[496c607] | 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 readwind_gfs(indj,n,uuh,vvh,wwh) |
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| 23 | |
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| 24 | !*********************************************************************** |
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| 25 | !* * |
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| 26 | !* TRAJECTORY MODEL SUBROUTINE READWIND * |
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| 27 | !* * |
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| 28 | !*********************************************************************** |
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| 29 | !* * |
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| 30 | !* AUTHOR: G. WOTAWA * |
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| 31 | !* DATE: 1997-08-05 * |
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| 32 | !* LAST UPDATE: 2000-10-17, Andreas Stohl * |
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| 33 | !* CHANGE: 01/02/2001, Bernd C. Krueger, Variables tth and * |
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| 34 | !* qvh (on eta coordinates) in common block * |
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| 35 | !* CHANGE: 16/11/2005, Caroline Forster, GFS data * |
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| 36 | !* CHANGE: 11/01/2008, Harald Sodemann, Input of GRIB1/2 * |
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| 37 | !* data with the ECMWF grib_api library * |
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| 38 | !* CHANGE: 03/12/2008, Harald Sodemann, update to f90 with * |
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| 39 | !* ECMWF grib_api * |
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| 40 | !* * |
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| 41 | !*********************************************************************** |
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| 42 | !* * |
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| 43 | !* DESCRIPTION: * |
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| 44 | !* * |
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| 45 | !* READING OF ECMWF METEOROLOGICAL FIELDS FROM INPUT DATA FILES. THE * |
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| 46 | !* INPUT DATA FILES ARE EXPECTED TO BE AVAILABLE IN GRIB CODE * |
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| 47 | !* * |
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| 48 | !*********************************************************************** |
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| 49 | ! Changes Arnold, D. and Morton, D. (2015): * |
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| 50 | ! -- description of local and common variables * |
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| 51 | !*********************************************************************** |
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| 52 | |
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| 53 | use grib_api |
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| 54 | use par_mod |
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| 55 | use com_mod |
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| 56 | use class_vtable |
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| 57 | |
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| 58 | implicit none |
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| 59 | |
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| 60 | !*********************************************************************** |
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| 61 | ! Subroutine Parameters: * |
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| 62 | ! input * |
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| 63 | ! indj indicates number of the wind field to be read in * |
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| 64 | ! n temporal index for meteorological fields (1 to 3)* |
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| 65 | ! uuh,vvh, wwh wind components in ECMWF model levels * |
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| 66 | integer :: indj,n |
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| 67 | real(kind=4) :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 68 | real(kind=4) :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 69 | real(kind=4) :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
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| 70 | !*********************************************************************** |
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| 71 | |
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| 72 | !*********************************************************************** |
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| 73 | ! Local variables: * |
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| 74 | ! * |
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| 75 | ! HSO variables for grib_api: * |
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| 76 | ! ifile grib file to be opened and read in * |
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| 77 | ! iret is a return code for successful or not open * |
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| 78 | ! igrib grib edition number (whether GRIB1 or GRIB2) * |
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| 79 | ! gribVer where info on igrib is kept, 1 for GRIB1 and * |
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| 80 | ! 2 for GRIB2 * |
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| 81 | ! parCat parameter category ( = number) , how FLEXPART * |
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| 82 | ! identifies fields * |
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| 83 | ! parNum parameter number by product discipline and * |
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| 84 | ! parameter category * |
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| 85 | ! typSurf type of first fixed surface * |
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| 86 | ! valSurf level * |
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| 87 | ! discipl discipline of processed data contained in a * |
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| 88 | ! GRIB message * |
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| 89 | integer :: ifile |
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| 90 | integer :: iret |
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| 91 | integer :: igrib |
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| 92 | integer :: gribVer,parCat,parNum,typSurf,valSurf,discipl |
