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RECORD NUMBER: 31 OF 152

OLS Field Name OLS Field Data
Main Title Atmospheric Nitrogen Deposition to Coastal Estuaries and their Watersheds.
Author Meyers, T. ; Sickles, J. ; Dennis, R. ; Russel, K. ; Galloway, J. ;
CORP Author Environmental Protection Agency, Las Vegas, NV. National Exposure Research Lab.
Publisher c2001
Year Published 2001
Report Number NERL-LV-ESD-00-053 ;EPA/600/A-01/013;
Stock Number PB2001-104136
Additional Subjects Nitrogen ; Estuaries ; Watersheds ; Nitrates ; Wet deposition ; Organic nitrogen ; Dry deposition ; Variability ; Recommendations ; Atmospheric deposition ; Regional acid deposition model
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NTIS  PB2001-104136 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 10/17/2002
Collation 26p
Abstract As part of the overall process of evaluating the impacts of total atmospheric deposition of nitrogen on coastal ecosystems and estuaries, estimates of wet and dry deposition of nitrogen to both watershed and water bodies are required. Currently, most bays, estuaries, and watersheds lack onsite deposition monitoring data. In this first order attempt to assess the impact and fate of nitrogen delivered from atmospheric processes, estimates of wet and dry nitrogen deposition are derived using data from either regional monitoring activities of calibrated atmospheric deposition models. The components of estimated wet nitrogen deposition include, nitrate, ammonium and organic nitrogen. For dry deposition, the gas phase components include nitric acid vapor and ammonia, while the aerosol components consist of nitrate and ammonium. Total annual N deposition (wet plus dry) ranged from 3 to 14 kg N ha(-1), with wet deposition generally comprising about 60% of the total.
Supplementary Notes Pub. in Nitrogen Loading in Coastal Water Bodies: An Atmospheric Perspective Coastal and Estuarine Studies, p53-76 2001.
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Highlights Notes %AUT:T. /Church
NTIS Title Notes Journal article.
Category Codes 68A; 68D
NTIS Prices PC A03/MF A01
Primary Description 600/07
Document Type NT
Cataloging Source NTIS/MT
Control Number 028201940
Origin NTIS
Type CAT