[e200b7a] | 1 | !********************************************************************** |
---|
| 2 | ! Copyright 1998,1999,2000,2001,2002,2005,2007,2008,2009,2010 * |
---|
| 3 | ! Andreas Stohl, Petra Seibert, A. Frank, Gerhard Wotawa, * |
---|
| 4 | ! Caroline Forster, Sabine Eckhardt, John Burkhart, Harald Sodemann * |
---|
| 5 | ! * |
---|
| 6 | ! This file is part of FLEXPART. * |
---|
| 7 | ! * |
---|
| 8 | ! FLEXPART is free software: you can redistribute it and/or modify * |
---|
| 9 | ! it under the terms of the GNU General Public License as published by* |
---|
| 10 | ! the Free Software Foundation, either version 3 of the License, or * |
---|
| 11 | ! (at your option) any later version. * |
---|
| 12 | ! * |
---|
| 13 | ! FLEXPART is distributed in the hope that it will be useful, * |
---|
| 14 | ! but WITHOUT ANY WARRANTY; without even the implied warranty of * |
---|
| 15 | ! MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
---|
| 16 | ! GNU General Public License for more details. * |
---|
| 17 | ! * |
---|
| 18 | ! You should have received a copy of the GNU General Public License * |
---|
| 19 | ! along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
---|
| 20 | !********************************************************************** |
---|
| 21 | |
---|
| 22 | subroutine verttransform(n,uuh,vvh,wwh,pvh) |
---|
[4fbe7a5] | 23 | ! i i i i i |
---|
[e200b7a] | 24 | !***************************************************************************** |
---|
| 25 | ! * |
---|
| 26 | ! This subroutine transforms temperature, dew point temperature and * |
---|
| 27 | ! wind components from eta to meter coordinates. * |
---|
| 28 | ! The vertical wind component is transformed from Pa/s to m/s using * |
---|
| 29 | ! the conversion factor pinmconv. * |
---|
| 30 | ! In addition, this routine calculates vertical density gradients * |
---|
| 31 | ! needed for the parameterization of the turbulent velocities. * |
---|
| 32 | ! * |
---|
| 33 | ! Author: A. Stohl, G. Wotawa * |
---|
| 34 | ! * |
---|
| 35 | ! 12 August 1996 * |
---|
| 36 | ! Update: 16 January 1998 * |
---|
| 37 | ! * |
---|
| 38 | ! Major update: 17 February 1999 * |
---|
| 39 | ! by G. Wotawa * |
---|
| 40 | ! CHANGE 17/11/2005 Caroline Forster, NCEP GFS version * |
---|
| 41 | ! * |
---|
| 42 | ! - Vertical levels for u, v and w are put together * |
---|
| 43 | ! - Slope correction for vertical velocity: Modification of calculation * |
---|
| 44 | ! procedure * |
---|
| 45 | ! * |
---|
| 46 | !***************************************************************************** |
---|
| 47 | ! Changes, Bernd C. Krueger, Feb. 2001: |
---|
| 48 | ! Variables tth and qvh (on eta coordinates) from common block |
---|
| 49 | !***************************************************************************** |
