[1179] | 1 | ! $Id: readaerosol.F90 1299 2010-01-20 14:27:21Z acozic $ |
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[524] | 2 | ! |
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[1179] | 3 | MODULE readaerosol_mod |
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| 4 | |
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| 5 | REAL, SAVE :: not_valid=-333. |
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| 6 | |
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| 7 | CONTAINS |
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| 8 | |
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[1270] | 9 | SUBROUTINE readaerosol(name_aero, type, iyr_in, klev_src, pt_ap, pt_b, pt_out, psurf, load) |
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[1179] | 10 | |
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| 11 | !**************************************************************************************** |
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| 12 | ! This routine will read the aersosol from file. |
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[524] | 13 | ! |
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[1179] | 14 | ! Read a year data with get_aero_fromfile depending on aer_type : |
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| 15 | ! - actuel : read year 1980 |
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| 16 | ! - preind : read natural data |
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| 17 | ! - scenario : read one or two years and do eventually linare time interpolation |
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[1150] | 18 | ! |
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[1179] | 19 | ! Return pointer, pt_out, to the year read or result from interpolation |
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| 20 | !**************************************************************************************** |
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| 21 | USE dimphy |
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[524] | 22 | |
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[1179] | 23 | IMPLICIT NONE |
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[766] | 24 | |
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[1179] | 25 | INCLUDE "iniprint.h" |
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[1143] | 26 | |
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[1179] | 27 | ! Input arguments |
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| 28 | CHARACTER(len=7), INTENT(IN) :: name_aero |
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| 29 | CHARACTER(len=*), INTENT(IN) :: type ! correspond to aer_type in clesphys.h |
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| 30 | INTEGER, INTENT(IN) :: iyr_in |
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[1150] | 31 | |
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[1179] | 32 | ! Output |
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| 33 | INTEGER, INTENT(OUT) :: klev_src |
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| 34 | REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels |
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| 35 | REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels |
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[1270] | 36 | REAL, POINTER, DIMENSION(:,:,:) :: pt_out ! The massvar distributions, DIMENSION(klon, klev_src, 12) |
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| 37 | REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf ! Surface pression for 12 months |
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| 38 | REAL, DIMENSION(klon,12), INTENT(OUT) :: load ! Aerosol mass load in each column for 12 months |
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[1150] | 39 | |
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[1179] | 40 | ! Local variables |
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[1270] | 41 | CHARACTER(len=4) :: cyear |
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| 42 | REAL, POINTER, DIMENSION(:,:,:) :: pt_2 |
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| 43 | REAL, DIMENSION(klon,12) :: psurf2, load2 |
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| 44 | REAL :: p0 ! Reference pressure |
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| 45 | INTEGER :: iyr1, iyr2, klev_src2 |
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| 46 | INTEGER :: it, k, i |
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| 47 | LOGICAL, PARAMETER :: lonlyone=.FALSE. |
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[1150] | 48 | |
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[1179] | 49 | !**************************************************************************************** |
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| 50 | ! Read data depending on aer_type |
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| 51 | ! |
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| 52 | !**************************************************************************************** |
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[524] | 53 | |
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[1179] | 54 | IF (type == 'actuel') THEN |
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| 55 | ! Read and return data for year 1980 |
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| 56 | !**************************************************************************************** |
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| 57 | cyear='1980' |
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[1270] | 58 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 59 | ! pt_out has dimensions (klon, klev_src, 12) |
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| 60 | CALL get_aero_fromfile(name_aero, cyear, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 61 | |
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[640] | 62 | |
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[1179] | 63 | ELSE IF (type == 'preind') THEN |
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| 64 | ! Read and return data from file with suffix .nat |
