DUSTRAN – AN ATMOSPHERIC DISPERSION MODEL FOR CONSEQUENCE ASSESSMENT APPLICATIONS IN EMERGENCY OPERATIONS CENTERS
2008
A new atmospheric dispersion modeling system is being tested for consequence assessment applications in emergency response operations. DUSTRAN is an operational, fully documented atmospheric dispersion modeling system designed originally to allow U.S. Department of Defense personnel to rapidly predict and assess the potential air quality impacts of military maneuvers at military training and testing ranges. This model also can be applied at emergency operations centers where it can fill the niche between on-site, plume-based modeling systems and the National Atmospheric Release Advisory Center off-site, particle-based modeling system. DUSTRAN offers a user-friendly graphical user interface based on the Environmental Systems Research Institute ArcMap geographic information system software that allows DUSTRAN to be easily customized to operate at any location in the world. DUSTRAN employs the U.S. Environmental Protection Agency regulatory CALPUFF modeling system to create a three-dimensional wind field and simulate downwind plume transport and diffusion. Other dispersion models also can be integrated into the DUSTRAN componentized architecture, allowing the user to choose the appropriate dispersion modeling engine for a given application. The DUSTRAN architecture also supports the development and integration of a variety of source-term models.
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