Author(s)

M.A. Button, U. Dragosits, C. Milford, C.J. Place, D. Fowler, E. Lord, J. Webb, J. Hill, H.M. ApSimon, B. Loubet and P. Cellier

Abstract

The Importance of Modelling Fine-Scale Spatial Variability and Local Deposition in the Assessment of Ammonia Emissions A contribution to subproject GENEMIS M.A. Button', U. Dragosits''^, C. Milford\ C.J. Place', D. Fowler', E. Lord', J. Webb', J. Hill*, H.M. ApSiiW, B. Loubet^ and P. Cellier^ ' Institute of Terrestrial Ecology (ITE), Edinburgh Research Station, ^Department of Geography, University of Edinburgh, Scotland, UK * ADAS Wolverhampton, Woodthorne, Wergs Road, Wolverhampton, England, UK. * Imperial College Centre for Environmental Technology, London, UK. ^National Institute for Agronomic Research (INRA), Unit ofBioclimatology, Thiverval Grignon, France Introduction Atmospheric ammonia (NHg) is a pollutant with effects both from long-range atmospheric transport and local dispersion away from sources. While course- scale modelled NHs emission in

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