[1179] | 1 | ! $Id: readaerosol.F90 1484 2011-02-09 15:44:57Z oboucher $ |
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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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[1484] | 9 | SUBROUTINE readaerosol(name_aero, type, filename, 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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[1484] | 29 | CHARACTER(len=*), INTENT(IN) :: type ! actuel, annuel, scenario or preind |
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| 30 | CHARACTER(len=8), INTENT(IN) :: filename |
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[1179] | 31 | INTEGER, INTENT(IN) :: iyr_in |
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[1150] | 32 | |
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[1179] | 33 | ! Output |
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| 34 | INTEGER, INTENT(OUT) :: klev_src |
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| 35 | REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels |
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| 36 | REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels |
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[1270] | 37 | REAL, POINTER, DIMENSION(:,:,:) :: pt_out ! The massvar distributions, DIMENSION(klon, klev_src, 12) |
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| 38 | REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf ! Surface pression for 12 months |
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| 39 | REAL, DIMENSION(klon,12), INTENT(OUT) :: load ! Aerosol mass load in each column for 12 months |
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[1150] | 40 | |
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[1179] | 41 | ! Local variables |
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[1270] | 42 | CHARACTER(len=4) :: cyear |
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| 43 | REAL, POINTER, DIMENSION(:,:,:) :: pt_2 |
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| 44 | REAL, DIMENSION(klon,12) :: psurf2, load2 |
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| 45 | REAL :: p0 ! Reference pressure |
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| 46 | INTEGER :: iyr1, iyr2, klev_src2 |
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| 47 | INTEGER :: it, k, i |
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| 48 | LOGICAL, PARAMETER :: lonlyone=.FALSE. |
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[1150] | 49 | |
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[1179] | 50 | !**************************************************************************************** |
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| 51 | ! Read data depending on aer_type |
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| 52 | ! |
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| 53 | !**************************************************************************************** |
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[524] | 54 | |
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[1179] | 55 | IF (type == 'actuel') THEN |
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| 56 | ! Read and return data for year 1980 |
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| 57 | !**************************************************************************************** |
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| 58 | cyear='1980' |
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[1270] | 59 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 60 | ! pt_out has dimensions (klon, klev_src, 12) |
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[1484] | 61 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 62 | |
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[640] | 63 | |
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[1179] | 64 | ELSE IF (type == 'preind') THEN |
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| 65 | ! Read and return data from file with suffix .nat |
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| 66 | !**************************************************************************************** |
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| 67 | cyear='.nat' |
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[1270] | 68 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 69 | ! pt_out has dimensions (klon, klev_src, 12) |
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[1484] | 70 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 71 | |
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[1321] | 72 | ELSE IF (type == 'annuel') THEN |
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| 73 | ! Read and return data from scenario annual files |
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| 74 | !**************************************************************************************** |
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| 75 | WRITE(cyear,'(I4)') iyr_in |
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| 76 | WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear |
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| 77 | ! get_aero_fromfile returns pt_out allocated and initialized with data for nbr_tsteps month |
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| 78 | ! pt_out has dimensions (klon, klev_src, 12) |
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[1484] | 79 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1321] | 80 | |
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[1179] | 81 | ELSE IF (type == 'scenario') THEN |
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| 82 | ! Read data depending on actual year and interpolate if necessary |
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| 83 | !**************************************************************************************** |
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| 84 | IF (iyr_in .LT. 1850) THEN |
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| 85 | cyear='.nat' |
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| 86 | WRITE(lunout,*) 'get_aero 1 iyr_in=', iyr_in,' ',cyear |
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[1270] | 87 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 88 | ! pt_out has dimensions (klon, klev_src, 12) |
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[1484] | 89 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 90 | |
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| 91 | ELSE IF (iyr_in .GE. 2100) THEN |
