| 1 | MODULE read_data_PCM_mod |
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| 2 | |
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| 3 | use netcdf, only: nf90_open, NF90_NOWRITE, nf90_noerr, nf90_strerror, & |
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| 4 | nf90_get_var, nf90_inq_varid, nf90_inq_dimid, & |
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| 5 | nf90_inquire_dimension, nf90_close |
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| 6 | |
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| 7 | implicit none |
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| 8 | |
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| 9 | character(13), parameter :: modname = 'read_data_PCM' |
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| 10 | character(256) :: msg ! for reading |
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| 11 | integer :: fID, vID ! for reading |
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| 12 | |
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| 13 | !======================================================================= |
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| 14 | contains |
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| 15 | !======================================================================= |
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| 16 | |
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| 17 | SUBROUTINE read_data_PCM(filename1,filename2,timelen,iim_input,jjm_input,ngrid,nslope,vmr_co2_PCM,ps_timeseries,ps_avg,tsurf_avg_yr1,tsurf_avg, & |
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| 18 | tsoil_avg,tsoil_timeseries,min_co2_ice,min_h2o_ice,q_co2,q_h2o,watersurf_density_avg,watersoil_density_timeseries) |
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| 19 | use comsoil_h, only: nsoilmx |
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| 20 | use comsoil_h_PEM, only: soil_pem |
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| 21 | use constants_marspem_mod, only: m_co2, m_noco2 |
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| 22 | |
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| 23 | implicit none |
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| 24 | |
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| 25 | !======================================================================= |
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| 26 | ! |
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| 27 | ! Purpose: Read initial confitions file from the PCM |
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| 28 | ! |
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| 29 | ! Authors: JBC |
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| 30 | !======================================================================= |
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| 31 | |
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| 32 | include "dimensions.h" |
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| 33 | |
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| 34 | !======================================================================= |
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| 35 | ! Inputs: |
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| 36 | character(*), intent(in) :: filename1, filename2 ! File names |
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| 37 | integer, intent(in) :: timelen ! Number of times stored in the file |
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| 38 | integer, intent(in) :: iim_input, jjm_input, ngrid, nslope ! Number of points in the lat x lon dynamical grid, number of subgrid slopes |
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| 39 | ! Ouputs |
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| 40 | real, dimension(ngrid,nslope,2), intent(out) :: min_co2_ice ! Minimum of co2 ice per slope of the year [kg/m^2] |
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| 41 | real, dimension(ngrid,nslope,2), intent(out) :: min_h2o_ice ! Minimum of h2o ice per slope of the year [kg/m^2] |
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| 42 | real, dimension(ngrid,timelen), intent(out) :: vmr_co2_PCM ! Grid points x Times co2 volume mixing ratio retrieve from the PCM [m^3/m^3] |
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| 43 | real, dimension(ngrid,timelen), intent(out) :: q_co2 ! CO2 mass mixing ratio in the first layer [kg/m^3] |
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| 44 | real, dimension(ngrid,timelen), intent(out) :: q_h2o ! H2O mass mixing ratio in the first layer [kg/m^3] |
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| 45 | real, dimension(ngrid,timelen), intent(out) :: ps_timeseries ! Surface pressure timeseries [Pa] |
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| 46 | real, dimension(ngrid), intent(out) :: ps_avg ! Averaged surface pressure [K] |
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| 47 | real, dimension(ngrid,nslope), intent(out) :: tsurf_avg ! Averaged surface temperature [K] |
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| 48 | real, dimension(ngrid,nslope), intent(out) :: tsurf_avg_yr1 ! Averaged surface temperature for year 1 [K] |
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| 49 | real, dimension(ngrid,nsoilmx,nslope), intent(out) :: tsoil_avg ! Averaged soil temperature for year 2 [K] |
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| 50 | real, dimension(ngrid,nsoilmx,nslope,timelen), intent(out) :: tsoil_timeseries ! Soil temperature timeseries [K] |
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| 51 | real, dimension(ngrid,nslope), intent(out) :: watersurf_density_avg ! Water density at the surface [kg/m^3] |
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| 52 | real, dimension(ngrid,nsoilmx,nslope,timelen), intent(out) :: watersoil_density_timeseries ! Water density timeseries in the soil layer [kg/m^3] |
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| 53 | ! Local variables |
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| 54 | integer :: i, j, l, islope ! Loop variables |
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| 55 | real :: A, B ! Intermediate variables to compute the mean molar mass of the layer |
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| 56 | character(:), allocatable :: num ! For reading sloped variables |
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| 57 | real, dimension(:,:), allocatable :: var2_read ! Variables for reading (2 dimensions) |
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| 58 | real, dimension(:,:,:), allocatable :: var3_read_1, var3_read_2, var3_read_3 ! Variables for reading (3 dimensions) |
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| 59 | real, dimension(:,:,:,:), allocatable :: var4_read ! Variables for reading (4 dimensions) |
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| 60 | !----------------------------------------------------------------------- |
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| 61 | |
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| 62 | !------------------------------- Year 1 -------------------------------- |
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| 63 | ! Open the NetCDF file |
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| 64 | write(*,*) "Opening "//filename1//"..." |
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| 65 | call error_msg(NF90_OPEN(filename1,NF90_NOWRITE,fID),"open",filename1) |
