| 1 | ! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt |
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| 2 | ! SPDX-License-Identifier: GPL-3.0-or-later |
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| 3 | |
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| 4 | subroutine readwind_ecmwf(indj,n,uuh,vvh,wwh) |
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| 5 | |
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| 6 | !********************************************************************** |
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| 7 | ! * |
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| 8 | ! TRAJECTORY MODEL SUBROUTINE READWIND * |
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| 9 | ! * |
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| 10 | !********************************************************************** |
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| 11 | ! * |
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| 12 | ! AUTHOR: G. WOTAWA * |
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| 13 | ! DATE: 1997-08-05 * |
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| 14 | ! LAST UPDATE: 2000-10-17, Andreas Stohl * |
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| 15 | ! CHANGE: 11/01/2008, Harald Sodemann, GRIB1/2 input with * |
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| 16 | ! ECMWF grib_api * |
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| 17 | ! CHANGE: 03/12/2008, Harald Sodemann, update to f90 with * |
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| 18 | ! ECMWF grib_api * |
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| 19 | ! * |
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| 20 | !********************************************************************** |
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| 21 | ! Changes, Bernd C. Krueger, Feb. 2001: |
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| 22 | ! Variables tth and qvh (on eta coordinates) in common block |
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| 23 | ! |
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| 24 | ! Unified ECMWF and GFS builds |
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| 25 | ! Marian Harustak, 12.5.2017 |
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| 26 | ! - Renamed from readwind to readwind_ecmwf |
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| 27 | ! |
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| 28 | !********************************************************************** |
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| 29 | ! * |
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| 30 | ! DESCRIPTION: * |
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| 31 | ! * |
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| 32 | ! READING OF ECMWF METEOROLOGICAL FIELDS FROM INPUT DATA FILES. THE * |
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| 33 | ! INPUT DATA FILES ARE EXPECTED TO BE AVAILABLE IN GRIB CODE * |
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| 34 | ! * |
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| 35 | ! INPUT: * |
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| 36 | ! indj indicates number of the wind field to be read in * |
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| 37 | ! n temporal index for meteorological fields (1 to 3)* |
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| 38 | ! * |
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| 39 | ! IMPORTANT VARIABLES FROM COMMON BLOCK: * |
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| 40 | ! * |
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| 41 | ! wfname File name of data to be read in * |
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| 42 | ! nx,ny,nuvz,nwz expected field dimensions * |
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| 43 | ! nlev_ec number of vertical levels ecmwf model * |
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| 44 | ! uu,vv,ww wind fields * |
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| 45 | ! tt,qv temperature and specific humidity * |
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| 46 | ! ps surface pressure * |
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| 47 | ! * |
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| 48 | !********************************************************************** |
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| 49 | |
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| 50 | use grib_api |
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| 51 | use par_mod |
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| 52 | use com_mod |
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| 53 | |
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| 54 | implicit none |
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| 55 | |
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| 56 | ! include 'grib_api.h' |
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| 57 | |
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| 58 | !HSO parameters for grib_api |
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| 59 | integer :: ifile |
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| 60 | integer :: iret |
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| 61 | integer :: igrib |
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| 62 | integer :: gribVer,parCat,parNum,typSurf,valSurf,discipl,parId |
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| 63 | integer :: gotGrid |
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| 64 | !HSO end |
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| 65 | |
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| 66 | real(sp) :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 67 | real(sp) :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 68 | real(sp) :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
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| 69 | integer :: indj,i,j,k,n,levdiff2,ifield,iumax,iwmax |
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| 70 | |
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| 71 | ! VARIABLES AND ARRAYS NEEDED FOR GRIB DECODING |
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| 72 | |
