[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_ecmwf(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: 11/01/2008, Harald Sodemann, GRIB1/2 input with * |
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| 34 | ! ECMWF grib_api * |
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| 35 | ! CHANGE: 03/12/2008, Harald Sodemann, update to f90 with * |
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| 36 | ! ECMWF grib_api * |
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| 37 | ! * |
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| 38 | !********************************************************************** |
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| 39 | ! Changes, Bernd C. Krueger, Feb. 2001: |
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| 40 | ! Variables tth and qvh (on eta coordinates) in common block |
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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 | #if defined CTBTO |
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| 94 | integer :: parId |
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| 95 | #endif |
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| 96 | integer :: gotGrid |
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| 97 | |
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| 98 | |
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| 99 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 100 | !!!! Vtable related variables |
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| 101 | |
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| 102 | ! Paths to Vtables (current implementation will assume they are in the cwd |
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| 103 | ! This is a crappy place for these parameters. Need to move them. |
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| 104 | character(LEN=255), parameter :: VTABLE_ECMWF_GRIB1_PATH = & |
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| 105 | "Vtable_ecmwf_grib1", & |
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| 106 | VTABLE_ECMWF_GRIB2_PATH = & |
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| 107 | "Vtable_ecmwf_grib2", & |
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| 108 | VTABLE_ECMWF_GRIB1_2_PATH = & |
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| 109 | "Vtable_ecmwf_grib1_2" |
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| 110 | |
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| 111 | integer :: gribfile_type |
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| 112 | integer :: current_grib_level ! This "was" isec1(8) in previous version |
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| 113 | character(len=255) :: gribfile_name |
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| 114 | character(len=255) :: vtable_path |
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| 115 | character(len=15) :: fpname |
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| 116 | |
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| 117 | type(Vtable) :: my_vtable ! unallocated |
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| 118 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 119 | |
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| 120 | |
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| 121 | |
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| 122 | ! |
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| 123 | ! Variables and arrays for grib decoding: * |
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| 124 | ! dimension of isec2 at least (22+n), where n is the number of * |
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| 125 | ! parallels or meridians in a quasi-regular (reduced) Gaussian or * |
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| 126 | ! lat/long grid * |
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| 127 | ! dimension of zsec2 at least (10+nn), where nn is the number of * |
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| 128 | ! vertical coordinate parameters * |
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| 129 | ! * |
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| 130 | ! isec1 grib definition section (version, center, ... * |
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| 131 | ! isec2 grid description section * |
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| 132 | ! zsec4 the binary data section * |
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| 133 | ! xaux |
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| 134 | ! yaux |
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| 135 | ! xauxin |
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| 136 | ! yauxin |
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| 137 | ! xaux0 auxiliary variable for xlon0 * |
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| 138 | ! yaux0 auxiliary variable for xlat0 * |
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| 139 | ! nsss NS surface stress * |
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| 140 | ! ewss EW surface stress * |
