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setupw.f90
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module w_setup
implicit none
private
public:: setup
interface setup; module procedure setupw; end interface
contains
!-------------------------------------------------------------------------
! NOAA/NCEP, National Centers for Environmental Prediction GSI !
!-------------------------------------------------------------------------
!BOP
!
! !ROUTINE: setupw --- Compute rhs of oi for wind component obs
!
! !INTERFACE:
!
subroutine setupw(obsLL,odiagLL,lunin,mype,bwork,awork,nele,nobs,is,conv_diagsave)
! !USES:
use mpeu_util, only: die,perr,getindex
use state_vectors, only: svars3d, levels, nsdim
use kinds, only: r_kind,r_single,r_double,i_kind
use m_obsdiagNode, only: obs_diag
use m_obsdiagNode, only: obs_diags
use m_obsdiagNode, only: obsdiagLList_nextNode
use m_obsdiagNode, only: obsdiagNode_set
use m_obsdiagNode, only: obsdiagNode_get
use m_obsdiagNode, only: obsdiagNode_assert
use obsmod, only: rmiss_single,perturb_obs,oberror_tune,lobsdiag_forenkf,&
lobsdiagsave,nobskeep,lobsdiag_allocated,&
time_offset,bmiss,ianldate
use m_obsNode, only: obsNode
use m_wNode, only: wNode
use m_wNode, only: wNode_appendto
use m_wNode, only: wNode_ich0
use m_wNode, only: wNode_ich0_PBL_pseudo
use m_obsLList, only: obsLList
use obsmod, only: luse_obsdiag
use obsmod, only: netcdf_diag, binary_diag, dirname
use nc_diag_write_mod, only: nc_diag_init, nc_diag_header, nc_diag_metadata, &
nc_diag_write, nc_diag_data2d
use nc_diag_read_mod, only: nc_diag_read_init, nc_diag_read_get_dim, nc_diag_read_close
use gsi_4dvar, only: nobs_bins,hr_obsbin,min_offset
use qcmod, only: npres_print,ptop,pbot,dfact,dfact1,qc_satwnds,njqc,vqc
use oneobmod, only: oneobtest,oneob_type,magoberr,maginnov
use gridmod, only: get_ijk,nsig,twodvar_regional,regional,wrf_nmm_regional,&
rotate_wind_xy2ll,pt_ll
use guess_grids, only: nfldsig,hrdifsig,geop_hgtl,sfcmod_gfs
use guess_grids, only: tropprs,sfcmod_mm5
use guess_grids, only: ges_lnprsl,comp_fact10,pbl_height
use constants, only: zero,half,one,tiny_r_kind,two,cg_term, &
three,rd,grav,four,five,huge_single,r1000,wgtlim,r10,r400
use constants, only: grav_ratio,flattening,deg2rad, &
grav_equator,somigliana,semi_major_axis,eccentricity
use jfunc, only: jiter,last,jiterstart,miter
use convinfo, only: nconvtype,cermin,cermax,cgross,cvar_b,cvar_pg,ictype
use convinfo, only: icsubtype
use converr_uv, only: ptabl_uv
use converr, only: ptabl
use rapidrefresh_cldsurf_mod, only: l_PBL_pseudo_SurfobsUV, pblH_ration,pps_press_incr
use rapidrefresh_cldsurf_mod, only: l_closeobs, i_gsdqc
use m_dtime, only: dtime_setup, dtime_check
use gsi_bundlemod, only : gsi_bundlegetpointer
use gsi_metguess_mod, only : gsi_metguess_get,gsi_metguess_bundle
use sparsearr, only: sparr2, new, size, writearray, fullarray
implicit none
type(obsLList ),target,dimension(:),intent(in):: obsLL
type(obs_diags),target,dimension(:),intent(in):: odiagLL
! !INPUT PARAMETERS:
integer(i_kind) ,intent(in ) :: lunin ! unit from which to read observations
integer(i_kind) ,intent(in ) :: mype ! mpi task id
integer(i_kind) ,intent(in ) :: nele ! number of data elements per observation
integer(i_kind) ,intent(in ) :: nobs ! number of observations
integer(i_kind) ,intent(in ) :: is ! ndat index
logical ,intent(in ) :: conv_diagsave ! logical to save innovation dignostics
!=====================================
! Loon
integer(i_kind),parameter:: loon_id = 599
!=====================================
! !INPUT/OUTPUT PARAMETERS:
real(r_kind),dimension(npres_print,nconvtype,5,3),intent(inout) :: bwork ! obs-ges stats
real(r_kind),dimension(100+7*nsig) ,intent(inout) :: awork ! data counts and gross checks
!
! !DESCRIPTION: For wind component observations, this routine
! \begin{enumerate}
! \item reads obs assigned to given mpi task (geographic region),
! \item simulates obs from guess,
! \item apply some quality control to obs,
! \item load weight and innovation arrays used in minimization
! \item collects statistics for runtime diagnostic output
! \item writes additional diagnostic information to output file
! \end{enumerate}
!
! !REVISION HISTORY:
!
