| 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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| 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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| 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 | ! eso TODO: |
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| 70 | ! only used for timing of CPU measurement. Remove this (and calls to mpif_mtime below) |
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| 71 | ! as this routine should not be dependent on MPI |
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| 72 | ! use mpi_mod |
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| 73 | ! :TODO |
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| 74 | |
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| 75 | implicit none |
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| 76 | |
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| 77 | integer :: ix,jy,kz,iz,n,kmin,kl,klp,ix1,jy1,ixp,jyp,ixm,jym |
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| 78 | integer :: rain_cloud_above(0:nxmax-1,0:nymax-1),kz_inv,idx(0:nxmax-1,0:nymax-1) |
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| 79 | real :: f_qvsat,pressure,cosf(0:nymax-1) |
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| 80 | real :: rh,lsp,convp,tim,tim2,rhmin,precmin,prec |
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| 81 | real :: uvzlev(0:nxmax-1,0:nymax-1,nuvzmax),rhoh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 82 | real :: pinmconv(0:nxmax-1,0:nymax-1,nzmax) |
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| 83 | real :: ew,pint(0:nxmax-1,0:nymax-1),tv(0:nxmax-1,0:nymax-1) |
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| 84 | real :: tvold(0:nxmax-1,0:nymax-1),pold(0:nxmax-1,0:nymax-1),dz1,dz2,dz,ui,vi |
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| 85 | real :: xlon,ylat,xlonr,dzdx,dzdy |
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| 86 | real :: dzdx1,dzdx2,dzdy1,dzdy2 |
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| 87 | real :: uuaux,vvaux,uupolaux,vvpolaux,ddpol,ffpol,wdummy |
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| 88 | real :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 89 | real :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 90 | real :: pvh(0:nxmax-1,0:nymax-1,nuvzmax) |
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| 91 | real :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
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| 92 | real :: wzlev(0:nxmax-1,0:nymax-1,nwzmax) |
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| 93 | real,parameter :: const=r_air/ga |
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| 94 | ! integer:: ihr, imin, isec, i100th,ihr2, imin2, isec2, i100th2 |
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| 95 | parameter (precmin = 0.002) ! minimum prec in mm/h for cloud diagnostics |
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| 96 | |
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| 97 | logical :: init = .true. |
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| 98 | |
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| 99 | !hg |
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| 100 | integer :: cloud_ver,cloud_min, cloud_max |
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| 101 | real :: cloud_col_wat, cloud_water |
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| 102 | !hg temporary variables for testing |
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| 103 | real :: rcw(0:nxmax-1,0:nymax-1) |
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| 104 | real :: rpc(0:nxmax-1,0:nymax-1) |
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| 105 | !hg |
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| 106 | |
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| 107 | !************************************************************************* |
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| 108 | ! If verttransform is called the first time, initialize heights of the * |
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| 109 | ! z levels in meter. The heights are the heights of model levels, where * |
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| 110 | ! u,v,T and qv are given, and of the interfaces, where w is given. So, * |
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| 111 | ! the vertical resolution in the z system is doubled. As reference point,* |
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| 112 | ! the lower left corner of the grid is used. * |
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| 113 | ! Unlike in the eta system, no difference between heights for u,v and * |
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| 114 | ! heights for w exists. * |
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| 115 | !************************************************************************* |
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| 116 | |
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| 117 | |
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| 118 | !eso measure CPU time |