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| 92 | cyear='2100' |
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| 93 | WRITE(lunout,*) 'get_aero 2 iyr_in=', iyr_in,' ',cyear |
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[1270] | 94 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 95 | ! pt_out has dimensions (klon, klev_src, 12) |
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[1484] | 96 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 97 | |
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| 98 | ELSE |
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| 99 | ! Read data from 2 decades and interpolate to actual year |
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| 100 | ! a) from actual 10-yr-period |
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| 101 | IF (iyr_in.LT.1900) THEN |
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| 102 | iyr1 = 1850 |
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| 103 | iyr2 = 1900 |
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| 104 | ELSE IF (iyr_in.GE.1900.AND.iyr_in.LT.1920) THEN |
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| 105 | iyr1 = 1900 |
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| 106 | iyr2 = 1920 |
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| 107 | ELSE |
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| 108 | iyr1 = INT(iyr_in/10)*10 |
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| 109 | iyr2 = INT(1+iyr_in/10)*10 |
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| 110 | ENDIF |
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| 111 | |
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| 112 | WRITE(cyear,'(I4)') iyr1 |
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| 113 | WRITE(lunout,*) 'get_aero 3 iyr_in=', iyr_in,' ',cyear |
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[1270] | 114 | ! get_aero_fromfile returns pt_out allocated and initialized with data for 12 month |
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| 115 | ! pt_out has dimensions (klon, klev_src, 12) |
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[1484] | 116 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src, pt_ap, pt_b, p0, pt_out, psurf, load) |
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[1179] | 117 | |
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| 118 | ! If to read two decades: |
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| 119 | IF (.NOT.lonlyone) THEN |
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| 120 | |
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| 121 | ! b) from the next following one |
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| 122 | WRITE(cyear,'(I4)') iyr2 |
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| 123 | WRITE(lunout,*) 'get_aero 4 iyr_in=', iyr_in,' ',cyear |
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| 124 | |
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| 125 | NULLIFY(pt_2) |
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[1270] | 126 | ! get_aero_fromfile returns pt_2 allocated and initialized with data for 12 month |
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| 127 | ! pt_2 has dimensions (klon, klev_src, 12) |
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[1484] | 128 | CALL get_aero_fromfile(name_aero, cyear, filename, klev_src2, pt_ap, pt_b, p0, pt_2, psurf2, load2) |
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[1179] | 129 | ! Test for same number of vertical levels |
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| 130 | IF (klev_src /= klev_src2) THEN |
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| 131 | WRITE(lunout,*) 'Two aerosols files with different number of vertical levels is not allowded' |
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| 132 | CALL abort_gcm('readaersosol','Error in number of vertical levels',1) |
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| 133 | END IF |
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| 134 | |
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| 135 | ! Linare interpolate to the actual year: |
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[1270] | 136 | DO it=1,12 |
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[1179] | 137 | DO k=1,klev_src |
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| 138 | DO i = 1, klon |
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| 139 | pt_out(i,k,it) = & |
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[1403] | 140 | pt_out(i,k,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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[1179] | 141 | (pt_out(i,k,it) - pt_2(i,k,it)) |
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| 142 | END DO |
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| 143 | END DO |
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[1143] | 144 | |
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[1179] | 145 | DO i = 1, klon |
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[1270] | 146 | psurf(i,it) = & |
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[1403] | 147 | psurf(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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[1270] | 148 | (psurf(i,it) - psurf2(i,it)) |
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[640] | 149 | |
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[1270] | 150 | load(i,it) = & |
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[1403] | 151 | load(i,it) - REAL(iyr_in-iyr1)/REAL(iyr2-iyr1) * & |
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[1270] | 152 | (load(i,it) - load2(i,it)) |
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[1179] | 153 | END DO |
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| 154 | END DO |
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[524] | 155 | |
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[1179] | 156 | ! Deallocate pt_2 no more needed |
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| 157 | DEALLOCATE(pt_2) |
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| 158 | |
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| 159 | END IF ! lonlyone |
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| 160 | END IF ! iyr_in .LT. 1850 |
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[524] | 161 | |
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[1179] | 162 | ELSE |
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[1484] | 163 | WRITE(lunout,*)'This option is not implemented : aer_type = ', type,' name_aero=',name_aero |