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| 141 | ! plev1 pressure of the first model layer * |
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| 142 | ! pmean mean pressure between ?? * |
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| 143 | ! tv virtual temperature * |
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| 144 | ! fu for conversion from pressure to meters * |
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| 145 | ! hlev1 height of the first model layer * |
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| 146 | ! ff10m wind speed at 10 m * |
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| 147 | ! fflev1 wind speed at the first model layere * |
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| 148 | ! hflswitch logical variable to check existence of flux data * |
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| 149 | ! strswitch logical variable to check existence of stress * |
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| 150 | ! data * |
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| 151 | |
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| 152 | integer :: isec1(56),isec2(22+nxmax+nymax) |
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| 153 | real(kind=4) :: zsec4(jpunp) |
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| 154 | real(kind=4) :: xaux,yaux,xaux0,yaux0 |
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| 155 | #if defined CTBTO |
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| 156 | real(kind=4) :: conversion_factor |
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| 157 | #endif |
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| 158 | real(kind=8) :: xauxin,yauxin |
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| 159 | real(kind=4) :: nsss(0:nxmax-1,0:nymax-1),ewss(0:nxmax-1,0:nymax-1) |
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| 160 | real :: plev1,pmean,tv,fu,hlev1,ff10m,fflev1 |
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| 161 | logical :: hflswitch,strswitch |
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| 162 | |
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| 163 | ! Other variables: |
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| 164 | ! i,j,k loop control indices in each direction * |
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| 165 | ! levdiff2 number of model levels - number of model levels * |
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| 166 | ! for the staggered vertical wind +1 * |
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| 167 | ! ifield index to control field read in * |
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| 168 | ! iumax |
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| 169 | ! iwmax |
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| 170 | integer :: i,j,k,levdiff2,ifield,iumax,iwmax |
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| 171 | !*********************************************************************** |
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| 172 | |
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| 173 | !*********************************************************************** |
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| 174 | ! Local constants * |
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| 175 | real,parameter :: eps=1.e-4 |
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| 176 | !HSO grib api error messages: |
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| 177 | character(len=24) :: gribErrorMsg = 'Error reading grib file' |
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| 178 | character(len=20) :: gribFunction = 'readwind' |
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| 179 | !*********************************************************************** |
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| 180 | |
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| 181 | !*********************************************************************** |
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| 182 | ! Global variables * |
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| 183 | ! from par_mod and com_mod * |
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| 184 | ! wfname File name of data to be read in * |
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| 185 | ! nx,ny,nuvz,nwz expected field dimensions * |
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| 186 | ! nxfield same as nx but for limited area fields * |
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| 187 | ! nxmin1,nymin1 nx-1, ny-1, respectively * |
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| 188 | ! nxmax,nymax maximum dimension of wind fields in x and y * |
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| 189 | ! direction, respectively * |
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| 190 | ! nuvzmax,nwzmax maximum dimension of (u,v) and (w) wind fields in z |
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| 191 | ! direction (for fields on eta levels) * |
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| 192 | ! nlev_ec number of vertical levels ecmwf model * |
