| 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(indj,n) |
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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 | ! INPUT: * |
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| 49 | ! indj indicates number of the wind field to be read in * |
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| 50 | ! n temporal index for meteorological fields (1 to 3)* |
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| 51 | ! * |
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| 52 | ! IMPORTANT VARIABLES FROM COMMON BLOCK: * |
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| 53 | ! * |
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| 54 | ! wfname File name of data to be read in * |
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| 55 | ! nx,ny,nuvz,nwz expected field dimensions * |
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| 56 | ! nlev_ec number of vertical levels ecmwf model * |
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| 57 | ! uu,vv,ww wind fields * |
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| 58 | ! tt,qv temperature and specific humidity * |
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| 59 | ! ps surface pressure * |
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| 60 | ! * |
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| 61 | !********************************************************************** |
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| 62 | |
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| 63 | use par_mod |
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| 64 | use com_mod |
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| 65 | use GRIB_API |
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| 66 | |
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| 67 | implicit none |
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| 68 | |
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| 69 | !HSO parameters for grib_api |
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| 70 | integer :: ifile |
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| 71 | integer :: iret |
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| 72 | integer :: igrib |
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| 73 | integer :: gribVer,parCat,parNum,typSurf,valSurf,discipl |
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| 74 | integer :: gotGrid |
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| 75 | !HSO end |
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| 76 | |
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| 77 | ! real(kind=4) :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 78 | ! real(kind=4) :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 79 | ! real(kind=4) :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
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| 80 | integer :: indj,i,j,k,n,levdiff2,ifield,iumax,iwmax |
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| 81 | |
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| 82 | ! VARIABLES AND ARRAYS NEEDED FOR GRIB DECODING |
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| 83 | |
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| 84 | ! dimension of isec2 at least (22+n), where n is the number of parallels or |
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| 85 | ! meridians in a quasi-regular (reduced) Gaussian or lat/long grid |
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| 86 | |
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| 87 | ! dimension of zsec2 at least (10+nn), where nn is the number of vertical |
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| 88 | ! coordinate parameters |
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| 89 | |
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| 90 | integer :: isec1(56),isec2(22+nxmax+nymax) |
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| 91 | real(kind=4) :: zsec4(jpunp) |
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| 92 | real(kind=4) :: xaux,yaux,xaux0,yaux0 |
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| 93 | real(kind=8) :: xauxin,yauxin |
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| 94 | real,parameter :: eps=1.e-4 |
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| 95 | real(kind=4) :: nsss(0:nxmax-1,0:nymax-1),ewss(0:nxmax-1,0:nymax-1) |
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| 96 | real :: plev1,pmean,tv,fu,hlev1,ff10m,fflev1 |
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| 97 | |
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| 98 | logical :: hflswitch,strswitch |
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| 99 | |
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| 100 | !HSO grib api error messages |
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| 101 | character(len=24) :: gribErrorMsg = 'Error reading grib file' |
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| 102 | character(len=20) :: gribFunction = 'readwind' |
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| 103 | |
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| 104 | !HSO conversion of ECMWF etadot to etadot*dp/deta |
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| 105 | logical :: etacon=.false. |
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| 106 | real,parameter :: p00=101325. |
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| 107 | real :: dak,dbk |
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| 108 | |
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| 109 | print*,'in readwind' |
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| 110 | hflswitch=.false. |
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| 111 | strswitch=.false. |
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| 112 | levdiff2=nlev_ec-nwz+1 |
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| 113 | iumax=0 |
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| 114 | iwmax=0 |
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| 115 | |
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| 116 | ! |
