[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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| 22 | subroutine boundcond_domainfill(itime,loutend) |
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| 23 | ! i i |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! Particles are created by this subroutine continuously throughout the * |
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| 27 | ! simulation at the boundaries of the domain-filling box. * |
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| 28 | ! All particles carry the same amount of mass which alltogether comprises the* |
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| 29 | ! mass of air within the box, which remains (more or less) constant. * |
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| 30 | ! * |
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| 31 | ! Author: A. Stohl * |
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| 32 | ! * |
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| 33 | ! 16 October 2002 * |
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| 34 | ! * |
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| 35 | !***************************************************************************** |
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| 36 | ! * |
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| 37 | ! Variables: * |
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| 38 | ! * |
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| 39 | ! nx_we(2) grid indices for western and eastern boundary of domain- * |
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| 40 | ! filling trajectory calculations * |
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| 41 | ! ny_sn(2) grid indices for southern and northern boundary of domain- * |
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| 42 | ! filling trajectory calculations * |
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| 43 | ! * |
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| 44 | !***************************************************************************** |
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| 45 | |
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| 46 | use point_mod |
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| 47 | use par_mod |
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| 48 | use com_mod |
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[8a65cb0] | 49 | use random_mod, only: ran1 |
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[e200b7a] | 50 | |
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| 51 | implicit none |
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| 52 | |
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[8a65cb0] | 53 | real :: dz,dz1,dz2,dt1,dt2,dtt,ylat,xm,cosfact,accmasst |
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[e200b7a] | 54 | integer :: itime,in,indz,indzp,i,loutend |
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| 55 | integer :: j,k,ix,jy,m,indzh,indexh,minpart,ipart,mmass |
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| 56 | integer :: numactiveparticles |
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| 57 | |
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| 58 | real :: windl(2),rhol(2) |
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| 59 | real :: windhl(2),rhohl(2) |
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| 60 | real :: windx,rhox |
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| 61 | real :: deltaz,boundarea,fluxofmass |
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| 62 | |
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| 63 | integer :: ixm,ixp,jym,jyp,indzm,mm |
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| 64 | real :: pvpart,ddx,ddy,rddx,rddy,p1,p2,p3,p4,y1(2),yh1(2) |
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| 65 | |
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| 66 | integer :: idummy = -11 |
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| 67 | |
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| 68 | |
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| 69 | ! If domain-filling is global, no boundary conditions are needed |
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| 70 | !*************************************************************** |
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| 71 | |
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| 72 | if (gdomainfill) return |
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| 73 | |
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| 74 | accmasst=0. |
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| 75 | numactiveparticles=0 |
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| 76 | |
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| 77 | ! Terminate trajectories that have left the domain, if domain-filling |
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| 78 | ! trajectory calculation domain is not global |
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| 79 | !******************************************************************** |
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| 80 | |
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| 81 | do i=1,numpart |
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| 82 | if (itra1(i).eq.itime) then |
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| 83 | if ((ytra1(i).gt.real(ny_sn(2))).or. & |
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| 84 | (ytra1(i).lt.real(ny_sn(1)))) itra1(i)=-999999999 |
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| 85 | if (((.not.xglobal).or.(nx_we(2).ne.(nx-2))).and. & |
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| 86 | ((xtra1(i).lt.real(nx_we(1))).or. & |
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| 87 | (xtra1(i).gt.real(nx_we(2))))) itra1(i)=-999999999 |
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| 88 | endif |
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| 89 | if (itra1(i).ne.-999999999) numactiveparticles= & |
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| 90 | numactiveparticles+1 |
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| 91 | end do |
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| 92 | |
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| 93 | |
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| 94 | ! Determine auxiliary variables for time interpolation |
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| 95 | !***************************************************** |
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| 96 | |
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| 97 | dt1=real(itime-memtime(1)) |
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| 98 | dt2=real(memtime(2)-itime) |
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| 99 | dtt=1./(dt1+dt2) |
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| 100 | |
