Input Parameters


The ISC2 Short Term Area Source Model uses hourly meteorological data (thus the name short-term) to define the conditions for transport and diffusion of contaminant emissions. The model uses two types of input parameters: meteorological parameters and source parameters. The Meteorological parameters are: wind direction; wind speed; ambient air temperature; atmospheric stability category; mixing height; and anemometer height. The source parameters are: Emission rate; release height, and source width. Source emission rates can be treated as constant throughout the modeling period, or may be varied by month, season, hour-of-day, or other optional time periods.

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