[16] | 1 | !*********************************************************************** |
---|
| 2 | !* Copyright 2012,2013 * |
---|
| 3 | !* Jerome Brioude, Delia Arnold, Andreas Stohl, Wayne Angevine, * |
---|
| 4 | !* John Burkhart, Massimo Cassiani, Adam Dingwell, Richard C Easter, Sabine Eckhardt,* |
---|
| 5 | !* Stephanie Evan, Jerome D Fast, Don Morton, Ignacio Pisso, * |
---|
| 6 | !* Petra Seibert, Gerard Wotawa, Caroline Forster, Harald Sodemann, * |
---|
| 7 | !* * |
---|
| 8 | !* This file is part of FLEXPART WRF * |
---|
| 9 | !* * |
---|
| 10 | !* FLEXPART is free software: you can redistribute it and/or modify * |
---|
| 11 | !* it under the terms of the GNU General Public License as published by* |
---|
| 12 | !* the Free Software Foundation, either version 3 of the License, or * |
---|
| 13 | !* (at your option) any later version. * |
---|
| 14 | !* * |
---|
| 15 | !* FLEXPART is distributed in the hope that it will be useful, * |
---|
| 16 | !* but WITHOUT ANY WARRANTY; without even the implied warranty of * |
---|
| 17 | !* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * |
---|
| 18 | !* GNU General Public License for more details. * |
---|
| 19 | !* * |
---|
| 20 | !* You should have received a copy of the GNU General Public License * |
---|
| 21 | !* along with FLEXPART. If not, see <http://www.gnu.org/licenses/>. * |
---|
| 22 | !*********************************************************************** |
---|
| 23 | |
---|
| 24 | subroutine verttransform(n,uuh,vvh,wwh,pvh,divh) |
---|
| 25 | ! i i i i i |
---|
| 26 | !******************************************************************************* |
---|
| 27 | ! * |
---|
| 28 | ! This subroutine transforms temperature, dew point temperature and * |
---|
| 29 | ! wind components from eta to meter coordinates. * |
---|
| 30 | ! The vertical wind component is transformed from Pa/s to m/s using * |
---|
| 31 | ! the conversion factor pinmconv. * |
---|
| 32 | ! In addition, this routine calculates vertical density gradients * |
---|
| 33 | ! needed for the parameterization of the turbulent velocities. * |
---|
| 34 | ! * |
---|
| 35 | ! Note: This is the FLEXPART_WRF version of subroutine assignland. * |
---|
| 36 | ! The computational grid is the WRF x-y grid rather than lat-lon. * |
---|
| 37 | ! * |
---|
| 38 | ! Author: A. Stohl, G. Wotawa * |
---|
| 39 | ! * |
---|
| 40 | ! 12 August 1996 * |
---|
| 41 | ! Update: 16 January 1998 * |
---|
| 42 | ! * |
---|
| 43 | ! Major update: 17 February 1999 * |
---|
| 44 | ! by G. Wotawa * |
---|
| 45 | ! * |
---|
| 46 | ! - Vertical levels for u, v and w are put together * |
---|
| 47 | ! - Slope correction for vertical velocity: Modification of calculation * |
---|
| 48 | ! procedure * |
---|
| 49 | ! * |
---|
| 50 | ! Changes, Bernd C. Krueger, Feb. 2001: * |
---|
| 51 | ! Variables tth and qvh (on eta coordinates) from common block * |
---|
| 52 | ! * |
---|
| 53 | ! Oct-Nov 2005 - R. Easter - conversion to wrf * |
---|
| 54 | ! 17 Nov 2005 - R. Easter - terrain correction applied to ww. There are * |
---|
| 55 | ! now 3 options, controlled by "method_w_terrain_correction" * |
---|
| 56 | ! * |
---|
| 57 | ! 11 June 2007, conversion of tkeh to tke |
---|
| 58 | ! 25 June 2007 conversion of ptth to ptt |
---|
| 59 | ! Jan 2012, J Brioude: modified to handle different wind options and openmp |
---|
| 60 | !******************************************************************************* |
---|
| 61 | ! * |
---|
| 62 | ! Variables: * |
---|
| 63 | ! nx,ny,nz field dimensions in x,y and z direction * |
---|
| 64 | ! uu(0:nxmax,0:nymax,nzmax,2) wind components in x-direction [m/s] * |
---|
| 65 | ! vv(0:nxmax,0:nymax,nzmax,2) wind components in y-direction [m/s] * |
---|
| 66 | ! ww(0:nxmax,0:nymax,nzmax,2) wind components in z-direction [deltaeta/s] * |
---|
| 67 | ! tt(0:nxmax,0:nymax,nzmax,2) temperature [K] * |
---|
| 68 | ! pv(0:nxmax,0:nymax,nzmax,2) potential voriticity (pvu) * |
---|
| 69 | ! ps(0:nxmax,0:nymax,2) surface pressure [Pa] * |
---|
| 70 | ! * |
---|
| 71 | !******************************************************************************* |
---|
| 72 | |
---|
| 73 | use par_mod |
---|
| 74 | use com_mod |
---|
| 75 | ! include 'includepar' |
---|
| 76 | ! include 'includecom' |
---|
| 77 | |
---|
| 78 | implicit none |
---|
| 79 | |
---|
| 80 | integer :: ix,jy,kz,iz,n,kmin,kl,klp,ix1,jy1,ixp,jyp,ixm,jym |
---|
| 81 | ! CDA |
---|
| 82 | integer :: icloudtop |
---|
| 83 | |
---|
| 84 | integer :: method_z_compute,aa |
---|
| 85 | real :: uvzlev(nuvzmax),rhoh(nuvzmax),pinmconv(nzmax) |
---|
| 86 | real :: ew,pint,tv,tvold,pold,dz1,dz2,dz,ui,vi |
---|
| 87 | real :: xlon,ylat,xlonr,dzdx,dzdy |
