| 1 | subroutine sugas_corrk |
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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 gaseous absorption parameters used by the radiation code. |
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| 8 | ! This subroutine is a replacement for the old 'setrad', which contained |
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| 9 | ! both absorption and scattering data. |
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| 10 | ! |
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| 11 | ! Authors |
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| 12 | ! ------- |
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| 13 | ! Adapted and generalised from the NASA Ames code by Robin Wordsworth (2009) |
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| 14 | ! |
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| 15 | ! Summary |
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| 16 | ! ------- |
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| 17 | ! |
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| 18 | !================================================================== |
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| 19 | |
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| 20 | use radinc_h |
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| 21 | use radcommon_h, only : pgasref,pfgasref,pgasmin,pgasmax |
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| 22 | use radcommon_h, only : tgasref,tgasmin,tgasmax |
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| 23 | use radcommon_h, only : gasv,gasi,FZEROI,FZEROV,gweight |
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| 24 | use radcommon_h, only : wrefvar,gastype |
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| 25 | |
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| 26 | implicit none |
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| 27 | |
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| 28 | #include "datafile.h" |
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| 29 | #include "callkeys.h" |
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| 30 | #include "gases.h" |
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| 31 | |
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| 32 | !================================================================== |
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| 33 | |
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| 34 | logical file_ok |
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| 35 | |
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| 36 | integer n, nt, np, nh, ng, nw, m, i |
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| 37 | integer L_NGAUSScheck, L_NPREFcheck, L_NTREFcheck, L_REFVARcheck |
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| 38 | |
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| 39 | character(len=100) :: file_id |
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| 40 | character(len=100) :: file_path |
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| 41 | |
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| 42 | real*8 gasi8(L_NTREF,L_NPREF,L_REFVAR,L_NSPECTI,L_NGAUSS) |
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| 43 | real*8 gasv8(L_NTREF,L_NPREF,L_REFVAR,L_NSPECTV,L_NGAUSS) |
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| 44 | |
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| 45 | real*8 x, xi(4), yi(4), ans, p |
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| 46 | |
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| 47 | integer ngas, igas |
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| 48 | |
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| 49 | ! temporary special for addh2 |
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| 50 | double precision testH2 |
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| 51 | |
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| 52 | !======================================================================= |
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| 53 | ! Load variable species data, exit if we have wrong database |
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| 54 | file_id='/corrk_data/' // corrkdir(1:LEN_TRIM(corrkdir)) // '/Q.dat' |
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| 55 | file_path=datafile(1:LEN_TRIM(datafile))//file_id(1:LEN_TRIM(file_id)) |
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| 56 | |
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| 57 | |
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| 58 | ! check that the file exists |
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| 59 | inquire(FILE=file_path,EXIST=file_ok) |
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| 60 | if(.not.file_ok) then |
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| 61 | write(*,*)'The file ',file_path(1:LEN_TRIM(file_path)) |
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| 62 | write(*,*)'was not found by sugas_corrk.F90, exiting.' |
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| 63 | call abort |
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| 64 | endif |
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| 65 | |
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| 66 | ! check that database matches varactive toggle |
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| 67 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 68 | read(111,*) ngas |
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| 69 | |
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| 70 | if(ngas.ne.ngasmx)then |
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| 71 | print*,'Number of gases in radiative transfer data (',ngas,') does not', & |
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| 72 | 'match that in gases.def (',ngasmx,'), exiting.' |
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| 73 | call abort |
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| 74 | endif |
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| 75 | |
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| 76 | if(ngas.eq.1 .and. (varactive.or.varfixed))then |
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| 77 | print*,'You have varactive/fixed=.true. but the database [', & |
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| 78 | corrkdir(1:LEN_TRIM(corrkdir)), & |
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| 79 | '] has no variable species, exiting.' |
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| 80 | call abort |
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| 81 | elseif(ngas.eq.2 .and. (.not.varactive) .and. (.not.varfixed))then |