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| 65 | !**************************************************************************************** |
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| 66 | cyear='.nat' |
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[1270] | 67 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 68 | ! pt_out has dimensions (klon, klev_src, 12) |
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| 69 | CALL get_aero_fromfile(name_aero, cyear, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 70 | |
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| 71 | ELSE IF (type == 'scenario') THEN |
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| 72 | ! Read data depending on actual year and interpolate if necessary |
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| 73 | !**************************************************************************************** |
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| 74 | IF (iyr_in .LT. 1850) THEN |
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| 75 | cyear='.nat' |
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| 76 | WRITE(lunout,*) 'get_aero 1 iyr_in=', iyr_in,' ',cyear |
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[1270] | 77 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 78 | ! pt_out has dimensions (klon, klev_src, 12) |
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| 79 | CALL get_aero_fromfile(name_aero, cyear, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 80 | |
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| 81 | ELSE IF (iyr_in .GE. 2100) THEN |
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| 82 | cyear='2100' |
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| 83 | WRITE(lunout,*) 'get_aero 2 iyr_in=', iyr_in,' ',cyear |
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[1270] | 84 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 85 | ! pt_out has dimensions (klon, klev_src, 12) |
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| 86 | CALL get_aero_fromfile(name_aero, cyear, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 87 | |
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| 88 | ELSE |
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| 89 | ! Read data from 2 decades and interpolate to actual year |
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| 90 | ! a) from actual 10-yr-period |
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| 91 | IF (iyr_in.LT.1900) THEN |
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| 92 | iyr1 = 1850 |
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| 93 | iyr2 = 1900 |
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| 94 | ELSE IF (iyr_in.GE.1900.AND.iyr_in.LT.1920) THEN |
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| 95 | iyr1 = 1900 |
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| 96 | iyr2 = 1920 |
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| 97 | ELSE |
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| 98 | iyr1 = INT(iyr_in/10)*10 |
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| 99 | iyr2 = INT(1+iyr_in/10)*10 |
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| 100 | ENDIF |
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| 101 | |
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| 102 | WRITE(cyear,'(I4)') iyr1 |
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| 103 | WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear |
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[1270] | 104 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 105 | ! pt_out has dimensions (klon, klev_src, 12) |
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| 106 | CALL get_aero_fromfile(name_aero, cyear, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 107 | |
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| 108 | ! If to read two decades: |
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| 109 | IF (.NOT.lonlyone) THEN |
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| 110 | |
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| 111 | ! b) from the next following one |
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| 112 | WRITE(cyear,'(I4)') iyr2 |
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| 113 | WRITE(lunout,*) 'get_aero 4 iyr_in=', iyr_in,' ',cyear |
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| 114 | |
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| 115 | NULLIFY(pt_2) |
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[1270] | 116 | ! get_aero_fromfile returns pt_2 allocated and initialized with data for 12 month |
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| 117 | ! pt_2 has dimensions (klon, klev_src, 12) |
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| 118 | CALL get_aero_fromfile(name_aero, cyear, klev_src2, pt_ap, pt_b, p0, pt_2, psurf2, load2) |
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[1179] | 119 | ! Test for same number of vertical levels |
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| 120 | IF (klev_src /= klev_src2) THEN |
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| 121 | WRITE(lunout,*) 'Two aerosols files with different number of vertical levels is not allowded' |
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| 122 | CALL abort_gcm('readaersosol','Error in number of vertical levels',1) |
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| 123 | END IF |
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| 124 | |
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| 125 | ! Linare interpolate to the actual year: |
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[1270] | 126 | DO it=1,12 |
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[1179] | 127 | DO k=1,klev_src |
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| 128 | DO i = 1, klon |
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| 129 | pt_out(i,k,it) = & |
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[1299] | 130 | pt_out(i,k,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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[1179] | 131 | (pt_out(i,k,it) - pt_2(i,k,it)) |