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| 193 | ! u10,v10 wind fields at 10 m * |
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| 194 | ! tt2,td2 temperature and dew point temperature at 2 m * |
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| 195 | ! tth,qvh temperature and specific humidity on original * |
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| 196 | ! eta levels * |
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| 197 | ! ps surface pressure * |
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| 198 | ! sd snow depth (but not used afterwards!) * |
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| 199 | ! msl mean sea level pressure * |
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| 200 | ! ttc total cloud cover * |
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| 201 | ! lsprec large scale precipitation * |
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| 202 | ! convprec convective precipitation * |
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| 203 | ! sshf sensible heat flux * |
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| 204 | ! ssr solar radiation * |
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| 205 | ! surfstr surface stress * |
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| 206 | ! oro orography * |
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| 207 | ! excessoro standard deviation of orography * |
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| 208 | ! lsm land sea mask * |
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| 209 | ! r_air individual gas constant for dry air [J/kg/K] * |
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| 210 | ! ga gravity acceleration of earth [m/s**2] * |
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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 | hflswitch=.false. |
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| 217 | strswitch=.false. |
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| 218 | levdiff2=nlev_ec-nwz+1 |
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| 219 | iumax=0 |
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| 220 | iwmax=0 |
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| 221 | |
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| 222 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 223 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 224 | !!!!!!! Vtable choice |
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| 225 | gribfile_name = path(3)(1:length(3))//trim(wfname(indj)) |
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| 226 | print *, 'gribfile_name: ', gribfile_name |
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| 227 | |
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| 228 | gribfile_type = vtable_detect_gribfile_type( gribfile_name ) |
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| 229 | |
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| 230 | print *, 'gribfile_type: ', gribfile_type |
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| 231 | |
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| 232 | if (gribfile_type .eq. VTABLE_GRIBFILE_TYPE_ECMWF_GRIB1) then |
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| 233 | vtable_path = VTABLE_ECMWF_GRIB1_PATH |
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| 234 | else if (gribfile_type .eq. VTABLE_GRIBFILE_TYPE_ECMWF_GRIB2) then |
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| 235 | vtable_path = VTABLE_ECMWF_GRIB2_PATH |
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| 236 | else if (gribfile_type .eq. VTABLE_GRIBFILE_TYPE_ECMWF_GRIB1_2) then |
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| 237 | vtable_path = VTABLE_ECMWF_GRIB1_2_PATH |
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| 238 | else |
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| 239 | print *, 'Unsupported gribfile_type: ', gribfile_type |
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| 240 | stop |
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| 241 | endif |
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| 242 | |
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| 243 | |
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| 244 | ! Load the Vtable into 'my_vtable' |
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| 245 | print *, 'Loading Vtable: ', vtable_path |
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| 246 | call vtable_load_by_name(vtable_path, my_vtable) |
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| 247 | print *, 'Vtable Initialized: ', my_vtable%initialized |
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| 248 | print *, 'Vtable num_entries: ', my_vtable%num_entries |
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| 249 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 250 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 251 | |
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| 252 | |
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| 253 | |
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| 254 | |