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| 82 | print*,'You have varactive and varfixed=.false. and the database [', & |
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| 83 | corrkdir(1:LEN_TRIM(corrkdir)), & |
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| 84 | '] has a variable species.' |
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| 85 | call abort |
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| 86 | elseif(ngas.gt.4 .or. ngas.lt.1)then |
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| 87 | print*,ngas,' species in database [', & |
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| 88 | corrkdir(1:LEN_TRIM(corrkdir)), & |
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| 89 | '], radiative code cannot handle this.' |
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| 90 | call abort |
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| 91 | endif |
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| 92 | |
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| 93 | if(ngas.gt.3)then |
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| 94 | print*,'ngas>3, EXPERIMENTAL!' |
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| 95 | endif |
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| 96 | |
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| 97 | |
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| 98 | do n=1,ngas |
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| 99 | read(111,*) gastype(n) |
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| 100 | print*,'Gas ',n,' is ',gastype(n) |
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| 101 | enddo |
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| 102 | |
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| 103 | ! check the array size is correct, load the coefficients |
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| 104 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 105 | read(111,*) L_REFVARcheck |
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| 106 | if(.not.(L_REFVARcheck.eq.L_REFVAR)) then |
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| 107 | print*, L_REFVARcheck |
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| 108 | print*, L_REFVAR |
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| 109 | print*,'The size of your radiative transfer mixing ratio array does ' |
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| 110 | print*,'not match the value given in Q.dat, exiting.' |
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| 111 | call abort |
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| 112 | endif |
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| 113 | read(111,*) wrefvar |
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| 114 | close(111) |
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| 115 | |
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| 116 | ! Check that gastype and gnom match |
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| 117 | do n=1,ngas |
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| 118 | print*,'Gas ',n,' is ',gnom(n) |
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| 119 | if(gnom(n).ne.gastype(n))then |
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| 120 | print*,'Name of a gas in radiative transfer data (',gastype(n),') does not', & |
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| 121 | 'match that in gases.def (',gnom(n),'), exiting.' |
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| 122 | endif |
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| 123 | enddo |
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| 124 | print*,'Confirmed gas match in radiative transfer and gases.def!' |
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| 125 | |
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| 126 | ! display the values |
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| 127 | print*,'Variable gas mixing ratios:' |
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| 128 | do n=1,L_REFVAR |
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| 129 | !print*,n,'.',wrefvar(n),' kg/kg' ! pay attention! |
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| 130 | print*,n,'.',wrefvar(n),' mol/mol' |
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| 131 | end do |
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| 132 | print*,'' |
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| 133 | |
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| 134 | !======================================================================= |
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| 135 | ! Set the weighting in g-space |
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| 136 | |
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| 137 | file_id='/corrk_data/' // corrkdir(1:LEN_TRIM(corrkdir)) // '/g.dat' |
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| 138 | file_path=datafile(1:LEN_TRIM(datafile))//file_id(1:LEN_TRIM(file_id)) |
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| 139 | |
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| 140 | ! check that the file exists |
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| 141 | inquire(FILE=file_path,EXIST=file_ok) |
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| 142 | if(.not.file_ok) then |
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| 143 | write(*,*)'The file ',file_path(1:LEN_TRIM(file_path)) |
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| 144 | write(*,*)'was not found by sugas_corrk.F90, exiting.' |
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| 145 | call abort |
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| 146 | endif |
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| 147 | |
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| 148 | ! check the array size is correct, load the coefficients |
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| 149 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 150 | read(111,*) L_NGAUSScheck |
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| 151 | if(.not.(L_NGAUSScheck.eq.L_NGAUSS)) then |
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| 152 | print*,'The size of your radiative transfer g-space array does ' |
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| 153 | print*,'not match the value given in g.dat, exiting.' |
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| 154 | call abort |
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| 155 | endif |
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| 156 | read(111,*) gweight |
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| 157 | close(111) |
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| 158 | |
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| 159 | ! display the values |
