! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt ! SPDX-License-Identifier: GPL-3.0-or-later subroutine readwind_gfs(indj,n,uuh,vvh,wwh) !*********************************************************************** !* * !* TRAJECTORY MODEL SUBROUTINE READWIND * !* * !*********************************************************************** !* * !* AUTHOR: G. WOTAWA * !* DATE: 1997-08-05 * !* LAST UPDATE: 2000-10-17, Andreas Stohl * !* CHANGE: 01/02/2001, Bernd C. Krueger, Variables tth and * !* qvh (on eta coordinates) in common block * !* CHANGE: 16/11/2005, Caroline Forster, GFS data * !* CHANGE: 11/01/2008, Harald Sodemann, Input of GRIB1/2 * !* data with the ECMWF grib_api library * !* CHANGE: 03/12/2008, Harald Sodemann, update to f90 with * !* ECMWF grib_api * ! * ! Unified ECMWF and GFS builds * ! Marian Harustak, 12.5.2017 * ! - Renamed routine from readwind to readwind_gfs * !* * !*********************************************************************** !* * !* DESCRIPTION: * !* * !* READING OF ECMWF METEOROLOGICAL FIELDS FROM INPUT DATA FILES. THE * !* INPUT DATA FILES ARE EXPECTED TO BE AVAILABLE IN GRIB CODE * !* * !* INPUT: * !* indj indicates number of the wind field to be read in * !* n temporal index for meteorological fields (1 to 3)* !* * !* IMPORTANT VARIABLES FROM COMMON BLOCK: * !* * !* wfname File name of data to be read in * !* nx,ny,nuvz,nwz expected field dimensions * !* nlev_ec number of vertical levels ecmwf model * !* uu,vv,ww wind fields * !* tt,qv temperature and specific humidity * !* ps surface pressure * !* * !*********************************************************************** use eccodes use par_mod use com_mod implicit none !HSO new parameters for grib_api integer :: ifile integer :: iret integer :: igrib integer :: gribVer,parCat,parNum,typSurf,valSurf,discipl !HSO end edits real :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) real :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) real :: wwh(0:nxmax-1,0:nymax-1,nwzmax) integer :: ii,indj,i,j,k,n,levdiff2,ifield,iumax,iwmax ! NCEP integer :: numpt,numpu,numpv,numpw,numprh,numpclwch real :: help, temp, ew real :: elev real :: ulev1(0:nxmax-1,0:nymax-1),vlev1(0:nxmax-1,0:nymax-1) real :: tlev1(0:nxmax-1,0:nymax-1) real :: qvh2(0:nxmax-1,0:nymax-1) integer :: i180 ! VARIABLES AND ARRAYS NEEDED FOR GRIB DECODING !HSO kept isec1, isec2 and zsec4 for consistency with gribex GRIB input integer :: isec1(8),isec2(3) real :: xsec18 real(kind=4) :: zsec4(jpunp) real(kind=4) :: xaux,yaux,xaux0,yaux0 real,parameter :: eps=spacing(2.0_4*360.0_4) real(kind=8) :: xauxin,yauxin real(kind=4) :: ewss(0:nxmax-1,0:nymax-1),nsss(0:nxmax-1,0:nymax-1) real :: plev1,hlev1,ff10m,fflev1 logical :: hflswitch,strswitch !HSO for grib api error messages character(len=24) :: gribErrorMsg = 'Error reading grib file' character(len=20) :: gribFunction = 'readwind_gfs' character(len=20) :: shortname hflswitch=.false. strswitch=.false. levdiff2=nlev_ec-nwz+1 iumax=0 iwmax=0 ! OPENING OF DATA FILE (GRIB CODE) !HSO call grib_open_file(ifile,path(3)(1:length(3)) & //trim(wfname(indj)),'r',iret) if (iret.ne.GRIB_SUCCESS) then goto 888 ! ERROR DETECTED endif !turn on support for multi fields messages call grib_multi_support_on numpt=0 numpu=0 numpv=0 numpw=0 numprh=0 numpclwch=0 ifield=0 10 ifield=ifield+1 ! ! GET NEXT FIELDS ! call grib_new_from_file(ifile,igrib,iret) if (iret.eq.GRIB_END_OF_FILE) then