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| 117 | ! OPENING OF DATA FILE (GRIB CODE) |
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| 118 | ! |
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| 119 | ! call grib_open_file(ifile,path(3)(1:length(3)) trim(wfname(indj)),'r',iret) |
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| 120 | if (iret.ne.GRIB_SUCCESS) then |
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| 121 | goto 888 ! ERROR DETECTED |
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| 122 | endif |
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| 123 | !turn on support for multi fields messages */ |
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| 124 | !call grib_multi_support_on |
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| 125 | |
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| 126 | gotGrid=0 |
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| 127 | ifield=0 |
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| 128 | 10 ifield=ifield+1 |
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| 129 | ! |
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| 130 | ! GET NEXT FIELDS |
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| 131 | ! |
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| 132 | print*,'getting grib data' |
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| 133 | ! call grib_new_from_file(ifile,igrib,iret) |
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| 134 | if (iret.eq.GRIB_END_OF_FILE) then |
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| 135 | goto 50 ! EOF DETECTED |
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| 136 | elseif (iret.ne.GRIB_SUCCESS) then |
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| 137 | goto 888 ! ERROR DETECTED |
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| 138 | endif |
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| 139 | |
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| 140 | !first see if we read GRIB1 or GRIB2 |
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| 141 | ! call grib_get_int(igrib,'editionNumber',gribVer,iret) |
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| 142 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 143 | |
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| 144 | if (gribVer.eq.1) then ! GRIB Edition 1 |
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| 145 | |
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| 146 | !print*,'GRiB Edition 1' |
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| 147 | !read the grib2 identifiers |
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| 148 | ! call grib_get_int(igrib,'indicatorOfParameter',isec1(6),iret) |
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| 149 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 150 | ! call grib_get_int(igrib,'level',isec1(8),iret) |
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| 151 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 152 | |
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| 153 | !change code for etadot to code for omega |
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| 154 | if (isec1(6).eq.77) then |
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| 155 | isec1(6)=135 |
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| 156 | endif |
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| 157 | |
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| 158 | else |
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| 159 | |
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| 160 | !print*,'GRiB Edition 2' |
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| 161 | !read the grib2 identifiers |
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| 162 | ! call grib_get_int(igrib,'discipline',discipl,iret) |
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| 163 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 164 | ! call grib_get_int(igrib,'parameterCategory',parCat,iret) |
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| 165 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 166 | ! call grib_get_int(igrib,'parameterNumber',parNum,iret) |
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| 167 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 168 | ! call grib_get_int(igrib,'typeOfFirstFixedSurface',typSurf,iret) |
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| 169 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 170 | ! call grib_get_int(igrib,'level',valSurf,iret) |
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| 171 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 172 | |
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| 173 | !print*,discipl,parCat,parNum,typSurf,valSurf |
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| 174 | |
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| 175 | !convert to grib1 identifiers |
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| 176 | isec1(6)=-1 |
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| 177 | isec1(7)=-1 |
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| 178 | isec1(8)=-1 |
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| 179 | isec1(8)=valSurf ! level |
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| 180 | if ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.105)) then ! T |
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| 181 | isec1(6)=130 ! indicatorOfParameter |
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| 182 | elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.105)) then ! U |
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| 183 | isec1(6)=131 ! indicatorOfParameter |
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| 184 | elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.105)) then ! V |
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| 185 | isec1(6)=132 ! indicatorOfParameter |
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| 186 | elseif ((parCat.eq.1).and.(parNum.eq.0).and.(typSurf.eq.105)) then ! Q |
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| 187 | isec1(6)=133 ! indicatorOfParameter |
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| 188 | elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.1)) then !SP |
