1 | ! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt |
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2 | ! SPDX-License-Identifier: GPL-3.0-or-later |
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3 | |
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4 | subroutine readageclasses |
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5 | |
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6 | !***************************************************************************** |
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7 | ! * |
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8 | ! This routine reads the age classes to be used for the current model * |
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9 | ! run. * |
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10 | ! * |
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11 | ! Author: A. Stohl * |
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12 | ! 20 March 2000 * |
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13 | ! HSO, 1 July 2014 * |
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14 | ! Added optional namelist input * |
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15 | ! * |
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16 | !***************************************************************************** |
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17 | ! * |
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18 | ! Variables: * |
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19 | ! * |
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20 | ! Constants: * |
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21 | ! * |
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22 | !***************************************************************************** |
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23 | |
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24 | use par_mod |
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25 | use com_mod |
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26 | |
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27 | implicit none |
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28 | |
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29 | integer :: i |
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30 | |
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31 | ! namelist help variables |
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32 | integer :: readerror |
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33 | |
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34 | ! namelist declaration |
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35 | namelist /ageclass/ & |
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36 | nageclass, & |
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37 | lage |
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38 | |
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39 | nageclass=-1 ! preset to negative value to identify failed namelist input |
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40 | |
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41 | ! If age spectra calculation is switched off, set number of age classes |
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42 | ! to 1 and maximum age to a large number |
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43 | !********************************************************************** |
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44 | |
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45 | if (lagespectra.ne.1) then |
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46 | nageclass=1 |
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47 | lage(nageclass)=999999999 |
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48 | return |
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49 | endif |
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50 | |
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51 | ! If age spectra claculation is switched on, |
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52 | ! open the AGECLASSSES file and read user options |
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53 | !************************************************ |
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54 | |
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55 | open(unitageclasses,file=path(1)(1:length(1))//'AGECLASSES',form='formatted',status='old',err=999) |
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56 | |
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57 | ! try to read in as a namelist |
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58 | read(unitageclasses,ageclass,iostat=readerror) |
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59 | close(unitageclasses) |
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60 | |
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61 | if ((nageclass.lt.0).or.(readerror.ne.0)) then |
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62 | open(unitageclasses,file=path(1)(1:length(1))//'AGECLASSES',status='old',err=999) |
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63 | do i=1,13 |
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64 | read(unitageclasses,*) |
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65 | end do |
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66 | read(unitageclasses,*) nageclass |
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67 | read(unitageclasses,*) lage(1) |
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68 | do i=2,nageclass |
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69 | read(unitageclasses,*) lage(i) |
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70 | end do |
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71 | close(unitageclasses) |
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72 | endif |
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73 | |
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74 | ! write ageclasses file in namelist format to output directory if requested |
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75 | if (nmlout.and.lroot) then |
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76 | open(unitageclasses,file=path(2)(1:length(2))//'AGECLASSES.namelist',err=1000) |
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77 | write(unitageclasses,nml=ageclass) |
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78 | close(unitageclasses) |
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79 | endif |
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80 | |
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81 | if (nageclass.gt.maxageclass) then |
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82 | write(*,*) ' #### FLEXPART MODEL ERROR! NUMBER OF AGE #### ' |
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83 | write(*,*) ' #### CLASSES GREATER THAN MAXIMUM ALLOWED. #### ' |
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84 | write(*,*) ' #### CHANGE SETTINGS IN FILE AGECLASSES OR #### ' |
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85 | write(*,*) ' #### RECOMPILE WITH LARGER MAXAGECLASS IN #### ' |
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86 | write(*,*) ' #### FILE PAR_MOD. #### ' |
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87 | stop |
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88 | endif |
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89 | |
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90 | if (lage(1).le.0) then |
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91 | write(*,*) ' #### FLEXPART MODEL ERROR! AGE OF FIRST #### ' |
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92 | write(*,*) ' #### CLASS MUST BE GREATER THAN ZERO. CHANGE #### ' |
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93 | write(*,*) ' #### SETTINGS IN FILE AGECLASSES. #### ' |
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94 | stop |
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95 | endif |
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96 | |
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97 | do i=2,nageclass |
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98 | if (lage(i).le.lage(i-1)) then |
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99 | write(*,*) ' #### FLEXPART MODEL ERROR! AGE CLASSES #### ' |
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100 | write(*,*) ' #### MUST BE GIVEN IN TEMPORAL ORDER. #### ' |
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101 | write(*,*) ' #### CHANGE SETTINGS IN FILE AGECLASSES. #### ' |
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102 | stop |
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103 | endif |
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104 | end do |
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105 | |
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106 | return |
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107 | |
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108 | 999 write(*,*) ' #### FLEXPART MODEL ERROR! FILE "AGECLASSES" #### ' |
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109 | write(*,*) ' #### CANNOT BE OPENED IN THE DIRECTORY #### ' |
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110 | write(*,'(a)') path(1)(1:length(1)) |
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111 | stop |
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112 | |
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113 | 1000 write(*,*) ' #### FLEXPART MODEL ERROR! FILE "AGECLASSES" #### ' |
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114 | write(*,*) ' #### CANNOT BE OPENED IN THE DIRECTORY #### ' |
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115 | write(*,'(a)') path(2)(1:length(2)) |
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116 | stop |
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117 | |
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118 | |
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119 | end subroutine readageclasses |
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