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michaesp |
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PROGRAM trace
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C ********************************************************************
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C * *
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C * Pseudo-lidar plots along trajectories *
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C * *
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C * Heini Wernli first version: April 1993 *
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C * Michael Sprenger major upgrade: 2008-2009 *
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C * *
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C ********************************************************************
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implicit none
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c --------------------------------------------------------------------
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c Declaration of parameters
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c --------------------------------------------------------------------
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c Maximum number of levels for input files
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integer nlevmax
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parameter (nlevmax=100)
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c Maximum number of input files (dates, length of trajectories)
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integer ndatmax
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parameter (ndatmax=500)
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c Numerical epsilon (for float comparison)
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real eps
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parameter (eps=0.001)
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c Conversion factors
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real pi180 ! deg -> rad
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parameter (pi180=3.14159/180.)
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real deg2km ! deg -> km (at equator)
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parameter (deg2km=111.)
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c Prefix for primary and secondary fields
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character charp
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character chars
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parameter (charp='P')
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parameter (chars='S')
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c --------------------------------------------------------------------
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c Declaration of variables
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c --------------------------------------------------------------------
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c Input and output format for trajectories (see iotra.f)
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integer inpmode
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c Input parameters
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character*80 inpfile ! Input trajectory file
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character*80 outfile ! Output netCDF file
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character*80 outmode ! Output mode (sum,mean)
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integer ntra ! Number of trajectories
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integer ncol ! Number of columns (including time, lon, lat, p)
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integer ntim ! Number of times per trajectory
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integer ntrace0 ! Number of trace variables
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character*80 tvar(200) ! Tracing variable name (only the variable)
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character*1 tfil(200) ! Filename prefix
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real fac(200) ! Scaling factor
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integer compfl(200) ! Computation flag (1=compute)
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integer numdat ! Number of input files
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character*11 dat(ndatmax) ! Dates of input files
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real timeinc ! Time increment between input files
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real tst ! Time shift of start relative to first data file
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real ten ! Time shift of end relatiev to first data file
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character*20 startdate ! First time/date on trajectory
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character*20 enddate ! Last time/date on trajectory
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character*80 timecheck ! Either 'yes' or 'no'
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character*80 intmode ! Interpolation mode ('normal', 'nearest')
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real pmin,pmax ! Pressure range for output grid
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integer npre ! Number of pressure levels in output grid
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character*80 centering ! Centering around trajectory position ('yes','no')
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c Trajectories
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real,allocatable, dimension (:,:,:) :: trainp ! Input trajectories (ntra,ntim,ncol)
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integer reftime(6) ! Reference date
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character*80 varsinp(100) ! Field names for input trajectory
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integer fid,fod ! File identifier for inp and out trajectories
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real x0,y0,p0 ! Position of air parcel (physical space)
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real reltpos0 ! Relative time of air parcel
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real xind,yind,pind ! Position of air parcel (grid space)
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integer fbflag ! Flag for forward (1) or backward (-1) trajectories
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c Meteorological fields from input file
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real,allocatable, dimension (:) :: spt0,spt1 ! Surface pressure
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real,allocatable, dimension (:) :: p3t0,p3t1 ! 3d-pressure
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real,allocatable, dimension (:) :: f3t0,f3t1 ! 3d field for tracing
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character*80 svars(100) ! List of variables on S file
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character*80 pvars(100) ! List of variables on P file
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integer n_svars ! Number of variables on S file
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integer n_pvars ! Number of variables on P file
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c Input grid description
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real pollon,pollat ! Longitude/latitude of pole
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real ak(100) ! Vertical layers and levels
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real bk(100)
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real xmin,xmax ! Zonal grid extension
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real ymin,ymax ! Meridional grid extension
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integer nx,ny,nz ! Grid dimensions
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real dx,dy ! Horizontal grid resolution
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integer hem ! Flag for hemispheric domain
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integer per ! Flag for periodic domain
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real stagz ! Vertical staggering
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real mdv ! Missing data value
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c Output grid and fields
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real levels(1000) ! Ouput levels
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real times (1000) ! Output times
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real,allocatable, dimension (:,:) :: out_pos ! Position of trajectories
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real,allocatable, dimension (:,:) :: out_val ! Output lidar field
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real,allocatable, dimension (:,:) :: out_cnt ! # output lidar sum ups
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c Auxiliary variables
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integer i,j,k,l,n
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real rd
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character*80 filename
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real time0,time1,reltpos
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integer itime0,itime1
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integer stat
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real tstart
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integer iloaded0,iloaded1
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real f0
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real frac
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real tload,tfrac
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integer isok
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character ch
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integer ind
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integer ind1,ind2,ind3,ind4,ind5
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integer ind6,ind7,ind8,ind9,ind0
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integer noutside
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real delta
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integer itrace0
