[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 verttransform(n,uuh,vvh,wwh,pvh) |
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[8a65cb0] | 23 | ! i i i i i |
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| 24 | !***************************************************************************** |
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| 25 | ! * |
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| 26 | ! This subroutine transforms temperature, dew point temperature and * |
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| 27 | ! wind components from eta to meter coordinates. * |
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| 28 | ! The vertical wind component is transformed from Pa/s to m/s using * |
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| 29 | ! the conversion factor pinmconv. * |
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| 30 | ! In addition, this routine calculates vertical density gradients * |
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| 31 | ! needed for the parameterization of the turbulent velocities. * |
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| 32 | ! * |
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| 33 | ! Author: A. Stohl, G. Wotawa * |
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| 34 | ! * |
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| 35 | ! 12 August 1996 * |
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| 36 | ! Update: 16 January 1998 * |
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| 37 | ! * |
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| 38 | ! Major update: 17 February 1999 * |
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| 39 | ! by G. Wotawa * |
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| 40 | ! * |
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| 41 | ! - Vertical levels for u, v and w are put together * |
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| 42 | ! - Slope correction for vertical velocity: Modification of calculation * |
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| 43 | ! procedure * |
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| 44 | ! * |
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| 45 | !***************************************************************************** |
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| 46 | ! Changes, Bernd C. Krueger, Feb. 2001: |
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| 47 | ! Variables tth and qvh (on eta coordinates) from common block |
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| 48 | !***************************************************************************** |
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| 49 | ! Sabine Eckhardt, March 2007 |
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| 50 | ! added the variable cloud for use with scavenging - descr. in com_mod |
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| 51 | !***************************************************************************** |
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| 52 | ! * |
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| 53 | ! Variables: * |
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| 54 | ! nx,ny,nz field dimensions in x,y and z direction * |
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| 55 | ! clouds(0:nxmax,0:nymax,0:nzmax,numwfmem) cloud field for wet deposition * |
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| 56 | ! uu(0:nxmax,0:nymax,nzmax,numwfmem) wind components in x-direction [m/s]* |
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| 57 | ! vv(0:nxmax,0:nymax,nzmax,numwfmem) wind components in y-direction [m/s]* |
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| 58 | ! ww(0:nxmax,0:nymax,nzmax,numwfmem) wind components in z-direction * |
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| 59 | ! [deltaeta/s] * |
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| 60 | ! tt(0:nxmax,0:nymax,nzmax,numwfmem) temperature [K] * |
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| 61 | ! pv(0:nxmax,0:nymax,nzmax,numwfmem) potential voriticity (pvu) * |
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| 62 | ! ps(0:nxmax,0:nymax,numwfmem) surface pressure [Pa] * |
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| 63 | ! * |
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| 64 | !***************************************************************************** |
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[e200b7a] | 65 | |
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| 66 | use par_mod |
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| 67 | use com_mod |
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| 68 | use cmapf_mod, only: cc2gll |
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| 69 | |
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| 70 | implicit none |
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| 71 | |
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| 72 | integer :: ix,jy,kz,iz,n,kmin,kl,klp,ix1,jy1,ixp,jyp,ixm,jym |
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[4fbe7a5] | 73 | integer :: rain_cloud_above,kz_inv |
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[8a65cb0] | 74 | ! integer :: icloudtop !PS |
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[e200b7a] | 75 | real :: f_qvsat,pressure |
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[8a65cb0] | 76 | ! real :: rh,lsp,convp |
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| 77 | real :: rh,lsp,convp,prec,rhmin,precmin |
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[4fbe7a5] | 78 | real :: rhoh(nuvzmax),pinmconv(nzmax) |
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[e200b7a] | 79 | real :: ew,pint,tv,tvold,pold,dz1,dz2,dz,ui,vi |
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| 80 | real :: xlon,ylat,xlonr,dzdx,dzdy |
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[4fbe7a5] | 81 | real :: dzdx1,dzdx2,dzdy1,dzdy2,cosf |
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[e200b7a] | 82 | real :: uuaux,vvaux,uupolaux,vvpolaux,ddpol,ffpol,wdummy |
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| 83 | real :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 84 | real :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 85 | real :: pvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 86 | real :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