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| 160 | print*,'Correlated-k g-space grid:' |
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| 161 | do n=1,L_NGAUSS |
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| 162 | print*,n,'.',gweight(n) |
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| 163 | end do |
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| 164 | print*,'' |
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| 165 | |
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| 166 | !======================================================================= |
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| 167 | ! Set the reference pressure and temperature arrays. These are |
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| 168 | ! the pressures and temperatures at which we have k-coefficients. |
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| 169 | |
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| 170 | !----------------------------------------------------------------------- |
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| 171 | ! pressure |
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| 172 | |
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| 173 | file_id='/corrk_data/' // corrkdir(1:LEN_TRIM(corrkdir)) // '/p.dat' |
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| 174 | file_path=datafile(1:LEN_TRIM(datafile))//file_id(1:LEN_TRIM(file_id)) |
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| 175 | |
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| 176 | ! check that the file exists |
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| 177 | inquire(FILE=file_path,EXIST=file_ok) |
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| 178 | if(.not.file_ok) then |
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| 179 | write(*,*)'The file ',file_path(1:LEN_TRIM(file_path)) |
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| 180 | write(*,*)'was not found by sugas_corrk.F90, exiting.' |
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| 181 | call abort |
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| 182 | endif |
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| 183 | |
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| 184 | ! check the array size is correct, load the coefficients |
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| 185 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 186 | read(111,*) L_NPREFcheck |
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| 187 | if(.not.(L_NPREFcheck.eq.L_NPREF)) then |
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| 188 | print*,'The size of your radiative transfer pressure array does ' |
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| 189 | print*,'not match the value given in p.dat, exiting.' |
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| 190 | call abort |
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| 191 | endif |
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| 192 | read(111,*) pgasref |
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| 193 | close(111) |
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| 194 | |
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| 195 | ! display the values |
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| 196 | print*,'Correlated-k pressure grid (mBar):' |
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| 197 | do n=1,L_NPREF |
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| 198 | print*,n,'. 1 x 10^',pgasref(n),' mBar' |
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| 199 | end do |
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| 200 | print*,'' |
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| 201 | |
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| 202 | ! save the min / max matrix values |
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| 203 | pgasmin = 10.0**pgasref(1) |
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| 204 | pgasmax = 10.0**pgasref(L_NPREF) |
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| 205 | |
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| 206 | ! interpolate to finer grid |
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| 207 | do n=1,L_NPREF-1 |
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| 208 | do m=1,5 |
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| 209 | pfgasref((n-1)*5+m) = pgasref(n)+(m-1)*0.2 |
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| 210 | end do |
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| 211 | end do |
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| 212 | pfgasref(L_PINT) = pgasref(L_NPREF) |
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| 213 | print*,'Warning, pfgasref needs generalisation to uneven grids!!' |
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| 214 | |
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| 215 | !----------------------------------------------------------------------- |
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| 216 | ! temperature |
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| 217 | |
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| 218 | file_id='/corrk_data/' // corrkdir(1:LEN_TRIM(corrkdir)) // '/T.dat' |
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| 219 | file_path=datafile(1:LEN_TRIM(datafile))//file_id(1:LEN_TRIM(file_id)) |
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| 220 | |
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| 221 | ! check that the file exists |
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| 222 | inquire(FILE=file_path,EXIST=file_ok) |
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| 223 | if(.not.file_ok) then |
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| 224 | write(*,*)'The file ',file_path(1:LEN_TRIM(file_path)) |
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| 225 | write(*,*)'was not found by sugas_corrk.F90, exiting.' |
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| 226 | call abort |
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| 227 | endif |
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| 228 | |
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| 229 | ! check the array size is correct, load the coefficients |
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| 230 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 231 | read(111,*) L_NTREFcheck |
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| 232 | if(.not.(L_NTREFcheck.eq.L_NTREF)) then |
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| 233 | print*,'The size of your radiative transfer temperature array does ' |
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| 234 | print*,'not match the value given in T.dat, exiting.' |