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character*80 string
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character*80 cdfname
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character*80 varname
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real time
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character*80 longname
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character*80 unit
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integer ind_time
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integer ind_pre
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c Externals
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real int_index4
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external int_index4
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c --------------------------------------------------------------------
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c Start of program, Read parameters, get grid parameters
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c --------------------------------------------------------------------
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c Write start message
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print*,'========================================================='
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print*,' *** START OF PROGRAM LIDAR ***'
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print*
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c Read parameters
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open(10,file='trace.param')
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read(10,*) inpfile
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read(10,*) outfile
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read(10,*) outmode
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read(10,*) startdate
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read(10,*) enddate
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read(10,*) fbflag
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read(10,*) numdat
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if ( fbflag.eq.1) then
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do i=1,numdat
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read(10,'(a11)') dat(i)
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enddo
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else
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do i=numdat,1,-1
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read(10,'(a11)') dat(i)
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enddo
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endif
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read(10,*) timeinc
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read(10,*) tst
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read(10,*) ten
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read(10,*) ntra
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read(10,*) ntim
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read(10,*) ncol
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read(10,*) ntrace0
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do i=1,ntrace0
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read(10,*) tvar(i), fac(i), compfl(i), tfil(i)
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enddo
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read(10,*) n_pvars
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do i=1,n_pvars
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read(10,*) pvars(i)
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enddo
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read(10,*) n_svars
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do i=1,n_svars
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read(10,*) svars(i)
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enddo
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read(10,*) timecheck
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read(10,*) intmode
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read(10,*) pmin,pmax,npre
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read(10,*) centering
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close(10)
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c Remove commented tracing fields
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itrace0 = 1
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do while ( itrace0.le.ntrace0)
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string = tvar(itrace0)
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if ( string(1:1).eq.'#' ) then
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do i=itrace0,ntrace0-1
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tvar(i) = tvar(i+1)
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fac(i) = fac(i+1)
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compfl(i) = compfl(i+1)
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tfil(i) = tfil(i+1)
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enddo
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ntrace0 = ntrace0 - 1
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else
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itrace0 = itrace0 + 1
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endif
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enddo
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c Set the formats of the input files
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call mode_tra(inpmode,inpfile)
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if (inpmode.eq.-1) inpmode=1
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C Convert time shifts <tst,ten> from <hh.mm> into fractional time
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call hhmm2frac(tst,frac)
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tst = frac
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call hhmm2frac(ten,frac)
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ten = frac
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c Set the time for the first data file (depending on forward/backward mode)
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if (fbflag.eq.1) then
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tstart = -tst
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else
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tstart = tst
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endif
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c Read the constant grid parameters (nx,ny,nz,xmin,xmax,ymin,ymax,pollon,pollat)
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c The negative <-fid> of the file identifier is used as a flag for parameter retrieval
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filename = charp//dat(1)
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varname = 'U'
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call input_open (fid,filename)
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call input_grid (-fid,varname,xmin,xmax,ymin,ymax,dx,dy,nx,ny,
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> tstart,pollon,pollat,rd,rd,nz,rd,rd,rd,timecheck)
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call input_close(fid)
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C Allocate memory for some meteorological arrays
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allocate(spt0(nx*ny),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array spt0 ***' ! Surface pressure
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allocate(spt1(nx*ny),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array spt1 ***'
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allocate(p3t0(nx*ny*nz),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array p3t0 ***' ! Pressure
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allocate(p3t1(nx*ny*nz),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array p3t1 ***'
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allocate(f3t0(nx*ny*nz),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array p3t0 ***' ! Lidar field
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allocate(f3t1(nx*ny*nz),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array p3t1 ***'
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c Allocate memory for output field
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allocate(out_pos(ntim,npre),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array out_pos ***'
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allocate(out_val(ntim,npre),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array out_val ***'
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allocate(out_cnt(ntim,npre),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array out_cnt ***'
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C Get memory for trajectory arrays
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allocate(trainp(ntra,ntim,ncol),stat=stat)
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if (stat.ne.0) print*,'*** error allocating array tra ***'
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c Set the flags for periodic domains
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if ( abs(xmax-xmin-360.).lt.eps ) then
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per = 1
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elseif ( abs(xmax-xmin-360.+dx).lt.eps ) then
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per = 2
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else
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per = 0
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endif
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C Set logical flag for periodic data set (hemispheric or not)
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hem = 0
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if (per.eq.0.) then
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delta=xmax-xmin-360.
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if (abs(delta+dx).lt.eps) then ! Program aborts: arrays must be closed
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print*,' ERROR: arrays must be closed... Stop'
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else if (abs(delta).lt.eps) then ! Periodic and hemispheric
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hem=1
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per=360.
