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

2. 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

3. 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

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