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| 235 | call abort |
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| 236 | endif |
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| 237 | read(111,*) tgasref |
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| 238 | close(111) |
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| 239 | |
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| 240 | ! display the values |
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| 241 | print*,'Correlated-k temperature grid:' |
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| 242 | do n=1,L_NTREF |
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| 243 | print*,n,'.',tgasref(n),' K' |
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| 244 | end do |
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| 245 | |
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| 246 | ! save the min / max matrix values |
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| 247 | tgasmin = tgasref(1) |
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| 248 | tgasmax = tgasref(L_NTREF) |
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| 249 | |
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| 250 | !======================================================================= |
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| 251 | ! Get gaseous k-coefficients and interpolate onto finer pressure grid |
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| 252 | |
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| 253 | ! VISIBLE |
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| 254 | if (callgasvis.and..not.corrkdir(1:LEN_TRIM(corrkdir)).eq.'null') then |
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| 255 | file_id='/corrk_data/'//trim(adjustl(banddir))//'/corrk_gcm_VI.dat' |
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| 256 | file_path=datafile(1:LEN_TRIM(datafile))//file_id(1:LEN_TRIM(file_id)) |
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| 257 | |
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| 258 | ! check that the file exists |
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| 259 | inquire(FILE=file_path,EXIST=file_ok) |
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| 260 | if(.not.file_ok) then |
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| 261 | write(*,*)'The file ',file_path(1:LEN_TRIM(file_path)) |
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| 262 | write(*,*)'was not found by sugas_corrk.F90.' |
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| 263 | write(*,*)'Are you sure you have absorption data for these bands?' |
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| 264 | call abort |
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| 265 | endif |
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| 266 | |
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| 267 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 268 | read(111,*) gasv8 |
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| 269 | close(111) |
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| 270 | |
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| 271 | else |
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| 272 | print*,'Visible corrk gaseous absorption is set to zero.' |
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| 273 | gasv8(:,:,:,:,:)=0.0 |
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| 274 | endif |
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| 275 | |
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| 276 | ! INFRA-RED |
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| 277 | if (.not.corrkdir(1:LEN_TRIM(corrkdir)).eq.'null') then |
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| 278 | file_id='/corrk_data/'//trim(adjustl(banddir))//'/corrk_gcm_IR.dat' |
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| 279 | file_path=datafile(1:LEN_TRIM(datafile))//file_id(1:LEN_TRIM(file_id)) |
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| 280 | |
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| 281 | ! check that the file exists |
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| 282 | inquire(FILE=file_path,EXIST=file_ok) |
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| 283 | if(.not.file_ok) then |
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| 284 | write(*,*)'The file ',file_path(1:LEN_TRIM(file_path)) |
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| 285 | write(*,*)'was not found by sugas_corrk.F90.' |
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| 286 | write(*,*)'Are you sure you have absorption data for these bands?' |
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| 287 | call abort |
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| 288 | endif |
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| 289 | |
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| 290 | open(111,file=file_path(1:LEN_TRIM(file_path)),form='formatted') |
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| 291 | read(111,*) gasi8 |
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| 292 | close(111) |
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| 293 | |
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| 294 | do nw=1,L_NSPECTI |
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| 295 | fzeroi(nw) = 0. |
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| 296 | end do |
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| 297 | do nw=1,L_NSPECTV |
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| 298 | fzerov(nw) = 0. |
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| 299 | end do |
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| 300 | |
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| 301 | else |
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| 302 | print*,'Infrared corrk gaseous absorption is set to zero.' |
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| 303 | gasi8(:,:,:,:,:)=0.0 |
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| 304 | endif |
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| 305 | |
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| 306 | ! Take log10 of the values - this is what we will interpolate. |
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| 307 | ! Smallest value is 1.0E-200. |
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| 308 | |
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| 309 | do nt=1,L_NTREF |
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| 310 | do np=1,L_NPREF |
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| 311 | do nh=1,L_REFVAR |
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| 312 | do ng = 1,L_NGAUSS |
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| 313 | |
