[92fab65] | 1 | ! SPDX-FileCopyrightText: FLEXPART 1998-2019, see flexpart_license.txt |
---|
| 2 | ! SPDX-License-Identifier: GPL-3.0-or-later |
---|
[332fbbd] | 3 | |
---|
[e200b7a] | 4 | subroutine boundcond_domainfill(itime,loutend) |
---|
| 5 | ! i i |
---|
| 6 | !***************************************************************************** |
---|
| 7 | ! * |
---|
| 8 | ! Particles are created by this subroutine continuously throughout the * |
---|
| 9 | ! simulation at the boundaries of the domain-filling box. * |
---|
| 10 | ! All particles carry the same amount of mass which alltogether comprises the* |
---|
| 11 | ! mass of air within the box, which remains (more or less) constant. * |
---|
| 12 | ! * |
---|
| 13 | ! Author: A. Stohl * |
---|
| 14 | ! * |
---|
| 15 | ! 16 October 2002 * |
---|
| 16 | ! * |
---|
| 17 | !***************************************************************************** |
---|
| 18 | ! * |
---|
| 19 | ! Variables: * |
---|
| 20 | ! * |
---|
| 21 | ! nx_we(2) grid indices for western and eastern boundary of domain- * |
---|
| 22 | ! filling trajectory calculations * |
---|
| 23 | ! ny_sn(2) grid indices for southern and northern boundary of domain- * |
---|
| 24 | ! filling trajectory calculations * |
---|
| 25 | ! * |
---|
| 26 | !***************************************************************************** |
---|
| 27 | |
---|
| 28 | use point_mod |
---|
| 29 | use par_mod |
---|
| 30 | use com_mod |
---|
[8a65cb0] | 31 | use random_mod, only: ran1 |
---|
[e200b7a] | 32 | |
---|
| 33 | implicit none |
---|
| 34 | |
---|
[8a65cb0] | 35 | real :: dz,dz1,dz2,dt1,dt2,dtt,ylat,xm,cosfact,accmasst |
---|
[e200b7a] | 36 | integer :: itime,in,indz,indzp,i,loutend |
---|
| 37 | integer :: j,k,ix,jy,m,indzh,indexh,minpart,ipart,mmass |
---|
| 38 | integer :: numactiveparticles |
---|
| 39 | |
---|
| 40 | real :: windl(2),rhol(2) |
---|
| 41 | real :: windhl(2),rhohl(2) |
---|
| 42 | real :: windx,rhox |
---|
| 43 | real :: deltaz,boundarea,fluxofmass |
---|
| 44 | |
---|
| 45 | integer :: ixm,ixp,jym,jyp,indzm,mm |
---|
| 46 | real :: pvpart,ddx,ddy,rddx,rddy,p1,p2,p3,p4,y1(2),yh1(2) |
---|
| 47 | |
---|
| 48 | integer :: idummy = -11 |
---|
| 49 | |
---|
| 50 | |
---|
| 51 | ! If domain-filling is global, no boundary conditions are needed |
---|
| 52 | !*************************************************************** |
---|
| 53 | |
---|
| 54 | if (gdomainfill) return |
---|
| 55 | |
---|
| 56 | accmasst=0. |
---|
| 57 | numactiveparticles=0 |
---|
| 58 | |
---|
| 59 | ! Terminate trajectories that have left the domain, if domain-filling |
---|
| 60 | ! trajectory calculation domain is not global |
---|
| 61 | !******************************************************************** |
---|
| 62 | |
---|
| 63 | do i=1,numpart |
---|
| 64 | if (itra1(i).eq.itime) then |
---|
| 65 | if ((ytra1(i).gt.real(ny_sn(2))).or. & |
---|
