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! ============================================================ |
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! |
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! CHEM_COM: An include file consists of COMMONs describing |
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! mixing ratios of chemical species |
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! for MIT Global Chemistry Model |
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! |
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! For version higher or equal to 2.05 |
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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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! 052200 Chien Wang add new meta components |
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! 073100 Chien Wang repack based on CliChem3 & M24x11, |
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! and add cpp. |
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! 091100 Chien Wang add definition of o3top for N_LEV 11 |
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! 112800 Chien Wang add extra edaily for meta particles |
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! 121800 Chien Wang change 124 to nyrchem |
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! 092001 Chien Wang add black carbon (bcarbon) and |
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! organic carbon (ocarbon) |
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! |
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! ========================================================== |
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|
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c---------------------------------------------------------- |
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c Brief descriptions of variables: |
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c (subscript t represents value at previous time step) |
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c |
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c cfc11: Mixing ratio of cfc11 |
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c cfc110: Temp space for cfc11 calculation |
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c cfc11m: Monthly averaged cfc11 concentration |
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c cfc11sd: Total amount of stratospheric deduction |
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c |
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|
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common /chem1/ |
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& cfc11 (nlon,nlat,nlev),cfc110 (nlon,nlat,nlev), |
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& cfc11m (nlon,nlat,nlev), |
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& cfc11sd, |
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& cfc12 (nlon,nlat,nlev),cfc12m (nlon,nlat,nlev), |
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& cfc12sd, |
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& xn2o (nlon,nlat,nlev),xn2om (nlon,nlat,nlev), |
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& xn2osd |
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C#if ( defined CPL_CHEM ) |
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& , hfc134a (nlon,nlat,nlev),hfc134am (nlon,nlat,nlev), |
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& pfc (nlon,nlat,nlev),pfcm (nlon,nlat,nlev), |
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& sf6 (nlon,nlat,nlev),sf6m (nlon,nlat,nlev), |
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& bcarbon (nlon,nlat,nlev),bcm (nlon,nlat,nlev), |
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& ocarbon (nlon,nlat,nlev),ocm (nlon,nlat,nlev), |
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& bcod (nlon,nlat,nlev),bcodm (nlon,nlat,nlev), |
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& ocod (nlon,nlat,nlev),ocodm (nlon,nlat,nlev) |
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C#endif |
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|
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common /chem2/ |
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& atomo (nlon,nlat,nlev), |
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& o1d (nlon,nlat,nlev), |
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& o3 (nlon,nlat,nlev),o3m (nlon,nlat,nlev), |
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& co (nlon,nlat,nlev),com (nlon,nlat,nlev), |
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& zco2 (nlon,nlat,nlev),zco2m (nlon,nlat,nlev), |
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& atomh (nlon,nlat,nlev), |
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& ho (nlon,nlat,nlev), |
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& ho2 (nlon,nlat,nlev),hoxm (nlon,nlat,nlev), |
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& h2o2 (nlon,nlat,nlev), |
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& xno (nlon,nlat,nlev), |
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& xno2 (nlon,nlat,nlev),xnoxm (nlon,nlat,nlev), |
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& xno3 (nlon,nlat,nlev), |
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& xn2o5 (nlon,nlat,nlev),xnoym (nlon,nlat,nlev), |
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& hno3 (nlon,nlat,nlev), |
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& ch4 (nlon,nlat,nlev),ch4m (nlon,nlat,nlev), |
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& ch3 (nlon,nlat,nlev), |
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& cho (nlon,nlat,nlev), |
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& ch2o (nlon,nlat,nlev), |
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& ch3o (nlon,nlat,nlev), |
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& ch3o2 (nlon,nlat,nlev), |
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& ch3o2h (nlon,nlat,nlev), |
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& so2 (nlon,nlat,nlev),so2m (nlon,nlat,nlev), |
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& hoso2 (nlon,nlat,nlev), |
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& so3 (nlon,nlat,nlev), |
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& h2so4 (nlon,nlat,nlev),h2so4m (nlon,nlat,nlev), |
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& sviod (nlon,nlat,nlev),sviodm (nlon,nlat,nlev) |
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|
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c---------------------------------------------------------- |
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c 083195: |
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c global averaged profiles for trace gases: |
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c |
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c 1 CO2 |
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c 2 N2O |
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c 3 CH4 |
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c 4 F11 |
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c 5 F12 |
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c |
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common /glbgas/glbgas(nlev,5) |
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|
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c---------------------------------------------------------- |
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c airmass: air mass |
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c airmass0: airmass/surface pressure, constant |
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c |
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|
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common /airmass/airmass0(nlon,nlat,nlev), |
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& airmass (nlon,nlat,nlev) |
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|
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c---------------------------------------------------------- |
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c cmass: mass exchange due to convections |
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c defined start from k=1 at k=2 of w layer |
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c |
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common /cmass/cmass(nlon,nlat,nlev) |
