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Published May 1978 | public
Journal Article

Solution of atmospheric diffusion problems by pseudo-spectral and orthogonal collocation methods


Atmospheric diffusion problems are generally approached by numerical solution of the atmospheric diffusion equation to predict the spatial and temporal distribution of atmospheric contaminants. Two numerical techniques not previously used for atmospheric diffusion problems, the pseudo-spectral method and orthogonal collocation on finite elements, are adapted for use in such problems. The diffusion of an inert contaminant from an elevated, crosswind line source is considered in detail as a test problem for the two methods.

Additional Information

© 1978 Published by Elsevier. Hans Wengle was supported by a grant from the Deutsche Forschungsgemeinschaft and Bruno Van den Bosch was supported by a NATO Postdoctoral Fellowship.

Additional details

August 22, 2023
October 18, 2023