| 66 | (ytra1(i).lt.real(ny_sn(1)))) itra1(i)=-999999999 |
---|
| 67 | if (((.not.xglobal).or.(nx_we(2).ne.(nx-2))).and. & |
---|
| 68 | ((xtra1(i).lt.real(nx_we(1))).or. & |
---|
| 69 | (xtra1(i).gt.real(nx_we(2))))) itra1(i)=-999999999 |
---|
| 70 | endif |
---|
| 71 | if (itra1(i).ne.-999999999) numactiveparticles= & |
---|
| 72 | numactiveparticles+1 |
---|
| 73 | end do |
---|
| 74 | |
---|
| 75 | |
---|
| 76 | ! Determine auxiliary variables for time interpolation |
---|
| 77 | !***************************************************** |
---|
| 78 | |
---|
| 79 | dt1=real(itime-memtime(1)) |
---|
| 80 | dt2=real(memtime(2)-itime) |
---|
| 81 | dtt=1./(dt1+dt2) |
---|
| 82 | |
---|
| 83 | ! Initialize auxiliary variable used to search for vacant storage space |
---|
| 84 | !********************************************************************** |
---|
| 85 | |
---|
| 86 | minpart=1 |
---|
| 87 | |
---|
| 88 | !*************************************** |
---|
| 89 | ! Western and eastern boundary condition |
---|
| 90 | !*************************************** |
---|
| 91 | |
---|
| 92 | ! Loop from south to north |
---|
| 93 | !************************* |
---|
| 94 | |
---|
| 95 | do jy=ny_sn(1),ny_sn(2) |
---|
| 96 | |
---|
| 97 | ! Loop over western (index 1) and eastern (index 2) boundary |
---|
| 98 | !*********************************************************** |
---|
| 99 | |
---|
| 100 | do k=1,2 |
---|
| 101 | |
---|
| 102 | ! Loop over all release locations in a column |
---|
| 103 | !******************************************** |
---|
| 104 | |
---|
| 105 | do j=1,numcolumn_we(k,jy) |
---|
| 106 | |
---|
| 107 | ! Determine, for each release location, the area of the corresponding boundary |
---|
| 108 | !***************************************************************************** |
---|
| 109 | |
---|
| 110 | if (j.eq.1) then |
---|
| 111 | deltaz=(zcolumn_we(k,jy,2)+zcolumn_we(k,jy,1))/2. |
---|
| 112 | else if (j.eq.numcolumn_we(k,jy)) then |
---|
| 113 | ! deltaz=height(nz)-(zcolumn_we(k,jy,j-1)+ |
---|
| 114 | ! + zcolumn_we(k,jy,j))/2. |
---|
| 115 | ! In order to avoid taking a very high column for very many particles, |
---|
| 116 | ! use the deltaz from one particle below instead |
---|
| 117 | deltaz=(zcolumn_we(k,jy,j)-zcolumn_we(k,jy,j-2))/2. |
---|
| 118 | else |
---|
| 119 | deltaz=(zcolumn_we(k,jy,j+1)-zcolumn_we(k,jy,j-1))/2. |
---|
| 120 | endif |
---|
| 121 | if ((jy.eq.ny_sn(1)).or.(jy.eq.ny_sn(2))) then |
---|
| 122 | boundarea=deltaz*111198.5/2.*dy |
---|
| 123 | else |
---|
| 124 | boundarea=deltaz*111198.5*dy |
---|
| 125 | endif |
---|
| 126 | |
---|
| 127 | |
---|
| 128 | ! Interpolate the wind velocity and density to the release location |
---|
| 129 | !****************************************************************** |
---|
| 130 | |
---|
| 131 | ! Determine the model level below the release position |
---|