---|
| 50 | ! * |
---|
| 51 | ! Variables: * |
---|
| 52 | ! nx,ny,nz field dimensions in x,y and z direction * |
---|
| 53 | ! uu(0:nxmax,0:nymax,nzmax,2) wind components in x-direction [m/s] * |
---|
| 54 | ! vv(0:nxmax,0:nymax,nzmax,2) wind components in y-direction [m/s] * |
---|
| 55 | ! ww(0:nxmax,0:nymax,nzmax,2) wind components in z-direction [deltaeta/s]* |
---|
| 56 | ! tt(0:nxmax,0:nymax,nzmax,2) temperature [K] * |
---|
| 57 | ! pv(0:nxmax,0:nymax,nzmax,2) potential voriticity (pvu) * |
---|
| 58 | ! ps(0:nxmax,0:nymax,2) surface pressure [Pa] * |
---|
| 59 | ! clouds(0:nxmax,0:nymax,0:nzmax,2) cloud field for wet deposition * |
---|
| 60 | ! * |
---|
| 61 | !***************************************************************************** |
---|
| 62 | |
---|
| 63 | use par_mod |
---|
| 64 | use com_mod |
---|
| 65 | use cmapf_mod |
---|
| 66 | |
---|
| 67 | implicit none |
---|
| 68 | |
---|
| 69 | integer :: ix,jy,kz,iz,n,kmin,kl,klp,ix1,jy1,ixp,jyp,ixm,jym |
---|
| 70 | integer :: rain_cloud_above,kz_inv |
---|
| 71 | real :: f_qvsat,pressure |
---|
| 72 | real :: rh,lsp,convp |
---|
[4fbe7a5] | 73 | real :: rhoh(nuvzmax),pinmconv(nzmax) |
---|
[e200b7a] | 74 | real :: ew,pint,tv,tvold,pold,dz1,dz2,dz,ui,vi |
---|
| 75 | real :: xlon,ylat,xlonr,dzdx,dzdy |
---|
[4fbe7a5] | 76 | real :: dzdx1,dzdx2,dzdy1,dzdy2,cosf |
---|
[e200b7a] | 77 | real :: uuaux,vvaux,uupolaux,vvpolaux,ddpol,ffpol,wdummy |
---|
| 78 | real :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 79 | real :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 80 | real :: pvh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 81 | real :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
---|
| 82 | real :: wzlev(nwzmax),uvwzlev(0:nxmax-1,0:nymax-1,nzmax) |
---|
| 83 | real,parameter :: const=r_air/ga |
---|
| 84 | |
---|
| 85 | ! NCEP version |
---|
| 86 | integer :: llev, i |
---|
| 87 | |
---|
| 88 | logical :: init = .true. |
---|
| 89 | |
---|
| 90 | |
---|
| 91 | !************************************************************************* |
---|
| 92 | ! If verttransform is called the first time, initialize heights of the * |
---|
| 93 | ! z levels in meter. The heights are the heights of model levels, where * |
---|
[4fbe7a5] | 94 | ! u,v,T and qv are given. * |
---|
[e200b7a] | 95 | !************************************************************************* |
---|
| 96 | |
---|
| 97 | if (init) then |
---|
| 98 | |
---|
| 99 | ! Search for a point with high surface pressure (i.e. not above significant topography) |
---|
| 100 | ! Then, use this point to construct a reference z profile, to be used at all times |
---|
| 101 | !***************************************************************************** |