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| 73 | ! dimension of isec2 at least (22+n), where n is the number of parallels or |
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| 74 | ! meridians in a quasi-regular (reduced) Gaussian or lat/long grid |
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| 75 | |
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| 76 | ! dimension of zsec2 at least (10+nn), where nn is the number of vertical |
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| 77 | ! coordinate parameters |
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| 78 | |
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| 79 | integer :: isec1(56),isec2(22+nxmax+nymax) |
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| 80 | real(sp) :: zsec4(jpunp) |
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| 81 | real(sp) :: xaux,yaux |
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| 82 | real(dp) :: xauxin,yauxin |
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| 83 | real(sp),parameter :: eps=1.e-4 |
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| 84 | real(sp) :: nsss(0:nxmax-1,0:nymax-1),ewss(0:nxmax-1,0:nymax-1) |
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| 85 | real(sp) :: plev1,pmean,tv,fu,hlev1,ff10m,fflev1,conversion_factor |
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| 86 | |
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| 87 | logical :: hflswitch,strswitch!,readcloud |
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| 88 | |
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| 89 | !HSO grib api error messages |
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| 90 | character(len=24) :: gribErrorMsg = 'Error reading grib file' |
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| 91 | character(len=20) :: gribFunction = 'readwind' |
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| 92 | |
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| 93 | hflswitch=.false. |
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| 94 | strswitch=.false. |
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| 95 | !ZHG test the grib fields that have lcwc without using them |
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| 96 | ! readcloud=.false. |
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| 97 | |
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| 98 | levdiff2=nlev_ec-nwz+1 |
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| 99 | iumax=0 |
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| 100 | iwmax=0 |
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| 101 | |
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| 102 | ! |
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| 103 | ! OPENING OF DATA FILE (GRIB CODE) |
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| 104 | ! |
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| 105 | write(*,*) 'Reading: '//path(3)(1:length(3)) & |
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| 106 | //trim(wfname(indj)) |
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| 107 | 5 call grib_open_file(ifile,path(3)(1:length(3)) & |
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| 108 | //trim(wfname(indj)),'r',iret) |
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| 109 | if (iret.ne.GRIB_SUCCESS) then |
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| 110 | goto 888 ! ERROR DETECTED |
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| 111 | endif |
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| 112 | !turn on support for multi fields messages */ |
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| 113 | !call grib_multi_support_on |
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| 114 | |
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| 115 | gotGrid=0 |
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| 116 | ifield=0 |
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| 117 | 10 ifield=ifield+1 |
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| 118 | ! |
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| 119 | ! GET NEXT FIELDS |
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| 120 | ! |
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| 121 | call grib_new_from_file(ifile,igrib,iret) |
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| 122 | if (iret.eq.GRIB_END_OF_FILE) then |
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| 123 | goto 50 ! EOF DETECTED |
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| 124 | elseif (iret.ne.GRIB_SUCCESS) then |
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| 125 | goto 888 ! ERROR DETECTED |
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| 126 | endif |
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| 127 | |
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| 128 | !first see if we read GRIB1 or GRIB2 |
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| 129 | call grib_get_int(igrib,'editionNumber',gribVer,iret) |
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| 130 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 131 | |
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| 132 | if (gribVer.eq.1) then ! GRIB Edition 1 |
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| 133 | |
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| 134 | !print*,'GRiB Edition 1' |
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| 135 | !read the grib2 identifiers |
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| 136 | call grib_get_int(igrib,'indicatorOfParameter',isec1(6),iret) |
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| 137 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 138 | call grib_get_int(igrib,'level',isec1(8),iret) |
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| 139 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 140 | |
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| 141 | !change code for etadot to code for omega |
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| 142 | if (isec1(6).eq.77) then |
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| 143 | isec1(6)=135 |
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| 144 | endif |
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| 145 | |