| 132 | !***************************************************** |
---|
| 133 | |
---|
| 134 | do i=2,nz |
---|
| 135 | if (height(i).gt.zcolumn_we(k,jy,j)) then |
---|
| 136 | indz=i-1 |
---|
| 137 | indzp=i |
---|
| 138 | goto 6 |
---|
| 139 | endif |
---|
| 140 | end do |
---|
| 141 | 6 continue |
---|
| 142 | |
---|
| 143 | ! Vertical distance to the level below and above current position |
---|
| 144 | !**************************************************************** |
---|
| 145 | |
---|
| 146 | dz1=zcolumn_we(k,jy,j)-height(indz) |
---|
| 147 | dz2=height(indzp)-zcolumn_we(k,jy,j) |
---|
| 148 | dz=1./(dz1+dz2) |
---|
| 149 | |
---|
| 150 | ! Vertical and temporal interpolation |
---|
| 151 | !************************************ |
---|
| 152 | |
---|
| 153 | do m=1,2 |
---|
| 154 | indexh=memind(m) |
---|
| 155 | do in=1,2 |
---|
| 156 | indzh=indz+in-1 |
---|
| 157 | windl(in)=uu(nx_we(k),jy,indzh,indexh) |
---|
| 158 | rhol(in)=rho(nx_we(k),jy,indzh,indexh) |
---|
| 159 | end do |
---|
| 160 | |
---|
| 161 | windhl(m)=(dz2*windl(1)+dz1*windl(2))*dz |
---|
| 162 | rhohl(m)=(dz2*rhol(1)+dz1*rhol(2))*dz |
---|
| 163 | end do |
---|
| 164 | |
---|
| 165 | windx=(windhl(1)*dt2+windhl(2)*dt1)*dtt |
---|
| 166 | rhox=(rhohl(1)*dt2+rhohl(2)*dt1)*dtt |
---|
| 167 | |
---|
| 168 | ! Calculate mass flux |
---|
| 169 | !******************** |
---|
| 170 | |
---|
| 171 | fluxofmass=windx*rhox*boundarea*real(lsynctime) |
---|
| 172 | |
---|
| 173 | |
---|
| 174 | ! If the mass flux is directed into the domain, add it to previous mass fluxes; |
---|
| 175 | ! if it is out of the domain, set accumulated mass flux to zero |
---|
| 176 | !****************************************************************************** |
---|
| 177 | |
---|
| 178 | if (k.eq.1) then |
---|
| 179 | if (fluxofmass.ge.0.) then |
---|
| 180 | acc_mass_we(k,jy,j)=acc_mass_we(k,jy,j)+fluxofmass |
---|
| 181 | else |
---|
| 182 | acc_mass_we(k,jy,j)=0. |
---|
| 183 | endif |
---|
| 184 | else |
---|
| 185 | if (fluxofmass.le.0.) then |
---|
| 186 | acc_mass_we(k,jy,j)=acc_mass_we(k,jy,j)+abs(fluxofmass) |
---|
| 187 | else |
---|
| 188 | acc_mass_we(k,jy,j)=0. |
---|
| 189 | endif |
---|
| 190 | endif |
---|
| 191 | accmasst=accmasst+acc_mass_we(k,jy,j) |
---|
| 192 | |
---|
| 193 | ! If the accumulated mass exceeds half the mass that each particle shall carry, |
---|
| 194 | ! one (or more) particle(s) is (are) released and the accumulated mass is |
---|
| 195 | ! reduced by the mass of this (these) particle(s) |
---|
| 196 | !****************************************************************************** |
---|
| 197 | |
---|
| 198 | if (acc_mass_we(k,jy,j).ge.xmassperparticle/2.) then |
---|
| 199 | mmass=int((acc_mass_we(k,jy,j)+xmassperparticle/2.)/ & |
---|
| 200 | xmassperparticle) |
---|
| 201 | acc_mass_we(k,jy,j)=acc_mass_we(k,jy,j)- & |
---|
| 202 | real(mmass)*xmassperparticle |
---|
| 203 | else |
---|
| 204 | mmass=0 |