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| 101 | ! Initialize auxiliary variable used to search for vacant storage space |
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| 102 | !********************************************************************** |
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| 103 | |
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| 104 | minpart=1 |
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| 105 | |
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| 106 | !*************************************** |
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| 107 | ! Western and eastern boundary condition |
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| 108 | !*************************************** |
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| 109 | |
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| 110 | ! Loop from south to north |
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| 111 | !************************* |
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| 112 | |
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| 113 | do jy=ny_sn(1),ny_sn(2) |
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| 114 | |
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| 115 | ! Loop over western (index 1) and eastern (index 2) boundary |
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| 116 | !*********************************************************** |
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| 117 | |
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| 118 | do k=1,2 |
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| 119 | |
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| 120 | ! Loop over all release locations in a column |
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| 121 | !******************************************** |
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| 122 | |
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| 123 | do j=1,numcolumn_we(k,jy) |
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| 124 | |
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| 125 | ! Determine, for each release location, the area of the corresponding boundary |
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| 126 | !***************************************************************************** |
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| 127 | |
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| 128 | if (j.eq.1) then |
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| 129 | deltaz=(zcolumn_we(k,jy,2)+zcolumn_we(k,jy,1))/2. |
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| 130 | else if (j.eq.numcolumn_we(k,jy)) then |
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| 131 | ! deltaz=height(nz)-(zcolumn_we(k,jy,j-1)+ |
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| 132 | ! + zcolumn_we(k,jy,j))/2. |
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| 133 | ! In order to avoid taking a very high column for very many particles, |
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| 134 | ! use the deltaz from one particle below instead |
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| 135 | deltaz=(zcolumn_we(k,jy,j)-zcolumn_we(k,jy,j-2))/2. |
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| 136 | else |
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| 137 | deltaz=(zcolumn_we(k,jy,j+1)-zcolumn_we(k,jy,j-1))/2. |
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| 138 | endif |
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| 139 | if ((jy.eq.ny_sn(1)).or.(jy.eq.ny_sn(2))) then |
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| 140 | boundarea=deltaz*111198.5/2.*dy |
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| 141 | else |
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| 142 | boundarea=deltaz*111198.5*dy |
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| 143 | endif |
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| 144 | |
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| 145 | |
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| 146 | ! Interpolate the wind velocity and density to the release location |
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| 147 | !****************************************************************** |
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| 148 | |
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| 149 | ! Determine the model level below the release position |
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| 150 | !***************************************************** |
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| 151 | |
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| 152 | do i=2,nz |
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| 153 | if (height(i).gt.zcolumn_we(k,jy,j)) then |
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| 154 | indz=i-1 |
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| 155 | indzp=i |
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| 156 | goto 6 |
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| 157 | endif |
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| 158 | end do |
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| 159 | 6 continue |
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| 160 | |
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| 161 | ! Vertical distance to the level below and above current position |
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| 162 | !**************************************************************** |
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| 163 | |
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| 164 | dz1=zcolumn_we(k,jy,j)-height(indz) |
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| 165 | dz2=height(indzp)-zcolumn_we(k,jy,j) |
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| 166 | dz=1./(dz1+dz2) |
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| 167 | |
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| 168 | ! Vertical and temporal interpolation |
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| 169 | !************************************ |
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| 170 | |
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| 171 | do m=1,2 |
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| 172 | indexh=memind(m) |
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| 173 | do in=1,2 |
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| 174 | indzh=indz+in-1 |
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| 175 | windl(in)=uu(nx_we(k),jy,indzh,indexh) |
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| 176 | rhol(in)=rho(nx_we(k),jy,indzh,indexh) |
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| 177 | end do |
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| 178 | |