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|
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c---------------------------------------------------------- |
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c ifghgpredict: 1 for on-line, 0 for off-line |
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c ifaerpredict: 1 for aerosol, 0 for no aerosl |
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c in radiative forcing: |
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c |
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common /chempar/FAERSOL,FBC |
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|
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|
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c---------------------------------------------------------- |
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c Brief descriptions of variables: |
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c p00, p11: pai |
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c pvv: pai*v |
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c fkt: k of theta |
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c |
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c meddy1: index for eddy calculation |
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c monthstep: number of cumulative steps in a month |
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|
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#if ( defined CPL_CHEM ) |
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common /chem_tmp1/p00(nlon,nlat), |
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& p11(nlon,nlat), |
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& p4chem0(nlon,nlat), |
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& p4chem1(nlon,nlat), |
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& pvv(nlon,nlat,nlev), |
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& pww(nlon,nlat,nlev) |
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|
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common /chem_tmp2/fkt (nlat,nlev), |
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& beta1 (nlat), |
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& beta2 (nlat), |
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& beta3 (nlat,nlev), |
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& beta4 (nlat,nlev), |
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& deltap(nlat,nlev), |
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& dp2dz (nlat,nlev) |
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|
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common /chem_tmp3/meddy1 |
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|
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c 013096 add myyear and mymonth before monthstep |
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|
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common /chem_tmp4/myyear,mymonth,monthstep |
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|
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#if ( N_LEV == 9 ) |
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c 051598 monthly mean o3 at top, k=1,2 - nlev1,nlev: |
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common /chem_tmp5/o3top (nlat,2,12) |
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#endif |
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#if ( N_LEV == 11 ) |
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common /chem_tmp5/o3top (nlat,4,12) |
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#endif |
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#endif |
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|
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c---------------------------------------------------------- |
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c edailyx: daily emission amount of species x as functions |
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c of latitude and integration year, from |
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c 1977 to 2100 (124 year in total). |
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c ehpbl: ratio of the 3rd vertical layer contribution |
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c |
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c chemlight |
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c xnoxltnt: annual NO production by lightning |
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c xnoxltnm: percentage amount of monthly production |
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c xnoxltnd: latitudinal distribution of NO production |
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c by lightning (also function of month) |
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c |
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#if ( defined CPL_CHEM ) |
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common /chememi/edailyf11 (nlon,nlat,nchemyr), |
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& edailyf12 (nlon,nlat,nchemyr), |
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& edailyn2o (nlon,nlat,nchemyr), |
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& edailyco (nlon,nlat,nchemyr), |
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& edailynox (nlon,nlat,nchemyr), |
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& edailych4 (nlon,nlat,nchemyr), |
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& edailyso2 (nlon,nlat,nchemyr), |
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& edailyco2 (nlon,nlat,nchemyr), |
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& edailyhfc134a (nlon,nlat,nchemyr), |
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& edailypfc (nlon,nlat,nchemyr), |
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& edailysf6 (nlon,nlat,nchemyr), |
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& edailyuco (nlon,nlat,nchemyr), |
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& edailyunmv (nlon,nlat,nchemyr), |
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& edailyunox (nlon,nlat,nchemyr), |
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& edailyusox (nlon,nlat,nchemyr), |
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& edailybc (nlon,nlat,nchemyr), |
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& edailynh3 (nlon,nlat,nchemyr), |
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& edailyoc (nlon,nlat,nchemyr), |
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& edailyubc (nlon,nlat,nchemyr), |
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& edailyunh3 (nlon,nlat,nchemyr), |
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& edailyuoc (nlon,nlat,nchemyr), |
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& ehpbl (nlon,nlat) |
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|
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common /chemlight/xnoxltnt(nchemyr), |
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& xnoxltnm(12), |
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& xnoxltnd(nlon,nlat,12) |
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#endif |
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|
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c---------------------------------------------------------- |
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c Brief descriptions of variables: |
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c |
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c ispecdata: ratio of radiative flux in a given |
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c wavelength interval to total flux |
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c in 1/nm; subscript represent wavelength |
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c directly in nm. |
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c |
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c airpress: air pressure at each vertical layer for using |
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c in photochemical simulation |
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c |
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c solarflux: solar flux in w/m^2 |
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c |
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|
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#if ( defined CPL_CHEM ) |