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| 87 | real :: wzlev(nwzmax),uvwzlev(0:nxmax-1,0:nymax-1,nzmax) |
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[8a65cb0] | 88 | logical lconvectprec |
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[e200b7a] | 89 | real,parameter :: const=r_air/ga |
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[8a65cb0] | 90 | parameter (precmin = 0.002) ! minimum prec in mm/h for cloud diagnostics |
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[e200b7a] | 91 | |
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| 92 | logical :: init = .true. |
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| 93 | |
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[8a65cb0] | 94 | !hg |
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| 95 | integer :: cloud_ver,cloud_min, cloud_max |
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| 96 | real :: cloud_col_wat, cloud_water |
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| 97 | !hg temporary variables for testing |
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| 98 | real :: rcw(0:nxmax-1,0:nymax-1) |
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| 99 | real :: rpc(0:nxmax-1,0:nymax-1) |
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| 100 | !hg |
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[e200b7a] | 101 | |
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[8a65cb0] | 102 | !************************************************************************* |
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| 103 | ! If verttransform is called the first time, initialize heights of the * |
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| 104 | ! z levels in meter. The heights are the heights of model levels, where * |
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| 105 | ! u,v,T and qv are given. * |
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| 106 | !************************************************************************* |
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[e200b7a] | 107 | |
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| 108 | if (init) then |
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| 109 | |
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[8a65cb0] | 110 | ! Search for a point with high surface pressure (i.e. not above significant topography) |
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| 111 | ! Then, use this point to construct a reference z profile, to be used at all times |
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| 112 | !************************************************************************************** |
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[e200b7a] | 113 | |
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| 114 | do jy=0,nymin1 |
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| 115 | do ix=0,nxmin1 |
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| 116 | if (ps(ix,jy,1,n).gt.100000.) then |
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| 117 | ixm=ix |
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| 118 | jym=jy |
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| 119 | goto 3 |
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| 120 | endif |
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| 121 | end do |
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| 122 | end do |
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| 123 | 3 continue |
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| 124 | |
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| 125 | |
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| 126 | tvold=tt2(ixm,jym,1,n)*(1.+0.378*ew(td2(ixm,jym,1,n))/ & |
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[8a65cb0] | 127 | ps(ixm,jym,1,n)) |
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[e200b7a] | 128 | pold=ps(ixm,jym,1,n) |
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| 129 | height(1)=0. |
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| 130 | |
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| 131 | do kz=2,nuvz |
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| 132 | pint=akz(kz)+bkz(kz)*ps(ixm,jym,1,n) |
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| 133 | tv=tth(ixm,jym,kz,n)*(1.+0.608*qvh(ixm,jym,kz,n)) |
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| 134 | |
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| 135 | if (abs(tv-tvold).gt.0.2) then |
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[4fbe7a5] | 136 | height(kz)=height(kz-1)+const*log(pold/pint)* & |
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[8a65cb0] | 137 | (tv-tvold)/log(tv/tvold) |
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[e200b7a] | 138 | else |
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[4fbe7a5] | 139 | height(kz)=height(kz-1)+const*log(pold/pint)*tv |
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[e200b7a] | 140 | endif |
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| 141 | |
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| 142 | tvold=tv |
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| 143 | pold=pint |
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| 144 | end do |
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| 145 | |
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| 146 | |
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[8a65cb0] | 147 | ! Determine highest levels that can be within PBL |
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| 148 | !************************************************ |
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[e200b7a] | 149 | |
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| 150 | do kz=1,nz |
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| 151 | if (height(kz).gt.hmixmax) then |
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| 152 | nmixz=kz |
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| 153 | goto 9 |
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| 154 | endif |
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| 155 | end do |
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| 156 | 9 continue |
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| 157 | |
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[8a65cb0] | 158 | ! Do not repeat initialization of the Cartesian z grid |
