Nitrogen Deposition Calculations for Europe

Alcamo, J. & Bartnicki, J. (1988). Nitrogen Deposition Calculations for Europe. IIASA Working Paper. IIASA, Laxenburg, Austria: WP-88-025

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Abstract

Nitrogen deposition calculations for Europe were performed by separate models describing the long range transport of ammonia and oxidized nitrogen. Tests of model results against observations are briefly described.

Nitrogen deposition was computed for several NOx emissions reduction scenarios. These reductions were adapted from an OECD study and applied to the 27 largest countries in Europe. They do not refer to a particular target year. A "Maximum feasible NOx emissions reduction" scenario reduced overall European emissions by 62% relative to 1980 emissions. Other scenarios, such as point source reduction or traffic limits, reduced European emissions by 9-35%. Most reduction scenarios affected the pattern of NOx-nitrogen deposition, but did not change very much the overall pattern of total (NOx plus NHx) nitrogen deposition. Depending on the desired level of environmental protection, it may be necessary to reduce ammonia emissions in addition to NOx emissions in order to reduce nitrogen deposition in Europe.

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