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module_forcings.f90
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MODULE module_forcings
use module_parallel
use interp_lib
implicit none
integer, parameter :: dimerax=250,dimeray=290,xdim=1440,ydim=721,xdimeraland=3600,ydimeraland=1801,dimeralandx=620,dimeralandy=720
real, parameter :: eraswlat=-89.46282, eraswlon=0. ,dxera=0.703125
CONTAINS
!********************************************************************************
SUBROUTINE READFORCINGS(n2,js,je,filename,irec,hour,topo,lats,lons &
,vels,temp,pres,qair,landmask,topoera5,varpack,request,istart)
use netcdf
integer :: n2,js,je,i,j,ii,jj,n,istart,hour
integer :: domblocke2obs,request,req(numtasks-2),stats(MPI_STATUS_SIZE,numtasks-2)
character*50 :: filename
character*200 :: filee2obs
integer, dimension(n2,js:je) :: landmask
real, dimension(n2,js:je) :: topo,topoera5,lats,lons,vels,temp,pres,qair
real :: tempint,elev,relh
integer*2, allocatable, dimension(:,:,:) :: varread
real, allocatable, dimension(:,:,:) :: dtemp,press,pressesat,pressesattd,rh,tempera,wind,rain,swdown,rnetera,st1,st2,st3,st4
real, dimension(dimerax,dimeray,0:23,11) :: varpack
integer :: irec
real :: dx,dy,grx,gry,xswlat,xswlon,xlon,wt1,wt2,wt3,wt4
double precision :: scale_factor,add_offset
integer :: ncid,varid,statusnc
integer :: start(3),count(3),startp(3),countp(3)
call MPI_Type_CONTIGUOUS(24*dimerax*dimeray,MPI_REAL,domblocke2obs,ierr)
call MPI_Type_commit(domblocke2obs,ierr)
if(hour.eq.0)then
IF(pid.eq.0)THEN
!if(hour.eq.0)then
allocate(varread(xdim,ydim,0:23))
allocate(wind(xdim,ydim,0:23))
allocate(dtemp(xdim,ydim,0:23))
allocate(press(xdim,ydim,0:23))
allocate(pressesat(xdim,ydim,0:23))
allocate(pressesattd(xdim,ydim,0:23))
allocate(tempera(xdim,ydim,0:23))
allocate(rh(xdim,ydim,0:23))
count(1) = xdim
count(2) = ydim
count(3) = 24
start(1) = 1
start(2) = 1
start(3) = irec
countp(1) = xdim
countp(2) = ydim
countp(3) = 1
startp(1) = 1
startp(2) = 1
startp(3) = irec
!Wind velocity
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/WIND/ERA5_wind_speed_'//filename(1:len_trim(filename))
!write(6,*)'reading wind forcing from ',filee2obs
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'ws10',start,count,varread,scale_factor,add_offset)
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
wind = dble(varread)*scale_factor + add_offset
!stop
!Temperature
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/TEMP/ERA5_2m_temperature_'//filename(1:len_trim(filename))
!write(6,*)'reading forcing from ',filee2obs
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'t2m',start,count,varread,scale_factor,add_offset)
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
tempera = dble(varread)*scale_factor + add_offset
pressesat = exp(17.67*(tempera-273.15)/(243.5+(tempera-273.15)))!*611.2 !in Pa
!write(6,*)'finished with Tair',pid
!Pressure
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/SFCPRESS/ERA5_surface_pressure_'//filename(1:len_trim(filename))
!write(6,*)'reading forcing from ',filee2obs
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'sp',start,count,varread,scale_factor,add_offset)
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
press = dble(varread)*scale_factor + add_offset !in Pa
!write(6,*)'finished with PSurf',pid
!Mixing ratio to rh
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/DEWTEMP/ERA5_2m_dewpoint_temperature_'//filename(1:len_trim(filename))
!write(6,*)'reading forcing from ',filee2obs
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'d2m',start,count,varread,scale_factor,add_offset)
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
dtemp = dble(varread)*scale_factor + add_offset
pressesattd = exp(17.67*(dtemp-273.15)/(243.5+(dtemp-273.15)))!*611.2
rh = min(max(pressesattd/pressesat,0.),1.)