---|
| 88 | real :: dzdx1,dzdx2,dzdy1,dzdy2 |
---|
| 89 | real :: uuaux,vvaux,uupolaux,vvpolaux,ddpol,ffpol,wdummy |
---|
| 90 | real(kind=4) :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 91 | real(kind=4) :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 92 | real(kind=4) :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
---|
| 93 | real(kind=4) :: divh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 94 | |
---|
| 95 | ! real :: uuh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 96 | ! real :: divh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 97 | real :: div(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 98 | ! real :: vvh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 99 | real :: pvh(0:nxmax-1,0:nymax-1,nuvzmax) |
---|
| 100 | ! real :: wwh(0:nxmax-1,0:nymax-1,nwzmax) |
---|
| 101 | real :: wzlev(nwzmax),uvwzlev(0:nxmax-1,0:nymax-1,nzmax) |
---|
| 102 | real :: wwh_svaa(nwzmax), wtc_stat(4,nzmax),u,v |
---|
| 103 | real,parameter :: const=r_air/ga |
---|
| 104 | ! CDA cloud commented |
---|
| 105 | ! integer :: rain_cloud_above,kz_inv |
---|
| 106 | |
---|
| 107 | integer :: kz_inv |
---|
| 108 | real :: f_qvsat,pressure |
---|
| 109 | ! CDA some new declarations and mods |
---|
| 110 | ! real :: rh,lsp,convp |
---|
| 111 | real :: rh,lsp,convp,prec,rhmin |
---|
| 112 | real,parameter :: precmin = 0.002 |
---|
| 113 | |
---|
| 114 | |
---|
| 115 | |
---|
| 116 | logical :: init = .true. |
---|
| 117 | ! CDA |
---|
| 118 | logical :: lconvectprec = .true. |
---|
| 119 | |
---|
| 120 | |
---|
| 121 | |
---|
| 122 | ! set method_w_terrain_correction & method_z_compute |
---|
| 123 | method_w_terrain_correction = 20 |
---|
| 124 | method_z_compute = 10 |
---|
| 125 | aa=0 |
---|
| 126 | do iz = 1, nz |
---|
| 127 | do ix = 1, 4 |
---|
| 128 | wtc_stat(ix,iz) = 0.0 |
---|
| 129 | end do |
---|
| 130 | end do |
---|
| 131 | |
---|
| 132 | |
---|
| 133 | !************************************************************************* |
---|
| 134 | ! If verttransform is called the first time, initialize heights of the * |
---|
| 135 | ! z levels in meter. The heights are the heights of model levels, where * |
---|
| 136 | ! u,v,T and qv are given, and of the interfaces, where w is given. So, * |
---|
| 137 | ! the vertical resolution in the z system is doubled. As reference point,* |
---|
| 138 | ! the lower left corner of the grid is used. * |
---|
| 139 | ! Unlike in the eta system, no difference between heights for u,v and * |
---|
| 140 | ! heights for w exists. * |
---|
| 141 | !************************************************************************* |
---|
| 142 | |
---|
| 143 | if (init) then |
---|
| 144 | |
---|
| 145 | ! Search for a point with high surface pressure (i.e. not above significant topography) |
---|
| 146 | ! Then, use this point to construct a reference z profile, to be used at all times |
---|
| 147 | ! |
---|
| 148 | ! FLEXPART_WRF - use grid point with highest surface pressure |
---|
| 149 | !************************************************************************************** |
---|
| 150 | |
---|
| 151 | pint = -1.0 |
---|
| 152 | ixm = -999888777 |
---|
| 153 | jym = -999888777 |
---|
| 154 | do jy=0,nymin1 |
---|
| 155 | do ix=0,nxmin1 |
---|
| 156 | ! if (ps(ix,jy,1,n).gt.100000.) then |
---|
| 157 | if (ps(ix,jy,1,n).gt.pint) then |
---|
| 158 | pint = ps(ix,jy,1,n) |
---|
| 159 | ixm=ix |
---|
| 160 | jym=jy |
---|
| 161 | ! goto 3 |
---|
| 162 | endif |
---|
| 163 | enddo |
---|
| 164 | enddo |
---|
| 165 | 3 continue |
---|
| 166 | ! write(*,'(/a,2i4,1pe11.2)') |
---|
| 167 | ! & 'verttransform -- ixm,jym,ps() =', ixm, jym, pint |
---|
| 168 | |
---|
| 169 | |
---|
| 170 | tvold=tt2(ixm,jym,1,n)*(1.+0.378*ew(td2(ixm,jym,1,n))/ & |
---|
| 171 | ps(ixm,jym,1,n)) |
---|
| 172 | pold=ps(ixm,jym,1,n) |
---|
| 173 | height(1)=0. |
---|
| 174 | |
---|
| 175 | do kz=2,nuvz |
---|
| 176 | ! use pressure from wrf met file |
---|
| 177 | ! pint=akz(kz)+bkz(kz)*ps(ixm,jym,1,n) |
---|
| 178 | pint=pph(ixm,jym,kz,n) |
---|
| 179 | tv=tth(ixm,jym,kz,n)*(1.+0.608*qvh(ixm,jym,kz,n)) |
---|
| 180 | |
---|
| 181 | |
---|
| 182 | ! NOTE: In FLEXPART versions up to 4.0, the number of model levels was doubled |
---|
| 183 | ! upon the transformation to z levels. In order to save computer memory, this is |
---|
| 184 | ! not done anymore in the standard version. However, this option can still be |
---|
| 185 | ! switched on by replacing the following lines with those below, that are |
---|
| 186 | ! currently commented out. |
---|
| 187 | ! Note that two more changes are necessary in this subroutine below. |
---|
