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jscott |
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#include "ctrparam.h" |
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! ============================================================ |
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! |
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! CHEMTROP0.F: Interface for subroutine CHEMTROP.F |
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! of MIT Global Chemistry Model |
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! |
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! ------------------------------------------------------------ |
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! |
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! Author: Chien Wang |
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! MIT Joint Program on Science and Policy |
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! of Global Change |
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! |
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! ---------------------------------------------------------- |
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! |
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! Revision History: |
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! |
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! When Who What |
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! ---- ---------- ------- |
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! 052300 Chien Wang rev. |
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! 080200 Chien Wang repack based on CliChem3 & add cpp |
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! 092801 Chien Wang add bc and oc |
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! 093001 Chien Wang add S(VI) RH dependency |
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! 051904 Chien Wang rev. |
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! |
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! ========================================================== |
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! |
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subroutine chemtrop0(ifss, pT, qv, dtr, nloop) |
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! ============================================= |
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#include "chem_para" |
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#include "chem_com" |
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#include "BD2G04.COM" |
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common U,V,T,P,Q |
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dimension pT (nlon,nlat,nlev) |
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dimension Temp(nlon,nlat,nlev) |
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dimension qv (nlon,nlat,nlev) |
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dimension den (nlon,nlat,nlev) |
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dimension rh (nlon,nlat,nlev) |
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dimension tmp_co (nlon,nlat,nlev) |
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dimension tmp_ch4 (nlon,nlat,nlev) |
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dimension tmp_o3 (nlon,nlat,nlev) |
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dimension tmp_svi (nlon,nlat,nlev) |
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dimension tmp_no (nlon,nlat,nlev) |
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dimension tmp_no2 (nlon,nlat,nlev) |
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dimension tmp_nv (nlon,nlat,nlev) |
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dimension tmp_ch2o(nlon,nlat,nlev) |
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! -------------------------------------------- |
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#if ( defined CPL_CHEM ) |
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ktrop = n_tropopause |
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c === 032697 |
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c === add diagnostic procedure: |
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c |
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do k=1,ktrop |
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do j=1,nlat |
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tmp_co (1,j,k) = co (1,j,k) |
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tmp_ch4 (1,j,k) = ch4 (1,j,k) |
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tmp_o3 (1,j,k) = o3 (1,j,k) |
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tmp_svi (1,j,k) = h2so4(1,j,k) |
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tmp_no (1,j,k) = xno (1,j,k) |
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tmp_no2 (1,j,k) = xno2 (1,j,k) |
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tmp_nv (1,j,k) = hno3 (1,j,k) |
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tmp_ch2o(1,j,k) = ch2o (1,j,k) |
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enddo |
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enddo |
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c--------- |
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c Note the T from |
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c main.f is a fraction of potential temprerature |
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c |
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do k = 1, nlev |
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do j = 1,n2dh |
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airptmp1 = (sig(k)*p(1,j) + 10.0) |
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Temp(1,j,k) = T(1,j,k)*airptmp1**0.286 |
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den(1,j,k) = airptmp1/(2.87*Temp(1,j,k)) |
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rh (1,j,k) = 3.80/airpress(k) |
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& *exp(17.67*(Temp(1,j,k) - 273.15) |
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& /(Temp(1,j,k) - 29.65)) |
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rh (1,j,k) = qv(1,j,k)/rh(1,j,k)*100.0 |
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end do |
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end do |
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c do 2 ntime =1,nloop |
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call chemtrop(dtr, 0, ktrop, Temp, qv, den) |
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c2 continue |
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c === 032697 |
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c === add diagnostic procedure: |
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c |
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do k=1,ktrop |
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do j=1,nlat |
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photo_co (1,j,k) = photo_co (1,j,k) |
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& + (co (1,j,k) - tmp_co (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_ch4 (1,j,k) = photo_ch4 (1,j,k) |
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& + (ch4 (1,j,k) - tmp_ch4 (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_o3 (1,j,k) = photo_o3 (1,j,k) |
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& + (o3 (1,j,k) - tmp_o3 (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_svi (1,j,k) = photo_svi (1,j,k) |
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& + (h2so4(1,j,k) - tmp_svi (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_no (1,j,k) = photo_no (1,j,k) |
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& + (xno (1,j,k) - tmp_no (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_no2 (1,j,k) = photo_no2 (1,j,k) |
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& + (xno2 (1,j,k) - tmp_no2 (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_nv (1,j,k) = photo_nv (1,j,k) |
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& + (hno3 (1,j,k) - tmp_nv (1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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photo_ch2o (1,j,k) = photo_ch2o(1,j,k) |
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& + (ch2o (1,j,k) - tmp_ch2o(1,j,k)) |
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& *airmass(1,j,k)*1.e-18 !TGspecies |
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enddo |
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enddo |
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i = 1 |
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do j=1,nlat |
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sviod(i,j,nlev ) = 0.0 |
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sviod(i,j,nlev1) = 0.0 |
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bcod (i,j,nlev ) = 0.0 |
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bcod (i,j,nlev1) = 0.0 |
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ocod (i,j,nlev ) = 0.0 |
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ocod (i,j,nlev1) = 0.0 |
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end do |
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do k=nlev1,1,-1 |
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do j=1,nlat |
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! ===== |
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! Calculate optical depth of S(VI) aerosols: |
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! ref. Charlson et al., 1992 |
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! |
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! Qex*f(rh) = 5.0*1.7 for rh = 80% |
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!qex_svi = 8.5e-6/dxyp(j) |
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! |
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! === add frh based on calculated rh |
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if ( rh(i,j,k) .le. 60.0 ) then |
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frh = 1.0 |
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else if ( rh(i,j,k) .ge. 80.0 ) then |
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frh = 2.8 |
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else |
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frh = rh(i,j,k) |
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frh = -9.2906106183 |
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& + frh*(0.52570211505 |
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& + frh*(-0.0089285760691+5.0877212432e-05*frh)) |
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end if |
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qex_svi = 5.0e-6*frh/dxyp(j) |
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& |
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! === bc |
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! Qex*f(rh) = 9.0*1.0 (550 micron) |
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qex_bc = 8.0e-6/dxyp(j) ! normal |
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!qex_bc = 11.0e-6/dxyp(j) ! high |
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! === oc |
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! Qex*f(rh) = 6.8*1.0 (550 micron), assume rh factor |
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qex_oc = 6.8e-6/dxyp(j) |
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sviod(i,j,k) = sviod(i,j,k+1) |
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& + airmass(i,j,k)*h2so4(i,j,k)*qex_svi |
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! if( j.eq.33.and.k.eq.1) then |
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! print *,airmass(i,j,k),rh(i,j,k),qex_svi |
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! print *,h2so4(i,j,k),sviod(i,j,k+1),sviod(i,j,k) |
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! endif |
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bcod(i,j,k) = bcod(i,j,k+1) |
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& + airmass(i,j,k)*bcarbon(i,j,k)*qex_bc |
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ocod(i,j,k) = ocod(i,j,k+1) |
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& + airmass(i,j,k)*ocarbon(i,j,k)*qex_oc |
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end do |
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end do |
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#endif |
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return |
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end |
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