! 1990-10-06 parrish
! 1998-04-10 weiyu yang
! 1999-03-01 wu - ozone processing moved into setuprhs from setupoz
! 1999-08-24 derber, j., treadon, r., yang, w., first frozen mpp version
! 2004-06-17 treadon - update documentation
! 2004-07-15 todling - protex-compliant prologue; added intent/only's
! 2004-10-06 parrish - increase size of vwork array for nonlinear qc
! 2004-11-22 derber - remove weight, add logical for boundary point
! 2004-12-22 treadon - move logical conv_diagsave from obsmod to argument list
! 2005-03-02 dee - remove garbage from diagnostic file
! 2005-03-09 parrish - nonlinear qc change to account for inflated obs error
! 2005-05-27 derber - level output change
! 2005-07-22 jung - add modis winds
! 2005-07-27 derber - add print of monitoring and reject data
! 2005-09-28 derber - combine with prep,spr,remove tran and clean up
! 2005-10-14 derber - input grid location and fix regional lat/lon
! 2005-10-21 su - modified variational qc and diagnose output
! 2005-11-03 treadon - correct error in ilone,ilate data array indices
! 2005-11-22 wu - add option to perturb conventional obs
! 2005-11-29 derber - remove psfcg and use ges_lnps instead
! 2006-01-13 treadon - correct bugs in modis wind qc
! 2006-01-31 todling - storing wgt/wgtlim in diag file instead of wgt only
! 2006-02-02 treadon - rename lnprsl as ges_lnprsl
! 2006-02-08 treadon - correct vertical dimension (nsig) in call tintrp2a(ges_tv...)
! 2006-02-15 treadon - use height when processing type 223, 224, 229 winds
! 2006-02-24 derber - modify to take advantage of convinfo module
! 2006-03-21 treadon - modify optional perturbation to observation
! 2006-04-03 derber - fix bugs and move all surface data to height calculation
! 2006-05-30 su,derber,treadon - modify diagnostic output
! 2006-06-06 su - move to wgtlim to constants module
! 2006-07-28 derber - modify to use new inner loop obs data structure
! - modify handling of multiple data at same location
! 2006-07-31 kleist - use ges_ps instead of ln(ps)
! 2006-08-28 su - fix a bug in variational qc
! 2006-11-30 jung/sienkiewicz - add type 259 for modis winds
! 2006-10-28 su - turn off rawinsonde Vqc at south hemisphere
! 2007-03-09 su - modify observation pertabation for adjusting obs error
! 2007-03-19 tremolet - binning of observations
! 2007-03-27 li.bi - add qc for type 289 windsat winds
! 2007-06-05 tremolet - add observation diagnostics structure
! 2007-08-28 su - modify observation gross check error
! 2008-03-24 wu - oberror tuning and perturb obs
! 2008-03-31 li.bi - add qc for type 290 ascat winds
! 2008-05-20 safford - rm unused vars
! 2008-09-08 lueken - merged ed's changes into q1fy09 code
! 2008-12-03 todling - changed handle of tail%time
! 2009-08-19 guo - changed for multi-pass setup with dtime_check().
! 2009-02-06 pondeca - for each observation site, add the following to the
! diagnostic file: local terrain height, dominate surface
! type, station provider name, and station subprovider name
! 2010-11-25 su - data items to hold quality mark for satellite wind
! 2011-03-08 parrish - for regional=.true., convert wind components in rdiagbuf from grid relative
! to earth relative, using subroutine rotate_wind_xy2ll.
! 2011-05-05 su - ome quality control for satellite satellite winds
! 2012-01-10 hu - add additional quality control for PBL profiler 223, 224, 227
! 2011-12-14 wu - add code for rawinsonde level enhancement ( ext_sonde )
! 2012-07-19 todling - add qc_satwnds flag to allow bypass QC-satwinds (QC not good for GMAO)
! 2011-10-14 Hu - add code for producing pseudo-obs in PBL
! layer based on surface obs UV
! 2013-01-08 Su -add more quality control for satellite winds and profiler winds
! 2013-01-26 parrish - change grdcrd to grdcrd1, intrp2a to intrp2a11, tintrp2a to tintrp2a1, tintrp2a11,
! tintrp3 to tintrp31 (so debug compile works on WCOSS)
! 2013-02-15 parrish - WCOSS debug runtime error--ikx outside range 1 to nconvtype. Add counter
! num_bad_ikx and print 1st 10 instances of ikx out of range
! and also print num_bad_ikx after all data processed if > 0 .
! 2013-05-24 wu - move rawinsonde level enhancement ( ext_sonde ) to read_prepbufr
! 2013-07-19 Hu/Olson/Carley - Add tall tower (type=261) winds
! 2013-10-19 todling - metguess now holds background
! 2014-01-28 todling - write sensitivity slot indicator (ioff) to header of diagfile
! 2014-04-12 su - add non linear qc from Purser's scheme
! 2014-12-30 derber - Modify for possibility of not using obsdiag
! 2015-05-01 Liu Ling - Added ISS Rapidscat wind (u,v) qc
! 2015-03-14 Nebuda - add departure check and near surface check for clear air WV AMV (WVCS) from GOES type 247
! 2015-10-01 guo - full res obvsr: index to allow redistribution of obsdiags
! 2015-12-21 yang - Parrish's correction to the previous code in new varqc.
! 2016-05-18 guo - replaced ob_type with polymorphic obsNode through type casting
! 2016-06-24 guo - fixed the default value of obsdiags(:,:)%tail%luse to luse(i)
! . removed (%dlat,%dlon) debris.
