Abstract
Methods for the assessment of environmental impacts of air contaminants released and dispersed in regions of mountainous and/or hilly terrain have been a subject of increasing debate and interest over the past several years. Among the motivating concerns and issues are the following:
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· For a variety of economic and practical geographic reasons, industrial growth in complex terrain has primarily occured in the low parts of the terrain — along side of rivers, in the valleys and passes, at the base of the mountains defined by either a lake or ocean shore, or at the transition from a plain to a mountain range. Industrial emissions have, therefore, been released at low heights with respect to the terrain features and the question of how well air pollutants will disperse when transport processes are constrained by terrain features, becomes an important issue.
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· Recent interest in the U. S. of locating coal-burning electric power generating stations in rural regions close to the coal mines suggests that industrial growth may well accelerate in several mountainous regions. Other specific types of growth anticipated to accelerate in mountainous terrain include generally, the resort and/or retirement home developments and associated transportation system expansions, geothermal energy sources, and smelters and other mining-based industries.
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Egan, B.A. (1982). Turbulent Diffusion in Complex Terrain. In: Lectures on Air Pollution and Environmental Impact Analyses. American Meteorological Society, Boston, MA. https://doi.org/10.1007/978-1-935704-23-2_4
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