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common /rateconst/rk(nract) |
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|
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common /specdata/specdata(201:800) |
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|
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common /airpress/airpress(nlev) |
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|
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common /solarf/solarflux(nlon,nlat,nlev),coszangle(nlon,nlat) |
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|
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c --- 090295 |
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c rktable1 is the main table storing photochemical |
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c reaction rate or associated formulae as |
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c FUNCTION OF TEMPERATURE with interval of 0.5 |
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c degree STARTED FROM 200.5 K to 300 K (300 elements) |
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c for the nract-th reaction |
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c |
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c rktable2 is a additional table storing rk13, 15, & 20's |
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c rt00 formulae indexed as: |
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c 1 for rk(13) |
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c 2 for rk(15) |
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c 3 for rk(20) |
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|
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common /rktable/rktable1(34,300), |
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& rktable2(3,300) |
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|
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c --- 042596 |
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c rktable3 includes photorates parameter for rk(1),rk(8), |
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c rk(17), rk(24), and rk(26), as well as cos znith angle: |
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c zangle = 0, 10, 20, 30, 40, 50, 60, 70, 78, 86 |
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c |
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common /rktable3/cosza4rk(10), |
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& rk08gama(10), |
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& rk08aaa (10), |
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& rk01table(10), |
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& rk17table(10), |
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& rk24table(10), |
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& rk26table(10) |
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|
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|
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c---------------------------------------------------------- |
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c Brief descriptions of variables: |
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c |
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c ddep: Dry deposition speed in sigma/second |
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c ddepref: Working array for zero speed species |
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c |
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|
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common /cdrydep/ |
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& ddepo3 (nlon,nlat), |
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& ddeph2o2 (nlon,nlat), |
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& ddepno (nlon,nlat), |
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& ddepno2 (nlon,nlat), |
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& ddepn2o5 (nlon,nlat), |
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& ddephno3 (nlon,nlat), |
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& ddepch3o2h(nlon,nlat), |
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& ddepbc (nlon,nlat), |
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& ddepoc (nlon,nlat), |
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& ddepref (nlon,nlat) |
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|
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c---------------------------------------------------------- |
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c Brief descriptions of variables: |
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c |
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c photo_species: diagnostic photochemical production |
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c - monthly accumulated value in TGspecies |
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c |
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common /photodiag/ |
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& photo_co (nlon,nlat,nlev), |
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& photo_ch4 (nlon,nlat,nlev), |
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& photo_o3 (nlon,nlat,nlev), |
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& photo_svi (nlon,nlat,nlev), |
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& photo_no (nlon,nlat,nlev), |
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& photo_no2 (nlon,nlat,nlev), |
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& photo_nv (nlon,nlat,nlev), |
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& photo_ch2o(nlon,nlat,nlev) |
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#endif |
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|
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c---------------------------------------------------------- |
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c Brief descriptions of variables: |
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c |
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c chem_contr_para: control parameters for chemistry |
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c model, mainly through chem.nml in cheminit.f |
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c bio_uptake: biospheric uptake of co2 in Gt |
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c svi_intensity: S(VI) aerosol forcing intensity |
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c ifcalairmass: calculate airmass (1) or not (0) |
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c if_3gases: if include hfc, pfc, and sf6 (1) or not (0) |
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C if_o3rad: if use predicted o3 inr adiation (1) or not (0) |
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c |
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common /chem_contr_para/bio_uptake, |
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& svi_intensity, |
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& nhr_for_chem, |
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& if_3gases, |
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& if_o3rad |
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|
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c --------------------------------------------------------- |
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c Brief descriptions of variables: |
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c |
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c chem_cldss: = cldss as large-scale cloud coverage (0:1) |
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c chem_cldmc: = cldmc as convective cloud coverage (0:1) |
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c |
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common /chem_clouds/chem_cldss(nlon,nlat,nlev), |
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& chem_cldmc(nlon,nlat,nlev) |
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|
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c---------------------------------------------------------- |
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c added for inclusion of ozone and sulfate albedo forcings |
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common /o3dev/o3dev(nlon,nlat,nlev+3) |
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