---|
| 102 | |
---|
| 103 | do jy=0,nymin1 |
---|
| 104 | do ix=0,nxmin1 |
---|
| 105 | if (ps(ix,jy,1,n).gt.100000.) then |
---|
| 106 | ixm=ix |
---|
| 107 | jym=jy |
---|
| 108 | goto 3 |
---|
| 109 | endif |
---|
| 110 | end do |
---|
| 111 | end do |
---|
| 112 | 3 continue |
---|
| 113 | |
---|
| 114 | |
---|
| 115 | tvold=tt2(ixm,jym,1,n)*(1.+0.378*ew(td2(ixm,jym,1,n))/ & |
---|
[4fbe7a5] | 116 | ps(ixm,jym,1,n)) |
---|
[e200b7a] | 117 | pold=ps(ixm,jym,1,n) |
---|
| 118 | height(1)=0. |
---|
| 119 | |
---|
| 120 | do kz=2,nuvz |
---|
| 121 | pint=akz(kz)+bkz(kz)*ps(ixm,jym,1,n) |
---|
| 122 | tv=tth(ixm,jym,kz,n)*(1.+0.608*qvh(ixm,jym,kz,n)) |
---|
| 123 | |
---|
| 124 | if (abs(tv-tvold).gt.0.2) then |
---|
[4fbe7a5] | 125 | height(kz)=height(kz-1)+const*log(pold/pint)* & |
---|
| 126 | (tv-tvold)/log(tv/tvold) |
---|
[e200b7a] | 127 | else |
---|
[4fbe7a5] | 128 | height(kz)=height(kz-1)+const*log(pold/pint)*tv |
---|
[e200b7a] | 129 | endif |
---|
| 130 | |
---|
| 131 | tvold=tv |
---|
| 132 | pold=pint |
---|
| 133 | end do |
---|
| 134 | |
---|
| 135 | |
---|
| 136 | ! Determine highest levels that can be within PBL |
---|
| 137 | !************************************************ |
---|
| 138 | |
---|
| 139 | do kz=1,nz |
---|
| 140 | if (height(kz).gt.hmixmax) then |
---|
| 141 | nmixz=kz |
---|
| 142 | goto 9 |
---|
| 143 | endif |
---|
| 144 | end do |
---|
| 145 | 9 continue |
---|
| 146 | |
---|
| 147 | ! Do not repeat initialization of the Cartesian z grid |
---|
| 148 | !***************************************************** |
---|
| 149 | |
---|
| 150 | init=.false. |
---|
| 151 | |
---|
| 152 | endif |
---|
| 153 | |
---|
| 154 | |
---|
| 155 | ! Loop over the whole grid |
---|
| 156 | !************************* |
---|
| 157 | |
---|
| 158 | do jy=0,nymin1 |
---|
| 159 | do ix=0,nxmin1 |
---|
| 160 | |
---|
| 161 | ! NCEP version: find first level above ground |
---|
| 162 | llev = 0 |
---|
| 163 | do i=1,nuvz |
---|
[4fbe7a5] | 164 | if (ps(ix,jy,1,n).lt.akz(i)) llev=i |
---|
[e200b7a] | 165 | end do |
---|
| 166 | llev = llev+1 |
---|
| 167 | if (llev.gt.nuvz-2) llev = nuvz-2 |
---|
| 168 | ! if (llev.eq.nuvz-2) write(*,*) 'verttransform |
---|
| 169 | ! +WARNING: LLEV eq NUZV-2' |
---|
| 170 | ! NCEP version |
---|
| 171 | |
---|
| 172 | |
---|
| 173 | ! compute height of pressure levels above ground |
---|
| 174 | !*********************************************** |
---|
| 175 | |
---|
| 176 | tvold=tth(ix,jy,llev,n)*(1.+0.608*qvh(ix,jy,llev,n)) |
---|
| 177 | pold=akz(llev) |
---|
| 178 | wzlev(llev)=0. |
---|
| 179 | uvwzlev(ix,jy,llev)=0. |
---|
| 180 | rhoh(llev)=pold/(r_air*tvold) |
---|
| 181 | |
---|
| 182 | do kz=llev+1,nuvz |
---|
| 183 | pint=akz(kz)+bkz(kz)*ps(ix,jy,1,n) |
---|
