A REVIEW OF THE DEVELOPMENT AND APPLICATION OF THE URBAN AIRSHED MODEL

This paper describes the Urban Airshed Model (UAM) and provides an ove rview of the history of the model's conception and development, a list of the applications to date, a summary of the model's technical formu lation and a description of model inputs and outputs. The Urban Airshe d Model is the U.S. Environmental Protection Agency's (EPA) preferred tool for developing ozone air quality plans for urban areas.