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| 159 | !***************************************************** |
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[e200b7a] | 160 | |
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| 161 | init=.false. |
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| 162 | |
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| 163 | endif |
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| 164 | |
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| 165 | |
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[8a65cb0] | 166 | ! Loop over the whole grid |
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| 167 | !************************* |
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[e200b7a] | 168 | |
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| 169 | do jy=0,nymin1 |
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| 170 | do ix=0,nxmin1 |
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[4fbe7a5] | 171 | tvold=tt2(ix,jy,1,n)*(1.+0.378*ew(td2(ix,jy,1,n))/ps(ix,jy,1,n)) |
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[e200b7a] | 172 | pold=ps(ix,jy,1,n) |
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[4fbe7a5] | 173 | uvwzlev(ix,jy,1)=0. |
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[e200b7a] | 174 | wzlev(1)=0. |
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| 175 | rhoh(1)=pold/(r_air*tvold) |
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| 176 | |
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| 177 | |
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[8a65cb0] | 178 | ! Compute heights of eta levels |
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| 179 | !****************************** |
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[e200b7a] | 180 | |
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| 181 | do kz=2,nuvz |
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| 182 | pint=akz(kz)+bkz(kz)*ps(ix,jy,1,n) |
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| 183 | tv=tth(ix,jy,kz,n)*(1.+0.608*qvh(ix,jy,kz,n)) |
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| 184 | rhoh(kz)=pint/(r_air*tv) |
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| 185 | |
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| 186 | if (abs(tv-tvold).gt.0.2) then |
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[4fbe7a5] | 187 | uvwzlev(ix,jy,kz)=uvwzlev(ix,jy,kz-1)+const*log(pold/pint)* & |
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[8a65cb0] | 188 | (tv-tvold)/log(tv/tvold) |
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[e200b7a] | 189 | else |
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[4fbe7a5] | 190 | uvwzlev(ix,jy,kz)=uvwzlev(ix,jy,kz-1)+const*log(pold/pint)*tv |
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[e200b7a] | 191 | endif |
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| 192 | |
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| 193 | tvold=tv |
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| 194 | pold=pint |
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| 195 | end do |
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| 196 | |
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| 197 | |
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| 198 | do kz=2,nwz-1 |
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[4fbe7a5] | 199 | wzlev(kz)=(uvwzlev(ix,jy,kz+1)+uvwzlev(ix,jy,kz))/2. |
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[e200b7a] | 200 | end do |
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[4fbe7a5] | 201 | wzlev(nwz)=wzlev(nwz-1)+uvwzlev(ix,jy,nuvz)-uvwzlev(ix,jy,nuvz-1) |
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[e200b7a] | 202 | |
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[8a65cb0] | 203 | ! pinmconv=(h2-h1)/(p2-p1) |
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[e200b7a] | 204 | |
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| 205 | pinmconv(1)=(uvwzlev(ix,jy,2)-uvwzlev(ix,jy,1))/ & |
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[8a65cb0] | 206 | ((aknew(2)+bknew(2)*ps(ix,jy,1,n))- & |
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| 207 | (aknew(1)+bknew(1)*ps(ix,jy,1,n))) |
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[e200b7a] | 208 | do kz=2,nz-1 |
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| 209 | pinmconv(kz)=(uvwzlev(ix,jy,kz+1)-uvwzlev(ix,jy,kz-1))/ & |
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[8a65cb0] | 210 | ((aknew(kz+1)+bknew(kz+1)*ps(ix,jy,1,n))- & |
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| 211 | (aknew(kz-1)+bknew(kz-1)*ps(ix,jy,1,n))) |
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[e200b7a] | 212 | end do |
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| 213 | pinmconv(nz)=(uvwzlev(ix,jy,nz)-uvwzlev(ix,jy,nz-1))/ & |
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[8a65cb0] | 214 | ((aknew(nz)+bknew(nz)*ps(ix,jy,1,n))- & |
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| 215 | (aknew(nz-1)+bknew(nz-1)*ps(ix,jy,1,n))) |
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[e200b7a] | 216 | |
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[8a65cb0] | 217 | ! Levels, where u,v,t and q are given |
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| 218 | !************************************ |
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[e200b7a] | 219 | |
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| 220 | uu(ix,jy,1,n)=uuh(ix,jy,1) |
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| 221 | vv(ix,jy,1,n)=vvh(ix,jy,1) |
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| 222 | tt(ix,jy,1,n)=tth(ix,jy,1,n) |
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| 223 | qv(ix,jy,1,n)=qvh(ix,jy,1,n) |
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[8a65cb0] | 224 | !hg adding the cloud water |
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| 225 | clwc(ix,jy,1,n)=clwch(ix,jy,1,n) |
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| 226 | ciwc(ix,jy,1,n)=ciwch(ix,jy,1,n) |
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| 227 | !hg |
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[e200b7a] | 228 | pv(ix,jy,1,n)=pvh(ix,jy,1) |
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| 229 | rho(ix,jy,1,n)=rhoh(1) |
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| 230 | uu(ix,jy,nz,n)=uuh(ix,jy,nuvz) |