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| 132 | END DO |
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| 133 | END DO |
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[1143] | 134 | |
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[1179] | 135 | DO i = 1, klon |
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[1270] | 136 | psurf(i,it) = & |
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[1299] | 137 | psurf(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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[1270] | 138 | (psurf(i,it) - psurf2(i,it)) |
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[640] | 139 | |
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[1270] | 140 | load(i,it) = & |
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[1299] | 141 | load(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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[1270] | 142 | (load(i,it) - load2(i,it)) |
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[1179] | 143 | END DO |
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| 144 | END DO |
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[524] | 145 | |
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[1179] | 146 | ! Deallocate pt_2 no more needed |
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| 147 | DEALLOCATE(pt_2) |
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| 148 | |
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| 149 | END IF ! lonlyone |
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| 150 | END IF ! iyr_in .LT. 1850 |
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[524] | 151 | |
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[1179] | 152 | ELSE |
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| 153 | WRITE(lunout,*)'This option is not implemented : aer_type = ', type |
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| 154 | CALL abort_gcm('readaerosol','Error : aer_type parameter not accepted',1) |
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| 155 | END IF ! type |
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[640] | 156 | |
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[1151] | 157 | |
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[1179] | 158 | END SUBROUTINE readaerosol |
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[1143] | 159 | |
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| 160 | |
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[1270] | 161 | SUBROUTINE get_aero_fromfile(varname, cyr, klev_src, pt_ap, pt_b, p0, pt_year, psurf_out, load_out) |
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[1179] | 162 | !**************************************************************************************** |
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[1270] | 163 | ! Read 12 month aerosol from file and distribute to local process on physical grid. |
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[1179] | 164 | ! Vertical levels, klev_src, may differ from model levels if new file format. |
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| 165 | ! |
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| 166 | ! For mpi_root and master thread : |
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| 167 | ! 1) Open file |
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| 168 | ! 2) Find vertical dimension klev_src |
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| 169 | ! 3) Read field month by month |
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| 170 | ! 4) Close file |
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| 171 | ! 5) Transform the global field from 2D(iim, jjp+1) to 1D(klon_glo) |
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| 172 | ! - Also the levels and the latitudes have to be inversed |
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| 173 | ! |
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| 174 | ! For all processes and threads : |
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| 175 | ! 6) Scatter global field(klon_glo) to local process domain(klon) |
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| 176 | ! 7) Test for negative values |
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| 177 | !**************************************************************************************** |
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[1150] | 178 | |
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[1179] | 179 | USE netcdf |
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| 180 | USE dimphy |
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| 181 | USE mod_grid_phy_lmdz |
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| 182 | USE mod_phys_lmdz_para |
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[1183] | 183 | USE iophy, ONLY : io_lon, io_lat |
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[1179] | 184 | |
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| 185 | IMPLICIT NONE |
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[524] | 186 | |
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[1179] | 187 | INCLUDE "dimensions.h" |
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| 188 | INCLUDE "iniprint.h" |
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[524] | 189 | |
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[1179] | 190 | ! Input argumets |
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| 191 | CHARACTER(len=7), INTENT(IN) :: varname |
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| 192 | CHARACTER(len=4), INTENT(IN) :: cyr |
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[1150] | 193 | |
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[1179] | 194 | ! Output arguments |
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| 195 | INTEGER, INTENT(OUT) :: klev_src ! Number of vertical levels in file |
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| 196 | REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels |
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| 197 | REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels |
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| 198 | REAL :: p0 ! Reference pressure value |
