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!**********************************************************************
! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 *
! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, *
! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann *
! *
! This file is part of FLEXPART. *
! *
! FLEXPART is free software: you can redistribute it and/or modify *
! it under the terms of the GNU General Public License as published by*
! the Free Software Foundation, either version 3 of the License, or *
! (at your option) any later version. *
! *
! FLEXPART is distributed in the hope that it will be useful, *
! but WITHOUT ANY WARRANTY; without even the implied warranty of *
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
! GNU General Public License for more details. *
! *
! You should have received a copy of the GNU General Public License *
! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. *
!**********************************************************************
subroutine partoutput(itime)
! i
!*****************************************************************************
! *
! Dump all particle positions *
! *
! Author: A. Stohl *
! *
! 12 March 1999 *
! *
!*****************************************************************************
! *
! Variables: *
! *
!*****************************************************************************
use par_mod
use com_mod
implicit none
real(kind=dp) :: jul
integer :: itime,i,j,jjjjmmdd,ihmmss
integer :: ix,jy,ixp,jyp,indexh,m,il,ind,indz,indzp
real :: xlon,ylat
real :: dt1,dt2,dtt,ddx,ddy,rddx,rddy,p1,p2,p3,p4,dz1,dz2,dz
real :: topo,hm(2),hmixi,pv1(2),pvprof(2),pvi,qv1(2),qvprof(2),qvi
real :: tt1(2),ttprof(2),tti,rho1(2),rhoprof(2),rhoi
real :: tr(2),tri
character :: adate*8,atime*6
! Determine current calendar date, needed for the file name
!**********************************************************
jul=bdate+real(itime,kind=dp)/86400._dp
call caldate(jul,jjjjmmdd,ihmmss)
write(adate,'(i8.8)') jjjjmmdd
write(atime,'(i6.6)') ihmmss
! Some variables needed for temporal interpolation
!*************************************************
dt1=real(itime-memtime(1))
dt2=real(memtime(2)-itime)
dtt=1./(dt1+dt2)
! Open output file and write the output
!**************************************
if (ipout.eq.1) then
open(unitpartout,file=path(2)(1:length(2))//'partposit_'//adate// &
atime,form='unformatted')
else
open(unitpartout,file=path(2)(1:length(2))//'partposit_end', &
form='unformatted')
endif
! Write current time to file
!***************************
write(unitpartout) itime
do i=1,numpart
! Take only valid particles
!**************************
if (itra1(i).eq.itime) then
xlon=xlon0+xtra1(i)*dx
ylat=ylat0+ytra1(i)*dy
!*****************************************************************************
! Interpolate several variables (PV, specific humidity, etc.) to particle position
!*****************************************************************************
ix=xtra1(i)
jy=ytra1(i)
ixp=ix+1
jyp=jy+1
ddx=xtra1(i)-real(ix)
ddy=ytra1(i)-real(jy)
rddx=1.-ddx
rddy=1.-ddy
p1=rddx*rddy
p2=ddx*rddy
p3=rddx*ddy
p4=ddx*ddy
! Topography
!***********
topo=p1*oro(ix ,jy) &
+ p2*oro(ixp,jy) &
+ p3*oro(ix ,jyp) &
+ p4*oro(ixp,jyp)
! Potential vorticity, specific humidity, temperature, and density
!*****************************************************************
do il=2,nz
if (height(il).gt.ztra1(i)) then
indz=il-1
indzp=il
goto 6
endif
end do
6 continue
dz1=ztra1(i)-height(indz)
dz2=height(indzp)-ztra1(i)
dz=1./(dz1+dz2)
do ind=indz,indzp
do m=1,2
indexh=memind(m)
! Potential vorticity
pv1(m)=p1*pv(ix ,jy ,ind,indexh) &
+p2*pv(ixp,jy ,ind,indexh) &
+p3*pv(ix ,jyp,ind,indexh) &
+p4*pv(ixp,jyp,ind,indexh)
! Specific humidity
qv1(m)=p1*qv(ix ,jy ,ind,indexh) &
+p2*qv(ixp,jy ,ind,indexh) &
+p3*qv(ix ,jyp,ind,indexh) &
+p4*qv(ixp,jyp,ind,indexh)
! Temperature
tt1(m)=p1*tt(ix ,jy ,ind,indexh) &
+p2*tt(ixp,jy ,ind,indexh) &
+p3*tt(ix ,jyp,ind,indexh) &
+p4*tt(ixp,jyp,ind,indexh)
! Density
rho1(m)=p1*rho(ix ,jy ,ind,indexh) &
+p2*rho(ixp,jy ,ind,indexh) &
+p3*rho(ix ,jyp,ind,indexh) &
+p4*rho(ixp,jyp,ind,indexh)
end do
pvprof(ind-indz+1)=(pv1(1)*dt2+pv1(2)*dt1)*dtt
qvprof(ind-indz+1)=(qv1(1)*dt2+qv1(2)*dt1)*dtt
ttprof(ind-indz+1)=(tt1(1)*dt2+tt1(2)*dt1)*dtt
rhoprof(ind-indz+1)=(rho1(1)*dt2+rho1(2)*dt1)*dtt
end do
pvi=(dz1*pvprof(2)+dz2*pvprof(1))*dz
qvi=(dz1*qvprof(2)+dz2*qvprof(1))*dz
tti=(dz1*ttprof(2)+dz2*ttprof(1))*dz
rhoi=(dz1*rhoprof(2)+dz2*rhoprof(1))*dz
! Tropopause and PBL height
!**************************
do m=1,2
indexh=memind(m)
! Tropopause
tr(m)=p1*tropopause(ix ,jy ,1,indexh) &
+ p2*tropopause(ixp,jy ,1,indexh) &
+ p3*tropopause(ix ,jyp,1,indexh) &
+ p4*tropopause(ixp,jyp,1,indexh)
! PBL height
hm(m)=p1*hmix(ix ,jy ,1,indexh) &
+ p2*hmix(ixp,jy ,1,indexh) &
+ p3*hmix(ix ,jyp,1,indexh) &
+ p4*hmix(ixp,jyp,1,indexh)
end do
hmixi=(hm(1)*dt2+hm(2)*dt1)*dtt
tri=(tr(1)*dt2+tr(2)*dt1)*dtt
! Write the output
!*****************
write(unitpartout) npoint(i),xlon,ylat,ztra1(i), &
itramem(i),topo,pvi,qvi,rhoi,hmixi,tri,tti, &
(xmass1(i,j),j=1,nspec)
endif
end do
write(unitpartout) -99999,-9999.9,-9999.9,-9999.9,-99999, &
-9999.9,-9999.9,-9999.9,-9999.9,-9999.9,-9999.9,-9999.9, &
(-9999.9,j=1,nspec)
close(unitpartout)
end subroutine partoutput
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