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Trends in Ammonium Concentration in Precipitation and Atmospheric
 

Summary: Research
Trends in Ammonium Concentration
in Precipitation and Atmospheric
Ammonia Emissions at a Coastal
Plain Site in North Carolina, U.S.A.
J O H N W A L K E R , D E N A N E L S O N , A N D
V I N E Y P . A N E J A *
Department of Marine, Earth, and
Atmospheric Sciences, North Carolina State University,
Raleigh, North Carolina 27695
The temporal characteristics of annual volume-weighted
average ammonium (NH4
+) ion concentration in precipitation
and local ammonia (NH3) emissions are investigated
overtheperiod1982-1997atNationalAtmosphericDeposition
Program/National Trends Network site NC35, located in
Sampson County, NC. Multiple regression analysis of annual
volume-weighted average values of NH4
+ concentration
in precipitation identifies a statistically significant (p < 0.01)

  

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

 

Collections: Environmental Sciences and Ecology; Geosciences