| 188 | ! One change is also necessary in gridcheck.f, and another one in verttransform_nests. |
---|
| 189 | !************************************************************************************* |
---|
| 190 | |
---|
| 191 | if (abs(tv-tvold).gt.0.2) then |
---|
| 192 | height(kz)= & |
---|
| 193 | height(kz-1)+const*log(pold/pint)* & |
---|
| 194 | (tv-tvold)/log(tv/tvold) |
---|
| 195 | else |
---|
| 196 | height(kz)=height(kz-1)+ & |
---|
| 197 | const*log(pold/pint)*tv |
---|
| 198 | endif |
---|
| 199 | |
---|
| 200 | ! |
---|
| 201 | ! *** NOTE -- the doubled vertical resolution has not been tested in FLEXPART_WRF |
---|
| 202 | ! |
---|
| 203 | ! Switch on following lines to use doubled vertical resolution |
---|
| 204 | !************************************************************* |
---|
| 205 | ! if (abs(tv-tvold).gt.0.2) then |
---|
| 206 | ! height((kz-1)*2)= |
---|
| 207 | ! + height(max((kz-2)*2,1))+const*log(pold/pint)* |
---|
| 208 | ! + (tv-tvold)/log(tv/tvold) |
---|
| 209 | ! else |
---|
| 210 | ! height((kz-1)*2)=height(max((kz-2)*2,1))+ |
---|
| 211 | ! + const*log(pold/pint)*tv |
---|
| 212 | ! endif |
---|
| 213 | ! End doubled vertical resolution |
---|
| 214 | |
---|
| 215 | ! FLEXPART_WRF - get height from zzh |
---|
| 216 | if (method_z_compute .eq. 10) then |
---|
| 217 | if ((add_sfc_level .eq. 1) .and. (kz .eq. 2)) then |
---|
| 218 | height(kz) = 0.5*(zzh(ixm,jym, 3,n)+zzh(ixm,jym, 1,n)) & |
---|
| 219 | - zzh(ixm,jym,1,n) |
---|
| 220 | else |
---|
| 221 | height(kz) = 0.5*(zzh(ixm,jym,kz+1,n)+zzh(ixm,jym,kz,n)) & |
---|
| 222 | - zzh(ixm,jym,1,n) |
---|
| 223 | end if |
---|
| 224 | end if |
---|
| 225 | |
---|
| 226 | tvold=tv |
---|
| 227 | pold=pint |
---|
| 228 | enddo |
---|
| 229 | do kz=1,nz-1 |
---|
| 230 | heightmid(kz)=0.5*(height(kz)+height(kz+1)) |
---|
| 231 | enddo |
---|
| 232 | ! |
---|
| 233 | ! *** NOTE -- the doubled vertical resolution has not been tested in FLEXPART_WRF |
---|
| 234 | ! |
---|
| 235 | ! Switch on following lines to use doubled vertical resolution |
---|
| 236 | !************************************************************* |
---|
| 237 | ! do 7 kz=3,nz-1,2 |
---|
| 238 | ! height(kz)=0.5*(height(kz-1)+height(kz+1)) |
---|
| 239 | ! height(nz)=height(nz-1)+height(nz-1)-height(nz-2) |
---|
| 240 | ! End doubled vertical resolution |
---|
| 241 | |
---|
| 242 | |
---|
| 243 | ! Determine highest levels that can be within PBL |
---|
| 244 | !************************************************ |
---|
| 245 | |
---|
| 246 | do kz=1,nz |
---|
| 247 | if (height(kz).gt.hmixmax) then |
---|
| 248 | nmixz=kz |
---|
| 249 | goto 9 |
---|
| 250 | endif |
---|
| 251 | end do |
---|
| 252 | 9 continue |
---|
| 253 | |
---|
| 254 | ! Do not repeat initialization of the Cartesian z grid |
---|
| 255 | !***************************************************** |
---|
| 256 | |
---|
| 257 | init=.false. |
---|
| 258 | |
---|
| 259 | endif |
---|
| 260 | |
---|
| 261 | |
---|
| 262 | ! Loop over the whole grid |
---|
| 263 | !************************* |
---|
| 264 | |
---|
| 265 | !!!$OMP PARALLEL DEFAULT(SHARED) & |
---|
| 266 | !!!$OMP PRIVATE(ix,jy,ixm,jym,tvold,pold,pint,tv,rhoh,uvzlev,wzlev, & |
---|
| 267 | !!!$OMP uvwzlev,pinmconv,kz,iz,kmin,dz1,dz2,dz,ix1,jy1,ixp,jyp, & |
---|
| 268 | !!!$OMP dzdy,dzdx,aa,u,v,wwh_svaa ) |
---|
| 269 | !!!$OMP DO |
---|
| 270 | do jy=0,nymin1 |
---|
| 271 | do ix=0,nxmin1 |
---|
| 272 | tvold=tt2(ix,jy,1,n)*(1.+0.378*ew(td2(ix,jy,1,n))/ & |
---|
| 273 | ps(ix,jy,1,n)) |
---|
| 274 | pold=ps(ix,jy,1,n) |
---|
| 275 | uvzlev(1)=0. |
---|
| 276 | wzlev(1)=0. |
---|
| 277 | rhoh(1)=pold/(r_air*tvold) |
---|
| 278 | |
---|
| 279 | |
---|
| 280 | ! Compute heights of eta levels |
---|
| 281 | !****************************** |
---|
| 282 | |
---|
| 283 | do kz=2,nuvz |
---|
| 284 | ! use pressure from wrf met file |
---|
| 285 | ! pint=akz(kz)+bkz(kz)*ps(ix,jy,1,n) |
---|
| 286 | pint=pph(ix,jy,kz,n) |
---|
| 287 | tv=tth(ix,jy,kz,n)*(1.+0.608*qvh(ix,jy,kz,n)) |
---|
| 288 | rhoh(kz)=pint/(r_air*tv) |
---|
| 289 | |
---|
| 290 | if (abs(tv-tvold).gt.0.2) then |
---|
| 291 | uvzlev(kz)=uvzlev(kz-1)+const*log(pold/pint)* & |
---|
| 292 | (tv-tvold)/log(tv/tvold) |
---|
| 293 | else |
---|
| 294 | uvzlev(kz)=uvzlev(kz-1)+const*log(pold/pint)*tv |
---|
| 295 | endif |
---|
| 296 | |
---|
| 297 | tvold=tv |
---|
| 298 | pold=pint |
---|
| 299 | end do |
---|
| 300 | |
---|
| 301 | |
---|
| 302 | do kz=2,nwz-1 |
---|
| 303 | wzlev(kz)=(uvzlev(kz+1)+uvzlev(kz))/2. |
---|
| 304 | end do |
---|
| 305 | |
---|
| 306 | wzlev(nwz)=wzlev(nwz-1)+ & |
---|
| 307 | uvzlev(nuvz)-uvzlev(nuvz-1) |
---|
| 308 | |
---|
| 309 | ! FLEXPART_WRF - get uvzlev & wzlev from zzh |