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[1270] | 199 | REAL, POINTER, DIMENSION(:,:,:) :: pt_year ! Pointer-variabale from file, 12 month, grid : klon,klev_src |
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| 200 | REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf_out ! Surface pression for 12 months |
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| 201 | REAL, DIMENSION(klon,12), INTENT(OUT) :: load_out ! Aerosol mass load in each column |
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[1150] | 202 | |
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[1179] | 203 | ! Local variables |
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| 204 | CHARACTER(len=30) :: fname |
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[1223] | 205 | CHARACTER(len=8) :: filename='aerosols' |
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[1179] | 206 | CHARACTER(len=30) :: cvar |
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| 207 | INTEGER :: ncid, dimid, varid |
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| 208 | INTEGER :: imth, i, j, k, ierr |
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| 209 | REAL :: npole, spole |
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| 210 | REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varmth |
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[1270] | 211 | REAL, ALLOCATABLE, DIMENSION(:,:,:,:) :: varyear ! Global variable read from file, 12 month |
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| 212 | REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varyear_glo1D !(klon_glo, klev_src, 12) |
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[1179] | 213 | REAL, ALLOCATABLE, DIMENSION(:) :: varktmp |
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[524] | 214 | |
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[1270] | 215 | REAL, DIMENSION(iim,jjm+1,12) :: psurf_glo2D ! Surface pression for 12 months on dynamics global grid |
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| 216 | REAL, DIMENSION(klon_glo,12) :: psurf_glo1D ! -"- on physical global grid |
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| 217 | REAL, DIMENSION(iim,jjm+1,12) :: load_glo2D ! Load for 12 months on dynamics global grid |
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| 218 | REAL, DIMENSION(klon_glo,12) :: load_glo1D ! -"- on physical global grid |
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[1179] | 219 | REAL, DIMENSION(iim,jjm+1) :: vartmp |
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[1183] | 220 | REAL, DIMENSION(iim) :: lon_src ! longitudes in file |
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| 221 | REAL, DIMENSION(jjm+1) :: lat_src, lat_src_inv ! latitudes in file |
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| 222 | LOGICAL :: new_file ! true if new file format detected |
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| 223 | LOGICAL :: invert_lat ! true if the field has to be inverted for latitudes |
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[766] | 224 | |
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[524] | 225 | |
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[1179] | 226 | ! Deallocate pointers |
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| 227 | IF (ASSOCIATED(pt_ap)) DEALLOCATE(pt_ap) |
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| 228 | IF (ASSOCIATED(pt_b)) DEALLOCATE(pt_b) |
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[766] | 229 | |
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[1249] | 230 | IF (is_mpi_root .AND. is_omp_root) THEN |
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[524] | 231 | |
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[1179] | 232 | ! 1) Open file |
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| 233 | !**************************************************************************************** |
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[1223] | 234 | fname = filename//cyr//'.nc' |
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[1150] | 235 | |
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[1179] | 236 | WRITE(lunout,*) 'reading ', TRIM(fname) |
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| 237 | CALL check_err( nf90_open(TRIM(fname), NF90_NOWRITE, ncid) ) |
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[1150] | 238 | |
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[1183] | 239 | ! Test for equal longitudes and latitudes in file and model |
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| 240 | !**************************************************************************************** |
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| 241 | ! Read and test longitudes |
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| 242 | CALL check_err( nf90_inq_varid(ncid, 'lon', varid) ) |
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| 243 | CALL check_err( nf90_get_var(ncid, varid, lon_src(:)) ) |
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| 244 | |
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[1202] | 245 | IF (maxval(ABS(lon_src - io_lon)) > 0.001) THEN |
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[1183] | 246 | WRITE(lunout,*) 'Problem in longitudes read from file : ',TRIM(fname) |
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| 247 | WRITE(lunout,*) 'longitudes in file ', TRIM(fname),' : ', lon_src |
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| 248 | WRITE(lunout,*) 'longitudes in model :', io_lon |
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| 249 | |
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| 250 | CALL abort_gcm('get_aero_fromfile', 'longitudes are not the same in file and model',1) |
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| 251 | END IF |
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| 252 | |
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| 253 | ! Read and test latitudes |
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| 254 | CALL check_err( nf90_inq_varid(ncid, 'lat', varid) ) |
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| 255 | CALL check_err( nf90_get_var(ncid, varid, lat_src(:)) ) |