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| 255 | |
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| 256 | ! |
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| 257 | ! OPENING OF DATA FILE (GRIB CODE) |
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| 258 | ! |
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| 259 | 5 call grib_open_file(ifile,path(3)(1:length(3)) & |
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| 260 | //trim(wfname(indj)),'r',iret) |
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| 261 | if (iret.ne.GRIB_SUCCESS) then |
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| 262 | goto 888 ! ERROR DETECTED |
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| 263 | endif |
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| 264 | !turn on support for multi fields messages */ |
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| 265 | !call grib_multi_support_on |
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| 266 | |
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| 267 | gotGrid=0 |
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| 268 | ifield=0 |
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| 269 | 10 ifield=ifield+1 |
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| 270 | ! |
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| 271 | ! GET NEXT FIELDS |
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| 272 | ! |
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| 273 | call grib_new_from_file(ifile,igrib,iret) |
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| 274 | if (iret.eq.GRIB_END_OF_FILE) then |
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| 275 | goto 50 ! EOF DETECTED |
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| 276 | elseif (iret.ne.GRIB_SUCCESS) then |
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| 277 | goto 888 ! ERROR DETECTED |
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| 278 | endif |
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| 279 | |
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| 280 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 281 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 282 | ! Get the fpname |
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| 283 | fpname = vtable_get_fpname(igrib, my_vtable) |
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| 284 | !print *, 'fpname: ', trim(fpname) |
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| 285 | |
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| 286 | |
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| 287 | !!!!!!!!!!!!!!!!!!! VTABLE code |
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| 288 | !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! |
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| 289 | |
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| 290 | #if defined CTBTO |
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| 291 | conversion_factor=1.0 |
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| 292 | #endif |
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| 293 | |
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| 294 | !first see if we read GRIB1 or GRIB2 |
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| 295 | call grib_get_int(igrib,'editionNumber',gribVer,iret) |
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| 296 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 297 | |
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| 298 | !!!!!!! DJM - candidate for consolidation |
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| 299 | if (gribVer.eq.1) then ! GRIB Edition 1 |
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| 300 | |
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| 301 | call grib_get_int(igrib,'level', current_grib_level,iret) |
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| 302 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 303 | |
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| 304 | |
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| 305 | else ! GRIB Edition 2 |
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| 306 | |
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| 307 | #if defined CTBTO |
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| 308 | !print *, 'fpname: ', fpname |
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| 309 | call grib2check(igrib, fpname, conversion_factor) |
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| 310 | #endif |
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| 311 | |
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| 312 | call grib_get_int(igrib,'level', current_grib_level,iret) |
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| 313 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 314 | |
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| 315 | |
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| 316 | endif ! END IF Grib Version selection |
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| 317 | |
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| 318 | |