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| 189 | isec1(6)=134 ! indicatorOfParameter |
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| 190 | elseif ((parCat.eq.2).and.(parNum.eq.32)) then ! W, actually eta dot |
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| 191 | isec1(6)=135 ! indicatorOfParameter |
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| 192 | elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.101)) then !SLP |
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| 193 | isec1(6)=151 ! indicatorOfParameter |
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| 194 | elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.103)) then ! 10U |
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| 195 | isec1(6)=165 ! indicatorOfParameter |
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| 196 | elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.103)) then ! 10V |
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| 197 | isec1(6)=166 ! indicatorOfParameter |
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| 198 | elseif ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.103)) then ! 2T |
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| 199 | isec1(6)=167 ! indicatorOfParameter |
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| 200 | elseif ((parCat.eq.0).and.(parNum.eq.6).and.(typSurf.eq.103)) then ! 2D |
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| 201 | isec1(6)=168 ! indicatorOfParameter |
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| 202 | elseif ((parCat.eq.1).and.(parNum.eq.11).and.(typSurf.eq.1)) then ! SD |
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| 203 | isec1(6)=141 ! indicatorOfParameter |
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| 204 | elseif ((parCat.eq.6).and.(parNum.eq.1)) then ! CC |
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| 205 | isec1(6)=164 ! indicatorOfParameter |
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| 206 | elseif ((parCat.eq.1).and.(parNum.eq.9)) then ! LSP |
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| 207 | isec1(6)=142 ! indicatorOfParameter |
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| 208 | elseif ((parCat.eq.1).and.(parNum.eq.10)) then ! CP |
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| 209 | isec1(6)=143 ! indicatorOfParameter |
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| 210 | elseif ((parCat.eq.0).and.(parNum.eq.11).and.(typSurf.eq.1)) then ! SHF |
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| 211 | isec1(6)=146 ! indicatorOfParameter |
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| 212 | elseif ((parCat.eq.4).and.(parNum.eq.9).and.(typSurf.eq.1)) then ! SR |
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| 213 | isec1(6)=176 ! indicatorOfParameter |
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| 214 | elseif ((parCat.eq.2).and.(parNum.eq.17)) then ! EWSS |
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| 215 | isec1(6)=180 ! indicatorOfParameter |
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| 216 | elseif ((parCat.eq.2).and.(parNum.eq.18)) then ! NSSS |
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| 217 | isec1(6)=181 ! indicatorOfParameter |
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| 218 | elseif ((parCat.eq.3).and.(parNum.eq.4)) then ! ORO |
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| 219 | isec1(6)=129 ! indicatorOfParameter |
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| 220 | elseif ((parCat.eq.3).and.(parNum.eq.7)) then ! SDO |
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| 221 | isec1(6)=160 ! indicatorOfParameter |
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| 222 | elseif ((discipl.eq.2).and.(parCat.eq.0).and.(parNum.eq.0).and. & |
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| 223 | (typSurf.eq.1)) then ! LSM |
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| 224 | isec1(6)=172 ! indicatorOfParameter |
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| 225 | else |
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| 226 | print*,'***ERROR: undefined GRiB2 message found!',discipl, & |
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| 227 | parCat,parNum,typSurf |
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| 228 | endif |
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| 229 | |
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| 230 | endif |
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| 231 | |
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| 232 | !HSO get the size and data of the values array |
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| 233 | if (isec1(6).ne.-1) then |
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| 234 | ! call grib_get_real4_array(igrib,'values',zsec4,iret) |
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| 235 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 236 | endif |
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| 237 | |
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| 238 | !HSO get the required fields from section 2 in a gribex compatible manner |
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| 239 | if (ifield.eq.1) then |
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| 240 | ! call grib_get_int(igrib,'numberOfPointsAlongAParallel', & |
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| 241 | ! isec2(2),iret) |
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| 242 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 243 | ! call grib_get_int(igrib,'numberOfPointsAlongAMeridian', & |
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| 244 | ! isec2(3),iret) |
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| 245 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 246 | ! call grib_get_int(igrib,'numberOfVerticalCoordinateValues', & |
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| 247 | ! isec2(12)) |
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| 248 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 249 | ! CHECK GRID SPECIFICATIONS |
