| [253] | 1 | subroutine su_gases |
|---|
| 2 | |
|---|
| [471] | 3 | use gases_h |
|---|
| 4 | |
|---|
| [253] | 5 | implicit none |
|---|
| 6 | |
|---|
| [716] | 7 | integer igas, ierr, count |
|---|
| [253] | 8 | |
|---|
| [716] | 9 | !================================================================== |
|---|
| 10 | ! |
|---|
| 11 | ! Purpose |
|---|
| 12 | ! ------- |
|---|
| 13 | ! Load atmospheric composition info |
|---|
| 14 | ! |
|---|
| 15 | ! Authors |
|---|
| 16 | ! ------- |
|---|
| 17 | ! R. Wordsworth (2011) |
|---|
| 18 | ! Allocatable arrays by A. Spiga (2011) |
|---|
| 19 | ! |
|---|
| 20 | !================================================================== |
|---|
| [253] | 21 | |
|---|
| [716] | 22 | ! load gas names from file 'gases.def' |
|---|
| 23 | open(90,file='gases.def',status='old',form='formatted',iostat=ierr) |
|---|
| 24 | if (ierr.eq.0) then |
|---|
| 25 | write(*,*) "sugases.F90: reading file gases.def" |
|---|
| 26 | read(90,*) |
|---|
| 27 | read(90,*,iostat=ierr) ngasmx |
|---|
| 28 | if (ierr.ne.0) then |
|---|
| 29 | write(*,*) "sugases.F90: error reading number of gases" |
|---|
| 30 | write(*,*) " (first line of gases.def) " |
|---|
| 31 | call abort |
|---|
| 32 | endif |
|---|
| [253] | 33 | |
|---|
| [716] | 34 | print*,ngasmx, " gases found in gases.def. Allocating names and molar fractions..." |
|---|
| [471] | 35 | |
|---|
| [716] | 36 | if (.not.allocated(gnom)) allocate(gnom(ngasmx)) |
|---|
| 37 | do igas=1,ngasmx |
|---|
| 38 | read(90,*,iostat=ierr) gnom(igas) |
|---|
| 39 | if (ierr.ne.0) then |
|---|
| 40 | write(*,*) 'sugases.F90: error reading gas names in gases.def...' |
|---|
| 41 | call abort |
|---|
| 42 | endif |
|---|
| 43 | enddo !of do igas=1,ngasmx |
|---|
| [253] | 44 | |
|---|
| [716] | 45 | vgas=0 |
|---|
| 46 | if(.not.allocated(gfrac)) allocate(gfrac(ngasmx)) |
|---|
| 47 | do igas=1,ngasmx |
|---|
| 48 | read(90,*,iostat=ierr) gfrac(igas) |
|---|
| 49 | if (ierr.ne.0) then |
|---|
| 50 | write(*,*) 'sugases.F90: error reading gas molar fractions in gases.def...' |
|---|
| 51 | call abort |
|---|
| 52 | endif |
|---|
| [253] | 53 | |
|---|
| [716] | 54 | ! find variable gas (if any) |
|---|
| 55 | if(gfrac(igas).eq.-1.0)then |
|---|
| 56 | if(vgas.eq.0)then |
|---|
| 57 | vgas=igas |
|---|
| 58 | else |
|---|
| 59 | print*,'You seem to be choosing two variable gases' |
|---|
| 60 | print*,'Check that gases.def is correct' |
|---|
| 61 | call abort |
|---|
| 62 | endif |
|---|
| 63 | endif |
|---|
| [253] | 64 | |
|---|
| [716] | 65 | enddo !of do igas=1,ngasmx |
|---|
| 66 | |
|---|
| 67 | |
|---|
| 68 | ! assign the 'igas_X' labels |
|---|
| 69 | count=0 |
|---|
| 70 | do igas=1,ngasmx |
|---|
| 71 | if (gnom(igas).eq."H2_") then |
|---|
| 72 | igas_H2=igas |
|---|
| 73 | count=count+1 |
|---|
| 74 | elseif (gnom(igas).eq."He_") then |
|---|
| 75 | igas_He=igas |
|---|
| 76 | count=count+1 |
|---|
| 77 | elseif (gnom(igas).eq."H2O") then |
|---|
| 78 | igas_H2O=igas |
|---|
| 79 | count=count+1 |
|---|
| 80 | elseif (gnom(igas).eq."CO2") then |
|---|
| 81 | igas_CO2=igas |
|---|
| 82 | count=count+1 |
|---|
| 83 | elseif (gnom(igas).eq."CO_") then |
|---|
| 84 | igas_CO=igas |
|---|
| 85 | count=count+1 |
|---|
| 86 | elseif (gnom(igas).eq."N2_") then |
|---|
| 87 | igas_N2=igas |
|---|
| 88 | count=count+1 |
|---|
| 89 | elseif (gnom(igas).eq."O2_") then |
|---|
| 90 | igas_O2=igas |
|---|
| 91 | count=count+1 |
|---|
| 92 | elseif (gnom(igas).eq."SO2") then |
|---|
| 93 | igas_SO2=igas |
|---|
| 94 | count=count+1 |
|---|
| 95 | elseif (gnom(igas).eq."H2S") then |
|---|
| 96 | igas_H2S=igas |
|---|
| 97 | count=count+1 |
|---|
| 98 | elseif (gnom(igas).eq."CH4") then |
|---|
| 99 | igas_CH4=igas |
|---|
| 100 | count=count+1 |
|---|
| 101 | elseif (gnom(igas).eq."NH3") then |
|---|
| 102 | igas_NH3=igas |
|---|
| 103 | count=count+1 |
|---|
| [868] | 104 | elseif (gnom(igas).eq."2H6") then |
|---|
| 105 | ! this is ethane |
|---|
| 106 | igas_2H6=igas |
|---|
| 107 | count=count+1 |
|---|
| 108 | elseif (gnom(igas).eq."2H2") then |
|---|
| 109 | ! this is acetylene |
|---|
| 110 | igas_2H2=igas |
|---|
| 111 | count=count+1 |
|---|
| [716] | 112 | endif |
|---|
| 113 | enddo |
|---|
| 114 | |
|---|
| 115 | if(count.ne.ngasmx)then |
|---|
| 116 | print*,'Mismatch between ngas and number of recognised gases in sugas_corrk.F90.' |
|---|
| 117 | print*,'Either we haven`t managed to assign all the gases, or there are duplicates.' |
|---|
| 118 | print*,'Please try again.' |
|---|
| 119 | endif |
|---|
| 120 | |
|---|
| 121 | else |
|---|
| 122 | write(*,*) 'Cannot find required file "gases.def"' |
|---|
| 123 | call abort |
|---|
| 124 | endif |
|---|
| 125 | close(90) |
|---|
| 126 | |
|---|
| [253] | 127 | end subroutine su_gases |
|---|