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endif
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else ! Periodic and hemispheric
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hem=1
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endif
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c Write some status information
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print*,'---- INPUT PARAMETERS -----------------------------------'
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print*
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print*,' Input trajectory file : ',trim(inpfile)
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print*,' Format of input file : ',inpmode
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print*,' Output netCDF file : ',trim(outfile)
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print*,' Format of output file : ',trim(outmode)
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print*,' Forward/backward : ',fbflag
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print*,' #tra : ',ntra
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print*,' #col : ',ncol
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print*,' #tim : ',ntim
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print*,' No time check : ',trim(timecheck)
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print*,' Interpolation mode : ',trim(intmode)
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do i=1,ntrace0
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if (compfl(i).eq.0) then
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print*,' Tracing field : ',
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> trim(tvar(i)), fac(i), ' 0 ', tfil(i)
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else
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print*,' Tracing field : ',
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> trim(tvar(i)),' : online calc not supported'
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endif
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enddo
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print*,' Output (pmin,pmax,n) : ',pmin,pmax,npre
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print*,' Centering : ',trim(centering)
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print*
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print*,'---- INPUT DATA FILES -----------------------------------'
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print*
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call frac2hhmm(tstart,tload)
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print*,' Time of 1st data file : ',tload
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print*,' #input files : ',numdat
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print*,' time increment : ',timeinc
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call frac2hhmm(tst,tload)
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print*,' Shift of start : ',tload
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call frac2hhmm(ten,tload)
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print*,' Shift of end : ',tload
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print*,' First/last input file : ',trim(dat(1)),
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> ' ... ',
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> trim(dat(numdat))
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print*,' Primary variables : ',trim(pvars(1))
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do i=2,n_pvars
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print*,' : ',trim(pvars(i))
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enddo
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if ( n_svars.ge.1 ) then
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print*,' Secondary variables : ',trim(svars(1))
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do i=2,n_svars
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print*,' : ',trim(svars(i))
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enddo
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endif
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print*
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print*,'---- CONSTANT GRID PARAMETERS ---------------------------'
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print*
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print*,' xmin,xmax : ',xmin,xmax
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print*,' ymin,ymax : ',ymin,ymax
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print*,' dx,dy : ',dx,dy
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print*,' pollon,pollat : ',pollon,pollat
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print*,' nx,ny,nz : ',nx,ny,nz
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print*,' per, hem : ',per,hem
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print*
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c --------------------------------------------------------------------
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|
350 |
c Load the input trajectories
|
|
|
351 |
c --------------------------------------------------------------------
|
|
|
352 |
|
|
|
353 |
c Read the input trajectory file
|
|
|
354 |
call ropen_tra(fid,inpfile,ntra,ntim,ncol,reftime,varsinp,inpmode)
|
|
|
355 |
call read_tra (fid,trainp,ntra,ntim,ncol,inpmode)
|
|
|
356 |
call close_tra(fid,inpmode)
|
|
|
357 |
|
|
|
358 |
c Check that first four columns correspond to time,lon,lat,p
|
|
|
359 |
if ( (varsinp(1).ne.'time' ).or.
|
|
|
360 |
> (varsinp(2).ne.'xpos' ).and.(varsinp(2).ne.'lon' ).or.
|
|
|
361 |
> (varsinp(3).ne.'ypos' ).and.(varsinp(3).ne.'lat' ).or.
|
|
|
362 |
> (varsinp(4).ne.'ppos' ).and.(varsinp(4).ne.'p' ) )
|
|
|
363 |
>then
|
|
|
364 |
print*,' ERROR: problem with input trajectories ...'
|
|
|
365 |
stop
|
|
|
366 |
endif
|
|
|
367 |
varsinp(1) = 'time'
|
|
|
368 |
varsinp(2) = 'lon'
|
|
|
369 |
varsinp(3) = 'lat'
|
|
|
370 |
varsinp(4) = 'p'
|
|
|
371 |
|
|
|
372 |
c Write some status information of the input trajectories
|
|
|
373 |
print*,'---- INPUT TRAJECTORIES ---------------------------------'
|
|
|
374 |
print*
|
|
|
375 |
print*,' Start date : ',trim(startdate)
|
|
|
376 |
print*,' End date : ',trim(enddate)
|
|
|
377 |
print*,' Reference time (year) : ',reftime(1)
|
|
|
378 |
print*,' (month) : ',reftime(2)
|
|
|
379 |
print*,' (day) : ',reftime(3)
|
|
|
380 |
print*,' (hour) : ',reftime(4)
|
|
|
381 |
print*,' (min) : ',reftime(5)
|
|
|
382 |
print*,' Time range (min) : ',reftime(6)
|
|
|
383 |
do i=1,ncol
|
|
|
384 |
print*,' Var :',i,trim(varsinp(i))
|
|
|
385 |
enddo
|
|
|
386 |
print*
|
|
|
387 |
|
|
|
388 |
c Check that first time is 0 - otherwise the tracing will produce
|
|
|
389 |
c wrong results because later in the code only absolute times are
|
|
|
390 |
c considered: <itime0 = int(abs(tfrac-tstart)/timeinc) + 1>. This
|
|
|
391 |
c will be changed in a future version.
|
|
|
392 |
if ( abs( trainp(1,1,1) ).gt.eps ) then
|
|
|
393 |
print*,' ERROR: First time of trajectory must be 0, i.e. '
|
|
|
394 |
print*,' correspond to the reference date. Otherwise'
|
|
|
395 |
print*,' the tracing will give wrong results... STOP'
|
|
|
396 |
stop
|
|
|
397 |
endif
|
|
|
398 |
|
|
|
399 |
c --------------------------------------------------------------------
|
|
|
400 |
c Trace the fields (fields available on input files)
|
|
|
401 |
c --------------------------------------------------------------------
|
|
|
402 |
|
|
|
403 |
print*
|
|
|
404 |
print*,'---- LIDAR FROM PRIMARY AND SECONDARY DATA FILES ------'
|
|
|
405 |
|
|
|
406 |
c Loop over all tracing fields
|
|
|
407 |
do i=1,ntrace0
|
|
|
408 |
|
|
|
409 |
c Skip all fields marked for online calculation
|
|
|
410 |
if ( compfl(i).eq.1 ) goto 110
|
|
|
411 |
|
|
|
412 |
c Init the output fields: position and lidar field
|
|
|
413 |
do k=1,ntim
|
|
|
414 |
do l=1,npre
|
|
|
415 |
out_pos(k,l) = 0.