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| 231 | vv(ix,jy,nz,n)=vvh(ix,jy,nuvz) |
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| 232 | tt(ix,jy,nz,n)=tth(ix,jy,nuvz,n) |
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| 233 | qv(ix,jy,nz,n)=qvh(ix,jy,nuvz,n) |
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[8a65cb0] | 234 | |
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| 235 | !hg adding the cloud water |
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| 236 | clwc(ix,jy,nz,n)=clwch(ix,jy,nuvz,n) |
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| 237 | ciwc(ix,jy,nz,n)=ciwch(ix,jy,nuvz,n) |
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| 238 | !hg |
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[e200b7a] | 239 | pv(ix,jy,nz,n)=pvh(ix,jy,nuvz) |
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| 240 | rho(ix,jy,nz,n)=rhoh(nuvz) |
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| 241 | kmin=2 |
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| 242 | do iz=2,nz-1 |
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| 243 | do kz=kmin,nuvz |
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[4fbe7a5] | 244 | if(height(iz).gt.uvwzlev(ix,jy,nuvz)) then |
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[e200b7a] | 245 | uu(ix,jy,iz,n)=uu(ix,jy,nz,n) |
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| 246 | vv(ix,jy,iz,n)=vv(ix,jy,nz,n) |
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| 247 | tt(ix,jy,iz,n)=tt(ix,jy,nz,n) |
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| 248 | qv(ix,jy,iz,n)=qv(ix,jy,nz,n) |
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[8a65cb0] | 249 | !hg adding the cloud water |
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| 250 | clwc(ix,jy,iz,n)=clwc(ix,jy,nz,n) |
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| 251 | ciwc(ix,jy,iz,n)=ciwc(ix,jy,nz,n) |
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| 252 | !hg |
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[e200b7a] | 253 | pv(ix,jy,iz,n)=pv(ix,jy,nz,n) |
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| 254 | rho(ix,jy,iz,n)=rho(ix,jy,nz,n) |
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| 255 | goto 30 |
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| 256 | endif |
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[4fbe7a5] | 257 | if ((height(iz).gt.uvwzlev(ix,jy,kz-1)).and. & |
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[8a65cb0] | 258 | (height(iz).le.uvwzlev(ix,jy,kz))) then |
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| 259 | dz1=height(iz)-uvwzlev(ix,jy,kz-1) |
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| 260 | dz2=uvwzlev(ix,jy,kz)-height(iz) |
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| 261 | dz=dz1+dz2 |
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| 262 | uu(ix,jy,iz,n)=(uuh(ix,jy,kz-1)*dz2+uuh(ix,jy,kz)*dz1)/dz |
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| 263 | vv(ix,jy,iz,n)=(vvh(ix,jy,kz-1)*dz2+vvh(ix,jy,kz)*dz1)/dz |
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| 264 | tt(ix,jy,iz,n)=(tth(ix,jy,kz-1,n)*dz2+tth(ix,jy,kz,n)*dz1)/dz |
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| 265 | qv(ix,jy,iz,n)=(qvh(ix,jy,kz-1,n)*dz2+qvh(ix,jy,kz,n)*dz1)/dz |
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| 266 | !hg adding the cloud water |
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| 267 | clwc(ix,jy,iz,n)=(clwch(ix,jy,kz-1,n)*dz2+clwch(ix,jy,kz,n)*dz1)/dz |
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| 268 | ciwc(ix,jy,iz,n)=(ciwch(ix,jy,kz-1,n)*dz2+ciwch(ix,jy,kz,n)*dz1)/dz |
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| 269 | !hg |
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| 270 | |
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| 271 | pv(ix,jy,iz,n)=(pvh(ix,jy,kz-1)*dz2+pvh(ix,jy,kz)*dz1)/dz |
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| 272 | rho(ix,jy,iz,n)=(rhoh(kz-1)*dz2+rhoh(kz)*dz1)/dz |
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| 273 | kmin=kz |
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| 274 | goto 30 |
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[e200b7a] | 275 | endif |
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| 276 | end do |
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| 277 | 30 continue |
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| 278 | end do |
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| 279 | |
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| 280 | |
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[8a65cb0] | 281 | ! Levels, where w is given |
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| 282 | !************************* |
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[e200b7a] | 283 | |
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| 284 | ww(ix,jy,1,n)=wwh(ix,jy,1)*pinmconv(1) |
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| 285 | ww(ix,jy,nz,n)=wwh(ix,jy,nwz)*pinmconv(nz) |
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| 286 | kmin=2 |
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| 287 | do iz=2,nz |
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| 288 | do kz=kmin,nwz |
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| 289 | if ((height(iz).gt.wzlev(kz-1)).and. & |
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| 290 | (height(iz).le.wzlev(kz))) then |
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[8a65cb0] | 291 | dz1=height(iz)-wzlev(kz-1) |
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| 292 | dz2=wzlev(kz)-height(iz) |
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| 293 | dz=dz1+dz2 |
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| 294 | ww(ix,jy,iz,n)=(wwh(ix,jy,kz-1)*pinmconv(kz-1)*dz2 & |
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| 295 | +wwh(ix,jy,kz)*pinmconv(kz)*dz1)/dz |
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| 296 | kmin=kz |
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| 297 | goto 40 |
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[e200b7a] | 298 | endif |
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| 299 | end do |
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| 300 | 40 continue |
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| 301 | end do |
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| 302 | |