deallocate(dtemp,pressesat,pressesattd)
allocate(rain(xdim,ydim,0:23))
allocate(swdown(xdim,ydim,0:23))
allocate(rnetera(xdim,ydim,0:23))
!write(6,*)'finished with RH',pid
!Precipitation
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/PRECIP/ERA5_precip_'//filename(1:len_trim(filename))
!write(6,*)'reading from ',filee2obs,irec
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'tp',start,count,varread,scale_factor,add_offset)
rain = dble(varread)*scale_factor + add_offset
call readvar(ncid,xdim,ydim,'sf',start,count,varread,scale_factor,add_offset)
rain = max( rain - (dble(varread)*scale_factor + add_offset) , 0. ) * 1000. !in mm
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
!write(6,*)'read rain'
!Shortwave radiation
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/RADIATION/ERA5_surface_solar_radiation_downwards_'//filename(1:len_trim(filename))
!write(6,*)'reading from ',filee2obs,irec
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'ssrd',start,count,varread,scale_factor,add_offset)
swdown = dble(varread)*scale_factor + add_offset
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
!write(6,*)'read SW'
!net radiation
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/RADIATION/ERA5_surface_net_radiation_'//filename(1:len_trim(filename))
!write(6,*)'reading from ',filee2obs,irec
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
call readvar(ncid,xdim,ydim,'sr',start,count,varread,scale_factor,add_offset)
rnetera = dble(varread)*scale_factor + add_offset
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
!soil levels
allocate(st1(xdim,ydim,0:23))
allocate(st2(xdim,ydim,0:23))
allocate(st3(xdim,ydim,0:23))
allocate(st4(xdim,ydim,0:23))
filee2obs='/mnt/netapp2/Store_uscfmgmm/ERA5/SOILTEMP/ERA5_soiltemp_'//filename(1:len_trim(filename))
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
!write(6,*)'reading from ',filee2obs,irec
call readvar(ncid,xdim,ydim,'stl1',start,count,varread,scale_factor,add_offset)
st1 = dble(varread)*scale_factor + add_offset
call readvar(ncid,xdim,ydim,'stl2',start,count,varread,scale_factor,add_offset)
st2 = dble(varread)*scale_factor + add_offset
call readvar(ncid,xdim,ydim,'stl3',start,count,varread,scale_factor,add_offset)
st3 = dble(varread)*scale_factor + add_offset
call readvar(ncid,xdim,ydim,'stl4',start,count,varread,scale_factor,add_offset)
st4 = dble(varread)*scale_factor + add_offset
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
!if(numtasks.gt.1.and.istart.eq.0) call MPI_waitall(numtasks-2,req,stats,ierr)
if(numtasks.gt.1.and.istart.eq.0)call MPI_wait(request,status,ierr)
istart=0
!298:587 is equivalent to 135:424
!now send to nodes
varpack(1:250,1:290,0:23,1) = wind(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,2) = tempera(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,3) = press(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,4) = rh(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,5) = rain(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,6) = swdown(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,7) = rnetera(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,8) = st1(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,9) = st2(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,10) = st3(1067:1316,298:587,0:23)
varpack(1:250,1:290,0:23,11) = st4(1067:1316,298:587,0:23)
!write(6,*)'mirar',varpack(100,100,0,1),varpack(100,100,0,2),varpack(100,100,0,3),varpack(100,100,0,4),varpack(100,100,0,5),varpack(100,100,0,6),varpack(100,100,0,7)
! call MPI_bcast(varpack(1,1,0,1),1,domblocke2obs,0,MPI_COMM_WORLD,ierr)
! do n=1,numtasks-2
! call MPI_isend(varpack(1,1,0,1),1,domblocke2obs,n,548,MPI_COMM_WORLD,req(n),ierr)
! enddo
deallocate(varread,press,rh,tempera,wind,rain,swdown,rnetera,st1,st2,st3,st4)
ENDIF
if(numtasks.gt.1)call MPI_ibcast(varpack,11,domblocke2obs,0,MPI_COMM_WORLD,request,ierr)
if(pid.ne.0)call MPI_wait(request,status,ierr)
endif
IF((pid.eq.0.and.numtasks.eq.1).or.(pid.gt.0.and.pid.lt.numtasks-1))then
!if(hour.eq.0.)then
! if(numtasks.gt.1)then
! call MPI_irecv(varpack(1,1,0,1),1,domblocke2obs,0,548,MPI_COMM_WORLD,request,ierr)
! call MPI_wait(request,status,ierr)
! endif
!endif
!now interpolate
dy=0.25
dx=0.25
! xswlat=-90.
