NASA NTRS · 19790030737
A diffusion model for use with directional samplers
Abstract
The paper presents a mathematical model for describing dispersion processes of airborne particles in the atmosphere. The process is described as a superposition of independent Brownian motion processes with drifts and a boundary at zero. It is assumed that the terrain is flat and of a homogeneous roughness. All sources are assumed to be point sources. The time dependencies of emission rates, wind speed, wind direction, and atmospheric conditions are taken into account.
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Anbar, D.. 1978-01-01. A diffusion model for use with directional samplers. https://ntrs.nasa.gov/citations/19790030737
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