---|
| 205 | endif |
---|
| 206 | |
---|
| 207 | do m=1,mmass |
---|
| 208 | do ipart=minpart,maxpart |
---|
| 209 | |
---|
| 210 | ! If a vacant storage space is found, attribute everything to this array element |
---|
| 211 | !***************************************************************************** |
---|
| 212 | |
---|
| 213 | if (itra1(ipart).ne.itime) then |
---|
| 214 | |
---|
| 215 | ! Assign particle positions |
---|
| 216 | !************************** |
---|
| 217 | |
---|
| 218 | xtra1(ipart)=real(nx_we(k)) |
---|
| 219 | if (jy.eq.ny_sn(1)) then |
---|
| 220 | ytra1(ipart)=real(jy)+0.5*ran1(idummy) |
---|
| 221 | else if (jy.eq.ny_sn(2)) then |
---|
| 222 | ytra1(ipart)=real(jy)-0.5*ran1(idummy) |
---|
| 223 | else |
---|
| 224 | ytra1(ipart)=real(jy)+(ran1(idummy)-.5) |
---|
| 225 | endif |
---|
| 226 | if (j.eq.1) then |
---|
| 227 | ztra1(ipart)=zcolumn_we(k,jy,1)+(zcolumn_we(k,jy,2)- & |
---|
| 228 | zcolumn_we(k,jy,1))/4. |
---|
| 229 | else if (j.eq.numcolumn_we(k,jy)) then |
---|
| 230 | ztra1(ipart)=(2.*zcolumn_we(k,jy,j)+ & |
---|
| 231 | zcolumn_we(k,jy,j-1)+height(nz))/4. |
---|
| 232 | else |
---|
| 233 | ztra1(ipart)=zcolumn_we(k,jy,j-1)+ran1(idummy)* & |
---|
| 234 | (zcolumn_we(k,jy,j+1)-zcolumn_we(k,jy,j-1)) |
---|
| 235 | endif |
---|
| 236 | |
---|
| 237 | ! Interpolate PV to the particle position |
---|
| 238 | !**************************************** |
---|
| 239 | ixm=int(xtra1(ipart)) |
---|
| 240 | jym=int(ytra1(ipart)) |
---|
| 241 | ixp=ixm+1 |
---|
| 242 | jyp=jym+1 |
---|
| 243 | ddx=xtra1(ipart)-real(ixm) |
---|
| 244 | ddy=ytra1(ipart)-real(jym) |
---|
| 245 | rddx=1.-ddx |
---|
| 246 | rddy=1.-ddy |
---|
| 247 | p1=rddx*rddy |
---|
| 248 | p2=ddx*rddy |
---|
| 249 | p3=rddx*ddy |
---|
| 250 | p4=ddx*ddy |
---|
| 251 | do i=2,nz |
---|
| 252 | if (height(i).gt.ztra1(ipart)) then |
---|
| 253 | indzm=i-1 |
---|
| 254 | indzp=i |
---|
| 255 | goto 26 |
---|
| 256 | endif |
---|
| 257 | end do |
---|
| 258 | 26 continue |
---|
| 259 | dz1=ztra1(ipart)-height(indzm) |
---|
| 260 | dz2=height(indzp)-ztra1(ipart) |
---|
| 261 | dz=1./(dz1+dz2) |
---|
| 262 | do mm=1,2 |
---|
| 263 | indexh=memind(mm) |
---|
| 264 | do in=1,2 |
---|
| 265 | indzh=indzm+in-1 |
---|
| 266 | y1(in)=p1*pv(ixm,jym,indzh,indexh) & |
---|
| 267 | +p2*pv(ixp,jym,indzh,indexh) & |
---|
| 268 | +p3*pv(ixm,jyp,indzh,indexh) & |
---|
| 269 | +p4*pv(ixp,jyp,indzh,indexh) |
---|
| 270 | end do |
---|
| 271 | yh1(mm)=(dz2*y1(1)+dz1*y1(2))*dz |
---|
| 272 | end do |
---|
| 273 | pvpart=(yh1(1)*dt2+yh1(2)*dt1)*dtt |
---|
| 274 | ylat=ylat0+ytra1(ipart)*dy |
---|
| 275 | if (ylat.lt.0.) pvpart=-1.*pvpart |
---|
| 276 | |
---|
| 277 | |
---|
| 278 | ! For domain-filling option 2 (stratospheric O3), do the rest only in the stratosphere |
---|
| 279 | !***************************************************************************** |
---|
| 280 | |
---|
