Modifications of Trajectory Models Needed for Pollutant Source-Receptor Analysis
A most important application of air pollution modeling is the prediction of the changes in the airborne concentrations and surface deposition of pollutants as a function of changes in source emissions. Both the evaluation of the impact of new sources and of the effectiveness of control strategies are issues that are addressed by model calculations. Of particular interest, for some time in Europe and more recently in North America, is the incorporation of pollutants into precipitation, the so-called “acid rain” problem. One aspect of this problem which emphasizes the need for accurate source-receptor relationship is the concern over the long-range transport of pollutants from sources in one political jurisdiction to precipitation in another jurisdiction; see, for example, the following papers: Johnson, et al. (1978), Bhumralkar, et al. (1981), and Shannon (1981), which use two-dimensional trajectory methods.
KeywordsTransport Layer Trajectory Model Brookhaven National Laboratory Trajectory Calculation Airborne Concentration
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