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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22 | subroutine drydepokernel_nest(nunc,deposit,x,y,nage,kp) |
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23 | ! i i i i i |
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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 drydepokernel. * |
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35 | ! * |
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36 | !***************************************************************************** |
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37 | ! * |
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38 | ! Variables: * |
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39 | ! * |
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40 | ! nunc uncertainty class of the respective particle * |
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41 | ! nage age class of the respective particle * |
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42 | ! deposit amount (kg) to be deposited * |
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43 | ! * |
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44 | !***************************************************************************** |
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45 | |
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46 | use unc_mod |
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47 | use par_mod |
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48 | use com_mod |
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49 | |
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50 | implicit none |
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51 | |
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52 | real :: x,y,deposit(maxspec),ddx,ddy,xl,yl,wx,wy,w |
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53 | integer :: ix,jy,ixp,jyp,ks,kp,nunc,nage |
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54 | |
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55 | |
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56 | |
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57 | xl=(x*dx+xoutshiftn)/dxoutn |
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58 | yl=(y*dy+youtshiftn)/dyoutn |
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59 | ix=int(xl) |
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60 | jy=int(yl) |
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61 | ddx=xl-real(ix) ! distance to left cell border |
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62 | ddy=yl-real(jy) ! distance to lower cell border |
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63 | |
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64 | if (ddx.gt.0.5) then |
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65 | ixp=ix+1 |
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66 | wx=1.5-ddx |
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67 | else |
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68 | ixp=ix-1 |
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69 | wx=0.5+ddx |
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70 | endif |
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71 | |
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72 | if (ddy.gt.0.5) then |
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73 | jyp=jy+1 |
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74 | wy=1.5-ddy |
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75 | else |
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76 | jyp=jy-1 |
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77 | wy=0.5+ddy |
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78 | endif |
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79 | |
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80 | |
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81 | ! Determine mass fractions for four grid points |
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82 | !********************************************** |
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83 | do ks=1,nspec |
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84 | |
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85 | if (DRYDEPSPEC(ks).and.(abs(deposit(ks)).gt.0)) then |
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86 | |
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87 | if ((ix.ge.0).and.(jy.ge.0).and.(ix.le.numxgridn-1).and. & |
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88 | (jy.le.numygridn-1)) then |
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89 | w=wx*wy |
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90 | drygriduncn(ix,jy,ks,kp,nunc,nage)= & |
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91 | drygriduncn(ix,jy,ks,kp,nunc,nage)+deposit(ks)*w |
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92 | endif |
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93 | |
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94 | if ((ixp.ge.0).and.(jyp.ge.0).and.(ixp.le.numxgridn-1).and. & |
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95 | (jyp.le.numygridn-1)) then |
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96 | w=(1.-wx)*(1.-wy) |
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97 | drygriduncn(ixp,jyp,ks,kp,nunc,nage)= & |
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98 | drygriduncn(ixp,jyp,ks,kp,nunc,nage)+deposit(ks)*w |
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99 | endif |
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100 | |
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101 | if ((ixp.ge.0).and.(jy.ge.0).and.(ixp.le.numxgridn-1).and. & |
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102 | (jy.le.numygridn-1)) then |
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103 | w=(1.-wx)*wy |
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104 | drygriduncn(ixp,jy,ks,kp,nunc,nage)= & |
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105 | drygriduncn(ixp,jy,ks,kp,nunc,nage)+deposit(ks)*w |
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106 | endif |
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107 | |
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108 | if ((ix.ge.0).and.(jyp.ge.0).and.(ix.le.numxgridn-1).and. & |
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109 | (jyp.le.numygridn-1)) then |
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110 | w=wx*(1.-wy) |
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111 | drygriduncn(ix,jyp,ks,kp,nunc,nage)= & |
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112 | drygriduncn(ix,jyp,ks,kp,nunc,nage)+deposit(ks)*w |
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113 | endif |
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114 | |
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115 | endif |
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116 | |
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117 | end do |
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118 | end subroutine drydepokernel_nest |
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