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| 119 | ! call mpif_mtime('verttransform',0) |
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| 120 | |
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| 121 | if (init) then |
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| 122 | |
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| 123 | ! Search for a point with high surface pressure (i.e. not above significant topography) |
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| 124 | ! Then, use this point to construct a reference z profile, to be used at all times |
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| 125 | !***************************************************************************** |
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| 126 | |
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| 127 | do jy=0,nymin1 |
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| 128 | do ix=0,nxmin1 |
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| 129 | if (ps(ix,jy,1,n).gt.100000.) then |
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| 130 | ixm=ix |
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| 131 | jym=jy |
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| 132 | goto 3 |
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| 133 | endif |
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| 134 | end do |
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| 135 | end do |
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| 136 | 3 continue |
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| 137 | |
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| 138 | |
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| 139 | tvold(ixm,jym)=tt2(ixm,jym,1,n)*(1.+0.378*ew(td2(ixm,jym,1,n))/ & |
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| 140 | ps(ixm,jym,1,n)) |
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| 141 | pold(ixm,jym)=ps(ixm,jym,1,n) |
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| 142 | height(1)=0. |
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| 143 | |
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| 144 | do kz=2,nuvz |
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| 145 | pint=akz(kz)+bkz(kz)*ps(ixm,jym,1,n) |
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| 146 | tv=tth(ixm,jym,kz,n)*(1.+0.608*qvh(ixm,jym,kz,n)) |
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| 147 | |
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| 148 | if (abs(tv(ixm,jym)-tvold(ixm,jym)).gt.0.2) then |
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| 149 | height(kz)= & |
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| 150 | height(kz-1)+const*log(pold(ixm,jym)/pint(ixm,jym))* & |
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| 151 | (tv(ixm,jym)-tvold(ixm,jym))/log(tv(ixm,jym)/tvold(ixm,jym)) |
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| 152 | else |
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| 153 | height(kz)=height(kz-1)+ & |
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| 154 | const*log(pold(ixm,jym)/pint(ixm,jym))*tv(ixm,jym) |
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| 155 | endif |
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| 156 | |
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| 157 | tvold(ixm,jym)=tv(ixm,jym) |
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| 158 | pold(ixm,jym)=pint(ixm,jym) |
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| 159 | end do |
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| 160 | |
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| 161 | |
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| 162 | ! Determine highest levels that can be within PBL |
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| 163 | !************************************************ |
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| 164 | |
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| 165 | do kz=1,nz |
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| 166 | if (height(kz).gt.hmixmax) then |
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| 167 | nmixz=kz |
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| 168 | goto 9 |
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| 169 | endif |
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| 170 | end do |
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| 171 | 9 continue |
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| 172 | |
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| 173 | ! Do not repeat initialization of the Cartesian z grid |
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| 174 | !***************************************************** |
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| 175 | |
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| 176 | init=.false. |
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| 177 | |
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| 178 | endif |
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| 179 | |