! 2016-11-29 shlyaeva - save linearized H(x) for EnKF
! 2016-12-09 mccarty - add netcdf_diag capability
! 2016-12-13 pondeca - add Tyndall & Horel QC for mesonet winds (WAF 2013, Vol. 8, pg. 285) to GSI's 2dvar option
! 2017-03-31 Hu - addd option l_closeobs to use closest obs to analysis
! time in analysis
! 2017-02-09 guo - Remove m_alloc, n_alloc.
! . Remove my_node with corrected typecast().
! 2018-04-09 pondeca - introduce duplogic to correctly handle the characterization of
! duplicate obs in twodvar_regional applications
!
!
! REMARKS:
! language: f90
! machine: ibm RS/6000 SP; SGI Origin 2000; Compaq HP
!
! !AUTHOR: parrish org: np22 date: 1990-10-06
!
!EOP
!-------------------------------------------------------------------------
! Declare local parameters
real(r_kind),parameter:: r0_7=0.7_r_kind
real(r_kind),parameter:: r0_1=1.0_r_kind
real(r_kind),parameter:: r6=6.0_r_kind
real(r_kind),parameter:: r7=7.0_r_kind
real(r_kind),parameter:: r15=15.0_r_kind
real(r_kind),parameter:: r20=20.0_r_kind
real(r_kind),parameter:: r50=50.0_r_kind
real(r_kind),parameter:: r200=200.0_r_kind
real(r_kind),parameter:: r360=360.0_r_kind
real(r_kind),parameter:: r0_1_bmiss=0.1_r_kind*bmiss
character(len=*),parameter:: myname='setupw'
! Declare external calls for code analysis
external:: intrp2a11,tintrp2a1,tintrp2a11
external:: tintrp31
external:: grdcrd1
external:: stop2
! Declare local variables
real(r_double) rstation_id
real(r_kind) qcu,qcv,trop5,tfact,fact
real(r_kind) scale,ratio,obserror,obserrlm
real(r_kind) residual,ressw,ress,val,val2,valqc2,dudiff,dvdiff
real(r_kind) valqc,valu,valv,dx10,rlow,rhgh,drpx,prsfc,var_jb
real(r_kind) cg_w,wgross,wnotgross,wgt,arg,exp_arg,term,rat_err2,qcgross
real(r_kind) presw,factw,dpres,ugesin,vgesin,rwgt,dpressave
real(r_kind) sfcchk,prsln2,error,dtime,dlon,dlat,r0_001,rsig,thirty,rsigp
real(r_kind) ratio_errors,goverrd,spdges,spdob,ten,psges,zsges
real(r_kind) slat,sin2,termg,termr,termrg,pobl,uob,vob
real(r_kind) uob_reg,vob_reg,uob_e,vob_e,dlon_e,uges_e,vges_e,dudiff_e,dvdiff_e
real(r_kind) dz,zob,z1,z2,p1,p2,dz21,dlnp21,spdb,dstn
real(r_kind) errinv_input,errinv_adjst,errinv_final
real(r_kind) err_input,err_adjst,err_final,skint,sfcr
real(r_kind) dudiff_opp, dvdiff_opp, vecdiff, vecdiff_opp
real(r_kind) dudiff_opp_rs, dvdiff_opp_rs, vecdiff_rs, vecdiff_opp_rs
real(r_kind) oscat_vec,ascat_vec,rapidscat_vec
real(r_kind),dimension(nele,nobs):: data
real(r_kind),dimension(nobs):: dup
real(r_kind),dimension(nsig)::prsltmp,tges,zges
real(r_kind) wdirob,wdirgesin,wdirdiffmax
real(r_kind),dimension(34)::ptabluv
real(r_single),allocatable,dimension(:,:)::rdiagbuf
integer(i_kind) i,nchar,nreal,k,j,l,ii,itype,ijb
! Variables needed for new polar winds QC based on Log Normalized Vector Departure (LNVD)
real(r_kind) LNVD_wspd
real(r_kind) LNVD_omb
real(r_kind) LNVD_ratio
real(r_kind) LNVD_threshold
integer(i_kind) jsig,mm1,iptrbu,iptrbv,jj,icat
integer(i_kind) k1,k2,ikxx,nn,isli,ibin,ioff,ioff0
integer(i_kind) ier,ilon,ilat,ipres,iuob,ivob,id,itime,ikx,ielev,iqc
integer(i_kind) ihgt,ier2,iuse,ilate,ilone
integer(i_kind) izz,iprvd,isprvd
integer(i_kind) idomsfc,isfcr,iskint,iff10
integer(i_kind) num_bad_ikx
character(8) station_id
character(8),allocatable,dimension(:):: cdiagbuf
character(8),allocatable,dimension(:):: cprvstg,csprvstg
character(8) c_prvstg,c_sprvstg
real(r_double) r_prvstg,r_sprvstg
type(sparr2) :: dhx_dx_u, dhx_dx_v
real(r_single), dimension(nsdim) :: dhx_dx_array
integer(i_kind) :: iz, u_ind, v_ind, nnz, nind
real(r_kind) :: delz
logical z_height,sfc_data
logical,dimension(nobs):: luse,muse
logical:: muse_u,muse_v
integer(i_kind),dimension(nobs):: ioid ! initial (pre-distribution) obs ID
logical lowlevelsat,duplogic
logical proceed
logical:: l_pbl_pseudo_itype
integer(i_kind):: ich0
logical:: in_curbin, in_anybin, save_jacobian
type(wNode),pointer :: my_head
type(obs_diag),pointer :: jj_diag
type(obs_diag),pointer :: my_diagu, my_diagu_pbl
type(obs_diag),pointer :: my_diagv, my_diagv_pbl
type(obs_diags),pointer :: my_diagLL
real(r_kind) :: thisPBL_height,ratio_PBL_height,prest,prestsfc,dudiffsfc,dvdiffsfc
real(r_kind) :: hr_offset
equivalence(rstation_id,station_id)
equivalence(r_prvstg,c_prvstg)
equivalence(r_sprvstg,c_sprvstg)
real(r_kind),allocatable,dimension(:,:,: ) :: ges_ps
real(r_kind),allocatable,dimension(:,:,: ) :: ges_z
real(r_kind),allocatable,dimension(:,:,:,:) :: ges_u
real(r_kind),allocatable,dimension(:,:,:,:) :: ges_v
real(r_kind),allocatable,dimension(:,:,:,:) :: ges_tv
type(obsLList),pointer,dimension(:):: whead
whead => obsLL(:)
save_jacobian = conv_diagsave .and. jiter==jiterstart .and. lobsdiag_forenkf
! Check to see if required guess fields are available
call check_vars_(proceed)
if(.not.proceed) return ! not all vars available, simply return
! If require guess vars available, extract from bundle ...