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[8a65cb0] | 303 | ! Compute density gradients at intermediate levels |
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| 304 | !************************************************* |
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[e200b7a] | 305 | |
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| 306 | drhodz(ix,jy,1,n)=(rho(ix,jy,2,n)-rho(ix,jy,1,n))/ & |
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[8a65cb0] | 307 | (height(2)-height(1)) |
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[e200b7a] | 308 | do kz=2,nz-1 |
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| 309 | drhodz(ix,jy,kz,n)=(rho(ix,jy,kz+1,n)-rho(ix,jy,kz-1,n))/ & |
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[8a65cb0] | 310 | (height(kz+1)-height(kz-1)) |
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[e200b7a] | 311 | end do |
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| 312 | drhodz(ix,jy,nz,n)=drhodz(ix,jy,nz-1,n) |
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| 313 | |
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| 314 | end do |
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| 315 | end do |
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| 316 | |
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| 317 | |
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[8a65cb0] | 318 | !**************************************************************** |
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| 319 | ! Compute slope of eta levels in windward direction and resulting |
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| 320 | ! vertical wind correction |
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| 321 | !**************************************************************** |
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[e200b7a] | 322 | |
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| 323 | do jy=1,ny-2 |
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[4fbe7a5] | 324 | cosf=cos((real(jy)*dy+ylat0)*pi180) |
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[e200b7a] | 325 | do ix=1,nx-2 |
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| 326 | |
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| 327 | kmin=2 |
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| 328 | do iz=2,nz-1 |
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| 329 | |
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[4fbe7a5] | 330 | ui=uu(ix,jy,iz,n)*dxconst/cosf |
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[e200b7a] | 331 | vi=vv(ix,jy,iz,n)*dyconst |
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| 332 | |
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| 333 | do kz=kmin,nz |
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| 334 | if ((height(iz).gt.uvwzlev(ix,jy,kz-1)).and. & |
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[8a65cb0] | 335 | (height(iz).le.uvwzlev(ix,jy,kz))) then |
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[e200b7a] | 336 | dz1=height(iz)-uvwzlev(ix,jy,kz-1) |
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| 337 | dz2=uvwzlev(ix,jy,kz)-height(iz) |
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| 338 | dz=dz1+dz2 |
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| 339 | kl=kz-1 |
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| 340 | klp=kz |
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| 341 | kmin=kz |
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| 342 | goto 47 |
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| 343 | endif |
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| 344 | end do |
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| 345 | |
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| 346 | 47 ix1=ix-1 |
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| 347 | jy1=jy-1 |
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| 348 | ixp=ix+1 |
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| 349 | jyp=jy+1 |
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| 350 | |
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| 351 | dzdx1=(uvwzlev(ixp,jy,kl)-uvwzlev(ix1,jy,kl))/2. |
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| 352 | dzdx2=(uvwzlev(ixp,jy,klp)-uvwzlev(ix1,jy,klp))/2. |
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| 353 | dzdx=(dzdx1*dz2+dzdx2*dz1)/dz |
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| 354 | |
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| 355 | dzdy1=(uvwzlev(ix,jyp,kl)-uvwzlev(ix,jy1,kl))/2. |
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| 356 | dzdy2=(uvwzlev(ix,jyp,klp)-uvwzlev(ix,jy1,klp))/2. |
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| 357 | dzdy=(dzdy1*dz2+dzdy2*dz1)/dz |
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| 358 | |
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| 359 | ww(ix,jy,iz,n)=ww(ix,jy,iz,n)+(dzdx*ui+dzdy*vi) |
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| 360 | |
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| 361 | end do |
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| 362 | |
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| 363 | end do |
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| 364 | end do |
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| 365 | |
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| 366 | |
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[8a65cb0] | 367 | ! If north pole is in the domain, calculate wind velocities in polar |
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| 368 | ! stereographic coordinates |
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| 369 | !******************************************************************* |
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[e200b7a] | 370 | |
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| 371 | if (nglobal) then |
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| 372 | do jy=int(switchnorthg)-2,nymin1 |
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| 373 | ylat=ylat0+real(jy)*dy |
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| 374 | do ix=0,nxmin1 |
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| 375 | xlon=xlon0+real(ix)*dx |
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| 376 | do iz=1,nz |
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| 377 | call cc2gll(northpolemap,ylat,xlon,uu(ix,jy,iz,n), & |