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| 179 | windhl(m)=(dz2*windl(1)+dz1*windl(2))*dz |
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| 180 | rhohl(m)=(dz2*rhol(1)+dz1*rhol(2))*dz |
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| 181 | end do |
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| 182 | |
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| 183 | windx=(windhl(1)*dt2+windhl(2)*dt1)*dtt |
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| 184 | rhox=(rhohl(1)*dt2+rhohl(2)*dt1)*dtt |
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| 185 | |
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| 186 | ! Calculate mass flux |
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| 187 | !******************** |
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| 188 | |
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| 189 | fluxofmass=windx*rhox*boundarea*real(lsynctime) |
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| 190 | |
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| 191 | |
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| 192 | ! If the mass flux is directed into the domain, add it to previous mass fluxes; |
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| 193 | ! if it is out of the domain, set accumulated mass flux to zero |
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| 194 | !****************************************************************************** |
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| 195 | |
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| 196 | if (k.eq.1) then |
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| 197 | if (fluxofmass.ge.0.) then |
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| 198 | acc_mass_we(k,jy,j)=acc_mass_we(k,jy,j)+fluxofmass |
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| 199 | else |
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| 200 | acc_mass_we(k,jy,j)=0. |
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| 201 | endif |
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| 202 | else |
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| 203 | if (fluxofmass.le.0.) then |
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| 204 | acc_mass_we(k,jy,j)=acc_mass_we(k,jy,j)+abs(fluxofmass) |
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| 205 | else |
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| 206 | acc_mass_we(k,jy,j)=0. |
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| 207 | endif |
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| 208 | endif |
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| 209 | accmasst=accmasst+acc_mass_we(k,jy,j) |
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| 210 | |
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| 211 | ! If the accumulated mass exceeds half the mass that each particle shall carry, |
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| 212 | ! one (or more) particle(s) is (are) released and the accumulated mass is |
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| 213 | ! reduced by the mass of this (these) particle(s) |
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| 214 | !****************************************************************************** |
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| 215 | |
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| 216 | if (acc_mass_we(k,jy,j).ge.xmassperparticle/2.) then |
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| 217 | mmass=int((acc_mass_we(k,jy,j)+xmassperparticle/2.)/ & |
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| 218 | xmassperparticle) |
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| 219 | acc_mass_we(k,jy,j)=acc_mass_we(k,jy,j)- & |
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| 220 | real(mmass)*xmassperparticle |
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| 221 | else |
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| 222 | mmass=0 |
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| 223 | endif |
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| 224 | |
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| 225 | do m=1,mmass |
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| 226 | do ipart=minpart,maxpart |
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| 227 | |
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| 228 | ! If a vacant storage space is found, attribute everything to this array element |
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| 229 | !***************************************************************************** |
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| 230 | |
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| 231 | if (itra1(ipart).ne.itime) then |
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| 232 | |
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| 233 | ! Assign particle positions |
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| 234 | !************************** |
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| 235 | |
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| 236 | xtra1(ipart)=real(nx_we(k)) |
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| 237 | if (jy.eq.ny_sn(1)) then |
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| 238 | ytra1(ipart)=real(jy)+0.5*ran1(idummy) |
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| 239 | else if (jy.eq.ny_sn(2)) then |
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| 240 | ytra1(ipart)=real(jy)-0.5*ran1(idummy) |
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| 241 | else |
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| 242 | ytra1(ipart)=real(jy)+(ran1(idummy)-.5) |
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| 243 | endif |
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| 244 | if (j.eq.1) then |
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| 245 | ztra1(ipart)=zcolumn_we(k,jy,1)+(zcolumn_we(k,jy,2)- & |
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| 246 | zcolumn_we(k,jy,1))/4. |
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| 247 | else if (j.eq.numcolumn_we(k,jy)) then |
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| 248 | ztra1(ipart)=(2.*zcolumn_we(k,jy,j)+ & |
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| 249 | zcolumn_we(k,jy,j-1)+height(nz))/4. |
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| 250 | else |
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| 251 | ztra1(ipart)=zcolumn_we(k,jy,j-1)+ran1(idummy)* & |
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| 252 | (zcolumn_we(k,jy,j+1)-zcolumn_we(k,jy,j-1)) |
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| 253 | endif |
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| 254 | |
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| 255 | ! Interpolate PV to the particle position |
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| 256 | !**************************************** |