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| 256 | |
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| 257 | ! Invert source latitudes |
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| 258 | DO j = 1, jjm+1 |
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| 259 | lat_src_inv(j) = lat_src(jjm+1 +1 -j) |
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| 260 | END DO |
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| 261 | |
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[1202] | 262 | IF (maxval(ABS(lat_src - io_lat)) < 0.001) THEN |
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[1183] | 263 | ! Latitudes are the same |
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| 264 | invert_lat=.FALSE. |
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[1202] | 265 | ELSE IF (maxval(ABS(lat_src_inv - io_lat)) < 0.001) THEN |
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[1183] | 266 | ! Inverted source latitudes correspond to model latitudes |
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| 267 | WRITE(lunout,*) 'latitudes will be inverted for file : ',TRIM(fname) |
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| 268 | invert_lat=.TRUE. |
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| 269 | ELSE |
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| 270 | WRITE(lunout,*) 'Problem in latitudes read from file : ',TRIM(fname) |
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| 271 | WRITE(lunout,*) 'latitudes in file ', TRIM(fname),' : ', lat_src |
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| 272 | WRITE(lunout,*) 'latitudes in model :', io_lat |
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| 273 | CALL abort_gcm('get_aero_fromfile', 'latitudes do not correspond between file and model',1) |
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| 274 | END IF |
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| 275 | |
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[1179] | 276 | ! 2) Check if old or new file is avalabale. |
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| 277 | ! New type of file should contain the dimension 'lev' |
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| 278 | ! Old type of file should contain the dimension 'PRESNIVS' |
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| 279 | !**************************************************************************************** |
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| 280 | ierr = nf90_inq_dimid(ncid, 'lev', dimid) |
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| 281 | IF (ierr /= NF90_NOERR) THEN |
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| 282 | ! Coordinate axe lev not found. Check for presnivs. |
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| 283 | ierr = nf90_inq_dimid(ncid, 'PRESNIVS', dimid) |
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| 284 | IF (ierr /= NF90_NOERR) THEN |
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| 285 | ! Dimension PRESNIVS not found either |
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| 286 | CALL abort_gcm('get_aero_fromfile', 'dimension lev or presnivs not in file',1) |
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| 287 | ELSE |
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| 288 | ! Old file found |
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| 289 | new_file=.FALSE. |
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| 290 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will not be done' |
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| 291 | END IF |
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| 292 | ELSE |
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| 293 | ! New file found |
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| 294 | new_file=.TRUE. |
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| 295 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done' |
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| 296 | END IF |
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| 297 | |
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| 298 | ! 2) Find vertical dimension klev_src |
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| 299 | !**************************************************************************************** |
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| 300 | CALL check_err( nf90_inquire_dimension(ncid, dimid, len = klev_src) ) |
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| 301 | |
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| 302 | ! Allocate variables depending on the number of vertical levels |
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[1270] | 303 | ALLOCATE(varmth(iim, jjm+1, klev_src), varyear(iim, jjm+1, klev_src, 12), stat=ierr) |
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[1179] | 304 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 1',1) |
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[1150] | 305 | |
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[1179] | 306 | ALLOCATE(pt_ap(klev_src), pt_b(klev_src), varktmp(klev_src), stat=ierr) |
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| 307 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 2',1) |
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[1150] | 308 | |
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[1179] | 309 | ! 3) Read all variables from file |
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| 310 | ! There is 2 options for the file structure : |
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| 311 | ! new_file=TRUE : read varyear, ps, pt_ap and pt_b |
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| 312 | ! new_file=FALSE : read varyear month by month |
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| 313 | !**************************************************************************************** |
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[1150] | 314 | |
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[1179] | 315 | IF (new_file) THEN |
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[1150] | 316 | |