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| 93 | ! * |
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| 94 | ! NCEP specific variables: * |
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| 95 | ! numpt number of pressure levels for temperature * |
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| 96 | ! numpu number of pressure levels for U velocity * |
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| 97 | ! numpv number of pressure levels for V velocity * |
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| 98 | ! numpw number of pressure levels for W velocity * |
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| 99 | ! numprh number of pressure levels for relative humidity * |
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| 100 | ! help temporary variable to store fields * |
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| 101 | ! temp temporary variable to store tth and tt2 variables* |
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| 102 | ! ew function to calculate Goff-Gratch formula, * |
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| 103 | ! the saturation water vapor pressure * |
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| 104 | ! elev elevation in meters * |
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| 105 | ! ulev1 U velocity at the lowest sigma level * |
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| 106 | ! vlev1 V velocity at the lowest sigma level * |
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| 107 | ! tlev1 temperature at the lowest sigma level * |
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| 108 | ! qvh2 2m dew point temperature * |
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| 109 | ! i179 number of pints in x * |
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| 110 | ! i180 i179 +1, x direction +1 * |
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| 111 | ! i181 i180 +1 * |
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| 112 | integer :: numpt,numpu,numpv,numpw,numprh |
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| 113 | real :: help, temp, ew |
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| 114 | real :: elev |
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| 115 | real :: ulev1(0:nxmax-1,0:nymax-1),vlev1(0:nxmax-1,0:nymax-1) |
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| 116 | real :: tlev1(0:nxmax-1,0:nymax-1) |
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| 117 | real :: qvh2(0:nxmax-1,0:nymax-1) |
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| 118 | integer :: i179,i180,i181 |
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| 119 | |
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| 120 | |
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| 121 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 122 | !!!! Vtable related variables |
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| 123 | |
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| 124 | ! Paths to Vtables (current implementation will assume they are in the cwd |
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| 125 | ! This is a crappy place for these parameters. Need to move them. |
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| 126 | character(LEN=255), parameter :: VTABLE_NCEP_GRIB1_PATH = & |
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| 127 | "Vtable_ncep_grib1", & |
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| 128 | VTABLE_NCEP_GRIB2_PATH = & |
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| 129 | "Vtable_ncep_grib2" |
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| 130 | |
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| 131 | |
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| 132 | |
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| 133 | integer :: gribfile_type |
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| 134 | integer :: current_grib_level ! This "was" isec1(8) in previous version |
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| 135 | character(len=255) :: gribfile_name |
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| 136 | character(len=255) :: vtable_path |
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| 137 | character(len=15) :: fpname |
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| 138 | |
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| 139 | type(Vtable) :: my_vtable ! unallocated |
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| 140 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 141 | |
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| 142 | |
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| 143 | |
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| 144 | |
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| 145 | |
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| 146 | |
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| 147 | |
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| 148 | |
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| 149 | |
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| 150 | ! * |
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| 151 | ! VARIABLES AND ARRAYS NEEDED FOR GRIB DECODING * |
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| 152 | !HSO kept isec1, isec2 and zsec4 for consistency with gribex GRIB input* |
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| 153 | ! |
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| 154 | integer :: isec2(3) |
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| 155 | real(kind=4) :: zsec4(jpunp) |
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| 156 | real(kind=4) :: xaux,yaux,xaux0,yaux0 |
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| 157 | real(kind=8) :: xauxin,yauxin |
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| 158 | real(kind=4) :: ewss(0:nxmax-1,0:nymax-1),nsss(0:nxmax-1,0:nymax-1) |
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| 159 | real :: plev1,hlev1,ff10m,fflev1 |
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| 160 | logical :: hflswitch,strswitch |
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| 161 | ! * |
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| 162 | ! Other variables: * |
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| 163 | ! i,j,k loop control indices in each direction * |
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| 164 | ! levdiff2 number of model levels - number of model levels * |
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| 165 | ! for the staggered vertical wind +1 * |
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| 166 | ! ifield index to control field read in * |