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| 257 | ixm=int(xtra1(ipart)) |
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| 258 | jym=int(ytra1(ipart)) |
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| 259 | ixp=ixm+1 |
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| 260 | jyp=jym+1 |
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| 261 | ddx=xtra1(ipart)-real(ixm) |
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| 262 | ddy=ytra1(ipart)-real(jym) |
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| 263 | rddx=1.-ddx |
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| 264 | rddy=1.-ddy |
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| 265 | p1=rddx*rddy |
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| 266 | p2=ddx*rddy |
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| 267 | p3=rddx*ddy |
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| 268 | p4=ddx*ddy |
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| 269 | do i=2,nz |
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| 270 | if (height(i).gt.ztra1(ipart)) then |
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| 271 | indzm=i-1 |
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| 272 | indzp=i |
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| 273 | goto 26 |
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| 274 | endif |
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| 275 | end do |
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| 276 | 26 continue |
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| 277 | dz1=ztra1(ipart)-height(indzm) |
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| 278 | dz2=height(indzp)-ztra1(ipart) |
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| 279 | dz=1./(dz1+dz2) |
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| 280 | do mm=1,2 |
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| 281 | indexh=memind(mm) |
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| 282 | do in=1,2 |
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| 283 | indzh=indzm+in-1 |
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| 284 | y1(in)=p1*pv(ixm,jym,indzh,indexh) & |
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| 285 | +p2*pv(ixp,jym,indzh,indexh) & |
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| 286 | +p3*pv(ixm,jyp,indzh,indexh) & |
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| 287 | +p4*pv(ixp,jyp,indzh,indexh) |
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| 288 | end do |
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| 289 | yh1(mm)=(dz2*y1(1)+dz1*y1(2))*dz |
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| 290 | end do |
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| 291 | pvpart=(yh1(1)*dt2+yh1(2)*dt1)*dtt |
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| 292 | ylat=ylat0+ytra1(ipart)*dy |
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| 293 | if (ylat.lt.0.) pvpart=-1.*pvpart |
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| 294 | |
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| 295 | |
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| 296 | ! For domain-filling option 2 (stratospheric O3), do the rest only in the stratosphere |
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| 297 | !***************************************************************************** |
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| 298 | |
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| 299 | if (((ztra1(ipart).gt.3000.).and. & |
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| 300 | (pvpart.gt.pvcrit)).or.(mdomainfill.eq.1)) then |
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| 301 | nclass(ipart)=min(int(ran1(idummy)* & |
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| 302 | real(nclassunc))+1,nclassunc) |
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| 303 | numactiveparticles=numactiveparticles+1 |
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| 304 | numparticlecount=numparticlecount+1 |
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| 305 | npoint(ipart)=numparticlecount |
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| 306 | idt(ipart)=mintime |
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| 307 | itra1(ipart)=itime |
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| 308 | itramem(ipart)=itra1(ipart) |
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| 309 | itrasplit(ipart)=itra1(ipart)+ldirect*itsplit |
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| 310 | xmass1(ipart,1)=xmassperparticle |
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| 311 | if (mdomainfill.eq.2) xmass1(ipart,1)= & |
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| 312 | xmass1(ipart,1)*pvpart*48./29.*ozonescale/10.**9 |
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| 313 | else |
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| 314 | goto 71 |
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| 315 | endif |
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| 316 | |
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| 317 | |
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| 318 | ! Increase numpart, if necessary |
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| 319 | !******************************* |
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| 320 | |
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| 321 | numpart=max(numpart,ipart) |
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| 322 | goto 73 ! Storage space has been found, stop searching |
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| 323 | endif |
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| 324 | end do |
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| 325 | if (ipart.gt.maxpart) & |
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| 326 | stop 'boundcond_domainfill.f: too many particles required' |
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| 327 | 73 minpart=ipart+1 |
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| 328 | 71 continue |
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| 329 | end do |
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| 330 | |
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| 331 | |
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| 332 | end do |
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| 333 | end do |
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| 334 | end do |
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| 335 | |
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| 336 | |
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| 337 | !***************************************** |
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| 338 | ! Southern and northern boundary condition |
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| 339 | !***************************************** |
