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Dry deposition of particles to canopies-A look back and the road forward
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2016
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Source: Journal of Geophysical Research: Atmospheres, 121(24), 14,691-14,707
[PDF-6.02 MB]
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:The so-called accumulation-size range of airborne particles is the center of a continuing disagreement about the formulation of dry deposition. Some contemporary meteorological and air quality models use theoretical developments based on early wind tunnel and other controlled experiments, whileother models consider the bulk properties of the underlying surface and the ability of atmospheric turbulence to deliver particles to it. This dichotomy arose when the first micrometeorological measurements of particle deposition velocities became available, yielding numbers exceeding the highest expectations ofthe then-current models based on assumptions about inertial impaction and interception. The model predictions had previously been shown to be in accord with theoretical treatments of filtration. A common reaction was to distrust the field experimental results, but the experimental findings were supported by
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Source:Journal of Geophysical Research: Atmospheres, 121(24), 14,691-14,707
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ISSN:2169-897X
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