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Summary: Present a$liation: National Risk Management Research
Laboratory, USEPA MD-63, Research Triangle Park, NC
27711, USA
*Corresponding author. Tel.: #1-919-515-3711; fax: #1-
919-515-7802.
E-mail addresses: walker.johnt@epamail.epa.gov (J.T. Walker),
viney}aneja@ncsu.edu (V.P. Aneja).
Atmospheric Environment 34 (2000) 3407}3418
Atmospheric transport and wet deposition of ammonium
in North Carolina
John T. Walker , Viney P. Aneja *, David A. Dickey
Department of Marine, Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27695-8208, USA
Department of Statistics, North Carolina State University, Raleigh, NC 27695, USA
Received 18 November 1998; received in revised form 29 October 1999; accepted 29 October 1999
Abstract
Wet deposition and transport analysis has been performed for ammonium (NH>
) in North Carolina, USA. Multiple
regression analysis is employed to model the temporal trend and seasonality in monthly volume-weighted mean NH>
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