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| 250 | if(isec2(2).ne.nxfield) stop 'READWIND: NX NOT CONSISTENT' |
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| 251 | if(isec2(3).ne.ny) stop 'READWIND: NY NOT CONSISTENT' |
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| 252 | if(isec2(12)/2-1.ne.nlev_ec) & |
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| 253 | stop 'READWIND: VERTICAL DISCRETIZATION NOT CONSISTENT' |
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| 254 | endif ! ifield |
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| 255 | |
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| 256 | !HSO get the second part of the grid dimensions only from GRiB1 messages |
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| 257 | if ((gribVer.eq.1).and.(gotGrid.eq.0)) then |
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| 258 | ! call grib_get_real8(igrib,'longitudeOfFirstGridPointInDegrees', & |
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| 259 | ! xauxin,iret) |
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| 260 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 261 | ! call grib_get_real8(igrib,'latitudeOfLastGridPointInDegrees', & |
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| 262 | ! yauxin,iret) |
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| 263 | ! call grib_check(iret,gribFunction,gribErrorMsg) |
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| 264 | xaux=xauxin+real(nxshift)*dx |
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| 265 | yaux=yauxin |
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| 266 | xaux0=xlon0 |
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| 267 | yaux0=ylat0 |
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| 268 | if(xaux.lt.0.) xaux=xaux+360. |
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| 269 | if(yaux.lt.0.) yaux=yaux+360. |
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| 270 | if(xaux0.lt.0.) xaux0=xaux0+360. |
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| 271 | if(yaux0.lt.0.) yaux0=yaux0+360. |
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| 272 | if(abs(xaux-xaux0).gt.eps) & |
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| 273 | stop 'READWIND: LOWER LEFT LONGITUDE NOT CONSISTENT' |
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| 274 | if(abs(yaux-yaux0).gt.eps) & |
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| 275 | stop 'READWIND: LOWER LEFT LATITUDE NOT CONSISTENT' |
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| 276 | gotGrid=1 |
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| 277 | endif ! gotGrid |
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| 278 | |
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| 279 | do j=0,nymin1 |
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| 280 | do i=0,nxfield-1 |
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| 281 | k=isec1(8) |
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| 282 | if(isec1(6).eq.130) tth(i,j,nlev_ec-k+2,n)= &!! TEMPERATURE |
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| 283 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 284 | if(isec1(6).eq.131) uuh(i,j,nlev_ec-k+2)= &!! U VELOCITY |
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| 285 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 286 | if(isec1(6).eq.132) vvh(i,j,nlev_ec-k+2)= &!! V VELOCITY |
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| 287 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 288 | if(isec1(6).eq.133) then !! SPEC. HUMIDITY |
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| 289 | qvh(i,j,nlev_ec-k+2,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 290 | if (qvh(i,j,nlev_ec-k+2,n) .lt. 0.) & |
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| 291 | qvh(i,j,nlev_ec-k+2,n) = 0. |
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| 292 | ! this is necessary because the gridded data may contain |
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| 293 | ! spurious negative values |
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| 294 | endif |
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| 295 | if(isec1(6).eq.134) ps(i,j,1,n)= &!! SURF. PRESS. |
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| 296 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 297 | |
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| 298 | if(isec1(6).eq.135) wwh(i,j,nlev_ec-k+1)= &!! W VELOCITY |
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| 299 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 300 | if(isec1(6).eq.141) sd(i,j,1,n)= &!! SNOW DEPTH |
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| 301 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 302 | if(isec1(6).eq.151) msl(i,j,1,n)= &!! SEA LEVEL PRESS. |
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| 303 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 304 | if(isec1(6).eq.164) tcc(i,j,1,n)= &!! CLOUD COVER |
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| 305 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 306 | if(isec1(6).eq.165) u10(i,j,1,n)= &!! 10 M U VELOCITY |
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| 307 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 308 | if(isec1(6).eq.166) v10(i,j,1,n)= &!! 10 M V VELOCITY |
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| 309 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 310 | if(isec1(6).eq.167) tt2(i,j,1,n)= &!! 2 M TEMPERATURE |
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| 311 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 312 | if(isec1(6).eq.168) td2(i,j,1,n)= &!! 2 M DEW POINT |
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| 313 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 314 | if(isec1(6).eq.142) then !! LARGE SCALE PREC. |
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| 315 | lsprec(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 316 | if (lsprec(i,j,1,n).lt.0.) lsprec(i,j,1,n)=0. |
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| 317 | endif |
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| 318 | if(isec1(6).eq.143) then !! CONVECTIVE PREC. |
