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  • Author or Editor: Jason K. S. Ching x
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Edward E. Uthe
,
William Viezee
,
Bruce M. Morley
, and
Jason K. S. Ching

Development and validation of transport models for the study of regional acid deposition require improved observations of pollutant transport and dispersion processes. No suitable method for air-parcel tracking along nonconstant density surfaces is available. The feasibility of using an airborne lidar system to observe atmospheric transport and dispersion of fluorescent-dye-particle (FDP) tracers was demonstrated for various meteorological conditions and FDP-release scenarios in the general area of the Cross-Appalachian Tracer Experiment (CAPTEX) during October 1983. This paper presents some of the results obtained on six case studies, each of which illustrates a unique application of the technique.

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Francis A. Schiermeier
,
William E. Wilson
,
Francis Pooler
,
Jason K. S. Ching
, and
John F. Clarke

Spurred by the rising sulfate concentrations in the northeastern United States, the Environmental Protection Agency (EPA) has established the Sulfur Transport and Transformation in the Environment (STATE) program to quantitatively determine the impact on local air quality of distant source pollutants and their transformation products. The first major STATE field study was the August 1978 Tennessee Plume Study conducted near the Cumberland Steam Plant in northwestern Tennessee. Representatives from 25 governmental agencies, universities, research institutes, and private contractors participated in this joint meteorological/chemical study in an attempt to define plume transport, dispersion, transformation, and removal rates under various meteorological conditions. A description of the field activities reveals the preplanned experimental guidelines and the flexibility with which the sampling activities were performed. The analytical priorities have since been established and various investigators are performing analyses of the collected data with results to be forthcoming.

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