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| 146 | conversion_factor=1. |
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| 147 | |
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| 148 | else |
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| 149 | |
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| 150 | !print*,'GRiB Edition 2' |
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| 151 | !read the grib2 identifiers |
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| 152 | call grib_get_int(igrib,'discipline',discipl,iret) |
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| 153 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 154 | call grib_get_int(igrib,'parameterCategory',parCat,iret) |
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| 155 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 156 | call grib_get_int(igrib,'parameterNumber',parNum,iret) |
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| 157 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 158 | call grib_get_int(igrib,'typeOfFirstFixedSurface',typSurf,iret) |
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| 159 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 160 | call grib_get_int(igrib,'level',valSurf,iret) |
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| 161 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 162 | call grib_get_int(igrib,'paramId',parId,iret) |
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| 163 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 164 | |
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| 165 | !print*,discipl,parCat,parNum,typSurf,valSurf |
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| 166 | |
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| 167 | !convert to grib1 identifiers |
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| 168 | isec1(6)=-1 |
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| 169 | isec1(7)=-1 |
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| 170 | isec1(8)=-1 |
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| 171 | isec1(8)=valSurf ! level |
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| 172 | conversion_factor=1. |
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| 173 | if ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.105)) then ! T |
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| 174 | isec1(6)=130 ! indicatorOfParameter |
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| 175 | elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.105)) then ! U |
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| 176 | isec1(6)=131 ! indicatorOfParameter |
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| 177 | elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.105)) then ! V |
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| 178 | isec1(6)=132 ! indicatorOfParameter |
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| 179 | elseif ((parCat.eq.1).and.(parNum.eq.0).and.(typSurf.eq.105)) then ! Q |
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| 180 | isec1(6)=133 ! indicatorOfParameter |
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| 181 | ! ESO Cloud water is in a) fields CLWC and CIWC, *or* b) field QC |
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| 182 | elseif ((parCat.eq.1).and.(parNum.eq.83).and.(typSurf.eq.105)) then ! clwc |
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| 183 | isec1(6)=246 ! indicatorOfParameter |
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| 184 | elseif ((parCat.eq.1).and.(parNum.eq.84).and.(typSurf.eq.105)) then ! ciwc |
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| 185 | isec1(6)=247 ! indicatorOfParameter |
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| 186 | ! ESO qc(=clwc+ciwc): |
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| 187 | elseif ((parCat.eq.201).and.(parNum.eq.31).and.(typSurf.eq.105)) then ! qc |
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| 188 | isec1(6)=201031 ! indicatorOfParameter |
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| 189 | elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.1)) then !SP |
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| 190 | isec1(6)=134 ! indicatorOfParameter |
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| 191 | elseif ((parCat.eq.2).and.(parNum.eq.32)) then ! W, actually eta dot |
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| 192 | isec1(6)=135 ! indicatorOfParameter |
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| 193 | elseif ((parCat.eq.128).and.(parNum.eq.77)) then ! W, actually eta dot |
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| 194 | isec1(6)=135 ! indicatorOfParameter |
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| 195 | elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.101)) then !SLP |
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| 196 | isec1(6)=151 ! indicatorOfParameter |
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| 197 | elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.103)) then ! 10U |
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| 198 | isec1(6)=165 ! indicatorOfParameter |
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| 199 | elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.103)) then ! 10V |
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| 200 | isec1(6)=166 ! indicatorOfParameter |
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| 201 | elseif ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.103)) then ! 2T |
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| 202 | isec1(6)=167 ! indicatorOfParameter |
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| 203 | elseif ((parCat.eq.0).and.(parNum.eq.6).and.(typSurf.eq.103)) then ! 2D |
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| 204 | isec1(6)=168 ! indicatorOfParameter |
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| 205 | elseif ((parCat.eq.1).and.(parNum.eq.11).and.(typSurf.eq.1)) then ! SD |
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| 206 | isec1(6)=141 ! indicatorOfParameter |
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| 207 | conversion_factor=1000. |
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| 208 | elseif ((parCat.eq.6).and.(parNum.eq.1) .or. parId .eq. 164) then ! CC |