! xswlon=0.
xswlat=-56.5
xswlon=266.5
do j=js,je
! gry = (lats(i,j) - xswlat) / dy + 1.
! gry = (-lats(1,j) - xswlat) / dy + 1. !the grid as read from ERA5 has latitudes reversed
! gry = ydim - 298 + 1 - (lats(1,j) - xswlat) / dy
gry = dimeray + ( xswlat - lats(1,j) ) / dy
do i=1,n2
if(landmask(i,j).gt.0)then
if(lons(i,j).lt.0.)xlon=lons(i,j)+360.
grx = (xlon - xswlon) / dx + 1.
call weights(grx,gry,ii,jj,wt1,wt2,wt3,wt4)
!wind
call gdtost3(varpack(1,1,hour,1),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,vels(i,j))
!temp
call gdtost3(varpack(1,1,hour,2),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,tempint)
!pres
call gdtost3(varpack(1,1,hour,3),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,pres(i,j))
!rh
call gdtost3(varpack(1,1,hour,4),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,relh)
vels(i,j) = max(vels(i,j),0.)
temp(i,j) = tempint -0.0065*(topo(i,j)-topoera5(i,j))
pres(i,j)=pres(i,j)*(temp(i,j)/tempint)**(9.81/(287.*0.0065))
relh=min(max(relh,0.),1.)
if(pid.gt.0.or.numtasks.eq.1)then
qair(i,j)=relh*rslf(pres(i,j),temp(i,j))
endif
endif
enddo
enddo
ENDIF
call MPI_TYPE_FREE (domblocke2obs,ierr)
end subroutine readforcings
!********************************************************************************
SUBROUTINE READFORCINGSACC(n2,js,je,filename,irec,hour,lats,lons &
,pcpgl,rshort,netrad,landmask,varpack,req,istart)
use netcdf
use interp_lib
integer :: n2,js,je,i,j,ii,jj,n,istart,hour
integer :: domblocke2obs,request,req(numtasks-2),stats(MPI_STATUS_SIZE,numtasks-2)
character*50 :: filename
character*200 :: filee2obs
integer, dimension(n2,js:je) :: landmask
real, dimension(n2,js:je) :: lats,lons,pcpgl,rshort,netrad
real, allocatable, dimension(:,:,:) :: rain,swdown,rnetera
integer*2, allocatable, dimension(:,:,:) :: varread
real, dimension(dimerax,dimeray,0:23,11) :: varpack
integer :: irec
double precision :: scale_factor,add_offset
real :: dx,dy,grx,gry,xswlat,xswlon,xlon,wt1,wt2,wt3,wt4
integer :: ncid,varid,statusnc
integer :: start(3),count(3)
IF((pid.eq.0.and.numtasks.eq.1).or.(pid.gt.0.and.pid.lt.numtasks-1))then
!now interpolate
dy=0.25
dx=0.25
! xswlat=-90
! xswlon=0.
xswlat=-56.5
xswlon=266.5
do j=js,je
! gry = (lats(i,j) - xswlat) / dy + 1.