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| 180 | |
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| 181 | ! Loop over the whole grid |
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| 182 | !************************* |
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| 183 | |
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| 184 | |
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| 185 | do jy=0,nymin1 |
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| 186 | do ix=0,nxmin1 |
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| 187 | tvold(ix,jy)=tt2(ix,jy,1,n)*(1.+0.378*ew(td2(ix,jy,1,n))/ & |
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| 188 | ps(ix,jy,1,n)) |
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| 189 | enddo |
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| 190 | enddo |
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| 191 | pold=ps(:,:,1,n) |
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| 192 | uvzlev(:,:,1)=0. |
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| 193 | wzlev(:,:,1)=0. |
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| 194 | rhoh(:,:,1)=pold/(r_air*tvold) |
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| 195 | |
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| 196 | |
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| 197 | ! Compute heights of eta levels |
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| 198 | !****************************** |
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| 199 | |
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| 200 | do kz=2,nuvz |
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| 201 | pint=akz(kz)+bkz(kz)*ps(:,:,1,n) |
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| 202 | tv=tth(:,:,kz,n)*(1.+0.608*qvh(:,:,kz,n)) |
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| 203 | rhoh(:,:,kz)=pint(:,:)/(r_air*tv) |
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| 204 | |
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| 205 | where (abs(tv-tvold).gt.0.2) |
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| 206 | uvzlev(:,:,kz)=uvzlev(:,:,kz-1)+const*log(pold/pint)* & |
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| 207 | (tv-tvold)/log(tv/tvold) |
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| 208 | elsewhere |
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| 209 | uvzlev(:,:,kz)=uvzlev(:,:,kz-1)+const*log(pold/pint)*tv |
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| 210 | endwhere |
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| 211 | |
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| 212 | tvold=tv |
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| 213 | pold=pint |
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| 214 | end do |
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| 215 | |
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| 216 | |
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| 217 | do kz=2,nwz-1 |
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| 218 | wzlev(:,:,kz)=(uvzlev(:,:,kz+1)+uvzlev(:,:,kz))/2. |
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| 219 | end do |
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| 220 | wzlev(:,:,nwz)=wzlev(:,:,nwz-1)+ & |
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| 221 | uvzlev(:,:,nuvz)-uvzlev(:,:,nuvz-1) |
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| 222 | |
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| 223 | ! pinmconv=(h2-h1)/(p2-p1) |
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| 224 | |
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| 225 | pinmconv(:,:,1)=(uvzlev(:,:,2))/ & |
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| 226 | ((aknew(2)+bknew(2)*ps(:,:,1,n))- & |
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| 227 | (aknew(1)+bknew(1)*ps(:,:,1,n))) |
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| 228 | do kz=2,nz-1 |
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| 229 | pinmconv(:,:,kz)=(uvzlev(:,:,kz+1)-uvzlev(:,:,kz-1))/ & |
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| 230 | ((aknew(kz+1)+bknew(kz+1)*ps(:,:,1,n))- & |
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| 231 | (aknew(kz-1)+bknew(kz-1)*ps(:,:,1,n))) |
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| 232 | end do |
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| 233 | pinmconv(:,:,nz)=(uvzlev(:,:,nz)-uvzlev(:,:,nz-1))/ & |
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| 234 | ((aknew(nz)+bknew(nz)*ps(:,:,1,n))- & |
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| 235 | (aknew(nz-1)+bknew(nz-1)*ps(:,:,1,n))) |
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| 236 | |
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| 237 | ! Levels, where u,v,t and q are given |
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| 238 | !************************************ |
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| 239 | |
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| 240 | |
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| 241 | uu(:,:,1,n)=uuh(:,:,1) |