---|
| 310 | if (method_z_compute .eq. 10) then |
---|
| 311 | do kz = 2, nuvz |
---|
| 312 | if ((add_sfc_level .eq. 1) .and. (kz .eq. 2)) then |
---|
| 313 | uvzlev(kz) = 0.5*(zzh(ix,jy, 3,n) + zzh(ix,jy, 1,n)) & |
---|
| 314 | - zzh(ix,jy,1,n) |
---|
| 315 | else |
---|
| 316 | uvzlev(kz) = 0.5*(zzh(ix,jy,kz+1,n) + zzh(ix,jy,kz,n)) & |
---|
| 317 | - zzh(ix,jy,1,n) |
---|
| 318 | end if |
---|
| 319 | end do |
---|
| 320 | do kz = 2, nwz |
---|
| 321 | wzlev(kz) = zzh(ix,jy,kz+add_sfc_level,n) & |
---|
| 322 | - zzh(ix,jy,1,n) |
---|
| 323 | end do |
---|
| 324 | end if |
---|
| 325 | |
---|
| 326 | uvwzlev(ix,jy,1)=0.0 |
---|
| 327 | do kz=2,nuvz |
---|
| 328 | uvwzlev(ix,jy,kz)=uvzlev(kz) |
---|
| 329 | end do |
---|
| 330 | |
---|
| 331 | ! if ((ix .eq. ixm) .and. (jy .eq. jym)) then |
---|
| 332 | ! write(*,'(/a)') |
---|
| 333 | ! & 'kz, height, uvzlev, wzlev, zzh-zzh(1) at ixm,jym (in km)' |
---|
| 334 | ! write(*,'(i3,4f8.3)') (kz, height(kz)*1.0e-3, |
---|
| 335 | ! & uvzlev(kz)*1.0e-3, wzlev(kz)*1.0e-3, |
---|
| 336 | ! & (zzh(ix,jy,kz,n)-zzh(ix,jy,1,n))*1.0e-3, kz=nz,1,-1) |
---|
| 337 | ! ixm = -9 |
---|
| 338 | ! end if |
---|
| 339 | |
---|
| 340 | ! Switch on following lines to use doubled vertical resolution |
---|
| 341 | ! Switch off the three lines above. |
---|
| 342 | !************************************************************* |
---|
| 343 | !22 uvwzlev(ix,jy,(kz-1)*2)=uvzlev(kz) |
---|
| 344 | ! do 23 kz=2,nwz |
---|
| 345 | !23 uvwzlev(ix,jy,(kz-1)*2+1)=wzlev(kz) |
---|
| 346 | ! End doubled vertical resolution |
---|
| 347 | |
---|
| 348 | ! pinmconv=(h2-h1)/(p2-p1) |
---|
| 349 | ! |
---|
| 350 | ! in flexpart_ecmwf, pinmconv is used to convert etadot to w |
---|
| 351 | ! in FLEXPART_WRF, vertical velocity is already m/s, so pinmconv=1.0 |
---|
| 352 | |
---|
| 353 | if (wind_option.le.0) then |
---|
| 354 | pinmconv(1)=1.0 |
---|
| 355 | do kz=2,nz-1 |
---|
| 356 | pinmconv(kz)=1.0 |
---|
| 357 | enddo |
---|
| 358 | pinmconv(nz)=1.0 |
---|
| 359 | elseif (wind_option.ge.1) then |
---|
| 360 | |
---|
| 361 | ! pinmconv(1)=(uvzlev(1+add_sfc_level)-0.) & |
---|
| 362 | ! /(eta_u_wrf(1)-1.) |
---|
| 363 | pinmconv(1)=(wzlev(2)-0.) & |
---|
| 364 | /(eta_w_wrf(2)-1.) |
---|
| 365 | do kz=2,nz-1 |
---|
| 366 | |
---|
| 367 | ! pinmconv(kz)=(uvzlev(kz+add_sfc_level)-uvzlev(kz-1+add_sfc_level)) & |
---|
| 368 | ! /(eta_u_wrf(kz)-eta_u_wrf(kz-1)) |
---|
| 369 | ! /(pph(ix,jy,kz+add_sfc_level,n)-pph(ix,jy,kz-1+add_sfc_level,n)) & |
---|
| 370 | ! *(pph(ix,jy,1,n)-pph(ix,jy,nz,n)) |
---|
| 371 | ! *(ps(ix,jy,1,n)-p_top_wrf) |
---|
| 372 | |
---|
| 373 | pinmconv(kz)=(wzlev(kz+1)-wzlev(kz-1)) & |
---|
| 374 | /(eta_w_wrf(kz+1)-eta_w_wrf(kz-1)) |
---|
| 375 | enddo |
---|
| 376 | |
---|
| 377 | pinmconv(nwz)=pinmconv(nwz-1) ! |
---|
| 378 | endif |
---|
| 379 | ! Levels, where u,v,t and q are given |
---|
| 380 | !************************************ |
---|
| 381 | |
---|
| 382 | uu(ix,jy,1,n)=uuh(ix,jy,1) |
---|
| 383 | vv(ix,jy,1,n)=vvh(ix,jy,1) |
---|
| 384 | div(ix,jy,1)=divh(ix,jy,1) |
---|
| 385 | tt(ix,jy,1,n)=tth(ix,jy,1,n) |
---|
| 386 | qv(ix,jy,1,n)=qvh(ix,jy,1,n) |
---|
| 387 | pv(ix,jy,1,n)=pvh(ix,jy,1) |
---|
| 388 | rho(ix,jy,1,n)=rhoh(1) |
---|
| 389 | uu(ix,jy,nz,n)=uuh(ix,jy,nuvz) |
---|
| 390 | vv(ix,jy,nz,n)=vvh(ix,jy,nuvz) |
---|
| 391 | tt(ix,jy,nz,n)=tth(ix,jy,nuvz,n) |
---|
| 392 | qv(ix,jy,nz,n)=qvh(ix,jy,nuvz,n) |
---|
| 393 | pv(ix,jy,nz,n)=pvh(ix,jy,nuvz) |
---|
| 394 | rho(ix,jy,nz,n)=rhoh(nuvz) |
---|
| 395 | tke(ix,jy,1,n)=tkeh(ix,jy,1,n) |
---|
| 396 | tke(ix,jy,nz,n)=tkeh(ix,jy,nuvz,n) |
---|
| 397 | ptt(ix,jy,1,n)=ptth(ix,jy,1,n) |
---|
| 398 | ptt(ix,jy,nz,n)=ptth(ix,jy,nuvz,n) |
---|
| 399 | |
---|
| 400 | |
---|
| 401 | kmin=2 |
---|
| 402 | do iz=2,nz-1 |
---|
| 403 | do kz=kmin,nuvz |
---|
| 404 | if(heightmid(iz).gt.uvzlev(nuvz)) then |
---|
| 405 | div(ix,jy,iz)=div(ix,jy,nz) |
---|
| 406 | goto 230 |
---|
| 407 | endif |
---|
| 408 | if ((heightmid(iz).gt.uvzlev(kz-1)).and. & |
---|
| 409 | (heightmid(iz).le.uvzlev(kz))) then |
---|
| 410 | dz1=heightmid(iz)-uvzlev(kz-1) |
---|
| 411 | dz2=uvzlev(kz)-heightmid(iz) |
---|
| 412 | dz=dz1+dz2 |
---|
| 413 | div(ix,jy,iz)=(divh(ix,jy,kz-1)*dz2+divh(ix,jy,kz)*dz1)/dz |
---|
| 414 | kmin=kz |
---|
| 415 | goto 230 |
---|
| 416 | endif |
---|
| 417 | end do |
---|
| 418 | 230 continue |
---|
| 419 | end do |
---|
| 420 | |
---|
| 421 | kmin=2 |
---|
| 422 | do iz=2,nz-1 |
---|
| 423 | do kz=kmin,nuvz |
---|
| 424 | if(height(iz).gt.uvzlev(nuvz)) then |
---|
| 425 | uu(ix,jy,iz,n)=uu(ix,jy,nz,n) |
---|
| 426 | vv(ix,jy,iz,n)=vv(ix,jy,nz,n) |
---|
| 427 | tt(ix,jy,iz,n)=tt(ix,jy,nz,n) |
---|