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| 167 | ! iumax * |
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| 168 | ! iwmax * |
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| 169 | integer :: ii,i,j,k,levdiff2,ifield,iumax,iwmax |
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| 170 | !*********************************************************************** |
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| 171 | |
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| 172 | !*********************************************************************** |
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| 173 | ! Local constants * |
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| 174 | real,parameter :: eps=1.e-4 |
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| 175 | !HSO grib api error messages: |
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| 176 | character(len=24) :: gribErrorMsg = 'Error reading grib file' |
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| 177 | character(len=20) :: gribFunction = 'readwind_gfs' |
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| 178 | !*********************************************************************** |
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| 179 | |
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| 180 | !*********************************************************************** |
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| 181 | ! Global variables * |
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| 182 | ! from par_mod and com_mod * |
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| 183 | ! wfname File name of data to be read in * |
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| 184 | ! nx,ny,nuvz,nwz expected field dimensions * |
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| 185 | ! nxfield same as nx but for limited area fields * |
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| 186 | ! nxmin1,nymin1 nx-1, ny-1, respectively * |
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| 187 | ! nxmax,nymax maximum dimension of wind fields in x and y * |
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| 188 | ! direction, respectively * |
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| 189 | ! nuvzmax,nwzmax maximum dimension of (u,v) and (w) wind fields in z |
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| 190 | ! direction (for fields on eta levels) * |
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| 191 | ! nlev_ec number of vertical levels ecmwf model * |
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| 192 | ! u10,v10 wind fields at 10 m * |
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| 193 | ! tt2,td2 temperature and dew point temperature at 2 m * |
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| 194 | ! tth,qvh temperature and specific humidity on original * |
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| 195 | ! eta levels * |
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| 196 | ! ps surface pressure * |
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| 197 | ! sd snow depth (but not used afterwards!) * |
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| 198 | ! msl mean sea level pressure * |
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| 199 | ! ttc total cloud cover * |
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| 200 | ! lsprec large scale precipitation * |
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| 201 | ! convprec convective precipitation * |
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| 202 | ! sshf sensible heat flux * |
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| 203 | ! ssr solar radiation * |
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| 204 | ! surfstr surface stress * |
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| 205 | ! oro orography * |
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| 206 | ! excessoro standard deviation of orography * |
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| 207 | ! lsm land sea mask * |
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| 208 | ! hmix mixing height * |
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| 209 | !*********************************************************************** |
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| 210 | |
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| 211 | !----------------------------------------------------------------------------- |
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| 212 | |
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| 213 | |
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| 214 | |
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| 215 | |
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| 216 | |
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| 217 | |
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| 218 | |
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| 219 | |
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| 220 | hflswitch=.false. |
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| 221 | strswitch=.false. |
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| 222 | levdiff2=nlev_ec-nwz+1 |
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| 223 | iumax=0 |
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| 224 | iwmax=0 |
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| 225 | |
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| 226 | |
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| 227 | |
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| 228 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 229 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 230 | !!!!!!! Vtable choice |
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| 231 | gribfile_name = path(3)(1:length(3))//trim(wfname(indj)) |
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| 232 | print *, 'gribfile_name: ', gribfile_name |
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| 233 | |
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| 234 | gribfile_type = vtable_detect_gribfile_type( gribfile_name ) |
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| 235 | |
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| 236 | print *, 'gribfile_type: ', gribfile_type |
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| 237 | |
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| 238 | if (gribfile_type .eq. VTABLE_GRIBFILE_TYPE_NCEP_GRIB1) then |
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| 239 | vtable_path = VTABLE_NCEP_GRIB1_PATH |
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| 240 | else if (gribfile_type .eq. VTABLE_GRIBFILE_TYPE_NCEP_GRIB2) then |