goto 50 ! EOF DETECTED elseif (iret.ne.GRIB_SUCCESS) then goto 888 ! ERROR DETECTED endif !first see if we read GRIB1 or GRIB2 call grib_get_int(igrib,'editionNumber',gribVer,iret) ! call grib_check(iret,gribFunction,gribErrorMsg) if (gribVer.eq.1) then ! GRIB Edition 1 !read the grib1 identifiers call grib_get_int(igrib,'indicatorOfParameter',isec1(6),iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'indicatorOfTypeOfLevel',isec1(7),iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'level',isec1(8),iret) call grib_check(iret,gribFunction,gribErrorMsg) !JMA / SH: isec1(8) not evaluated any more below !b/c with GRIB 2 this may be a real variable xsec18 = real(isec1(8)) else ! GRIB Edition 2 !read the grib2 identifiers call grib_get_string(igrib,'shortName',shortname,iret) call grib_get_int(igrib,'discipline',discipl,iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'parameterCategory',parCat,iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'parameterNumber',parNum,iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'typeOfFirstFixedSurface',typSurf,iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'scaledValueOfFirstFixedSurface', & valSurf,iret) call grib_check(iret,gribFunction,gribErrorMsg) ! write(*,*) 'Field: ',ifield,parCat,parNum,typSurf,shortname !convert to grib1 identifiers isec1(6:8)=-1 xsec18 =-1.0 !JMA / SH: isec1(8) not evaluated any more below !b/c with GRIB 2 this may be a real variable if ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.100)) then ! T isec1(6)=11 ! indicatorOfParameter isec1(7)=100 ! indicatorOfTypeOfLevel xsec18=valSurf/100.0 ! level, convert to hPa elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.100)) then ! U isec1(6)=33 ! indicatorOfParameter isec1(7)=100 ! indicatorOfTypeOfLevel xsec18=valSurf/100.0 ! level, convert to hPa elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.100)) then ! V isec1(6)=34 ! indicatorOfParameter isec1(7)=100 ! indicatorOfTypeOfLevel xsec18=valSurf/100.0 ! level, convert to hPa elseif ((parCat.eq.2).and.(parNum.eq.8).and.(typSurf.eq.100)) then ! W isec1(6)=39 ! indicatorOfParameter isec1(7)=100 ! indicatorOfTypeOfLevel xsec18=valSurf/100.0 ! level, convert to hPa elseif ((parCat.eq.1).and.(parNum.eq.1).and.(typSurf.eq.100)) then ! RH isec1(6)=52 ! indicatorOfParameter isec1(7)=100 ! indicatorOfTypeOfLevel xsec18=valSurf/100.0 ! level, convert to hPa elseif ((parCat.eq.1).and.(parNum.eq.1).and.(typSurf.eq.103)) then ! RH2 isec1(6)=52 ! indicatorOfParameter isec1(7)=105 ! indicatorOfTypeOfLevel xsec18=real(2) elseif ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.103)) then ! T2 isec1(6)=11 ! indicatorOfParameter isec1(7)=105 ! indicatorOfTypeOfLevel xsec18=real(2) elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.103)) then ! U10 isec1(6)=33 ! indicatorOfParameter isec1(7)=105 ! indicatorOfTypeOfLevel xsec18=real(10) elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.103)) then ! V10 isec1(6)=34 ! indicatorOfParameter isec1(7)=105 ! indicatorOfTypeOfLevel xsec18=real(10) elseif ((parCat.eq.1).and.(parNum.eq.22).and.(typSurf.eq.100)) then ! CLWMR Cloud Mixing Ratio [kg/kg]: isec1(6)=153 ! indicatorOfParameter isec1(7)=100 ! indicatorOfTypeOfLevel xsec18=valSurf/100.0 ! level, convert to hPa elseif ((parCat.eq.3).and.(parNum.eq.1).and.(typSurf.eq.101)) then ! SLP isec1(6)=2 ! indicatorOfParameter isec1(7)=102 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.3).and.