| 428 | qv(ix,jy,iz,n)=qv(ix,jy,nz,n) |
---|
| 429 | pv(ix,jy,iz,n)=pv(ix,jy,nz,n) |
---|
| 430 | rho(ix,jy,iz,n)=rho(ix,jy,nz,n) |
---|
| 431 | tke(ix,jy,iz,n)=tke(ix,jy,nz,n) |
---|
| 432 | ptt(ix,jy,iz,n)=ptt(ix,jy,nz,n) |
---|
| 433 | |
---|
| 434 | goto 30 |
---|
| 435 | endif |
---|
| 436 | if ((height(iz).gt.uvzlev(kz-1)).and. & |
---|
| 437 | (height(iz).le.uvzlev(kz))) then |
---|
| 438 | dz1=height(iz)-uvzlev(kz-1) |
---|
| 439 | dz2=uvzlev(kz)-height(iz) |
---|
| 440 | dz=dz1+dz2 |
---|
| 441 | uu(ix,jy,iz,n)=(uuh(ix,jy,kz-1)*dz2+uuh(ix,jy,kz)*dz1)/dz |
---|
| 442 | vv(ix,jy,iz,n)=(vvh(ix,jy,kz-1)*dz2+vvh(ix,jy,kz)*dz1)/dz |
---|
| 443 | tt(ix,jy,iz,n)=(tth(ix,jy,kz-1,n)*dz2 & |
---|
| 444 | +tth(ix,jy,kz,n)*dz1)/dz |
---|
| 445 | qv(ix,jy,iz,n)=(qvh(ix,jy,kz-1,n)*dz2 & |
---|
| 446 | +qvh(ix,jy,kz,n)*dz1)/dz |
---|
| 447 | pv(ix,jy,iz,n)=(pvh(ix,jy,kz-1)*dz2+pvh(ix,jy,kz)*dz1)/dz |
---|
| 448 | rho(ix,jy,iz,n)=(rhoh(kz-1)*dz2+rhoh(kz)*dz1)/dz |
---|
| 449 | tke(ix,jy,iz,n)=(tkeh(ix,jy,kz-1,n)*dz2 & |
---|
| 450 | +tkeh(ix,jy,kz,n)*dz1)/dz |
---|
| 451 | ptt(ix,jy,iz,n)=(ptth(ix,jy,kz-1,n)*dz2 & |
---|
| 452 | +ptth(ix,jy,kz,n)*dz1)/dz |
---|
| 453 | |
---|
| 454 | |
---|
| 455 | kmin=kz |
---|
| 456 | goto 30 |
---|
| 457 | endif |
---|
| 458 | end do |
---|
| 459 | 30 continue |
---|
| 460 | end do |
---|
| 461 | |
---|
| 462 | |
---|
| 463 | ! Levels, where w is given |
---|
| 464 | !************************* |
---|
| 465 | |
---|
| 466 | ! ww(ix,jy,1,n)=wwh(ix,jy,1)*pinmconv(1) |
---|
| 467 | ! ww(ix,jy,nz,n)=wwh(ix,jy,nwz)*pinmconv(nz) |
---|
| 468 | ! kmin=2 |
---|
| 469 | ! do iz=2,nz |
---|
| 470 | ! do kz=kmin,nwz |
---|
| 471 | ! if ((height(iz).gt.wzlev(kz-1)).and. & |
---|
| 472 | ! (height(iz).le.wzlev(kz))) then |
---|
| 473 | ! dz1=height(iz)-wzlev(kz-1) |
---|
| 474 | ! dz2=wzlev(kz)-height(iz) |
---|
| 475 | ! dz=dz1+dz2 |
---|
| 476 | !! ww(ix,jy,iz,n)=(wwh(ix,jy,kz-1)*dz2*pinmconv(kz-1) |
---|
| 477 | !! + +wwh(ix,jy,kz)*dz1*pinmconv(kz))/dz |
---|
| 478 | ! kmin=kz |
---|
| 479 | ! goto 40 |
---|
| 480 | ! endif |
---|
| 481 | ! end do |
---|
| 482 | !40 continue |
---|
| 483 | ! end do |
---|
| 484 | |
---|
| 485 | if (method_w_terrain_correction .eq. 20) then |
---|
| 486 | ! apply w correction assuming that the WRF w is "absolute w"; |
---|
| 487 | ! apply it here to wwh; set wwh=0 at iz=1 |
---|
| 488 | ! do iz = 1, nz |
---|
| 489 | ! wtc_stat(1,iz) = wtc_stat(1,iz) + ww(ix,jy,iz,n) |
---|
| 490 | ! wtc_stat(2,iz) = wtc_stat(2,iz) + abs(ww(ix,jy,iz,n)) |
---|
| 491 | ! end do |
---|
| 492 | |
---|
| 493 | ! if ((ix.eq.0) .and. (jy.eq.0)) write(*,*) |
---|
| 494 | ! & 'verttransform doing method_w_terrain_correction =', |
---|
| 495 | ! & method_w_terrain_correction |
---|
| 496 | ix1 = max( ix-1, 0 ) |
---|
| 497 | jy1 = max( jy-1, 0 ) |
---|
| 498 | ixp = min( ix+1, nx-1 ) |
---|
| 499 | jyp = min( jy+1, ny-1 ) |
---|
| 500 | if (wind_option.eq.0) then |
---|
| 501 | dzdx=(oro(ixp,jy) - oro(ix1,jy))/(dx*(ixp-ix1)*m_x(ix,jy,1)) |
---|
| 502 | dzdy=(oro(ix,jyp) - oro(ix,jy1))/(dy*(jyp-jy1)*m_y(ix,jy,1)) |
---|
| 503 | do kz = 1, nwz-1 |
---|
| 504 | wwh_svaa(kz) = wwh(ix,jy,kz) |
---|
| 505 | wwh(ix,jy,kz) = wwh(ix,jy,kz)*pinmconv(kz) & |
---|
| 506 | ! wwh(ix,jy,kz) = |
---|
| 507 | - (uuh(ix,jy,kz)*dzdx + vvh(ix,jy,kz)*dzdy) !this is correct. term of variation of geopot not necessary |
---|
| 508 | |
---|
| 509 | if (kz .eq. 1) wwh(ix,jy,kz) = 0.0 |
---|
| 510 | aa=aa+1 |
---|
| 511 | end do |
---|
| 512 | elseif (wind_option.ge.1) then |
---|
| 513 | do kz = 2, nwz-1 |
---|
| 514 | wwh_svaa(kz) = wwh(ix,jy,kz) |
---|
| 515 | ! dzdx=(zzh(ixp,jy,kz,n) - zzh(ix1,jy,kz,n)) |
---|
| 516 | ! + /(dx*(ixp-ix1)) |
---|
| 517 | ! dzdy=(zzh(ix,jyp,kz,n) - zzh(ix,jy1,kz,n)) |
---|
| 518 | ! + /(dy*(jyp-jy1)) |
---|
| 519 | ! dzdx=(zzh(ixp,jy,kz,n) - zzh(ix1,jy,kz,n)-zzh(ixp,jy,1,n) & |
---|
| 520 | ! +zzh(ix1,jy,1,n)) & |
---|
| 521 | ! /(dx*(ixp-ix1)*m_x(ix,jy,1)) |
---|
| 522 | ! dzdy=(zzh(ix,jyp,kz,n) - zzh(ix,jy1,kz,n)-zzh(ix,jyp,1,n) & |
---|
| 523 | ! +zzh(ix,jy1,1,n)) & |
---|
| 524 | ! /(dy*(jyp-jy1)*m_y(ix,jy,1)) |
---|
| 525 | |
---|
| 526 | dzdx=(zzh(ixp,jy,kz+add_sfc_level,n) - zzh(ix1,jy,kz+add_sfc_level,n) & |
---|
| 527 | -zzh(ixp,jy,1,n)+zzh(ix1,jy,1,n))/(dx*(ixp-ix1)*m_x(ix,jy,1)) |
---|
| 528 | dzdy=(zzh(ix,jyp,kz+add_sfc_level,n) - zzh(ix,jy1,kz+add_sfc_level,n) & |
---|
| 529 | -zzh(ix,jyp,1,n)+zzh(ix,jy1,1,n))/(dy*(jyp-jy1)*m_y(ix,jy,1)) |
---|
| 530 | u=0.5*(uuh(ix,jy,kz+add_sfc_level)+uuh(ix,jy,kz-1+add_sfc_level)) |
---|
| 531 | v=0.5*(vvh(ix,jy,kz+add_sfc_level)+vvh(ix,jy,kz-1+add_sfc_level)) |
---|
| 532 | wwh(ix,jy,kz) = wwh(ix,jy,kz)*pinmconv(kz) & |
---|