| 184 | tv=tth(ix,jy,kz,n)*(1.+0.608*qvh(ix,jy,kz,n)) |
---|
| 185 | rhoh(kz)=pint/(r_air*tv) |
---|
| 186 | |
---|
| 187 | if (abs(tv-tvold).gt.0.2) then |
---|
[4fbe7a5] | 188 | uvwzlev(ix,jy,kz)=uvwzlev(ix,jy,kz-1)+const*log(pold/pint)* & |
---|
| 189 | (tv-tvold)/log(tv/tvold) |
---|
[e200b7a] | 190 | else |
---|
[4fbe7a5] | 191 | uvwzlev(ix,jy,kz)=uvwzlev(ix,jy,kz-1)+const*log(pold/pint)*tv |
---|
[e200b7a] | 192 | endif |
---|
[4fbe7a5] | 193 | wzlev(kz)=uvwzlev(ix,jy,kz) |
---|
[e200b7a] | 194 | |
---|
| 195 | tvold=tv |
---|
| 196 | pold=pint |
---|
| 197 | end do |
---|
| 198 | |
---|
| 199 | ! pinmconv=(h2-h1)/(p2-p1) |
---|
| 200 | |
---|
| 201 | pinmconv(llev)=(uvwzlev(ix,jy,llev+1)-uvwzlev(ix,jy,llev))/ & |
---|
| 202 | ((aknew(llev+1)+bknew(llev+1)*ps(ix,jy,1,n))- & |
---|
| 203 | (aknew(llev)+bknew(llev)*ps(ix,jy,1,n))) |
---|
| 204 | do kz=llev+1,nz-1 |
---|
| 205 | pinmconv(kz)=(uvwzlev(ix,jy,kz+1)-uvwzlev(ix,jy,kz-1))/ & |
---|
| 206 | ((aknew(kz+1)+bknew(kz+1)*ps(ix,jy,1,n))- & |
---|
| 207 | (aknew(kz-1)+bknew(kz-1)*ps(ix,jy,1,n))) |
---|
| 208 | end do |
---|
| 209 | pinmconv(nz)=(uvwzlev(ix,jy,nz)-uvwzlev(ix,jy,nz-1))/ & |
---|
| 210 | ((aknew(nz)+bknew(nz)*ps(ix,jy,1,n))- & |
---|
| 211 | (aknew(nz-1)+bknew(nz-1)*ps(ix,jy,1,n))) |
---|
| 212 | |
---|
| 213 | |
---|
| 214 | ! Levels, where u,v,t and q are given |
---|
| 215 | !************************************ |
---|
| 216 | |
---|
| 217 | uu(ix,jy,1,n)=uuh(ix,jy,llev) |
---|
| 218 | vv(ix,jy,1,n)=vvh(ix,jy,llev) |
---|
| 219 | tt(ix,jy,1,n)=tth(ix,jy,llev,n) |
---|
| 220 | qv(ix,jy,1,n)=qvh(ix,jy,llev,n) |
---|
| 221 | pv(ix,jy,1,n)=pvh(ix,jy,llev) |
---|
| 222 | rho(ix,jy,1,n)=rhoh(llev) |
---|
| 223 | pplev(ix,jy,1,n)=akz(llev) |
---|
| 224 | uu(ix,jy,nz,n)=uuh(ix,jy,nuvz) |
---|
| 225 | vv(ix,jy,nz,n)=vvh(ix,jy,nuvz) |
---|
| 226 | tt(ix,jy,nz,n)=tth(ix,jy,nuvz,n) |
---|
| 227 | qv(ix,jy,nz,n)=qvh(ix,jy,nuvz,n) |
---|
| 228 | pv(ix,jy,nz,n)=pvh(ix,jy,nuvz) |
---|
| 229 | rho(ix,jy,nz,n)=rhoh(nuvz) |
---|
| 230 | pplev(ix,jy,nz,n)=akz(nuvz) |
---|
| 231 | kmin=llev+1 |
---|
| 232 | do iz=2,nz-1 |
---|
| 233 | do kz=kmin,nuvz |
---|
[4fbe7a5] | 234 | if(height(iz).gt.uvwzlev(ix,jy,nuvz)) then |
---|
[e200b7a] | 235 | uu(ix,jy,iz,n)=uu(ix,jy,nz,n) |
---|
| 236 | vv(ix,jy,iz,n)=vv(ix,jy,nz,n) |
---|
| 237 | tt(ix,jy,iz,n)=tt(ix,jy,nz,n) |
---|
| 238 | qv(ix,jy,iz,n)=qv(ix,jy,nz,n) |
---|
| 239 | pv(ix,jy,iz,n)=pv(ix,jy,nz,n) |
---|
| 240 | rho(ix,jy,iz,n)=rho(ix,jy,nz,n) |
---|
| 241 | pplev(ix,jy,iz,n)=pplev(ix,jy,nz,n) |
---|
| 242 | goto 30 |
---|
| 243 | endif |
---|
[4fbe7a5] | 244 | if ((height(iz).gt.uvwzlev(ix,jy,kz-1)).and. & |
---|
| 245 | (height(iz).le.uvwzlev(ix,jy,kz))) then |
---|
| 246 | dz1=height(iz)-uvwzlev(ix,jy,kz-1) |
---|
| 247 | dz2=uvwzlev(ix,jy,kz)-height(iz) |