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| 242 | vv(:,:,1,n)=vvh(:,:,1) |
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| 243 | tt(:,:,1,n)=tth(:,:,1,n) |
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| 244 | qv(:,:,1,n)=qvh(:,:,1,n) |
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| 245 | !hg adding the cloud water |
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| 246 | clwc(:,:,1,n)=clwch(:,:,1,n) |
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| 247 | ciwc(:,:,1,n)=ciwch(:,:,1,n) |
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| 248 | !hg |
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| 249 | pv(:,:,1,n)=pvh(:,:,1) |
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| 250 | rho(:,:,1,n)=rhoh(:,:,1) |
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| 251 | uu(:,:,nz,n)=uuh(:,:,nuvz) |
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| 252 | vv(:,:,nz,n)=vvh(:,:,nuvz) |
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| 253 | tt(:,:,nz,n)=tth(:,:,nuvz,n) |
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| 254 | qv(:,:,nz,n)=qvh(:,:,nuvz,n) |
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| 255 | |
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| 256 | !hg adding the cloud water |
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| 257 | clwc(:,:,nz,n)=clwch(:,:,nuvz,n) |
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| 258 | ciwc(:,:,nz,n)=ciwch(:,:,nuvz,n) |
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| 259 | !hg |
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| 260 | pv(:,:,nz,n)=pvh(:,:,nuvz) |
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| 261 | rho(:,:,nz,n)=rhoh(:,:,nuvz) |
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| 262 | |
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| 263 | |
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| 264 | kmin=2 |
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| 265 | idx=kmin |
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| 266 | do iz=2,nz-1 |
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| 267 | do jy=0,nymin1 |
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| 268 | do ix=0,nxmin1 |
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| 269 | if(height(iz).gt.uvzlev(ix,jy,nuvz)) then |
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| 270 | uu(ix,jy,iz,n)=uu(ix,jy,nz,n) |
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| 271 | vv(ix,jy,iz,n)=vv(ix,jy,nz,n) |
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| 272 | tt(ix,jy,iz,n)=tt(ix,jy,nz,n) |
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| 273 | qv(ix,jy,iz,n)=qv(ix,jy,nz,n) |
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| 274 | !hg adding the cloud water |
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| 275 | clwc(ix,jy,iz,n)=clwc(ix,jy,nz,n) |
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| 276 | ciwc(ix,jy,iz,n)=ciwc(ix,jy,nz,n) |
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| 277 | !hg |
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| 278 | pv(ix,jy,iz,n)=pv(ix,jy,nz,n) |
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| 279 | rho(ix,jy,iz,n)=rho(ix,jy,nz,n) |
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| 280 | else |
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| 281 | innuvz: do kz=idx(ix,jy),nuvz |
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| 282 | if (idx(ix,jy) .le. kz .and. (height(iz).gt.uvzlev(ix,jy,kz-1)).and. & |
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| 283 | (height(iz).le.uvzlev(ix,jy,kz))) then |
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| 284 | idx(ix,jy)=kz |
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| 285 | exit innuvz |
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| 286 | endif |
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| 287 | enddo innuvz |
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| 288 | endif |
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| 289 | enddo |
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| 290 | enddo |
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| 291 | do jy=0,nymin1 |
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| 292 | do ix=0,nxmin1 |
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| 293 | if(height(iz).le.uvzlev(ix,jy,nuvz)) then |
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| 294 | kz=idx(ix,jy) |
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| 295 | dz1=height(iz)-uvzlev(ix,jy,kz-1) |
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| 296 | dz2=uvzlev(ix,jy,kz)-height(iz) |
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| 297 | dz=dz1+dz2 |
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| 298 | uu(ix,jy,iz,n)=(uuh(ix,jy,kz-1)*dz2+uuh(ix,jy,kz)*dz1)/dz |
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| 299 | vv(ix,jy,iz,n)=(vvh(ix,jy,kz-1)*dz2+vvh(ix,jy,kz)*dz1)/dz |
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| 300 | tt(ix,jy,iz,n)=(tth(ix,jy,kz-1,n)*dz2 & |
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| 301 | +tth(ix,jy,kz,n)*dz1)/dz |