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[1179] | 164 | CALL abort_gcm('readaerosol','Error : aer_type parameter not accepted',1) |
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| 165 | END IF ! type |
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[640] | 166 | |
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[1151] | 167 | |
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[1179] | 168 | END SUBROUTINE readaerosol |
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[1143] | 169 | |
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| 170 | |
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[1484] | 171 | SUBROUTINE get_aero_fromfile(varname, cyr, filename, klev_src, pt_ap, pt_b, p0, pt_year, psurf_out, load_out) |
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[1179] | 172 | !**************************************************************************************** |
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[1270] | 173 | ! Read 12 month aerosol from file and distribute to local process on physical grid. |
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[1179] | 174 | ! Vertical levels, klev_src, may differ from model levels if new file format. |
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| 175 | ! |
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| 176 | ! For mpi_root and master thread : |
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| 177 | ! 1) Open file |
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| 178 | ! 2) Find vertical dimension klev_src |
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| 179 | ! 3) Read field month by month |
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| 180 | ! 4) Close file |
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| 181 | ! 5) Transform the global field from 2D(iim, jjp+1) to 1D(klon_glo) |
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| 182 | ! - Also the levels and the latitudes have to be inversed |
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| 183 | ! |
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| 184 | ! For all processes and threads : |
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| 185 | ! 6) Scatter global field(klon_glo) to local process domain(klon) |
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| 186 | ! 7) Test for negative values |
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| 187 | !**************************************************************************************** |
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[1150] | 188 | |
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[1179] | 189 | USE netcdf |
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| 190 | USE dimphy |
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| 191 | USE mod_grid_phy_lmdz |
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| 192 | USE mod_phys_lmdz_para |
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[1183] | 193 | USE iophy, ONLY : io_lon, io_lat |
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[1179] | 194 | |
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| 195 | IMPLICIT NONE |
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[524] | 196 | |
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[1179] | 197 | INCLUDE "dimensions.h" |
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| 198 | INCLUDE "iniprint.h" |
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[524] | 199 | |
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[1179] | 200 | ! Input argumets |
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| 201 | CHARACTER(len=7), INTENT(IN) :: varname |
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| 202 | CHARACTER(len=4), INTENT(IN) :: cyr |
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[1484] | 203 | CHARACTER(len=8), INTENT(IN) :: filename |
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[1150] | 204 | |
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[1179] | 205 | ! Output arguments |
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| 206 | INTEGER, INTENT(OUT) :: klev_src ! Number of vertical levels in file |
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| 207 | REAL, POINTER, DIMENSION(:) :: pt_ap ! Pointer for describing the vertical levels |
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| 208 | REAL, POINTER, DIMENSION(:) :: pt_b ! Pointer for describing the vertical levels |
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| 209 | REAL :: p0 ! Reference pressure value |
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[1270] | 210 | REAL, POINTER, DIMENSION(:,:,:) :: pt_year ! Pointer-variabale from file, 12 month, grid : klon,klev_src |
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| 211 | REAL, DIMENSION(klon,12), INTENT(OUT) :: psurf_out ! Surface pression for 12 months |
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| 212 | REAL, DIMENSION(klon,12), INTENT(OUT) :: load_out ! Aerosol mass load in each column |
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[1319] | 213 | INTEGER :: nbr_tsteps ! number of month in file read |
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[1150] | 214 | |
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[1179] | 215 | ! Local variables |
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| 216 | CHARACTER(len=30) :: fname |
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| 217 | CHARACTER(len=30) :: cvar |
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| 218 | INTEGER :: ncid, dimid, varid |
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| 219 | INTEGER :: imth, i, j, k, ierr |
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| 220 | REAL :: npole, spole |
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| 221 | REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varmth |
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[1270] | 222 | REAL, ALLOCATABLE, DIMENSION(:,:,:,:) :: varyear ! Global variable read from file, 12 month |
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| 223 | REAL, ALLOCATABLE, DIMENSION(:,:,:) :: varyear_glo1D !(klon_glo, klev_src, 12) |
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[1179] | 224 | REAL, ALLOCATABLE, DIMENSION(:) :: varktmp |
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[524] | 225 | |
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[1270] | 226 | REAL, DIMENSION(iim,jjm+1,12) :: psurf_glo2D ! Surface pression for 12 months on dynamics global grid |