| 281 | if (((ztra1(ipart).gt.3000.).and. & |
---|
| 282 | (pvpart.gt.pvcrit)).or.(mdomainfill.eq.1)) then |
---|
| 283 | nclass(ipart)=min(int(ran1(idummy)* & |
---|
| 284 | real(nclassunc))+1,nclassunc) |
---|
| 285 | numactiveparticles=numactiveparticles+1 |
---|
| 286 | numparticlecount=numparticlecount+1 |
---|
| 287 | npoint(ipart)=numparticlecount |
---|
| 288 | idt(ipart)=mintime |
---|
| 289 | itra1(ipart)=itime |
---|
| 290 | itramem(ipart)=itra1(ipart) |
---|
| 291 | itrasplit(ipart)=itra1(ipart)+ldirect*itsplit |
---|
| 292 | xmass1(ipart,1)=xmassperparticle |
---|
| 293 | if (mdomainfill.eq.2) xmass1(ipart,1)= & |
---|
| 294 | xmass1(ipart,1)*pvpart*48./29.*ozonescale/10.**9 |
---|
| 295 | else |
---|
| 296 | goto 71 |
---|
| 297 | endif |
---|
| 298 | |
---|
| 299 | |
---|
| 300 | ! Increase numpart, if necessary |
---|
| 301 | !******************************* |
---|
| 302 | |
---|
| 303 | numpart=max(numpart,ipart) |
---|
| 304 | goto 73 ! Storage space has been found, stop searching |
---|
| 305 | endif |
---|
| 306 | end do |
---|
| 307 | if (ipart.gt.maxpart) & |
---|
| 308 | stop 'boundcond_domainfill.f: too many particles required' |
---|
| 309 | 73 minpart=ipart+1 |
---|
| 310 | 71 continue |
---|
| 311 | end do |
---|
| 312 | |
---|
| 313 | |
---|
| 314 | end do |
---|
| 315 | end do |
---|
| 316 | end do |
---|
| 317 | |
---|
| 318 | |
---|
| 319 | !***************************************** |
---|
| 320 | ! Southern and northern boundary condition |
---|
| 321 | !***************************************** |
---|
| 322 | |
---|
| 323 | ! Loop from west to east |
---|
| 324 | !*********************** |
---|
| 325 | |
---|
| 326 | do ix=nx_we(1),nx_we(2) |
---|
| 327 | |
---|
| 328 | ! Loop over southern (index 1) and northern (index 2) boundary |
---|
| 329 | !************************************************************* |
---|
| 330 | |
---|
| 331 | do k=1,2 |
---|
| 332 | ylat=ylat0+real(ny_sn(k))*dy |
---|
| 333 | cosfact=cos(ylat*pi180) |
---|
| 334 | |
---|
| 335 | ! Loop over all release locations in a column |
---|
| 336 | !******************************************** |
---|
| 337 | |
---|
| 338 | do j=1,numcolumn_sn(k,ix) |
---|
| 339 | |
---|
| 340 | ! Determine, for each release location, the area of the corresponding boundary |
---|
| 341 | !***************************************************************************** |
---|
| 342 | |
---|
| 343 | if (j.eq.1) then |
---|
| 344 | deltaz=(zcolumn_sn(k,ix,2)+zcolumn_sn(k,ix,1))/2. |
---|
| 345 | else if (j.eq.numcolumn_sn(k,ix)) then |
---|
| 346 | ! deltaz=height(nz)-(zcolumn_sn(k,ix,j-1)+ |
---|
| 347 | ! + zcolumn_sn(k,ix,j))/2. |
---|
| 348 | ! In order to avoid taking a very high column for very many particles, |
---|
| 349 | ! use the deltaz from one particle below instead |
---|
| 350 | deltaz=(zcolumn_sn(k,ix,j)-zcolumn_sn(k,ix,j-2))/2. |
---|
| 351 | else |
---|
