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Glossary:Dispersion modeling
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Mathematical simulations that predict how a pollutant will move through the atmosphere.
- Gaussian plume model - The most commonly used dispersion model (see dispersion modeling). The Gaussian plume model is a relatively simple model (conceptually and computationally) that assumes the plume follows a normal (Gaussian) distribution in 3 dimensions.
- Gaussian Puff Model – A time varying dispersion model that approximates a continuous release as a sum over many small “puffs”.
- Large Eddy simulations (LES) – Sophisticated implementations of atmospheric transport that directly solve the governing equations using numerical computation techniques.[1]