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| 227 | REAL, DIMENSION(klon_glo,12) :: psurf_glo1D ! -"- on physical global grid |
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| 228 | REAL, DIMENSION(iim,jjm+1,12) :: load_glo2D ! Load for 12 months on dynamics global grid |
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| 229 | REAL, DIMENSION(klon_glo,12) :: load_glo1D ! -"- on physical global grid |
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[1179] | 230 | REAL, DIMENSION(iim,jjm+1) :: vartmp |
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[1183] | 231 | REAL, DIMENSION(iim) :: lon_src ! longitudes in file |
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| 232 | REAL, DIMENSION(jjm+1) :: lat_src, lat_src_inv ! latitudes in file |
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| 233 | LOGICAL :: new_file ! true if new file format detected |
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| 234 | LOGICAL :: invert_lat ! true if the field has to be inverted for latitudes |
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[766] | 235 | |
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[524] | 236 | |
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[1179] | 237 | ! Deallocate pointers |
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| 238 | IF (ASSOCIATED(pt_ap)) DEALLOCATE(pt_ap) |
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| 239 | IF (ASSOCIATED(pt_b)) DEALLOCATE(pt_b) |
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[766] | 240 | |
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[1249] | 241 | IF (is_mpi_root .AND. is_omp_root) THEN |
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[524] | 242 | |
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[1179] | 243 | ! 1) Open file |
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| 244 | !**************************************************************************************** |
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[1484] | 245 | ! Add suffix to filename |
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| 246 | fname = trim(filename)//cyr//'.nc' |
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[1150] | 247 | |
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[1484] | 248 | WRITE(lunout,*) 'reading variable ',TRIM(varname),' in file ', TRIM(fname) |
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[1179] | 249 | CALL check_err( nf90_open(TRIM(fname), NF90_NOWRITE, ncid) ) |
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[1150] | 250 | |
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[1183] | 251 | ! Test for equal longitudes and latitudes in file and model |
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| 252 | !**************************************************************************************** |
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| 253 | ! Read and test longitudes |
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| 254 | CALL check_err( nf90_inq_varid(ncid, 'lon', varid) ) |
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| 255 | CALL check_err( nf90_get_var(ncid, varid, lon_src(:)) ) |
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| 256 | |
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[1202] | 257 | IF (maxval(ABS(lon_src - io_lon)) > 0.001) THEN |
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[1183] | 258 | WRITE(lunout,*) 'Problem in longitudes read from file : ',TRIM(fname) |
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| 259 | WRITE(lunout,*) 'longitudes in file ', TRIM(fname),' : ', lon_src |
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| 260 | WRITE(lunout,*) 'longitudes in model :', io_lon |
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| 261 | |
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| 262 | CALL abort_gcm('get_aero_fromfile', 'longitudes are not the same in file and model',1) |
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| 263 | END IF |
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| 264 | |
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| 265 | ! Read and test latitudes |
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| 266 | CALL check_err( nf90_inq_varid(ncid, 'lat', varid) ) |
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| 267 | CALL check_err( nf90_get_var(ncid, varid, lat_src(:)) ) |
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| 268 | |
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| 269 | ! Invert source latitudes |
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| 270 | DO j = 1, jjm+1 |
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| 271 | lat_src_inv(j) = lat_src(jjm+1 +1 -j) |
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| 272 | END DO |
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| 273 | |
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[1202] | 274 | IF (maxval(ABS(lat_src - io_lat)) < 0.001) THEN |
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[1183] | 275 | ! Latitudes are the same |
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| 276 | invert_lat=.FALSE. |
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[1202] | 277 | ELSE IF (maxval(ABS(lat_src_inv - io_lat)) < 0.001) THEN |
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[1183] | 278 | ! Inverted source latitudes correspond to model latitudes |
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| 279 | WRITE(lunout,*) 'latitudes will be inverted for file : ',TRIM(fname) |
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| 280 | invert_lat=.TRUE. |
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| 281 | ELSE |
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| 282 | WRITE(lunout,*) 'Problem in latitudes read from file : ',TRIM(fname) |
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| 283 | WRITE(lunout,*) 'latitudes in file ', TRIM(fname),' : ', lat_src |
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| 284 | WRITE(lunout,*) 'latitudes in model :', io_lat |
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| 285 | CALL abort_gcm('get_aero_fromfile', 'latitudes do not correspond between file and model',1) |
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| 286 | END IF |
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| 287 | |
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[1319] | 288 | |
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[1179] | 289 | ! 2) Check if old or new file is avalabale. |
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| 290 | ! New type of file should contain the dimension 'lev' |