| 352 | deltaz=(zcolumn_sn(k,ix,j+1)-zcolumn_sn(k,ix,j-1))/2. |
---|
| 353 | endif |
---|
| 354 | if ((ix.eq.nx_we(1)).or.(ix.eq.nx_we(2))) then |
---|
| 355 | boundarea=deltaz*111198.5/2.*cosfact*dx |
---|
| 356 | else |
---|
| 357 | boundarea=deltaz*111198.5*cosfact*dx |
---|
| 358 | endif |
---|
| 359 | |
---|
| 360 | |
---|
| 361 | ! Interpolate the wind velocity and density to the release location |
---|
| 362 | !****************************************************************** |
---|
| 363 | |
---|
| 364 | ! Determine the model level below the release position |
---|
| 365 | !***************************************************** |
---|
| 366 | |
---|
| 367 | do i=2,nz |
---|
| 368 | if (height(i).gt.zcolumn_sn(k,ix,j)) then |
---|
| 369 | indz=i-1 |
---|
| 370 | indzp=i |
---|
| 371 | goto 16 |
---|
| 372 | endif |
---|
| 373 | end do |
---|
| 374 | 16 continue |
---|
| 375 | |
---|
| 376 | ! Vertical distance to the level below and above current position |
---|
| 377 | !**************************************************************** |
---|
| 378 | |
---|
| 379 | dz1=zcolumn_sn(k,ix,j)-height(indz) |
---|
| 380 | dz2=height(indzp)-zcolumn_sn(k,ix,j) |
---|
| 381 | dz=1./(dz1+dz2) |
---|
| 382 | |
---|
| 383 | ! Vertical and temporal interpolation |
---|
| 384 | !************************************ |
---|
| 385 | |
---|
| 386 | do m=1,2 |
---|
| 387 | indexh=memind(m) |
---|
| 388 | do in=1,2 |
---|
| 389 | indzh=indz+in-1 |
---|
| 390 | windl(in)=vv(ix,ny_sn(k),indzh,indexh) |
---|
| 391 | rhol(in)=rho(ix,ny_sn(k),indzh,indexh) |
---|
| 392 | end do |
---|
| 393 | |
---|
| 394 | windhl(m)=(dz2*windl(1)+dz1*windl(2))*dz |
---|
| 395 | rhohl(m)=(dz2*rhol(1)+dz1*rhol(2))*dz |
---|
| 396 | end do |
---|
| 397 | |
---|
| 398 | windx=(windhl(1)*dt2+windhl(2)*dt1)*dtt |
---|
| 399 | rhox=(rhohl(1)*dt2+rhohl(2)*dt1)*dtt |
---|
| 400 | |
---|
| 401 | ! Calculate mass flux |
---|
| 402 | !******************** |
---|
| 403 | |
---|
| 404 | fluxofmass=windx*rhox*boundarea*real(lsynctime) |
---|
| 405 | |
---|
| 406 | ! If the mass flux is directed into the domain, add it to previous mass fluxes; |
---|
| 407 | ! if it is out of the domain, set accumulated mass flux to zero |
---|
| 408 | !****************************************************************************** |
---|
| 409 | |
---|
| 410 | if (k.eq.1) then |
---|
| 411 | if (fluxofmass.ge.0.) then |
---|
| 412 | acc_mass_sn(k,ix,j)=acc_mass_sn(k,ix,j)+fluxofmass |
---|
| 413 | else |
---|
| 414 | acc_mass_sn(k,ix,j)=0. |
---|
| 415 | endif |
---|
| 416 | else |
---|
| 417 | if (fluxofmass.le.0.) then |
---|
| 418 | acc_mass_sn(k,ix,j)=acc_mass_sn(k,ix,j)+abs(fluxofmass) |
---|
| 419 | else |
---|
| 420 | acc_mass_sn(k,ix,j)=0. |
---|
| 421 | endif |
---|
| 422 | endif |
---|
| 423 | accmasst=accmasst+acc_mass_sn(k,ix,j) |
---|
| 424 | |
---|
| 425 | ! If the accumulated mass exceeds half the mass that each particle shall carry, |