call init_vars_
!******************************************************************************
! Read and reformat observations in work arrays.
spdb=zero
read(lunin)data,luse,ioid
! index information for data array (see reading routine)
ier=1 ! index of obs error
ilon=2 ! index of grid relative obs location (x)
ilat=3 ! index of grid relative obs location (y)
ipres=4 ! index of pressure
ihgt=5 ! index of height
iuob=6 ! index of u observation
ivob=7 ! index of v observation
id=8 ! index of station id
itime=9 ! index of observation time in data array
ikxx=10 ! index of ndex ob type in convinfo file
ielev=11 ! index of station elevation
iqc=12 ! index of quality mark
ier2=13 ! index of original-original obs error ratio
iuse=14 ! index of use parameter
idomsfc=15 ! index of dominant surface type
iskint=16 ! index of surface skin temperature
iff10=17 ! index of 10 meter wind factor
isfcr=18 ! index of surface roughness
ilone=19 ! index of longitude (degrees)
ilate=20 ! index of latitude (degrees)
izz=21 ! index of surface height
iprvd=22 ! index of observation provider
isprvd=23 ! index of observation subprovider
icat=24 ! index of data level category
ijb=25 ! index of non linear qc parameter
iptrbu=26 ! index of u perturbation
iptrbv=27 ! index of v perturbation
mm1=mype+1
scale=one
rsig=nsig
thirty = 30.0_r_kind
ten = 10.0_r_kind
r0_001=0.001_r_kind
rsigp=rsig+one
goverrd=grav/rd
var_jb=zero
! If requested, save select data for output to diagnostic file
if(conv_diagsave)then
ii=0
nchar=1
ioff0=25
nreal=ioff0
if (lobsdiagsave) nreal=nreal+7*miter+2
if (twodvar_regional) then; nreal=nreal+2; allocate(cprvstg(nobs),csprvstg(nobs)); endif
if (save_jacobian) then
nnz = 2 ! number of non-zero elements in dH(x)/dx profile
nind = 1
call new(dhx_dx_u, nnz, nind)
call new(dhx_dx_v, nnz, nind)
nreal = nreal + 2*size(dhx_dx_u)
endif
allocate(cdiagbuf(nobs),rdiagbuf(nreal,nobs))
if (netcdf_diag) call init_netcdf_diag_
end if
do i=1,nobs
muse(i)=nint(data(iuse,i)) <= jiter
end do
! handle multiple-report observations at a station
hr_offset=min_offset/60.0_r_kind
dup=one
do k=1,nobs
do l=k+1,nobs
if (twodvar_regional) then
duplogic=data(ilat,k) == data(ilat,l) .and. &
data(ilon,k) == data(ilon,l) .and. &
data(ier,k) < r1000 .and. data(ier,l) < r1000 .and. &
muse(k) .and. muse(l)
else
duplogic=data(ilat,k) == data(ilat,l) .and. &
data(ilon,k) == data(ilon,l) .and. &
data(ipres,k) == data(ipres,l) .and. &
data(ier,k) < r1000 .and. data(ier,l) < r1000 .and. &
muse(k) .and. muse(l)
end if
if (duplogic) then
if(l_closeobs) then
if(abs(data(itime,k)-hr_offset)<abs(data(itime,l)-hr_offset)) then
muse(l)=.false.
else
muse(k)=.false.