! gry = (-lats(1,j) - xswlat) / dy + 1. !the grid as read from ERA5 has latitudes reversed
gry = dimeray + ( xswlat - lats(1,j) ) / dy
do i=1,n2
if(landmask(i,j).gt.0)then
if(lons(i,j).lt.0.)xlon=lons(i,j)+360.
grx = (xlon - xswlon) / dx + 1.
call weights(grx,gry,ii,jj,wt1,wt2,wt3,wt4)
!rain
call gdtost3(varpack(1,1,hour,5),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,pcpgl(i,j))
!rshort
call gdtost3(varpack(1,1,hour,6),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,rshort(i,j))
!rnet
call gdtost3(varpack(1,1,hour,7),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,netrad(i,j))
!convert from J/m2 to W/m2
rshort(i,j)=rshort(i,j)/3600.
netrad(i,j)=netrad(i,j)/3600.
endif
enddo
enddo
ENDIF
end subroutine readforcingsacc
!********************************************************************************
SUBROUTINE READFORCINGSRNET(n2,js,je,filename,irec,hour,lats,lons,rnet,landmask,netrad,req,istart)
use netcdf
use interp_lib
integer :: n2,js,je,i,j,n,hour,istart
integer ::domblocke2obs,request,req(numtasks-2),stats(MPI_STATUS_SIZE,numtasks-2)
character*50 :: filename
character*200 :: filee2obs
integer, dimension(n2,js:je) :: landmask
real, dimension(n2,js:je) :: lats,lons,rnet
integer*2, dimension(dimerax,dimeray) :: varnc,varpastnc
real, dimension(dimerax,dimeray) :: varpack,vartemp,netrad
integer :: irec
real :: dx,dy,grx,gry,xswlat,xswlon
double precision :: scale_factor,add_offset
integer :: ncid,varid,statusnc
integer :: start(3),count(3)
call MPI_Type_CONTIGUOUS(dimerax*dimeray,MPI_REAL,domblocke2obs,ierr)
call MPI_Type_commit(domblocke2obs,ierr)
IF(pid.eq.0)THEN
count(1) = dimerax
count(2) = dimeray
count(3) = 1
start(1) = 1
start(2) = 1
start(3) = irec
varpastnc=0.
!Net short wave radiation
filee2obs ='/mnt/netapp2/Store_uni/home/usc/fm/coc/Datos_GMM/Surface-Net-Solar-Radiation/'//filename(1:len_trim(filename))
!write(6,*)'reading from ',filee2obs,irec
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_inq_varid(ncid,'ssr',varid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_var(ncid,varid,varnc,start,count)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'scale_factor',scale_factor)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'add_offset',add_offset)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
if(hour.ne.3.and.hour.ne.15)then
start(3)=irec-1
statusnc = nf90_get_var(ncid,varid,varpastnc,start,count)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
varpack = dble( varnc-varpastnc )*scale_factor !489.717729998627d0
else
varpack = dble( varnc )*scale_factor + add_offset !489.717729998627d0 + 16046091.141135d0
endif
varpastnc=0
start(3)=irec
!write(6,*)'read net SW'
!Net long wave radiation
statusnc = nf90_inq_varid(ncid,'str',varid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_var(ncid,varid,varnc,start,count)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'scale_factor',scale_factor)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'add_offset',add_offset)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
if(hour.ne.3.and.hour.ne.15)then
start(3)=irec-1
statusnc =nf90_get_var(ncid,varid,varpastnc,start,count)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
varpack = varpack + dble( varnc-varpastnc )*scale_factor !237.36992049807d0
else
varpack = varpack + dble( varnc )*scale_factor + add_offset !237.36992049807d0 - 4304363.18496025d0
endif
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
varpastnc=0
varpack = varpack / (3.*3600.) !units from Jm-2 to Wm-2
do j=1,dimeray
vartemp(:,dimeray-j+1) = varpack(:,j)
enddo
varpack=vartemp
!write(6,*)'read LW'
!now send to nodes
if(numtasks.gt.1.and.istart.eq.0) call MPI_waitall(numtasks-2,req,stats,ierr)
istart=0
netrad=varpack
do n=1,numtasks-2
call MPI_isend(netrad(1,1),1,domblocke2obs,n,558,MPI_COMM_WORLD,req(n),ierr)
enddo
ENDIF
IF((pid.eq.0.and.numtasks.eq.1).or.(pid.gt.0.and.pid.lt.numtasks-1))then
if(numtasks.gt.1)then
call MPI_irecv(varpack(1,1),1,domblocke2obs,0,558,MPI_COMM_WORLD,request,ierr)
call MPI_wait(request,status,ierr)
endif
!now interpolate
dy=0.75
dx=0.75
xswlat=-90.
