Changeset 5f9d14a in flexpart.git for src/wetdepo.f90
- Timestamp:
- Apr 8, 2015, 2:23:27 PM (9 years ago)
- Branches:
- master, 10.4.1_pesei, GFS_025, bugfixes+enhancements, dev, release-10, release-10.4.1, scaling-bug, univie
- Children:
- 1585284
- Parents:
- cd85138
- File:
-
- 1 edited
-
src/wetdepo.f90 (modified) (11 diffs)
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src/wetdepo.f90
r8a65cb0 r5f9d14a 79 79 real :: wetdeposit(maxspec),restmass 80 80 real,parameter :: smallnum = tiny(0.0) ! smallest number that can be handled 81 save lfr,cfr82 83 real :: lfr(5) = (/ 0.5,0.65,0.8,0.9,0.95/)84 real :: cfr(5) = (/ 0.4,0.55,0.7,0.8,0.9 /)81 !save lfr,cfr 82 83 real, parameter :: lfr(5) = (/ 0.5,0.65,0.8,0.9,0.95/) 84 real, parameter :: cfr(5) = (/ 0.4,0.55,0.7,0.8,0.9 /) 85 85 86 86 !ZHG aerosol below-cloud scavenging removal polynomial constants for rain and snow 87 real :: bclr(6) = (/274.35758, 332839.59273, 226656.57259, 58005.91340, 6588.38582, 0.244984/) !rain (Laakso et al 2003)88 real :: bcls(6) = (/22.7, 0.0, 0.0, 1321.0, 381.0, 0.0/) !now (Kyro et al 2009)87 real, parameter :: bclr(6) = (/274.35758, 332839.59273, 226656.57259, 58005.91340, 6588.38582, 0.244984/) !rain (Laakso et al 2003) 88 real, parameter :: bcls(6) = (/22.7, 0.0, 0.0, 1321.0, 381.0, 0.0/) !now (Kyro et al 2009) 89 89 real :: frac_act, liq_frac, dquer_m 90 90 … … 159 159 !******************************************************************** 160 160 interp_time=nint(itime-0.5*ltsample) 161 161 162 162 if (ngrid.eq.0) then 163 163 call interpol_rain(lsprec,convprec,tcc,nxmax,nymax, & … … 171 171 172 172 ! If total precipitation is less than 0.01 mm/h - no scavenging occurs 173 173 if ((lsp.lt.0.01).and.(convp.lt.0.01)) goto 20 174 174 175 175 ! get the level were the actual particle is in … … 231 231 232 232 233 !ZHG calculated for 1) both 2) lsp 3) convp233 !ZHG calculated for 1) both 2) lsp 3) convp 234 234 grfraction(1)=max(0.05,cc*(lsp*lfr(i)+convp*cfr(j))/(lsp+convp)) 235 235 grfraction(2)=max(0.05,cc*(lfr(i))) … … 252 252 wetscav=0. 253 253 254 if (ngrid.gt.0) then255 act_temp=ttn(ix,jy,hz,n,ngrid)256 else257 act_temp=tt(ix,jy,hz,n)258 endif254 if (ngrid.gt.0) then 255 act_temp=ttn(ix,jy,hz,n,ngrid) 256 else 257 act_temp=tt(ix,jy,hz,n) 258 endif 259 259 260 260 … … 264 264 if (clouds_v.ge.4) then !below cloud 265 265 266 267 266 if (weta(ks).gt.0. .or. wetb(ks).gt.0) then !if positive below-cloud parameters given in SPECIES file (either A or B) 267 blc_count=blc_count+1 268 268 269 269 !GAS 270 271 !Gas scavenging coefficient based on Hertel et al 1995 using the below-cloud scavenging parameters A (=weta) and B (=wetb) from SPECIES file270 if (dquer(ks) .le. 0.) then !is gas 271 ! Gas scavenging coefficient based on Hertel et al 1995 using the below-cloud scavenging parameters A (=weta) and B (=wetb) from SPECIES file 272 272 wetscav=weta(ks)*prec(1)**wetb(ks) 273 273 274 !AEROSOL275 276 277 278 279 280 281 282 283 284 285 (log10(dquer_m))**(-2))+ (bclr(5)*(log10(dquer_m))**(-1))+ bclr(6)* (prec(1))**(0.5))286 287 288 289 290 291 (log10(dquer_m))**(-2))+ (bcls(5)*(log10(dquer_m))**(-1))+ bcls(6)* (prec(1))**(0.5))292 293 endif274 !AEROSOL 275 else !is particle 276 !NIK 17.02.2015 277 ! For the calculation here particle size needs to be in meter and not um as dquer is changed to in readreleases 278 dquer_m=dquer(ks)/1000000. !conversion from um to m 279 280 !ZHG snow or rain removal is applied based on the temperature. 