(parNum.eq.0).and.(typSurf.eq.1)) then ! SP isec1(6)=1 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.1).and.(parNum.eq.13).and.(typSurf.eq.1)) then ! SNOW isec1(6)=66 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.104)) then ! T sigma 0 isec1(6)=11 ! indicatorOfParameter isec1(7)=107 ! indicatorOfTypeOfLevel xsec18=0.995 ! lowest sigma level elseif ((parCat.eq.2).and.(parNum.eq.2).and.(typSurf.eq.104)) then ! U sigma 0 isec1(6)=33 ! indicatorOfParameter isec1(7)=107 ! indicatorOfTypeOfLevel xsec18=0.995 ! lowest sigma level elseif ((parCat.eq.2).and.(parNum.eq.3).and.(typSurf.eq.104)) then ! V sigma 0 isec1(6)=34 ! indicatorOfParameter isec1(7)=107 ! indicatorOfTypeOfLevel xsec18=0.995 ! lowest sigma level elseif ((parCat.eq.3).and.(parNum.eq.5).and.(typSurf.eq.1)) then ! TOPO isec1(6)=7 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.0).and.(parNum.eq.0).and.(typSurf.eq.1) & .and.(discipl.eq.2)) then ! LSM isec1(6)=81 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.3).and.(parNum.eq.196).and.(typSurf.eq.1)) then ! BLH isec1(6)=221 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.1).and.(parNum.eq.7).and.(typSurf.eq.1)) then ! LSP/TP isec1(6)=62 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) elseif ((parCat.eq.1).and.(parNum.eq.196).and.(typSurf.eq.1)) then ! CP isec1(6)=63 ! indicatorOfParameter isec1(7)=1 ! indicatorOfTypeOfLevel xsec18=real(0) endif endif ! gribVer if (isec1(6).ne.-1) then ! get the size and data of the values array call grib_get_real4_array(igrib,'values',zsec4,iret) call grib_check(iret,gribFunction,gribErrorMsg) endif if(ifield.eq.1) then !get the required fields from section 2 !store compatible to gribex input call grib_get_int(igrib,'numberOfPointsAlongAParallel', & isec2(2),iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_int(igrib,'numberOfPointsAlongAMeridian', & isec2(3),iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_real8(igrib,'longitudeOfFirstGridPointInDegrees', & xauxin,iret) call grib_check(iret,gribFunction,gribErrorMsg) call grib_get_real8(igrib,'latitudeOfLastGridPointInDegrees', & yauxin,iret) call grib_check(iret,gribFunction,gribErrorMsg) xaux=xauxin+real(nxshift)*dx yaux=yauxin ! CHECK GRID SPECIFICATIONS if(isec2(2).ne.nxfield) stop 'READWIND: NX NOT CONSISTENT' if(isec2(3).ne.ny) stop 'READWIND: NY NOT CONSISTENT' if(xaux.eq.0.) xaux=-180.0 ! NCEP DATA xaux0=xlon0 yaux0=ylat0 if(xaux.lt.0.) xaux=xaux+360. if(yaux.lt.0.) yaux=yaux+360. if(xaux0.lt.0.) xaux0=xaux0+360. if(yaux0.lt.0.) yaux0=yaux0+360. if(abs(xaux-xaux0).gt.eps) then write (*, *) xaux, xaux0 stop 'READWIND: LOWER LEFT LONGITUDE NOT CONSISTENT' endif if(abs(yaux-yaux0).gt.eps) then write (*, *) yaux, yaux0 stop 'READWIND: LOWER LEFT LATITUDE NOT CONSISTENT' end if endif !HSO end of edits i180=nint(180./dx) if (isec1(6).ne.-1) then ! write (*, *) 'nxfield: ', nxfield, i180 do j=0,nymin1 do i=0,nxfield-1 if((isec1(6).eq.011).and.(isec1(7).eq.100)) then ! TEMPERATURE if((i.eq.0).and.(j.eq.0)) then do ii=1,nuvz+1 write(*,*) 'xsec18, akz(ii), xsec18*100.0-akz(ii), spacing(akz(ii), spacing(xsec18*100.0)',& & xsec18, akz(ii), xsec18*100.0-akz(ii), spacing(akz(ii)), spacing(xsec18*100.0) if (abs(xsec18*100.0-akz(ii)) < & 10.0*max(spacing(akz(ii)),spacing(xsec18*100.0))) then numpt=ii end if end do endif help=zsec4(nxfield*(ny-j-1)+i+1) if (help.eq.0) then write (*, *) 'i, j: ', i, j stop 'help == 0.0' endif if(i.lt.i180) then ! ESO: dbg out-of-bounds issue if (numpt < 1) then write(*,*) 'nuvzmax, nuvz', nuvzmax, nuvz write(*,*) 'i180+i,j,numpt,n', i180+i,j,numpt,n end if tth(i180+i,j,numpt,n)=help else tth(i-i180,j,numpt,n)=help endif endif if((isec1(6).eq.033).and.