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| 209 | isec1(6)=164 ! indicatorOfParameter |
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| 210 | elseif ((parCat.eq.1).and.(parNum.eq.9) .or. parId .eq. 142) then ! LSP |
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| 211 | isec1(6)=142 ! indicatorOfParameter |
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| 212 | elseif ((parCat.eq.1).and.(parNum.eq.10)) then ! CP |
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| 213 | isec1(6)=143 ! indicatorOfParameter |
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| 214 | conversion_factor=1000. |
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| 215 | elseif ((parCat.eq.0).and.(parNum.eq.11).and.(typSurf.eq.1)) then ! SHF |
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| 216 | isec1(6)=146 ! indicatorOfParameter |
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| 217 | elseif ((parCat.eq.4).and.(parNum.eq.9).and.(typSurf.eq.1)) then ! SR |
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| 218 | isec1(6)=176 ! indicatorOfParameter |
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| 219 | ! elseif ((parCat.eq.2).and.(parNum.eq.17) .or. parId .eq. 180) then ! EWSS --wrong |
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| 220 | elseif ((parCat.eq.2).and.(parNum.eq.38) .or. parId .eq. 180) then ! EWSS --correct |
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| 221 | isec1(6)=180 ! indicatorOfParameter |
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| 222 | ! elseif ((parCat.eq.2).and.(parNum.eq.18) .or. parId .eq. 181) then ! NSSS --wrong |
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| 223 | elseif ((parCat.eq.2).and.(parNum.eq.37) .or. parId .eq. 181) then ! NSSS --correct |
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| 224 | isec1(6)=181 ! indicatorOfParameter |
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| 225 | elseif ((parCat.eq.3).and.(parNum.eq.4)) then ! ORO |
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| 226 | isec1(6)=129 ! indicatorOfParameter |
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| 227 | elseif ((parCat.eq.3).and.(parNum.eq.7) .or. parId .eq. 160) then ! SDO |
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| 228 | isec1(6)=160 ! indicatorOfParameter |
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| 229 | elseif ((discipl.eq.2).and.(parCat.eq.0).and.(parNum.eq.0).and. & |
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| 230 | (typSurf.eq.1)) then ! LSM |
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| 231 | isec1(6)=172 ! indicatorOfParameter |
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| 232 | elseif (parNum.eq.152) then |
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| 233 | isec1(6)=152 ! avoid warning for lnsp |
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| 234 | else |
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| 235 | print*,'***WARNING: undefined GRiB2 message found!',discipl, & |
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| 236 | parCat,parNum,typSurf |
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| 237 | endif |
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| 238 | if(parId .ne. isec1(6) .and. parId .ne. 77) then |
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| 239 | write(*,*) 'parId',parId, 'isec1(6)',isec1(6) |
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| 240 | ! stop |
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| 241 | endif |
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| 242 | |
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| 243 | endif |
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| 244 | |
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| 245 | !HSO get the size and data of the values array |
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| 246 | if (isec1(6).ne.-1) then |
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| 247 | call grib_get_real4_array(igrib,'values',zsec4,iret) |
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| 248 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 249 | endif |
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| 250 | |
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| 251 | !HSO get the required fields from section 2 in a gribex compatible manner |
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| 252 | if (ifield.eq.1) then |
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| 253 | call grib_get_int(igrib,'numberOfPointsAlongAParallel',isec2(2),iret) |
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| 254 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 255 | call grib_get_int(igrib,'numberOfPointsAlongAMeridian',isec2(3),iret) |
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| 256 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 257 | call grib_get_int(igrib,'numberOfVerticalCoordinateValues',isec2(12)) |
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| 258 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 259 | ! CHECK GRID SPECIFICATIONS |
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| 260 | if(isec2(2).ne.nxfield) stop 'READWIND: NX NOT CONSISTENT' |
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| 261 | if(isec2(3).ne.ny) stop 'READWIND: NY NOT CONSISTENT' |
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| 262 | if(isec2(12)/2-1.ne.nlev_ec) & |
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| 263 | stop 'READWIND: VERTICAL DISCRETIZATION NOT CONSISTENT' |
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| 264 | endif ! ifield |
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| 265 | |
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| 266 | !HSO get the second part of the grid dimensions only from GRiB1 messages |
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| 267 | if (isec1(6) .eq. 167 .and. (gotGrid.eq.0)) then |
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| 268 | call grib_get_real8(igrib,'longitudeOfFirstGridPointInDegrees', & |
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| 269 | xauxin,iret) |
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| 270 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 271 | call grib_get_real8(igrib,'latitudeOfLastGridPointInDegrees', & |