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| 319 | |
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| 320 | !HSO get the size and data of the values array |
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| 321 | if (trim(fpname) .ne. 'None') then |
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| 322 | call grib_get_real4_array(igrib,'values',zsec4,iret) |
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| 323 | #if defined CTBTO |
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| 324 | zsec4=zsec4/conversion_factor |
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| 325 | #endif |
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| 326 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 327 | endif |
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| 328 | |
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| 329 | !HSO get the required fields from section 2 in a gribex compatible manner |
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| 330 | if (ifield.eq.1) then |
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| 331 | call grib_get_int(igrib,'numberOfPointsAlongAParallel', & |
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| 332 | isec2(2),iret) |
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| 333 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 334 | call grib_get_int(igrib,'numberOfPointsAlongAMeridian', & |
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| 335 | isec2(3),iret) |
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| 336 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 337 | call grib_get_int(igrib,'numberOfVerticalCoordinateValues', & |
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| 338 | isec2(12)) |
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| 339 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 340 | ! CHECK GRID SPECIFICATIONS |
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| 341 | if(isec2(2).ne.nxfield) stop 'READWIND: NX NOT CONSISTENT' |
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| 342 | if(isec2(3).ne.ny) stop 'READWIND: NY NOT CONSISTENT' |
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| 343 | if(isec2(12)/2-1.ne.nlev_ec) & |
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| 344 | stop 'READWIND: VERTICAL DISCRETIZATION NOT CONSISTENT' |
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| 345 | endif ! ifield |
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| 346 | |
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| 347 | !HSO get the second part of the grid dimensions only from GRiB1 messages |
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| 348 | #if defined CTBTO |
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| 349 | if (gotGrid.eq.0) then |
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| 350 | #else |
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| 351 | !!! DJM 2016-05-29 -- this check for gribVer doesn't make sense, and causes |
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| 352 | !!! failure with pure GRIB2, so I'm commenting out |
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| 353 | !if ((gribVer.eq.1).and.(gotGrid.eq.0)) then |
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| 354 | if (gotGrid.eq.0) then |
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| 355 | #endif |
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| 356 | call grib_get_real8(igrib,'longitudeOfFirstGridPointInDegrees', & |
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| 357 | xauxin,iret) |
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| 358 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 359 | call grib_get_real8(igrib,'latitudeOfLastGridPointInDegrees', & |
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| 360 | yauxin,iret) |
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| 361 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 362 | xaux=xauxin+real(nxshift)*dx |
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| 363 | yaux=yauxin |
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| 364 | xaux0=xlon0 |
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| 365 | yaux0=ylat0 |
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| 366 | if(xaux.lt.0.) xaux=xaux+360. |
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| 367 | if(yaux.lt.0.) yaux=yaux+360. |
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| 368 | if(xaux0.lt.0.) xaux0=xaux0+360. |
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| 369 | if(yaux0.lt.0.) yaux0=yaux0+360. |
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| 370 | if(abs(xaux-xaux0).gt.eps) & |
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| 371 | stop 'READWIND: LOWER LEFT LONGITUDE NOT CONSISTENT' |
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| 372 | if(abs(yaux-yaux0).gt.eps) & |
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| 373 | stop 'READWIND: LOWER LEFT LATITUDE NOT CONSISTENT' |
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| 374 | gotGrid=1 |
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| 375 | endif ! gotGrid |
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| 376 | |
