[e200b7a] | 1 | !********************************************************************** |
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| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
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| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
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| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
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| 5 | ! * |
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| 6 | ! This file is part of FLEXPART. * |
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| 7 | ! * |
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| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
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| 9 | ! it under the terms of the GNU General Public License as published by* |
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| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
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| 11 | ! (at your option) any later version. * |
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| 12 | ! * |
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| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
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| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 16 | ! GNU General Public License for more details. * |
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| 17 | ! * |
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| 18 | ! You should have received a copy of the GNU General Public License * |
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| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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| 20 | !********************************************************************** |
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| 21 | |
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| 22 | subroutine readOHfield |
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| 23 | |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! Reads the OH field into memory * |
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| 27 | ! * |
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[8a65cb0] | 28 | ! AUTHOR: R.L. Thompson, Nov 2014 * |
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[e200b7a] | 29 | ! * |
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| 30 | !***************************************************************************** |
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| 31 | ! * |
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| 32 | ! Variables: * |
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| 33 | ! * |
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[8a65cb0] | 34 | ! path(numpath) contains the path names * |
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| 35 | ! lonOH(nxOH) longitude of OH fields * |
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| 36 | ! latOH(nyOH) latitude of OH fields * |
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| 37 | ! altOH(nzOH) altitude of OH fields * |
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| 38 | ! etaOH(nzOH) eta-levels of OH fields * |
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| 39 | ! OH_field(nxOH,nyOH,nzOH,m) OH concentration (molecules/cm3) * |
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| 40 | ! * |
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[e200b7a] | 41 | ! * |
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| 42 | !***************************************************************************** |
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| 43 | |
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| 44 | use oh_mod |
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| 45 | use par_mod |
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| 46 | use com_mod |
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| 47 | |
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| 48 | implicit none |
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| 49 | |
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[8a65cb0] | 50 | include 'netcdf.inc' |
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| 51 | |
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| 52 | character(len=150) :: thefile |
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| 53 | character(len=2) :: mm |
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| 54 | integer :: nid,ierr,xid,yid,zid,vid,m |
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| 55 | real, dimension(:), allocatable :: etaOH |
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[e200b7a] | 56 | |
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[8a65cb0] | 57 | ! real, parameter :: gasct=8.314 ! gas constant |
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| 58 | ! real, parameter :: mct=0.02894 ! kg mol-1 |
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| 59 | ! real, parameter :: g=9.80665 ! m s-2 |
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| 60 | ! real, parameter :: lrate=0.0065 ! K m-1 |
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| 61 | real, parameter :: scalehgt=7000. ! scale height in metres |
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[e200b7a] | 62 | |
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[8a65cb0] | 63 | ! Read OH fields and level heights |
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[e200b7a] | 64 | !******************************** |
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| 65 | |
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| 66 | do m=1,12 |
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[8a65cb0] | 67 | |
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| 68 | ! open netcdf file |
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| 69 | write(mm,fmt='(i2.2)') m |
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[78e62dc] | 70 | ! thefile=trim(path(1))//'OH_FIELDS/'//'geos-chem.OH.2005'//mm//'01.nc' |
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| 71 | thefile=trim(ohfields_path)//'OH_FIELDS/'//'geos-chem.OH.2005'//mm//'01.nc' |
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[8a65cb0] | 72 | ierr=nf_open(trim(thefile),NF_NOWRITE,nid) |
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| 73 | if(ierr.ne.0) then |
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[d7aab4b] | 74 | write (*,*) 'The OH field at: '//thefile// ' could not be opened' |
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| 75 | write (*,*) 'please copy the OH fields there, or change the path in the' |
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| 76 | write (*,*) 'COMMAND namelist!' |
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[8a65cb0] | 77 | write(*,*) nf_strerror(ierr) |
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| 78 | stop |
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| 79 | endif |
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| 80 | |
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| 81 | ! inquire about variables |
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| 82 | ierr=nf_inq_dimid(nid,'Lon-000',xid) |
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| 83 | if(ierr.ne.0) then |
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| 84 | write(*,*) nf_strerror(ierr) |
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| 85 | stop |
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| 86 | endif |
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| 87 | ierr=nf_inq_dimid(nid,'Lat-000',yid) |
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| 88 | if(ierr.ne.0) then |
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| 89 | write(*,*) nf_strerror(ierr) |
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| 90 | stop |
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| 91 | endif |
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| 92 | ierr=nf_inq_dimid(nid,'Alt-000',zid) |
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| 93 | if(ierr.ne.0) then |
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| 94 | write(*,*) nf_strerror(ierr) |
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| 95 | stop |
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| 96 | endif |
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| 97 | |
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| 98 | if(m.eq.1) then |
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| 99 | |
