| 1 | subroutine setspv |
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| 2 | |
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| 3 | !================================================================== |
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| 4 | ! |
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| 5 | ! Purpose |
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| 6 | ! ------- |
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| 7 | ! Set up spectral intervals, stellar spectrum and Rayleigh |
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| 8 | ! opacity in the shortwave. |
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| 9 | ! |
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| 10 | ! Authors |
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| 11 | ! ------- |
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| 12 | ! Adapted from setspv in the NASA Ames radiative code by |
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| 13 | ! Robin Wordsworth (2009). |
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| 14 | ! |
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| 15 | ! Called by |
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| 16 | ! --------- |
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| 17 | ! callcorrk.F |
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| 18 | ! |
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| 19 | ! Calls |
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| 20 | ! ----- |
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| 21 | ! ave_stelspec.F |
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| 22 | ! |
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| 23 | !================================================================== |
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| 24 | |
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| 25 | use radinc_h, only: L_NSPECTV, corrkdir, banddir |
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| 26 | use radcommon_h, only: BWNV,BLAMV,WNOV,DWNV,WAVEV, & |
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| 27 | STELLARF,TAURAY |
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| 28 | use datafile_mod, only: datadir |
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| 29 | |
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| 30 | implicit none |
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| 31 | |
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| 32 | #include "comcstfi.h" |
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| 33 | #include "callkeys.h" |
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| 34 | |
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| 35 | logical file_ok |
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| 36 | |
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| 37 | integer N, M, file_entries |
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| 38 | |
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| 39 | character(len=30) :: temp1 |
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| 40 | character(len=100) :: file_id |
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| 41 | character(len=100) :: file_path |
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| 42 | |
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| 43 | real*8 :: lastband(2) |
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| 44 | |
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| 45 | real*8 STELLAR(L_NSPECTV) |
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| 46 | real*8 sum |
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| 47 | |
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| 48 | !======================================================================= |
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| 49 | ! Set up spectral bands - wavenumber [cm^(-1)]. Go from smaller to |
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| 50 | ! larger wavenumbers, the same as in the IR. |
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| 51 | |
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| 52 | write(temp1,'(i2.2)') L_NSPECTV |
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| 53 | file_id='/corrk_data/'//trim(adjustl(banddir))//'/narrowbands_VI.in' |
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| 54 | file_path=TRIM(datadir)//TRIM(file_id) |
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| 55 | |
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| 56 | ! check that the file exists |
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| 57 | inquire(FILE=file_path,EXIST=file_ok) |
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| 58 | if(.not.file_ok) then |
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| 59 | write(*,*)'The file ',TRIM(file_path) |
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| 60 | write(*,*)'was not found by setspv.F90, exiting.' |
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| 61 | write(*,*)'Check that your path to datagcm:',trim(datadir) |
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| 62 | write(*,*)' is correct. You can change it in callphys.def with:' |
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| 63 | write(*,*)' datadir = /absolute/path/to/datagcm' |
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| 64 | write(*,*)'Also check that the corrkdir you chose in callphys.def exists.' |
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| 65 | call abort |
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| 66 | endif |
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| 67 | |
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| 68 | ! check that the file contains the right number of bands |
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| 69 | call system('wc -l '//file_path//' > bandlen.txt') |
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| 70 | open(131,file='bandlen.txt', form='formatted') |
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| 71 | read(131,*) file_entries |
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| 72 | close(131) |
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| 73 | call system('rm -f bandlen.txt') |
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| 74 | |
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| 75 | if(file_entries-1.ne.L_NSPECTV) then |
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| 76 | write(*,*) 'setspv: L_NSPECTV = ',L_NSPECTV, 'in the model, but there are ' |
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| 77 | write(*,*) file_entries-1,'entries in ', & |
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| 78 | TRIM(file_path),', exiting.' |
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| 79 | call abort |
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| 80 | endif |
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| 81 | |
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| 82 | ! load and display the data |
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| 83 | open(111,file=file_path,form='formatted') |
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| 84 | read(111,*) |
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| 85 | do M=1,L_NSPECTV-1 |
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| 86 | read(111,*) BWNV(M) |
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| 87 | end do |
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| 88 | read(111,*) lastband |
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| 89 | close(111) |
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| 90 | BWNV(L_NSPECTV) =lastband(1) |
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| 91 | BWNV(L_NSPECTV+1)=lastband(2) |
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| 92 | |
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| 93 | |
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| 94 | print*,'setspv: VI band limits:' |
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| 95 | do M=1,L_NSPECTV+1 |
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| 96 | print*,m,'-->',BWNV(M),' cm^-1' |
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| 97 | end do |
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| 98 | print*,' ' |
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| 99 | |
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| 100 | ! Set up mean wavenumbers and wavenumber deltas. Units of |
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| 101 | ! wavenumbers is cm^(-1); units of wavelengths is microns. |
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| 102 | |
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| 103 | do M=1,L_NSPECTV |
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| 104 | WNOV(M) = 0.5*(BWNV(M+1)+BWNV(M)) |
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| 105 | DWNV(M) = BWNV(M+1)-BWNV(M) |
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| 106 | WAVEV(M) = 1.0E+4/WNOV(M) |
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| 107 | BLAMV(M) = 0.01/BWNV(M) |
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| 108 | end do |
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| 109 | BLAMV(M) = 0.01/BWNV(M) ! wavelength in METERS for aerosol stuff |
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| 110 | ! note M=L_NSPECTV+1 after loop due to Fortran bizarreness |
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| 111 | |
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| 112 | !======================================================================= |
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| 113 | ! Set up stellar spectrum |
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| 114 | |
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| 115 | write(*,*)'setspv: Interpolating stellar spectrum from the hires data...' |
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| 116 | call ave_stelspec(STELLAR) |
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| 117 | |
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| 118 | ! Sum the stellar flux, and write out the result. |
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| 119 | sum = 0.0 |
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| 120 | do N=1,L_NSPECTV |
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| 121 | STELLARF(N) = STELLAR(N) * Fat1AU |
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| 122 | sum = sum+STELLARF(N) |
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| 123 | end do |
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| 124 | write(6,'("setspv: Stellar flux at 1 AU = ",f7.2," W m-2")') sum |
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| 125 | print*,' ' |
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| 126 | |
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| 127 | |
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| 128 | !======================================================================= |
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| 129 | ! Set up the wavelength independent part of the Rayleigh scattering. |
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| 130 | ! The pressure dependent part will be computed elsewhere (OPTCV). |
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| 131 | ! WAVEV is in microns. There is no Rayleigh scattering in the IR. |
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| 132 | |
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| 133 | if(rayleigh) then |
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| 134 | call calc_rayleigh |
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| 135 | else |
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| 136 | print*,'setspv: No Rayleigh scattering, check for NaN in output!' |
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| 137 | do N=1,L_NSPECTV |
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| 138 | TAURAY(N) = 1E-16 |
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| 139 | end do |
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| 140 | endif |
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| 141 | |
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| 142 | RETURN |
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| 143 | END subroutine setspv |
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