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| 291 | ! Old type of file should contain the dimension 'PRESNIVS' |
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| 292 | !**************************************************************************************** |
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| 293 | ierr = nf90_inq_dimid(ncid, 'lev', dimid) |
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| 294 | IF (ierr /= NF90_NOERR) THEN |
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| 295 | ! Coordinate axe lev not found. Check for presnivs. |
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| 296 | ierr = nf90_inq_dimid(ncid, 'PRESNIVS', dimid) |
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| 297 | IF (ierr /= NF90_NOERR) THEN |
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| 298 | ! Dimension PRESNIVS not found either |
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| 299 | CALL abort_gcm('get_aero_fromfile', 'dimension lev or presnivs not in file',1) |
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| 300 | ELSE |
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| 301 | ! Old file found |
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| 302 | new_file=.FALSE. |
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| 303 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will not be done' |
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| 304 | END IF |
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| 305 | ELSE |
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| 306 | ! New file found |
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| 307 | new_file=.TRUE. |
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| 308 | WRITE(lunout,*) 'Vertical interpolation for ',TRIM(varname),' will be done' |
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| 309 | END IF |
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| 310 | |
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| 311 | ! 2) Find vertical dimension klev_src |
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| 312 | !**************************************************************************************** |
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| 313 | CALL check_err( nf90_inquire_dimension(ncid, dimid, len = klev_src) ) |
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| 314 | |
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| 315 | ! Allocate variables depending on the number of vertical levels |
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[1270] | 316 | ALLOCATE(varmth(iim, jjm+1, klev_src), varyear(iim, jjm+1, klev_src, 12), stat=ierr) |
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[1179] | 317 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 1',1) |
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[1150] | 318 | |
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[1179] | 319 | ALLOCATE(pt_ap(klev_src), pt_b(klev_src), varktmp(klev_src), stat=ierr) |
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| 320 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 2',1) |
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[1150] | 321 | |
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[1179] | 322 | ! 3) Read all variables from file |
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| 323 | ! There is 2 options for the file structure : |
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| 324 | ! new_file=TRUE : read varyear, ps, pt_ap and pt_b |
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| 325 | ! new_file=FALSE : read varyear month by month |
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| 326 | !**************************************************************************************** |
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[1150] | 327 | |
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[1179] | 328 | IF (new_file) THEN |
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[1484] | 329 | ! ++) Check number of month in file opened |
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| 330 | !************************************************************************************************** |
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| 331 | ierr = nf90_inq_dimid(ncid, 'TIME',dimid) |
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| 332 | CALL check_err( nf90_inquire_dimension(ncid, dimid, len = nbr_tsteps) ) |
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| 333 | ! IF (nbr_tsteps /= 12 .AND. nbr_tsteps /= 14) THEN |
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| 334 | IF (nbr_tsteps /= 12 ) THEN |
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| 335 | CALL abort_gcm('get_aero_fromfile', 'not the right number of months in aerosol file read (should be 12 for the moment)',1) |
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| 336 | ENDIF |
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[1150] | 337 | |
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[1179] | 338 | ! ++) Read the aerosol concentration month by month and concatenate to total variable varyear |
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| 339 | !**************************************************************************************** |
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| 340 | ! Get variable id |
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| 341 | CALL check_err( nf90_inq_varid(ncid, TRIM(varname), varid) ) |
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| 342 | |
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| 343 | ! Get the variable |
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| 344 | CALL check_err( nf90_get_var(ncid, varid, varyear(:,:,:,:)) ) |
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| 345 | |
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[1270] | 346 | ! ++) Read surface pression, 12 month in one variable |
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[1179] | 347 | !**************************************************************************************** |
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| 348 | ! Get variable id |
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| 349 | CALL check_err( nf90_inq_varid(ncid, "ps", varid) ) |
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| 350 | ! Get the variable |
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| 351 | CALL check_err( nf90_get_var(ncid, varid, psurf_glo2D) ) |
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| 352 | |
