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subroutine trajout(numb,nstop)
C i i
********************************************************************************
* *
* This routine writes the output files. *
* *
* Authors: A. Stohl *
* *
* 2 February 1994 *
* *
********************************************************************************
* *
* Variables: *
* bdate beginning date of modelling period *
* *
* idate,itime date and time,help variables *
* inter output with flexible (0,2) or constant time step (1,2) *
* ldim number of interpolated time steps *
* maxnests maximum number of nesting levels *
* ngrid nesting level to be used *
* npoint(maxtra) number of starting point for each trajectory *
* nstop error code *
* nttra(maxtra) number of time steps along the trajectory *
* numb number of trajectory to be written to output file *
* juldat Julian starting date of trajectory *
* xtra,ytra,ztra(maxtra,maxtime) grid coordinates of trajectory (flexible) *
* xtraint,ytraint,ztraint(maxitime) grid coordinates of trajectory (flexible) *
* *
* Constants: *
* *
********************************************************************************
include 'includepar'
include 'includecom'
integer nstop,numb,idate,itime,i,j,ldimi,ngrid
real orotra(maxtime),orotraint(maxitime),xtn,ytn
double precision juldat
C If serious error has occurred, reduce the number of time steps by 1.
C This has to be done to exclude unrealistic values.
**********************************************************************
if (nstop.gt.1) nttra(numb)=nttra(numb)-1
C Add the height of the orography to give height above sea level
****************************************************************
do 10 i=1,nttra(numb)
C Determine which nesting level to be used
******************************************
ngrid=0
do 12 j=numbnests,1,-1
if ((xtra(numb,i).gt.xln(j)).and.(xtra(numb,i).lt.xrn(j)).and.
+ (ytra(numb,i).gt.yln(j)).and.(ytra(numb,i).lt.yrn(j))) then
ngrid=j
goto 13
endif
12 continue
13 continue
if (ngrid.eq.0) then
call orolininterpol(oro,nxmax,nymax,nx,ny,xtra(numb,i),
+ ytra(numb,i),orotra(i))
else
xtn=(xtra(numb,i)-xln(ngrid))*xresoln(ngrid)
ytn=(ytra(numb,i)-yln(ngrid))*yresoln(ngrid)
call orolininterpoln(oron,maxnests,nxmaxn,nymaxn,ngrid,
+ nxn,nyn,xtn,ytn,orotra(i))
endif
10 htra(numb,i)=htra(numb,i)+orotra(i)
C Conversion of grid coordinates to geografical coordinates
***********************************************************
do 30 i=1,nttra(numb)
call lamphi_ecmwf(xtra(numb,i),ytra(numb,i),xtra(numb,i),
+ ytra(numb,i))
30 ptra(numb,i)=ptra(numb,i)/100. ! conversion Pa -> hPa
C If trajectory information is wanted with constant time step, interpolate the
C trajectory to constant time step
******************************************************************************
if (inter.ge.1) then
call trajinterpol(numb,ldimi,orotra,orotraint)
endif
C Calculate starting date and time of trajectory
************************************************
juldat=bdate+dble(float(ittra(numb,1)))/86400.
call caldate(juldat,idate,itime)
C Output of normal (non-CET) trajectories
*****************************************
if (modecet.eq.1) then
C Output of trajectories with flexible time step
************************************************
if ((inter.eq.0).or.(inter.eq.2)) then
if (nttra(numb).eq.1) nttra(numb)=0
write(unittraj+npoint(numb),'(a6,i8,a9,i8,a16,i1,a16,i5)')
+ 'DATE: ',idate,' TIME:',itime,' STOP INDEX: ',nstop,
+ ' # OF POINTS:',nttra(numb)
write(unittraj+npoint(numb),67) ' SECS',
+ ' LONGIT',' LATIT',' ETA',' PRESS',' Z',' Z-ORO',
+' PV',' THETA',' Q'
do 40 i=1,nttra(numb)
40 write(unittraj+npoint(numb),66)
+ ittra(numb,i)-ittra(numb,1),xtra(numb,i),ytra(numb,i),
+ ztra(numb,i)*zdirect,ptra(numb,i),htra(numb,i),
+ htra(numb,i)-orotra(i),pvtra(numb,i),thtra(numb,i),
+ qqtra(numb,i)
endif
C Output of trajectories with constant time step
************************************************
if (inter.ge.1) then
if (ldimi.eq.1) ldimi=0
write(unittraji+npoint(numb),'(a6,i8,a9,i8,a16,i1,a16,i5)')
+ 'DATE: ',idate,' TIME:',itime,' STOP INDEX: ',nstop,
+ ' # OF POINTS:',ldimi
write(unittraji+npoint(numb),67) ' SECS',
+ ' LONGIT',' LATIT',' ETA',' PRESS',' Z',' Z-ORO',
+' PV',' THETA',' Q'
do 50 i=1,ldimi
50 write(unittraji+npoint(numb),66)
+ ittraint(i)-ittraint(1),xtraint(i),ytraint(i),ztraint(i)*
+ zdirect,ptraint(i),htraint(i),htraint(i)-orotraint(i),
+ pvtraint(i),thtraint(i),qqtraint(i)
endif
C Output of CET or FLIGHT trajectories
**************************************
else
C Output of trajectories with flexible time step
************************************************
if ((inter.eq.0).or.(inter.eq.2)) then
if (nttra(numb).eq.1) nttra(numb)=0
write(unittraj,'(a6,i8,a9,i8,a16,i1,a16,i5)')
+ 'DATE: ',idate,' TIME:',itime,' STOP INDEX: ',nstop,
+ ' # OF POINTS:',nttra(numb)
write(unittraj,67) ' SECS',
+ ' LONGIT',' LATIT',' ETA',' PRESS',' Z',' Z-ORO',
+' PV',' THETA',' Q'
do 140 i=1,nttra(numb)
140 write(unittraj,66)
+ ittra(numb,i)-ittra(numb,1),xtra(numb,i),ytra(numb,i),
+ ztra(numb,i)*zdirect,ptra(numb,i),htra(numb,i),
+ htra(numb,i)-orotra(i),pvtra(numb,i),thtra(numb,i),
+ qqtra(numb,i)
endif
C Output of trajectories with constant time step
************************************************
if (inter.ge.1) then
if (ldimi.eq.1) ldimi=0
write(unittraji,'(a6,i8,a9,i8,a16,i1,a16,i5)')
+ 'DATE: ',idate,' TIME:',itime,' STOP INDEX: ',nstop,
+ ' # OF POINTS:',ldimi
write(unittraji,67) ' SECS',
+ ' LONGIT',' LATIT',' ETA',' PRESS',' Z',' Z-ORO',
+' PV',' THETA',' Q'
do 150 i=1,ldimi
150 write(unittraji,66)
+ ittraint(i)-ittraint(1),xtraint(i),ytraint(i),ztraint(i)*
+ zdirect,ptraint(i),htraint(i),htraint(i)-orotraint(i),
+ pvtraint(i),thtraint(i),qqtraint(i)
endif
endif
66 format(i9,2f9.4,f7.4,f7.1,2f8.1,f8.3,f6.1,e9.2)
67 format(a9,a9,a9,a7,a7,a8,a8,a8,a6,a9)
return
end
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