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| 377 | |
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| 378 | k = current_grib_level |
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| 379 | |
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| 380 | !! TEMPERATURE |
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| 381 | if(trim(fpname) .eq. 'TT') then |
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| 382 | do j=0,nymin1 |
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| 383 | do i=0,nxfield-1 |
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| 384 | tth(i,j,nlev_ec-k+2,n) = zsec4(nxfield*(ny-j-1)+i+1) |
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| 385 | enddo |
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| 386 | enddo |
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| 387 | endif |
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| 388 | |
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| 389 | |
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| 390 | !! U VELOCITY |
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| 391 | if(trim(fpname) .eq. 'UU') then |
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| 392 | iumax=max(iumax,nlev_ec-k+1) |
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| 393 | do j=0,nymin1 |
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| 394 | do i=0,nxfield-1 |
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| 395 | uuh(i,j,nlev_ec-k+2) = zsec4(nxfield*(ny-j-1)+i+1) |
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| 396 | enddo |
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| 397 | enddo |
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| 398 | endif |
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| 399 | |
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| 400 | |
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| 401 | !! V VELOCITY |
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| 402 | if(trim(fpname) .eq. 'VV') then |
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| 403 | do j=0,nymin1 |
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| 404 | do i=0,nxfield-1 |
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| 405 | vvh(i,j,nlev_ec-k+2) = zsec4(nxfield*(ny-j-1)+i+1) |
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| 406 | enddo |
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| 407 | enddo |
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| 408 | endif |
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| 409 | |
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| 410 | !! W VELOCITY |
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| 411 | if(trim(fpname) .eq. 'ETADOT') then |
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| 412 | iwmax=max(iwmax,nlev_ec-k+1) |
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| 413 | do j=0,nymin1 |
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| 414 | do i=0,nxfield-1 |
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| 415 | wwh(i,j,nlev_ec-k+1) = zsec4(nxfield*(ny-j-1)+i+1) |
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| 416 | enddo |
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| 417 | enddo |
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| 418 | endif |
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| 419 | |
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| 420 | !! SPEC HUMIDITY |
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| 421 | if(trim(fpname) .eq. 'QV') then |
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| 422 | do j=0,nymin1 |
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| 423 | do i=0,nxfield-1 |
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| 424 | qvh(i,j,nlev_ec-k+2,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 425 | if (qvh(i,j,nlev_ec-k+2,n) .lt. 0.) qvh(i,j,nlev_ec-k+2,n) = 0. |
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| 426 | ! this is necessary because the gridded data may contain |
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| 427 | ! spurious negative values |
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| 428 | enddo |
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| 429 | enddo |
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| 430 | endif |
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| 431 | |
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| 432 | !! SURF. PRESS. |
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| 433 | if(trim(fpname) .eq. 'PS') then |
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| 434 | do j=0,nymin1 |
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| 435 | do i=0,nxfield-1 |
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| 436 | ps(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 437 | enddo |
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| 438 | enddo |
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| 439 | endif |
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| 440 | |
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| 441 | !! SNOW DEPTH |
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| 442 | if(trim(fpname) .eq. 'SD') then |