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| 353 | ! ++) Read mass load, 12 month in one variable |
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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, "load_"//TRIM(varname), varid) ) |
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| 357 | ! Get the variable |
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| 358 | CALL check_err( nf90_get_var(ncid, varid, load_glo2D) ) |
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| 359 | |
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| 360 | ! ++) Read ap |
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| 361 | !**************************************************************************************** |
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| 362 | ! Get variable id |
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| 363 | CALL check_err( nf90_inq_varid(ncid, "ap", varid) ) |
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| 364 | ! Get the variable |
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| 365 | CALL check_err( nf90_get_var(ncid, varid, pt_ap) ) |
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[1150] | 366 | |
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[1179] | 367 | ! ++) Read b |
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| 368 | !**************************************************************************************** |
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| 369 | ! Get variable id |
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| 370 | CALL check_err( nf90_inq_varid(ncid, "b", varid) ) |
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| 371 | ! Get the variable |
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| 372 | CALL check_err( nf90_get_var(ncid, varid, pt_b) ) |
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[1150] | 373 | |
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[1179] | 374 | ! ++) Read p0 : reference pressure |
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| 375 | !**************************************************************************************** |
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| 376 | ! Get variable id |
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| 377 | CALL check_err( nf90_inq_varid(ncid, "p0", varid) ) |
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| 378 | ! Get the variable |
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| 379 | CALL check_err( nf90_get_var(ncid, varid, p0) ) |
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[1150] | 380 | |
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[524] | 381 | |
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[1179] | 382 | ELSE ! old file |
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[524] | 383 | |
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[1179] | 384 | ! ++) Read the aerosol concentration month by month and concatenate to total variable varyear |
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| 385 | !**************************************************************************************** |
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[1270] | 386 | DO imth=1, 12 |
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[1179] | 387 | IF (imth.EQ.1) THEN |
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| 388 | cvar=TRIM(varname)//'JAN' |
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| 389 | ELSE IF (imth.EQ.2) THEN |
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| 390 | cvar=TRIM(varname)//'FEB' |
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| 391 | ELSE IF (imth.EQ.3) THEN |
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| 392 | cvar=TRIM(varname)//'MAR' |
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| 393 | ELSE IF (imth.EQ.4) THEN |
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| 394 | cvar=TRIM(varname)//'APR' |
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| 395 | ELSE IF (imth.EQ.5) THEN |
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| 396 | cvar=TRIM(varname)//'MAY' |
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| 397 | ELSE IF (imth.EQ.6) THEN |
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| 398 | cvar=TRIM(varname)//'JUN' |
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| 399 | ELSE IF (imth.EQ.7) THEN |
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| 400 | cvar=TRIM(varname)//'JUL' |
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| 401 | ELSE IF (imth.EQ.8) THEN |
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| 402 | cvar=TRIM(varname)//'AUG' |
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| 403 | ELSE IF (imth.EQ.9) THEN |
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| 404 | cvar=TRIM(varname)//'SEP' |
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| 405 | ELSE IF (imth.EQ.10) THEN |
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| 406 | cvar=TRIM(varname)//'OCT' |
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| 407 | ELSE IF (imth.EQ.11) THEN |
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| 408 | cvar=TRIM(varname)//'NOV' |
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| 409 | ELSE IF (imth.EQ.12) THEN |
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| 410 | cvar=TRIM(varname)//'DEC' |
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| 411 | END IF |
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| 412 | |
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| 413 | ! Get variable id |
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| 414 | CALL check_err( nf90_inq_varid(ncid, TRIM(cvar), varid) ) |
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| 415 | |
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| 416 | ! Get the variable |
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| 417 | CALL check_err( nf90_get_var(ncid, varid, varmth) ) |
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| 418 | |
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| 419 | ! Store in variable for the whole year |
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| 420 | varyear(:,:,:,imth)=varmth(:,:,:) |
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| 421 | |
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| 422 | END DO |
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[1150] | 423 | |
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[1179] | 424 | ! Putting dummy |
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| 425 | psurf_glo2D(:,:,:) = not_valid |
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| 426 | load_glo2D(:,:,:) = not_valid |