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| 272 | yauxin,iret) |
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| 273 | call grib_check(iret,gribFunction,gribErrorMsg) |
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| 274 | if (xauxin.gt.180.) xauxin=xauxin-360.0 |
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| 275 | if (xauxin.lt.-180.) xauxin=xauxin+360.0 |
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| 276 | |
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| 277 | xaux=xauxin+real(nxshift)*dx |
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| 278 | yaux=yauxin |
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| 279 | if (xaux.gt.180.) xaux=xaux-360.0 |
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| 280 | if(abs(xaux-xlon0).gt.eps) & |
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| 281 | stop 'READWIND: LOWER LEFT LONGITUDE NOT CONSISTENT' |
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| 282 | if(abs(yaux-ylat0).gt.eps) & |
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| 283 | stop 'READWIND: LOWER LEFT LATITUDE NOT CONSISTENT' |
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| 284 | gotGrid=1 |
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| 285 | endif ! gotGrid |
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| 286 | |
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| 287 | do j=0,nymin1 |
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| 288 | do i=0,nxfield-1 |
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| 289 | k=isec1(8) |
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| 290 | if(isec1(6).eq.130) tth(i,j,nlev_ec-k+2,n)= &!! TEMPERATURE |
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| 291 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 292 | if(isec1(6).eq.131) uuh(i,j,nlev_ec-k+2)= &!! U VELOCITY |
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| 293 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 294 | if(isec1(6).eq.132) vvh(i,j,nlev_ec-k+2)= &!! V VELOCITY |
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| 295 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 296 | if(isec1(6).eq.133) then !! SPEC. HUMIDITY |
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| 297 | qvh(i,j,nlev_ec-k+2,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 298 | if (qvh(i,j,nlev_ec-k+2,n) .lt. 0.) & |
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| 299 | qvh(i,j,nlev_ec-k+2,n) = 0. |
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| 300 | ! this is necessary because the gridded data may contain |
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| 301 | ! spurious negative values |
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| 302 | endif |
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| 303 | if(isec1(6).eq.134) ps(i,j,1,n)= &!! SURF. PRESS. |
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| 304 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 305 | |
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| 306 | if(isec1(6).eq.135) wwh(i,j,nlev_ec-k+1)= &!! W VELOCITY |
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| 307 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 308 | if(isec1(6).eq.141) sd(i,j,1,n)= &!! SNOW DEPTH |
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| 309 | zsec4(nxfield*(ny-j-1)+i+1)/conversion_factor |
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| 310 | if(isec1(6).eq.151) msl(i,j,1,n)= &!! SEA LEVEL PRESS. |
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| 311 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 312 | if(isec1(6).eq.164) tcc(i,j,1,n)= &!! CLOUD COVER |
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| 313 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 314 | if(isec1(6).eq.165) u10(i,j,1,n)= &!! 10 M U VELOCITY |
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| 315 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 316 | if(isec1(6).eq.166) v10(i,j,1,n)= &!! 10 M V VELOCITY |
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| 317 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 318 | if(isec1(6).eq.167) tt2(i,j,1,n)= &!! 2 M TEMPERATURE |
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| 319 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 320 | if(isec1(6).eq.168) td2(i,j,1,n)= &!! 2 M DEW POINT |
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| 321 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 322 | if(isec1(6).eq.142) then !! LARGE SCALE PREC. |
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| 323 | lsprec(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 324 | if (lsprec(i,j,1,n).lt.0.) lsprec(i,j,1,n)=0. |
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| 325 | endif |
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| 326 | if(isec1(6).eq.143) then !! CONVECTIVE PREC. |
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| 327 | convprec(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1)/conversion_factor |
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| 328 | if (convprec(i,j,1,n).lt.0.) convprec(i,j,1,n)=0. |
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| 329 | endif |
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| 330 | if(isec1(6).eq.146) sshf(i,j,1,n)= &!! SENS. HEAT FLUX |
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| 331 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 332 | if((isec1(6).eq.146).and.(zsec4(nxfield*(ny-j-1)+i+1).ne.0.)) & |
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| 333 | hflswitch=.true. ! Heat flux available |
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| 334 | if(isec1(6).eq.176) then !! SOLAR RADIATION |
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| 335 | ssr(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 336 | if (ssr(i,j,1,n).lt.0.) ssr(i,j,1,n)=0. |
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| 337 | endif |
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| 338 | if(isec1(6).eq.180) ewss(i,j)= &!! EW SURFACE STRESS |
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| 339 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 340 | if(isec1(6).eq.181) nsss(i,j)= &!! NS SURFACE STRESS |
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| 341 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 342 | if(((isec1(6).eq.180).or.(isec1(6).eq.181)).and. & |