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| 66 | |
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| 67 | ! Download the data from the file |
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| 68 | allocate(var2_read(iim_input + 1,jjm_input + 1),var3_read_1(iim_input + 1,jjm_input + 1,timelen),var3_read_2(iim_input + 1,jjm_input + 1,timelen)) |
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| 69 | |
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| 70 | if (nslope == 1) then ! No slope |
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| 71 | allocate(character(0) :: num) |
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| 72 | else ! We use slopes |
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| 73 | allocate(character(8) :: num) |
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| 74 | endif |
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| 75 | |
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| 76 | do islope = 1,nslope |
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| 77 | if (nslope /= 1) then |
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| 78 | num=' ' |
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| 79 | write(num,'(i2.2)') islope |
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| 80 | num = '_slope'//num |
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| 81 | endif |
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| 82 | |
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| 83 | ! CO2 ice |
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| 84 | !-------- |
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| 85 | call get_var3("co2ice"//num,var3_read_1) |
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| 86 | where (var3_read_1 < 0.) var3_read_1 = 0. |
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| 87 | write(*,*) "Data for co2_ice"//num//" downloaded." |
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| 88 | #ifndef CPP_STD |
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| 89 | call get_var3("perennial_co2ice"//num,var3_read_2) |
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| 90 | write(*,*) "Data for perennial_co2ice"//num//" downloaded." |
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| 91 | #endif |
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| 92 | |
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| 93 | ! Compute the minimum over the year for each point |
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| 94 | var2_read = minval(var3_read_1 + var3_read_2,3) |
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| 95 | #ifndef CPP_1D |
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| 96 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,min_co2_ice(:,islope,1)) |
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| 97 | #else |
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| 98 | min_co2_ice(1,islope,1) = var2_read(1,1) |
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| 99 | #endif |
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| 100 | write(*,*) "Min of co2_ice"//num//" computed." |
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| 101 | |
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| 102 | ! H2O ice |
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| 103 | !-------- |
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| 104 | call get_var3("h2o_ice_s"//num,var3_read_1) |
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| 105 | where (var3_read_1 < 0.) var3_read_1 = 0. |
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| 106 | write(*,*) "Data for h2o_ice_s"//num//" downloaded." |
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| 107 | #ifndef CPP_STD |
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| 108 | call get_var3("watercap"//num,var3_read_2) |
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| 109 | write(*,*) "Data for watercap"//num//" downloaded." |
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| 110 | #endif |
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| 111 | |
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| 112 | ! Compute the minimum over the year for each point |
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| 113 | var2_read = minval(var3_read_1 + var3_read_2,3) |
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| 114 | #ifndef CPP_1D |
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| 115 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,min_h2o_ice(:,islope,1)) |
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| 116 | #else |
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| 117 | min_h2o_ice(1,islope,1) = var2_read(1,1) |
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| 118 | #endif |
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| 119 | write(*,*) "Min of h2o_ice"//num//" computed." |
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| 120 | |
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| 121 | ! Tsurf |
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| 122 | !------ |
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| 123 | call get_var3("tsurf"//num,var3_read_1) |
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| 124 | write(*,*) "Data for tsurf"//num//" downloaded." |
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| 125 | |
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| 126 | ! Compute average over the year for each point |
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| 127 | var2_read = sum(var3_read_1,3)/timelen |
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| 128 | #ifndef CPP_1D |
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| 129 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,tsurf_avg_yr1(:,islope)) |
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| 130 | #else |
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| 131 | tsurf_avg_yr1(1,islope) = var2_read(1,1) |
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| 132 | #endif |
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| 133 | write(*,*) "Average of tsurf"//num//" computed." |
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| 134 | enddo |
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| 135 | |
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| 136 | ! Close the NetCDF file |
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| 137 | call error_msg(nf90_close(fID),"close",filename1) |
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| 138 | write(*,*) '> "'//filename1//'" processed!' |
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| 139 | |
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| 140 | !------------------------------- Year 2 -------------------------------- |
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| 141 | ! Open the NetCDF file |
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| 142 | write(*,*) "Opening "//filename2//"..." |
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| 143 | call error_msg(NF90_OPEN(filename2,NF90_NOWRITE,fID),"open",filename2) |
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| 144 | |
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| 145 | ! Download the data from the file |
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| 146 | allocate(var3_read_3(iim_input + 1,jjm_input + 1,nsoilmx),var4_read(iim_input + 1,jjm_input + 1,nsoilmx,timelen)) |
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| 147 | |