---|
| 426 | ! one (or more) particle(s) is (are) released and the accumulated mass is |
---|
| 427 | ! reduced by the mass of this (these) particle(s) |
---|
| 428 | !****************************************************************************** |
---|
| 429 | |
---|
| 430 | if (acc_mass_sn(k,ix,j).ge.xmassperparticle/2.) then |
---|
| 431 | mmass=int((acc_mass_sn(k,ix,j)+xmassperparticle/2.)/ & |
---|
| 432 | xmassperparticle) |
---|
| 433 | acc_mass_sn(k,ix,j)=acc_mass_sn(k,ix,j)- & |
---|
| 434 | real(mmass)*xmassperparticle |
---|
| 435 | else |
---|
| 436 | mmass=0 |
---|
| 437 | endif |
---|
| 438 | |
---|
| 439 | do m=1,mmass |
---|
| 440 | do ipart=minpart,maxpart |
---|
| 441 | |
---|
| 442 | ! If a vacant storage space is found, attribute everything to this array element |
---|
| 443 | !***************************************************************************** |
---|
| 444 | |
---|
| 445 | if (itra1(ipart).ne.itime) then |
---|
| 446 | |
---|
| 447 | ! Assign particle positions |
---|
| 448 | !************************** |
---|
| 449 | |
---|
| 450 | ytra1(ipart)=real(ny_sn(k)) |
---|
| 451 | if (ix.eq.nx_we(1)) then |
---|
| 452 | xtra1(ipart)=real(ix)+0.5*ran1(idummy) |
---|
| 453 | else if (ix.eq.nx_we(2)) then |
---|
| 454 | xtra1(ipart)=real(ix)-0.5*ran1(idummy) |
---|
| 455 | else |
---|
| 456 | xtra1(ipart)=real(ix)+(ran1(idummy)-.5) |
---|
| 457 | endif |
---|
| 458 | if (j.eq.1) then |
---|
| 459 | ztra1(ipart)=zcolumn_sn(k,ix,1)+(zcolumn_sn(k,ix,2)- & |
---|
| 460 | zcolumn_sn(k,ix,1))/4. |
---|
| 461 | else if (j.eq.numcolumn_sn(k,ix)) then |
---|
| 462 | ztra1(ipart)=(2.*zcolumn_sn(k,ix,j)+ & |
---|
| 463 | zcolumn_sn(k,ix,j-1)+height(nz))/4. |
---|
| 464 | else |
---|
| 465 | ztra1(ipart)=zcolumn_sn(k,ix,j-1)+ran1(idummy)* & |
---|
| 466 | (zcolumn_sn(k,ix,j+1)-zcolumn_sn(k,ix,j-1)) |
---|
| 467 | endif |
---|
| 468 | |
---|
| 469 | |
---|
| 470 | ! Interpolate PV to the particle position |
---|
| 471 | !**************************************** |
---|
| 472 | ixm=int(xtra1(ipart)) |
---|
| 473 | jym=int(ytra1(ipart)) |
---|
| 474 | ixp=ixm+1 |
---|
| 475 | jyp=jym+1 |
---|
| 476 | ddx=xtra1(ipart)-real(ixm) |
---|
| 477 | ddy=ytra1(ipart)-real(jym) |
---|
| 478 | rddx=1.-ddx |
---|
| 479 | rddy=1.-ddy |
---|
| 480 | p1=rddx*rddy |
---|
| 481 | p2=ddx*rddy |
---|
| 482 | p3=rddx*ddy |
---|
| 483 | p4=ddx*ddy |
---|
| 484 | do i=2,nz |
---|
| 485 | if (height(i).gt.ztra1(ipart)) then |
---|
| 486 | indzm=i-1 |
---|
| 487 | indzp=i |
---|
| 488 | goto 126 |
---|
| 489 | endif |
---|
| 490 | end do |
---|
| 491 | 126 continue |
---|
| 492 | dz1=ztra1(ipart)-height(indzm) |
---|
| 493 | dz2=height(indzp)-ztra1(ipart) |
---|
| 494 | dz=1./(dz1+dz2) |
---|
| 495 | do mm=1,2 |
---|
| 496 | indexh=memind(mm) |
---|
| 497 | do in=1,2 |
---|
| 498 | indzh=indzm+in-1 |
---|
| 499 | y1(in)=p1*pv(ixm,jym,indzh,indexh) & |
---|