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[8a65cb0] | 378 | vv(ix,jy,iz,n),uupol(ix,jy,iz,n),vvpol(ix,jy,iz,n)) |
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[e200b7a] | 379 | end do |
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| 380 | end do |
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| 381 | end do |
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| 382 | |
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| 383 | |
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| 384 | do iz=1,nz |
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| 385 | |
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[8a65cb0] | 386 | ! CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
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| 387 | ! |
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| 388 | ! AMSnauffer Nov 18 2004 Added check for case vv=0 |
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| 389 | ! |
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[e200b7a] | 390 | xlon=xlon0+real(nx/2-1)*dx |
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| 391 | xlonr=xlon*pi/180. |
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[4fbe7a5] | 392 | ffpol=sqrt(uu(nx/2-1,nymin1,iz,n)**2+vv(nx/2-1,nymin1,iz,n)**2) |
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[e200b7a] | 393 | if (vv(nx/2-1,nymin1,iz,n).lt.0.) then |
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[4fbe7a5] | 394 | ddpol=atan(uu(nx/2-1,nymin1,iz,n)/vv(nx/2-1,nymin1,iz,n))-xlonr |
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[e200b7a] | 395 | else if (vv(nx/2-1,nymin1,iz,n).gt.0.) then |
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| 396 | ddpol=pi+atan(uu(nx/2-1,nymin1,iz,n)/ & |
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[8a65cb0] | 397 | vv(nx/2-1,nymin1,iz,n))-xlonr |
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[e200b7a] | 398 | else |
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| 399 | ddpol=pi/2-xlonr |
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| 400 | endif |
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| 401 | if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
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| 402 | if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
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| 403 | |
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[8a65cb0] | 404 | ! CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
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[e200b7a] | 405 | xlon=180.0 |
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| 406 | xlonr=xlon*pi/180. |
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| 407 | ylat=90.0 |
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| 408 | uuaux=-ffpol*sin(xlonr+ddpol) |
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| 409 | vvaux=-ffpol*cos(xlonr+ddpol) |
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[4fbe7a5] | 410 | call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux,vvpolaux) |
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[e200b7a] | 411 | jy=nymin1 |
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| 412 | do ix=0,nxmin1 |
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| 413 | uupol(ix,jy,iz,n)=uupolaux |
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| 414 | vvpol(ix,jy,iz,n)=vvpolaux |
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| 415 | end do |
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| 416 | end do |
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| 417 | |
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| 418 | |
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[8a65cb0] | 419 | ! Fix: Set W at pole to the zonally averaged W of the next equator- |
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| 420 | ! ward parallel of latitude |
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[e200b7a] | 421 | |
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[8a65cb0] | 422 | do iz=1,nz |
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[e200b7a] | 423 | wdummy=0. |
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| 424 | jy=ny-2 |
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| 425 | do ix=0,nxmin1 |
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| 426 | wdummy=wdummy+ww(ix,jy,iz,n) |
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| 427 | end do |
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| 428 | wdummy=wdummy/real(nx) |
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| 429 | jy=nymin1 |
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| 430 | do ix=0,nxmin1 |
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| 431 | ww(ix,jy,iz,n)=wdummy |
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| 432 | end do |
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[8a65cb0] | 433 | end do |
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[e200b7a] | 434 | |
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| 435 | endif |
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| 436 | |
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| 437 | |
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[8a65cb0] | 438 | ! If south pole is in the domain, calculate wind velocities in polar |
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| 439 | ! stereographic coordinates |
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| 440 | !******************************************************************* |
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[e200b7a] | 441 | |
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| 442 | if (sglobal) then |
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| 443 | do jy=0,int(switchsouthg)+3 |
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| 444 | ylat=ylat0+real(jy)*dy |
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| 445 | do ix=0,nxmin1 |
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| 446 | xlon=xlon0+real(ix)*dx |
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| 447 | do iz=1,nz |
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| 448 | call cc2gll(southpolemap,ylat,xlon,uu(ix,jy,iz,n), & |
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[8a65cb0] | 449 | vv(ix,jy,iz,n),uupol(ix,jy,iz,n),vvpol(ix,jy,iz,n)) |
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[e200b7a] | 450 | end do |
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| 451 | end do |