(isec1(7).eq.100)) then ! U VELOCITY if((i.eq.0).and.(j.eq.0)) then do ii=1,nuvz if (abs(xsec18*100.0-akz(ii)) < & 10.0*max(spacing(akz(ii)),spacing(xsec18*100.0))) then numpu=ii end if end do endif help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then uuh(i180+i,j,numpu)=help else uuh(i-i180,j,numpu)=help endif endif if((isec1(6).eq.034).and.(isec1(7).eq.100)) then ! V VELOCITY if((i.eq.0).and.(j.eq.0)) then do ii=1,nuvz if (abs(xsec18*100.0-akz(ii)) < & 10.0*max(spacing(akz(ii)),spacing(xsec18*100.0))) then numpv=ii end if end do endif help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then vvh(i180+i,j,numpv)=help else vvh(i-i180,j,numpv)=help endif endif if((isec1(6).eq.052).and.(isec1(7).eq.100)) then ! RELATIVE HUMIDITY -> CONVERT TO SPECIFIC HUMIDITY LATER if((i.eq.0).and.(j.eq.0)) then do ii=1,nuvz if (abs(xsec18*100.0-akz(ii)) < & 10.0*max(spacing(akz(ii)),spacing(xsec18*100.0))) then numprh=ii end if end do endif help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then qvh(i180+i,j,numprh,n)=help else qvh(i-i180,j,numprh,n)=help endif endif if((isec1(6).eq.001).and.(isec1(7).eq.001)) then ! SURFACE PRESSURE help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then ps(i180+i,j,1,n)=help else ps(i-i180,j,1,n)=help endif endif if((isec1(6).eq.039).and.(isec1(7).eq.100)) then ! W VELOCITY if((i.eq.0).and.(j.eq.0)) then do ii=1,nuvz if ((xsec18*100.0).eq.akz(ii)) numpw=ii end do endif help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then wwh(i180+i,j,numpw)=help else wwh(i-i180,j,numpw)=help endif endif if((isec1(6).eq.066).and.(isec1(7).eq.001)) then ! SNOW DEPTH help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then sd(i180+i,j,1,n)=help else sd(i-i180,j,1,n)=help endif endif if((isec1(6).eq.002).and.(isec1(7).eq.102)) then ! MEAN SEA LEVEL PRESSURE help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then msl(i180+i,j,1,n)=help else msl(i-i180,j,1,n)=help endif endif if((isec1(6).eq.071).and.(isec1(7).eq.244)) then ! TOTAL CLOUD COVER help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then tcc(i180+i,j,1,n)=help else tcc(i-i180,j,1,n)=help endif endif if((isec1(6).eq.033).and.(isec1(7).eq.105).and. & (nint(xsec18).eq.10)) then ! 10 M U VELOCITY help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then u10(i180+i,j,1,n)=help else u10(i-i180,j,1,n)=help endif endif if((isec1(6).eq.034).and.(isec1(7).eq.105).and. & (nint(xsec18).eq.10)) then ! 10 M V VELOCITY help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then v10(i180+i,j,1,n)=help else v10(i-i180,j,1,n)=help endif endif if((isec1(6).eq.011).and.(isec1(7).eq.105).and. & (nint(xsec18).eq.2)) then ! 2 M TEMPERATURE help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then tt2(i180+i,j,1,n)=help else tt2(i-i180,j,1,n)=help endif endif if((isec1(6).eq.017).and.(isec1(7).eq.105).and. & (nint(xsec18).eq.2)) then ! 2 M DEW POINT TEMPERATURE help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then td2(i180+i,j,1,n)=help else td2(i-i180,j,1,n)=help endif endif if((isec1(6).eq.062).and.