[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 interpol_misslev_nests(n) |
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| 23 | ! i |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! This subroutine interpolates u,v,w, density and density gradients. * |
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| 27 | ! * |
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| 28 | ! Author: A. Stohl * |
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| 29 | ! * |
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| 30 | ! 16 December 1997 * |
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| 31 | ! * |
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| 32 | !***************************************************************************** |
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| 33 | ! * |
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| 34 | ! Variables: * |
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| 35 | ! n level * |
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| 36 | ! * |
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| 37 | ! Constants: * |
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| 38 | ! * |
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| 39 | !***************************************************************************** |
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| 40 | |
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| 41 | use par_mod |
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| 42 | use com_mod |
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| 43 | use interpol_mod |
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| 44 | use hanna_mod |
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| 45 | |
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| 46 | implicit none |
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| 47 | |
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| 48 | ! Auxiliary variables needed for interpolation |
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| 49 | real :: y1(2),y2(2),y3(2),rho1(2),rhograd1(2) |
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| 50 | real :: usl,vsl,wsl,usq,vsq,wsq,xaux |
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| 51 | integer :: m,n,indexh |
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| 52 | real,parameter :: eps=1.0e-30 |
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| 53 | |
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| 54 | |
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| 55 | !******************************************** |
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| 56 | ! Multilinear interpolation in time and space |
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| 57 | !******************************************** |
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| 58 | |
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| 59 | |
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| 60 | !************************************** |
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| 61 | ! 1.) Bilinear horizontal interpolation |
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| 62 | ! 2.) Temporal interpolation (linear) |
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| 63 | !************************************** |
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| 64 | |
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| 65 | ! Loop over 2 time steps |
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| 66 | !*********************** |
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| 67 | |
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| 68 | usl=0. |
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| 69 | vsl=0. |
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| 70 | wsl=0. |
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| 71 | usq=0. |
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| 72 | vsq=0. |
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| 73 | wsq=0. |
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| 74 | do m=1,2 |
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| 75 | indexh=memind(m) |
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| 76 | y1(m)=p1*uun(ix ,jy ,n,indexh,ngrid) & |
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| 77 | +p2*uun(ixp,jy ,n,indexh,ngrid) & |
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| 78 | +p3*uun(ix ,jyp,n,indexh,ngrid) & |
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| 79 | +p4*uun(ixp,jyp,n,indexh,ngrid) |
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| 80 | y2(m)=p1*vvn(ix ,jy ,n,indexh,ngrid) & |
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| 81 | +p2*vvn(ixp,jy ,n,indexh,ngrid) & |
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| 82 | +p3*vvn(ix ,jyp,n,indexh,ngrid) & |
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| 83 | +p4*vvn(ixp,jyp,n,indexh,ngrid) |
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| 84 | y3(m)=p1*wwn(ix ,jy ,n,indexh,ngrid) & |
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| 85 | +p2*wwn(ixp,jy ,n,indexh,ngrid) & |
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| 86 | +p3*wwn(ix ,jyp,n,indexh,ngrid) & |
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| 87 | +p4*wwn(ixp,jyp,n,indexh,ngrid) |
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| 88 | rho1(m)=p1*rhon(ix ,jy ,n,indexh,ngrid) & |
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| 89 | +p2*rhon(ixp,jy ,n,indexh,ngrid) & |
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| 90 | +p3*rhon(ix ,jyp,n,indexh,ngrid) & |