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| 302 | qv(ix,jy,iz,n)=(qvh(ix,jy,kz-1,n)*dz2 & |
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| 303 | +qvh(ix,jy,kz,n)*dz1)/dz |
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| 304 | !hg adding the cloud water |
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| 305 | clwc(ix,jy,iz,n)=(clwch(ix,jy,kz-1,n)*dz2+clwch(ix,jy,kz,n)*dz1)/dz |
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| 306 | ciwc(ix,jy,iz,n)=(ciwch(ix,jy,kz-1,n)*dz2+ciwch(ix,jy,kz,n)*dz1)/dz |
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| 307 | !hg |
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| 308 | pv(ix,jy,iz,n)=(pvh(ix,jy,kz-1)*dz2+pvh(ix,jy,kz)*dz1)/dz |
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| 309 | rho(ix,jy,iz,n)=(rhoh(ix,jy,kz-1)*dz2+rhoh(ix,jy,kz)*dz1)/dz |
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| 310 | endif |
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| 311 | enddo |
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| 312 | enddo |
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| 313 | enddo |
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| 314 | |
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| 315 | |
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| 316 | ! Levels, where w is given |
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| 317 | !************************* |
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| 318 | |
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| 319 | ww(:,:,1,n)=wwh(:,:,1)*pinmconv(:,:,1) |
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| 320 | ww(:,:,nz,n)=wwh(:,:,nwz)*pinmconv(:,:,nz) |
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| 321 | kmin=2 |
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| 322 | idx=kmin |
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| 323 | do iz=2,nz |
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| 324 | do jy=0,nymin1 |
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| 325 | do ix=0,nxmin1 |
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| 326 | inn: do kz=idx(ix,jy),nwz |
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| 327 | if(idx(ix,jy) .le. kz .and. height(iz).gt.wzlev(ix,jy,kz-1).and. & |
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| 328 | height(iz).le.wzlev(ix,jy,kz)) then |
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| 329 | idx(ix,jy)=kz |
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| 330 | exit inn |
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| 331 | endif |
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| 332 | enddo inn |
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| 333 | enddo |
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| 334 | enddo |
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| 335 | do jy=0,nymin1 |
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| 336 | do ix=0,nxmin1 |
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| 337 | kz=idx(ix,jy) |
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| 338 | dz1=height(iz)-wzlev(ix,jy,kz-1) |
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| 339 | dz2=wzlev(ix,jy,kz)-height(iz) |
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| 340 | dz=dz1+dz2 |
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| 341 | ww(ix,jy,iz,n)=(wwh(ix,jy,kz-1)*pinmconv(ix,jy,kz-1)*dz2 & |
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| 342 | +wwh(ix,jy,kz)*pinmconv(ix,jy,kz)*dz1)/dz |
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| 343 | enddo |
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| 344 | enddo |
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| 345 | enddo |
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| 346 | |
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| 347 | ! Compute density gradients at intermediate levels |
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| 348 | !************************************************* |
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| 349 | |
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| 350 | drhodz(:,:,1,n)=(rho(:,:,2,n)-rho(:,:,1,n))/ & |
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| 351 | (height(2)-height(1)) |
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| 352 | do kz=2,nz-1 |
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| 353 | drhodz(:,:,kz,n)=(rho(:,:,kz+1,n)-rho(:,:,kz-1,n))/ & |
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| 354 | (height(kz+1)-height(kz-1)) |
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| 355 | end do |
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| 356 | drhodz(:,:,nz,n)=drhodz(:,:,nz-1,n) |
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| 357 | |
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| 358 | ! end do |
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| 359 | ! end do |
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| 360 | |
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| 361 | |
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| 362 | !**************************************************************** |