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[1179] | 317 | ! ++) Read the aerosol concentration month by month and concatenate to total variable varyear |
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| 318 | !**************************************************************************************** |
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| 319 | ! Get variable id |
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| 320 | CALL check_err( nf90_inq_varid(ncid, TRIM(varname), varid) ) |
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| 321 | |
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| 322 | ! Get the variable |
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| 323 | CALL check_err( nf90_get_var(ncid, varid, varyear(:,:,:,:)) ) |
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| 324 | |
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[1270] | 325 | ! ++) Read surface pression, 12 month in one variable |
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[1179] | 326 | !**************************************************************************************** |
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| 327 | ! Get variable id |
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| 328 | CALL check_err( nf90_inq_varid(ncid, "ps", varid) ) |
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| 329 | ! Get the variable |
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| 330 | CALL check_err( nf90_get_var(ncid, varid, psurf_glo2D) ) |
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| 331 | |
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| 332 | ! ++) Read mass load, 12 month in one variable |
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| 333 | !**************************************************************************************** |
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| 334 | ! Get variable id |
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| 335 | CALL check_err( nf90_inq_varid(ncid, "load_"//TRIM(varname), varid) ) |
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| 336 | ! Get the variable |
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| 337 | CALL check_err( nf90_get_var(ncid, varid, load_glo2D) ) |
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| 338 | |
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| 339 | ! ++) Read ap |
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| 340 | !**************************************************************************************** |
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| 341 | ! Get variable id |
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| 342 | CALL check_err( nf90_inq_varid(ncid, "ap", varid) ) |
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| 343 | ! Get the variable |
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| 344 | CALL check_err( nf90_get_var(ncid, varid, pt_ap) ) |
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[1150] | 345 | |
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[1179] | 346 | ! ++) Read b |
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| 347 | !**************************************************************************************** |
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| 348 | ! Get variable id |
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| 349 | CALL check_err( nf90_inq_varid(ncid, "b", varid) ) |
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| 350 | ! Get the variable |
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| 351 | CALL check_err( nf90_get_var(ncid, varid, pt_b) ) |
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[1150] | 352 | |
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[1179] | 353 | ! ++) Read p0 : reference pressure |
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| 354 | !**************************************************************************************** |
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| 355 | ! Get variable id |
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| 356 | CALL check_err( nf90_inq_varid(ncid, "p0", varid) ) |
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| 357 | ! Get the variable |
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| 358 | CALL check_err( nf90_get_var(ncid, varid, p0) ) |
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[1150] | 359 | |
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[524] | 360 | |
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[1179] | 361 | ELSE ! old file |
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[524] | 362 | |
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[1179] | 363 | ! ++) Read the aerosol concentration month by month and concatenate to total variable varyear |
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| 364 | !**************************************************************************************** |
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[1270] | 365 | DO imth=1, 12 |
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[1179] | 366 | IF (imth.EQ.1) THEN |
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| 367 | cvar=TRIM(varname)//'JAN' |
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| 368 | ELSE IF (imth.EQ.2) THEN |
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| 369 | cvar=TRIM(varname)//'FEB' |
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| 370 | ELSE IF (imth.EQ.3) THEN |
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| 371 | cvar=TRIM(varname)//'MAR' |
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| 372 | ELSE IF (imth.EQ.4) THEN |
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| 373 | cvar=TRIM(varname)//'APR' |
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| 374 | ELSE IF (imth.EQ.5) THEN |
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| 375 | cvar=TRIM(varname)//'MAY' |
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| 376 | ELSE IF (imth.EQ.6) THEN |
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| 377 | cvar=TRIM(varname)//'JUN' |
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| 378 | ELSE IF (imth.EQ.7) THEN |
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| 379 | cvar=TRIM(varname)//'JUL' |