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| 91 | +p4*rhon(ixp,jyp,n,indexh,ngrid) |
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| 92 | rhograd1(m)=p1*drhodzn(ix ,jy ,n,indexh,ngrid) & |
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| 93 | +p2*drhodzn(ixp,jy ,n,indexh,ngrid) & |
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| 94 | +p3*drhodzn(ix ,jyp,n,indexh,ngrid) & |
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| 95 | +p4*drhodzn(ixp,jyp,n,indexh,ngrid) |
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| 96 | |
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| 97 | usl=usl+uun(ix ,jy ,n,indexh,ngrid)+uun(ixp,jy ,n,indexh,ngrid) & |
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| 98 | +uun(ix ,jyp,n,indexh,ngrid)+uun(ixp,jyp,n,indexh,ngrid) |
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| 99 | vsl=vsl+vvn(ix ,jy ,n,indexh,ngrid)+vvn(ixp,jy ,n,indexh,ngrid) & |
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| 100 | +vvn(ix ,jyp,n,indexh,ngrid)+vvn(ixp,jyp,n,indexh,ngrid) |
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| 101 | wsl=wsl+wwn(ix ,jy ,n,indexh,ngrid)+wwn(ixp,jy ,n,indexh,ngrid) & |
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| 102 | +wwn(ix ,jyp,n,indexh,ngrid)+wwn(ixp,jyp,n,indexh,ngrid) |
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| 103 | |
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| 104 | usq=usq+uun(ix ,jy ,n,indexh,ngrid)*uun(ix ,jy ,n,indexh,ngrid)+ & |
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| 105 | uun(ixp,jy ,n,indexh,ngrid)*uun(ixp,jy ,n,indexh,ngrid)+ & |
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| 106 | uun(ix ,jyp,n,indexh,ngrid)*uun(ix ,jyp,n,indexh,ngrid)+ & |
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| 107 | uun(ixp,jyp,n,indexh,ngrid)*uun(ixp,jyp,n,indexh,ngrid) |
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| 108 | vsq=vsq+vvn(ix ,jy ,n,indexh,ngrid)*vvn(ix ,jy ,n,indexh,ngrid)+ & |
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| 109 | vvn(ixp,jy ,n,indexh,ngrid)*vvn(ixp,jy ,n,indexh,ngrid)+ & |
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| 110 | vvn(ix ,jyp,n,indexh,ngrid)*vvn(ix ,jyp,n,indexh,ngrid)+ & |
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| 111 | vvn(ixp,jyp,n,indexh,ngrid)*vvn(ixp,jyp,n,indexh,ngrid) |
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| 112 | wsq=wsq+wwn(ix ,jy ,n,indexh,ngrid)*wwn(ix ,jy ,n,indexh,ngrid)+ & |
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| 113 | wwn(ixp,jy ,n,indexh,ngrid)*wwn(ixp,jy ,n,indexh,ngrid)+ & |
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| 114 | wwn(ix ,jyp,n,indexh,ngrid)*wwn(ix ,jyp,n,indexh,ngrid)+ & |
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| 115 | wwn(ixp,jyp,n,indexh,ngrid)*wwn(ixp,jyp,n,indexh,ngrid) |
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| 116 | end do |
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| 117 | uprof(n)=(y1(1)*dt2+y1(2)*dt1)*dtt |
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| 118 | vprof(n)=(y2(1)*dt2+y2(2)*dt1)*dtt |
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| 119 | wprof(n)=(y3(1)*dt2+y3(2)*dt1)*dtt |
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| 120 | rhoprof(n)=(rho1(1)*dt2+rho1(2)*dt1)*dtt |
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| 121 | rhogradprof(n)=(rhograd1(1)*dt2+rhograd1(2)*dt1)*dtt |
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| 122 | indzindicator(n)=.false. |
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| 123 | |
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| 124 | ! Compute standard deviations |
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| 125 | !**************************** |
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| 126 | |
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| 127 | xaux=usq-usl*usl/8. |
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| 128 | if (xaux.lt.eps) then |
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| 129 | usigprof(n)=0. |
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| 130 | else |
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| 131 | usigprof(n)=sqrt(xaux/7.) |
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| 132 | endif |
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| 133 | |
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| 134 | xaux=vsq-vsl*vsl/8. |
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| 135 | if (xaux.lt.eps) then |
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| 136 | vsigprof(n)=0. |
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| 137 | else |
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| 138 | vsigprof(n)=sqrt(xaux/7.) |
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| 139 | endif |
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| 140 | |
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| 141 | |
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| 142 | xaux=wsq-wsl*wsl/8. |
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| 143 | if (xaux.lt.eps) then |
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| 144 | wsigprof(n)=0. |
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| 145 | else |
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| 146 | wsigprof(n)=sqrt(xaux/7.) |
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| 147 | endif |
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| 148 | |
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| 149 | end subroutine interpol_misslev_nests |
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