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| 343 | (zsec4(nxfield*(ny-j-1)+i+1).ne.0.)) strswitch=.true. ! stress available |
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| 344 | !sec strswitch=.true. |
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| 345 | if(isec1(6).eq.129) oro(i,j)= &!! ECMWF OROGRAPHY |
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| 346 | zsec4(nxfield*(ny-j-1)+i+1)/ga |
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| 347 | if(isec1(6).eq.160) excessoro(i,j)= &!! STANDARD DEVIATION OF OROGRAPHY |
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| 348 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 349 | if(isec1(6).eq.172) lsm(i,j)= &!! ECMWF LAND SEA MASK |
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| 350 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 351 | if(isec1(6).eq.131) iumax=max(iumax,nlev_ec-k+1) |
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| 352 | if(isec1(6).eq.135) iwmax=max(iwmax,nlev_ec-k+1) |
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| 353 | !ZHG READING CLOUD FIELDS ASWELL |
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| 354 | ! ESO TODO: add check for if one of clwc/ciwc missing (error), |
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| 355 | ! also if all 3 cw fields present, use qc and disregard the others |
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| 356 | if(isec1(6).eq.246) then !! CLWC Cloud liquid water content [kg/kg] |
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| 357 | clwch(i,j,nlev_ec-k+2,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 358 | readclouds=.true. |
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| 359 | sumclouds=.false. |
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| 360 | endif |
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| 361 | if(isec1(6).eq.247) then !! CIWC Cloud ice water content |
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| 362 | ciwch(i,j,nlev_ec-k+2,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 363 | endif |
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| 364 | !ZHG end |
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| 365 | !ESO read qc (=clwc+ciwc) |
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| 366 | if(isec1(6).eq.201031) then !! QC Cloud liquid water content [kg/kg] |
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| 367 | clwch(i,j,nlev_ec-k+2,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 368 | readclouds=.true. |
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| 369 | sumclouds=.true. |
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| 370 | endif |
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| 371 | |
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| 372 | end do |
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| 373 | end do |
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| 374 | |
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| 375 | call grib_release(igrib) |
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| 376 | goto 10 !! READ NEXT LEVEL OR PARAMETER |
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| 377 | ! |
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| 378 | ! CLOSING OF INPUT DATA FILE |
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| 379 | ! |
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| 380 | |
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| 381 | 50 call grib_close_file(ifile) |
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| 382 | |
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| 383 | !error message if no fields found with correct first longitude in it |
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| 384 | if (gotGrid.eq.0) then |
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| 385 | print*,'***ERROR: input file needs to contain GRiB1 formatted'// & |
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| 386 | 'messages' |
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| 387 | stop |
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| 388 | endif |
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| 389 | |
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| 390 | ! if(levdiff2.eq.0) then |
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| 391 | iwmax=iwmax+1 |
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| 392 | do i=0,nxmin1 |
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| 393 | do j=0,nymin1 |
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| 394 | wwh(i,j,iwmax)=0. |
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| 395 | end do |
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| 396 | end do |
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| 397 | ! endif |
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| 398 | |
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| 399 | ! For global fields, assign the leftmost data column also to the rightmost |
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| 400 | ! data column; if required, shift whole grid by nxshift grid points |
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| 401 | !************************************************************************* |
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| 402 | |
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| 403 | if (xglobal) then |
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| 404 | call shift_field_0(ewss,nxfield,ny) |
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| 405 | call shift_field_0(nsss,nxfield,ny) |
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| 406 | call shift_field_0(oro,nxfield,ny) |
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| 407 | call shift_field_0(excessoro,nxfield,ny) |
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| 408 | call shift_field_0(lsm,nxfield,ny) |
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| 409 | call shift_field(ps,nxfield,ny,1,1,2,n) |
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| 410 | call shift_field(sd,nxfield,ny,1,1,2,n) |
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| 411 | call shift_field(msl,nxfield,ny,1,1,2,n) |
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| 412 | call shift_field(tcc,nxfield,ny,1,1,2,n) |