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| 363 | ! Compute slope of eta levels in windward direction and resulting |
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| 364 | ! vertical wind correction |
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| 365 | !**************************************************************** |
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| 366 | |
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| 367 | do jy=1,ny-2 |
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| 368 | cosf(jy)=1./cos((real(jy)*dy+ylat0)*pi180) |
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| 369 | enddo |
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| 370 | |
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| 371 | kmin=2 |
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| 372 | idx=kmin |
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| 373 | do iz=2,nz-1 |
|---|
| 374 | do jy=1,ny-2 |
|---|
| 375 | do ix=1,nx-2 |
|---|
| 376 | |
|---|
| 377 | inneta: do kz=idx(ix,jy),nz |
|---|
| 378 | if (idx(ix,jy) .le. kz .and. (height(iz).gt.uvzlev(ix,jy,kz-1)).and. & |
|---|
| 379 | (height(iz).le.uvzlev(ix,jy,kz))) then |
|---|
| 380 | idx(ix,jy)=kz |
|---|
| 381 | exit inneta |
|---|
| 382 | endif |
|---|
| 383 | enddo inneta |
|---|
| 384 | enddo |
|---|
| 385 | enddo |
|---|
| 386 | |
|---|
| 387 | do jy=1,ny-2 |
|---|
| 388 | do ix=1,nx-2 |
|---|
| 389 | kz=idx(ix,jy) |
|---|
| 390 | dz1=height(iz)-uvzlev(ix,jy,kz-1) |
|---|
| 391 | dz2=uvzlev(ix,jy,kz)-height(iz) |
|---|
| 392 | dz=dz1+dz2 |
|---|
| 393 | ix1=ix-1 |
|---|
| 394 | jy1=jy-1 |
|---|
| 395 | ixp=ix+1 |
|---|
| 396 | jyp=jy+1 |
|---|
| 397 | |
|---|
| 398 | dzdx1=(uvzlev(ixp,jy,kz-1)-uvzlev(ix1,jy,kz-1))/2. |
|---|
| 399 | dzdx2=(uvzlev(ixp,jy,kz)-uvzlev(ix1,jy,kz))/2. |
|---|
| 400 | dzdx=(dzdx1*dz2+dzdx2*dz1)/dz |
|---|
| 401 | |
|---|
| 402 | dzdy1=(uvzlev(ix,jyp,kz-1)-uvzlev(ix,jy1,kz-1))/2. |
|---|
| 403 | dzdy2=(uvzlev(ix,jyp,kz)-uvzlev(ix,jy1,kz))/2. |
|---|
| 404 | dzdy=(dzdy1*dz2+dzdy2*dz1)/dz |
|---|
| 405 | |
|---|
| 406 | ww(ix,jy,iz,n)=ww(ix,jy,iz,n)+(dzdx*uu(ix,jy,iz,n)*dxconst*cosf(jy)+dzdy*vv(ix,jy,iz,n)*dyconst) |
|---|
| 407 | |
|---|
| 408 | end do |
|---|
| 409 | |
|---|
| 410 | end do |
|---|
| 411 | end do |
|---|
| 412 | |
|---|
| 413 | ! If north pole is in the domain, calculate wind velocities in polar |
|---|
| 414 | ! stereographic coordinates |
|---|
| 415 | !******************************************************************* |
|---|
| 416 | |
|---|
| 417 | if (nglobal) then |
|---|
| 418 | do iz=1,nz |
|---|
| 419 | do jy=int(switchnorthg)-2,nymin1 |
|---|
| 420 | ylat=ylat0+real(jy)*dy |
|---|
| 421 | do ix=0,nxmin1 |
|---|
| 422 | xlon=xlon0+real(ix)*dx |
|---|
| 423 | call cc2gll(northpolemap,ylat,xlon,uu(ix,jy,iz,n), & |
|---|
| 424 | vv(ix,jy,iz,n),uupol(ix,jy,iz,n), & |
|---|
| 425 | vvpol(ix,jy,iz,n)) |
|---|
| 426 | end do |
|---|
| 427 | end do |
|---|
| 428 | end do |
|---|
| 429 | |
|---|
| 430 | |
|---|
| 431 | do iz=1,nz |
|---|
| 432 | |
|---|
| 433 | ! CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
|---|
| 434 | ! |
|---|
| 435 | ! AMSnauffer Nov 18 2004 Added check for case vv=0 |
|---|
| 436 | ! |
|---|
| 437 | xlon=xlon0+real(nx/2-1)*dx |
|---|
| 438 | xlonr=xlon*pi/180. |
|---|
| 439 | ffpol=sqrt(uu(nx/2-1,nymin1,iz,n)**2+ & |
|---|
| 440 | vv(nx/2-1,nymin1,iz,n)**2) |
|---|
| 441 | if (vv(nx/2-1,nymin1,iz,n).lt.0.) then |
|---|
| 442 | ddpol=atan(uu(nx/2-1,nymin1,iz,n)/ & |
|---|
| 443 | vv(nx/2-1,nymin1,iz,n))-xlonr |
|---|
| 444 | else if (vv(nx/2-1,nymin1,iz,n).gt.0.) then |
|---|
| 445 | ddpol=pi+atan(uu(nx/2-1,nymin1,iz,n)/ & |
|---|
| 446 | vv(nx/2-1,nymin1,iz,n))-xlonr |
|---|
| 447 | else |
|---|
| 448 | ddpol=pi/2-xlonr |
|---|
| 449 | endif |
|---|
| 450 | if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
|---|
| 451 | if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
|---|
| 452 | |
|---|
| 453 | ! CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
|---|
| 454 | xlon=180.0 |
|---|
| 455 | xlonr=xlon*pi/180. |
|---|
| 456 | ylat=90.0 |
|---|
| 457 | uuaux=-ffpol*sin(xlonr+ddpol) |
|---|
| 458 | vvaux=-ffpol*cos(xlonr+ddpol) |
|---|
| 459 | call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux, & |
|---|
| 460 | vvpolaux) |
|---|
| 461 | |
|---|
| 462 | jy=nymin1 |
|---|
| 463 | do ix=0,nxmin1 |
|---|
| 464 | uupol(ix,jy,iz,n)=uupolaux |
|---|
| 465 | vvpol(ix,jy,iz,n)=vvpolaux |
|---|
| 466 | end do |
|---|
| 467 | end do |
|---|
| 468 | |
|---|
| 469 | |
|---|
| 470 | ! Fix: Set W at pole to the zonally averaged W of the next equator- |
|---|
| 471 | ! ward parallel of latitude |
|---|
| 472 | |
|---|
| 473 | do iz=1,nz |
|---|
| 474 | wdummy=0. |
|---|
| 475 | jy=ny-2 |
|---|
| 476 | do ix=0,nxmin1 |
|---|
| 477 | wdummy=wdummy+ww(ix,jy,iz,n) |
|---|
| 478 | end do |
|---|
| 479 | wdummy=wdummy/real(nx) |
|---|
| 480 | jy=nymin1 |
|---|
| 481 | do ix=0,nxmin1 |
|---|
| 482 | ww(ix,jy,iz,n)=wdummy |
|---|
| 483 | end do |
|---|
| 484 | end do |
|---|
| 485 | |
|---|
| 486 | endif |
|---|
| 487 | |
|---|
| 488 | |
|---|
| 489 | ! If south pole is in the domain, calculate wind velocities in polar |