| 533 | + (u*dzdx + v*dzdy) ! variation of geopot on sigma is necessary |
---|
| 534 | |
---|
| 535 | ! wwh(ix,jy,kz) = wwh(ix,jy,kz)*pinmconv(kz) & |
---|
| 536 | ! + (uuh(ix,jy,kz)*dzdx + vvh(ix,jy,kz)*dzdy) ! variation of geopot on sigma is necessary |
---|
| 537 | ! if (kz .eq. 1) wwh(ix,jy,kz) = 0.0 |
---|
| 538 | if (kz .eq. 1) wwh(ix,jy,kz) = wwh(ix,jy,kz)*pinmconv(kz) |
---|
| 539 | ! aa=aa+1 |
---|
| 540 | end do |
---|
| 541 | endif |
---|
| 542 | if (wind_option.eq.-1) then |
---|
| 543 | ! ww(ix,jy,1,n)=wwh(ix,jy,1) |
---|
| 544 | ww(ix,jy,1,n)=0. |
---|
| 545 | do iz=2,nz |
---|
| 546 | ww(ix,jy,iz,n)=ww(ix,jy,iz-1,n)-(height(iz)-height(iz-1))* & |
---|
| 547 | div(ix,jy,iz-1) |
---|
| 548 | enddo |
---|
| 549 | else |
---|
| 550 | |
---|
| 551 | ww(ix,jy,1,n)=wwh(ix,jy,1) |
---|
| 552 | ww(ix,jy,nz,n)=wwh(ix,jy,nwz) |
---|
| 553 | kmin=2 |
---|
| 554 | do iz=2,nz |
---|
| 555 | do kz=kmin,nwz |
---|
| 556 | if ((height(iz).gt.wzlev(kz-1)).and. & |
---|
| 557 | (height(iz).le.wzlev(kz))) then |
---|
| 558 | dz1=height(iz)-wzlev(kz-1) |
---|
| 559 | dz2=wzlev(kz)-height(iz) |
---|
| 560 | dz=dz1+dz2 |
---|
| 561 | ww(ix,jy,iz,n)=(wwh(ix,jy,kz-1)*dz2 & |
---|
| 562 | +wwh(ix,jy,kz)*dz1) & |
---|
| 563 | /dz |
---|
| 564 | kmin=kz |
---|
| 565 | goto 4000 |
---|
| 566 | endif |
---|
| 567 | end do |
---|
| 568 | 4000 continue |
---|
| 569 | end do |
---|
| 570 | endif |
---|
| 571 | |
---|
| 572 | ! do kz = 1, nwz |
---|
| 573 | ! wwh(ix,jy,kz) = wwh_svaa(kz) |
---|
| 574 | ! end do |
---|
| 575 | |
---|
| 576 | ! do iz = 1, nz |
---|
| 577 | ! wtc_stat(3,iz) = wtc_stat(3,iz) + ww(ix,jy,iz,n) |
---|
| 578 | ! wtc_stat(4,iz) = wtc_stat(4,iz) + abs(ww(ix,jy,iz,n)) |
---|
| 579 | ! end do |
---|
| 580 | end if |
---|
| 581 | |
---|
| 582 | ! Compute density gradients at intermediate levels |
---|
| 583 | !************************************************* |
---|
| 584 | |
---|
| 585 | drhodz(ix,jy,1,n)=(rho(ix,jy,2,n)-rho(ix,jy,1,n))/ & |
---|
| 586 | (height(2)-height(1)) |
---|
| 587 | do kz=2,nz-1 |
---|
| 588 | drhodz(ix,jy,kz,n)=(rho(ix,jy,kz+1,n)-rho(ix,jy,kz-1,n))/ & |
---|
| 589 | (height(kz+1)-height(kz-1)) |
---|
| 590 | end do |
---|
| 591 | |
---|
| 592 | drhodz(ix,jy,nz,n)=drhodz(ix,jy,nz-1,n) |
---|
| 593 | |
---|
| 594 | end do |
---|
| 595 | end do |
---|
| 596 | !!!$OMP END DO |
---|
| 597 | !!!$OMP END PARALLEL |
---|
| 598 | |
---|
| 599 | !**************************************************************** |
---|
| 600 | ! Compute slope of eta levels in windward direction and resulting |
---|
| 601 | ! vertical wind correction |
---|
| 602 | ! |
---|
| 603 | ! The ECMWF model uses a hybrid-pressure vertical coordinate, "eta" |
---|
| 604 | ! The "eta" coordinate transitions from terrain-following near |
---|
| 605 | ! the surface to constant pressure in the stratosphere. |
---|
| 606 | ! The vertical velocities in the ECMWF grib files are "eta_dot" |
---|
| 607 | ! FLEXPART uses a "height above ground" vertical coordinate |
---|
| 608 | ! which we will call "hag". |
---|
| 609 | ! The vertical velocity is uses (in ww array) is "hag_dot". |
---|
| 610 | ! Converting from eta_dot to hag_dot involves |
---|
| 611 | ! >> multiplying by pinmconv = [d(hag)/d(eta)] |
---|
| 612 | ! >> adding a term that accounts for the fact that |
---|
| 613 | ! "eta" varies on constant "hag" surfaces. |
---|
| 614 | ! This term is [u*d(hag)/dx + v*d(hag)/dy], with the |
---|
| 615 | ! partial derivatives taken with "eta" being constant |
---|
| 616 | ! |
---|
| 617 | ! The WRF model uses a similar (to ECMWF) vertical coordinate. |
---|
| 618 | ! HOWEVER, the vertical velocities in the WRF output files |
---|
| 619 | ! are the "true/absolute w" in m/s. (Is this true?) |
---|
| 620 | ! Converting from "absolute w" to hag_dot involves |
---|
| 621 | ! adding a term that accounts for the fact that |
---|
| 622 | ! "absolute z" varies on constant "hag" surfaces. |
---|
| 623 | ! This term is [- u*d(oro)/dx - v*d(oro)/dy] |
---|
| 624 | ! |
---|
| 625 | ! The FLEXPART code did not apply the terrain corrections |
---|
| 626 | ! at jy=0 & ny-1; ix=0 & nx-1; iz=1 & nz. |
---|
| 627 | ! FLEXPART_WRF applies the correction at all grid points |
---|
| 628 | !**************************************************************** |
---|
| 629 | |
---|
| 630 | |
---|
| 631 | ! If north pole is in the domain, calculate wind velocities in polar |
---|
| 632 | ! stereographic coordinates |
---|
| 633 | !******************************************************************* |
---|
| 634 | |
---|
| 635 | if (nglobal) then |
---|
| 636 | write(*,*) |
---|
| 637 | write(*,*) '*** stopping in verttransform ***' |
---|