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| 380 | ELSE IF (imth.EQ.8) THEN |
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| 381 | cvar=TRIM(varname)//'AUG' |
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| 382 | ELSE IF (imth.EQ.9) THEN |
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| 383 | cvar=TRIM(varname)//'SEP' |
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| 384 | ELSE IF (imth.EQ.10) THEN |
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| 385 | cvar=TRIM(varname)//'OCT' |
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| 386 | ELSE IF (imth.EQ.11) THEN |
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| 387 | cvar=TRIM(varname)//'NOV' |
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| 388 | ELSE IF (imth.EQ.12) THEN |
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| 389 | cvar=TRIM(varname)//'DEC' |
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| 390 | END IF |
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| 391 | |
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| 392 | ! Get variable id |
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| 393 | CALL check_err( nf90_inq_varid(ncid, TRIM(cvar), varid) ) |
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| 394 | |
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| 395 | ! Get the variable |
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| 396 | CALL check_err( nf90_get_var(ncid, varid, varmth) ) |
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| 397 | |
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| 398 | ! Store in variable for the whole year |
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| 399 | varyear(:,:,:,imth)=varmth(:,:,:) |
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| 400 | |
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| 401 | END DO |
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[1150] | 402 | |
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[1179] | 403 | ! Putting dummy |
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| 404 | psurf_glo2D(:,:,:) = not_valid |
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| 405 | load_glo2D(:,:,:) = not_valid |
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| 406 | pt_ap(:) = not_valid |
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| 407 | pt_b(:) = not_valid |
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[524] | 408 | |
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[1179] | 409 | END IF |
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[524] | 410 | |
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[1179] | 411 | ! 4) Close file |
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| 412 | !**************************************************************************************** |
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| 413 | CALL check_err( nf90_close(ncid) ) |
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| 414 | |
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[524] | 415 | |
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[1179] | 416 | ! 5) Transform the global field from 2D(iim, jjp+1) to 1D(klon_glo) |
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| 417 | !**************************************************************************************** |
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| 418 | ! Test if vertical levels have to be inversed |
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[782] | 419 | |
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[1179] | 420 | IF ((pt_b(1) < pt_b(klev_src)) .OR. .NOT. new_file) THEN |
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[1183] | 421 | WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' needs to be inverted' |
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[1179] | 422 | WRITE(lunout,*) 'before pt_ap = ', pt_ap |
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| 423 | WRITE(lunout,*) 'before pt_b = ', pt_b |
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| 424 | |
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| 425 | ! Inverse vertical levels for varyear |
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[1270] | 426 | DO imth=1, 12 |
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[1179] | 427 | varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly |
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| 428 | DO k=1, klev_src |
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| 429 | DO j=1, jjm+1 |
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| 430 | DO i=1,iim |
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| 431 | varyear(i,j,k,imth) = varmth(i,j,klev_src+1-k) |
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| 432 | END DO |
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| 433 | END DO |
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| 434 | END DO |
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| 435 | END DO |
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| 436 | |
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| 437 | ! Inverte vertical axes for pt_ap and pt_b |
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| 438 | varktmp(:) = pt_ap(:) |
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| 439 | DO k=1, klev_src |
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| 440 | pt_ap(k) = varktmp(klev_src+1-k) |
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| 441 | END DO |
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[782] | 442 | |
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[1179] | 443 | varktmp(:) = pt_b(:) |
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| 444 | DO k=1, klev_src |
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| 445 | pt_b(k) = varktmp(klev_src+1-k) |
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| 446 | END DO |
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| 447 | WRITE(lunout,*) 'after pt_ap = ', pt_ap |
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| 448 | WRITE(lunout,*) 'after pt_b = ', pt_b |
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[524] | 449 | |
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[1179] | 450 | ELSE |