endif
! write(*,'(a,2f10.5,2I8,2L10)') 'chech wind obs time==',&
! data(itime,k)-hr_offset,data(itime,l)-hr_offset,k,l,&
! muse(k),muse(l)
else
tfact=min(one,abs(data(itime,k)-data(itime,l))/dfact1)
dup(k)=dup(k)+one-tfact*tfact*(one-dfact)
dup(l)=dup(l)+one-tfact*tfact*(one-dfact)
endif
end if
end do
end do
call dtime_setup()
num_bad_ikx=0
loop_for_all_obs: &
do i=1,nobs
dtime=data(itime,i)
call dtime_check(dtime, in_curbin, in_anybin)
if(.not.in_anybin) cycle
ikx=nint(data(ikxx,i))
if(in_curbin) then
dlat=data(ilat,i)
dlon=data(ilon,i)
rstation_id = data(id,i)
error=data(ier2,i)
var_jb=data(ijb,i)
if(ikx < 1 .or. ikx > nconvtype) then
num_bad_ikx=num_bad_ikx+1
if(num_bad_ikx<=10) write(6,*)' in setupw, bad ikx, ikx,i,nconvtype=',ikx,i,nconvtype
cycle
end if
isli = data(idomsfc,i)
endif
if(ikx < 1 .or. ikx > nconvtype) cycle
itype=ictype(ikx)
! Link observation to appropriate observation bin
if (nobs_bins>1) then
ibin = NINT( dtime/hr_obsbin ) + 1
else
ibin = 1
endif
IF (ibin<1.OR.ibin>nobs_bins) write(6,*)mype,'Error nobs_bins,ibin= ',nobs_bins,ibin
! Link obs to diagnostics structure
if (luse_obsdiag) my_diagLL => odiagLL(ibin)
! Flag static conditions to turn pbl_pseudo_surfobs on
l_pbl_pseudo_itype = l_PBL_pseudo_SurfobsUV .and. &
( itype==281 .or. itype==283 .or.itype==287 )
if (luse_obsdiag) then
my_diagu => null()
my_diagv => null()
my_diagu_pbl => null()
my_diagv_pbl => null()
ich0 = wNode_ich0
if(l_pbl_pseudo_itype) ich0 = wNode_ich0_pbl_pseudo
do jj=1,ich0+2 ! "2" for there are u and v components
jj_diag => obsdiagLList_nextNode(my_diagLL, &
create = .not.lobsdiag_allocated ,&
idv = is ,&
iob = ioid(i) ,&
ich = jj ,&
elat = data(ilate,i) ,&
elon = data(ilone,i) ,&
luse = luse(i) ,&
miter = miter )
if(.not.associated(jj_diag)) then
call perr(myname,'obsdiagLList_nextNode(), create =',.not.lobsdiag_allocated)
call perr(myname,' ich0 =',ich0)
call perr(myname,' jj =',jj)
call die(myname)
endif
select case(jj)
case(1); my_diagu => jj_diag
case(2); my_diagv => jj_diag
case(3); my_diagu_pbl => jj_diag
case(4); my_diagv_pbl => jj_diag
end select
enddo
endif
if(.not.in_curbin) cycle
! Load observation error and values into local variables
obserror = max(cermin(ikx),min(cermax(ikx),data(ier,i)))
uob = data(iuob,i)
vob = data(ivob,i)
spdob=sqrt(uob*uob+vob*vob)
call tintrp2a11(ges_ps,psges,dlat,dlon,dtime,hrdifsig,&
mype,nfldsig)
call tintrp2a1(ges_lnprsl,prsltmp,dlat,dlon,dtime,hrdifsig,&
nsig,mype,nfldsig)
! Type 221=pibal winds contain a mixture of wind observations reported
! by pressure and others by height. Those levels only reported by
! pressure have a missing value (ie, large) value for the reported
! height. The logic below determines whether to process type 221
! wind observations using height or pressure as the vertical coordinate.
! If height is not bad (less than r0_1_bmiss), we use height in the
! forward model. Otherwise, use reported pressure.
z_height = .false.
if ((itype>=221 .and. itype <= 229) .and. (data(ihgt,i)<r0_1_bmiss)) z_height = .true.
if ((itype==261) .and. (data(ihgt,i)<r0_1_bmiss)) z_height = .true.
! Process observations reported with height differently than those
! reported with pressure. Type 223=profiler and 224=vadwnd are
! encoded in NCEP prepbufr files with geometric height above
! sea level. Type 229=pibal profiler is reported using
! geopotenital height. Some type 221=pibal wind observations are
! also repoted using geopotential height.
sfc_data = (itype >=280 .and. itype < 300) .and. (.not.twodvar_regional)
if (z_height .or. sfc_data) then
drpx = zero
dpres = data(ihgt,i)
dstn = data(ielev,i)
call tintrp2a11(ges_z,zsges,dlat,dlon,dtime,hrdifsig,&
mype,nfldsig)
! Subtract off combination of surface station elevation and
! model elevation depending on how close to surface
fact = zero
if(dpres-dstn > 10._r_kind)then
if(dpres-dstn > r1000)then
fact = one
else
fact=(dpres-dstn)/990._r_kind
end if
end if
dpres=dpres-(dstn+fact*(zsges-dstn))
if(itype==261) dpres = data(ihgt,i)
! Get guess surface elevation and geopotential height profile
! at observation location.
call tintrp2a1(geop_hgtl,zges,dlat,dlon,dtime,hrdifsig,&
nsig,mype,nfldsig)
! For observation reported with geometric height above sea level,
! convert geopotential to geometric height.
if ((itype>=223 .and. itype<=228) .or. sfc_data) then
! Convert geopotential height at layer midpoints to geometric
! height using equations (17, 20, 23) in MJ Mahoney's note
! "A discussion of various measures of altitude" (2001).