(isec1(7).eq.001)) then ! LARGE SCALE PREC. help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then lsprec(i180+i,j,1,n)=help else lsprec(i-i180,j,1,n)=help endif endif if((isec1(6).eq.063).and.(isec1(7).eq.001)) then ! CONVECTIVE PREC. help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then convprec(i180+i,j,1,n)=help else convprec(i-i180,j,1,n)=help endif endif if((isec1(6).eq.007).and.(isec1(7).eq.001)) then ! TOPOGRAPHY help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then oro(i180+i,j)=help excessoro(i180+i,j)=0.0 ! ISOBARIC SURFACES: SUBGRID TERRAIN DISREGARDED else oro(i-i180,j)=help excessoro(i-i180,j)=0.0 ! ISOBARIC SURFACES: SUBGRID TERRAIN DISREGARDED endif endif if((isec1(6).eq.081).and.(isec1(7).eq.001)) then ! LAND SEA MASK help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then lsm(i180+i,j)=help else lsm(i-i180,j)=help endif endif if((isec1(6).eq.221).and.(isec1(7).eq.001)) then ! MIXING HEIGHT help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then hmix(i180+i,j,1,n)=help else hmix(i-i180,j,1,n)=help endif endif if((isec1(6).eq.052).and.(isec1(7).eq.105).and. & (nint(xsec18).eq.02)) then ! 2 M RELATIVE HUMIDITY help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then qvh2(i180+i,j)=help else qvh2(i-i180,j)=help endif endif if((isec1(6).eq.011).and.(isec1(7).eq.107)) then ! TEMPERATURE LOWEST SIGMA LEVEL help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then tlev1(i180+i,j)=help else tlev1(i-i180,j)=help endif endif if((isec1(6).eq.033).and.(isec1(7).eq.107)) then ! U VELOCITY LOWEST SIGMA LEVEL help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then ulev1(i180+i,j)=help else ulev1(i-i180,j)=help endif endif if((isec1(6).eq.034).and.(isec1(7).eq.107)) then ! V VELOCITY LOWEST SIGMA LEVEL help=zsec4(nxfield*(ny-j-1)+i+1) if(i.lt.i180) then vlev1(i180+i,j)=help else vlev1(i-i180,j)=help endif endif ! SEC & IP 12/2018 read GFS clouds ! ESO TODO: do as for hachinger version ! if((isec1(6).eq.153).and.(isec1(7).eq.100)) then !! CLWCR Cloud liquid water content [kg/kg] ! if((i.eq.0).and.(j.eq.0)) then ! do ii=1,nuvz ! if ((isec1(8)*100.0).eq.akz(ii)) numpclwch=ii ! end do ! endif ! help=zsec4(nxfield*(ny-j-1)+i+1) ! if(i.le.i180) then ! clwch(i179+i,j,numpclwch,n)=help ! else ! clwch(i-i181,j,numpclwch,n)=help ! endif ! readclouds=.true. ! sumclouds=.true. ! endif end do end do endif if((isec1(6).eq.33).and.(isec1(7).eq.100)) then ! NCEP ISOBARIC LEVELS iumax=iumax+1 endif call grib_release(igrib) goto 10 !! READ NEXT LEVEL OR PARAMETER ! ! CLOSING OF INPUT DATA FILE ! !HSO close grib file 50 continue call grib_close_file(ifile) ! SENS. HEAT FLUX sshf(:,:,1,n)=0.0 ! not available from gfs.tccz.pgrbfxx files hflswitch=.false. ! Heat flux not available ! SOLAR RADIATIVE FLUXES ssr(:,:,1,n)=0.0 ! not available from gfs.tccz.pgrbfxx files ! EW SURFACE STRESS ewss=0.0 ! not available from gfs.tccz.pgrbfxx files ! NS SURFACE STRESS nsss=0.0 ! not available from gfs.tccz.pgrbfxx files strswitch=.false. ! stress not available ! CONVERT TP TO LSP (GRIB2 only) if (gribVer.eq.2) then lsprec(0:nxfield-1, 0:nymin1, 1, n) = max( 0.0 , lsprec(0:nxfield-1,0:nymin1,1,n)-convprec(0:nxfield-1,0:nymin1,1,n) ) endif !HSO end edits ! TRANSFORM RH TO SPECIFIC HUMIDITY do j=0,ny-1 do i=0,nxfield-1 do k=1,nuvz help=qvh(i,j,k,n) temp=tth(i,j,k,n) if (temp .eq. 0.0) then write (*, *) i, j, k, n temp = 273.0 endif plev1=akm(k)+bkm(k)*ps(i,j,1,n) elev=ew(temp)*help/100.0 qvh(i,j,k,n)=xmwml*(elev/(plev1-((1.0-xmwml)*elev))) end do end do end do ! CALCULATE 2 M DEW POINT FROM 2 M RELATIVE HUMIDITY ! USING BOLTON'S (1980) FORMULA ! BECAUSE td2 IS NOT AVAILABLE FROM NCEP GFS DATA do j=0,ny-1 do i=0,nxfield-1 help=qvh2(i,j) temp=tt2(i,j,1,n) if (temp .eq. 0.0) then write (*, *) i, j, n temp = 273.0 endif elev=ew(temp)/100.