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| 427 | pt_ap(:) = not_valid |
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| 428 | pt_b(:) = not_valid |
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[524] | 429 | |
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[1179] | 430 | END IF |
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[524] | 431 | |
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[1179] | 432 | ! 4) Close file |
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| 433 | !**************************************************************************************** |
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| 434 | CALL check_err( nf90_close(ncid) ) |
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| 435 | |
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[524] | 436 | |
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[1179] | 437 | ! 5) Transform the global field from 2D(iim, jjp+1) to 1D(klon_glo) |
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| 438 | !**************************************************************************************** |
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| 439 | ! Test if vertical levels have to be inversed |
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[782] | 440 | |
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[1179] | 441 | IF ((pt_b(1) < pt_b(klev_src)) .OR. .NOT. new_file) THEN |
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[1321] | 442 | ! WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' needs to be inverted' |
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| 443 | ! WRITE(lunout,*) 'before pt_ap = ', pt_ap |
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| 444 | ! WRITE(lunout,*) 'before pt_b = ', pt_b |
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[1179] | 445 | |
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| 446 | ! Inverse vertical levels for varyear |
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[1270] | 447 | DO imth=1, 12 |
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[1179] | 448 | varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly |
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| 449 | DO k=1, klev_src |
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| 450 | DO j=1, jjm+1 |
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| 451 | DO i=1,iim |
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| 452 | varyear(i,j,k,imth) = varmth(i,j,klev_src+1-k) |
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| 453 | END DO |
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| 454 | END DO |
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| 455 | END DO |
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| 456 | END DO |
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| 457 | |
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| 458 | ! Inverte vertical axes for pt_ap and pt_b |
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| 459 | varktmp(:) = pt_ap(:) |
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| 460 | DO k=1, klev_src |
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| 461 | pt_ap(k) = varktmp(klev_src+1-k) |
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| 462 | END DO |
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[782] | 463 | |
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[1179] | 464 | varktmp(:) = pt_b(:) |
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| 465 | DO k=1, klev_src |
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| 466 | pt_b(k) = varktmp(klev_src+1-k) |
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| 467 | END DO |
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| 468 | WRITE(lunout,*) 'after pt_ap = ', pt_ap |
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| 469 | WRITE(lunout,*) 'after pt_b = ', pt_b |
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[524] | 470 | |
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[1179] | 471 | ELSE |
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| 472 | WRITE(lunout,*) 'Vertical axis in file ',TRIM(fname), ' is ok, no vertical inversion is done' |
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| 473 | WRITE(lunout,*) 'pt_ap = ', pt_ap |
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| 474 | WRITE(lunout,*) 'pt_b = ', pt_b |
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| 475 | END IF |
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[524] | 476 | |
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[1183] | 477 | ! - Invert latitudes if necessary |
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[1270] | 478 | DO imth=1, 12 |
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[1183] | 479 | IF (invert_lat) THEN |
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| 480 | |
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| 481 | ! Invert latitudes for the variable |
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| 482 | varmth(:,:,:) = varyear(:,:,:,imth) ! use varmth temporarly |
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| 483 | DO k=1,klev_src |
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| 484 | DO j=1,jjm+1 |
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| 485 | DO i=1,iim |
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| 486 | varyear(i,j,k,imth) = varmth(i,jjm+1+1-j,k) |
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| 487 | END DO |
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| 488 | END DO |
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| 489 | END DO |
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| 490 | |
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| 491 | ! Invert latitudes for surface pressure |
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| 492 | vartmp(:,:) = psurf_glo2D(:,:,imth) |
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| 493 | DO j=1, jjm+1 |
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[1179] | 494 | DO i=1,iim |
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[1183] | 495 | psurf_glo2D(i,j,imth)= vartmp(i,jjm+1+1-j) |
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[1179] | 496 | END DO |
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| 497 | END DO |
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[1183] | 498 | |
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| 499 | ! Invert latitudes for the load |
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| 500 | vartmp(:,:) = load_glo2D(:,:,imth) |