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| 314 | do nw=1,L_NSPECTV |
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| 315 | if(gasv8(nt,np,nh,nw,ng).gt.1.0d-200) then |
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| 316 | gasv8(nt,np,nh,nw,ng) = & |
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| 317 | log10(gasv8(nt,np,nh,nw,ng)) |
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| 318 | else |
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| 319 | gasv8(nt,np,nh,nw,ng) = -200.0 |
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| 320 | end if |
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| 321 | end do |
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| 322 | |
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| 323 | do nw=1,L_NSPECTI |
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| 324 | if(gasi8(nt,np,nh,nw,ng).gt.1.0d-200) then |
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| 325 | gasi8(nt,np,nh,nw,ng) = & |
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| 326 | log10(gasi8(nt,np,nh,nw,ng)) |
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| 327 | else |
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| 328 | gasi8(nt,np,nh,nw,ng) = -200.0 |
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| 329 | end if |
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| 330 | end do |
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| 331 | |
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| 332 | end do |
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| 333 | end do |
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| 334 | end do |
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| 335 | end do |
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| 336 | |
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| 337 | ! Interpolate the values: first the longwave |
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| 338 | |
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| 339 | do nt=1,L_NTREF |
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| 340 | do nh=1,L_REFVAR |
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| 341 | do nw=1,L_NSPECTI |
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| 342 | do ng=1,L_NGAUSS |
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| 343 | |
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| 344 | ! First, the initial interval |
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| 345 | |
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| 346 | n = 1 |
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| 347 | do m=1,5 |
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| 348 | x = pfgasref(m) |
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| 349 | xi(1) = pgasref(n) |
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| 350 | xi(2) = pgasref(n+1) |
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| 351 | xi(3) = pgasref(n+2) |
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| 352 | xi(4) = pgasref(n+3) |
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| 353 | yi(1) = gasi8(nt,n,nh,nw,ng) |
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| 354 | yi(2) = gasi8(nt,n+1,nh,nw,ng) |
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| 355 | yi(3) = gasi8(nt,n+2,nh,nw,ng) |
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| 356 | yi(4) = gasi8(nt,n+3,nh,nw,ng) |
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| 357 | call lagrange(x,xi,yi,ans) |
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| 358 | gasi(nt,m,nh,nw,ng) = 10.0**ans |
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| 359 | end do |
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| 360 | |
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| 361 | do n=2,L_NPREF-2 |
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| 362 | do m=1,5 |
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| 363 | i = (n-1)*5+m |
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| 364 | x = pfgasref(i) |
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| 365 | xi(1) = pgasref(n-1) |
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| 366 | xi(2) = pgasref(n) |
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| 367 | xi(3) = pgasref(n+1) |
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| 368 | xi(4) = pgasref(n+2) |
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| 369 | yi(1) = gasi8(nt,n-1,nh,nw,ng) |
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| 370 | yi(2) = gasi8(nt,n,nh,nw,ng) |
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| 371 | yi(3) = gasi8(nt,n+1,nh,nw,ng) |
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| 372 | yi(4) = gasi8(nt,n+2,nh,nw,ng) |
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| 373 | call lagrange(x,xi,yi,ans) |
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| 374 | gasi(nt,i,nh,nw,ng) = 10.0**ans |
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| 375 | end do |
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| 376 | end do |
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| 377 | |
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| 378 | ! Now, get the last interval |
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| 379 | |
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| 380 | n = L_NPREF-1 |
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| 381 | do m=1,5 |
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| 382 | i = (n-1)*5+m |
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| 383 | x = pfgasref(i) |
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| 384 | xi(1) = pgasref(n-2) |
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| 385 | xi(2) = pgasref(n-1) |
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| 386 | xi(3) = pgasref(n) |
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| 387 | xi(4) = pgasref(n+1) |
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| 388 | yi(1) = gasi8(nt,n-2,nh,nw,ng) |
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| 389 | yi(2) = gasi8(nt,n-1,nh,nw,ng) |
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| 390 | yi(3) = gasi8(nt,n,nh,nw,ng) |
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| 391 | yi(4) = gasi8(nt,n+1,nh,nw,ng) |
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| 392 | call lagrange(x,xi,yi,ans) |
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| 393 | gasi(nt,i,nh,nw,ng) = 10.0**ans |
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| 394 | end do |
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| 395 | |
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| 396 | ! Fill the last pressure point |
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| 397 | |
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| 398 | gasi(nt,L_PINT,nh,nw,ng) = & |
