drydepokernel_nest.f90 4.88 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
!**********************************************************************
! 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/>.   *
!**********************************************************************

Matthias Langer's avatar
 
Matthias Langer committed
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
subroutine drydepokernel_nest(nunc,deposit,x,y,nage,kp)
  !                               i      i    i i  i
  !*****************************************************************************
  !                                                                            *
  !     Attribution of the deposition from an individual particle to the       *
  !     nested deposition fields using a uniform kernel with bandwidths        *
  !     dxoutn and dyoutn.                                                     *
  !                                                                            *
  !     Author: A. Stohl                                                       *
  !                                                                            *
  !     26 December 1996                                                       *
  !                                                                            *
  !      2 September 2004: Adaptation from drydepokernel.                      *
  !                                                                            *
  !*****************************************************************************
  !                                                                            *
  ! 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

52
53
  real(dep_prec), dimension(maxspec) :: deposit
  real :: x,y,ddx,ddy,xl,yl,wx,wy,w
Matthias Langer's avatar
 
Matthias Langer committed
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
  integer :: ix,jy,ixp,jyp,ks,kp,nunc,nage



  xl=(x*dx+xoutshiftn)/dxoutn
  yl=(y*dy+youtshiftn)/dyoutn
  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 (DRYDEPSPEC(ks).and.(abs(deposit(ks)).gt.0)) then

  if ((ix.ge.0).and.(jy.ge.0).and.(ix.le.numxgridn-1).and. &
       (jy.le.numygridn-1)) then
    w=wx*wy
      drygriduncn(ix,jy,ks,kp,nunc,nage)= &
           drygriduncn(ix,jy,ks,kp,nunc,nage)+deposit(ks)*w
  endif

  if ((ixp.ge.0).and.(jyp.ge.0).and.(ixp.le.numxgridn-1).and. &
       (jyp.le.numygridn-1)) then
    w=(1.-wx)*(1.-wy)
      drygriduncn(ixp,jyp,ks,kp,nunc,nage)= &
           drygriduncn(ixp,jyp,ks,kp,nunc,nage)+deposit(ks)*w
  endif

  if ((ixp.ge.0).and.(jy.ge.0).and.(ixp.le.numxgridn-1).and. &
       (jy.le.numygridn-1)) then
    w=(1.-wx)*wy
      drygriduncn(ixp,jy,ks,kp,nunc,nage)= &
           drygriduncn(ixp,jy,ks,kp,nunc,nage)+deposit(ks)*w
  endif

  if ((ix.ge.0).and.(jyp.ge.0).and.(ix.le.numxgridn-1).and. &
       (jyp.le.numygridn-1)) then
    w=wx*(1.-wy)
      drygriduncn(ix,jyp,ks,kp,nunc,nage)= &
           drygriduncn(ix,jyp,ks,kp,nunc,nage)+deposit(ks)*w
  endif

  endif

    end do
end subroutine drydepokernel_nest