0.) 83 ! (infinity, but any value guaranteed to be greater than the 84 ! surface pressure would do) 85 end if 86 call bcast_mpi(press_in_edg) 87 ! deallocate(press_in_cen) ! pointer 88 89 end subroutine open_climoz 90 91 end module open_climoz_m 101 END MODULE open_climoz_m
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