xswlon=0.
do j=js,je
do i=1,n2
if(landmask(i,j).gt.0)then
gry = (lats(i,j) - xswlat) / dy + 1.
if(lons(i,j).lt.0.)then
grx = (lons(i,j) + 360. - xswlon) / dx + 1.
else
grx = (lons(i,j) - xswlon) / dx + 1.
endif
!netrad
call gdtost2(varpack(1,1),dimerax,dimeray,grx,gry,rnet(i,j))
endif
enddo
enddo
ENDIF
call MPI_TYPE_FREE (domblocke2obs,ierr)
end subroutine readforcingsrnet
!********************************************************************************
SUBROUTINE READFORCINGSSNOW(n2,js,je,filename,irec,hour,lats,lons,snow,landmask,snowera,request,istart)
use netcdf
use interp_lib
integer :: n2,js,je,i,j,n,hour,istart,icount
integer ::domblocke2obs,request,req(numtasks-2),stats(MPI_STATUS_SIZE,numtasks-2)
character*50 :: filename
character*200 :: filee2obs
integer, dimension(n2,js:je) :: landmask
real, dimension(n2,js:je) :: lats,lons,snow
real, dimension(dimeralandx,dimeralandy,8) :: snowera
integer*2, allocatable, dimension(:,:,:) :: varread
integer :: irec
real :: dx,dy,grx,gry,xswlat,xswlon
double precision :: scale_factor,add_offset
integer :: ncid,varid,statusnc
integer :: start(3),count(3)
call MPI_Type_CONTIGUOUS(dimeralandx*dimeralandy*8,MPI_REAL,domblocke2obs,ierr)
call MPI_Type_commit(domblocke2obs,ierr)
if(hour.eq.0)then
IF(pid.eq.0)THEN
allocate(varread(xdimeraland,ydimeraland,8))
count(1) = xdimeraland
count(2) = ydimeraland
count(3) = 8
start(1) = 1
start(2) = 1
start(3) = irec
!Net short wave radiation
filee2obs='/mnt/netapp2/Store_uscfmgmm/ERA5/SNOWMELT/ERA5LAND_snowmelt_'//filename(1:len_trim(filename))
!write(6,*)'reading from ',filee2obs,irec
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_inq_varid(ncid,'smlt',varid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_var(ncid,varid,varread,start,count)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'scale_factor',scale_factor)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'add_offset',add_offset)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
! do j=1,ydimeraland
! snowera(:,ydimeraland-j+1) = 1000.*max( dble( varread(:,j) )*scale_factor + add_offset , 0.)!in mm
! enddo
!now send to nodes
!if(numtasks.gt.1.and.istart.eq.0) call MPI_waitall(numtasks-2,req,stats,ierr)
if(numtasks.gt.1.and.istart.eq.0)call MPI_wait(request,status,ierr)
istart=0
!747:1466 is equivalent to 336:1055
snowera(1:620,1:720,1:8) = 1000 * max( dble(varread(2666:3285,747:1466,1:8))*scale_factor + add_offset, 0. ) !in mm
! do n=1,numtasks-2
! call MPI_isend(snowera(1,1,1),1,domblocke2obs,n,358,MPI_COMM_WORLD,req(n),ierr)
! enddo
deallocate(varread)
ENDIF
if(numtasks.gt.1)call MPI_ibcast(snowera,1,domblocke2obs,0,MPI_COMM_WORLD,request,ierr)
if(pid.ne.0)call MPI_wait(request,status,ierr)
endif
IF((pid.eq.0.and.numtasks.eq.1).or.(pid.gt.0.and.pid.lt.numtasks-1))then
!if(hour.eq.0)then
! if(numtasks.gt.1)then
! call MPI_irecv(snowera(1,1,1),1,domblocke2obs,0,358,MPI_COMM_WORLD,request,ierr)
! call MPI_wait(request,status,ierr)
! endif
!endif
!now interpolate
icount = hour/3+1
dy=0.1
dx=0.1
! xswlat=-90
! xswlon=0
xswlat=-56.5
xswlon=266.5
do j=js,je
! gry = ydimeraland - 747 + 1 - (lats(1,j) - xswlat) / dy
gry = dimeralandy + ( xswlat - lats(1,j) ) / dy
do i=1,n2
if(landmask(i,j).gt.0)then
! gry = (lats(i,j) - xswlat) / dy + 1.
