Low-Level Stability and Pollutant-Trapping Potential for a Rural Area

E. S. Takle Iowa State University of Science and Technology, Ames, Iowa 50010

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R. H. Shaw Iowa State University of Science and Technology, Ames, Iowa 50010

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H. C. Vaughan Iowa State University of Science and Technology, Ames, Iowa 50010

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Abstract

Temperature and wind speed measurements over a 6-year period from a 32 m tower located in a primarily rural area are used to assess the pollutant-dispersive characteristics of a rural site. A monthly comparison of a crude pollution-trapping index shows July through September the most favorable, and December through February the least favorable, months for the trapping of contaminants emitted from ground-based sources in rural areas.

Abstract

Temperature and wind speed measurements over a 6-year period from a 32 m tower located in a primarily rural area are used to assess the pollutant-dispersive characteristics of a rural site. A monthly comparison of a crude pollution-trapping index shows July through September the most favorable, and December through February the least favorable, months for the trapping of contaminants emitted from ground-based sources in rural areas.

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