|
|
|
416 |
out_val(k,l) = 0.
|
|
|
417 |
out_cnt(k,l) = 0.
|
|
|
418 |
enddo
|
|
|
419 |
enddo
|
|
|
420 |
|
|
|
421 |
c Write some status information
|
|
|
422 |
print*
|
|
|
423 |
print*,' Now lidaring : ',
|
|
|
424 |
> trim(tvar(i)),compfl(i),' ',trim(tfil(i))
|
|
|
425 |
|
|
|
426 |
c Reset flags for load manager
|
|
|
427 |
iloaded0 = -1
|
|
|
428 |
iloaded1 = -1
|
|
|
429 |
|
|
|
430 |
c Reset the counter for fields outside domain
|
|
|
431 |
noutside = 0
|
|
|
432 |
|
|
|
433 |
c Loop over all times
|
|
|
434 |
do j=1,ntim
|
|
|
435 |
|
|
|
436 |
c Convert trajectory time from hh.mm to fractional time
|
|
|
437 |
call hhmm2frac(trainp(1,j,1),tfrac)
|
|
|
438 |
|
|
|
439 |
c Get the times which are needed
|
|
|
440 |
itime0 = int(abs(tfrac-tstart)/timeinc) + 1
|
|
|
441 |
time0 = tstart + fbflag * real(itime0-1) * timeinc
|
|
|
442 |
itime1 = itime0 + 1
|
|
|
443 |
time1 = time0 + fbflag * timeinc
|
|
|
444 |
if ( itime1.gt.numdat ) then
|
|
|
445 |
itime1 = itime0
|
|
|
446 |
time1 = time0
|
|
|
447 |
endif
|
|
|
448 |
|
|
|
449 |
c Load manager: Check whether itime0 can be copied from itime1
|
|
|
450 |
if ( itime0.eq.iloaded1 ) then
|
|
|
451 |
f3t0 = f3t1
|
|
|
452 |
p3t0 = p3t1
|
|
|
453 |
spt0 = spt1
|
|
|
454 |
iloaded0 = itime0
|
|
|
455 |
endif
|
|
|
456 |
|
|
|
457 |
c Load manager: Check whether itime1 can be copied from itime0
|
|
|
458 |
if ( itime1.eq.iloaded0 ) then
|
|
|
459 |
f3t1 = f3t0
|
|
|
460 |
p3t1 = p3t0
|
|
|
461 |
spt1 = spt0
|
|
|
462 |
iloaded1 = itime1
|
|
|
463 |
endif
|
|
|
464 |
|
|
|
465 |
c Load manager: Load first time (tracing variable and grid)
|
|
|
466 |
if ( itime0.ne.iloaded0 ) then
|
|
|
467 |
|
|
|
468 |
filename = tfil(i)//dat(itime0)
|
|
|
469 |
call frac2hhmm(time0,tload)
|
|
|
470 |
varname = tvar(i)
|
|
|
471 |
write(*,'(a23,a20,a3,a5,f7.2)')
|
|
|
472 |
> ' -> loading : ',
|
|
|
473 |
> trim(filename),' ',trim(varname),tload
|
|
|
474 |
call input_open (fid,filename)
|
|
|
475 |
call input_wind
|
|
|
476 |
> (fid,varname,f3t0,tload,stagz,mdv,
|
|
|
477 |
> xmin,xmax,ymin,ymax,dx,dy,nx,ny,nz,timecheck)
|
|
|
478 |
|
|
|
479 |
call input_grid
|
|
|
480 |
> (fid,varname,xmin,xmax,ymin,ymax,dx,dy,nx,ny,
|
|
|
481 |
> tload,pollon,pollat,p3t0,spt0,nz,ak,bk,stagz,
|
|
|
482 |
> timecheck)
|
|
|
483 |
call input_close(fid)
|
|
|
484 |
|
|
|
485 |
iloaded0 = itime0
|
|
|
486 |
|
|
|
487 |
endif
|
|
|
488 |
|
|
|
489 |
c Load manager: Load second time (tracing variable and grid)
|
|
|
490 |
if ( itime1.ne.iloaded1 ) then
|
|
|
491 |
|
|
|
492 |
filename = tfil(i)//dat(itime1)
|
|
|
493 |
call frac2hhmm(time1,tload)
|
|
|
494 |
varname = tvar(i)
|
|
|
495 |
write(*,'(a23,a20,a3,a5,f7.2)')
|
|
|
496 |
> ' -> loading : ',
|
|
|
497 |
> trim(filename),' ',trim(varname),tload
|
|
|
498 |
call input_open (fid,filename)
|
|
|
499 |
call input_wind
|
|
|
500 |
> (fid,varname,f3t1,tload,stagz,mdv,
|
|
|
501 |
> xmin,xmax,ymin,ymax,dx,dy,nx,ny,nz,timecheck)
|
|
|
502 |
call input_grid
|
|
|
503 |
> (fid,varname,xmin,xmax,ymin,ymax,dx,dy,nx,ny,
|
|
|
504 |
> tload,pollon,pollat,p3t1,spt1,nz,ak,bk,stagz,
|
|
|
505 |
> timecheck)
|
|
|
506 |
call input_close(fid)
|
|
|
507 |
|
|
|
508 |
iloaded1 = itime1
|
|
|
509 |
|
|
|
510 |
endif
|
|
|
511 |
|
|
|
512 |
c Loop over all trajectories
|
|
|
513 |
do k=1,ntra
|
|
|
514 |
|
|
|
515 |
c Set the horizontal position where to interpolate to
|
|
|
516 |
x0 = trainp(k,j,2) ! Longitude
|
|
|
517 |
y0 = trainp(k,j,3) ! Latitude
|
|
|
518 |
|
|
|
519 |
c Set the relative time
|
|
|
520 |
call hhmm2frac(trainp(k,j,1),tfrac)
|
|
|
521 |
reltpos0 = fbflag * (tfrac-time0)/timeinc
|
|
|
522 |
|
|
|
523 |
c Handle periodic boundaries in zonal direction
|
|
|
524 |
if ( (x0.gt.xmax).and.(per.ne.0) ) x0 = x0 - 360.