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| 100 | ! read dimension sizes |
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| 101 | ierr=nf_inq_dimlen(nid,xid,nxOH) |
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| 102 | if(ierr.ne.0) then |
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| 103 | write(*,*) nf_strerror(ierr) |
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| 104 | stop |
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| 105 | endif |
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| 106 | ierr=nf_inq_dimlen(nid,yid,nyOH) |
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| 107 | if(ierr.ne.0) then |
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| 108 | write(*,*) nf_strerror(ierr) |
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| 109 | stop |
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| 110 | endif |
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| 111 | ierr=nf_inq_dimlen(nid,zid,nzOH) |
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| 112 | if(ierr.ne.0) then |
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| 113 | write(*,*) nf_strerror(ierr) |
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| 114 | stop |
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| 115 | endif |
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| 116 | |
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| 117 | ! allocate variables |
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| 118 | allocate(lonOH(nxOH)) |
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| 119 | allocate(latOH(nyOH)) |
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| 120 | allocate(etaOH(nzOH)) |
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| 121 | allocate(altOH(nzOH)) |
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| 122 | allocate(OH_field(nxOH,nyOH,nzOH,12)) |
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| 123 | allocate(OH_hourly(nxOH,nyOH,nzOH,2)) |
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| 124 | |
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| 125 | ! read dimension variables |
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| 126 | ierr=nf_inq_varid(nid,'LON',xid) |
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| 127 | ierr=nf_get_var_real(nid,xid,lonOH) |
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| 128 | if(ierr.ne.0) then |
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| 129 | write(*,*) nf_strerror(ierr) |
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| 130 | stop |
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| 131 | endif |
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| 132 | ierr=nf_inq_varid(nid,'LAT',yid) |
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| 133 | ierr=nf_get_var_real(nid,yid,latOH) |
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| 134 | if(ierr.ne.0) then |
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| 135 | write(*,*) nf_strerror(ierr) |
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| 136 | stop |
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| 137 | endif |
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| 138 | ierr=nf_inq_varid(nid,'ETAC',zid) |
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| 139 | ierr=nf_get_var_real(nid,zid,etaOH) |
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| 140 | if(ierr.ne.0) then |
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| 141 | write(*,*) nf_strerror(ierr) |
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| 142 | stop |
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| 143 | endif |
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| 144 | |
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| 145 | ! convert eta-level to altitude (assume surface pressure of 1010 hPa) |
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| 146 | altOH=log(1010./(etaOH*1010.))*scalehgt |
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[e200b7a] | 147 | |
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[8a65cb0] | 148 | endif ! m.eq.1 |
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| 149 | |
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| 150 | ! read OH_field |
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| 151 | ierr=nf_inq_varid(nid,'CHEM-L_S__OH',vid) |
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| 152 | ierr=nf_get_var_real(nid,vid,OH_field(:,:,:,m)) |
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| 153 | if(ierr.ne.0) then |
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| 154 | write(*,*) nf_strerror(ierr) |
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| 155 | stop |
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| 156 | endif |
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| 157 | |
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| 158 | ierr=nf_close(nid) |
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| 159 | |
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| 160 | end do |
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| 161 | |
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| 162 | deallocate(etaOH) |
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| 163 | |
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| 164 | ! Read J(O1D) photolysis rates |
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| 165 | !******************************** |
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| 166 | |
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| 167 | ! open netcdf file |
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[78e62dc] | 168 | ! thefile=trim(path(1))//'OH_FIELDS/jrate_average.nc' |
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| 169 | thefile=trim(ohfields_path)//'OH_FIELDS/jrate_average.nc' |
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[8a65cb0] | 170 | ierr=nf_open(trim(thefile),NF_NOWRITE,nid) |
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| 171 | if(ierr.ne.0) then |
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| 172 | write(*,*) nf_strerror(ierr) |
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| 173 | stop |
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| 174 | endif |
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| 175 | |
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| 176 | ! read dimension variables |
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| 177 | ierr=nf_inq_varid(nid,'longitude',xid) |
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| 178 | ierr=nf_get_var_real(nid,xid,lonjr) |
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| 179 | if(ierr.ne.0) then |
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| 180 | write(*,*) nf_strerror(ierr) |
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| 181 | stop |
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| 182 | endif |
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| 183 | ierr=nf_inq_varid(nid,'latitude',yid) |
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| 184 | ierr=nf_get_var_real(nid,yid,latjr) |
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| 185 | if(ierr.ne.0) then |
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| 186 | write(*,*) nf_strerror(ierr) |
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| 187 | stop |
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| 188 | endif |
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| 189 | |
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| 190 | ! read jrate_average |
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| 191 | ierr=nf_inq_varid(nid,'jrate',vid) |
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| 192 | ierr=nf_get_var_real(nid,vid,jrate_average) |
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| 193 | if(ierr.ne.0) then |
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| 194 | write(*,*) nf_strerror(ierr) |
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| 195 | stop |
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| 196 | endif |
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| 197 | |
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| 198 | ierr=nf_close(nid) |
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| 199 | |
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| 200 | return |
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[e200b7a] | 201 | |
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[8a65cb0] | 202 | end subroutine readOHfield |
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[e200b7a] | 203 | |
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