---|
| 248 | dz=dz1+dz2 |
---|
| 249 | uu(ix,jy,iz,n)=(uuh(ix,jy,kz-1)*dz2+uuh(ix,jy,kz)*dz1)/dz |
---|
| 250 | vv(ix,jy,iz,n)=(vvh(ix,jy,kz-1)*dz2+vvh(ix,jy,kz)*dz1)/dz |
---|
| 251 | tt(ix,jy,iz,n)=(tth(ix,jy,kz-1,n)*dz2 & |
---|
| 252 | +tth(ix,jy,kz,n)*dz1)/dz |
---|
| 253 | qv(ix,jy,iz,n)=(qvh(ix,jy,kz-1,n)*dz2 & |
---|
| 254 | +qvh(ix,jy,kz,n)*dz1)/dz |
---|
| 255 | pv(ix,jy,iz,n)=(pvh(ix,jy,kz-1)*dz2+pvh(ix,jy,kz)*dz1)/dz |
---|
| 256 | rho(ix,jy,iz,n)=(rhoh(kz-1)*dz2+rhoh(kz)*dz1)/dz |
---|
| 257 | pplev(ix,jy,iz,n)=(akz(kz-1)*dz2+akz(kz)*dz1)/dz |
---|
[e200b7a] | 258 | endif |
---|
| 259 | end do |
---|
| 260 | 30 continue |
---|
| 261 | end do |
---|
| 262 | |
---|
| 263 | |
---|
| 264 | ! Levels, where w is given |
---|
| 265 | !************************* |
---|
| 266 | |
---|
| 267 | ww(ix,jy,1,n)=wwh(ix,jy,llev)*pinmconv(llev) |
---|
| 268 | ww(ix,jy,nz,n)=wwh(ix,jy,nwz)*pinmconv(nz) |
---|
| 269 | kmin=llev+1 |
---|
| 270 | do iz=2,nz |
---|
| 271 | do kz=kmin,nwz |
---|
| 272 | if ((height(iz).gt.wzlev(kz-1)).and. & |
---|
[4fbe7a5] | 273 | (height(iz).le.wzlev(kz))) then |
---|
| 274 | dz1=height(iz)-wzlev(kz-1) |
---|
| 275 | dz2=wzlev(kz)-height(iz) |
---|
| 276 | dz=dz1+dz2 |
---|
| 277 | ww(ix,jy,iz,n)=(wwh(ix,jy,kz-1)*pinmconv(kz-1)*dz2 & |
---|
| 278 | +wwh(ix,jy,kz)*pinmconv(kz)*dz1)/dz |
---|
[e200b7a] | 279 | endif |
---|
| 280 | end do |
---|
| 281 | end do |
---|
| 282 | |
---|
| 283 | |
---|
| 284 | ! Compute density gradients at intermediate levels |
---|
| 285 | !************************************************* |
---|
| 286 | |
---|
| 287 | drhodz(ix,jy,1,n)=(rho(ix,jy,2,n)-rho(ix,jy,1,n))/ & |
---|
| 288 | (height(2)-height(1)) |
---|
| 289 | do kz=2,nz-1 |
---|
| 290 | drhodz(ix,jy,kz,n)=(rho(ix,jy,kz+1,n)-rho(ix,jy,kz-1,n))/ & |
---|
[4fbe7a5] | 291 | (height(kz+1)-height(kz-1)) |
---|
[e200b7a] | 292 | end do |
---|
| 293 | drhodz(ix,jy,nz,n)=drhodz(ix,jy,nz-1,n) |
---|
| 294 | |
---|
| 295 | end do |
---|
| 296 | end do |
---|
| 297 | |
---|
| 298 | |
---|
| 299 | !**************************************************************** |
---|
| 300 | ! Compute slope of eta levels in windward direction and resulting |
---|
| 301 | ! vertical wind correction |
---|
| 302 | !**************************************************************** |
---|
| 303 | |
---|
| 304 | do jy=1,ny-2 |
---|
[4fbe7a5] | 305 | cosf=cos((real(jy)*dy+ylat0)*pi180) |
---|
[e200b7a] | 306 | do ix=1,nx-2 |
---|
| 307 | |
---|
| 308 | ! NCEP version: find first level above ground |
---|
| 309 | llev = 0 |
---|
| 310 | do i=1,nuvz |
---|
| 311 | if (ps(ix,jy,1,n).lt.akz(i)) llev=i |
---|
| 312 | end do |
---|
| 313 | llev = llev+1 |
---|
| 314 | if (llev.gt.nuvz-2) llev = nuvz-2 |
---|
| 315 | ! if (llev.eq.nuvz-2) write(*,*) 'verttransform |