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| 241 | vtable_path = VTABLE_NCEP_GRIB2_PATH |
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| 242 | else |
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| 243 | print *, 'Unsupported gribfile_type: ', gribfile_type |
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| 244 | stop |
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| 245 | endif |
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| 246 | |
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| 247 | |
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| 248 | ! Load the Vtable into 'my_vtable' |
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| 249 | print *, 'Loading Vtable: ', vtable_path |
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| 250 | call vtable_load_by_name(vtable_path, my_vtable) |
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| 251 | print *, 'Vtable Initialized: ', my_vtable%initialized |
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| 252 | print *, 'Vtable num_entries: ', my_vtable%num_entries |
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| 253 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 254 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 255 | |
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| 256 | |
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| 257 | |
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| 258 | ! OPENING OF DATA FILE (GRIB CODE) |
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| 259 | |
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| 260 | !HSO |
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| 261 | 5 call grib_open_file(ifile,path(3)(1:length(3)) & |
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| 262 | //trim(wfname(indj)),'r',iret) |
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| 263 | if (iret.ne.GRIB_SUCCESS) then |
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| 264 | goto 888 ! ERROR DETECTED |
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| 265 | endif |
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| 266 | !turn on support for multi fields messages |
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| 267 | call grib_multi_support_on |
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| 268 | |
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| 269 | numpt=0 |
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| 270 | numpu=0 |
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| 271 | numpv=0 |
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| 272 | numpw=0 |
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| 273 | numprh=0 |
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| 274 | ifield=0 |
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| 275 | 10 ifield=ifield+1 |
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| 276 | ! |
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| 277 | ! GET NEXT FIELDS |
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| 278 | ! |
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| 279 | call grib_new_from_file(ifile,igrib,iret) |
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| 280 | if (iret.eq.GRIB_END_OF_FILE) then |
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| 281 | goto 50 ! EOF DETECTED |
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| 282 | elseif (iret.ne.GRIB_SUCCESS) then |
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| 283 | goto 888 ! ERROR DETECTED |
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| 284 | endif |
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| 285 | |
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| 286 | |
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| 287 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 288 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 289 | ! Get the fpname |
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| 290 | fpname = vtable_get_fpname(igrib, my_vtable) |
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| 291 | !print *, 'fpname: ', trim(fpname) |
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| 292 | |
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| 293 | |
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| 294 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 295 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 296 | |
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| 297 | |
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| 298 | |
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| 299 | !first see if we read GRIB1 or GRIB2 |
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| 300 | call grib_get_int(igrib,'editionNumber',gribVer,iret) |
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| 301 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 302 | |
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| 303 | if (gribVer.eq.1) then ! GRIB Edition 1 |
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| 304 | |
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| 305 | call grib_get_int(igrib,'level', current_grib_level, iret) |
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| 306 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 307 | |
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| 308 | !!! Added by DJM 2016-03-02 - if this is GRIB1 we assume that |
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| 309 | !!! level units are hPa and need to be multiplied by 100 for Pa |
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| 310 | current_grib_level = current_grib_level*100.0 |
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| 311 | |
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| 312 | else ! GRIB Edition 2 |
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| 313 | |
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| 314 | call grib_get_int(igrib, 'scaledValueOfFirstFixedSurface', & |
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| 315 | current_grib_level, iret) |
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| 316 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 317 | |
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| 318 | endif ! gribVer |
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| 319 | |
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| 320 | if (trim(fpname) .ne. 'None') then |
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| 321 | ! get the size and data of the values array |
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| 322 | call grib_get_real4_array(igrib,'values',zsec4,iret) |
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| 323 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 324 | endif |
