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Project at a Glance

Project Status: complete

Title: Mathematical modeling of the formation and dynamics of acidic aerosols

Principal Investigator / Author(s): Seinfeld, John H.

Contractor: Environmental Quality Laboratory, California Institute of Technology

Contract Number: A4-146-32

Research Program Area: Atmospheric Processes

Topic Areas: Acid Deposition, Modeling


A mathematical model has been developed to predict the chemical composition and size distribution of ambient aerosols containing sulfate, nitrate, ammonium, water, sodium, chloride and organic species. The model has been implemented in a trajectory framework and has been employed to predict the size and composition distributions of aerosol in the South Coast Air Basin on August 31, 1982.


For questions regarding this research project, including available data and progress status, contact: Heather Choi at (916) 322-3893

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