---|
| 316 | ! +WARNING: LLEV eq NUZV-2' |
---|
| 317 | ! NCEP version |
---|
| 318 | |
---|
| 319 | kmin=llev+1 |
---|
| 320 | do iz=2,nz-1 |
---|
| 321 | |
---|
[4fbe7a5] | 322 | ui=uu(ix,jy,iz,n)*dxconst/cosf |
---|
[e200b7a] | 323 | vi=vv(ix,jy,iz,n)*dyconst |
---|
| 324 | |
---|
| 325 | do kz=kmin,nz |
---|
| 326 | if ((height(iz).gt.uvwzlev(ix,jy,kz-1)).and. & |
---|
[4fbe7a5] | 327 | (height(iz).le.uvwzlev(ix,jy,kz))) then |
---|
[e200b7a] | 328 | dz1=height(iz)-uvwzlev(ix,jy,kz-1) |
---|
| 329 | dz2=uvwzlev(ix,jy,kz)-height(iz) |
---|
| 330 | dz=dz1+dz2 |
---|
| 331 | kl=kz-1 |
---|
| 332 | klp=kz |
---|
| 333 | goto 47 |
---|
| 334 | endif |
---|
| 335 | end do |
---|
| 336 | |
---|
| 337 | 47 ix1=ix-1 |
---|
| 338 | jy1=jy-1 |
---|
| 339 | ixp=ix+1 |
---|
| 340 | jyp=jy+1 |
---|
| 341 | |
---|
| 342 | dzdx1=(uvwzlev(ixp,jy,kl)-uvwzlev(ix1,jy,kl))/2. |
---|
| 343 | dzdx2=(uvwzlev(ixp,jy,klp)-uvwzlev(ix1,jy,klp))/2. |
---|
| 344 | dzdx=(dzdx1*dz2+dzdx2*dz1)/dz |
---|
| 345 | |
---|
| 346 | dzdy1=(uvwzlev(ix,jyp,kl)-uvwzlev(ix,jy1,kl))/2. |
---|
| 347 | dzdy2=(uvwzlev(ix,jyp,klp)-uvwzlev(ix,jy1,klp))/2. |
---|
| 348 | dzdy=(dzdy1*dz2+dzdy2*dz1)/dz |
---|
| 349 | |
---|
| 350 | ww(ix,jy,iz,n)=ww(ix,jy,iz,n)+(dzdx*ui+dzdy*vi) |
---|
| 351 | |
---|
| 352 | end do |
---|
| 353 | |
---|
| 354 | end do |
---|
| 355 | end do |
---|
| 356 | |
---|
| 357 | |
---|
| 358 | ! If north pole is in the domain, calculate wind velocities in polar |
---|
| 359 | ! stereographic coordinates |
---|
| 360 | !******************************************************************* |
---|
| 361 | |
---|
| 362 | if (nglobal) then |
---|
| 363 | do jy=int(switchnorthg)-2,nymin1 |
---|
| 364 | ylat=ylat0+real(jy)*dy |
---|
| 365 | do ix=0,nxmin1 |
---|
| 366 | xlon=xlon0+real(ix)*dx |
---|
| 367 | do iz=1,nz |
---|
| 368 | call cc2gll(northpolemap,ylat,xlon,uu(ix,jy,iz,n), & |
---|
| 369 | vv(ix,jy,iz,n),uupol(ix,jy,iz,n), & |
---|
| 370 | vvpol(ix,jy,iz,n)) |
---|
| 371 | end do |
---|
| 372 | end do |
---|
| 373 | end do |
---|
| 374 | |
---|
| 375 | |
---|
| 376 | do iz=1,nz |
---|
| 377 | |
---|
| 378 | ! CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
---|
| 379 | xlon=xlon0+real(nx/2-1)*dx |
---|
| 380 | xlonr=xlon*pi/180. |
---|
[4fbe7a5] | 381 | ffpol=sqrt(uu(nx/2-1,nymin1,iz,n)**2+vv(nx/2-1,nymin1,iz,n)**2) |
---|
| 382 | if (vv(nx/2-1,nymin1,iz,n).lt.0.) then |
---|
| 383 | ddpol=atan(uu(nx/2-1,nymin1,iz,n)/vv(nx/2-1,nymin1,iz,n))-xlonr |
---|
[e200b7a] | 384 | elseif (vv(nx/2-1,nymin1,iz,n).gt.0.) then |
---|
| 385 | ddpol=pi+atan(uu(nx/2-1,nymin1,iz,n)/ & |
---|
[4fbe7a5] | 386 | vv(nx/2-1,nymin1,iz,n))-xlonr |
---|
[e200b7a] | 387 | else |
---|
| 388 | ddpol=pi/2-xlonr |
---|
| 389 | endif |
---|
