#include "FIZHI_OPTIONS.h" subroutine update_ocean_exports (myTime, myIter, myThid) c---------------------------------------------------------------------- c Subroutine update_ocean_exports - 'Wrapper' routine to update c the fields related to the ocean surface that are needed c by fizhi (sst and sea ice extent). c c Call: getsst (Return the current sst field-read dataset if needed) c getsice (Return the current sea ice field-read data if needed) c----------------------------------------------------------------------- implicit none #include "SIZE.h" #include "GRID.h" #include "fizhi_ocean_coms.h" #include "EEPARAMS.h" #include "chronos.h" #ifdef ALLOW_EXCH2 #include "W2_EXCH2_SIZE.h" #include "W2_EXCH2_TOPOLOGY.h" #endif /* ALLOW_EXCH2 */ integer myIter, myThid _RL myTime INTEGER xySize #if defined(ALLOW_EXCH2) PARAMETER ( xySize = W2_ioBufferSize ) #else PARAMETER ( xySize = Nx*Ny ) #endif integer i, j, bi, bj, bislot, bjslot integer im1, im2, jm1, jm2, idim1, idim2, jdim1, jdim2 integer xsize, ysize _RL sstmin parameter ( sstmin = 273.16 ) _RL sst1 (xySize), sst2 (xySize) _RL sice1(xySize), sice2(xySize) c _RL sst1(xsize,ysize),sst2(xsize,ysize) c _RL sice1(xsize,ysize),sice2(xsize,ysize) integer nymd1sst(nSx,nSy),nymd2sst(nSx,nSy) integer nymd1sice(nSx,nSy),nymd2sice(nSx,nSy) integer nhms1sst(nSx,nSy),nhms2sst(nSx,nSy) integer nhms1sice(nSx,nSy),nhms2sice(nSx,nSy) integer sstdates(370,nSx,nSy),sicedates(370,nSx,nSy) integer ssttimes(370,nSx,nSy),sicetimes(370,nSx,nSy) logical first(nSx,nSy) integer nSxnSy parameter(nSxnSy = nSx*nSy) data first/nSxnSy*.true./ save nymd1sst,nymd2sst,nymd1sice,nymd2sice save nhms1sst,nhms2sst,nhms1sice,nhms2sice save sst1, sst2, sice1, sice2 save sstdates, sicedates save ssttimes, sicetimes #if defined(ALLOW_EXCH2) xsize = exch2_global_Nx ysize = exch2_global_Ny #else xsize = Nx ysize = Ny #endif idim1 = 1-OLx idim2 = sNx+OLx jdim1 = 1-OLy jdim2 = sNy+OLy im1 = 1 im2 = sNx jm1 = 1 jm2 = sNy C*********************************************************************** DO BJ = myByLo(myThid),myByHi(myThid) DO BI = myBxLo(myThid),myBxHi(myThid) #if defined(ALLOW_EXCH2) bislot = exch2_txglobalo(W2_myTileList(bi,bj))-1 bjslot = exch2_tyglobalo(W2_myTileList(bi,bj))-1 #else bislot = myXGlobalLo-1+(bi-1)*sNx bjslot = myYGlobalLo-1+(bj-1)*sNy #endif call getsst(ksst,sstclim,idim1,idim2,jdim1,jdim2,im1,im2, . jm1,jm2,nSx,nSy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, . sst1,sst2,first(bi,bj),nymd1sst(bi,bj),nymd2sst(bi,bj), . nhms1sst(bi,bj),nhms2sst(bi,bj),sstdates(1,bi,bj), . ssttimes(1,bi,bj),sst,myThid) call getsice(kice,siceclim,idim1,idim2,jdim1,jdim2,im1,im2, . jm1,jm2,nSx,nSy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, . sice1,sice2,first(bi,bj),nymd1sice(bi,bj),nymd2sice(bi,bj), . nhms1sice(bi,bj),nhms2sice(bi,bj),sicedates(1,bi,bj), . sicetimes(1,bi,bj),sice,myThid) c Check for Minimum Open-Water SST c -------------------------------- do j=jm1,jm2 do i=im1,im2 if(sice(i,j,bi,bj).eq.0.0 .and. sst(i,j,bi,bj).lt.sstmin) . sst(i,j,bi,bj) = sstmin enddo enddo ENDDO ENDDO _EXCH_XY_RL(sst,myThid) _EXCH_XY_RL(sice,myThid) return end subroutine getsice(iunit,clim,idim1,idim2,jdim1,jdim2,im1,im2, . jm1,jm2,nSumx,nSumy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, . sicebc1,sicebc2,first,nymdbc1,nymdbc2,nhmsbc1,nhmsbc2, . nymdbc,nhmsbc,sice,mythid) C*********************************************************************** C C!ROUTINE: GETSICE