| 638 | write(*,*) ' the nglobal code section should not be active' |
---|
| 639 | write(*,*) |
---|
| 640 | stop |
---|
| 641 | ! do 74 jy=int(switchnorthg)-2,nymin1 |
---|
| 642 | ! ylat=ylat0+real(jy)*dy |
---|
| 643 | ! do 74 ix=0,nxmin1 |
---|
| 644 | ! xlon=xlon0+real(ix)*dx |
---|
| 645 | ! do 74 iz=1,nz |
---|
| 646 | !74 call cc2gll(northpolemap,ylat,xlon,uu(ix,jy,iz,n), |
---|
| 647 | ! + vv(ix,jy,iz,n),uupol(ix,jy,iz,n), |
---|
| 648 | ! + vvpol(ix,jy,iz,n)) |
---|
| 649 | ! |
---|
| 650 | ! |
---|
| 651 | ! do 76 iz=1,nz |
---|
| 652 | ! |
---|
| 653 | !* CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
---|
| 654 | ! xlon=xlon0+real(nx/2-1)*dx |
---|
| 655 | ! xlonr=xlon*pi/180. |
---|
| 656 | ! ffpol=sqrt(uu(nx/2-1,nymin1,iz,n)**2+ |
---|
| 657 | ! & vv(nx/2-1,nymin1,iz,n)**2) |
---|
| 658 | ! if(vv(nx/2-1,nymin1,iz,n).lt.0.) then |
---|
| 659 | ! ddpol=atan(uu(nx/2-1,nymin1,iz,n)/ |
---|
| 660 | ! & vv(nx/2-1,nymin1,iz,n))-xlonr |
---|
| 661 | ! else |
---|
| 662 | ! ddpol=pi+atan(uu(nx/2-1,nymin1,iz,n)/ |
---|
| 663 | ! & vv(nx/2-1,nymin1,iz,n))-xlonr |
---|
| 664 | ! endif |
---|
| 665 | ! if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
---|
| 666 | ! if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
---|
| 667 | ! |
---|
| 668 | !* CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
---|
| 669 | ! xlon=180.0 |
---|
| 670 | ! xlonr=xlon*pi/180. |
---|
| 671 | ! ylat=90.0 |
---|
| 672 | ! uuaux=-ffpol*sin(xlonr+ddpol) |
---|
| 673 | ! vvaux=-ffpol*cos(xlonr+ddpol) |
---|
| 674 | ! call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux, |
---|
| 675 | ! + vvpolaux) |
---|
| 676 | ! |
---|
| 677 | ! jy=nymin1 |
---|
| 678 | ! do 76 ix=0,nxmin1 |
---|
| 679 | ! uupol(ix,jy,iz,n)=uupolaux |
---|
| 680 | ! vvpol(ix,jy,iz,n)=vvpolaux |
---|
| 681 | !76 continue |
---|
| 682 | ! |
---|
| 683 | ! |
---|
| 684 | !* Fix: Set W at pole to the zonally averaged W of the next equator- |
---|
| 685 | !* ward parallel of latitude |
---|
| 686 | ! |
---|
| 687 | ! do 85 iz=1,nz |
---|
| 688 | ! wdummy=0. |
---|
| 689 | ! jy=ny-2 |
---|
| 690 | ! do 80 ix=0,nxmin1 |
---|
| 691 | !80 wdummy=wdummy+ww(ix,jy,iz,n) |
---|
| 692 | ! wdummy=wdummy/real(nx) |
---|
| 693 | ! jy=nymin1 |
---|
| 694 | ! do 85 ix=0,nxmin1 |
---|
| 695 | !85 ww(ix,jy,iz,n)=wdummy |
---|
| 696 | |
---|
| 697 | endif |
---|
| 698 | |
---|
| 699 | |
---|
| 700 | ! If south pole is in the domain, calculate wind velocities in polar |
---|
| 701 | ! stereographic coordinates |
---|
| 702 | !******************************************************************* |
---|
| 703 | |
---|
| 704 | if (sglobal) then |
---|
| 705 | write(*,*) |
---|
| 706 | write(*,*) '*** stopping in verttransform ***' |
---|
| 707 | write(*,*) ' the sglobal code section should not be active' |
---|
| 708 | write(*,*) |
---|
| 709 | stop |
---|
| 710 | ! do 77 jy=0,int(switchsouthg)+3 |
---|
| 711 | ! ylat=ylat0+real(jy)*dy |
---|
| 712 | ! do 77 ix=0,nxmin1 |
---|
| 713 | ! xlon=xlon0+real(ix)*dx |
---|
| 714 | ! do 77 iz=1,nz |
---|
| 715 | !77 call cc2gll(southpolemap,ylat,xlon,uu(ix,jy,iz,n), |
---|
| 716 | ! + vv(ix,jy,iz,n),uupol(ix,jy,iz,n), |
---|
| 717 | ! + vvpol(ix,jy,iz,n)) |
---|
| 718 | ! |
---|
| 719 | ! do 79 iz=1,nz |
---|
| 720 | ! |
---|
| 721 | !* CALCULATE FFPOL, DDPOL FOR CENTRAL GRID POINT |
---|
| 722 | ! xlon=xlon0+real(nx/2-1)*dx |
---|
| 723 | ! xlonr=xlon*pi/180. |
---|
| 724 | ! ffpol=sqrt(uu(nx/2-1,0,iz,n)**2+ |
---|
| 725 | ! & vv(nx/2-1,0,iz,n)**2) |
---|
| 726 | ! if(vv(nx/2-1,0,iz,n).lt.0.) then |
---|
| 727 | ! ddpol=atan(uu(nx/2-1,0,iz,n)/ |
---|
| 728 | ! & vv(nx/2-1,0,iz,n))+xlonr |
---|
| 729 | ! else |
---|
| 730 | ! ddpol=pi+atan(uu(nx/2-1,0,iz,n)/ |
---|
| 731 | ! & vv(nx/2-1,0,iz,n))+xlonr |
---|
| 732 | ! endif |
---|
| 733 | ! if(ddpol.lt.0.) ddpol=2.0*pi+ddpol |
---|
| 734 | ! if(ddpol.gt.2.0*pi) ddpol=ddpol-2.0*pi |
---|
| 735 | ! |
---|
| 736 | !* CALCULATE U,V FOR 180 DEG, TRANSFORM TO POLAR STEREOGRAPHIC GRID |
---|
| 737 | ! xlon=180.0 |
---|
| 738 | ! xlonr=xlon*pi/180. |
---|
| 739 | ! ylat=-90.0 |
---|
| 740 | ! uuaux=+ffpol*sin(xlonr-ddpol) |
---|
| 741 | ! vvaux=-ffpol*cos(xlonr-ddpol) |
---|
| 742 | ! call cc2gll(northpolemap,ylat,xlon,uuaux,vvaux,uupolaux, |
---|
| 743 | ! + vvpolaux) |
---|
| 744 | ! |
---|
| 745 | ! jy=0 |
---|
| 746 | ! do 79 ix=0,nxmin1 |
---|
| 747 | ! uupol(ix,jy,iz,n)=uupolaux |
---|
| 748 | !79 vvpol(ix,jy,iz,n)=vvpolaux |
---|
| 749 | ! |
---|
| 750 | ! |
---|
| 751 | !* Fix: Set W at pole to the zonally averaged W of the next equator- |
---|
| 752 | !* ward parallel of latitude |
---|
| 753 | ! |
---|
| 754 | ! do 95 iz=1,nz |
---|
| 755 | ! wdummy=0. |
---|
| 756 | ! jy=1 |
---|
