A Mesoscale Transport and Diffusion Model
Roland R. Draxler
AMS Joint Conference on Applications of Air Pollution Meteorology, Salt Lake City, pp. 380-385, 1977
Introduction – The Air Resources Laboratory (ARL) has developed a mesoscale trajectory transport and diffusion model which is designed to simulate the behavior of individual plumes and calculate short-term air concentrations. The transport is Lagrangian, in that the spatially averaged wind field near the trajectory segment is used to compute the displacement during each interval. Vertical diffusion is calculated concurrent with the transport. A one-dimensional (vertical) finite difference diffusion model is run with each trajectory.
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