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| 340 | |
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| 341 | ! Loop from west to east |
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| 342 | !*********************** |
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| 343 | |
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| 344 | do ix=nx_we(1),nx_we(2) |
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| 345 | |
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| 346 | ! Loop over southern (index 1) and northern (index 2) boundary |
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| 347 | !************************************************************* |
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| 348 | |
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| 349 | do k=1,2 |
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| 350 | ylat=ylat0+real(ny_sn(k))*dy |
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| 351 | cosfact=cos(ylat*pi180) |
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| 352 | |
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| 353 | ! Loop over all release locations in a column |
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| 354 | !******************************************** |
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| 355 | |
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| 356 | do j=1,numcolumn_sn(k,ix) |
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| 357 | |
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| 358 | ! Determine, for each release location, the area of the corresponding boundary |
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| 359 | !***************************************************************************** |
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| 360 | |
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| 361 | if (j.eq.1) then |
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| 362 | deltaz=(zcolumn_sn(k,ix,2)+zcolumn_sn(k,ix,1))/2. |
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| 363 | else if (j.eq.numcolumn_sn(k,ix)) then |
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| 364 | ! deltaz=height(nz)-(zcolumn_sn(k,ix,j-1)+ |
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| 365 | ! + zcolumn_sn(k,ix,j))/2. |
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| 366 | ! In order to avoid taking a very high column for very many particles, |
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| 367 | ! use the deltaz from one particle below instead |
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| 368 | deltaz=(zcolumn_sn(k,ix,j)-zcolumn_sn(k,ix,j-2))/2. |
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| 369 | else |
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| 370 | deltaz=(zcolumn_sn(k,ix,j+1)-zcolumn_sn(k,ix,j-1))/2. |
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| 371 | endif |
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| 372 | if ((ix.eq.nx_we(1)).or.(ix.eq.nx_we(2))) then |
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| 373 | boundarea=deltaz*111198.5/2.*cosfact*dx |
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| 374 | else |
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| 375 | boundarea=deltaz*111198.5*cosfact*dx |
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| 376 | endif |
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| 377 | |
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| 378 | |
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| 379 | ! Interpolate the wind velocity and density to the release location |
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| 380 | !****************************************************************** |
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| 381 | |
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| 382 | ! Determine the model level below the release position |
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| 383 | !***************************************************** |
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| 384 | |
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| 385 | do i=2,nz |
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| 386 | if (height(i).gt.zcolumn_sn(k,ix,j)) then |
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| 387 | indz=i-1 |
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| 388 | indzp=i |
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| 389 | goto 16 |
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| 390 | endif |
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| 391 | end do |
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| 392 | 16 continue |
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| 393 | |
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| 394 | ! Vertical distance to the level below and above current position |
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| 395 | !**************************************************************** |
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| 396 | |
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| 397 | dz1=zcolumn_sn(k,ix,j)-height(indz) |
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| 398 | dz2=height(indzp)-zcolumn_sn(k,ix,j) |
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| 399 | dz=1./(dz1+dz2) |
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| 400 | |
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| 401 | ! Vertical and temporal interpolation |
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| 402 | !************************************ |
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| 403 | |
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| 404 | do m=1,2 |
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| 405 | indexh=memind(m) |
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| 406 | do in=1,2 |
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| 407 | indzh=indz+in-1 |
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| 408 | windl(in)=vv(ix,ny_sn(k),indzh,indexh) |
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| 409 | rhol(in)=rho(ix,ny_sn(k),indzh,indexh) |
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| 410 | end do |
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| 411 | |
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| 412 | windhl(m)=(dz2*windl(1)+dz1*windl(2))*dz |
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| 413 | rhohl(m)=(dz2*rhol(1)+dz1*rhol(2))*dz |
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| 414 | end do |
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| 415 | |
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| 416 | windx=(windhl(1)*dt2+windhl(2)*dt1)*dtt |
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| 417 | rhox=(rhohl(1)*dt2+rhohl(2)*dt1)*dtt |
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| 418 | |