! Available on the web at
! http://mtp.jpl.nasa.gov/notes/altitude/altitude.html
!
! termg = equation 17
! termr = equation 21
! termrg = first term in the denominator of equation 23
! zges = equation 23
slat = data(ilate,i)*deg2rad
sin2 = sin(slat)*sin(slat)
termg = grav_equator * &
((one+somigliana*sin2)/sqrt(one-eccentricity*eccentricity*sin2))
termr = semi_major_axis /(one + flattening + grav_ratio - &
two*flattening*sin2)
termrg = (termg/grav)*termr
do k=1,nsig
zges(k) = (termr*zges(k)) / (termrg-zges(k)) ! eq (23)
end do
endif
! Given observation height, (1) adjust 10 meter wind factor if
! necessary, (2) convert height to grid relative units, (3) compute
! compute observation pressure (for diagnostic purposes only), and
! (4) compute location of midpoint of first model layer above surface
! in grid relative units
! Adjust 10m wind factor if necessary. Rarely do we have a
! profiler/vad obs within 10 meters of the surface. Almost always,
! the code below resets the 10m wind factor to 1.0 (i.e., no
! reduction in wind speed due to surface friction).
! Convert observation height (in dpres) from meters to grid relative
! units. Save the observation height in zob for later use.
zob = dpres
call grdcrd1(dpres,zges,nsig,1)
! Interpolate guess u and v to observation location and time.
call tintrp31(ges_u,ugesin,dlat,dlon,dpres,dtime, &
hrdifsig,mype,nfldsig)
call tintrp31(ges_v,vgesin,dlat,dlon,dpres,dtime, &
hrdifsig,mype,nfldsig)
iz = max(1, min( int(dpres), nsig))
delz = max(zero, min(dpres - float(iz), one))
if (save_jacobian) then
u_ind = getindex(svars3d, 'u')
if (u_ind < 0) then
print *, 'Error: no variable u in state vector. Exiting.'
call stop2(1300)
endif
v_ind = getindex(svars3d, 'v')
if (v_ind < 0) then
print *, 'Error: no variable v in state vector. Exiting.'
call stop2(1300)
endif
dhx_dx_u%st_ind(1) = iz + sum(levels(1:u_ind-1))
dhx_dx_u%end_ind(1) = min(iz + 1,nsig) + sum(levels(1:u_ind-1))
dhx_dx_v%st_ind(1) = iz + sum(levels(1:v_ind-1))
dhx_dx_v%end_ind(1) = min(iz + 1,nsig) + sum(levels(1:v_ind-1))
dhx_dx_u%val(1) = one - delz
dhx_dx_u%val(2) = delz
dhx_dx_v%val = dhx_dx_u%val
endif
if (zob > zges(1)) then
factw=one
else
factw = data(iff10,i)
if(sfcmod_gfs .or. sfcmod_mm5) then
sfcr = data(isfcr,i)
skint = data(iskint,i)
call comp_fact10(dlat,dlon,dtime,skint,sfcr,isli,mype,factw)
end if
if (zob <= ten) then
if(zob < ten)then
term = max(zob,zero)/ten
factw = term*factw
end if
else
term = (zges(1)-zob)/(zges(1)-ten)
factw = one-term+factw*term
end if
ugesin=factw*ugesin
vgesin=factw*vgesin
if (save_jacobian) then
dhx_dx_u%val = factw * dhx_dx_u%val
dhx_dx_v%val = factw * dhx_dx_v%val
endif
endif
if(sfc_data .or. dpres < one) then
drpx=0.005_r_kind*abs(dstn-zsges)*(one-fact)
end if
! Compute observation pressure (only used for diagnostics)
! Set indices of model levels below (k1) and above (k2) observation.
if (dpres<one) then
z1=zero; p1=log(psges)
z2=zges(1); p2=prsltmp(1)
elseif (dpres>nsig) then
z1=zges(nsig-1); p1=prsltmp(nsig-1)
z2=zges(nsig); p2=prsltmp(nsig)
drpx = 1.e6_r_kind
else
k=dpres
k1=min(max(1,k),nsig)
k2=max(1,min(k+1,nsig))
z1=zges(k1); p1=prsltmp(k1)
z2=zges(k2); p2=prsltmp(k2)
endif
dz21 = z2-z1
dlnp21 = p2-p1
dz = zob-z1
pobl = p1 + (dlnp21/dz21)*dz
presw = ten*exp(pobl)
! Determine location in terms of grid units for midpoint of
! first layer above surface
sfcchk=zero
! call grdcrd1(sfcchk,zges,nsig,1)
! Process observations with reported pressure
else
dpres = data(ipres,i)
presw = ten*exp(dpres)
dpres = dpres-log(psges)
drpx=zero
prsfc=psges
prsln2=log(exp(prsltmp(1))/prsfc)
dpressave=dpres
! Put obs pressure in correct units to get grid coord. number
dpres=log(exp(dpres)*prsfc)
call grdcrd1(dpres,prsltmp(1),nsig,-1)
! Interpolate guess u and v to observation location and time.