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| 413 | call shift_field(u10,nxfield,ny,1,1,2,n) |
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| 414 | call shift_field(v10,nxfield,ny,1,1,2,n) |
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| 415 | call shift_field(tt2,nxfield,ny,1,1,2,n) |
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| 416 | call shift_field(td2,nxfield,ny,1,1,2,n) |
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| 417 | call shift_field(lsprec,nxfield,ny,1,1,2,n) |
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| 418 | call shift_field(convprec,nxfield,ny,1,1,2,n) |
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| 419 | call shift_field(sshf,nxfield,ny,1,1,2,n) |
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| 420 | call shift_field(ssr,nxfield,ny,1,1,2,n) |
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| 421 | call shift_field(tth,nxfield,ny,nuvzmax,nuvz,2,n) |
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| 422 | call shift_field(qvh,nxfield,ny,nuvzmax,nuvz,2,n) |
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| 423 | call shift_field(uuh,nxfield,ny,nuvzmax,nuvz,1,1) |
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| 424 | call shift_field(vvh,nxfield,ny,nuvzmax,nuvz,1,1) |
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| 425 | call shift_field(wwh,nxfield,ny,nwzmax,nwz,1,1) |
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| 426 | !ZHG |
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| 427 | call shift_field(clwch,nxfield,ny,nuvzmax,nuvz,2,n) |
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| 428 | if (.not.sumclouds) call shift_field(ciwch,nxfield,ny,nuvzmax,nuvz,2,n) |
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| 429 | !ZHG end |
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| 430 | |
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| 431 | endif |
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| 432 | |
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| 433 | do i=0,nxmin1 |
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| 434 | do j=0,nymin1 |
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| 435 | surfstr(i,j,1,n)=sqrt(ewss(i,j)**2+nsss(i,j)**2) |
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| 436 | end do |
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| 437 | end do |
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| 438 | |
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| 439 | if ((.not.hflswitch).or.(.not.strswitch)) then |
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| 440 | write(*,*) 'WARNING: No flux data contained in GRIB file ', & |
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| 441 | wfname(indj) |
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| 442 | |
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| 443 | ! CALCULATE USTAR AND SSHF USING THE PROFILE METHOD |
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| 444 | ! As ECMWF has increased the model resolution, such that now the first model |
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| 445 | ! level is at about 10 m (where 10-m wind is given), use the 2nd ECMWF level |
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| 446 | ! (3rd model level in FLEXPART) for the profile method |
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| 447 | !*************************************************************************** |
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| 448 | |
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| 449 | do i=0,nxmin1 |
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| 450 | do j=0,nymin1 |
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| 451 | plev1=akz(3)+bkz(3)*ps(i,j,1,n) |
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| 452 | pmean=0.5*(ps(i,j,1,n)+plev1) |
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| 453 | tv=tth(i,j,3,n)*(1.+0.61*qvh(i,j,3,n)) |
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| 454 | fu=-r_air*tv/ga/pmean |
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| 455 | hlev1=fu*(plev1-ps(i,j,1,n)) ! HEIGTH OF FIRST MODEL LAYER |
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| 456 | ff10m= sqrt(u10(i,j,1,n)**2+v10(i,j,1,n)**2) |
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| 457 | fflev1=sqrt(uuh(i,j,3)**2+vvh(i,j,3)**2) |
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| 458 | call pbl_profile(ps(i,j,1,n),td2(i,j,1,n),hlev1, & |
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| 459 | tt2(i,j,1,n),tth(i,j,3,n),ff10m,fflev1, & |
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| 460 | surfstr(i,j,1,n),sshf(i,j,1,n)) |
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| 461 | if(sshf(i,j,1,n).gt.200.) sshf(i,j,1,n)=200. |
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| 462 | if(sshf(i,j,1,n).lt.-400.) sshf(i,j,1,n)=-400. |
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| 463 | end do |
|---|
| 464 | end do |
|---|
| 465 | endif |
|---|
| 466 | |
|---|
| 467 | |
|---|
| 468 | ! Assign 10 m wind to model level at eta=1.0 to have one additional model |
|---|
| 469 | ! level at the ground |
|---|
| 470 | ! Specific humidity is taken the same as at one level above |
|---|
| 471 | ! Temperature is taken as 2 m temperature |
|---|
| 472 | !************************************************************************** |
|---|
| 473 | |
|---|
| 474 | do i=0,nxmin1 |
|---|
| 475 | do j=0,nymin1 |
|---|
| 476 | uuh(i,j,1)=u10(i,j,1,n) |
|---|
| 477 | vvh(i,j,1)=v10(i,j,1,n) |
|---|
| 478 | qvh(i,j,1,n)=qvh(i,j,2,n) |
|---|
| 479 | tth(i,j,1,n)=tt2(i,j,1,n) |
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| 480 | end do |
|---|
| 481 | end do |
|---|
| 482 | |
|---|
| 483 | if(iumax.ne.nuvz-1) stop 'READWIND: NUVZ NOT CONSISTENT' |
|---|
| 484 | if(iwmax.ne.nwz) stop 'READWIND: NWZ NOT CONSISTENT' |
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| 485 | |
|---|
| 486 | return |
|---|
| 487 | |
|---|
| 488 | 888 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
|---|
| 489 | write(*,*) ' #### ',wfname(indj),' #### ' |
|---|
| 490 | write(*,*) ' #### IS NOT GRIB FORMAT !!! #### ' |
|---|
| 491 | stop 'Execution terminated' |
|---|
| 492 | |
|---|
| 493 | end subroutine readwind_ecmwf |
|---|
| 494 | |
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