MERCURY RESEARCH CONTRIBUTIONS

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Presentation transcript:

MERCURY RESEARCH CONTRIBUTIONS UNEP Fate & Transport Partnership Washington, D.C. October 10, 2007

Outline of Programs Transboundary import Upper elevation monitoring – Mt. Bachelor, Oregon Aircraft plume tracking (aircraft of opportunity) Tracking across North America (prop.) Western mountain station (prop.) METAALICUS Model development, improvement, testing AMSTERDAM Global: GEOS-Chem vs others Basic processes Halide chemistry: marine vs. upper atmosphere? In-cloud/between-cloud processes Background Sources MDN Programs MDN stations Dry deposition initiative

One brick at a time … Global inventory U.S. inventory Atmospheric + plume chemistry Deposition changes Exposure changes Global mercury transport into the U.S. Mercury aquatic cycling Background emissions Advanced controls

Non-U.S. Mercury Source Contributions to Deposition Percent contribution to U.S. deposition by non-U.S. sources, 2004 EPRI CTM-TEAM Modeling