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| 325 | |
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| 326 | if(ifield.eq.1) then |
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| 327 | |
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| 328 | !get the required fields from section 2 |
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| 329 | !store compatible to gribex input |
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| 330 | call grib_get_int(igrib,'numberOfPointsAlongAParallel', & |
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| 331 | isec2(2),iret) |
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| 332 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 333 | call grib_get_int(igrib,'numberOfPointsAlongAMeridian', & |
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| 334 | isec2(3),iret) |
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| 335 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 336 | call grib_get_real8(igrib,'longitudeOfFirstGridPointInDegrees', & |
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| 337 | xauxin,iret) |
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| 338 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 339 | call grib_get_real8(igrib,'latitudeOfLastGridPointInDegrees', & |
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| 340 | yauxin,iret) |
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| 341 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 342 | xaux=xauxin+real(nxshift)*dx |
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| 343 | !print *, 'xauxin: ', xauxin |
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| 344 | !print *, 'nxshift: ', nxshift |
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| 345 | !print *, 'dx: ', dx |
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| 346 | !print *, 'xlon0: ', xlon0 |
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| 347 | yaux=yauxin |
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| 348 | |
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| 349 | ! CHECK GRID SPECIFICATIONS |
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| 350 | |
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| 351 | if(isec2(2).ne.nxfield) stop 'READWIND: NX NOT CONSISTENT' |
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| 352 | if(isec2(3).ne.ny) stop 'READWIND: NY NOT CONSISTENT' |
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| 353 | |
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| 354 | if(xaux.eq.0.) xaux=-179.0 ! NCEP GRIB DATA |
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| 355 | xaux0=xlon0 |
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| 356 | yaux0=ylat0 |
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| 357 | if(xaux.lt.0.) xaux=xaux+360. |
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| 358 | if(yaux.lt.0.) yaux=yaux+360. |
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| 359 | if(xaux0.lt.0.) xaux0=xaux0+360. |
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| 360 | if(yaux0.lt.0.) yaux0=yaux0+360. |
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| 361 | if(abs(xaux-xaux0).gt.eps) & |
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| 362 | stop 'READWIND: LOWER LEFT LONGITUDE NOT CONSISTENT' |
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| 363 | if(abs(yaux-yaux0).gt.eps) & |
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| 364 | stop 'READWIND: LOWER LEFT LATITUDE NOT CONSISTENT' |
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| 365 | endif |
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| 366 | !HSO end of edits |
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| 367 | |
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| 368 | i179=nint(179./dx) |
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| 369 | if (dx.lt.0.7) then |
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| 370 | i180=nint(180./dx)+1 ! 0.5 deg data |
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| 371 | else |
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| 372 | i180=nint(179./dx)+1 ! 1 deg data |
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| 373 | endif |
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| 374 | i181=i180+1 |
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| 375 | |
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| 376 | !!!! if (trim(fpname) .ne. 'None') then |
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| 377 | |
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| 378 | |
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| 379 | ! TEMPERATURE |
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| 380 | if( trim(fpname) .eq. 'TT' ) then |
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| 381 | do j=0,nymin1 |
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| 382 | do i=0,nxfield-1 |
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| 383 | if((i.eq.0).and.(j.eq.0)) then |
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| 384 | do ii=1,nuvz |
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| 385 | if (current_grib_level .eq. akz(ii)) numpt=ii |
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| 386 | end do |
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| 387 | endif |
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| 388 | help=zsec4(nxfield*(ny-j-1)+i+1) |
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| 389 | if(i.le.i180) then |
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| 390 | tth(i179+i,j,numpt,n)=help |
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| 391 | else |
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| 392 | tth(i-i181,j,numpt,n)=help |
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| 393 | endif |
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| 394 | end do |
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| 395 | end do |
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| 396 | endif |
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| 397 | |
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| 398 | |
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| 399 | ! U VELOCITY |
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| 400 | if( trim(fpname) .eq. 'UU' ) then |
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| 401 | do j=0,nymin1 |
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| 402 | do i=0,nxfield-1 |
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| 403 | if((i.eq.0).and.(j.eq.0)) then |
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| 404 | do ii=1,nuvz |
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| 405 | if (current_grib_level .eq. akz(ii)) numpu=ii |