| 500 | +p2*pv(ixp,jym,indzh,indexh) & |
---|
| 501 | +p3*pv(ixm,jyp,indzh,indexh) & |
---|
| 502 | +p4*pv(ixp,jyp,indzh,indexh) |
---|
| 503 | end do |
---|
| 504 | yh1(mm)=(dz2*y1(1)+dz1*y1(2))*dz |
---|
| 505 | end do |
---|
| 506 | pvpart=(yh1(1)*dt2+yh1(2)*dt1)*dtt |
---|
| 507 | if (ylat.lt.0.) pvpart=-1.*pvpart |
---|
| 508 | |
---|
| 509 | |
---|
| 510 | ! For domain-filling option 2 (stratospheric O3), do the rest only in the stratosphere |
---|
| 511 | !***************************************************************************** |
---|
| 512 | |
---|
| 513 | if (((ztra1(ipart).gt.3000.).and. & |
---|
| 514 | (pvpart.gt.pvcrit)).or.(mdomainfill.eq.1)) then |
---|
| 515 | nclass(ipart)=min(int(ran1(idummy)* & |
---|
| 516 | real(nclassunc))+1,nclassunc) |
---|
| 517 | numactiveparticles=numactiveparticles+1 |
---|
| 518 | numparticlecount=numparticlecount+1 |
---|
| 519 | npoint(ipart)=numparticlecount |
---|
| 520 | idt(ipart)=mintime |
---|
| 521 | itra1(ipart)=itime |
---|
| 522 | itramem(ipart)=itra1(ipart) |
---|
| 523 | itrasplit(ipart)=itra1(ipart)+ldirect*itsplit |
---|
| 524 | xmass1(ipart,1)=xmassperparticle |
---|
| 525 | if (mdomainfill.eq.2) xmass1(ipart,1)= & |
---|
| 526 | xmass1(ipart,1)*pvpart*48./29.*ozonescale/10.**9 |
---|
| 527 | else |
---|
| 528 | goto 171 |
---|
| 529 | endif |
---|
| 530 | |
---|
| 531 | |
---|
| 532 | ! Increase numpart, if necessary |
---|
| 533 | !******************************* |
---|
| 534 | numpart=max(numpart,ipart) |
---|
| 535 | goto 173 ! Storage space has been found, stop searching |
---|
| 536 | endif |
---|
| 537 | end do |
---|
| 538 | if (ipart.gt.maxpart) & |
---|
| 539 | stop 'boundcond_domainfill.f: too many particles required' |
---|
| 540 | 173 minpart=ipart+1 |
---|
| 541 | 171 continue |
---|
| 542 | end do |
---|
| 543 | |
---|
| 544 | |
---|
| 545 | end do |
---|
| 546 | end do |
---|
| 547 | end do |
---|
| 548 | |
---|
| 549 | |
---|
| 550 | xm=0. |
---|
| 551 | do i=1,numpart |
---|
| 552 | if (itra1(i).eq.itime) xm=xm+xmass1(i,1) |
---|
| 553 | end do |
---|
| 554 | |
---|
| 555 | !write(*,*) itime,numactiveparticles,numparticlecount,numpart, |
---|
| 556 | ! +xm,accmasst,xm+accmasst |
---|
| 557 | |
---|
| 558 | |
---|
| 559 | ! If particles shall be dumped, then accumulated masses at the domain boundaries |
---|
| 560 | ! must be dumped, too, to be used for later runs |
---|
| 561 | !***************************************************************************** |
---|
| 562 | |
---|
| 563 | if ((ipout.gt.0).and.(itime.eq.loutend)) then |
---|
| 564 | open(unitboundcond,file=path(2)(1:length(2))//'boundcond.bin', & |
---|
| 565 | form='unformatted') |
---|
| 566 | write(unitboundcond) numcolumn_we,numcolumn_sn, & |
---|
| 567 | zcolumn_we,zcolumn_sn,acc_mass_we,acc_mass_sn |
---|
| 568 | close(unitboundcond) |
---|
| 569 | endif |
---|
| 570 | |
---|
| 571 | end subroutine boundcond_domainfill |
---|