atmospheric diffusion

atmospheric diffusion

[¦at·mə¦sfir·ik di′fyü·zhən]
(meteorology)
The exchange of fluid parcels between regions in the atmosphere in the apparently random motions of a scale too small to be treated by equations of motion.
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The Environmental Protection Administration (EPA) reports that air quality in the north is 'good' today, while air quality in the south is 'poor' due to low wind velocities leading to weaker atmospheric diffusion. The EPA has flashed an orange warning for air pollution in Yunlin, Chiayi, and other southern central areas, indicating adverse conditions for groups more sensitive to air quality.
Pochai propose an atmospheric diffusion model to describe the released air pollutant concentration by an industrial plant.
The presence of unfavorable atmospheric diffusion conditions in China should not be neglected when evaluating the effects of emission reduction and developing further mitigation policies.
The problem of deposition in atmospheric diffusion of particulate matter.
Because dust have a similar dynamic property with water and air pollutant, KMC method has widely been used in water flow simulation and atmospheric diffusion field.
(1983), Atmospheric diffusion. 3rd Edition, Ellis Horwood Ltd., Chichester, England.
Sutton's theory of eddy diffusion and the birth of atmospheric diffusion modeling as we know it today.
Appropriate for chemical and environmental engineers, this graduate textbook explains the chemistry of the stratosphere and troposphere, the dynamics of aerosols particles and populations, cloud physics, atmospheric diffusion, and atmospheric chemical transport models.
Under the right meteorological conditions, the bowl-shape topography traps emissions, making it an ideal location for studying ambient air chemistry and the atmospheric diffusion of compounds associated with vehicle traffic.
The atmospheric diffusion of gases discharged from the chimney of the Harwell Reactor BEPO.
(1982), Handbook on Atmospheric Diffusion, Technical Information Center, U.S.
The approximate solution is considered by using the atmospheric diffusion model.

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