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| 419 | ! Calculate mass flux |
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| 420 | !******************** |
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| 421 | |
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| 422 | fluxofmass=windx*rhox*boundarea*real(lsynctime) |
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| 423 | |
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| 424 | ! If the mass flux is directed into the domain, add it to previous mass fluxes; |
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| 425 | ! if it is out of the domain, set accumulated mass flux to zero |
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| 426 | !****************************************************************************** |
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| 427 | |
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| 428 | if (k.eq.1) then |
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| 429 | if (fluxofmass.ge.0.) then |
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| 430 | acc_mass_sn(k,ix,j)=acc_mass_sn(k,ix,j)+fluxofmass |
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| 431 | else |
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| 432 | acc_mass_sn(k,ix,j)=0. |
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| 433 | endif |
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| 434 | else |
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| 435 | if (fluxofmass.le.0.) then |
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| 436 | acc_mass_sn(k,ix,j)=acc_mass_sn(k,ix,j)+abs(fluxofmass) |
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| 437 | else |
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| 438 | acc_mass_sn(k,ix,j)=0. |
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| 439 | endif |
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| 440 | endif |
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| 441 | accmasst=accmasst+acc_mass_sn(k,ix,j) |
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| 442 | |
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| 443 | ! If the accumulated mass exceeds half the mass that each particle shall carry, |
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| 444 | ! one (or more) particle(s) is (are) released and the accumulated mass is |
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| 445 | ! reduced by the mass of this (these) particle(s) |
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| 446 | !****************************************************************************** |
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| 447 | |
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| 448 | if (acc_mass_sn(k,ix,j).ge.xmassperparticle/2.) then |
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| 449 | mmass=int((acc_mass_sn(k,ix,j)+xmassperparticle/2.)/ & |
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| 450 | xmassperparticle) |
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| 451 | acc_mass_sn(k,ix,j)=acc_mass_sn(k,ix,j)- & |
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| 452 | real(mmass)*xmassperparticle |
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| 453 | else |
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| 454 | mmass=0 |
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| 455 | endif |
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| 456 | |
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| 457 | do m=1,mmass |
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| 458 | do ipart=minpart,maxpart |
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| 459 | |
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| 460 | ! If a vacant storage space is found, attribute everything to this array element |
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| 461 | !***************************************************************************** |
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| 462 | |
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| 463 | if (itra1(ipart).ne.itime) then |
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| 464 | |
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| 465 | ! Assign particle positions |
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| 466 | !************************** |
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| 467 | |
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| 468 | ytra1(ipart)=real(ny_sn(k)) |
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| 469 | if (ix.eq.nx_we(1)) then |
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| 470 | xtra1(ipart)=real(ix)+0.5*ran1(idummy) |
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| 471 | else if (ix.eq.nx_we(2)) then |
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| 472 | xtra1(ipart)=real(ix)-0.5*ran1(idummy) |
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| 473 | else |
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| 474 | xtra1(ipart)=real(ix)+(ran1(idummy)-.5) |
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| 475 | endif |
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| 476 | if (j.eq.1) then |
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| 477 | ztra1(ipart)=zcolumn_sn(k,ix,1)+(zcolumn_sn(k,ix,2)- & |
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| 478 | zcolumn_sn(k,ix,1))/4. |
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| 479 | else if (j.eq.numcolumn_sn(k,ix)) then |
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| 480 | ztra1(ipart)=(2.*zcolumn_sn(k,ix,j)+ & |
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| 481 | zcolumn_sn(k,ix,j-1)+height(nz))/4. |
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| 482 | else |
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| 483 | ztra1(ipart)=zcolumn_sn(k,ix,j-1)+ran1(idummy)* & |
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| 484 | (zcolumn_sn(k,ix,j+1)-zcolumn_sn(k,ix,j-1)) |
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| 485 | endif |
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| 486 | |
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| 487 | |
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| 488 | ! Interpolate PV to the particle position |
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| 489 | !**************************************** |
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| 490 | ixm=int(xtra1(ipart)) |
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| 491 | jym=int(ytra1(ipart)) |
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| 492 | ixp=ixm+1 |
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| 493 | jyp=jym+1 |
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| 494 | ddx=xtra1(ipart)-real(ixm) |
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| 495 | ddy=ytra1(ipart)-real(jym) |
