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Agricultural ammonia emissions and ammonium concentrations associated with aerosols and precipitation in the southeast
 

Summary: Agricultural ammonia emissions and ammonium concentrations
associated with aerosols and precipitation in the southeast
United States
Viney P. Aneja, Dena R. Nelson, Paul A. Roelle, and John T. Walker1
Department of Marine, Earth, and Atmospheric Sciences, North Carolina State University, Raleigh, North Carolina, USA
William Battye
EC/R Inc., Chapel Hill, North Carolina, USA
Received 5 March 2002; revised 15 July 2002; accepted 13 November 2002; published 28 February 2003.
[1] Temporal and spatial variations in ammonia (NH3) emissions and ammonium (NH4
+
)
concentrations associated with aerosols and volume-weighted NH4
+
concentration in
precipitation are investigated over the period 19901998 in the southeast United States
(Alabama, Florida, Georgia, Kentucky, North Carolina, South Carolina, Mississippi, and
Tennessee). These variations were analyzed using an NH3 emissions inventory developed
for the southeast United States and ambient NH4
+
data from the various Clean Air Status

  

Source: Aneja, Viney P. - Department of Marine, Earth and Atmospheric Sciences, North Carolina State University

 

Collections: Environmental Sciences and Ecology; Geosciences