! gry = (-lats(i,j) -xswlat ) / dy + 1. !the grid as read from ERA5 has latitudes reversed
! gry = ydimeraland - 747 + 1 - (lats(1,j) - xswlat) / dy
if(lons(i,j).lt.0.)then
grx = (lons(i,j) + 360. - xswlon) / dx + 1.
else
grx = (lons(i,j) - xswlon) / dx + 1.
endif
!netrad
call gdtost2(snowera(1,1,icount),dimeralandx,dimeralandy,grx,gry,snow(i,j))
endif
enddo
enddo
ENDIF
call MPI_TYPE_FREE (domblocke2obs,ierr)
end subroutine readforcingssnow
!********************************************************************************
SUBROUTINE READFORCINGSSOILT(n2,js,je,nzg,filename,irec,hour,lats,lons,icefactor,landmask,topo,topoera &
,smoipack,req,istart)
use netcdf
use interp_lib
integer :: n2,js,je,i,j,ii,jj,n,nlev,nzg,istart,hour
integer ::domblocke2obs,request,req(numtasks-2),stats(MPI_STATUS_SIZE,numtasks-2)
character*50 :: filename
character*200 :: filee2obs
character*6 :: directory
character*15 :: prefix
character*4 :: varname
real :: tempint,elev,soilt,topofactor
integer, dimension(n2,js:je) :: landmask
real, dimension(n2,js:je) :: lats,lons,topo,topoera
integer*1, dimension(n2,js:je,nzg-14:nzg) :: icefactor
real, allocatable, dimension(:,:,:) :: rain,swdown,rnetera
integer*2, allocatable, dimension(:,:,:) :: varread
real, dimension(dimerax,dimeray,0:23,11) :: smoipack
integer :: irec
real :: dx,dy,grx,gry,xswlat,xswlon,xlon,wt1,wt2,wt3,wt4
double precision :: scale_factor,add_offset
integer :: ncid,varid,statusnc
integer :: start(3),count(3)
IF((pid.eq.0.and.numtasks.eq.1).or.(pid.gt.0.and.pid.lt.numtasks-1))then
!now interpolate
dy=0.25
dx=0.25
! xswlat=-90.
! xswlon=0.
xswlat=-56.5
xswlon=266.5
icefactor=0
do j=js,je
! gry = (lats(i,j) - xswlat) / dy + 1.