call tintrp31(ges_u,ugesin,dlat,dlon,dpres,dtime, &
hrdifsig,mype,nfldsig)
call tintrp31(ges_v,vgesin,dlat,dlon,dpres,dtime, &
hrdifsig,mype,nfldsig)
iz = max(1, min( int(dpres), nsig))
delz = max(zero, min(dpres - float(iz), one))
if (save_jacobian) then
u_ind = getindex(svars3d, 'u')
if (u_ind < 0) then
print *, 'Error: no variable u in state vector. Exiting.'
call stop2(1300)
endif
v_ind = getindex(svars3d, 'v')
if (v_ind < 0) then
print *, 'Error: no variable v in state vector. Exiting.'
call stop2(1300)
endif
dhx_dx_u%st_ind(1) = iz + sum(levels(1:u_ind-1))
dhx_dx_u%end_ind(1) = min(iz + 1,nsig) + sum(levels(1:u_ind-1))
dhx_dx_v%st_ind(1) = iz + sum(levels(1:v_ind-1))
dhx_dx_v%end_ind(1) = min(iz + 1,nsig) + sum(levels(1:v_ind-1))
dhx_dx_u%val(1) = one - delz
dhx_dx_u%val(2) = delz
dhx_dx_v%val = dhx_dx_u%val
endif
if(dpressave <= prsln2)then
factw=one
else
factw = data(iff10,i)
if(sfcmod_gfs .or. sfcmod_mm5) then
sfcr = data(isfcr,i)
skint = data(iskint,i)
call comp_fact10(dlat,dlon,dtime,skint,sfcr,isli,mype,factw)
end if
call tintrp2a1(ges_tv,tges,dlat,dlon,dtime,hrdifsig,&
nsig,mype,nfldsig)
! Apply 10-meter wind reduction factor to guess winds
dx10=-goverrd*ten/tges(1)
if (dpressave < dx10)then
term=(prsln2-dpressave)/(prsln2-dx10)
factw=one-term+factw*term
end if
ugesin=factw*ugesin
vgesin=factw*vgesin
if (save_jacobian) then
dhx_dx_u%val = factw * dhx_dx_u%val
dhx_dx_v%val = factw * dhx_dx_v%val
endif
end if
! Get approx k value of sfc by using surface pressure
sfcchk=log(psges)
call grdcrd1(sfcchk,prsltmp(1),nsig,-1)
endif
! Checks based on observation location relative to model surface and top
rlow=max(sfcchk-dpres,zero)
rhgh=max(dpres-r0_001-rsigp,zero)
if(luse(i))then
awork(1) = awork(1) + one
if(rlow/=zero) awork(2) = awork(2) + one
if(rhgh/=zero) awork(3) = awork(3) + one
end if
ratio_errors=error/(data(ier,i)+drpx+1.0e6_r_kind*rhgh+four*rlow)
! Invert observation error
error=one/error
! Check to see if observation below model surface or above model top.
! If so, don't use observation
if (dpres > rsig )then
if( regional .and. presw > pt_ll )then
dpres=rsig
else
ratio_errors=zero
endif
endif
if ( (itype>=221 .and. itype<=229).and. (dpres<zero) ) ratio_errors=zero
! Compute innovations
lowlevelsat=itype==242.or.itype==243.or.itype==245.or.itype==246.or. &
itype==247.or.itype==250.or.itype==251.or.itype==252.or. &
itype==253.or.itype==254.or.itype==257.or.itype==258.or. &
itype==259
if (lowlevelsat .and. twodvar_regional) then
call windfactor(presw,factw)
data(iuob,i)=factw*data(iuob,i)
data(ivob,i)=factw*data(ivob,i)
uob = data(iuob,i)
vob = data(ivob,i)
endif
dudiff=uob-ugesin
dvdiff=vob-vgesin
spdb=sqrt(uob**2+vob**2)-sqrt(ugesin**2+vgesin**2)
! QC PBL profiler 227 and 223, 224
if(itype==227 .or. itype==223 .or. itype==224 .or. itype==228 .or. itype==229) then
if(abs(uob) < 1.0_r_kind .and. abs(vob) <1.0_r_kind ) then
muse(i)=.false.
error=zero
endif
endif
! VADWND and aircraft winds quality control
if( itype ==224 .and. presw < 226.0_r_kind) then
error=zero
endif
if(itype >=230 .and. itype <=239 .and. presw <126.0_r_kind ) then
error=zero
endif
! Quality control for satellite winds
if ( qc_satwnds ) then
if (itype >=240 .and. itype <=260) then
call intrp2a11(tropprs,trop5,dlat,dlon,mype)
if(presw < trop5-r50) error=zero ! tropopose check for all satellite winds
endif
if(itype >=240 .and. itype <=260) then
if(i_gsdqc==2) then
prsfc = r10*psges
if( prsfc-presw < 100.0_r_kind) error =zero ! add check for obs within 100 hPa of sfc
else
if( presw >950.0_r_kind) error =zero ! screen data beloww 950mb
endif
endif
if(itype ==242 .or. itype ==243 ) then ! visible winds from JMA and EUMETSAT
if(presw <700.0_r_kind) error=zero ! no visible winds above 700mb
endif
if(itype ==245 ) then
if( presw >399.0_r_kind .and. presw <801.0_r_kind) then !GOES IR winds
error=zero ! no data between 400-800mb
endif
endif
if(itype == 252 .and. presw >499.0_r_kind .and. presw <801.0_r_kind) then ! JMA IR winds
error=zero
endif
if(itype == 253 ) then
if(presw >401.0_r_kind .and. presw <801.0_r_kind) then ! EUMET IR winds
error=zero
endif
endif
if( itype == 246 .or. itype == 250 .or. itype == 254 ) then ! water vapor cloud top
if(presw >399.0_r_kind) error=zero
endif
if(itype ==257 .and. presw <249.0_r_kind) error=zero
if(itype ==258 .and. presw >600.0_r_kind) error=zero
if(itype ==259 .and. presw >600.0_r_kind) error=zero
if(itype ==259 .and. presw <249.0_r_kind) error=zero
endif ! qc_satwnds
! QC GOES CAWV - some checks above as well
if (itype==247) then
prsfc = r10*psges ! surface pressure in hPa
! Compute observed and guess wind speeds (m/s).
