Mesoscale numerical modeling of pollutant transport in complex terrain

R.A.P.elke; R.W.A.ritt; M.S.gal; M.D.M.ran; R.T.M.Nider

Boundary-Layer Meteorology 41(1-4): 59-74

1987


ISSN/ISBN: 0006-8314
DOI: 10.1007/bf00120431
Accession: 028697646

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Abstract
This paper discusses the dispersion of atmospheric pollution by synoptic-, meso- and micro-scale motions. It is shown that synoptic baroclinicity, mesoscale thermal circulations, and boundary-layer turbulence can separately, or together, act to enhance dispersion as well as substantially influence transport time of the center of mass of the polluted air. Both a mathematical description and examples of numerical model simulations are used to illustrate expected dispersion characteristics in the atmosphere. An example of an analysis for worst-case impacts of power plant plumes on U.S. National Park lands in south Florida is presented based on calculations of a regional atmospheric meteorology-dispersion modeling system.

Mesoscale numerical modeling of pollutant transport in complex terrain