|---|
| 490 | ! stereographic coordinates |
|---|
| 491 | !******************************************************************* |
|---|
| 492 | |
|---|
| 493 | if (sglobal) then |
|---|
| 494 | do iz=1,nz |
|---|
| 495 | do jy=0,int(switchsouthg)+3 |
|---|
| 496 | ylat=ylat0+real(jy)*dy |
|---|
| 497 | do ix=0,nxmin1 |
|---|
| 498 | xlon=xlon0+real(ix)*dx |
|---|
| 499 | call cc2gll(southpolemap,ylat,xlon,uu(ix,jy,iz,n), & |
|---|
| 500 | vv(ix,jy,iz,n),uupol(ix,jy,iz,n), & |
|---|
| 501 | vvpol(ix,jy,iz,n)) |
|---|
| 502 | end do |
|---|
| 503 | end do |
|---|
| 504 | end do |
|---|
| 505 | |
|---|
| 506 | do iz=1,nz |
|---|
| 507 | |
|---|
| 508 | ! CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
|---|
| 509 | ! |
|---|
| 510 | ! AMSnauffer Nov 18 2004 Added check for case vv=0 |
|---|
| 511 | ! |
|---|
| 512 | xlon=xlon0+real(nx/2-1)*dx |
|---|
| 513 | xlonr=xlon*pi/180. |
|---|
| 514 | ffpol=sqrt(uu(nx/2-1,0,iz,n)**2+ & |
|---|
| 515 | vv(nx/2-1,0,iz,n)**2) |
|---|
| 516 | if (vv(nx/2-1,0,iz,n).lt.0.) then |
|---|
| 517 | ddpol=atan(uu(nx/2-1,0,iz,n)/ & |
|---|
| 518 | vv(nx/2-1,0,iz,n))+xlonr |
|---|
| 519 | else if (vv(nx/2-1,0,iz,n).gt.0.) then |
|---|
| 520 | ddpol=pi+atan(uu(nx/2-1,0,iz,n)/ & |
|---|
| 521 | vv(nx/2-1,0,iz,n))+xlonr |
|---|
| 522 | else |
|---|
| 523 | ddpol=pi/2-xlonr |
|---|
| 524 | endif |
|---|
| 525 | if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
|---|
| 526 | if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
|---|
| 527 | |
|---|
| 528 | ! CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
|---|
| 529 | xlon=180.0 |
|---|
| 530 | xlonr=xlon*pi/180. |
|---|
| 531 | ylat=-90.0 |
|---|
| 532 | uuaux=+ffpol*sin(xlonr-ddpol) |
|---|
| 533 | vvaux=-ffpol*cos(xlonr-ddpol) |
|---|
| 534 | call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux, & |
|---|
| 535 | vvpolaux) |
|---|
| 536 | |
|---|
| 537 | jy=0 |
|---|
| 538 | do ix=0,nxmin1 |
|---|
| 539 | uupol(ix,jy,iz,n)=uupolaux |
|---|
| 540 | vvpol(ix,jy,iz,n)=vvpolaux |
|---|
| 541 | end do |
|---|
| 542 | end do |
|---|
| 543 | |
|---|
| 544 | |
|---|
| 545 | ! Fix: Set W at pole to the zonally averaged W of the next equator- |
|---|
| 546 | ! ward parallel of latitude |
|---|
| 547 | |
|---|
| 548 | do iz=1,nz |
|---|
| 549 | wdummy=0. |
|---|
| 550 | jy=1 |
|---|
| 551 | do ix=0,nxmin1 |
|---|
| 552 | wdummy=wdummy+ww(ix,jy,iz,n) |
|---|
| 553 | end do |
|---|
| 554 | wdummy=wdummy/real(nx) |
|---|
| 555 | jy=0 |
|---|
| 556 | do ix=0,nxmin1 |
|---|
| 557 | ww(ix,jy,iz,n)=wdummy |
|---|
| 558 | end do |
|---|
| 559 | end do |
|---|
| 560 | endif |
|---|
| 561 | |
|---|
| 562 | |
|---|
| 563 | if (readclouds) write(*,*) 'using cloud water from ECMWF' |
|---|
| 564 | ! if (.not.readclouds) write(*,*) 'using cloud water from parameterization' |
|---|
| 565 | |
|---|
| 566 | rcw(:,:)=0 |
|---|
| 567 | rpc(:,:)=0 |
|---|
| 568 | |
|---|
| 569 | do jy=0,nymin1 |
|---|
| 570 | do ix=0,nxmin1 |
|---|
| 571 | ! OLD METHOD |
|---|
| 572 | rain_cloud_above(ix,jy)=0 |
|---|
| 573 | lsp=lsprec(ix,jy,1,n) |
|---|
| 574 | convp=convprec(ix,jy,1,n) |
|---|
| 575 | cloudsh(ix,jy,n)=0 |
|---|
| 576 | do kz_inv=1,nz-1 |
|---|
| 577 | kz=nz-kz_inv+1 |
|---|
| 578 | pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
|---|
| 579 | rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
|---|
| 580 | clouds(ix,jy,kz,n)=0 |
|---|
| 581 | if (rh.gt.0.8) then ! in cloud |
|---|
| 582 | if ((lsp.gt.0.01).or.(convp.gt.0.01)) then ! cloud and precipitation |
|---|
| 583 | rain_cloud_above(ix,jy)=1 |
|---|
| 584 | cloudsh(ix,jy,n)=cloudsh(ix,jy,n)+ & |
|---|
| 585 | height(kz)-height(kz-1) |
|---|
| 586 | if (lsp.ge.convp) then |
|---|
| 587 | clouds(ix,jy,kz,n)=3 ! lsp dominated rainout |
|---|
| 588 | else |
|---|
| 589 | clouds(ix,jy,kz,n)=2 ! convp dominated rainout |
|---|
| 590 | endif |
|---|
| 591 | else ! no precipitation |
|---|
| 592 | clouds(ix,jy,kz,n)=1 ! cloud |
|---|
| 593 | endif |
|---|
| 594 | else ! no cloud |
|---|
| 595 | if (rain_cloud_above(ix,jy).eq.1) then ! scavenging |
|---|
| 596 | if (lsp.ge.convp) then |
|---|
| 597 | clouds(ix,jy,kz,n)=5 ! lsp dominated washout |
|---|
| 598 | else |
|---|
| 599 | clouds(ix,jy,kz,n)=4 ! convp dominated washout |
|---|
| 600 | endif |
|---|
| 601 | endif |
|---|
| 602 | endif |
|---|
| 603 | end do |
|---|
| 604 | !END OLD METHOD |
|---|
| 605 | |
|---|
| 606 | ! PS 2012 |
|---|
| 607 | ! lsp=lsprec(ix,jy,1,n) |
|---|
| 608 | ! convp=convprec(ix,jy,1,n) |
|---|
| 609 | ! prec=lsp+convp |
|---|
| 610 | ! if (lsp.gt.convp) then ! prectype='lsp' |
|---|
| 611 | ! lconvectprec = .false. |
|---|
| 612 | ! else ! prectype='cp ' |
|---|
| 613 | ! lconvectprec = .true. |
|---|
| 614 | ! endif |
|---|
| 615 | !HG METHOD |
|---|
| 616 | !readclouds =.true. |
|---|
| 617 | ! if (readclouds) then |
|---|
| 618 | !hg added APR 2014 Cloud Water=clwc(ix,jy,kz,n) Cloud Ice=ciwc(ix,jy,kz,n) |
|---|
| 619 | !hg Use the cloud water variables to determine existence of clouds. This makes the PS code obsolete |
|---|
| 620 | ! cloud_min=99999 |
|---|
| 621 | ! cloud_max=-1 |
|---|
| 622 | ! cloud_col_wat=0 |
|---|
| 623 | |
|---|
| 624 | ! do kz=1, nz |
|---|
