[92fab65] | 1 | ! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt |
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| 2 | ! SPDX-License-Identifier: GPL-3.0-or-later |
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[332fbbd] | 3 | |
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[e200b7a] | 4 | subroutine interpol_misslev_nests(n) |
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| 5 | ! i |
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| 6 | !***************************************************************************** |
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| 7 | ! * |
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| 8 | ! This subroutine interpolates u,v,w, density and density gradients. * |
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| 9 | ! * |
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| 10 | ! Author: A. Stohl * |
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| 11 | ! * |
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| 12 | ! 16 December 1997 * |
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| 13 | ! * |
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| 14 | !***************************************************************************** |
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| 15 | ! * |
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| 16 | ! Variables: * |
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| 17 | ! n level * |
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| 18 | ! * |
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| 19 | ! Constants: * |
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| 20 | ! * |
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| 21 | !***************************************************************************** |
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| 22 | |
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| 23 | use par_mod |
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| 24 | use com_mod |
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| 25 | use interpol_mod |
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| 26 | use hanna_mod |
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| 27 | |
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| 28 | implicit none |
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| 29 | |
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| 30 | ! Auxiliary variables needed for interpolation |
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| 31 | real :: y1(2),y2(2),y3(2),rho1(2),rhograd1(2) |
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| 32 | real :: usl,vsl,wsl,usq,vsq,wsq,xaux |
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| 33 | integer :: m,n,indexh |
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| 34 | real,parameter :: eps=1.0e-30 |
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| 35 | |
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| 36 | |
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| 37 | !******************************************** |
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| 38 | ! Multilinear interpolation in time and space |
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| 39 | !******************************************** |
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| 40 | |
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| 41 | |
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| 42 | !************************************** |
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| 43 | ! 1.) Bilinear horizontal interpolation |
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| 44 | ! 2.) Temporal interpolation (linear) |
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| 45 | !************************************** |
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| 46 | |
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| 47 | ! Loop over 2 time steps |
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| 48 | !*********************** |
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| 49 | |
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| 50 | usl=0. |
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| 51 | vsl=0. |
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| 52 | wsl=0. |
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| 53 | usq=0. |
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| 54 | vsq=0. |
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| 55 | wsq=0. |
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| 56 | do m=1,2 |
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| 57 | indexh=memind(m) |
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| 58 | y1(m)=p1*uun(ix ,jy ,n,indexh,ngrid) & |
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| 59 | +p2*uun(ixp,jy ,n,indexh,ngrid) & |
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| 60 | +p3*uun(ix ,jyp,n,indexh,ngrid) & |
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| 61 | +p4*uun(ixp,jyp,n,indexh,ngrid) |
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| 62 | y2(m)=p1*vvn(ix ,jy ,n,indexh,ngrid) & |
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| 63 | +p2*vvn(ixp,jy ,n,indexh,ngrid) & |
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| 64 | +p3*vvn(ix ,jyp,n,indexh,ngrid) & |
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| 65 | +p4*vvn(ixp,jyp,n,indexh,ngrid) |
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| 66 | y3(m)=p1*wwn(ix ,jy ,n,indexh,ngrid) & |
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| 67 | +p2*wwn(ixp,jy ,n,indexh,ngrid) & |
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| 68 | +p3*wwn(ix ,jyp,n,indexh,ngrid) & |
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| 69 | +p4*wwn(ixp,jyp,n,indexh,ngrid) |