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| 452 | end do |
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| 453 | |
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| 454 | do iz=1,nz |
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| 455 | |
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[8a65cb0] | 456 | ! CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
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| 457 | ! |
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| 458 | ! AMSnauffer Nov 18 2004 Added check for case vv=0 |
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| 459 | ! |
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[e200b7a] | 460 | xlon=xlon0+real(nx/2-1)*dx |
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| 461 | xlonr=xlon*pi/180. |
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[4fbe7a5] | 462 | ffpol=sqrt(uu(nx/2-1,0,iz,n)**2+vv(nx/2-1,0,iz,n)**2) |
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[e200b7a] | 463 | if (vv(nx/2-1,0,iz,n).lt.0.) then |
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[4fbe7a5] | 464 | ddpol=atan(uu(nx/2-1,0,iz,n)/vv(nx/2-1,0,iz,n))+xlonr |
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[e200b7a] | 465 | else if (vv(nx/2-1,0,iz,n).gt.0.) then |
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[4fbe7a5] | 466 | ddpol=pi+atan(uu(nx/2-1,0,iz,n)/vv(nx/2-1,0,iz,n))+xlonr |
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[e200b7a] | 467 | else |
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| 468 | ddpol=pi/2-xlonr |
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| 469 | endif |
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| 470 | if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
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| 471 | if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
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| 472 | |
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[8a65cb0] | 473 | ! CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
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[e200b7a] | 474 | xlon=180.0 |
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| 475 | xlonr=xlon*pi/180. |
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| 476 | ylat=-90.0 |
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| 477 | uuaux=+ffpol*sin(xlonr-ddpol) |
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| 478 | vvaux=-ffpol*cos(xlonr-ddpol) |
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[4fbe7a5] | 479 | call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux,vvpolaux) |
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[e200b7a] | 480 | |
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| 481 | jy=0 |
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| 482 | do ix=0,nxmin1 |
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| 483 | uupol(ix,jy,iz,n)=uupolaux |
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| 484 | vvpol(ix,jy,iz,n)=vvpolaux |
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| 485 | end do |
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| 486 | end do |
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| 487 | |
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| 488 | |
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[8a65cb0] | 489 | ! Fix: Set W at pole to the zonally averaged W of the next equator- |
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| 490 | ! ward parallel of latitude |
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[e200b7a] | 491 | |
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| 492 | do iz=1,nz |
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| 493 | wdummy=0. |
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| 494 | jy=1 |
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| 495 | do ix=0,nxmin1 |
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| 496 | wdummy=wdummy+ww(ix,jy,iz,n) |
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| 497 | end do |
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| 498 | wdummy=wdummy/real(nx) |
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| 499 | jy=0 |
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| 500 | do ix=0,nxmin1 |
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| 501 | ww(ix,jy,iz,n)=wdummy |
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| 502 | end do |
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| 503 | end do |
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| 504 | endif |
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| 505 | |
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| 506 | |
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[8a65cb0] | 507 | !write (*,*) 'initializing clouds, n:',n,nymin1,nxmin1,nz |
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| 508 | ! create a cloud and rainout/washout field, clouds occur where rh>80% |
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| 509 | ! total cloudheight is stored at level 0 |
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| 510 | |
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| 511 | if (readclouds) write(*,*) 'using cloud water from ECMWF' |
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| 512 | if (.not.readclouds) write(*,*) 'using cloud water from parameterization' |
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| 513 | |
---|
| 514 | rcw(:,:)=0 |
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| 515 | rpc(:,:)=0 |
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| 516 | |
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[e200b7a] | 517 | do jy=0,nymin1 |
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| 518 | do ix=0,nxmin1 |
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[8a65cb0] | 519 | ! OLD METHOD |
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[4fbe7a5] | 520 | rain_cloud_above=0 |
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| 521 | lsp=lsprec(ix,jy,1,n) |
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| 522 | convp=convprec(ix,jy,1,n) |
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| 523 | cloudsh(ix,jy,n)=0 |
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| 524 | do kz_inv=1,nz-1 |
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[8a65cb0] | 525 | kz=nz-kz_inv+1 |
---|
| 526 | pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
---|
| 527 | rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