C!DESCRIPTION: GETSICE returns the sea ice depth. C! This routine is adaptable for any frequency C! data upto a daily frequency. C! note: for diurnal data ndmax should be increased. C C!INPUT PARAMETERS: C! iunit Unit number assigned to the sice data file C! idim1 Start dimension in x-direction C! idim2 End dimension in x-direction C! jdim1 Start dimension in y-direction C! jdim2 End dimension in y-direction C! im1 Begin of x-direction span for filling sice C! im2 End of x-direction span for filling sice C! jm1 Begin of y-direction span for filling sice C! jm2 End of y-direction span for filling sice C! nSumx Number of processors in x-direction (local processor) C! nSumy Number of processors in y-direction (local processor) C! xsize Number of processors in x-direction (global) C! ysize Number of processors in y-direction (global) C! bi Processor number in x-direction (local to processor) C! bj Processor number in y-direction (local to processor) C! bislot Processor number in x-direction (global) C! bjslot Processor number in y-direction (global) C! nymd YYMMDD of the current model timestep C! nhms HHMMSS of the model time C C!OUTPUT PARAMETERS: C! sice(idim1:idim2,jdim1:jdim2,nSumx,nSumy) Sea ice depth in meters C C!ROUTINES CALLED: C C! bcdata Reads the data for a given unit number C! bcheader Reads the header info for a given unit number C! interp_time Returns weights for linear interpolation C C-------------------------------------------------------------------------- implicit none #include "SIZE.h" integer iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSumx,nSumy integer xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms,mythid logical clim _RL sicebc1(xsize,ysize) _RL sicebc2(xsize,ysize) _RL sice(idim1:idim2,jdim1:jdim2,nSumx,nSumy) integer nhmsbc1,nhmsbc2,nymdbc1,nymdbc2 logical first C Maximum number of dates in one year for the data integer ndmax parameter (ndmax = 370) integer nymdbc(ndmax),nhmsbc(ndmax) character*8 cname character*80 cdscrip character*22 sicedata _RL fac1, fac2, lat0, lon0, timebc1, timebc2, timemod, undef logical found, error integer i,j,n,nn,iyear,iyearbc,nd,ndby3,imbc,jmbc integer ndatebc,nrec integer nymdmod C--------- Variable Initialization --------------------------------- data error /.false./ c save header info save imbc,jmbc,lat0,lon0,ndatebc,undef c this only works for between 1950-2050 if (nymd .lt. 500101) then nymdmod = 20000000 + nymd else if (nymd .le. 991231) then nymdmod = 19000000 + nymd else nymdmod = nymd endif iyear = nymdmod/10000 if(clim) then if(xsize.eq.192)sicedata='sice19232.weekly.clim' if(xsize.eq.612)sicedata='sice612102.weekly.clim' else if(xsize.eq.192) . WRITE(sicedata,'(A,I4)')'sice19232.weekly.y',iyear if(xsize.eq.612) . WRITE(sicedata,'(A,I4)')'sice612102.weekly.y',iyear endif c initialize so that first time through they have values for the check c these values make the iyear .ne. iyearbc true anyways for c for the first time so first isnt checked below. if (first) then nymdbc(2) = 0 nymdbc1 = 0 nymdbc2 = 0 nhmsbc1 = 0 nhmsbc2 = 0 first = .false. endif C---------- Read in Header file ---------------------------------- iyearbc = nymdbc(2)/10000 if( iyear.ne.iyearbc ) then close(iunit) open (iunit,file=sicedata,form='unformatted',access='direct', . recl=xsize*ysize*4) nrec = 1 call bcheader (iunit, ndmax, nrec, . cname, cdscrip, imbc, jmbc, lat0, lon0, . ndatebc, nymdbc, nhmsbc, undef, error) C--------- Check data for