CALPUFF Modeling System for Source Region Identification
CALPUFF Modeling DomainAir
quality modeling can be done on many different scales. The CALPUFF
system is particularly designed for modeling source emission impacts
at receptors located at distances of several hundred kilometers.
The Planning Section uses CALPUFF on the domain shown at the right
to better understand the impacts of large coal-burning power generation
units located as much as 1000 kilometers distant from Vermont. The
modeling requires obtaining both very good emissions data for the
sources of interest and also the development of very detailed wind
fields from real measurement data at many meteorological stations
across the domain. Good hourly emissions data is available for recent
years from the EPA Acid Rain Reporting program. The meteorological
data required by the modeling system is chosen to represent surface
and upper air conditions as accurately as possible.
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Last Updated: 1/22/03