*help/100. !vapour pressure in hPa td2(i,j,1,n)=243.5/(17.67/log(elev/6.112)-1)+273. if (help.le.0.) td2(i,j,1,n)=tt2(i,j,1,n) end do end do if(levdiff2.eq.0) then iwmax=nlev_ec+1 do i=0,nxmin1 do j=0,nymin1 wwh(i,j,nlev_ec+1)=0. end do end do endif ! For global fields, assign the leftmost data column also to the rightmost ! data column; if required, shift whole grid by nxshift grid points !************************************************************************* if (xglobal) then call shift_field_0(ewss,nxfield,ny) call shift_field_0(nsss,nxfield,ny) call shift_field_0(oro,nxfield,ny) call shift_field_0(excessoro,nxfield,ny) call shift_field_0(lsm,nxfield,ny) call shift_field_0(ulev1,nxfield,ny) call shift_field_0(vlev1,nxfield,ny) call shift_field_0(tlev1,nxfield,ny) call shift_field_0(qvh2,nxfield,ny) call shift_field(ps,nxfield,ny,1,1,2,n) call shift_field(sd,nxfield,ny,1,1,2,n) call shift_field(msl,nxfield,ny,1,1,2,n) call shift_field(tcc,nxfield,ny,1,1,2,n) call shift_field(u10,nxfield,ny,1,1,2,n) call shift_field(v10,nxfield,ny,1,1,2,n) call shift_field(tt2,nxfield,ny,1,1,2,n) call shift_field(td2,nxfield,ny,1,1,2,n) call shift_field(lsprec,nxfield,ny,1,1,2,n) call shift_field(convprec,nxfield,ny,1,1,2,n) call shift_field(sshf,nxfield,ny,1,1,2,n) call shift_field(ssr,nxfield,ny,1,1,2,n) call shift_field(hmix,nxfield,ny,1,1,2,n) call shift_field(tth,nxfield,ny,nuvzmax,nuvz,2,n) call shift_field(qvh,nxfield,ny,nuvzmax,nuvz,2,n) call shift_field(uuh,nxfield,ny,nuvzmax,nuvz,1,1) call shift_field(vvh,nxfield,ny,nuvzmax,nuvz,1,1) call shift_field(wwh,nxfield,ny,nwzmax,nwz,1,1) ! IP & SEC adding GFS Clouds 20181205 call shift_field(clwch,nxfield,ny,nuvzmax,nuvz,2,n) endif do i=0,nxmin1 do j=0,nymin1 ! Convert precip. from mm/s -> mm/hour convprec(i,j,1,n)=convprec(i,j,1,n)*3600. lsprec(i,j,1,n)=lsprec(i,j,1,n)*3600. surfstr(i,j,1,n)=sqrt(ewss(i,j)**2+nsss(i,j)**2) end do end do if ((.not.hflswitch).or.(.not.strswitch)) then ! write(*,*) 'WARNING: No flux data contained in GRIB file ', ! + wfname(indj) ! CALCULATE USTAR AND SSHF USING THE PROFILE METHOD !*************************************************************************** do i=0,nxmin1 do j=0,nymin1 hlev1=30.0 ! HEIGHT OF FIRST MODEL SIGMA LAYER ff10m= sqrt(u10(i,j,1,n)**2+v10(i,j,1,n)**2) fflev1=sqrt(ulev1(i,j)**2+vlev1(i,j)**2) call pbl_profile(ps(i,j,1,n),td2(i,j,1,n),hlev1, & tt2(i,j,1,n),tlev1(i,j),ff10m,fflev1, & surfstr(i,j,1,n),sshf(i,j,1,n)) if(sshf(i,j,1,n).gt.200.) sshf(i,j,1,n)=200. if(sshf(i,j,1,n).lt.-400.) sshf(i,j,1,n)=-400. end do end do endif if(iumax.ne.nuvz) stop 'READWIND: NUVZ NOT CONSISTENT' if(iumax.ne.nwz) stop 'READWIND: NWZ NOT CONSISTENT' return 888 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' write(*,*) ' #### ',wfname(indj),' #### ' write(*,*) ' #### IS NOT GRIB FORMAT !!! #### ' stop 'Execution terminated' 999 write(*,*) ' #### FLEXPART MODEL ERROR! WINDFIELD #### ' write(*,*) ' #### ',wfname(indj),' #### ' write(*,*) ' #### CANNOT BE OPENED !!! #### ' stop 'Execution terminated' end subroutine readwind_gfs