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|
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#include "ctrparam.h" |
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|
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! ============================================================ |
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! |
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! CHEMAIRMASS.F: Subroutine for calculating air mass |
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! in 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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! 122095 Chien Wang rev. |
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! 080200 Chien Wang repack based on CliChem3 & add cpp |
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! 051804 Chien Wang rev. |
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! |
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! ========================================================== |
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|
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! ========================= |
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Subroutine chemairmass(p) |
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! ========================= |
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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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|
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! ---------------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c------------------------------- |
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c Calculate air mass: |
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c |
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do k=1,nlev |
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do i=1,n2dh |
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airmass(i,1,k) = airmass0(i,1,k)*p(i,1) |
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end do |
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end do |
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|
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#endif |
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|
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return |
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end |
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|
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! ================================ |
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Subroutine chemmass1(x11,xtotal) |
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! ================================ |
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|
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c==================================================================c |
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c c |
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c CHEMMASS1.F: Subroutine for calculating total amount (mass) c |
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c of tracers in MIT Global Chemistry Model c |
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c ------------------------------------------------- c |
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c Author: Chien Wang c |
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c MIT Joint Program on Science and Policy c |
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c of Global Change c |
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c Last Revised on: August 8, 1995 c |
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c c |
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c==================================================================c |
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|
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#include "chem_para" |
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#include "chem_com" |
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|
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dimension x11 (nlon,nlat,nlev) |
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|
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! -------------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c------------------------------- |
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c Calculate total amount of tracer: |
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c |
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xtotal = 0.0 |
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do i=1,n3d |
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xtotal = xtotal |
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& + airmass(i,1,1) |
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& * x11(i,1,1) |
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end do |
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|
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#endif |
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|
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return |
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end |
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|
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! ======================================= |
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Subroutine chemmass2(adjcoe,x11,xtotal) |
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! ======================================= |
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|
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c==================================================================c |
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c c |
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c CHEMMASS2.F: Subroutine for conpensating mass loss during c |
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c simulation based on unified mapping c |
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c in MIT Global Chemistry Model c |
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c ------------------------------------------------- c |
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c Author: Chien Wang c |
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c MIT Joint Program on Science and Policy c |
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c of Global Change c |
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c Last Revised on: September 15, 1995 c |
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c c |
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c==================================================================c |
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|
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#include "chem_para" |
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#include "chem_com" |
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|
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dimension x11 (nlon,nlat,nlev) |
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|
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! ------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c--------------------------- |
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c Readjust tracer's mass: |
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c |
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xtotal2 = 0.0 |
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do i=1,n3d |
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xtotal2 = xtotal2 |
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& + airmass(i,1,1) |
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& * x11(i,1,1) |
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end do |
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|
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xgain = (xtotal-xtotal2) |
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if(xgain.gt.0) xgain = xgain*adjcoe |
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|
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xratio = xgain |
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& /float(nlat*nlev) |
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|
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do i=1,n3d |
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x11(i,1,1) = max(0.0,x11(i,1,1) |
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& + xratio/airmass(i,1,1)) |
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end do |
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|
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#endif |
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|
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return |
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end |
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|
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! ======================================= |
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Subroutine chemmass3(adjcoe,x11,xtotal) |
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! ======================================= |
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|
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c==================================================================c |
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c c |
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c CHEMMASS3.F: Subroutine for conpensating mass loss during c |
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c simulation based on unified mapping c |
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c in MIT Global Chemistry Model c |
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c Old chemmass2 |
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c ------------------------------------------------- c |
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c Author: Chien Wang c |
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c MIT Joint Program on Science and Policy c |
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c of Global Change c |
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c Last Revised on: September 15, 1995 c |
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c c |
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c==================================================================c |
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|
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#include "chem_para" |
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#include "chem_com" |
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|
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dimension x11 (nlon,nlat,nlev) |
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|
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! ------------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c--------------------------- |
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c Readjust tracer's mass: |
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c |
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xtotal2 = 0.0 |
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do i=1,n3d |
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xtotal2 = xtotal2 |
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& + airmass(i,1,1) |
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& * x11(i,1,1) |
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end do |
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|
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xgain = (xtotal-xtotal2)*adjcoe |
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c if(xgain.gt.0) xgain = xgain*adjcoe |
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|
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xratio = xgain |
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& /float(nlat*nlev) |
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|
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do i=1,n3d |
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x11(i,1,1) = max(0.0,x11(i,1,1) |
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& + xratio/airmass(i,1,1)) |
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end do |
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|
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#endif |
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|
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return |
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end |
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|
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! ======================================= |
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Subroutine chemmass4(adjcoe,x11,xtotal) |
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! ======================================= |
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|
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c==================================================================c |
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c c |
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c CHEMMASS4.F: Subroutine for conpensating mass loss during c |
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c simulation based on unified mass mapping c |
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c plus N.H. extra share due to lbc loss c |
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c in MIT Global Chemistry Model c |
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c ------------------------------------------------- c |
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c Author: Chien Wang c |
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c MIT Joint Program on Science and Policy c |