Compatibility ------------------------------ C Check for correct data in boundary condition file if (.not.error .and. cname.ne.'SICE') then write(6,*)'Wrong data in SICE boundary condition file => ',cname error = .true. endif C Check Horizontal Resolution if(.not.error.and.imbc*jmbc.ne.xsize*ysize)then write(6,*) ' B.C. Resolution DOES NOT match Model Resolution!' write(6,*) ' B.C. Resolution: ',imbc*jmbc write(6,*) 'Model Resolution: ',xsize*ysize error = .true. endif C Check Year iyearbc = nymdbc(2)/10000 if (.not.error .and. iyear.ne.iyearbc .and. iyearbc.ne.0) then write(6,*)' B.C. Year DOES NOT match REQUESTED Year!' write(6,*)' B.C. Year: ', iyearbc write(6,*)'Requested Year: ', iyear error = .true. endif if (.not.error) then C if climatology, fill dates for data with current model year if (iyearbc.eq.0) then write(6,*) write(6,*) 'Climatological Dataset is being used.' write(6,*) 'Current model year to be used to fill Header Dates' do n = 2, ndatebc-1 nymdbc(n) = nymdbc(n) +(nymdmod/10000)*10000 enddo C For the first date subtract 1 year from the current model NYMD n = 1 nymdbc(n) = nymdbc(n) +(nymdmod/10000-1)*10000 C For the last date add 1 year to the current model NYMD n = ndatebc nymdbc(n) = nymdbc(n) +(nymdmod/10000+1)*10000 endif C Write out header info _BEGIN_MASTER( myThid ) write(6,*) ' Updated boundary condition data' write(6,*) ' ---------------------------------' write(6,*) ' Variable: ',cname write(6,*) ' Description: ',cdscrip write(6,*) ' Resolution: x= ',imbc,' y= ',jmbc, . ' Undefined value = ',undef write(6,*) ' Starting latitude = ',lat0,' longitude =',lon0 write(6,*) ' Data valid at these times: ' ndby3 = ndatebc/3 do n = 1, ndby3*3,3 write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=n,n+2) 1000 format(3(2x,i3,':',i8,2x,i8)) enddo write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=ndby3*3+1,ndatebc) _END_MASTER( myThid ) endif endif C---------- Read sice data if necessary ------------------------------- found = .false. nd = 2 c If model time is not within the times of saved sice data c from previous call to getsice then read new data timemod = dfloat(nymdmod) + dfloat(nhms) /1000000 timebc1 = dfloat(nymdbc1) + dfloat(nhmsbc1)/1000000 timebc2 = dfloat(nymdbc2) + dfloat(nhmsbc2)/1000000 if (timemod .lt. timebc1 .or. timemod .ge. timebc2) then do while (.not.found .and. nd .le. ndatebc) timebc2 = dfloat(nymdbc(nd)) + dfloat(nhmsbc(nd))/1000000 if (timebc2 .gt. timemod) then nymdbc1 = nymdbc(nd-1) nymdbc2 = nymdbc(nd) nhmsbc1 = nhmsbc(nd-1) nhmsbc2 = nhmsbc(nd) call bcdata (iunit,imbc,jmbc,nd,nd+1,sicebc1,sicebc2) found = .true. else nd = nd + 1 endif enddo c Otherwise the data from the last time in getsice surrounds the c current model time. else found = .true. endif if (.not.found) then print *, 'STOP: Could not find SICE dates for model time.' call my_finalize call my_exit (101) endif C---------- Interpolate sice data ------------------------------------ call interp_time(nymdmod,nhms,nymdbc1,nhmsbc1,nymdbc2,nhmsbc2, . fac1,fac2) do j = jm1,jm2 do i = im1,im2 sice(i,j,bi,bj) = sicebc1(i+bislot,j+bjslot)*fac1 . + sicebc2(i+bislot,j+bjslot)*fac2 c average to 0 or 1 c ----------------- if (sice(i,j,bi,bj) .ge. 0.5) then sice(i,j,bi,bj) = 1. else sice(i,j,bi,bj) = 0. endif enddo enddo C---------- Fill sice with depth of ice ------------------------------------ do j = jm1,jm2 do i = im1,im2 if (sice(i,j,bi,bj) .eq. 1.) then sice(i,j,bi,bj) = 3. endif