|
|
|
525 |
if ( (x0.lt.xmin).and.(per.ne.0) ) x0 = x0 + 360.
|
|
|
526 |
|
|
|
527 |
c Handle pole problems for hemispheric data (taken from caltra.f)
|
|
|
528 |
if ((hem.eq.1).and.(y0.gt.90.)) then
|
|
|
529 |
y0=180.-y0
|
|
|
530 |
x0=x0+per/2.
|
|
|
531 |
endif
|
|
|
532 |
if ((hem.eq.1).and.(y0.lt.-90.)) then
|
|
|
533 |
y0=-180.-y0
|
|
|
534 |
x0=x0+per/2.
|
|
|
535 |
endif
|
|
|
536 |
if (y0.gt.89.99) then
|
|
|
537 |
y0=89.99
|
|
|
538 |
endif
|
|
|
539 |
|
|
|
540 |
c Loop over pressure profile
|
|
|
541 |
do l=1,npre
|
|
|
542 |
|
|
|
543 |
c Set the pressure where to interpolate to
|
|
|
544 |
p0 = pmin + real(l-1)/real(npre-1) * (pmax-pmin)
|
|
|
545 |
if ( centering.eq.'yes' )then
|
|
|
546 |
p0 = p0 + trainp(k,j,4)
|
|
|
547 |
endif
|
|
|
548 |
|
|
|
549 |
C Get the index where to interpolate (x0,y0,p0)
|
|
|
550 |
if ( (abs(x0-mdv).gt.eps).and.
|
|
|
551 |
> (abs(y0-mdv).gt.eps) )
|
|
|
552 |
> then
|
|
|
553 |
call get_index4 (xind,yind,pind,x0,y0,p0,reltpos0,
|
|
|
554 |
> p3t0,p3t1,spt0,spt1,3,
|
|
|
555 |
> nx,ny,nz,xmin,ymin,dx,dy,mdv)
|
|
|
556 |
else
|
|
|
557 |
xind = mdv
|
|
|
558 |
yind = mdv
|
|
|
559 |
pind = mdv
|
|
|
560 |
endif
|
|
|
561 |
|
|
|
562 |
c If requested, apply nearest-neighbor interpolation
|
|
|
563 |
if ( intmode.eq.'nearest') then
|
|
|
564 |
|
|
|
565 |
xind = real( nint(xind) )
|
|
|
566 |
yind = real( nint(yind) )
|
|
|
567 |
pind = real( nint(pind) )
|
|
|
568 |
|
|
|
569 |
if ( xind.lt.1. ) xind = 1.
|
|
|
570 |
if ( xind.gt.nx ) xind = real(nx)
|
|
|
571 |
if ( yind.lt.1. ) yind = 1.
|
|
|
572 |
if ( yind.gt.ny ) yind = real(ny)
|
|
|
573 |
|
|
|
574 |
if ( pind.lt.1. ) pind = 1.
|
|
|
575 |
if ( pind.gt.nz ) pind = real(nz)
|
|
|
576 |
|
|
|
577 |
endif
|
|
|
578 |
|
|
|
579 |
c Do the interpolation: everthing is ok
|
|
|
580 |
if ( (xind.ge.1.).and.(xind.le.real(nx)).and.
|
|
|
581 |
> (yind.ge.1.).and.(yind.le.real(ny)).and.
|
|
|
582 |
> (pind.ge.1.).and.(pind.le.real(nz)) )
|
|
|
583 |
> then
|
|
|
584 |
f0 = int_index4(f3t0,f3t1,nx,ny,nz,
|
|
|
585 |
> xind,yind,pind,reltpos0,mdv)
|
|
|
586 |
|
|
|
587 |
c Set to missing data
|
|
|
588 |
else
|
|
|
589 |
f0 = mdv
|
|
|
590 |
endif
|
|
|
591 |
|
|
|
592 |
c Save result to output array
|
|
|
593 |
if (abs(f0-mdv).gt.eps) then
|
|
|
594 |
out_val(j,l) = out_val(j,l) + f0 * fac(i)
|
|
|
595 |
out_cnt(j,l) = out_cnt(j,l) + 1.