! gry = (-lats(1,j) - xswlat) / dy + 1. !the grid as read from ERA5 has latitudes reversed
gry = dimeray + ( xswlat - lats(1,j) ) / dy
do i=1,n2
if(landmask(i,j).gt.0)then
if(lons(i,j).lt.0.)xlon=lons(i,j)+360.
grx = (xlon - xswlon) / dx + 1.
topofactor = -0.0065*(topo(i,j)-topoera(i,j))
call weights(grx,gry,ii,jj,wt1,wt2,wt3,wt4)
do nlev=1,4
call gdtost3(smoipack(1,1,hour,nlev+7),dimerax,dimeray,ii,jj,wt1,wt2,wt3,wt4,tempint)
soilt = tempint + topofactor
select case(nlev)
case(1)
if(soilt.le.273.15)icefactor(i,j,nzg)=1
case(2)
if(soilt.le.273.15)icefactor(i,j,nzg-2:nzg-1)=1
case(3)
if(soilt.le.273.15)icefactor(i,j,nzg-7:nzg-3)=1
case(4)
if(soilt.le.273.15)icefactor(i,j,nzg-14:nzg-8)=1
end select
enddo
endif
enddo
enddo
ENDIF
end subroutine readforcingssoilt
!******************************************************************************************************
subroutine readvar(ncid,xeraread,yeraread,varname,start,count,varread,scale_factor,add_offset)
use netcdf
integer :: xeraread,yeraread
integer*2, dimension(xeraread,yeraread,0:23) :: varread
character (len = *) :: varname
integer :: ncid,varid,statusnc
double precision :: scale_factor,add_offset
integer :: start(3),count(3)
statusnc = nf90_inq_varid(ncid,varname(1:len_trim(varname)),varid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_var(ncid,varid,varread,start,count)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'scale_factor',scale_factor)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'add_offset',add_offset)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
end subroutine readvar
!******************************************************************************************************
subroutine READTOPOERA5(n2,n3,js,je,landmask,lats,lons,topoera5)
use netcdf
use interp_lib
integer :: n2,n3,js,je,i,j,irec,iun,k,n
real, dimension(n2,js:je) :: lats,lons,topoera5
character*200 :: filee2obs
integer, dimension(n2,js:je) :: landmask
integer :: domblocke2obs,tag,req(numtasks-2),stats(MPI_STATUS_SIZE,numtasks-2),request
integer*2, dimension(xdim,ydim) :: varread
real, dimension(xdim,ydim) :: topoera
real :: dx,dy,grx,gry,xswlat,xswlon,xlon
double precision :: scale_factor,add_offset
integer :: ncid,varid,statusnc
!integer :: start(3),count(3)
call MPI_Type_CONTIGUOUS(xdim*ydim,MPI_REAL,domblocke2obs,ierr)
call MPI_Type_commit(domblocke2obs,ierr)
if(pid.eq.0)then
write(6,*)'sending topera to nodes'
filee2obs = '/mnt/netapp2/Store_uscfmgmm/ERA5/ERA5_static.nc4'
statusnc = nf90_open(filee2obs, 0, ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_inq_varid(ncid,'z',varid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_var(ncid,varid,varread)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'scale_factor',scale_factor)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_get_att(ncid,varid,'add_offset',add_offset)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
statusnc = nf90_close(ncid)
if (statusnc .ne. nf90_noerr) call handle_err(statusnc)
do j=1,ydim
topoera(:,ydim-j+1) = dble( varread(:,j) )*scale_factor + add_offset
enddo
topoera=topoera/9.81
! open(56,file='testera.dat' &
! ,form='unformatted',convert='big_endian',access='direct',recl=4*xdim*ydim)
! write(56,rec=1) ((topoera(i,j),i=1,xdim),j=1,ydim)
! close(56)
do n=1,numtasks-2
call MPI_isend(topoera(1,1),1,domblocke2obs,n,8883,MPI_COMM_WORLD,req(n),ierr)
enddo
if(numtasks.eq.1)then
!now interpolate
dy=0.25
dx=0.25
xswlat=-90
xswlon=0.
do j=js,je
do i=1,n2
if(landmask(i,j).gt.0)then
if(lons(i,j).lt.0.)xlon=lons(i,j)+360.
gry = (lats(i,j) - xswlat) / dy + 1.
grx = (xlon - xswlon) / dx + 1.