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| 399 | 10.0**gasi8(nt,L_NPREF,nh,nw,ng) |
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| 400 | |
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| 401 | end do |
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| 402 | end do |
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| 403 | end do |
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| 404 | end do |
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| 405 | |
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| 406 | ! Interpolate the values: now the shortwave |
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| 407 | |
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| 408 | do nt=1,L_NTREF |
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| 409 | do nh=1,L_REFVAR |
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| 410 | do nw=1,L_NSPECTV |
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| 411 | do ng=1,L_NGAUSS |
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| 412 | |
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| 413 | ! First, the initial interval |
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| 414 | |
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| 415 | n = 1 |
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| 416 | do m=1,5 |
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| 417 | x = pfgasref(m) |
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| 418 | xi(1) = pgasref(n) |
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| 419 | xi(2) = pgasref(n+1) |
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| 420 | xi(3) = pgasref(n+2) |
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| 421 | xi(4) = pgasref(n+3) |
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| 422 | yi(1) = gasv8(nt,n,nh,nw,ng) |
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| 423 | yi(2) = gasv8(nt,n+1,nh,nw,ng) |
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| 424 | yi(3) = gasv8(nt,n+2,nh,nw,ng) |
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| 425 | yi(4) = gasv8(nt,n+3,nh,nw,ng) |
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| 426 | call lagrange(x,xi,yi,ans) |
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| 427 | gasv(nt,m,nh,nw,ng) = 10.0**ans |
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| 428 | end do |
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| 429 | |
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| 430 | do n=2,L_NPREF-2 |
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| 431 | do m=1,5 |
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| 432 | i = (n-1)*5+m |
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| 433 | x = pfgasref(i) |
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| 434 | xi(1) = pgasref(n-1) |
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| 435 | xi(2) = pgasref(n) |
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| 436 | xi(3) = pgasref(n+1) |
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| 437 | xi(4) = pgasref(n+2) |
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| 438 | yi(1) = gasv8(nt,n-1,nh,nw,ng) |
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| 439 | yi(2) = gasv8(nt,n,nh,nw,ng) |
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| 440 | yi(3) = gasv8(nt,n+1,nh,nw,ng) |
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| 441 | yi(4) = gasv8(nt,n+2,nh,nw,ng) |
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| 442 | call lagrange(x,xi,yi,ans) |
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| 443 | gasv(nt,i,nh,nw,ng) = 10.0**ans |
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| 444 | end do |
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| 445 | end do |
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| 446 | |
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| 447 | ! Now, get the last interval |
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| 448 | |
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| 449 | n = L_NPREF-1 |
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| 450 | do m=1,5 |
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| 451 | i = (n-1)*5+m |
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| 452 | x = pfgasref(i) |
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| 453 | xi(1) = pgasref(n-2) |
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| 454 | xi(2) = pgasref(n-1) |
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| 455 | xi(3) = pgasref(n) |
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| 456 | xi(4) = pgasref(n+1) |
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| 457 | yi(1) = gasv8(nt,n-2,nh,nw,ng) |
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| 458 | yi(2) = gasv8(nt,n-1,nh,nw,ng) |
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| 459 | yi(3) = gasv8(nt,n,nh,nw,ng) |
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| 460 | yi(4) = gasv8(nt,n+1,nh,nw,ng) |
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| 461 | call lagrange(x,xi,yi,ans) |
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| 462 | gasv(nt,i,nh,nw,ng) = 10.0**ans |
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| 463 | end do |
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| 464 | |
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| 465 | ! Fill the last pressure point |
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| 466 | |
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| 467 | gasv(nt,L_PINT,nh,nw,ng) = & |
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| 468 | 10.0**gasv8(nt,L_NPREF,nh,nw,ng) |
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| 469 | |
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| 470 | end do |
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| 471 | end do |
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| 472 | end do |
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| 473 | end do |
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| 474 | |
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| 475 | do igas=1,ngasmx |
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| 476 | if(gnom(igas).eq.'H2_')then |
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| 477 | call interpolateH2H2(500.D+0,250.D+0,17500.D+0,testH2,.true.) |
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| 478 | endif |
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| 479 | enddo |
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| 480 | |
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| 481 | |
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| 482 | return |
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| 483 | end subroutine sugas_corrk |
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