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| 443 | do j=0,nymin1 |
---|
| 444 | do i=0,nxfield-1 |
---|
| 445 | sd(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 446 | enddo |
---|
| 447 | enddo |
---|
| 448 | endif |
---|
| 449 | |
---|
| 450 | !! SEA LEVEL PRESS. |
---|
| 451 | if(trim(fpname) .eq. 'MSL') then |
---|
| 452 | do j=0,nymin1 |
---|
| 453 | do i=0,nxfield-1 |
---|
| 454 | msl(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 455 | enddo |
---|
| 456 | enddo |
---|
| 457 | endif |
---|
| 458 | |
---|
| 459 | !! CLOUD COVER |
---|
| 460 | if(trim(fpname) .eq. 'TCC') then |
---|
| 461 | do j=0,nymin1 |
---|
| 462 | do i=0,nxfield-1 |
---|
| 463 | tcc(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 464 | enddo |
---|
| 465 | enddo |
---|
| 466 | endif |
---|
| 467 | |
---|
| 468 | !! 10 M U VELOCITY |
---|
| 469 | if(trim(fpname) .eq. 'U10') then |
---|
| 470 | do j=0,nymin1 |
---|
| 471 | do i=0,nxfield-1 |
---|
| 472 | u10(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 473 | enddo |
---|
| 474 | enddo |
---|
| 475 | endif |
---|
| 476 | |
---|
| 477 | !! 10 M V VELOCITY |
---|
| 478 | if(trim(fpname) .eq. 'V10') then |
---|
| 479 | do j=0,nymin1 |
---|
| 480 | do i=0,nxfield-1 |
---|
| 481 | v10(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 482 | enddo |
---|
| 483 | enddo |
---|
| 484 | endif |
---|
| 485 | |
---|
| 486 | !! 2 M TEMPERATURE |
---|
| 487 | if(trim(fpname) .eq. 'T2') then |
---|
| 488 | do j=0,nymin1 |
---|
| 489 | do i=0,nxfield-1 |
---|
| 490 | tt2(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 491 | enddo |
---|
| 492 | enddo |
---|
| 493 | endif |
---|
| 494 | |
---|
| 495 | !! 2 M DEW POINT |
---|
| 496 | if(trim(fpname) .eq. 'TD2') then |
---|
| 497 | do j=0,nymin1 |
---|
| 498 | do i=0,nxfield-1 |
---|
| 499 | td2(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 500 | enddo |
---|
| 501 | enddo |
---|
| 502 | endif |
---|
| 503 | |
---|
| 504 | !! LARGE SCALE PREC. |
---|
| 505 | if(trim(fpname) .eq. 'LSPREC') then |
---|
| 506 | do j=0,nymin1 |
---|
| 507 | do i=0,nxfield-1 |
---|
| 508 | lsprec(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 509 | if (lsprec(i,j,1,n).lt.0.) lsprec(i,j,1,n)=0. |
---|
| 510 | enddo |
---|
| 511 | enddo |
---|
| 512 | endif |
---|
| 513 | |
---|
| 514 | !! CONVECTIVE PREC. |
---|
| 515 | if(trim(fpname) .eq. 'CONVPREC') then |
---|
| 516 | do j=0,nymin1 |
---|
| 517 | do i=0,nxfield-1 |
---|
| 518 | convprec(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 519 | if (convprec(i,j,1,n).lt.0.) convprec(i,j,1,n)=0. |
---|
| 520 | enddo |
---|
| 521 | enddo |
---|
| 522 | endif |
---|
| 523 | |
---|
| 524 | !! SENS. HEAT FLUX |
---|
| 525 | if(trim(fpname) .eq. 'SHF') then |
---|
| 526 | do j=0,nymin1 |
---|
| 527 | do i=0,nxfield-1 |
---|
| 528 | sshf(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 529 | if (zsec4(nxfield*(ny-j-1)+i+1).ne.0.) hflswitch=.true. ! Heat flux available |
---|
| 530 | enddo |
---|
| 531 | enddo |
---|
| 532 | endif |
---|
| 533 | |
---|
| 534 | !! SOLAR RADIATION |
---|
| 535 | if(trim(fpname) .eq. 'SR') then |
---|
| 536 | do j=0,nymin1 |
---|
| 537 | do i=0,nxfield-1 |
---|
| 538 | ssr(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 539 | if (ssr(i,j,1,n).lt.0.) ssr(i,j,1,n)=0. |
---|
| 540 | enddo |
---|
| 541 | enddo |
---|
| 542 | endif |
---|
| 543 | |
---|
| 544 | !! EW SURFACE STRESS |
---|
| 545 | if(trim(fpname) .eq. 'EWSS') then |
---|
| 546 | do j=0,nymin1 |
---|
| 547 | do i=0,nxfield-1 |
---|
| 548 | ewss(i,j)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 549 | if (zsec4(nxfield*(ny-j-1)+i+1).ne.0.) strswitch=.true. ! stress available |
---|
| 550 | enddo |
---|
| 551 | enddo |
---|
| 552 | endif |
---|
| 553 | |
---|
| 554 | !! NS SURFACE STRESS |
---|
| 555 | if(trim(fpname) .eq. 'NSSS') then |
---|
| 556 | do j=0,nymin1 |
---|
| 557 | do i=0,nxfield-1 |
---|
| 558 | nsss(i,j)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 559 | if (zsec4(nxfield*(ny-j-1)+i+1).ne.0.) strswitch=.true. ! stress available |
---|
| 560 | enddo |
---|
| 561 | enddo |
---|
| 562 | endif |
---|
| 563 | |
---|
| 564 | !! ECMWF OROGRAPHY |
---|
| 565 | if(trim(fpname) .eq. 'ORO') then |
---|
| 566 | do j=0,nymin1 |
---|
| 567 | do i=0,nxfield-1 |
---|
| 568 | oro(i,j)=zsec4(nxfield*(ny-j-1)+i+1)/ga |
---|
| 569 | enddo |
---|
| 570 | enddo |
---|
| 571 | endif |
---|
| 572 | |
---|
| 573 | !! ECMWF OROGRAPHY |
---|
| 574 | if(trim(fpname) .eq. 'EXCESSORO') then |
---|
| 575 | do j=0,nymin1 |
---|
| 576 | do i=0,nxfield-1 |
---|
| 577 | excessoro(i,j)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 578 | enddo |
---|
| 579 | enddo |
---|
| 580 | endif |
---|
| 581 | |
---|
| 582 | !! ECMWF LAND SEA MASK |
---|
| 583 | if(trim(fpname) .eq. 'LSM') then |
---|
| 584 | do j=0,nymin1 |
---|
| 585 | do i=0,nxfield-1 |
---|
| 586 | lsm(i,j)=zsec4(nxfield*(ny-j-1)+i+1) |
---|
| 587 | enddo |
---|
| 588 | enddo |
---|
| 589 | endif |
---|
| 590 | |
---|
| 591 | |
---|
| 592 | call grib_release(igrib) |
---|
| 593 | goto 10 !! READ NEXT LEVEL OR PARAMETER |
---|
| 594 | ! |
---|
| 595 | ! CLOSING OF INPUT DATA FILE |