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| 406 | end do |
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| 407 | endif |
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| 408 | help=zsec4(nxfield*(ny-j-1)+i+1) |
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| 409 | if(i.le.i180) then |
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| 410 | uuh(i179+i,j,numpu)=help |
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| 411 | else |
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| 412 | uuh(i-i181,j,numpu)=help |
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| 413 | endif |
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| 414 | end do |
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| 415 | end do |
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| 416 | endif |
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| 417 | |
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| 418 | ! V VELOCITY |
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| 419 | if( trim(fpname) .eq. 'VV' ) then |
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| 420 | do j=0,nymin1 |
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| 421 | do i=0,nxfield-1 |
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| 422 | if((i.eq.0).and.(j.eq.0)) then |
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| 423 | do ii=1,nuvz |
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| 424 | if (current_grib_level .eq. akz(ii)) numpv=ii |
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| 425 | end do |
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| 426 | endif |
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| 427 | help=zsec4(nxfield*(ny-j-1)+i+1) |
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| 428 | if(i.le.i180) then |
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| 429 | vvh(i179+i,j,numpv)=help |
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| 430 | else |
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| 431 | vvh(i-i181,j,numpv)=help |
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| 432 | endif |
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| 433 | end do |
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| 434 | end do |
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| 435 | endif |
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| 436 | |
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| 437 | |
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| 438 | ! W VELOCITY |
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| 439 | if( trim(fpname) .eq. 'WW' ) then |
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| 440 | do j=0,nymin1 |
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| 441 | do i=0,nxfield-1 |
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| 442 | if((i.eq.0).and.(j.eq.0)) then |
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| 443 | do ii=1,nuvz |
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| 444 | if (current_grib_level .eq. akz(ii)) numpw=ii |
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| 445 | end do |
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| 446 | endif |
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| 447 | help=zsec4(nxfield*(ny-j-1)+i+1) |
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| 448 | if(i.le.i180) then |
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| 449 | wwh(i179+i,j,numpw)=help |
---|
| 450 | else |
---|
| 451 | wwh(i-i181,j,numpw)=help |
---|
| 452 | endif |
---|
| 453 | end do |
---|
| 454 | end do |
---|
| 455 | endif |
---|
| 456 | |
---|
| 457 | |
---|
| 458 | ! RELATIVE HUMIDITY -> CONVERT TO SPECIFIC HUMIDITY LATER |
---|
| 459 | if( trim(fpname) .eq. 'RH' ) then |
---|
| 460 | do j=0,nymin1 |
---|
| 461 | do i=0,nxfield-1 |
---|
| 462 | if((i.eq.0).and.(j.eq.0)) then |
---|
| 463 | do ii=1,nuvz |
---|
| 464 | if (current_grib_level .eq. akz(ii)) numprh=ii |
---|
| 465 | end do |
---|
| 466 | endif |
---|
| 467 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 468 | if(i.le.i180) then |
---|
| 469 | qvh(i179+i,j,numprh,n)=help |
---|
| 470 | else |
---|
| 471 | qvh(i-i181,j,numprh,n)=help |
---|
| 472 | endif |
---|
| 473 | end do |
---|
| 474 | end do |
---|
| 475 | endif |
---|
| 476 | |
---|
| 477 | |
---|
| 478 | ! SURFACE PRESSURE |
---|
| 479 | if( trim(fpname) .eq. 'PS' ) then |
---|
| 480 | do j=0,nymin1 |
---|
| 481 | do i=0,nxfield-1 |
---|
| 482 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 483 | if(i.le.i180) then |
---|
| 484 | ps(i179+i,j,1,n)=help |
---|
| 485 | else |
---|
| 486 | ps(i-i181,j,1,n)=help |
---|
| 487 | endif |
---|
| 488 | end do |
---|
| 489 | end do |
---|
| 490 | endif |
---|
| 491 | |
---|
| 492 | |
---|
| 493 | ! SNOW DEPTH |
---|
| 494 | if( trim(fpname) .eq. 'SD' ) then |
---|
| 495 | do j=0,nymin1 |
---|
| 496 | do i=0,nxfield-1 |
---|
| 497 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 498 | if(i.le.i180) then |
---|
| 499 | sd(i179+i,j,1,n)=help |
---|
| 500 | else |
---|
| 501 | sd(i-i181,j,1,n)=help |
---|
| 502 | endif |
---|
| 503 | end do |
---|
| 504 | end do |
---|
| 505 | endif |
---|
| 506 | |
---|
| 507 | |
---|
| 508 | ! MEAN SEA LEVEL PRESSURE |
---|
| 509 | if( trim(fpname) .eq. 'SLP' ) then |
---|
| 510 | do j=0,nymin1 |
---|
| 511 | do i=0,nxfield-1 |
---|
| 512 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 513 | if(i.le.i180) then |
---|
| 514 | msl(i179+i,j,1,n)=help |
---|
| 515 | else |
---|
| 516 | msl(i-i181,j,1,n)=help |
---|
| 517 | endif |
---|
| 518 | end do |
---|
| 519 | end do |
---|
| 520 | endif |
---|
| 521 | |
---|
| 522 | |
---|
| 523 | ! TOTAL CLOUD COVER |
---|
| 524 | if( trim(fpname) .eq. 'TCC' ) then |
---|
| 525 | do j=0,nymin1 |
---|
| 526 | do i=0,nxfield-1 |
---|
| 527 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 528 | if(i.le.i180) then |
---|
| 529 | tcc(i179+i,j,1,n)=help |
---|
| 530 | else |
---|
| 531 | tcc(i-i181,j,1,n)=help |
---|
| 532 | endif |
---|
| 533 | end do |
---|
| 534 | end do |
---|
| 535 | endif |
---|
| 536 | |
---|
| 537 | ! 10 M U VELOCITY |
---|
| 538 | if( trim(fpname) .eq. 'U10' ) then |
---|
| 539 | do j=0,nymin1 |
---|
| 540 | do i=0,nxfield-1 |
---|
| 541 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 542 | if(i.le.i180) then |
---|
| 543 | u10(i179+i,j,1,n)=help |
---|
| 544 | else |
---|
| 545 | u10(i-i181,j,1,n)=help |
---|
| 546 | endif |
---|
| 547 | end do |
---|
| 548 | end do |
---|
| 549 | endif |
---|
| 550 | |
---|
| 551 | ! 10 M V VELOCITY |
---|
| 552 | if( trim(fpname) .eq. 'V10' ) then |
---|
| 553 | do j=0,nymin1 |
---|
| 554 | do i=0,nxfield-1 |
---|
| 555 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 556 | if(i.le.i180) then |