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| 496 | rddx=1.-ddx |
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| 497 | rddy=1.-ddy |
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| 498 | p1=rddx*rddy |
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| 499 | p2=ddx*rddy |
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| 500 | p3=rddx*ddy |
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| 501 | p4=ddx*ddy |
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| 502 | do i=2,nz |
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| 503 | if (height(i).gt.ztra1(ipart)) then |
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| 504 | indzm=i-1 |
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| 505 | indzp=i |
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| 506 | goto 126 |
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| 507 | endif |
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| 508 | end do |
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| 509 | 126 continue |
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| 510 | dz1=ztra1(ipart)-height(indzm) |
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| 511 | dz2=height(indzp)-ztra1(ipart) |
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| 512 | dz=1./(dz1+dz2) |
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| 513 | do mm=1,2 |
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| 514 | indexh=memind(mm) |
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| 515 | do in=1,2 |
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| 516 | indzh=indzm+in-1 |
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| 517 | y1(in)=p1*pv(ixm,jym,indzh,indexh) & |
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| 518 | +p2*pv(ixp,jym,indzh,indexh) & |
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| 519 | +p3*pv(ixm,jyp,indzh,indexh) & |
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| 520 | +p4*pv(ixp,jyp,indzh,indexh) |
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| 521 | end do |
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| 522 | yh1(mm)=(dz2*y1(1)+dz1*y1(2))*dz |
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| 523 | end do |
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| 524 | pvpart=(yh1(1)*dt2+yh1(2)*dt1)*dtt |
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| 525 | if (ylat.lt.0.) pvpart=-1.*pvpart |
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| 526 | |
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| 527 | |
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| 528 | ! For domain-filling option 2 (stratospheric O3), do the rest only in the stratosphere |
---|
| 529 | !***************************************************************************** |
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| 530 | |
---|
| 531 | if (((ztra1(ipart).gt.3000.).and. & |
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| 532 | (pvpart.gt.pvcrit)).or.(mdomainfill.eq.1)) then |
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| 533 | nclass(ipart)=min(int(ran1(idummy)* & |
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| 534 | real(nclassunc))+1,nclassunc) |
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| 535 | numactiveparticles=numactiveparticles+1 |
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| 536 | numparticlecount=numparticlecount+1 |
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| 537 | npoint(ipart)=numparticlecount |
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| 538 | idt(ipart)=mintime |
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| 539 | itra1(ipart)=itime |
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| 540 | itramem(ipart)=itra1(ipart) |
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| 541 | itrasplit(ipart)=itra1(ipart)+ldirect*itsplit |
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| 542 | xmass1(ipart,1)=xmassperparticle |
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| 543 | if (mdomainfill.eq.2) xmass1(ipart,1)= & |
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| 544 | xmass1(ipart,1)*pvpart*48./29.*ozonescale/10.**9 |
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| 545 | else |
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| 546 | goto 171 |
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| 547 | endif |
---|
| 548 | |
---|
| 549 | |
---|
| 550 | ! Increase numpart, if necessary |
---|
| 551 | !******************************* |
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| 552 | numpart=max(numpart,ipart) |
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| 553 | goto 173 ! Storage space has been found, stop searching |
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| 554 | endif |
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| 555 | end do |
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| 556 | if (ipart.gt.maxpart) & |
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| 557 | stop 'boundcond_domainfill.f: too many particles required' |
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| 558 | 173 minpart=ipart+1 |
---|
| 559 | 171 continue |
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| 560 | end do |
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| 561 | |
---|
| 562 | |
---|
| 563 | end do |
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| 564 | end do |
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| 565 | end do |
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| 566 | |
---|
| 567 | |
---|
| 568 | xm=0. |
---|
| 569 | do i=1,numpart |
---|
| 570 | if (itra1(i).eq.itime) xm=xm+xmass1(i,1) |
---|
| 571 | end do |
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| 572 | |
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| 573 | !write(*,*) itime,numactiveparticles,numparticlecount,numpart, |
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| 574 | ! +xm,accmasst,xm+accmasst |
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| 575 | |
---|
| 576 | |
---|
| 577 | ! If particles shall be dumped, then accumulated masses at the domain boundaries |
---|
| 578 | ! must be dumped, too, to be used for later runs |
---|
| 579 | !***************************************************************************** |
---|
| 580 | |
---|
| 581 | if ((ipout.gt.0).and.(itime.eq.loutend)) then |
---|
| 582 | open(unitboundcond,file=path(2)(1:length(2))//'boundcond.bin', & |
---|
| 583 | form='unformatted') |
---|
| 584 | write(unitboundcond) numcolumn_we,numcolumn_sn, & |
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| 585 | zcolumn_we,zcolumn_sn,acc_mass_we,acc_mass_sn |
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| 586 | close(unitboundcond) |
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| 587 | endif |
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| 588 | |
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| 589 | end subroutine boundcond_domainfill |
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