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!**********************************************************************
! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 *
! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, *
! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann *
! *
! This file is part of FLEXPART. *
! *
! FLEXPART is free software: you can redistribute it and/or modify *
! it under the terms of the GNU General Public License as published by*
! the Free Software Foundation, either version 3 of the License, or *
! (at your option) any later version. *
! *
! FLEXPART is distributed in the hope that it will be useful, *
! but WITHOUT ANY WARRANTY; without even the implied warranty of *
! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
! GNU General Public License for more details. *
! *
! You should have received a copy of the GNU General Public License *
! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. *
!**********************************************************************
subroutine drydepokernel(nunc,deposit,x,y,nage,kp)
! i i i i i
!*****************************************************************************
! *
! Attribution of the deposition to the grid using a uniform kernel with *
! bandwidths dx and dy. *
! *
! Author: A. Stohl *
! *
! 26 December 1996 *
! *
!*****************************************************************************
! *
! Variables: *
! *
! nunc uncertainty class of the respective particle *
! nage age class of the respective particle *
! deposit amount (kg) to be deposited *
! *
!*****************************************************************************
use unc_mod
use par_mod
use com_mod
implicit none
real :: x,y,deposit(maxspec),ddx,ddy,xl,yl,wx,wy,w
integer :: ix,jy,ixp,jyp,ks,nunc,nage,kp
xl=(x*dx+xoutshift)/dxout
yl=(y*dy+youtshift)/dyout
ix=int(xl)
jy=int(yl)
ddx=xl-real(ix) ! distance to left cell border
ddy=yl-real(jy) ! distance to lower cell border
if (ddx.gt.0.5) then
ixp=ix+1
wx=1.5-ddx
else
ixp=ix-1
wx=0.5+ddx
endif
if (ddy.gt.0.5) then
jyp=jy+1
wy=1.5-ddy
else
jyp=jy-1
wy=0.5+ddy
endif
! Determine mass fractions for four grid points
!**********************************************
do ks=1,nspec
if ((abs(deposit(ks)).gt.0).and.DRYDEPSPEC(ks)) then
if ((ix.ge.0).and.(jy.ge.0).and.(ix.le.numxgrid-1).and. &
(jy.le.numygrid-1)) then
w=wx*wy
drygridunc(ix,jy,ks,kp,nunc,nage)= &
drygridunc(ix,jy,ks,kp,nunc,nage)+deposit(ks)*w
continue
endif
if ((ixp.ge.0).and.(jyp.ge.0).and.(ixp.le.numxgrid-1).and. &
(jyp.le.numygrid-1)) then
w=(1.-wx)*(1.-wy)
drygridunc(ixp,jyp,ks,kp,nunc,nage)= &
drygridunc(ixp,jyp,ks,kp,nunc,nage)+deposit(ks)*w
endif
if ((ixp.ge.0).and.(jy.ge.0).and.(ixp.le.numxgrid-1).and. &
(jy.le.numygrid-1)) then
w=(1.-wx)*wy
drygridunc(ixp,jy,ks,kp,nunc,nage)= &
drygridunc(ixp,jy,ks,kp,nunc,nage)+deposit(ks)*w
endif
if ((ix.ge.0).and.(jyp.ge.0).and.(ix.le.numxgrid-1).and. &
(jyp.le.numygrid-1)) then
w=wx*(1.-wy)
drygridunc(ix,jyp,ks,kp,nunc,nage)= &
drygridunc(ix,jyp,ks,kp,nunc,nage)+deposit(ks)*w
endif
endif
end do
end subroutine drydepokernel
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