| 390 | if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
---|
| 391 | if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
---|
| 392 | |
---|
| 393 | ! CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
---|
| 394 | xlon=180.0 |
---|
| 395 | xlonr=xlon*pi/180. |
---|
| 396 | ylat=90.0 |
---|
| 397 | uuaux=-ffpol*sin(xlonr+ddpol) |
---|
| 398 | vvaux=-ffpol*cos(xlonr+ddpol) |
---|
[4fbe7a5] | 399 | call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux,vvpolaux) |
---|
[e200b7a] | 400 | jy=nymin1 |
---|
| 401 | do ix=0,nxmin1 |
---|
| 402 | uupol(ix,jy,iz,n)=uupolaux |
---|
| 403 | vvpol(ix,jy,iz,n)=vvpolaux |
---|
| 404 | end do |
---|
| 405 | end do |
---|
| 406 | |
---|
| 407 | |
---|
| 408 | ! Fix: Set W at pole to the zonally averaged W of the next equator- |
---|
| 409 | ! ward parallel of latitude |
---|
| 410 | |
---|
[4fbe7a5] | 411 | do iz=1,nz |
---|
[e200b7a] | 412 | wdummy=0. |
---|
| 413 | jy=ny-2 |
---|
| 414 | do ix=0,nxmin1 |
---|
| 415 | wdummy=wdummy+ww(ix,jy,iz,n) |
---|
| 416 | end do |
---|
| 417 | wdummy=wdummy/real(nx) |
---|
| 418 | jy=nymin1 |
---|
| 419 | do ix=0,nxmin1 |
---|
| 420 | ww(ix,jy,iz,n)=wdummy |
---|
| 421 | end do |
---|
[4fbe7a5] | 422 | end do |
---|
[e200b7a] | 423 | |
---|
| 424 | endif |
---|
| 425 | |
---|
| 426 | |
---|
| 427 | ! If south pole is in the domain, calculate wind velocities in polar |
---|
| 428 | ! stereographic coordinates |
---|
| 429 | !******************************************************************* |
---|
| 430 | |
---|
| 431 | if (sglobal) then |
---|
| 432 | do jy=0,int(switchsouthg)+3 |
---|
| 433 | ylat=ylat0+real(jy)*dy |
---|
| 434 | do ix=0,nxmin1 |
---|
| 435 | xlon=xlon0+real(ix)*dx |
---|
| 436 | do iz=1,nz |
---|
| 437 | call cc2gll(southpolemap,ylat,xlon,uu(ix,jy,iz,n), & |
---|
[4fbe7a5] | 438 | vv(ix,jy,iz,n),uupol(ix,jy,iz,n),vvpol(ix,jy,iz,n)) |
---|
[e200b7a] | 439 | end do |
---|
| 440 | end do |
---|
| 441 | end do |
---|
| 442 | |
---|
| 443 | do iz=1,nz |
---|
| 444 | |
---|
| 445 | ! CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
---|
| 446 | xlon=xlon0+real(nx/2-1)*dx |
---|
| 447 | xlonr=xlon*pi/180. |
---|
[4fbe7a5] | 448 | ffpol=sqrt(uu(nx/2-1,0,iz,n)**2+vv(nx/2-1,0,iz,n)**2) |
---|
[e200b7a] | 449 | if(vv(nx/2-1,0,iz,n).lt.0.) then |
---|
[4fbe7a5] | 450 | ddpol=atan(uu(nx/2-1,0,iz,n)/vv(nx/2-1,0,iz,n))+xlonr |
---|
[e200b7a] | 451 | elseif (vv(nx/2-1,0,iz,n).gt.0.) then |
---|
[4fbe7a5] | 452 | ddpol=pi+atan(uu(nx/2-1,0,iz,n)/vv(nx/2-1,0,iz,n))-xlonr |
---|
[e200b7a] | 453 | else |
---|
| 454 | ddpol=pi/2-xlonr |
---|
| 455 | endif |
---|
| 456 | if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
---|
| 457 | if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
---|
| 458 | |
---|