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| 451 | WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' is ok, no vertical inversion is done' |
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| 452 | WRITE(lunout,*) 'pt_ap = ', pt_ap |
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| 453 | WRITE(lunout,*) 'pt_b = ', pt_b |
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| 454 | END IF |
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[524] | 455 | |
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[1183] | 456 | ! - Invert latitudes if necessary |
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[1270] | 457 | DO imth=1, 12 |
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[1183] | 458 | IF (invert_lat) THEN |
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| 459 | |
---|
| 460 | ! Invert latitudes for the variable |
---|
| 461 | varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly |
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| 462 | DO k=1,klev_src |
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| 463 | DO j=1,jjm+1 |
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| 464 | DO i=1,iim |
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| 465 | varyear(i,j,k,imth) = varmth(i,jjm+1+1-j,k) |
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| 466 | END DO |
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| 467 | END DO |
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| 468 | END DO |
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| 469 | |
---|
| 470 | ! Invert latitudes for surface pressure |
---|
| 471 | vartmp(:,:) = psurf_glo2D(:,:,imth) |
---|
| 472 | DO j=1, jjm+1 |
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[1179] | 473 | DO i=1,iim |
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[1183] | 474 | psurf_glo2D(i,j,imth)= vartmp(i,jjm+1+1-j) |
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[1179] | 475 | END DO |
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| 476 | END DO |
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[1183] | 477 | |
---|
| 478 | ! Invert latitudes for the load |
---|
| 479 | vartmp(:,:) = load_glo2D(:,:,imth) |
---|
| 480 | DO j=1, jjm+1 |
---|
| 481 | DO i=1,iim |
---|
| 482 | load_glo2D(i,j,imth)= vartmp(i,jjm+1+1-j) |
---|
| 483 | END DO |
---|
[1179] | 484 | END DO |
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[1183] | 485 | END IF ! invert_lat |
---|
| 486 | |
---|
[1179] | 487 | ! Do zonal mead at poles and distribut at whole first and last latitude |
---|
| 488 | DO k=1, klev_src |
---|
| 489 | npole=0. ! North pole, j=1 |
---|
| 490 | spole=0. ! South pole, j=jjm+1 |
---|
| 491 | DO i=1,iim |
---|
| 492 | npole = npole + varyear(i,1,k,imth) |
---|
| 493 | spole = spole + varyear(i,jjm+1,k,imth) |
---|
| 494 | END DO |
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[1299] | 495 | npole = npole/REAL(iim) |
---|
| 496 | spole = spole/REAL(iim) |
---|
[1179] | 497 | varyear(:,1, k,imth) = npole |
---|
| 498 | varyear(:,jjm+1,k,imth) = spole |
---|
| 499 | END DO |
---|
| 500 | END DO ! imth |
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[1183] | 501 | |
---|
[1270] | 502 | ALLOCATE(varyear_glo1D(klon_glo, klev_src, 12), stat=ierr) |
---|
[1179] | 503 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 3',1) |
---|
| 504 | |
---|
| 505 | ! Transform from 2D to 1D field |
---|
| 506 | CALL grid2Dto1D_glo(varyear,varyear_glo1D) |
---|
| 507 | CALL grid2Dto1D_glo(psurf_glo2D,psurf_glo1D) |
---|
| 508 | CALL grid2Dto1D_glo(load_glo2D,load_glo1D) |
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[1249] | 509 | |
---|
| 510 | ELSE |
---|
| 511 | ALLOCATE(varyear_glo1D(0,0,0)) |
---|
| 512 | END IF ! is_mpi_root .AND. is_omp_root |
---|
| 513 | |
---|
[1189] | 514 | !$OMP BARRIER |
---|
[1179] | 515 | |
---|
| 516 | ! 6) Distribute to all processes |
---|
| 517 | ! Scatter global field(klon_glo) to local process domain(klon) |
---|
| 518 | ! and distribute klev_src to all processes |
---|
| 519 | !**************************************************************************************** |
---|
[524] | 520 | |
---|
[1179] | 521 | ! Distribute klev_src |
---|
| 522 | CALL bcast(klev_src) |
---|
[524] | 523 | |
---|
[1179] | 524 | ! Allocate and distribute pt_ap and pt_b |
---|
| 525 | IF (.NOT. ASSOCIATED(pt_ap)) THEN ! if pt_ap is allocated also pt_b is allocated |
---|
| 526 | ALLOCATE(pt_ap(klev_src), pt_b(klev_src), stat=ierr) |
---|
| 527 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 4',1) |
---|
| 528 | END IF |
---|
| 529 | CALL bcast(pt_ap) |
---|
| 530 | CALL bcast(pt_b) |
---|
[524] | 531 | |
---|
[1179] | 532 | ! Allocate space for output pointer variable at local process |
---|
| 533 | IF (ASSOCIATED(pt_year)) DEALLOCATE(pt_year) |
---|
[1270] | 534 | ALLOCATE(pt_year(klon, klev_src, 12), stat=ierr) |
---|
| 535 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 5',1) |
---|
[524] | 536 | |
---|
[1179] | 537 | ! Scatter global field to local domain at local process |
---|
| 538 | CALL scatter(varyear_glo1D, pt_year) |
---|
[1270] | 539 | CALL scatter(psurf_glo1D, psurf_out) |
---|
| 540 | CALL scatter(load_glo1D, load_out) |
---|
[524] | 541 | |
---|
[1179] | 542 | ! 7) Test for negative values |
---|
| 543 | !**************************************************************************************** |
---|
| 544 | IF (MINVAL(pt_year) < 0.) THEN |
---|
| 545 | WRITE(lunout,*) 'Warning! Negative values read from file :', fname |
---|
| 546 | END IF |
---|
[524] | 547 | |
---|
[1179] | 548 | END SUBROUTINE get_aero_fromfile |
---|
[524] | 549 | |
---|
| 550 | |
---|
[1179] | 551 | SUBROUTINE check_err(status) |
---|
| 552 | USE netcdf |
---|
| 553 | IMPLICIT NONE |
---|
[524] | 554 | |
---|
[1179] | 555 | INCLUDE "iniprint.h" |
---|
| 556 | INTEGER, INTENT (IN) :: status |
---|
[524] | 557 | |
---|
[1179] | 558 | IF (status /= NF90_NOERR) THEN |
---|
| 559 | WRITE(lunout,*) 'Error in get_aero_fromfile ',status |
---|
| 560 | CALL abort_gcm('get_aero_fromfile',trim(nf90_strerror(status)),1) |
---|
| 561 | END IF |
---|
[524] | 562 | |
---|
[1179] | 563 | END SUBROUTINE check_err |
---|
| 564 | |
---|
| 565 | |
---|
| 566 | END MODULE readaerosol_mod |
---|