lec19 (1) - CH 4 Observational Sites (1996-2001) R. G....

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Unformatted text preview: CH 4 Observational Sites (1996-2001) R. G. Prinn,12.806: Atmospheric Physics & Chemistry, April 20, 2006 (c) Methane Simulations using MATCH: Y. Chen, Ph.D. Thesis, MIT,2004, contd. Ref: Chen & Prinn, J. Geophys. Res., 2005, doi:10.1029/2004JD005542 Reference Simulation (color) vs. Observed (black) CH 4 at 5 AGAGE Sites MATCH Simulates Effects of ENSO Transport on CH 4 at Samoa AGAGE observations versus MATCH model at Samoa El Nino winds La Nina winds MIRROR PLOT MIRROR PLOT Chen & Prinn, J. Geophys. Res., in press, 2005 MATCH simulates effect of North Atlantic Oscillation on CH 4 AGAGE Observations versus MATCH Model at MaceHead, Ireland NAO plus NAO minus MIRROR PLOT MIRROR PLOT DMS SO 2 H 2 SO 4 DMSO DMSO 2 MSA cloud droplet CCN CN oxidation oxidation nucleation condensation condensation growth oxidation condensation activation evaporation condensation evaporation (d) Dimethyl Sulfide-Aerosol Connections DMS is CH 3 SCH 3 MSA is CH 3 SO 2 OH = gas-phase = aerosol/cloud Ref: D. Lucas, Ph.D. Thesis, 2003, http://web.mit.edu/cgcs/, CGCS Report # 71, Also: Lucas & Prinn, J.G.R., 2002; G.R.L., 2003; A.C.P., 2005; J.G.R., 2005 Motivation for new chemical mechanisms...
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This note was uploaded on 11/27/2011 for the course CHEMICAL E 20.410j taught by Professor Rogerd.kamm during the Spring '03 term at MIT.

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lec19 (1) - CH 4 Observational Sites (1996-2001) R. G....

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