| 459 | ! CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
---|
| 460 | xlon=180.0 |
---|
| 461 | xlonr=xlon*pi/180. |
---|
| 462 | ylat=-90.0 |
---|
| 463 | uuaux=+ffpol*sin(xlonr-ddpol) |
---|
| 464 | vvaux=-ffpol*cos(xlonr-ddpol) |
---|
[4fbe7a5] | 465 | call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux,vvpolaux) |
---|
[e200b7a] | 466 | |
---|
| 467 | jy=0 |
---|
| 468 | do ix=0,nxmin1 |
---|
| 469 | uupol(ix,jy,iz,n)=uupolaux |
---|
| 470 | vvpol(ix,jy,iz,n)=vvpolaux |
---|
| 471 | end do |
---|
| 472 | end do |
---|
| 473 | |
---|
| 474 | |
---|
| 475 | ! Fix: Set W at pole to the zonally averaged W of the next equator- |
---|
| 476 | ! ward parallel of latitude |
---|
| 477 | |
---|
| 478 | do iz=1,nz |
---|
| 479 | wdummy=0. |
---|
| 480 | jy=1 |
---|
| 481 | do ix=0,nxmin1 |
---|
| 482 | wdummy=wdummy+ww(ix,jy,iz,n) |
---|
| 483 | end do |
---|
| 484 | wdummy=wdummy/real(nx) |
---|
| 485 | jy=0 |
---|
| 486 | do ix=0,nxmin1 |
---|
| 487 | ww(ix,jy,iz,n)=wdummy |
---|
| 488 | end do |
---|
| 489 | end do |
---|
| 490 | endif |
---|
| 491 | |
---|
| 492 | |
---|
| 493 | ! write (*,*) 'initializing clouds, n:',n,nymin1,nxmin1,nz |
---|
| 494 | ! create a cloud and rainout/washout field, clouds occur where rh>80% |
---|
| 495 | ! total cloudheight is stored at level 0 |
---|
| 496 | do jy=0,nymin1 |
---|
| 497 | do ix=0,nxmin1 |
---|
| 498 | rain_cloud_above=0 |
---|
| 499 | lsp=lsprec(ix,jy,1,n) |
---|
| 500 | convp=convprec(ix,jy,1,n) |
---|
| 501 | cloudsh(ix,jy,n)=0 |
---|
| 502 | do kz_inv=1,nz-1 |
---|
| 503 | kz=nz-kz_inv+1 |
---|
| 504 | pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
---|
| 505 | rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
---|
| 506 | clouds(ix,jy,kz,n)=0 |
---|
| 507 | if (rh.gt.0.8) then ! in cloud |
---|
[4fbe7a5] | 508 | if ((lsp.gt.0.01).or.(convp.gt.0.01)) then ! cloud and precipitation |
---|
| 509 | rain_cloud_above=1 |
---|
| 510 | cloudsh(ix,jy,n)=cloudsh(ix,jy,n)+height(kz)-height(kz-1) |
---|
| 511 | if (lsp.ge.convp) then |
---|
| 512 | clouds(ix,jy,kz,n)=3 ! lsp dominated rainout |
---|
| 513 | else |
---|
| 514 | clouds(ix,jy,kz,n)=2 ! convp dominated rainout |
---|
| 515 | endif |
---|
| 516 | else ! no precipitation |
---|
| 517 | clouds(ix,jy,kz,n)=1 ! cloud |
---|
| 518 | endif |
---|
[e200b7a] | 519 | else ! no cloud |
---|
[4fbe7a5] | 520 | if (rain_cloud_above.eq.1) then ! scavenging |
---|
| 521 | if (lsp.ge.convp) then |
---|
| 522 | clouds(ix,jy,kz,n)=5 ! lsp dominated washout |
---|
| 523 | else |
---|
| 524 | clouds(ix,jy,kz,n)=4 ! convp dominated washout |
---|
| 525 | endif |
---|
| 526 | endif |
---|
[e200b7a] | 527 | endif |
---|
| 528 | end do |
---|
| 529 | end do |
---|
| 530 | end do |
---|
| 531 | |
---|
| 532 | |
---|
| 533 | end subroutine verttransform |
---|