1 | !*********************************************************************** |
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2 | !* Copyright 2012,2013 * |
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3 | !* Jerome Brioude, Delia Arnold, Andreas Stohl, Wayne Angevine, * |
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4 | !* John Burkhart, Massimo Cassiani, Adam Dingwell, Richard C Easter, Sabine Eckhardt,* |
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5 | !* Stephanie Evan, Jerome D Fast, Don Morton, Ignacio Pisso, * |
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6 | !* Petra Seibert, Gerard Wotawa, Caroline Forster, Harald Sodemann, * |
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7 | !* * |
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8 | !* This file is part of FLEXPART WRF * |
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9 | !* |
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10 | ! FLEXPART is free software: you can redistribute it and/or modify * |
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11 | ! it under the terms of the GNU General Public License as published by* |
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12 | ! the Free Software Foundation, either version 3 of the License, or * |
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13 | ! (at your option) any later version. * |
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14 | ! * |
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15 | ! FLEXPART is distributed in the hope that it will be useful, * |
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16 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
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17 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
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18 | ! GNU General Public License for more details. * |
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19 | ! * |
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20 | ! You should have received a copy of the GNU General Public License * |
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21 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
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22 | !********************************************************************** |
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23 | |
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24 | subroutine wetdepokernel(nunc,deposit,x,y,itage,nage,kp) |
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25 | ! i i i i i |
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26 | !***************************************************************************** |
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27 | ! * |
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28 | ! Attribution of the deposition from an individual particle to the * |
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29 | ! deposition fields using a uniform kernel with bandwidths dxout and dyout.* |
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30 | ! * |
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31 | ! Author: A. Stohl * |
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32 | ! * |
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33 | ! 26 December 1996 * |
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34 | ! |
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35 | ! D. Arnold: modification to skip the kernel the first 3 hours. |
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36 | ! then, modification to a regular lat-lon. |
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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,nunc,nage,ks,kp |
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55 | ! CDA new declarations |
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56 | real :: rhoprof(2),rhoi,xlon,ylat,xl2,yl2 |
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57 | integer :: itage |
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58 | !JB |
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59 | if (outgrid_option.eq.0) then |
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60 | ! CDA |
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61 | xl=(x*dx+xoutshift)/dxout |
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62 | yl=(y*dy+youtshift)/dyout |
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63 | elseif (outgrid_option.eq.1) then |
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64 | ! CDA new code: |
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65 | xl2=x*dx+xmet0 |
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66 | yl2=y*dy+ymet0 |
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67 | call xymeter_to_ll_wrf(xl2,yl2,xlon,ylat) |
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68 | xl=(xlon-outlon0)/dxoutl |
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69 | yl=(ylat-outlat0)/dyoutl |
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70 | endif |
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71 | |
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72 | ix=int(xl) |
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73 | jy=int(yl) |
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74 | !JB I don't know what this thing is suppose to do, but I put it here in case it is necessary |
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75 | ! see for instance conccalc_reg.f90 |
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76 | ! ix=int(xl) |
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77 | ! if (xl.lt.0.) ix=ix-1 |
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78 | ! jy=int(yl) |
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79 | ! if (yl.lt.0.) jy=jy-1 |
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80 | ! |
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81 | |
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82 | ! CDA skip kernelfor some hours to prevent smoothing close to source |
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83 | if (itage.lt.7200) then ! no kernel, direct attribution to grid cell |
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84 | do ks=1,nspec |
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85 | if ((ix.ge.0).and.(jy.ge.0).and.(ix.le.numxgrid-1).and. & |
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86 | (jy.le.numygrid-1)) & |
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87 | wetgridunc(ix,jy,ks,kp,nunc,nage)= & |
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88 | wetgridunc(ix,jy,ks,kp,nunc,nage)+deposit(ks) |
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89 | enddo |
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90 | else ! attribution via uniform kernel |
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91 | |
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92 | ddx=xl-real(ix) ! distance to left cell border |
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93 | ddy=yl-real(jy) ! distance to lower cell border |
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94 | |
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95 | if (ddx.gt.0.5) then |
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96 | ixp=ix+1 |
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97 | wx=1.5-ddx |
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98 | else |
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99 | ixp=ix-1 |
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100 | wx=0.5+ddx |
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101 | endif |
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102 | |
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103 | if (ddy.gt.0.5) then |
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104 | jyp=jy+1 |
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105 | wy=1.5-ddy |
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106 | else |
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107 | jyp=jy-1 |
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108 | wy=0.5+ddy |
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109 | endif |
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110 | |
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111 | |
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112 | ! Determine mass fractions for four grid points |
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113 | !********************************************** |
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114 | |
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115 | do ks=1,nspec |
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116 | |
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117 | if ((ix.ge.0).and.(jy.ge.0).and.(ix.le.numxgrid-1).and. & |
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118 | (jy.le.numygrid-1)) then |
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119 | w=wx*wy |
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120 | wetgridunc(ix,jy,ks,kp,nunc,nage)= & |
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121 | wetgridunc(ix,jy,ks,kp,nunc,nage)+deposit(ks)*w |
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122 | endif |
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123 | |
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124 | if ((ixp.ge.0).and.(jyp.ge.0).and.(ixp.le.numxgrid-1).and. & |
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125 | (jyp.le.numygrid-1)) then |
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126 | w=(1.-wx)*(1.-wy) |
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127 | wetgridunc(ixp,jyp,ks,kp,nunc,nage)= & |
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128 | wetgridunc(ixp,jyp,ks,kp,nunc,nage)+deposit(ks)*w |
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129 | endif |
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130 | |
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131 | if ((ixp.ge.0).and.(jy.ge.0).and.(ixp.le.numxgrid-1).and. & |
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132 | (jy.le.numygrid-1)) then |
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133 | w=(1.-wx)*wy |
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134 | wetgridunc(ixp,jy,ks,kp,nunc,nage)= & |
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135 | wetgridunc(ixp,jy,ks,kp,nunc,nage)+deposit(ks)*w |
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136 | endif |
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137 | |
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138 | if ((ix.ge.0).and.(jyp.ge.0).and.(ix.le.numxgrid-1).and. & |
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139 | (jyp.le.numygrid-1)) then |
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140 | w=wx*(1.-wy) |
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141 | wetgridunc(ix,jyp,ks,kp,nunc,nage)= & |
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142 | wetgridunc(ix,jyp,ks,kp,nunc,nage)+deposit(ks)*w |
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143 | endif |
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144 | end do |
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145 | |
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146 | endif ! Kernel |
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147 | end subroutine wetdepokernel |
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