| 757 | ! do 90 ix=0,nxmin1 |
---|
| 758 | !90 wdummy=wdummy+ww(ix,jy,iz,n) |
---|
| 759 | ! wdummy=wdummy/real(nx) |
---|
| 760 | ! jy=0 |
---|
| 761 | ! do 95 ix=0,nxmin1 |
---|
| 762 | !95 ww(ix,jy,iz,n)=wdummy |
---|
| 763 | endif |
---|
| 764 | |
---|
| 765 | !write (*,*) 'initializing clouds, n:',n,nymin1,nxmin1,nz^M |
---|
| 766 | ! create a cloud and rainout/washout field, clouds occur where rh>80%^M |
---|
| 767 | ! total cloudheight is stored at level 0^M |
---|
| 768 | do 100 jy=0,nymin1 |
---|
| 769 | do 100 ix=0,nxmin1 |
---|
| 770 | ! rain_cloud_above=0 |
---|
| 771 | lsp=lsprec(ix,jy,1,n) |
---|
| 772 | convp=convprec(ix,jy,1,n) |
---|
| 773 | ! cloudsh(ix,jy,n)=0 |
---|
| 774 | |
---|
| 775 | prec=lsp+convp |
---|
| 776 | if (lsp.gt.convp) then ! prectype='lsp' |
---|
| 777 | lconvectprec = .false. |
---|
| 778 | else ! prectype='cp ' |
---|
| 779 | lconvectprec = .true. |
---|
| 780 | endif |
---|
| 781 | rhmin = 0.90 ! standard condition for presence of clouds |
---|
| 782 | |
---|
| 783 | !CPS note that original by Sabine Eckhart was 80% |
---|
| 784 | !CPS however, for T<-20 C we consider saturation over ice |
---|
| 785 | !CPS so I think 90% should be enough |
---|
| 786 | |
---|
| 787 | |
---|
| 788 | icloudbot(ix,jy,n)=icmv |
---|
| 789 | icloudtop=icmv ! this is just a local variable |
---|
| 790 | 98 do kz=1,nz |
---|
| 791 | pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
---|
| 792 | rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
---|
| 793 | !cps if (prec.gt.0.01) print*,'relhum',prec,kz,rh,height(kz) |
---|
| 794 | if (rh .gt. rhmin) then |
---|
| 795 | if (icloudbot(ix,jy,n) .eq. icmv) then |
---|
| 796 | icloudbot(ix,jy,n)=nint(height(kz)) |
---|
| 797 | endif |
---|
| 798 | icloudtop=nint(height(kz)) ! use int to save memory |
---|
| 799 | endif |
---|
| 800 | enddo |
---|
| 801 | |
---|
| 802 | |
---|
| 803 | !CPS try to get a cloud thicker than 50 m |
---|
| 804 | !CPS if there is at least .01 mm/h - changed to 0.002 and put into |
---|
| 805 | !CPS parameter precpmin |
---|
| 806 | if ((icloudbot(ix,jy,n) .eq. icmv .or. & |
---|
| 807 | icloudtop-icloudbot(ix,jy,n) .lt. 50) .and. & |
---|
| 808 | prec .gt. precmin) then |
---|
| 809 | rhmin = rhmin - 0.05 |
---|
| 810 | if (rhmin .ge. 0.30) goto 98 ! give up for <= 25% rel.hum. |
---|
| 811 | endif |
---|
| 812 | !CPS implement a rough fix for badly represented convection |
---|
| 813 | !CPS is based on looking at a limited set of comparison data |
---|
| 814 | if (lconvectprec .and. icloudtop .lt. 6000 .and. & |
---|
| 815 | prec .gt. precmin) then |
---|
| 816 | if (convp .lt. 0.1) then |
---|
| 817 | icloudbot(ix,jy,n) = 500 |
---|
| 818 | icloudtop = 8000 |
---|
| 819 | else |
---|
| 820 | icloudbot(ix,jy,n) = 0 |
---|
| 821 | icloudtop = 10000 |
---|
| 822 | endif |
---|
| 823 | endif |
---|
| 824 | if (icloudtop .ne. icmv) then |
---|
| 825 | icloudthck(ix,jy,n) = icloudtop-icloudbot(ix,jy,n) |
---|
| 826 | else |
---|
| 827 | icloudthck(ix,jy,n) = icmv |
---|
| 828 | endif |
---|
| 829 | !CPS get rid of too thin clouds |
---|
| 830 | if (icloudthck(ix,jy,n) .lt. 50) then |
---|
| 831 | icloudbot(ix,jy,n)=icmv |
---|
| 832 | icloudthck(ix,jy,n)=icmv |
---|
| 833 | endif |
---|
| 834 | |
---|
| 835 | 100 continue |
---|
| 836 | |
---|
| 837 | |
---|
| 838 | |
---|
| 839 | |
---|
| 840 | |
---|
| 841 | |
---|
| 842 | ! do kz_inv=1,nz-1 |
---|
| 843 | ! kz=nz-kz_inv+1 |
---|
| 844 | ! pressure=rho(ix,jy,kz,n)*r_air*tt(ix,jy,kz,n) |
---|
| 845 | ! rh=qv(ix,jy,kz,n)/f_qvsat(pressure,tt(ix,jy,kz,n)) |
---|
| 846 | ! clouds(ix,jy,kz,n)=0 |
---|
| 847 | ! if (rh.gt.0.8) then ! in cloud |
---|
| 848 | ! if ((lsp.gt.0.01).or.(convp.gt.0.01)) then ! cloud and precipitation |
---|
| 849 | ! rain_cloud_above=1 |
---|
| 850 | ! cloudsh(ix,jy,n)=cloudsh(ix,jy,n)+ & |
---|
| 851 | ! height(kz)-height(kz-1) |
---|
| 852 | ! if (lsp.ge.convp) then |
---|
| 853 | ! clouds(ix,jy,kz,n)=3 ! lsp dominated rainout |
---|
| 854 | ! else |
---|
| 855 | ! clouds(ix,jy,kz,n)=2 ! convp dominated rainout |
---|
| 856 | ! endif |
---|
| 857 | ! else ! no precipitation |
---|
| 858 | ! clouds(ix,jy,kz,n)=1 ! cloud |
---|
| 859 | ! endif |
---|
| 860 | ! else ! no cloud |
---|
| 861 | ! if (rain_cloud_above.eq.1) then ! scavenging |
---|
| 862 | ! if (lsp.ge.convp) then |
---|
| 863 | ! clouds(ix,jy,kz,n)=5 ! lsp dominated washout |
---|
| 864 | ! else |
---|
| 865 | ! clouds(ix,jy,kz,n)=4 ! convp dominated washout |
---|
| 866 | ! endif |
---|
| 867 | ! endif |
---|
| 868 | ! endif |
---|
| 869 | ! end do |
---|
| 870 | ! end do |
---|
| 871 | ! end do |
---|
| 872 | |
---|
| 873 | |
---|
| 874 | end subroutine verttransform |
---|