| 1 | subroutine readageclasses |
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| 2 | |
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| 3 | !***************************************************************************** |
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| 4 | ! * |
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| 5 | ! This routine reads the age classes to be used for the current model * |
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| 6 | ! run. * |
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| 7 | ! * |
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| 8 | ! Author: A. Stohl * |
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| 9 | ! 20 March 2000 * |
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| 10 | ! HSO, 1 July 2014 * |
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| 11 | ! Added optional namelist input * |
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| 12 | ! * |
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| 13 | !***************************************************************************** |
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| 14 | ! * |
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| 15 | ! Variables: * |
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| 16 | ! * |
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| 17 | ! Constants: * |
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| 18 | ! * |
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| 19 | !***************************************************************************** |
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| 20 | |
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| 21 | use par_mod |
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| 22 | use com_mod |
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| 23 | |
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| 24 | implicit none |
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| 25 | |
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| 26 | integer :: i |
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| 27 | |
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| 28 | ! namelist help variables |
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| 29 | integer :: readerror |
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| 30 | |
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| 31 | ! namelist declaration |
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| 32 | namelist /ageclass/ & |
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| 33 | nageclass, & |
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| 34 | lage |
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| 35 | |
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| 36 | nageclass=-1 ! preset to negative value to identify failed namelist input |
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| 37 | |
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| 38 | ! If age spectra calculation is switched off, set number of age classes |
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| 39 | ! to 1 and maximum age to a large number |
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| 40 | !********************************************************************** |
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| 41 | |
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| 42 | if (lagespectra.ne.1) then |
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| 43 | nageclass=1 |
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| 44 | lage(nageclass)=999999999 |
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| 45 | return |
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| 46 | endif |
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| 47 | |
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| 48 | ! If age spectra claculation is switched on, |
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| 49 | ! open the AGECLASSSES file and read user options |
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| 50 | !************************************************ |
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| 51 | |
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| 52 | open(unitageclasses,file=path(1)(1:length(1))//'AGECLASSES',form='formatted',status='old',err=999) |
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| 53 | |
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| 54 | ! try to read in as a namelist |
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| 55 | read(unitageclasses,ageclass,iostat=readerror) |
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| 56 | close(unitageclasses) |
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| 57 | |
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| 58 | if ((nageclass.lt.0).or.(readerror.ne.0)) then |
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| 59 | open(unitageclasses,file=path(1)(1:length(1))//'AGECLASSES',status='old',err=999) |
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| 60 | do i=1,13 |
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| 61 | read(unitageclasses,*) |
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| 62 | end do |
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| 63 | read(unitageclasses,*) nageclass |
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| 64 | read(unitageclasses,*) lage(1) |
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| 65 | do i=2,nageclass |
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| 66 | read(unitageclasses,*) lage(i) |
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| 67 | end do |
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| 68 | close(unitageclasses) |
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| 69 | endif |
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| 70 | |
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| 71 | ! write ageclasses file in namelist format to output directory if requested |
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| 72 | if (nmlout.and.lroot) then |
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| 73 | open(unitageclasses,file=path(2)(1:length(2))//'AGECLASSES.namelist',err=1000) |
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| 74 | write(unitageclasses,nml=ageclass) |
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| 75 | close(unitageclasses) |
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| 76 | endif |
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| 77 | |
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| 78 | if (nageclass.gt.maxageclass) then |
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| 79 | write(*,*) ' #### FLEXPART MODEL ERROR! NUMBER OF AGE #### ' |
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| 80 | write(*,*) ' #### CLASSES GREATER THAN MAXIMUM ALLOWED. #### ' |
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| 81 | write(*,*) ' #### CHANGE SETTINGS IN FILE AGECLASSES OR #### ' |
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| 82 | write(*,*) ' #### RECOMPILE WITH LARGER MAXAGECLASS IN #### ' |
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| 83 | write(*,*) ' #### FILE PAR_MOD. #### ' |
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| 84 | stop |
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| 85 | endif |
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| 86 | |
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| 87 | if (lage(1).le.0) then |
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| 88 | write(*,*) ' #### FLEXPART MODEL ERROR! AGE OF FIRST #### ' |
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| 89 | write(*,*) ' #### CLASS MUST BE GREATER THAN ZERO. CHANGE #### ' |
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| 90 | write(*,*) ' #### SETTINGS IN FILE AGECLASSES. #### ' |
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| 91 | stop |
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| 92 | endif |
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| 93 | |
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| 94 | do i=2,nageclass |
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| 95 | if (lage(i).le.lage(i-1)) then |
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| 96 | write(*,*) ' #### FLEXPART MODEL ERROR! AGE CLASSES #### ' |
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| 97 | write(*,*) ' #### MUST BE GIVEN IN TEMPORAL ORDER. #### ' |
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| 98 | write(*,*) ' #### CHANGE SETTINGS IN FILE AGECLASSES. #### ' |
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| 99 | stop |
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| 100 | endif |
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| 101 | end do |
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| 102 | |
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| 103 | return |
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| 104 | |
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| 105 | 999 write(*,*) ' #### FLEXPART MODEL ERROR! FILE "AGECLASSES" #### ' |
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| 106 | write(*,*) ' #### CANNOT BE OPENED IN THE DIRECTORY #### ' |
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| 107 | write(*,'(a)') path(1)(1:length(1)) |
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| 108 | stop |
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| 109 | |
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| 110 | 1000 write(*,*) ' #### FLEXPART MODEL ERROR! FILE "AGECLASSES" #### ' |
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| 111 | write(*,*) ' #### CANNOT BE OPENED IN THE DIRECTORY #### ' |
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| 112 | write(*,'(a)') path(2)(1:length(2)) |
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| 113 | stop |
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| 114 | |
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| 115 | |
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| 116 | end subroutine readageclasses |
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