|
|
|
596 |
|
|
|
597 |
endif
|
|
|
598 |
|
|
|
599 |
c End loop over all pressure levels
|
|
|
600 |
enddo
|
|
|
601 |
|
|
|
602 |
c Save the output trajectory position
|
|
|
603 |
ind_time = j
|
|
|
604 |
if ( centering.eq.'no' ) then
|
|
|
605 |
ind_pre = nint( real(npre) *
|
|
|
606 |
> ( (trainp(k,j,4) - pmin)/(pmax-pmin) ) + 1.)
|
|
|
607 |
else
|
|
|
608 |
ind_pre = nint( real(npre) *
|
|
|
609 |
> ( (0. - pmin)/(pmax-pmin) ) + 1.)
|
|
|
610 |
endif
|
|
|
611 |
|
|
|
612 |
if ( (ind_time.ge.1).and.(ind_time.le.ntim).and.
|
|
|
613 |
> (ind_pre .ge.1).and.(ind_pre .le.npre) )
|
|
|
614 |
> then
|
|
|
615 |
out_pos(ind_time,ind_pre) =
|
|
|
616 |
> out_pos(ind_time,ind_pre) + 1.
|
|
|
617 |
endif
|
|
|
618 |
|
|
|
619 |
c End loop over all trajectories
|
|
|
620 |
enddo
|
|
|
621 |
|
|
|
622 |
c End loop over all times
|
|
|
623 |
enddo
|
|
|
624 |
|
|
|
625 |
c Write the trajectory position to netCDF file - only once
|
|
|
626 |
if ( i.eq.1 ) then
|
|
|
627 |
cdfname = outfile
|
|
|
628 |
varname = 'POSITION'
|
|
|
629 |
longname = 'position of trajectory points'
|
|
|
630 |
unit = 'none'
|
|
|
631 |
time = 0.
|
|
|
632 |
do k=1,npre
|
|
|
633 |
levels(k) = pmin + real(k-1)/real(npre-1) * (pmax-pmin)
|
|
|
634 |
enddo
|
|
|
635 |
do k=1,ntim
|
|
|
636 |
times(k) = trainp(1,k,1)
|
|
|
637 |
enddo
|
|
|
638 |
call writecdf2D_cf
|
|
|
639 |
> (cdfname,varname,longname,unit,out_pos,time,levels,
|
|
|
640 |
> times,npre,ntim,1,1)
|
|
|
641 |
endif
|
|
|
642 |
|
|
|
643 |
c If no valid lidar count: set the field to missing data
|
|
|
644 |
do k=1,ntim
|
|
|
645 |
do l=1,npre
|
|
|
646 |
if (abs(out_cnt(k,l)).lt.eps) then
|
|
|
647 |
out_val(k,l) = mdv
|
|
|
648 |
endif
|
|
|
649 |
enddo
|
|
|
650 |
enddo
|
|
|
651 |
|
|
|
652 |
c If requested, calculate the mean of the lidar field
|
|
|
653 |
if ( outmode.eq.'mean' ) then
|
|
|
654 |
do k=1,ntim
|
|
|
655 |
do l=1,npre
|
|
|
656 |
if ( (abs(out_val(k,l)-mdv).gt.eps).and.
|
|
|
657 |
> (abs(out_cnt(k,l) ).gt.0. ) )
|
|
|
658 |
> then
|
|
|
659 |
out_val(k,l) = out_val(k,l) / out_cnt(k,l)
|
|
|
660 |
endif
|
|
|
661 |
enddo
|
|
|
662 |
enddo
|
|
|
663 |
endif
|
|
|
664 |
|
|
|
665 |
c Write the lidar field and count
|
|
|
666 |
cdfname = outfile
|
|
|
667 |
if (outmode.eq.'sum' ) then
|
|
|
668 |
varname = trim(tvar(i))//'_SUM'
|
|
|
669 |
elseif (outmode.eq.'mean' ) then
|
|
|
670 |
varname = trim(tvar(i))//'_MEAN'
|
|
|
671 |
endif
|
|
|
672 |
longname = 'sum over all '//trim(tvar(i))//' profiles'
|
|
|
673 |
unit = 'not given'
|
|
|
674 |
time = 0.
|
|
|
675 |
call writecdf2D_cf
|
|
|
676 |
> (cdfname,varname,longname,unit,out_val,time,levels,
|
|
|
677 |
> times,npre,ntim,0,1)
|
|
|
678 |
|
|
|
679 |
cdfname = outfile
|
|
|
680 |
varname = trim(tvar(i))//'_CNT'
|
|
|
681 |
longname = 'counts of all '//trim(tvar(i))//' profiles'
|
|
|
682 |
unit = 'not given'
|
|
|
683 |
time = 0.