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| 148 | ! Surface pressure |
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| 149 | !----------------- |
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| 150 | call get_var3("ps",var3_read_1) |
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| 151 | write(*,*) "Data for surface pressure downloaded." |
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| 152 | |
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| 153 | ! Compute average over the year for each point |
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| 154 | var2_read = sum(var3_read_1,3)/timelen |
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| 155 | #ifndef CPP_1D |
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| 156 | call gr_dyn_fi(timelen,iim_input + 1,jjm_input + 1,ngrid,var3_read_1,ps_timeseries) |
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| 157 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,ps_avg) |
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| 158 | #else |
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| 159 | ps_timeseries(1,:) = var3_read_1(1,1,:) |
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| 160 | ps_avg(1) = var2_read(1,1) |
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| 161 | #endif |
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| 162 | write(*,*) "Average of surface pressure computed." |
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| 163 | |
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| 164 | ! CO2 vmr |
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| 165 | !-------- |
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| 166 | call get_var3("co2_layer1",var3_read_1) |
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| 167 | where (var3_read_1 < 0.) |
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| 168 | var3_read_1 = 1.e-10 |
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| 169 | else where (var3_read_1 > 1.) |
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| 170 | var3_read_1 = 1. |
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| 171 | end where |
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| 172 | #ifndef CPP_1D |
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| 173 | call gr_dyn_fi(timelen,iim_input + 1,jjm_input + 1,ngrid,var3_read_1,q_co2) |
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| 174 | #else |
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| 175 | q_co2(1,:) = var3_read_1(1,1,:) |
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| 176 | #endif |
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| 177 | A = (1./m_co2 - 1./m_noco2) |
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| 178 | B = 1./m_noco2 |
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| 179 | vmr_co2_PCM = q_co2/(A*q_co2 + B)/m_co2 |
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| 180 | write(*,*) "Data for CO2 vmr downloaded." |
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| 181 | |
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| 182 | ! H2O vmr |
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| 183 | !-------- |
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| 184 | call get_var3("h2o_layer1",var3_read_1) |
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| 185 | where (var3_read_1 < 0.) |
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| 186 | var3_read_1 = 1.e-10 |
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| 187 | else where (var3_read_1 > 1.) |
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| 188 | var3_read_1 = 1. |
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| 189 | end where |
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| 190 | #ifndef CPP_1D |
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| 191 | call gr_dyn_fi(timelen,iim_input + 1,jjm_input + 1,ngrid,var3_read_1,q_h2o) |
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| 192 | #else |
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| 193 | q_h2o(1,:) = var3_read_1(1,1,:) |
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| 194 | #endif |
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| 195 | write(*,*) "Data for H2O vmr downloaded." |
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| 196 | |
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| 197 | do islope = 1,nslope |
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| 198 | if (nslope /= 1) then |
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| 199 | num=' ' |
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| 200 | write(num,'(i2.2)') islope |
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| 201 | num = '_slope'//num |
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| 202 | endif |
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| 203 | |
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| 204 | ! CO2 ice |
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| 205 | !-------- |
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| 206 | call get_var3("co2ice"//num,var3_read_1) |
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| 207 | where (var3_read_1 < 0.) var3_read_1 = 0. |
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| 208 | write(*,*) "Data for co2_ice"//num//" downloaded." |
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| 209 | #ifndef CPP_STD |
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| 210 | call get_var3("perennial_co2ice"//num,var3_read_2) |
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| 211 | write(*,*) "Data for perennial_co2ice"//num//" downloaded." |
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| 212 | #endif |
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| 213 | |
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| 214 | ! Compute the minimum over the year for each point |
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| 215 | var2_read = minval(var3_read_1 + var3_read_2,3) |
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| 216 | #ifndef CPP_1D |
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| 217 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,min_co2_ice(:,islope,2)) |
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| 218 | #else |
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| 219 | min_co2_ice(1,islope,2) = var2_read(1,1) |
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| 220 | #endif |
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| 221 | write(*,*) "Min of co2_ice"//num//" computed." |
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| 222 | |
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| 223 | ! H2O ice |
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| 224 | !-------- |
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| 225 | call get_var3("h2o_ice_s"//num,var3_read_1) |
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| 226 | where (var3_read_1 < 0.) var3_read_1 = 0. |
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| 227 | write(*,*) "Data for h2o_ice_s"//num//" downloaded." |
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| 228 | #ifndef CPP_STD |
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| 229 | call get_var3("watercap"//num,var3_read_2) |
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| 230 | write(*,*) "Data for watercap"//num//" downloaded." |
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| 231 | #endif |
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| 232 | |