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| 501 | DO j=1, jjm+1 |
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| 502 | DO i=1,iim |
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| 503 | load_glo2D(i,j,imth)= vartmp(i,jjm+1+1-j) |
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| 504 | END DO |
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[1179] | 505 | END DO |
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[1183] | 506 | END IF ! invert_lat |
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| 507 | |
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[1179] | 508 | ! Do zonal mead at poles and distribut at whole first and last latitude |
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| 509 | DO k=1, klev_src |
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| 510 | npole=0. ! North pole, j=1 |
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| 511 | spole=0. ! South pole, j=jjm+1 |
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| 512 | DO i=1,iim |
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| 513 | npole = npole + varyear(i,1,k,imth) |
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| 514 | spole = spole + varyear(i,jjm+1,k,imth) |
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| 515 | END DO |
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[1403] | 516 | npole = npole/REAL(iim) |
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| 517 | spole = spole/REAL(iim) |
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[1179] | 518 | varyear(:,1, k,imth) = npole |
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| 519 | varyear(:,jjm+1,k,imth) = spole |
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| 520 | END DO |
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| 521 | END DO ! imth |
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[1183] | 522 | |
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[1270] | 523 | ALLOCATE(varyear_glo1D(klon_glo, klev_src, 12), stat=ierr) |
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[1179] | 524 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 3',1) |
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| 525 | |
---|
| 526 | ! Transform from 2D to 1D field |
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| 527 | CALL grid2Dto1D_glo(varyear,varyear_glo1D) |
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| 528 | CALL grid2Dto1D_glo(psurf_glo2D,psurf_glo1D) |
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| 529 | CALL grid2Dto1D_glo(load_glo2D,load_glo1D) |
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[1249] | 530 | |
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| 531 | ELSE |
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| 532 | ALLOCATE(varyear_glo1D(0,0,0)) |
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| 533 | END IF ! is_mpi_root .AND. is_omp_root |
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| 534 | |
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[1189] | 535 | !$OMP BARRIER |
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[1179] | 536 | |
---|
| 537 | ! 6) Distribute to all processes |
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| 538 | ! Scatter global field(klon_glo) to local process domain(klon) |
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| 539 | ! and distribute klev_src to all processes |
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| 540 | !**************************************************************************************** |
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[524] | 541 | |
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[1179] | 542 | ! Distribute klev_src |
---|
| 543 | CALL bcast(klev_src) |
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[524] | 544 | |
---|
[1179] | 545 | ! Allocate and distribute pt_ap and pt_b |
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| 546 | IF (.NOT. ASSOCIATED(pt_ap)) THEN ! if pt_ap is allocated also pt_b is allocated |
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| 547 | ALLOCATE(pt_ap(klev_src), pt_b(klev_src), stat=ierr) |
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| 548 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 4',1) |
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| 549 | END IF |
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| 550 | CALL bcast(pt_ap) |
---|
| 551 | CALL bcast(pt_b) |
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[524] | 552 | |
---|
[1179] | 553 | ! Allocate space for output pointer variable at local process |
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| 554 | IF (ASSOCIATED(pt_year)) DEALLOCATE(pt_year) |
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[1270] | 555 | ALLOCATE(pt_year(klon, klev_src, 12), stat=ierr) |
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| 556 | IF (ierr /= 0) CALL abort_gcm('get_aero_fromfile', 'pb in allocation 5',1) |
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[524] | 557 | |
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[1179] | 558 | ! Scatter global field to local domain at local process |
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| 559 | CALL scatter(varyear_glo1D, pt_year) |
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[1270] | 560 | CALL scatter(psurf_glo1D, psurf_out) |
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| 561 | CALL scatter(load_glo1D, load_out) |
---|
[524] | 562 | |
---|
[1179] | 563 | ! 7) Test for negative values |
---|
| 564 | !**************************************************************************************** |
---|
| 565 | IF (MINVAL(pt_year) < 0.) THEN |
---|
| 566 | WRITE(lunout,*) 'Warning! Negative values read from file :', fname |
---|
| 567 | END IF |
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[524] | 568 | |
---|
[1179] | 569 | END SUBROUTINE get_aero_fromfile |
---|
[524] | 570 | |
---|
| 571 | |
---|
[1179] | 572 | SUBROUTINE check_err(status) |
---|
| 573 | USE netcdf |
---|
| 574 | IMPLICIT NONE |
---|
[524] | 575 | |
---|
[1179] | 576 | INCLUDE "iniprint.h" |
---|
| 577 | INTEGER, INTENT (IN) :: status |
---|
[524] | 578 | |
---|
[1179] | 579 | IF (status /= NF90_NOERR) THEN |
---|
| 580 | WRITE(lunout,*) 'Error in get_aero_fromfile ',status |
---|
| 581 | CALL abort_gcm('get_aero_fromfile',trim(nf90_strerror(status)),1) |
---|
| 582 | END IF |
---|
[524] | 583 | |
---|
[1179] | 584 | END SUBROUTINE check_err |
---|
| 585 | |
---|
| 586 | |
---|
| 587 | END MODULE readaerosol_mod |
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