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| 319 | convprec(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 320 | if (convprec(i,j,1,n).lt.0.) convprec(i,j,1,n)=0. |
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| 321 | endif |
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| 322 | if(isec1(6).eq.146) sshf(i,j,1,n)= &!! SENS. HEAT FLUX |
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| 323 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 324 | if((isec1(6).eq.146).and.(zsec4(nxfield*(ny-j-1)+i+1).ne.0.)) & |
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| 325 | hflswitch=.true. ! Heat flux available |
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| 326 | if(isec1(6).eq.176) then !! SOLAR RADIATION |
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| 327 | ssr(i,j,1,n)=zsec4(nxfield*(ny-j-1)+i+1) |
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| 328 | if (ssr(i,j,1,n).lt.0.) ssr(i,j,1,n)=0. |
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| 329 | endif |
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| 330 | if(isec1(6).eq.180) ewss(i,j)= &!! EW SURFACE STRESS |
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| 331 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 332 | if(isec1(6).eq.181) nsss(i,j)= &!! NS SURFACE STRESS |
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| 333 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 334 | if(((isec1(6).eq.180).or.(isec1(6).eq.181)).and. & |
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| 335 | (zsec4(nxfield*(ny-j-1)+i+1).ne.0.)) strswitch=.true. ! stress available |
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| 336 | !sec strswitch=.true. |
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| 337 | if(isec1(6).eq.129) oro(i,j)= &!! ECMWF OROGRAPHY |
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| 338 | zsec4(nxfield*(ny-j-1)+i+1)/ga |
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| 339 | if(isec1(6).eq.160) excessoro(i,j)= &!! STANDARD DEVIATION OF OROGRAPHY |
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| 340 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 341 | if(isec1(6).eq.172) lsm(i,j)= &!! ECMWF LAND SEA MASK |
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| 342 | zsec4(nxfield*(ny-j-1)+i+1) |
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| 343 | if(isec1(6).eq.131) iumax=max(iumax,nlev_ec-k+1) |
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| 344 | if(isec1(6).eq.135) iwmax=max(iwmax,nlev_ec-k+1) |
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| 345 | |
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| 346 | end do |
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| 347 | end do |
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| 348 | |
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| 349 | ! call grib_release(igrib) |
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| 350 | goto 10 !! READ NEXT LEVEL OR PARAMETER |
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| 351 | ! |
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| 352 | ! CLOSING OF INPUT DATA FILE |
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| 353 | ! |
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| 354 | 50 continue |
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| 355 | call grib_close_file(ifile) |
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| 356 | |
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| 357 | !error message if no fields found with correct first longitude in it |
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| 358 | if (gotGrid.eq.0) then |
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| 359 | print*,'***ERROR: input file needs to contain GRiB1 formatted'// & |
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| 360 | 'messages' |
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| 361 | stop |
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| 362 | endif |
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| 363 | |
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| 364 | if(levdiff2.eq.0) then |
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| 365 | iwmax=nlev_ec+1 |
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| 366 | do i=0,nxmin1 |
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| 367 | do j=0,nymin1 |
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| 368 | wwh(i,j,nlev_ec+1)=0. |
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| 369 | end do |
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| 370 | end do |
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| 371 | endif |
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| 372 | |
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| 373 | ! convert from ECMWF etadot to etadot*dp/deta as needed by FLEXPART |
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| 374 | if(etacon.eqv..true.) then |
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| 375 | do k=1,nwzmax |
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| 376 | dak=akm(k+1)-akm(k) |
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| 377 | dbk=bkm(k+1)-bkm(k) |
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| 378 | do i=0,nxmin1 |
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| 379 | do j=0,nymin1 |
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| 380 | wwh(i,j,k)=2*wwh(i,j,k)*ps(i,j,1,n)*(dak/ps(i,j,1,n)+dbk)/(dak/p00+dbk) |
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| 381 | if (k.gt.1) then |
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| 382 | wwh(i,j,k)=wwh(i,j,k)-wwh(i,j,k-1) |
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| 383 | endif |
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| 384 | end do |
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| 385 | end do |
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| 386 | end do |
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| 387 | endif |
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| 388 | |
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| 389 | ! For global fields, assign the leftmost data column also to the rightmost |