enddo enddo C--------------------------------------------------------------------------- return end subroutine getsst(iunit,clim,idim1,idim2,jdim1,jdim2,im1,im2, . jm1,jm2,nSumx,nSumy,xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms, . sstbc1,sstbc2,first,nymdbc1,nymdbc2,nhmsbc1,nhmsbc2, . nymdbc,nhmsbc,sst,mythid) C*********************************************************************** C C!ROUTINE: GETSST C!DESCRIPTION: GETSST gets the SST data. C! This routine is adaptable for any frequency C! data upto a daily frequency. C! note: for diurnal data ndmax should be increased. C C!INPUT PARAMETERS: C! iunit Unit number assigned to the sice data file C! idim1 Start dimension in x-direction C! idim2 End dimension in x-direction C! jdim1 Start dimension in y-direction C! jdim2 End dimension in y-direction C! im1 Begin of x-direction span for filling sst C! im2 End of x-direction span for filling sst C! jm1 Begin of y-direction span for filling sst C! jm2 End of y-direction span for filling sst C! nSumx Number of processors in x-direction (local processor) C! nSumy Number of processors in y-direction (local processor) C! xsize x-dimension of global array C! ysize y-dimension of global array C! bi Processor number in x-direction (local to processor) C! bj Processor number in y-direction (local to processor) C! bislot Slot number into global array in x-direction (global) C! bjslot Slot number into global array in y-direction (global) C! nymd YYMMDD of the current model timestep C! nhms HHMMSS of the model time C C!OUTPUT PARAMETERS: C! sst(idim1:idim2,jdim1:jdim2,nSumx,nSumy) Sea surface temperature (K) C C!ROUTINES CALLED: C C! bcdata Reads the data for a given unit number C! bcheader Reads the header info for a given unit number C! interp_time Returns weights for linear interpolation C C-------------------------------------------------------------------------- implicit none #include "SIZE.h" integer iunit,idim1,idim2,jdim1,jdim2,im1,im2,jm1,jm2,nSumx,nSumy integer xsize,ysize,bi,bj,bislot,bjslot,nymd,nhms,mythid logical clim _RL sstbc1(xsize,ysize) _RL sstbc2(xsize,ysize) _RL sst(idim1:idim2,jdim1:jdim2,nSumx,nSumy) integer nhmsbc1,nhmsbc2,nymdbc1,nymdbc2 logical first C Maximum number of dates in one year for the data integer ndmax parameter (ndmax = 370) integer nymdbc(ndmax),nhmsbc(ndmax) character*8 cname character*80 cdscrip character*21 sstdata _RL fac1, fac2, lat0, lon0, timebc1, timebc2, timemod, undef logical found, error integer i,j,n,nn,iyear,iyearbc,nd,ndby3,imbc,jmbc integer ndatebc,nrec integer nymdmod C--------- Variable Initialization --------------------------------- data error /.false./ c save header info save imbc,jmbc,lat0,lon0,ndatebc,undef c this only works for between 1950-2050 if (nymd .lt. 500101) then nymdmod = 20000000 + nymd else if (nymd .le. 991231) then nymdmod = 19000000 + nymd else nymdmod = nymd endif iyear = nymdmod/10000 if(clim) then if(xsize.eq.192)sstdata='sst19232.weekly.clim' if(xsize.eq.612)sstdata='sst612102.weekly.clim' else if(xsize.eq.192) . WRITE(sstdata,'(A,I4)')'sst19232.weekly.y',iyear if(xsize.eq.612) . WRITE(sstdata,'(A,I4)')'sst612102.weekly.y',iyear endif c initialize so that first time through they have values for the check c these vaules make the iyear .ne. iyearbc true anyways for c for the first time so first isnt checked below. if (first) then nymdbc(2) = 0 nymdbc1 = 0 nymdbc2 = 0 nhmsbc1 = 0 nhmsbc2 = 0 first = .false. endif