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| 233 | ! Compute the minimum over the year for each point |
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| 234 | var2_read = minval(var3_read_1 + var3_read_2,3) |
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| 235 | #ifndef CPP_1D |
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| 236 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,min_h2o_ice(:,islope,2)) |
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| 237 | #else |
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| 238 | min_h2o_ice(1,islope,2) = var2_read(1,1) |
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| 239 | #endif |
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| 240 | write(*,*) "Min of h2o_ice"//num//" computed." |
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| 241 | |
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| 242 | ! Tsurf |
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| 243 | !------ |
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| 244 | call get_var3("tsurf"//num,var3_read_1) |
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| 245 | write(*,*) "Data for tsurf"//num//" downloaded." |
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| 246 | |
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| 247 | ! Compute average over the year for each point |
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| 248 | var2_read = sum(var3_read_1,3)/timelen |
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| 249 | #ifndef CPP_1D |
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| 250 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,tsurf_avg(:,islope)) |
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| 251 | #else |
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| 252 | tsurf_avg(1,islope) = var2_read(1,1) |
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| 253 | #endif |
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| 254 | write(*,*) "Average of tsurf"//num//" computed." |
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| 255 | |
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| 256 | if (soil_pem) then |
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| 257 | ! Tsoil |
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| 258 | !------ |
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| 259 | call get_var4("soiltemp"//num,var4_read) |
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| 260 | write(*,*) "Data for soiltemp"//num//" downloaded." |
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| 261 | |
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| 262 | ! Compute average over the year for each point |
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| 263 | var3_read_3 = sum(var4_read,4)/timelen |
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| 264 | #ifndef CPP_1D |
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| 265 | do l = 1,nsoilmx |
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| 266 | call gr_dyn_fi(timelen,iim_input + 1,jjm_input + 1,ngrid,var4_read(:,:,l,:),tsoil_timeseries(:,l,islope,:)) |
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| 267 | enddo |
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| 268 | call gr_dyn_fi(nsoilmx,iim_input + 1,jjm_input + 1,ngrid,var3_read_3,tsoil_avg(:,:,islope)) |
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| 269 | #else |
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| 270 | tsoil_timeseries(1,:,islope,:) = var4_read(1,1,:,:) |
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| 271 | tsoil_avg(1,:,islope) = var3_read_3(1,1,:) |
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| 272 | #endif |
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| 273 | write(*,*) "Average of tsoil"//num//" computed." |
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| 274 | |
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| 275 | ! Soil water density |
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| 276 | !------------------- |
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| 277 | call get_var4("waterdensity_soil"//num,var4_read) |
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| 278 | #ifndef CPP_1D |
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| 279 | do l = 1,nsoilmx |
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| 280 | call gr_dyn_fi(timelen,iim_input + 1,jjm_input + 1,ngrid,var4_read(:,:,l,:),watersoil_density_timeseries(:,l,islope,:)) |
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| 281 | enddo |
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| 282 | #else |
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| 283 | watersoil_density_timeseries(1,:,islope,:) = var4_read(1,1,:,:) |
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| 284 | #endif |
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| 285 | write(*,*) "Data for waterdensity_soil"//num//" downloaded." |
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| 286 | |
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| 287 | ! Surface water density |
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| 288 | !---------------------- |
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| 289 | call get_var3("waterdensity_surface"//num,var3_read_1) |
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| 290 | write(*,*) "Data for waterdensity_surface"//num//" downloaded." |
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| 291 | |
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| 292 | ! Compute average over the year for each point |
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| 293 | var2_read = sum(var3_read_1,3)/timelen |
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| 294 | #ifndef CPP_1D |
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| 295 | call gr_dyn_fi(1,iim_input + 1,jjm_input + 1,ngrid,var2_read,watersurf_density_avg(:,islope)) |
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| 296 | #else |
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| 297 | watersurf_density_avg(1,islope) = var2_read(1,1) |
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| 298 | #endif |
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| 299 | write(*,*) "Average of waterdensity_surface"//num//" computed." |
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| 300 | endif |
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| 301 | enddo |
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| 302 | deallocate(var2_read,var3_read_1,var3_read_2,var3_read_3,var4_read,num) |
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| 303 | |
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| 304 | ! Close the NetCDF file |
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| 305 | call error_msg(nf90_close(fID),"close",filename2) |
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| 306 | write(*,*) '> "'//filename2//'" processed!' |
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| 307 | |
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| 308 | END SUBROUTINE read_data_PCM |
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| 309 | |
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| 310 | !======================================================================= |
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| 311 | |
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| 312 | SUBROUTINE check_dim(n1,n2,str1,str2) |
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| 313 | |