spdges = sqrt(ugesin* ugesin +vgesin* vgesin )
! Set and compute GOES CAWV specific departure parameters
LNVD_wspd = spdob
LNVD_omb = sqrt(dudiff*dudiff + dvdiff*dvdiff)
LNVD_ratio = LNVD_omb / log(LNVD_wspd)
LNVD_threshold = 3.0_r_kind
if( .not. wrf_nmm_regional) then ! LNVD check not use for CAWV winds in HWRF
if(LNVD_ratio >= LNVD_threshold .or. & ! LNVD check
(presw > prsfc-110.0_r_kind .and. isli /= 0))then ! near surface check 110 ~1km
error = zero
endif
endif
! check for direction departure gt 50 deg
wdirdiffmax=50._r_kind
call getwdir(uob,vob,wdirob)
call getwdir(ugesin,vgesin,wdirgesin)
if ( min(abs(wdirob-wdirgesin),abs(wdirob-wdirgesin+r360), &
abs(wdirob-wdirgesin-r360)) > wdirdiffmax ) then
error = zero
endif
endif
! QC MODIS winds
if (itype==257 .or. itype==258 .or. itype==259 .or. itype ==260) then
! Get guess values of tropopause pressure and sea/land/ice
! mask at observation location
prsfc = r10*prsfc ! surface pressure in hPa
! Compute observed and guess wind speeds (m/s).
spdges = sqrt(ugesin* ugesin +vgesin* vgesin )
! Set and computes modis specific qc parameters
LNVD_wspd = spdob
LNVD_omb = sqrt(dudiff*dudiff + dvdiff*dvdiff)
LNVD_ratio = LNVD_omb / log(LNVD_wspd)
LNVD_threshold = 3.0_r_kind
if(LNVD_ratio >= LNVD_threshold .or. & ! LNVD check
(presw > prsfc-r200 .and. isli /= 0))then ! near surface check
error = zero
endif
endif ! ???
! QC AVHRR winds
if (itype==244) then
! Get guess values of tropopause pressure and sea/land/ice
! mask at observation location
prsfc = r10*prsfc ! surface pressure in hPa
! Set and computes modis specific qc parameters
LNVD_wspd = spdob
LNVD_omb = sqrt(dudiff*dudiff + dvdiff*dvdiff)
LNVD_ratio = LNVD_omb / log(LNVD_wspd)
LNVD_threshold = 3.0_r_kind
if(LNVD_ratio >= LNVD_threshold .or. & ! LNVD check
(presw > prsfc-r200 .and. isli /= 0))then ! near surface check
error = zero
endif
endif ! end if all satellite winds
! QC WindSAT winds
if (itype==289) then
qcu = r6
qcv = r6
if ( spdob > r20 .or. & ! high wind speed check
abs(dudiff) > qcu .or. & ! u component check
abs(dvdiff) > qcv ) then ! v component check
error = zero
endif
endif
! QC ASCAT winds
if (itype==290) then
qcu = five
qcv = five
! Compute innovations for opposite vectors
dudiff_opp = -uob - ugesin
dvdiff_opp = -vob - vgesin
vecdiff = sqrt(dudiff**2 + dvdiff**2)
vecdiff_opp = sqrt(dudiff_opp**2 + dvdiff_opp**2)
ascat_vec = sqrt((dudiff**2 + dvdiff**2)/spdob**2)
if ( abs(dudiff) > qcu .or. & ! u component check
abs(dvdiff) > qcv .or. & ! v component check
vecdiff > vecdiff_opp ) then ! ambiguity check
error = zero
endif
endif
! QC RAPIDSCAT winds
if (itype==296) then
qcu = five
qcv = five
! Compute innovations for opposite vectors
dudiff_opp_rs = -uob - ugesin
dvdiff_opp_rs = -vob - vgesin
vecdiff_rs = sqrt(dudiff**2 + dvdiff**2)
vecdiff_opp_rs = sqrt(dudiff_opp_rs**2 + dvdiff_opp_rs**2)
rapidscat_vec = sqrt((dudiff**2 + dvdiff**2)/spdob**2)
if ( abs(dudiff) > qcu .or. & ! u component check
abs(dvdiff) > qcv .or. & ! v component check
vecdiff_rs > vecdiff_opp_rs ) then ! ambiguity check
error = zero
endif
endif
! QC OSCAT winds