Contents
Session One
Critical Loads: Acidification and Excess Nitrogen Thresholds
Session Two
Air and Water Quality: Linkages and Synergies
Session Three
Air and Water Quality: Linkages and Synergies
Session Four
Deposition Modeling and Monitoring
Session Five
Urban Air Quality and Deposition
Session Six
Nitrogen: Transport, Deposition and Effects
Session Seven
Nitrogen: Transport, Deposition and Effects
Session Eight
Agriculture: Ammonia Emissions, Trends, Deposition
Session 8: Agriculture: Ammonia Emissions, Trends, Deposition
Moderator: Katie BenedictInvestigation of hourly concentration ratios of ammonia gas and particulate ammonium at CASTNet site in Beltsville, MD
Greg Beachley, US EPAAbstract
Urban and On-Road Emissions: Underappreciated Sources of Atmospheric Ammonia
Mark Fenn, USDA Forest Service, PSW Research StationAbstract Presentation
“Fingerprinting” Vehicle Derived Ammonia Utilizing Nitrogen Stable Isotopes
Wendell Walters, Brown UniversityAbstract