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| 70 | rho1(m)=p1*rhon(ix ,jy ,n,indexh,ngrid) & |
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| 71 | +p2*rhon(ixp,jy ,n,indexh,ngrid) & |
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| 72 | +p3*rhon(ix ,jyp,n,indexh,ngrid) & |
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| 73 | +p4*rhon(ixp,jyp,n,indexh,ngrid) |
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| 74 | rhograd1(m)=p1*drhodzn(ix ,jy ,n,indexh,ngrid) & |
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| 75 | +p2*drhodzn(ixp,jy ,n,indexh,ngrid) & |
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| 76 | +p3*drhodzn(ix ,jyp,n,indexh,ngrid) & |
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| 77 | +p4*drhodzn(ixp,jyp,n,indexh,ngrid) |
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| 78 | |
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| 79 | usl=usl+uun(ix ,jy ,n,indexh,ngrid)+uun(ixp,jy ,n,indexh,ngrid) & |
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| 80 | +uun(ix ,jyp,n,indexh,ngrid)+uun(ixp,jyp,n,indexh,ngrid) |
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| 81 | vsl=vsl+vvn(ix ,jy ,n,indexh,ngrid)+vvn(ixp,jy ,n,indexh,ngrid) & |
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| 82 | +vvn(ix ,jyp,n,indexh,ngrid)+vvn(ixp,jyp,n,indexh,ngrid) |
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| 83 | wsl=wsl+wwn(ix ,jy ,n,indexh,ngrid)+wwn(ixp,jy ,n,indexh,ngrid) & |
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| 84 | +wwn(ix ,jyp,n,indexh,ngrid)+wwn(ixp,jyp,n,indexh,ngrid) |
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| 85 | |
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| 86 | usq=usq+uun(ix ,jy ,n,indexh,ngrid)*uun(ix ,jy ,n,indexh,ngrid)+ & |
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| 87 | uun(ixp,jy ,n,indexh,ngrid)*uun(ixp,jy ,n,indexh,ngrid)+ & |
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| 88 | uun(ix ,jyp,n,indexh,ngrid)*uun(ix ,jyp,n,indexh,ngrid)+ & |
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| 89 | uun(ixp,jyp,n,indexh,ngrid)*uun(ixp,jyp,n,indexh,ngrid) |
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| 90 | vsq=vsq+vvn(ix ,jy ,n,indexh,ngrid)*vvn(ix ,jy ,n,indexh,ngrid)+ & |
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| 91 | vvn(ixp,jy ,n,indexh,ngrid)*vvn(ixp,jy ,n,indexh,ngrid)+ & |
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| 92 | vvn(ix ,jyp,n,indexh,ngrid)*vvn(ix ,jyp,n,indexh,ngrid)+ & |
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| 93 | vvn(ixp,jyp,n,indexh,ngrid)*vvn(ixp,jyp,n,indexh,ngrid) |
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| 94 | wsq=wsq+wwn(ix ,jy ,n,indexh,ngrid)*wwn(ix ,jy ,n,indexh,ngrid)+ & |
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| 95 | wwn(ixp,jy ,n,indexh,ngrid)*wwn(ixp,jy ,n,indexh,ngrid)+ & |
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| 96 | wwn(ix ,jyp,n,indexh,ngrid)*wwn(ix ,jyp,n,indexh,ngrid)+ & |
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| 97 | wwn(ixp,jyp,n,indexh,ngrid)*wwn(ixp,jyp,n,indexh,ngrid) |
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| 98 | end do |
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| 99 | uprof(n)=(y1(1)*dt2+y1(2)*dt1)*dtt |
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| 100 | vprof(n)=(y2(1)*dt2+y2(2)*dt1)*dtt |
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| 101 | wprof(n)=(y3(1)*dt2+y3(2)*dt1)*dtt |
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| 102 | rhoprof(n)=(rho1(1)*dt2+rho1(2)*dt1)*dtt |
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| 103 | rhogradprof(n)=(rhograd1(1)*dt2+rhograd1(2)*dt1)*dtt |
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| 104 | indzindicator(n)=.false. |
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| 105 | |
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| 106 | ! Compute standard deviations |
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| 107 | !**************************** |
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| 108 | |
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| 109 | xaux=usq-usl*usl/8. |
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| 110 | if (xaux.lt.eps) then |
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| 111 | usigprof(n)=0. |
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| 112 | else |
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| 113 | usigprof(n)=sqrt(xaux/7.) |
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| 114 | endif |
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| 115 | |
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| 116 | xaux=vsq-vsl*vsl/8. |
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| 117 | if (xaux.lt.eps) then |
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| 118 | vsigprof(n)=0. |
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| 119 | else |
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| 120 | vsigprof(n)=sqrt(xaux/7.) |
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| 121 | endif |
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| 122 | |
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| 123 | |
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| 124 | xaux=wsq-wsl*wsl/8. |
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| 125 | if (xaux.lt.eps) then |
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| 126 | wsigprof(n)=0. |
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| 127 | else |
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| 128 | wsigprof(n)=sqrt(xaux/7.) |
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| 129 | endif |
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| 130 | |
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| 131 | end subroutine interpol_misslev_nests |
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