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| 528 | clouds(ix,jy,kz,n)=0 |
---|
| 529 | if (rh.gt.0.8) then ! in cloud |
---|
| 530 | if ((lsp.gt.0.01).or.(convp.gt.0.01)) then ! cloud and precipitation |
---|
| 531 | rain_cloud_above=1 |
---|
| 532 | cloudsh(ix,jy,n)=cloudsh(ix,jy,n)+ & |
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| 533 | height(kz)-height(kz-1) |
---|
| 534 | if (lsp.ge.convp) then |
---|
| 535 | clouds(ix,jy,kz,n)=3 ! lsp dominated rainout |
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| 536 | else |
---|
| 537 | clouds(ix,jy,kz,n)=2 ! convp dominated rainout |
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[e200b7a] | 538 | endif |
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[8a65cb0] | 539 | else ! no precipitation |
---|
| 540 | clouds(ix,jy,kz,n)=1 ! cloud |
---|
| 541 | endif |
---|
| 542 | else ! no cloud |
---|
| 543 | if (rain_cloud_above.eq.1) then ! scavenging |
---|
| 544 | if (lsp.ge.convp) then |
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| 545 | clouds(ix,jy,kz,n)=5 ! lsp dominated washout |
---|
| 546 | else |
---|
| 547 | clouds(ix,jy,kz,n)=4 ! convp dominated washout |
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[e200b7a] | 548 | endif |
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[8a65cb0] | 549 | endif |
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| 550 | endif |
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[4fbe7a5] | 551 | end do |
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[8a65cb0] | 552 | !END OLD METHOD |
---|
| 553 | |
---|
| 554 | ! PS 2012 |
---|
| 555 | ! lsp=lsprec(ix,jy,1,n) |
---|
| 556 | ! convp=convprec(ix,jy,1,n) |
---|
| 557 | ! prec=lsp+convp |
---|
| 558 | ! if (lsp.gt.convp) then ! prectype='lsp' |
---|
| 559 | ! lconvectprec = .false. |
---|
| 560 | ! else ! prectype='cp ' |
---|
| 561 | ! lconvectprec = .true. |
---|
| 562 | ! endif |
---|
| 563 | !HG METHOD |
---|
| 564 | !readclouds =.true. |
---|
| 565 | ! if (readclouds) then |
---|
| 566 | !hg added APR 2014 Cloud Water=clwc(ix,jy,kz,n) Cloud Ice=ciwc(ix,jy,kz,n) |
---|
| 567 | !hg Use the cloud water variables to determine existence of clouds. This makes the PS code obsolete |
---|
| 568 | ! cloud_min=99999 |
---|
| 569 | ! cloud_max=-1 |
---|
| 570 | ! cloud_col_wat=0 |
---|
| 571 | |
---|
| 572 | ! do kz=1, nz |
---|
| 573 | ! !clw & ciw are given in kg/kg |
---|
| 574 | ! cloud_water=clwc(ix,jy,kz,n)+ciwc(ix,jy,kz,n) |
---|
| 575 | ! if (cloud_water .gt. 0) then |
---|
| 576 | ! cloud_min=min(nint(height(kz)),cloud_min) !hg needs reset each grid |
---|
| 577 | ! cloud_max=max(nint(height(kz)),cloud_max) !hg needs reset each grid |
---|
| 578 | ! cloud_col_wat=cloud_col_wat+cloud_water !hg needs reset each grid |
---|
| 579 | ! endif |
---|
| 580 | ! cloud_ver=max(0,cloud_max-cloud_min) |
---|
| 581 | |
---|
| 582 | ! if (clwc(ix,jy,kz,n).gt.0 .or. ciwc(ix,jy,kz,n).gt.0) & |
---|
| 583 | ! !write(*,*) 'WATER',clwc(ix,jy,kz,n), 'ICE',ciwc(ix,jy,kz,n),'RH',rh,'KZ',kz & |
---|
| 584 | ! write(*,*) 'WATER',cloud_water,'RH',rh,'PREC',prec,'HEIGHT',height(kz) & |
---|
| 585 | ! enddo |
---|
| 586 | ! if ( cloud_min .ne. 99999 .and. cloud_max .ne. -1) write(*,*) 'CB', cloud_min, ' CT',cloud_max |
---|
| 587 | ! if (prec .gt. 0) write(*,*) 'PREC',prec,'Cloud Bot',cloud_min,'Cloud Top',cloud_max, 'Cloud Vert. ext',cloud_ver & |
---|
| 588 | ! ,'COLUMN cloud water',cloud_col_wat,'Conevctive' ,lconvectprec |
---|
| 589 | ! icloudbot(ix,jy,n)=cloud_min |
---|
| 590 | ! icloudthck(ix,jy,n)=cloud_ver |
---|
| 591 | ! rcw(ix,jy)=cloud_col_wat |
---|
| 592 | ! rpc(ix,jy)=prec |
---|
| 593 | !write(*,*) 'Using clouds from ECMWF' !hg END Henrik Code |
---|
| 594 | !END HG METHOD |
---|
| 595 | |
---|
| 596 | |
---|
| 597 | |
---|
| 598 | ! else ! windfields does not contain cloud data |
---|
| 599 | ! rhmin = 0.90 ! standard condition for presence of clouds |
---|
| 600 | !PS note that original by Sabine Eckhart was 80% |
---|
| 601 | !PS however, for T<-20 C we consider saturation over ice |
---|
| 602 | !PS so I think 90% should be enough |
---|
| 603 | ! icloudbot(ix,jy,n)=icmv |
---|
| 604 | ! icloudtop=icmv ! this is just a local variable |
---|
| 605 | !98 do kz=1,nz |
---|
| 606 | ! pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
---|
| 607 | ! rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
---|
| 608 | !ps if (prec.gt.0.01) print*,'relhum',prec,kz,rh,height(kz) |
---|
| 609 | ! if (rh .gt. rhmin) then |
---|
| 610 | ! if (icloudbot(ix,jy,n) .eq. icmv) then |
---|
| 611 | ! icloudbot(ix,jy,n)=nint(height(kz)) |
---|
| 612 | ! endif |
---|
| 613 | ! icloudtop=nint(height(kz)) ! use int to save memory |
---|
| 614 | ! endif |
---|
| 615 | ! enddo |
---|
| 616 | !PS try to get a cloud thicker than 50 m |
---|
| 617 | !PS if there is at least .01 mm/h - changed to 0.002 and put into |
---|
| 618 | !PS parameter precpmin |
---|
| 619 | ! if ((icloudbot(ix,jy,n) .eq. icmv .or. & |
---|
| 620 | ! icloudtop-icloudbot(ix,jy,n) .lt. 50) .and. & |
---|
| 621 | ! prec .gt. precmin) then |
---|
| 622 | ! rhmin = rhmin - 0.05 |
---|
| 623 | ! if (rhmin .ge. 0.30) goto 98 ! give up for <= 25% rel.hum. |
---|
| 624 | ! endif |
---|
| 625 | |
---|
| 626 | !PS is based on looking at a limited set of comparison data |
---|
| 627 | ! if (lconvectprec .and. icloudtop .lt. 6000 .and. & |
---|
| 628 | ! prec .gt. precmin) then |
---|
| 629 | ! |
---|
| 630 | ! if (convp .lt. 0.1) then |
---|
| 631 | ! icloudbot(ix,jy,n) = 500 |
---|
| 632 | ! icloudtop = 8000 |
---|
| 633 | ! else |
---|
| 634 | ! icloudbot(ix,jy,n) = 0 |
---|
| 635 | ! icloudtop = 10000 |
---|
| 636 | ! endif |
---|
| 637 | ! endif |
---|
| 638 | ! if (icloudtop .ne. icmv) then |
---|
| 639 | ! icloudthck(ix,jy,n) = icloudtop-icloudbot(ix,jy,n) |
---|
| 640 | ! else |
---|
| 641 | ! icloudthck(ix,jy,n) = icmv |
---|
| 642 | ! endif |
---|
| 643 | !PS get rid of too thin clouds |
---|
| 644 | ! if (icloudthck(ix,jy,n) .lt. 50) then |
---|
| 645 | ! icloudbot(ix,jy,n)=icmv |
---|
| 646 | ! icloudthck(ix,jy,n)=icmv |
---|
| 647 | ! endif |
---|
| 648 | !hg__________________________________ |
---|
| 649 | ! rcw(ix,jy)=2E-7*prec**0.36 |
---|
| 650 | ! rpc(ix,jy)=prec |
---|
| 651 | !hg end______________________________ |
---|
| 652 | |
---|
| 653 | ! endif !hg read clouds |
---|
| 654 | |
---|
[e200b7a] | 655 | end do |
---|
| 656 | end do |
---|
| 657 | |
---|
| 658 | end subroutine verttransform |
---|