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| 390 | ! data column; if required, shift whole grid by nxshift grid points |
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| 391 | !************************************************************************* |
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| 392 | |
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| 393 | if (xglobal) then |
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| 394 | call shift_field_0(ewss,nxfield,ny) |
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| 395 | call shift_field_0(nsss,nxfield,ny) |
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| 396 | call shift_field_0(oro,nxfield,ny) |
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| 397 | call shift_field_0(excessoro,nxfield,ny) |
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| 398 | call shift_field_0(lsm,nxfield,ny) |
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| 399 | call shift_field(ps,nxfield,ny,1,1,2,n) |
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| 400 | call shift_field(sd,nxfield,ny,1,1,2,n) |
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| 401 | call shift_field(msl,nxfield,ny,1,1,2,n) |
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| 402 | call shift_field(tcc,nxfield,ny,1,1,2,n) |
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| 403 | call shift_field(u10,nxfield,ny,1,1,2,n) |
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| 404 | call shift_field(v10,nxfield,ny,1,1,2,n) |
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| 405 | call shift_field(tt2,nxfield,ny,1,1,2,n) |
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| 406 | call shift_field(td2,nxfield,ny,1,1,2,n) |
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| 407 | call shift_field(lsprec,nxfield,ny,1,1,2,n) |
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| 408 | call shift_field(convprec,nxfield,ny,1,1,2,n) |
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| 409 | call shift_field(sshf,nxfield,ny,1,1,2,n) |
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| 410 | call shift_field(ssr,nxfield,ny,1,1,2,n) |
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| 411 | call shift_field(tth,nxfield,ny,nuvzmax,nuvz,2,n) |
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| 412 | call shift_field(qvh,nxfield,ny,nuvzmax,nuvz,2,n) |
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| 413 | call shift_field(uuh,nxfield,ny,nuvzmax,nuvz,1,1) |
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| 414 | call shift_field(vvh,nxfield,ny,nuvzmax,nuvz,1,1) |
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| 415 | call shift_field(wwh,nxfield,ny,nwzmax,nwz,1,1) |
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| 416 | endif |
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| 417 | |
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| 418 | do i=0,nxmin1 |
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| 419 | do j=0,nymin1 |
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| 420 | surfstr(i,j,1,n)=sqrt(ewss(i,j)**2+nsss(i,j)**2) |
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| 421 | end do |
|---|
| 422 | end do |
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| 423 | |
|---|
| 424 | if ((.not.hflswitch).or.(.not.strswitch)) then |
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| 425 | write(*,*) 'WARNING: No flux data contained in GRIB file ', & |
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| 426 | wfname(indj) |
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| 427 | |
|---|
| 428 | ! CALCULATE USTAR AND SSHF USING THE PROFILE METHOD |
|---|
| 429 | ! As ECMWF has increased the model resolution, such that now the first model |
|---|
| 430 | ! level is at about 10 m (where 10-m wind is given), use the 2nd ECMWF level |
|---|
| 431 | ! (3rd model level in FLEXPART) for the profile method |
|---|
| 432 | !*************************************************************************** |
|---|
| 433 | |
|---|
| 434 | do i=0,nxmin1 |
|---|
| 435 | do j=0,nymin1 |
|---|
| 436 | plev1=akz(3)+bkz(3)*ps(i,j,1,n) |
|---|
| 437 | pmean=0.5*(ps(i,j,1,n)+plev1) |
|---|
| 438 | tv=tth(i,j,3,n)*(1.+0.61*qvh(i,j,3,n)) |
|---|
| 439 | fu=-r_air*tv/ga/pmean |
|---|
| 440 | hlev1=fu*(plev1-ps(i,j,1,n)) ! HEIGTH OF FIRST MODEL LAYER |
|---|
| 441 | ff10m= sqrt(u10(i,j,1,n)**2+v10(i,j,1,n)**2) |
|---|
| 442 | fflev1=sqrt(uuh(i,j,3)**2+vvh(i,j,3)**2) |
|---|
| 443 | call pbl_profile(ps(i,j,1,n),td2(i,j,1,n),hlev1, & |
|---|
| 444 | tt2(i,j,1,n),tth(i,j,3,n),ff10m,fflev1, & |
|---|
| 445 | surfstr(i,j,1,n),sshf(i,j,1,n)) |
|---|
| 446 | if(sshf(i,j,1,n).gt.200.) sshf(i,j,1,n)=200. |
|---|
| 447 | if(sshf(i,j,1,n).lt.-400.) sshf(i,j,1,n)=-400. |
|---|
| 448 | end do |
|---|
| 449 | end do |
|---|
| 450 | endif |
|---|
| 451 | |
|---|
| 452 | |
|---|
| 453 | ! Assign 10 m wind to model level at eta=1.0 to have one additional model |
|---|
| 454 | ! level at the ground |
|---|
| 455 | ! Specific humidity is taken the same as at one level above |
|---|
| 456 | ! Temperature is taken as 2 m temperature |
|---|
| 457 | !************************************************************************** |
|---|
| 458 | |
|---|
| 459 | do i=0,nxmin1 |
|---|
| 460 | do j=0,nymin1 |
|---|
| 461 | uuh(i,j,1)=u10(i,j,1,n) |
|---|
| 462 | vvh(i,j,1)=v10(i,j,1,n) |
|---|
| 463 | qvh(i,j,1,n)=qvh(i,j,2,n) |
|---|
| 464 | tth(i,j,1,n)=tt2(i,j,1,n) |
|---|
| 465 | end do |
|---|
| 466 | end do |
|---|
| 467 | |
|---|
| 468 | if(iumax.ne.nuvz-1) stop 'READWIND: NUVZ NOT CONSISTENT' |
|---|
| 469 | if(iwmax.ne.nwz) stop 'READWIND: NWZ NOT CONSISTENT' |
|---|
| 470 | |
|---|
| 471 | return |
|---|
| 472 | 888 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
|---|
| 473 | write(*,*) ' #### ',wfname(indj),' #### ' |
|---|
| 474 | write(*,*) ' #### IS NOT GRIB FORMAT !!! #### ' |
|---|
| 475 | stop 'Execution terminated' |
|---|
| 476 | 999 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' |
|---|
| 477 | write(*,*) ' #### ',wfname(indj),' #### ' |
|---|
| 478 | write(*,*) ' #### CANNOT BE OPENED !!! #### ' |
|---|
| 479 | stop 'Execution terminated' |
|---|
| 480 | |
|---|
| 481 | end subroutine readwind |
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