| 625 | ! !clw & ciw are given in kg/kg |
|---|
| 626 | ! cloud_water=clwc(ix,jy,kz,n)+ciwc(ix,jy,kz,n) |
|---|
| 627 | ! if (cloud_water .gt. 0) then |
|---|
| 628 | ! cloud_min=min(nint(height(kz)),cloud_min) !hg needs reset each grid |
|---|
| 629 | ! cloud_max=max(nint(height(kz)),cloud_max) !hg needs reset each grid |
|---|
| 630 | ! cloud_col_wat=cloud_col_wat+cloud_water !hg needs reset each grid |
|---|
| 631 | ! endif |
|---|
| 632 | ! cloud_ver=max(0,cloud_max-cloud_min) |
|---|
| 633 | |
|---|
| 634 | ! icloudbot(ix,jy,n)=cloud_min |
|---|
| 635 | ! icloudthck(ix,jy,n)=cloud_ver |
|---|
| 636 | ! rcw(ix,jy)=cloud_col_wat |
|---|
| 637 | ! rpc(ix,jy)=prec |
|---|
| 638 | !write(*,*) 'Using clouds from ECMWF' !hg END Henrik Code |
|---|
| 639 | !END HG METHOD |
|---|
| 640 | |
|---|
| 641 | |
|---|
| 642 | |
|---|
| 643 | ! else ! windfields does not contain cloud data |
|---|
| 644 | ! rhmin = 0.90 ! standard condition for presence of clouds |
|---|
| 645 | !PS note that original by Sabine Eckhart was 80% |
|---|
| 646 | !PS however, for T<-20 C we consider saturation over ice |
|---|
| 647 | !PS so I think 90% should be enough |
|---|
| 648 | ! icloudbot(ix,jy,n)=icmv |
|---|
| 649 | ! icloudtop=icmv ! this is just a local variable |
|---|
| 650 | !98 do kz=1,nz |
|---|
| 651 | ! pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
|---|
| 652 | ! rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
|---|
| 653 | !ps if (prec.gt.0.01) print*,'relhum',prec,kz,rh,height(kz) |
|---|
| 654 | ! if (rh .gt. rhmin) then |
|---|
| 655 | ! if (icloudbot(ix,jy,n) .eq. icmv) then |
|---|
| 656 | ! icloudbot(ix,jy,n)=nint(height(kz)) |
|---|
| 657 | ! endif |
|---|
| 658 | ! icloudtop=nint(height(kz)) ! use int to save memory |
|---|
| 659 | ! endif |
|---|
| 660 | ! end do |
|---|
| 661 | !PS try to get a cloud thicker than 50 m |
|---|
| 662 | !PS if there is at least .01 mm/h - changed to 0.002 and put into |
|---|
| 663 | !PS parameter precpmin |
|---|
| 664 | ! if ((icloudbot(ix,jy,n) .eq. icmv .or. & |
|---|
| 665 | ! icloudtop-icloudbot(ix,jy,n) .lt. 50) .and. & |
|---|
| 666 | ! prec .gt. precmin) then |
|---|
| 667 | ! rhmin = rhmin - 0.05 |
|---|
| 668 | ! if (rhmin .ge. 0.30) goto 98 ! give up for <= 25% rel.hum. |
|---|
| 669 | ! end if |
|---|
| 670 | |
|---|
| 671 | !PS is based on looking at a limited set of comparison data |
|---|
| 672 | ! if (lconvectprec .and. icloudtop .lt. 6000 .and. & |
|---|
| 673 | ! prec .gt. precmin) then |
|---|
| 674 | ! |
|---|
| 675 | ! if (convp .lt. 0.1) then |
|---|
| 676 | ! icloudbot(ix,jy,n) = 500 |
|---|
| 677 | ! icloudtop = 8000 |
|---|
| 678 | ! else |
|---|
| 679 | ! icloudbot(ix,jy,n) = 0 |
|---|
| 680 | ! icloudtop = 10000 |
|---|
| 681 | ! endif |
|---|
| 682 | ! endif |
|---|
| 683 | ! if (icloudtop .ne. icmv) then |
|---|
| 684 | ! icloudthck(ix,jy,n) = icloudtop-icloudbot(ix,jy,n) |
|---|
| 685 | ! else |
|---|
| 686 | ! icloudthck(ix,jy,n) = icmv |
|---|
| 687 | ! endif |
|---|
| 688 | !PS get rid of too thin clouds |
|---|
| 689 | ! if (icloudthck(ix,jy,n) .lt. 50) then |
|---|
| 690 | ! icloudbot(ix,jy,n)=icmv |
|---|
| 691 | ! icloudthck(ix,jy,n)=icmv |
|---|
| 692 | ! endif |
|---|
| 693 | !hg__________________________________ |
|---|
| 694 | ! rcw(ix,jy)=2E-7*prec**0.36 |
|---|
| 695 | ! rpc(ix,jy)=prec |
|---|
| 696 | !hg end______________________________ |
|---|
| 697 | |
|---|
| 698 | ! endif !hg read clouds |
|---|
| 699 | |
|---|
| 700 | end do |
|---|
| 701 | end do |
|---|
| 702 | |
|---|
| 703 | !do 102 kz=1,nuvz |
|---|
| 704 | !write(an,'(i02)') kz+10 |
|---|
| 705 | !write(*,*) nuvz,nymin1,nxmin1,'--',an,'--' |
|---|
| 706 | !open(4,file='/nilu_wrk2/sec/cloudtest/cloud'//an,form='formatted') |
|---|
| 707 | !do 101 jy=0,nymin1 |
|---|
| 708 | ! write(4,*) (clouds(ix,jy,kz,n),ix=1,nxmin1) |
|---|
| 709 | !101 continue |
|---|
| 710 | ! close(4) |
|---|
| 711 | !102 continue |
|---|
| 712 | |
|---|
| 713 | ! open(4,file='/nilu_wrk2/sec/cloudtest/height',form='formatted') |
|---|
| 714 | ! do 103 jy=0,nymin1 |
|---|
| 715 | ! write (4,*) |
|---|
| 716 | !+ (height(kz),kz=1,nuvz) |
|---|
| 717 | !103 continue |
|---|
| 718 | ! close(4) |
|---|
| 719 | |
|---|
| 720 | !open(4,file='/nilu_wrk2/sec/cloudtest/p',form='formatted') |
|---|
| 721 | ! do 104 jy=0,nymin1 |
|---|
| 722 | ! write (4,*) |
|---|
| 723 | !+ (r_air*tt(ix,jy,1,n)*rho(ix,jy,1,n),ix=1,nxmin1) |
|---|
| 724 | !104 continue |
|---|
| 725 | ! close(4) |
|---|
| 726 | |
|---|
| 727 | !eso measure CPU time |
|---|
| 728 | ! call mpif_mtime('verttransform',1) |
|---|
| 729 | |
|---|
| 730 | !eso print out the same measure as in Leo's routine |
|---|
| 731 | ! write(*,*) 'verttransform: ', & |
|---|
| 732 | ! sum(tt(:,:,:,n)*tt(:,:,:,n)), & |
|---|
| 733 | ! sum(uu(:,:,:,n)*uu(:,:,:,n)),sum(vv(:,:,:,n)*vv(:,:,:,n)),& |
|---|
| 734 | ! sum(qv(:,:,:,n)*qv(:,:,:,n)),sum(pv(:,:,:,n)*pv(:,:,:,n)),& |
|---|
| 735 | ! sum(rho(:,:,:,n)*rho(:,:,:,n)),sum(drhodz(:,:,:,n)*drhodz(:,:,:,n)),& |
|---|
| 736 | ! sum(ww(:,:,:,n)*ww(:,:,:,n)), & |
|---|
| 737 | ! sum(clouds(:,:,:,n)), sum(cloudsh(:,:,n)),sum(idx),sum(pinmconv) |
|---|
| 738 | end subroutine verttransform |
|---|
| 739 | |
|---|