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| 314 | implicit none |
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| 315 | |
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| 316 | integer, intent(in) :: n1, n2 |
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| 317 | character(len = *), intent(in) :: str1, str2 |
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| 318 | |
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| 319 | character(256) :: s1, s2 |
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| 320 | |
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| 321 | if (n1 /= n2) then |
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| 322 | s1 = 'value of '//trim(str1)//' =' |
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| 323 | s2 = ' read in starting file differs from parametrized '//trim(str2)//' =' |
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| 324 | write(msg,'(10x,a,i4,2x,a,i4)')trim(s1),n1,trim(s2),n2 |
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| 325 | call abort_gcm(trim(modname),trim(msg),1) |
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| 326 | endif |
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| 327 | |
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| 328 | END SUBROUTINE check_dim |
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| 329 | |
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| 330 | !======================================================================= |
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| 331 | |
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| 332 | SUBROUTINE get_var1(var,v) |
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| 333 | |
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| 334 | implicit none |
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| 335 | |
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| 336 | character(len = *), intent(in) :: var |
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| 337 | real, dimension(:), intent(out) :: v |
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| 338 | |
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| 339 | call error_msg(NF90_INQ_VARID(fID,var,vID),"inq",var) |
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| 340 | call error_msg(NF90_GET_VAR(fID,vID,v),"get",var) |
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| 341 | |
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| 342 | END SUBROUTINE get_var1 |
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| 343 | |
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| 344 | !======================================================================= |
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| 345 | |
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| 346 | SUBROUTINE get_var3(var,v) ! on U grid |
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| 347 | |
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| 348 | implicit none |
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| 349 | |
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| 350 | character(len = *), intent(in) :: var |
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| 351 | real, dimension(:,:,:), intent(out) :: v |
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| 352 | |
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| 353 | call error_msg(NF90_INQ_VARID(fID,var,vID),"inq",var) |
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| 354 | call error_msg(NF90_GET_VAR(fID,vID,v),"get",var) |
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| 355 | |
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| 356 | END SUBROUTINE get_var3 |
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| 357 | |
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| 358 | !======================================================================= |
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| 359 | |
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| 360 | SUBROUTINE get_var4(var,v) |
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| 361 | |
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| 362 | implicit none |
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| 363 | |
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| 364 | character(len = *), intent(in) :: var |
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| 365 | real, dimension(:,:,:,:), intent(out) :: v |
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| 366 | |
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| 367 | call error_msg(NF90_INQ_VARID(fID,var,vID),"inq",var) |
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| 368 | call error_msg(NF90_GET_VAR(fID,vID,v),"get",var) |
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| 369 | |
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| 370 | END SUBROUTINE get_var4 |
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| 371 | |
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| 372 | !======================================================================= |
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| 373 | |
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| 374 | SUBROUTINE error_msg(ierr,typ,nam) |
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| 375 | |
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| 376 | implicit none |
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| 377 | |
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| 378 | integer, intent(in) :: ierr !--- NetCDF ERROR CODE |
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| 379 | character(len = *), intent(in) :: typ !--- TYPE OF OPERATION |
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| 380 | character(len = *), intent(in) :: nam !--- FIELD/FILE NAME |
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| 381 | |
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| 382 | if (ierr == nf90_noerr) return |
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| 383 | select case(typ) |
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| 384 | case('inq'); msg="Field <"//trim(nam)//"> is missing" |
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| 385 | case('get'); msg="Reading failed for <"//trim(nam)//">" |
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| 386 | case('put'); msg="Writing failed for <"//trim(nam)//">" |
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| 387 | case('open'); msg="File opening failed for <"//trim(nam)//">" |
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| 388 | case('close'); msg="File closing failed for <"//trim(nam)//">" |
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| 389 | case default |
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| 390 | write(*,*) 'There is no message for this error.' |
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| 391 | error stop |
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| 392 | end select |
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| 393 | call abort_gcm(trim(modname),trim(msg),ierr) |
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| 394 | |
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| 395 | END SUBROUTINE error_msg |
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| 396 | |
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| 397 | END MODULE read_data_PCM_mod |
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| 398 | |
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