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c of Global Change c |
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c Last Revised on: August 8, 1995 c |
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c c |
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c==================================================================c |
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|
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#include "chem_para" |
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#include "chem_com" |
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|
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dimension x11 (nlon,nlat,nlev) |
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|
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! ---------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c--------------------------- |
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c Readjust tracer's mass: |
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c |
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xtotal2 = 0.0 |
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do i=1,n3d |
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xtotal2 = xtotal2 |
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& + airmass(i,1,1) |
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& * x11(i,1,1) |
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end do |
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|
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xxx = (xtotal-xtotal2) |
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& /float(nlat*nlev) |
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|
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xratio = xxx |
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& *adjcoe |
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|
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xratio2= xxx |
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& *(1.0-adjcoe)/144. |
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|
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do i=1,n3d |
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x11(i,1,1) = x11(i,1,1) |
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& + xratio/airmass(i,1,1) |
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end do |
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|
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i=1 |
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ntropics = nlat/2 |
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do k=1,n_tropopause |
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do j=ntropics+1,nlat1 |
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x11(i,j,k) |
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& = x11(i,j,k) |
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& +(float(ntropics-j))**2 |
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& *xratio2/airmass(i,j,k) |
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end do |
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end do |
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|
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#endif |
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|
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return |
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end |
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|
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! ============================================= |
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Subroutine chemmass6(adjyr,adjcoe,x11,xtotal) |
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! ============================================= |
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|
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c==================================================================c |
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c c |
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c CHEMMASS2.F: Subroutine for conpensating mass loss during c |
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c simulation based on unified mapping c |
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c and take away lossed mass directly according c |
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c to the tropospheric life time c |
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c in MIT Global Chemistry Model c |
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c ------------------------------------------------- c |
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c Author: Chien Wang c |
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c MIT Joint Program on Science and Policy c |
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c of Global Change c |
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c Last Revised on: September 15, 1995 c |
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c c |
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c==================================================================c |
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|
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#include "chem_para" |
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#include "chem_com" |
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|
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dimension x11 (nlon,nlat,nlev) |
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|
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! ---------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c--------------------------- |
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c Readjust tracer's mass: |
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c |
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xtotal2 = 0.0 |
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do i=1,n3d |
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xtotal2 = xtotal2 |
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& + airmass(i,1,1) |
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& * x11(i,1,1) |
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end do |
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|
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xloss = xtotal/(adjyr*8760.) !8760 = 365d x 24h |
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! and adjyr is in yr |
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xgain = (xtotal-xtotal2) |
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if(xgain.gt.0) xgain = xgain*adjcoe |
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|
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xratio =( xgain |
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& - xloss ) |
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& /float(nlat*nlev) |
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|
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do i=1,n3d |
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x11(i,1,1) = max(0.0, x11(i,1,1) |
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& + xratio/airmass(i,1,1)) |
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end do |
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|
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#endif |
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|
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return |
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end |
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|
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! ============================================== |
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Subroutine chemmass66(adjyr,adjcoe,x11,xtotal) |
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! ============================================== |
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|
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c==================================================================c |
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c c |
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c CHEMMASS2.F: Subroutine for conpensating mass loss during c |
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c simulation based on unified mapping c |
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c and take away lossed mass directly according c |
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c to the tropospheric life time c |
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c in MIT Global Chemistry Model c |
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c ------------------------------------------------- c |
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c Author: Chien Wang c |
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c MIT Joint Program on Science and Policy c |
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c of Global Change c |
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c Last Revised on: July 23, 1997 c |
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c c |
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c==================================================================c |
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|
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#include "chem_para" |
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#include "chem_com" |
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|
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dimension x11 (nlon,nlat,nlev) |
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|
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! ---------------------------------------------------- |
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|
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#if ( defined CPL_CHEM ) |
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|
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c--------------------------- |
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c Readjust tracer's mass: |
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c |
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c ====== |
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c 102596 |
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c close this ocean sink to use ocean model calculate co2 uptake |
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! |
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! --- 080200 reopen under the cpp parameter |
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! |
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#if ( !defined CPL_OCEANCO2 ) |
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tropmass = 28.97296245*1.e-3/44.009 |
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co2ref = 275./tropmass |
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& /(adjyr*8760.) ! 8760 = 365d x 24h |
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! and adjyr is in yr |
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#endif |
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|
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xtotal2 = 0.0 |
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do i=1,n3d |
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xtotal2 = xtotal2 |
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& + airmass(i,1,1) |
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& * x11(i,1,1) |
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end do |
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|
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c 072397: |
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c 101300: |
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#if ( !defined CPL_TEM ) |
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xloss = bio_uptake *4.185692e17 ! GTC/yr to 10-9kg/hr |
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#else |
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xloss = 0.0 |
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#endif |
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|
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#if ( !defined CPL_OCEANCO2 ) |
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& + xtotal/(adjyr*8760.) |
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#endif |
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|
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xgain = (xtotal-xtotal2) |
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if(xgain.gt.0) xgain = xgain*adjcoe |
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|
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xratio =( xgain |
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& - xloss ) |
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& /float(nlat*nlev) |
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|
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do i=1,n3d |
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x11(i,1,1) = x11(i,1,1) |
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& + xratio/airmass(i,1,1) |
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#if ( !defined CPL_OCEANCO2 ) |
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& + co2ref |
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#endif |
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if ( x11(i,1,1) .le. 0.0 ) x11(i,1,1) = 0.0 |
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|
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end do |
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|
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#endif |
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|
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return |
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end |
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|