What is Ausplume?
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Ausplume is a pollution dispersion model, suitable for industry and government to. predict ground-level concentrations of pollutants from a variety of sources.
What is a source and dispersion model?
Dispersion modeling uses mathematical formulations to characterize the atmospheric processes that disperse a pollutant emitted by a source. Based on emissions and meteorological inputs, a dispersion model can be used to predict concentrations at selected downwind receptor locations.
What is Aermod dispersion model?
AERMOD Modeling System – A steady-state plume model that incorporates air dispersion based on planetary boundary layer turbulence structure and scaling concepts, including treatment of both surface and elevated sources, and both simple and complex terrain.
What is calmet model?
CALMET (currently developed by Exponent, Inc.) is a diagnostic meteorological model which reconstructs the 3D wind and temperature fields starting from meteorological measurements, orography and land use data.
Why is dispersion modeling important?
The dispersion models are used to estimate the downwind ambient concentration of air pollutants or toxins emitted from sources such as industrial plants, vehicular traffic or accidental chemical releases.
Which factors are responsible for the dispersion of pollutants in the atmosphere?
Pollution dispersal in the air is affected by many factors:
- meteorological conditions (especially wind speed, wind direction and atmospheric stability),
- the emission height (e.g. ground level sources such as road traffic or high level sources such as tall chimneys),
- local and regional geographical features,
What is plume modeling?
Atmospheric plume dispersion models are computer-based tools used to predict the paths and concentrations of airborne contaminants as they are transported and spread in the atmosphere following a release. These models can be applied to emergency preparedness and response and recovery operations.