---|
| 557 | v10(i179+i,j,1,n)=help |
---|
| 558 | else |
---|
| 559 | v10(i-i181,j,1,n)=help |
---|
| 560 | endif |
---|
| 561 | end do |
---|
| 562 | end do |
---|
| 563 | endif |
---|
| 564 | |
---|
| 565 | |
---|
| 566 | ! 2 M TEMPERATURE |
---|
| 567 | if( trim(fpname) .eq. 'T2' ) then |
---|
| 568 | do j=0,nymin1 |
---|
| 569 | do i=0,nxfield-1 |
---|
| 570 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 571 | if(i.le.i180) then |
---|
| 572 | tt2(i179+i,j,1,n)=help |
---|
| 573 | else |
---|
| 574 | tt2(i-i181,j,1,n)=help |
---|
| 575 | endif |
---|
| 576 | end do |
---|
| 577 | end do |
---|
| 578 | endif |
---|
| 579 | |
---|
| 580 | ! 2 M DEW POINT TEMPERATURE |
---|
| 581 | if( trim(fpname) .eq. 'TD2' ) then |
---|
| 582 | do j=0,nymin1 |
---|
| 583 | do i=0,nxfield-1 |
---|
| 584 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 585 | if(i.le.i180) then |
---|
| 586 | td2(i179+i,j,1,n)=help |
---|
| 587 | else |
---|
| 588 | td2(i-i181,j,1,n)=help |
---|
| 589 | endif |
---|
| 590 | end do |
---|
| 591 | end do |
---|
| 592 | endif |
---|
| 593 | |
---|
| 594 | |
---|
| 595 | ! LARGE SCALE PREC. |
---|
| 596 | if( trim(fpname) .eq. 'LSPREC' ) then |
---|
| 597 | do j=0,nymin1 |
---|
| 598 | do i=0,nxfield-1 |
---|
| 599 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 600 | if(i.le.i180) then |
---|
| 601 | lsprec(i179+i,j,1,n)=help |
---|
| 602 | else |
---|
| 603 | lsprec(i-i181,j,1,n)=help |
---|
| 604 | endif |
---|
| 605 | end do |
---|
| 606 | end do |
---|
| 607 | endif |
---|
| 608 | |
---|
| 609 | |
---|
| 610 | ! CONVECTIVE PREC. |
---|
| 611 | if( trim(fpname) .eq. 'CONVPREC' ) then |
---|
| 612 | do j=0,nymin1 |
---|
| 613 | do i=0,nxfield-1 |
---|
| 614 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 615 | if(i.le.i180) then |
---|
| 616 | convprec(i179+i,j,1,n)=help |
---|
| 617 | else |
---|
| 618 | convprec(i-i181,j,1,n)=help |
---|
| 619 | endif |
---|
| 620 | end do |
---|
| 621 | end do |
---|
| 622 | endif |
---|
| 623 | |
---|
| 624 | |
---|
| 625 | ! TOPOGRAPHY |
---|
| 626 | if( trim(fpname) .eq. 'ORO' ) then |
---|
| 627 | do j=0,nymin1 |
---|
| 628 | do i=0,nxfield-1 |
---|
| 629 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 630 | if(i.le.i180) then |
---|
| 631 | oro(i179+i,j)=help |
---|
| 632 | excessoro(i179+i,j)=0.0 ! ISOBARIC SURFACES: SUBGRID |
---|
| 633 | ! TERRAIN DISREGARDED |
---|
| 634 | else |
---|
| 635 | oro(i-i181,j)=help |
---|
| 636 | excessoro(i-i181,j)=0.0 ! ISOBARIC SURFACES: SUBGRID |
---|
| 637 | ! TERRAIN DISREGARDED |
---|
| 638 | endif |
---|
| 639 | end do |
---|
| 640 | end do |
---|
| 641 | endif |
---|
| 642 | |
---|
| 643 | ! LAND SEA MASK |
---|
| 644 | if( trim(fpname) .eq. 'LSM' ) then |
---|
| 645 | do j=0,nymin1 |
---|
| 646 | do i=0,nxfield-1 |
---|
| 647 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 648 | if(i.le.i180) then |
---|
| 649 | lsm(i179+i,j)=help |
---|
| 650 | else |
---|
| 651 | lsm(i-i181,j)=help |
---|
| 652 | endif |
---|
| 653 | end do |
---|
| 654 | end do |
---|
| 655 | endif |
---|
| 656 | |
---|
| 657 | |
---|
| 658 | ! MIXING HEIGHT |
---|
| 659 | if( trim(fpname) .eq. 'HMIX' ) then |
---|
| 660 | do j=0,nymin1 |
---|
| 661 | do i=0,nxfield-1 |
---|
| 662 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 663 | if(i.le.i180) then |
---|
| 664 | hmix(i179+i,j,1,n)=help |
---|
| 665 | else |
---|
| 666 | hmix(i-i181,j,1,n)=help |
---|
| 667 | endif |
---|
| 668 | end do |
---|
| 669 | end do |
---|
| 670 | endif |
---|
| 671 | |
---|
| 672 | |
---|
| 673 | ! 2 M RELATIVE HUMIDITY |
---|
| 674 | if( trim(fpname) .eq. 'RH2' ) then |
---|
| 675 | do j=0,nymin1 |
---|
| 676 | do i=0,nxfield-1 |
---|
| 677 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 678 | if(i.le.i180) then |
---|
| 679 | qvh2(i179+i,j)=help |
---|
| 680 | else |
---|
| 681 | qvh2(i-i181,j)=help |
---|
| 682 | endif |
---|
| 683 | end do |
---|
| 684 | end do |
---|
| 685 | endif |
---|
| 686 | |
---|
| 687 | |
---|
| 688 | ! TEMPERATURE LOWEST SIGMA LEVEL |
---|
| 689 | if( trim(fpname) .eq. 'TSIG1' ) then |
---|
| 690 | do j=0,nymin1 |
---|
| 691 | do i=0,nxfield-1 |
---|
| 692 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 693 | if(i.le.i180) then |
---|
| 694 | tlev1(i179+i,j)=help |
---|
| 695 | else |
---|
| 696 | tlev1(i-i181,j)=help |
---|
| 697 | endif |
---|
| 698 | end do |
---|
| 699 | end do |
---|
| 700 | endif |
---|
| 701 | |
---|
| 702 | |
---|
| 703 | ! U VELOCITY LOWEST SIGMA LEVEL |
---|
| 704 | if( trim(fpname) .eq. 'USIG1' ) then |
---|
| 705 | do j=0,nymin1 |
---|
| 706 | do i=0,nxfield-1 |
---|
| 707 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 708 | if(i.le.i180) then |
---|
| 709 | ulev1(i179+i,j)=help |
---|
| 710 | else |
---|
| 711 | ulev1(i-i181,j)=help |
---|
| 712 | endif |
---|
| 713 | end do |
---|
| 714 | end do |
---|
| 715 | endif |
---|
| 716 | |
---|
| 717 | ! V VELOCITY LOWEST SIGMA LEVEL |
---|
| 718 | if( trim(fpname) .eq. 'VSIG1' ) then |
---|
| 719 | do j=0,nymin1 |
---|
| 720 | do i=0,nxfield-1 |
---|
| 721 | help=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 722 | if(i.le.i180) then |
---|
| 723 | vlev1(i179+i,j)=help |
---|
| 724 | else |
---|
| 725 | vlev1(i-i181,j)=help |
---|
| 726 | endif |
---|
| 727 | end do |
---|
| 728 | end do |
---|
| 729 | endif |
---|
| 730 | |
---|
| 731 | |
---|
| 732 | |
---|
| 733 | |
---|
| 734 | |
---|
| 735 | !!!! endif |
---|
| 736 | |
---|
| 737 | if( trim(fpname) .eq. 'UU') then |
---|
| 738 | ! NCEP ISOBARIC LEVELS - this counts the number of pressure levels |
---|
| 739 | ! by counting the number of occurrences of UU, which us u-wind on pressure levels |
---|
| 740 | iumax=iumax+1 |
---|
| 741 | endif |
---|
| 742 | |
---|
| 743 | call grib_release(igrib) |
---|
| 744 | goto 10 !! READ NEXT LEVEL OR PARAMETER |
---|
| 745 | ! |
---|
| 746 | ! CLOSING OF INPUT DATA FILE |
---|
| 747 | ! |
---|
| 748 | |
---|
| 749 | !HSO close grib file |
---|
| 750 | 50 continue |
---|
| 751 | call grib_close_file(ifile) |
---|
| 752 | |
---|
| 753 | ! SENS. HEAT FLUX |
---|
| 754 | sshf(:,:,1,n)=0.0 ! not available from gfs.tccz.pgrbfxx files |
---|
| 755 | hflswitch=.false. ! Heat flux not available |
---|
| 756 | ! SOLAR RADIATIVE FLUXES |
---|
| 757 | ssr(:,:,1,n)=0.0 ! not available from gfs.tccz.pgrbfxx files |
---|
| 758 | ! EW SURFACE STRESS |
---|
| 759 | ewss=0.0 ! not available from gfs.tccz.pgrbfxx files |
---|
| 760 | ! NS SURFACE STRESS |
---|
| 761 | nsss=0.0 ! not available from gfs.tccz.pgrbfxx files |
---|
| 762 | strswitch=.false. ! stress not available |
---|
| 763 | |
---|
| 764 | ! CONVERT TP TO LSP (GRIB2 only) |
---|
| 765 | if (gribVer.eq.2) then |
---|
| 766 | do j=0,nymin1 |
---|
| 767 | do i=0,nxfield-1 |
---|
| 768 | if(i.le.i180) then |
---|