281 if (act_temp .ge. 273) then !Rain 282 283 !Particle RAIN scavenging coefficient based on Laakso et al 2003, the below-cloud scavenging (rain efficienty) parameter A (=weta) from SPECIES file 284 wetscav= weta(ks)*10**(bclr(1)+ (bclr(2)*(log10(dquer_m))**(-4))+(bclr(3)*(log10(dquer_m))**(-3))+ (bclr(4)* & 285 (log10(dquer_m))**(-2))+ (bclr(5)*(log10(dquer_m))**(-1))+ bclr(6)* (prec(1))**(0.5)) 286 287 elseif (act_temp .lt. 273) then !snow 288 289 !Particle SNOW scavenging coefficient based on Kyro et al 2009, the below-cloud scavenging (Snow efficiency) parameter B (=wetb) from SPECIES file 290 wetscav= wetb(ks)*10**(bcls(1)+ (bcls(2)*(log10(dquer_m))**(-4))+(bcls(3)*(log10(dquer_m))**(-3))+ (bcls(4)* & 291 (log10(dquer_m))**(-2))+ (bcls(5)*(log10(dquer_m))**(-1))+ bcls(6)* (prec(1))**(0.5)) 292 293 endif 294 294 295 295 ! write(*,*) 'bl-cloud, act_temp=',act_temp, ',prec=',prec(1),',wetscav=', wetscav, ', jpart=',jpart 296 296 297 298 297 endif !gas or particle 298 endif ! positive below-cloud scavenging parameters given in Species file 299 299 endif !end below-cloud 300 300 … … 305 305 if (clouds_v.lt.4) then !in-cloud 306 306 307 inc_count=inc_count+1 308 309 !ZHG liquid water parameterization (CLWC+CIWC) 310 if (readclouds) then !get cloud water clwc & ciwc units Kg/Kg 311 cl=clwc(ix,jy,hz,n)+ciwc(ix,jy,hz,n) 312 else !parameterize cloudwater 313 cl=2E-7*prec(1)**0.36 307 inc_count=inc_count+1 308 309 !ZHG liquid water parameterization (CLWC+CIWC) 310 if (readclouds) then !get cloud water clwc & ciwc units Kg/Kg 311 cl=clwc(ix,jy,hz,n)+ciwc(ix,jy,hz,n) 312 else !parameterize cloudwater 313 cl=2E-7*prec(1)**0.36 314 endif 315 316 ! AEROSOL 317 if (dquer(ks).gt. 0.) then ! is particle 318 if (act_temp .le. 253) then 319 liq_frac=0 320 else if (act_temp .ge. 273) then 321 liq_frac=1 322 else 323 liq_frac =((act_temp-273)/(273-253))**2 314 324 endif 315 325 316 ! AEROSOL 317 if (dquer(ks).gt. 0.) then ! is particle 318 if (act_temp .le. 253) then 319 liq_frac=0 320 else if (act_temp .ge. 273) then 321 liq_frac=1 322 else 323 liq_frac =((act_temp-273)/(273-253))**2 324 endif 325 326 !ZHG calculate the activated fraction based on the In-cloud scavenging parameters Ai (=weta_in) and Bi (=wetb_in) from SPECIES file 327 ! frac_act is the combined IN and CCN efficiency 328 ! The default values are 0.9 for CCN and 0.1 IN 329 ! This parameterization is based on Verheggen et al. (2007) & Cozich et al. (2006) 330 frac_act = liq_frac*weta_in(ks) +(1-liq_frac)*wetb_in(ks) 326 ! ZHG calculate the activated fraction based on the In-cloud scavenging parameters Ai (=weta_in) and Bi (=wetb_in) from SPECIES file 327 ! frac_act is the combined IN and CCN efficiency 328 ! The default values are 0.9 for CCN and 0.1 IN 329 ! This parameterization is based on Verheggen et al. (2007) & Cozich et al. (2006) 330 frac_act = liq_frac*weta_in(ks) +(1-liq_frac)*wetb_in(ks) 331 331 332 333 334 335 ! GAS336 337 338 339 340 341 342 332 !ZHG Use the activated fraction and the liqid water to calculate the washout 333 S_i= frac_act/cl 334 335 ! GAS 336 else ! is gas 337 cle=(1-cl)/(henry(ks)*(r_air/3500.)*act_temp)+cl 338 S_i=1/cle 339 endif 340 341 ! scavenging coefficient based on Hertel et al 1995 - using the S_i for either gas or aerosol 342 wetscav=S_i*(prec(1)/3.6E6)/clouds_h 343 343 344 344 ! write(*,*) 'in-cloud, act_temp=',act_temp,',prec=',prec(1),',wetscav=',wetscav,',jpart=',jpart,',clouds_h=,', & … … 346 346 347 347 endif !incloud 348 348 349 349 !************************************************** 350 350 ! CALCULATE DEPOSITION … … 355 355 if (wetscav.gt.0.) then 356 356 wetdeposit(ks)=xmass1(jpart,ks)* & 357 (1.-exp(-wetscav*abs(ltsample)))*grfraction(1) ! wet deposition357 (1.-exp(-wetscav*abs(ltsample)))*grfraction(1) ! wet deposition 358 358 else ! if no scavenging 359 359 wetdeposit(ks)=0. … … 389 389 if (ldirect.eq.1) then 390 390 call wetdepokernel(nclass(jpart),wetdeposit,real(xtra1(jpart)), & 391 real(ytra1(jpart)),nage,kp)391 real(ytra1(jpart)),nage,kp) 392 392 if (nested_output.eq.1) call wetdepokernel_nest(nclass(jpart), & 393 wetdeposit,real(xtra1(jpart)),real(ytra1(jpart)),nage,kp)393 wetdeposit,real(xtra1(jpart)),real(ytra1(jpart)),nage,kp) 394 394 endif 395 395 … … 397 397 end do ! all particles 398 398 399 ! count the total number of below-cloud and in-cloud occurences:400 401 399 ! count the total number of below-cloud and in-cloud occurences: 400 tot_blc_count=tot_blc_count+blc_count 401 tot_inc_count=tot_inc_count+inc_count 402 402 403 403 end subroutine wetdepo
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