C---------- Read in Header file ---------------------------------- iyearbc = nymdbc(2)/10000 if( iyear.ne.iyearbc ) then close(iunit) open (iunit,file=sstdata,form='unformatted',access='direct', . recl=xsize*ysize*4) nrec = 1 call bcheader (iunit, ndmax, nrec, . cname, cdscrip, imbc, jmbc, lat0, lon0, . ndatebc, nymdbc, nhmsbc, undef, error) C--------- Check data for Compatibility C Check for correct data in boundary condition file if (.not.error .and. cname.ne.'SST') then write(6,*)'Wrong data in SST boundary condition file => ',cname error = .true. endif C Check Horizontal Resolution if(.not.error.and.imbc*jmbc.ne.xsize*ysize)then write(6,*) ' B.C. Resolution DOES NOT match Model Resolution!' write(6,*) ' B.C. Resolution: ',imbc*jmbc write(6,*) 'Model Resolution: ',xsize*ysize error = .true. endif C Check Year iyearbc = nymdbc(2)/10000 if (.not.error .and. iyear.ne.iyearbc .and. iyearbc.ne.0) then write(6,*)' B.C. Year DOES NOT match REQUESTED Year!' write(6,*)' B.C. Year: ', iyearbc write(6,*)'Requested Year: ', iyear error = .true. endif if (.not.error) then C if climatology, fill dates for data with current model year if (iyearbc.eq.0) then write(6,*) write(6,*)'Climatological Dataset is being used.' write(6,*)'Current model year is used to fill Header Dates' do n = 2, ndatebc-1 nymdbc(n) = nymdbc(n) +(nymdmod/10000)*10000 enddo C For the first date subtract 1 year from the current model NYMD n = 1 nymdbc(n) = nymdbc(n) +(nymdmod/10000-1)*10000 C For the last date add 1 year to the current model NYMD n = ndatebc nymdbc(n) = nymdbc(n) +(nymdmod/10000+1)*10000 endif C Write out header info _BEGIN_MASTER( myThid ) write(6,*) ' Updated boundary condition data' write(6,*) ' ---------------------------------' write(6,*) ' Variable: ',cname write(6,*) ' Description: ',cdscrip write(6,*) ' Resolution: x= ',imbc,' y= ',jmbc, . ' Undefined value = ',undef write(6,*) ' Starting latitude = ',lat0,' longitude =',lon0 write(6,*) ' Data valid at these times: ' ndby3 = ndatebc/3 do n = 1, ndby3*3,3 write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=n,n+2) 1000 format(3(2x,i3,':',i8,2x,i8)) enddo write(6,1000) (nn,nymdbc(nn),nhmsbc(nn),nn=ndby3*3+1,ndatebc) _END_MASTER( myThid ) endif if( error ) call my_exit (101) endif C---------- Read SST data if necessary ------------------------------- found = .false. nd = 2 c If model time is not within the times of saved sst data c from previous call to getsst then read new data timemod = dfloat(nymdmod) + dfloat(nhms) /1000000 timebc1 = dfloat(nymdbc1) + dfloat(nhmsbc1)/1000000 timebc2 = dfloat(nymdbc2) + dfloat(nhmsbc2)/1000000 if (timemod .lt. timebc1 .or. timemod .ge. timebc2) then do while (.not.found .and. nd .le. ndatebc) timebc2 = dfloat(nymdbc(nd)) + dfloat(nhmsbc(nd))/1000000 if (timebc2 .gt. timemod) then nymdbc1 = nymdbc(nd-1) nymdbc2 = nymdbc(nd) nhmsbc1 = nhmsbc(nd-1) nhmsbc2 = nhmsbc(nd) call bcdata (iunit,imbc,jmbc,nd,nd+1,sstbc1,sstbc2) found = .true. else nd = nd + 1 endif enddo c Otherwise the data from the last time in getsst surrounds the c current model time. else found = .true. endif if (.not.found) then print *, 'STOP: Could not find SST dates for model time.' call my_finalize call my_exit (101) endif C---------- Interpolate SST data ------------------------------------ call interp_time(nymdmod,nhms,nymdbc1,nhmsbc1,nymdbc2,nhmsbc2, . fac1,fac2) do j = jm1,jm2 do i = im1,im2 sst(i,j,bi,bj) = sstbc1(i+bislot,j+bjslot)*fac1 . + sstbc2(i+bislot,j+bjslot)*fac2 enddo enddo return end subroutine bcdata (iunit,im,jm,nrec1,nrec2,field1,field2) C************************************************************************ C C!ROUTINE: BCDATA C!DESCRIPTION: BCDATA reads the data from the file assigned to the C! passed unit number and returns data from the two times C! surrounding the current model time. The two record C! postitions are not assumed to be next to each other. C C!INPUT PARAMETERS: C! im number of x points C! im number of x points C! nrec1 record number of the time before the model time C! nrec2 record number of the time after the model time C C!OUTPUT PARAMETERS: C! field1(im,jm) data field before the model time C! field2(im,jm) data field after the model time C C-------------------------------------------------------------------------- implicit none integer iunit,im,jm,nrec1,nrec2 _RL field1(im,jm) _RL field2(im,jm) integer i,j real*4 f1(im,jm), f2(im,jm) C--------- Read file ----------------------------------------------- read(iunit,rec=nrec1) f1 read(iunit,rec=nrec2) f2 #ifdef _BYTESWAPIO call MDS_BYTESWAPR4( im*jm, f1) call MDS_BYTESWAPR4( im*jm, f2) #endif do j=1,jm do i=1,im field1(i,j) = f1(i,j) field2(i,j) = f2(i,j) enddo enddo return end subroutine bcheader (iunit, ndmax, nrec, . cname, cdscrip, im, jm, lat0, lon0, ndatebc, . nymdbc, nhmsbc, undef, error) C************************************************************************ C C!ROUTINE: BCHEADER C!DESCRIPTION: BCHEADER reads the header from a file and returns the info. C C!INPUT PARAMETERS: C! iunit unit number assigned to the data file C! ndmax maximum number of date/times of the data C! nrec record number of the header info (or assume 1 ?) C C!OUTPUT PARAMETERS: C! cname name of the data in the file header C! cdscrip description of the data in the file header C! im number of x points C! jm number of y points C! lat0 starting latitude for the data grid C! lon0 starting longitude for the data grid C! ndatebc number of date/times of the data in the file C! nymdbc(ndmax) array of dates for the data including century C! nhmsbc(ndmax) array of times for the data C! undef value for undefined values in the data C! error logical TRUE if dataset problem C C-------------------------------------------------------------------------- implicit none integer iunit, ndmax, nrec character*8 cname character*80 cdscrip character*112 dummy112 integer im,jm,ndatebc,nymdbc(ndmax),nhmsbc(ndmax) _RL lat0,lon0,undef logical error integer i integer*4 im_32,jm_32 integer*4 ndatebc_32,nhmsbc_32(ndmax),nymdbc_32(ndmax) real*4 lat0_32,lon0_32,undef_32 C--------- Read file ----------------------------------------------- read(iunit,rec=nrec,err=500) cname, cdscrip, . im_32, jm_32, lat0_32, lon0_32, . ndatebc_32, undef_32 #ifdef _BYTESWAPIO call MDS_BYTESWAPI4( 1, im_32) call MDS_BYTESWAPI4( 1, jm_32) call MDS_BYTESWAPR4( 1, lat0_32) call MDS_BYTESWAPR4( 1, lon0_32) call MDS_BYTESWAPI4( 1, ndatebc_32) call MDS_BYTESWAPR4( 1, undef_32) #endif read(iunit,rec=nrec,err=500) dummy112, . (nymdbc_32(i), nhmsbc_32(i), i=1,ndatebc_32) im = im_32 jm = jm_32 lat0 = lat0_32 lon0 = lon0_32 undef = undef_32 ndatebc = ndatebc_32 do i=1,ndatebc #ifdef _BYTESWAPIO call MDS_BYTESWAPI4( 1, nymdbc_32(i)) call MDS_BYTESWAPI4( 1, nhmsbc_32(i)) #endif nymdbc(i) = nymdbc_32(i) nhmsbc(i) = nhmsbc_32(i) enddo return 500 continue print *, 'Error reading boundary condition from unit ',iunit error = .true. return end