| 769 | if (convprec(i179+i,j,1,n).lt.lsprec(i179+i,j,1,n)) then ! neg precip would occur |
---|
| 770 | lsprec(i179+i,j,1,n)= & |
---|
| 771 | lsprec(i179+i,j,1,n)-convprec(i179+i,j,1,n) |
---|
| 772 | else |
---|
| 773 | lsprec(i179+i,j,1,n)=0 |
---|
| 774 | endif |
---|
| 775 | else |
---|
| 776 | if (convprec(i-i181,j,1,n).lt.lsprec(i-i181,j,1,n)) then |
---|
| 777 | lsprec(i-i181,j,1,n)= & |
---|
| 778 | lsprec(i-i181,j,1,n)-convprec(i-i181,j,1,n) |
---|
| 779 | else |
---|
| 780 | lsprec(i-i181,j,1,n)=0 |
---|
| 781 | endif |
---|
| 782 | endif |
---|
| 783 | enddo |
---|
| 784 | enddo |
---|
| 785 | endif |
---|
| 786 | !HSO end edits |
---|
| 787 | |
---|
| 788 | |
---|
| 789 | ! TRANSFORM RH TO SPECIFIC HUMIDITY |
---|
| 790 | |
---|
| 791 | do j=0,ny-1 |
---|
| 792 | do i=0,nxfield-1 |
---|
| 793 | do k=1,nuvz |
---|
| 794 | help=qvh(i,j,k,n) |
---|
| 795 | temp=tth(i,j,k,n) |
---|
| 796 | plev1=akm(k)+bkm(k)*ps(i,j,1,n) |
---|
| 797 | elev=ew(temp)*help/100.0 |
---|
| 798 | qvh(i,j,k,n)=xmwml*(elev/(plev1-((1.0-xmwml)*elev))) |
---|
| 799 | end do |
---|
| 800 | end do |
---|
| 801 | end do |
---|
| 802 | |
---|
| 803 | ! CALCULATE 2 M DEW POINT FROM 2 M RELATIVE HUMIDITY |
---|
| 804 | ! USING BOLTON'S (1980) FORMULA |
---|
| 805 | ! BECAUSE td2 IS NOT AVAILABLE FROM NCEP GFS DATA |
---|
| 806 | |
---|
| 807 | do j=0,ny-1 |
---|
| 808 | do i=0,nxfield-1 |
---|
| 809 | help=qvh2(i,j) |
---|
| 810 | temp=tt2(i,j,1,n) |
---|
| 811 | elev=ew(temp)/100.*help/100. !vapour pressure in hPa |
---|
| 812 | td2(i,j,1,n)=243.5/(17.67/log(elev/6.112)-1)+273. |
---|
| 813 | if (help.le.0.) td2(i,j,1,n)=tt2(i,j,1,n) |
---|
| 814 | end do |
---|
| 815 | end do |
---|
| 816 | |
---|
| 817 | if(levdiff2.eq.0) then |
---|
| 818 | iwmax=nlev_ec+1 |
---|
| 819 | do i=0,nxmin1 |
---|
| 820 | do j=0,nymin1 |
---|
| 821 | wwh(i,j,nlev_ec+1)=0. |
---|
| 822 | end do |
---|
| 823 | end do |
---|
| 824 | endif |
---|
| 825 | |
---|
| 826 | |
---|
| 827 | ! For global fields, assign the leftmost data column also to the rightmost |
---|
| 828 | ! data column; if required, shift whole grid by nxshift grid points |
---|
| 829 | !************************************************************************* |
---|
| 830 | |
---|
| 831 | if (xglobal) then |
---|
| 832 | call shift_field_0(ewss,nxfield,ny) |
---|
| 833 | call shift_field_0(nsss,nxfield,ny) |
---|
| 834 | call shift_field_0(oro,nxfield,ny) |
---|
| 835 | call shift_field_0(excessoro,nxfield,ny) |
---|
| 836 | call shift_field_0(lsm,nxfield,ny) |
---|
| 837 | call shift_field_0(ulev1,nxfield,ny) |
---|
| 838 | call shift_field_0(vlev1,nxfield,ny) |
---|
| 839 | call shift_field_0(tlev1,nxfield,ny) |
---|
| 840 | call shift_field_0(qvh2,nxfield,ny) |
---|
| 841 | call shift_field(ps,nxfield,ny,1,1,2,n) |
---|
| 842 | call shift_field(sd,nxfield,ny,1,1,2,n) |
---|
| 843 | call shift_field(msl,nxfield,ny,1,1,2,n) |
---|
| 844 | call shift_field(tcc,nxfield,ny,1,1,2,n) |
---|
| 845 | call shift_field(u10,nxfield,ny,1,1,2,n) |
---|
| 846 | call shift_field(v10,nxfield,ny,1,1,2,n) |
---|
| 847 | call shift_field(tt2,nxfield,ny,1,1,2,n) |
---|
| 848 | call shift_field(td2,nxfield,ny,1,1,2,n) |
---|
| 849 | call shift_field(lsprec,nxfield,ny,1,1,2,n) |
---|
| 850 | call shift_field(convprec,nxfield,ny,1,1,2,n) |
---|
| 851 | call shift_field(sshf,nxfield,ny,1,1,2,n) |
---|
| 852 | call shift_field(ssr,nxfield,ny,1,1,2,n) |
---|
| 853 | call shift_field(hmix,nxfield,ny,1,1,2,n) |
---|
| 854 | call shift_field(tth,nxfield,ny,nuvzmax,nuvz,2,n) |
---|
| 855 | call shift_field(qvh,nxfield,ny,nuvzmax,nuvz,2,n) |
---|
| 856 | call shift_field(uuh,nxfield,ny,nuvzmax,nuvz,1,1) |
---|
| 857 | call shift_field(vvh,nxfield,ny,nuvzmax,nuvz,1,1) |
---|
| 858 | call shift_field(wwh,nxfield,ny,nwzmax,nwz,1,1) |
---|
| 859 | endif |
---|
| 860 | |
---|
| 861 | do i=0,nxmin1 |
---|
| 862 | do j=0,nymin1 |
---|
| 863 | ! Convert precip. from mm/s -> mm/hour |
---|
| 864 | convprec(i,j,1,n)=convprec(i,j,1,n)*3600. |
---|
| 865 | lsprec(i,j,1,n)=lsprec(i,j,1,n)*3600. |
---|
| 866 | surfstr(i,j,1,n)=sqrt(ewss(i,j)**2+nsss(i,j)**2) |
---|
| 867 | end do |
---|
| 868 | end do |
---|
| 869 | |
---|
| 870 | if ((.not.hflswitch).or.(.not.strswitch)) then |
---|
| 871 | ! write(*,*) 'WARNING: No flux data contained in GRIB file ', |
---|
| 872 | ! + wfname(indj) |
---|
| 873 | |
---|
| 874 | ! CALCULATE USTAR AND SSHF USING THE PROFILE METHOD |
---|
| 875 | !*************************************************************************** |
---|
| 876 | |
---|
| 877 | do i=0,nxmin1 |
---|
| 878 | do j=0,nymin1 |
---|
| 879 | hlev1=30.0 ! HEIGHT OF FIRST MODEL SIGMA LAYER |
---|
| 880 | ff10m= sqrt(u10(i,j,1,n)**2+v10(i,j,1,n)**2) |
---|
| 881 | fflev1=sqrt(ulev1(i,j)**2+vlev1(i,j)**2) |
---|
| 882 | call pbl_profile(ps(i,j,1,n),td2(i,j,1,n),hlev1, & |
---|
| 883 | tt2(i,j,1,n),tlev1(i,j),ff10m,fflev1, & |
---|
| 884 | surfstr(i,j,1,n),sshf(i,j,1,n)) |
---|
| 885 | if(sshf(i,j,1,n).gt.200.) sshf(i,j,1,n)=200. |
---|
| 886 | if(sshf(i,j,1,n).lt.-400.) sshf(i,j,1,n)=-400. |
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| 887 | end do |
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| 888 | end do |
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| 889 | endif |
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| 890 | |
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| 891 | |
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| 892 | if(iumax.ne.nuvz) stop 'READWIND: NUVZ NOT CONSISTENT' |
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| 893 | if(iumax.ne.nwz) stop 'READWIND: NWZ NOT CONSISTENT' |
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| 894 | |
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| 895 | return |
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| 896 | 888 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
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| 897 | write(*,*) ' #### ',wfname(indj),' #### ' |
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| 898 | write(*,*) ' #### IS NOT GRIB FORMAT !!! #### ' |
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| 899 | stop 'Execution terminated' |
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| 900 | 999 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
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| 901 | write(*,*) ' #### ',wfname(indj),' #### ' |
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| 902 | write(*,*) ' #### CANNOT BE OPENED !!! #### ' |
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| 903 | stop 'Execution terminated' |
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| 904 | |
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| 905 | end subroutine readwind_gfs |
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