|
|
|
684 |
call writecdf2D_cf
|
|
|
685 |
> (cdfname,varname,longname,unit,out_cnt,time,levels,
|
|
|
686 |
> times,npre,ntim,0,1)
|
|
|
687 |
|
|
|
688 |
c Exit point for loop over all tracing variables
|
|
|
689 |
110 continue
|
|
|
690 |
|
|
|
691 |
c End loop over all lidar variables
|
|
|
692 |
enddo
|
|
|
693 |
|
|
|
694 |
|
|
|
695 |
c --------------------------------------------------------------------
|
|
|
696 |
c Write output to netCDF file
|
|
|
697 |
c --------------------------------------------------------------------
|
|
|
698 |
|
|
|
699 |
c Write status information
|
|
|
700 |
print*
|
|
|
701 |
print*,'---- WRITE OUTPUT LIDAR FIELDS --------------------------'
|
|
|
702 |
print*
|
|
|
703 |
|
|
|
704 |
|
|
|
705 |
c Write some status information, and end of program message
|
|
|
706 |
print*
|
|
|
707 |
print*,'---- STATUS INFORMATION --------------------------------'
|
|
|
708 |
print*
|
|
|
709 |
print*,' ok'
|
|
|
710 |
print*
|
|
|
711 |
print*,' *** END OF PROGRAM LIDAR ***'
|
|
|
712 |
print*,'========================================================='
|
|
|
713 |
|
|
|
714 |
|
|
|
715 |
end
|
|
|
716 |
|
|
|
717 |
|
|
|
718 |
c ********************************************************************
|
|
|
719 |
c * INPUT / OUTPUT SUBROUTINES *
|
|
|
720 |
c ********************************************************************
|
|
|
721 |
|
|
|
722 |
c --------------------------------------------------------------------
|
|
|
723 |
c Subroutines to write 2D CF netcdf output file
|
|
|
724 |
c --------------------------------------------------------------------
|
|
|
725 |
|
|
|
726 |
subroutine writecdf2D_cf
|
|
|
727 |
> (cdfname,varname,longname,unit,arr,time,levels,times,
|
|
|
728 |
> npre,ntim,crefile,crevar)
|
|
|
729 |
|
|
|
730 |
c Create and write to the CF netcdf file <cdfname>. The variable
|
|
|
731 |
c with name <varname> and with time <time> is written. The data
|
|
|
732 |
c are in the two-dimensional array <arr>. The flags <crefile> and
|
|
|
733 |
c <crevar> determine whether the file and/or the variable should
|
|
|
734 |
c be created.
|
|
|
735 |
|
|
|
736 |
USE netcdf
|
|
|
737 |
|
|
|
738 |
IMPLICIT NONE
|
|
|
739 |
|
|
|
740 |
c Declaration of input parameters
|
|
|
741 |
character*80 cdfname
|
|
|
742 |
character*80 varname,longname,unit
|
|
|
743 |
integer npre,ntim
|
|
|
744 |
real arr(ntim,npre)
|
|
|
745 |
real levels(npre)
|
|
|
746 |
real times (ntim)
|
|
|
747 |
real time
|
|
|
748 |
integer crefile,crevar
|
|
|
749 |
|
|
|
750 |
c Numerical epsilon
|
|
|
751 |
real eps
|
|
|
752 |
parameter (eps=1.e-5)
|
|
|
753 |
|
|
|
754 |
c Local variables
|
|
|
755 |
integer ierr
|
|
|
756 |
integer ncID
|
|
|
757 |
integer LevDimId, varLevID
|
|
|
758 |
integer TimeDimID, varTimeID
|
|
|
759 |
real timeindex
|
|
|
760 |
integer i,j
|
|
|
761 |
integer nvars,varids(100)
|
|
|
762 |
integer ndims,dimids(100)
|
|
|
763 |
real timelist(1000)
|
|
|
764 |
integer ntimes
|
|
|
765 |
integer ind
|
|
|
766 |
integer varID
|
|
|
767 |
|
|
|
768 |
c Quick an dirty solution for fieldname conflict
|
|
|
769 |
if ( varname.eq.'time' ) varname = 'TIME'
|
|
|
770 |
|
|
|
771 |
c Initially set error to indicate no errors.
|
|
|
772 |
ierr = 0
|
|
|
773 |
|
|
|
774 |
c ---- Create the netCDF - skip if <crefile=0> ----------------------
|
|
|
775 |
if ( crefile.ne.1 ) goto 100
|
|
|
776 |
|
|
|
777 |
c Create the file
|
|
|
778 |
ierr = nf90_create(trim(cdfname), NF90_CLOBBER, ncID)
|
|
|
779 |
|
|
|
780 |
c Define dimensions
|
|
|
781 |
ierr=nf90_def_dim(ncID,'level',npre, LevDimID )
|
|
|
782 |
ierr=nf90_def_dim(ncID,'time' ,ntim, TimeDimID)
|
|
|
783 |
|
|
|
784 |
c Define coordinate Variables
|
|
|
785 |
ierr = nf90_def_var(ncID,'level',NF90_FLOAT,
|
|
|
786 |
> (/ LevDimID /),varLevID)
|
|
|
787 |
ierr = nf90_put_att(ncID, varLevID, "standard_name","level")
|
|
|
788 |
ierr = nf90_put_att(ncID, varLevID, "units" ,"hPa")
|
|
|
789 |
|
|
|
790 |
ierr = nf90_def_var(ncID,'time',NF90_FLOAT,
|
|
|
791 |
> (/ TimeDimID /), varTimeID)
|
|
|
792 |
ierr = nf90_put_att(ncID, varTimeID, "long_name", "time")
|
|
|
793 |
ierr = nf90_put_att(ncID, varTimeID, "units", "hours")
|
|
|
794 |
|
|
|
795 |
c Write global attributes
|
|
|
796 |
ierr = nf90_put_att(ncID, NF90_GLOBAL, 'Conventions', 'CF-1.0')
|
|
|
797 |
ierr = nf90_put_att(ncID, NF90_GLOBAL, 'title',
|
|
|
798 |
> 'pseudo-lidar from trajectory file')
|
|
|
799 |
ierr = nf90_put_att(ncID, NF90_GLOBAL, 'source',
|
|
|
800 |
> 'Lagranto Trajectories')
|
|
|
801 |
ierr = nf90_put_att(ncID, NF90_GLOBAL, 'institution',
|
|
|
802 |
> 'ETH Zurich, IACETH')
|
|
|
803 |
|
|
|
804 |
c Check whether the definition was successful
|
|
|
805 |
ierr = nf90_enddef(ncID)
|
|
|
806 |
if (ierr.gt.0) then
|
|
|
807 |
print*, 'An error occurred while attempting to ',
|
|
|
808 |
> 'finish definition mode.'