!elev
call gdtost2(topoera,xdim,ydim,grx,gry,topoera5(i,j))
endif
enddo
enddo
else
call MPI_waitall(numtasks-2,req,stats,ierr)
endif
elseif(pid.lt.numtasks-1)then
call MPI_irecv(topoera(1,1),1,domblocke2obs,0,8883,MPI_COMM_WORLD,request,ierr)
call MPI_wait(request,status,ierr)
!now interpolate
dy=0.25
dx=0.25
xswlat=-90
xswlon=0.
do j=js,je
do i=1,n2
if(landmask(i,j).gt.0)then
if(lons(i,j).lt.0.)xlon=lons(i,j)+360.
gry = (lats(i,j) - xswlat) / dy + 1.
grx = (xlon - xswlon) / dx + 1.
!elev
call gdtost2(topoera,xdim,ydim,grx,gry,topoera5(i,j))
endif
enddo
enddo
endif
call MPI_TYPE_FREE (domblocke2obs,ierr)
end subroutine readtopoera5
!******************************************************************************************************
SUBROUTINE READLAI(n2,js,je,lats,lons,year,month,day,lai)
use netcdf
implicit none
integer, parameter :: nxlai=1200, nylai=1200/9.81
double precision,parameter :: radius = 6371007.181
double precision,parameter :: pixel_size = 926.625433
double precision,parameter :: d2r = 0.0174532925199
double precision,parameter :: r2d = 57.2957795130823209
double precision,parameter :: dx=0.00833333,dy=0.00833333
integer :: n2,js,je,irec,year,month,day,currday,firstday
integer, dimension(nxlai,nylai) :: modislai
real, dimension(n2,js:je) :: lai,lats,lons
real :: maxlat,minlat,maxlon,minlon,lat,lon
integer :: i,j,ii,jj,minh,maxh,minv,maxv,hloc,vloc
integer :: modid,varid,statusnc
integer :: start(3),count(3)
character(len=200) :: filemodis,modispath
firstday=julday(month,1,year)
currday=julday(month,day,year)
! irec = mod(day-1,4) + 1
irec=(currday-firstday)/4 + 1
start=(/1,1,irec/)
count=(/nxlai,nylai,1/)
write(modispath,'(a54,i4.4,a1,i4.4,i2.2,a1)') &
'/home/usc/fm/coc/store/MODIS-LAI-NETCDF/South-America/',year,'/',year,month,'/'
!Tiles needed for this domain
minlat = minval(lats(:,js:je))
minlon = minval(lons(:,js:je))-360.
maxlat = maxval(lats(:,js:je))
maxlon = maxval(lons(:,js:je))-360.
!write(6,*)'esquinas',minlat,minlon,maxlat,maxlon,lats(1,js),lons(1,js),lats(1,je),lons(n2,js)
minv = ( nint( 10800. - radius * maxlat * d2r / pixel_size ) - 1 ) / nylai
maxv = ( nint( 10800. - radius * minlat * d2r / pixel_size ) - 1 ) / nylai
minh = ( nint( 21600. + radius * minlon * d2r *cos(maxlat*d2r) / pixel_size ) - 1 ) / nxlai
maxh = ( nint( 21600. + radius * maxlon * d2r *cos(minlat*d2r) / pixel_size ) - 1 ) / nxlai
!write(6,*)minh,maxh,minv,maxv
do hloc=minh, maxh
do vloc=minv, maxv
if(month.eq.12)then
write(filemodis,'(a4,a1,i2.2a1,i2.2,a1,i4.4,i2.2,a3)')'LAI-','h',hloc,'v',vloc,'-',year+1,0,'.nc'
else
write(filemodis,'(a4,a1,i2.2a1,i2.2,a1,i4.4,i2.2,a3)')'LAI-','h',hloc,'v',vloc,'-',year,month,'.nc'
endif
write(6,*)'reading LAI',filemodis(1:len_trim(filemodis)),irec,pid
statusnc = nf90_open(modispath(1:len_trim(modispath))//filemodis(1:len_trim(filemodis)), 0, modid)