[e200b7a] | 1 | !********************************************************************** |
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| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
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| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
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| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
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| 5 | ! * |
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| 6 | ! This file is part of FLEXPART. * |
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| 7 | ! * |
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| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
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| 9 | ! it under the terms of the GNU General Public License as published by* |
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| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
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| 11 | ! (at your option) any later version. * |
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| 12 | ! * |
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| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
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| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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| 16 | ! GNU General Public License for more details. * |
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| 17 | ! * |
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| 18 | ! You should have received a copy of the GNU General Public License * |
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| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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| 20 | !********************************************************************** |
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| 21 | |
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[db712a8] | 22 | subroutine wetdepokernel_nest(nunc,deposit,x,y,nage,kp) |
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| 23 | ! i i i i i i |
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[e200b7a] | 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! Attribution of the deposition from an individual particle to the * |
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| 27 | ! nested deposition fields using a uniform kernel with bandwidths * |
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| 28 | ! dxoutn and dyoutn. * |
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| 29 | ! * |
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| 30 | ! Author: A. Stohl * |
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| 31 | ! * |
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| 32 | ! 26 December 1996 * |
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| 33 | ! * |
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| 34 | ! 2 September 2004: Adaptation from wetdepokernel. * |
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| 35 | ! * |
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| 36 | ! * |
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| 37 | !***************************************************************************** |
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| 38 | ! * |
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| 39 | ! Variables: * |
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| 40 | ! * |
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| 41 | ! nunc uncertainty class of the respective particle * |
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| 42 | ! nage age class of the respective particle * |
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| 43 | ! deposit amount (kg) to be deposited * |
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| 44 | ! * |
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| 45 | !***************************************************************************** |
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| 46 | |
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| 47 | use unc_mod |
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| 48 | use par_mod |
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| 49 | use com_mod |
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| 50 | |
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| 51 | implicit none |
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| 52 | |
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| 53 | real :: x,y,deposit(maxspec),ddx,ddy,xl,yl,wx,wy,w |
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| 54 | integer :: ix,jy,ixp,jyp,ks,kp,nunc,nage |
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| 55 | |
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| 56 | xl=(x*dx+xoutshiftn)/dxoutn |
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| 57 | yl=(y*dy+youtshiftn)/dyoutn |
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[db712a8] | 58 | |
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| 59 | ! old: |
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| 60 | ! ix=int(xl) |
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| 61 | ! jy=int(yl) |
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| 62 | |
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| 63 | ! ESO: for xl,yl in range <-.5,-1> we get ix,jy=0 and thus negative |
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| 64 | ! wx,wy as the int function rounds upwards for negative numbers. |
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| 65 | ! Either use the floor function, or (perhaps more correctly?) use "(xl.gt.-0.5)" |
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| 66 | ! in place of "(ix.ge.0)" and similar for the upper boundary. |
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| 67 | |
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| 68 | ! new: |
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| 69 | ix=floor(xl) |
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| 70 | jy=floor(yl) |
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| 71 | |
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[e200b7a] | 72 | ddx=xl-real(ix) ! distance to left cell border |
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| 73 | ddy=yl-real(jy) ! distance to lower cell border |
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| 74 | |
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[db712a8] | 75 | |
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[e200b7a] | 76 | if (ddx.gt.0.5) then |
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| 77 | ixp=ix+1 |
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| 78 | wx=1.5-ddx |
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| 79 | else |
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| 80 | ixp=ix-1 |
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| 81 | wx=0.5+ddx |
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| 82 | endif |
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| 83 | |
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| 84 | if (ddy.gt.0.5) then |
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| 85 | jyp=jy+1 |
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| 86 | wy=1.5-ddy |
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| 87 | else |
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| 88 | jyp=jy-1 |
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| 89 | wy=0.5+ddy |
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| 90 | endif |
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| 91 | |
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[db712a8] | 92 | ! Determine mass fractions for four grid points |
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| 93 | !********************************************** |
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[e200b7a] | 94 | |
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| 95 | do ks=1,nspec |
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[db712a8] | 96 | if ((ix.ge.0).and.(jy.ge.0).and.(ix.le.numxgridn-1).and. & |
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| 97 | (jy.le.numygridn-1)) then |
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| 98 | w=wx*wy |
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[e200b7a] | 99 | wetgriduncn(ix,jy,ks,kp,nunc,nage)= & |
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| 100 | wetgriduncn(ix,jy,ks,kp,nunc,nage)+deposit(ks)*w |
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[db712a8] | 101 | endif |
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[e200b7a] | 102 | |
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[db712a8] | 103 | if ((ixp.ge.0).and.(jyp.ge.0).and.(ixp.le.numxgridn-1).and. & |
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| 104 | (jyp.le.numygridn-1)) then |
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| 105 | w=(1.-wx)*(1.-wy) |
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[e200b7a] | 106 | wetgriduncn(ixp,jyp,ks,kp,nunc,nage)= & |
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| 107 | wetgriduncn(ixp,jyp,ks,kp,nunc,nage)+deposit(ks)*w |
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[db712a8] | 108 | endif |
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[e200b7a] | 109 | |
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[db712a8] | 110 | if ((ixp.ge.0).and.(jy.ge.0).and.(ixp.le.numxgridn-1).and. & |
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| 111 | (jy.le.numygridn-1)) then |
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| 112 | w=(1.-wx)*wy |
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[e200b7a] | 113 | wetgriduncn(ixp,jy,ks,kp,nunc,nage)= & |
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| 114 | wetgriduncn(ixp,jy,ks,kp,nunc,nage)+deposit(ks)*w |
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[db712a8] | 115 | endif |
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[e200b7a] | 116 | |
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[db712a8] | 117 | if ((ix.ge.0).and.(jyp.ge.0).and.(ix.le.numxgridn-1).and. & |
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| 118 | (jyp.le.numygridn-1)) then |
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| 119 | w=wx*(1.-wy) |
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[e200b7a] | 120 | wetgriduncn(ix,jyp,ks,kp,nunc,nage)= & |
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| 121 | wetgriduncn(ix,jyp,ks,kp,nunc,nage)+deposit(ks)*w |
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[db712a8] | 122 | endif |
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[e200b7a] | 123 | |
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| 124 | end do |
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| 125 | end subroutine wetdepokernel_nest |
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