|
|
|
809 |
stop
|
|
|
810 |
endif
|
|
|
811 |
|
|
|
812 |
c Write coordinate data
|
|
|
813 |
ierr = nf90_put_var(ncID,varLevID ,levels)
|
|
|
814 |
ierr = nf90_put_var(ncID,varTimeID ,times )
|
|
|
815 |
|
|
|
816 |
c Close netCDF file
|
|
|
817 |
ierr = nf90_close(ncID)
|
|
|
818 |
|
|
|
819 |
100 continue
|
|
|
820 |
|
|
|
821 |
c ---- Define a new variable - skip if <crevar=0> -----------------------
|
|
|
822 |
|
|
|
823 |
if ( crevar.ne.1 ) goto 110
|
|
|
824 |
|
|
|
825 |
c Open the file for read/write access
|
|
|
826 |
ierr = nf90_open (trim(cdfname), NF90_WRITE , ncID)
|
|
|
827 |
|
|
|
828 |
c Get the IDs for dimensions
|
|
|
829 |
ierr = nf90_inq_dimid(ncID,'level', LevDimID )
|
|
|
830 |
ierr = nf90_inq_dimid(ncID,'time' , TimeDimID)
|
|
|
831 |
|
|
|
832 |
c Enter define mode
|
|
|
833 |
ierr = nf90_redef(ncID)
|
|
|
834 |
|
|
|
835 |
c Write definition and add attributes
|
|
|
836 |
ierr = nf90_def_var(ncID,varname,NF90_FLOAT,
|
|
|
837 |
> (/ varTimeID, varLevID /),varID)
|
|
|
838 |
ierr = nf90_put_att(ncID, varID, "long_name" , longname )
|
|
|
839 |
ierr = nf90_put_att(ncID, varID, "units" , unit )
|
|
|
840 |
ierr = nf90_put_att(ncID, varID, '_FillValue', -999.99 )
|
|
|
841 |
|
|
|
842 |
c Check whether definition was successful
|
|
|
843 |
ierr = nf90_enddef(ncID)
|
|
|
844 |
if (ierr.gt.0) then
|
|
|
845 |
print*, 'An error occurred while attempting to ',
|
|
|
846 |
> 'finish definition mode.'
|
|
|
847 |
stop
|
|
|
848 |
endif
|
|
|
849 |
|
|
|
850 |
c Close netCDF file
|
|
|
851 |
ierr = nf90_close(ncID)
|
|
|
852 |
|
|
|
853 |
110 continue
|
|
|
854 |
|
|
|
855 |
c ---- Write data --------------------------------------------------
|
|
|
856 |
|
|
|
857 |
c Open the file for read/write access
|
|
|
858 |
ierr = nf90_open (trim(cdfname), NF90_WRITE , ncID)
|
|
|
859 |
|
|
|
860 |
c Get the varID
|
|
|
861 |
ierr = nf90_inq_varid(ncID,varname, varID )
|
|
|
862 |
if (ierr.ne.0) then
|
|
|
863 |
print*,'Variable ',trim(varname),' is not defined on ',
|
|
|
864 |
> trim(cdfname)
|
|
|
865 |
stop
|
|
|
866 |
endif
|
|
|
867 |
|
|
|
868 |
c Write data block
|
|
|
869 |
ierr = nf90_put_var(ncID,varID,arr,
|
|
|
870 |
> start = (/ 1, 1 /),
|
|
|
871 |
> count = (/ ntim, npre/) )
|
|
|
872 |
|
|
|
873 |
c Check whether writing was successful
|
|
|
874 |
ierr = nf90_close(ncID)
|
|
|
875 |
if (ierr.ne.0) then
|
|
|
876 |
write(*,*) trim(nf90_strerror(ierr))
|
|
|
877 |
write(*,*) 'An error occurred while attempting to ',
|
|
|
878 |
> 'close the netcdf file.'
|
|
|
879 |
write(*,*) 'in clscdf_CF'
|
|
|
880 |
endif
|
|
|
881 |
|
|
|
882 |
end
|
|
|
883 |
|
|
|
884 |
|
|
|
885 |
|
|
|
886 |
|
|
|
887 |
|
|
|
888 |
|
|
|
889 |
|
|
|
890 |
|
|
|
891 |
|