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- A model used to calculate air pollution concentrations. The model assumes that a continuously emitted plume or instantaneous cloud of pollutants can be simulated by the release of a series of puffs that will be carried in a time- and space-varying wind field. The puffs are assumed to have Gaussian or bell-shaped concentration profiles in their vertical and horizontal planes.
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- Box Model, Chemistry Model, Diagnostic Model, Domain, Full-Physics Numerical Model, Gaussian Plume Model, Particle Trajectory Model, Perturbation Model, Phenomenological Model, VALDRIFT