---|
| 596 | ! |
---|
| 597 | |
---|
| 598 | 50 call grib_close_file(ifile) |
---|
| 599 | |
---|
| 600 | !error message if no fields found with correct first longitude in it |
---|
| 601 | if (gotGrid.eq.0) then |
---|
| 602 | print*,'***ERROR: no fields found with correct first longitude'// & |
---|
| 603 | 'messages' |
---|
| 604 | stop |
---|
| 605 | endif |
---|
| 606 | |
---|
| 607 | if(levdiff2.eq.0) then |
---|
| 608 | iwmax=nlev_ec+1 |
---|
| 609 | do i=0,nxmin1 |
---|
| 610 | do j=0,nymin1 |
---|
| 611 | wwh(i,j,nlev_ec+1)=0. |
---|
| 612 | end do |
---|
| 613 | end do |
---|
| 614 | endif |
---|
| 615 | |
---|
| 616 | ! For global fields, assign the leftmost data column also to the rightmost |
---|
| 617 | ! data column; if required, shift whole grid by nxshift grid points |
---|
| 618 | !************************************************************************* |
---|
| 619 | |
---|
| 620 | if (xglobal) then |
---|
| 621 | call shift_field_0(ewss,nxfield,ny) |
---|
| 622 | call shift_field_0(nsss,nxfield,ny) |
---|
| 623 | call shift_field_0(oro,nxfield,ny) |
---|
| 624 | call shift_field_0(excessoro,nxfield,ny) |
---|
| 625 | call shift_field_0(lsm,nxfield,ny) |
---|
| 626 | call shift_field(ps,nxfield,ny,1,1,2,n) |
---|
| 627 | call shift_field(sd,nxfield,ny,1,1,2,n) |
---|
| 628 | call shift_field(msl,nxfield,ny,1,1,2,n) |
---|
| 629 | call shift_field(tcc,nxfield,ny,1,1,2,n) |
---|
| 630 | call shift_field(u10,nxfield,ny,1,1,2,n) |
---|
| 631 | call shift_field(v10,nxfield,ny,1,1,2,n) |
---|
| 632 | call shift_field(tt2,nxfield,ny,1,1,2,n) |
---|
| 633 | call shift_field(td2,nxfield,ny,1,1,2,n) |
---|
| 634 | call shift_field(lsprec,nxfield,ny,1,1,2,n) |
---|
| 635 | call shift_field(convprec,nxfield,ny,1,1,2,n) |
---|
| 636 | call shift_field(sshf,nxfield,ny,1,1,2,n) |
---|
| 637 | call shift_field(ssr,nxfield,ny,1,1,2,n) |
---|
| 638 | call shift_field(tth,nxfield,ny,nuvzmax,nuvz,2,n) |
---|
| 639 | call shift_field(qvh,nxfield,ny,nuvzmax,nuvz,2,n) |
---|
| 640 | call shift_field(uuh,nxfield,ny,nuvzmax,nuvz,1,1) |
---|
| 641 | call shift_field(vvh,nxfield,ny,nuvzmax,nuvz,1,1) |
---|
| 642 | call shift_field(wwh,nxfield,ny,nwzmax,nwz,1,1) |
---|
| 643 | endif |
---|
| 644 | |
---|
| 645 | do i=0,nxmin1 |
---|
| 646 | do j=0,nymin1 |
---|
| 647 | surfstr(i,j,1,n)=sqrt(ewss(i,j)**2+nsss(i,j)**2) |
---|
| 648 | end do |
---|
| 649 | end do |
---|
| 650 | |
---|
| 651 | if ((.not.hflswitch).or.(.not.strswitch)) then |
---|
| 652 | write(*,*) 'WARNING: No flux data contained in GRIB file ', & |
---|
| 653 | wfname(indj) |
---|
| 654 | |
---|
| 655 | ! CALCULATE USTAR AND SSHF USING THE PROFILE METHOD |
---|
| 656 | ! As ECMWF has increased the model resolution, such that now the first model |
---|
| 657 | ! level is at about 10 m (where 10-m wind is given), use the 2nd ECMWF level |
---|
| 658 | ! (3rd model level in FLEXPART) for the profile method |
---|
| 659 | !*************************************************************************** |
---|
| 660 | |
---|
| 661 | do i=0,nxmin1 |
---|
| 662 | do j=0,nymin1 |
---|
| 663 | plev1=akz(3)+bkz(3)*ps(i,j,1,n) |
---|
| 664 | pmean=0.5*(ps(i,j,1,n)+plev1) |
---|
| 665 | tv=tth(i,j,3,n)*(1.+0.61*qvh(i,j,3,n)) |
---|
| 666 | fu=-r_air*tv/ga/pmean |
---|
| 667 | hlev1=fu*(plev1-ps(i,j,1,n)) ! HEIGTH OF FIRST MODEL LAYER |
---|
| 668 | ff10m= sqrt(u10(i,j,1,n)**2+v10(i,j,1,n)**2) |
---|
| 669 | fflev1=sqrt(uuh(i,j,3)**2+vvh(i,j,3)**2) |
---|
| 670 | call pbl_profile(ps(i,j,1,n),td2(i,j,1,n),hlev1, & |
---|
| 671 | tt2(i,j,1,n),tth(i,j,3,n),ff10m,fflev1, & |
---|
| 672 | surfstr(i,j,1,n),sshf(i,j,1,n)) |
---|
| 673 | if(sshf(i,j,1,n).gt.200.) sshf(i,j,1,n)=200. |
---|
| 674 | if(sshf(i,j,1,n).lt.-400.) sshf(i,j,1,n)=-400. |
---|
| 675 | end do |
---|
| 676 | end do |
---|
| 677 | endif |
---|
| 678 | |
---|
| 679 | |
---|
| 680 | ! Assign 10 m wind to model level at eta=1.0 to have one additional model |
---|
| 681 | ! level at the ground |
---|
| 682 | ! Specific humidity is taken the same as at one level above |
---|
| 683 | ! Temperature is taken as 2 m temperature |
---|
| 684 | !************************************************************************** |
---|
| 685 | |
---|
| 686 | do i=0,nxmin1 |
---|
| 687 | do j=0,nymin1 |
---|
| 688 | uuh(i,j,1)=u10(i,j,1,n) |
---|
| 689 | vvh(i,j,1)=v10(i,j,1,n) |
---|
| 690 | qvh(i,j,1,n)=qvh(i,j,2,n) |
---|
| 691 | tth(i,j,1,n)=tt2(i,j,1,n) |
---|
| 692 | end do |
---|
| 693 | end do |
---|
| 694 | |
---|
| 695 | if(iumax.ne.nuvz-1) stop 'READWIND: NUVZ NOT CONSISTENT' |
---|
| 696 | if(iwmax.ne.nwz) stop 'READWIND: NWZ NOT CONSISTENT' |
---|
| 697 | |
---|
| 698 | return |
---|
| 699 | 888 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
---|
| 700 | write(*,*) ' #### ',wfname(indj),' #### ' |
---|
| 701 | write(*,*) ' #### IS NOT GRIB FORMAT !!! #### ' |
---|
| 702 | stop 'Execution terminated' |
---|
| 703 | 999 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
---|
| 704 | write(*,*) ' #### ',wfname(indj),' #### ' |
---|
| 705 | write(*,*) ' #### CANNOT BE OPENED !!! #### ' |
---|
| 706 | stop 'Execution terminated' |
---|
| 707 | |
---|
| 708 | end subroutine readwind_ecmwf |
---|