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Project at a Glance

Project Status: complete

Title: Development of a state-of-the-art acid deposition model for the South Coast Air Basin of California.

Principal Investigator / Author(s): Pandis, Spyros N

Contractor: Environmental Quality Laboratory, California Institute of Technology

Contract Number: A732-043

Research Program Area: Atmospheric Processes

Topic Areas: Acid Deposition


Three different aqueous-phase modules have been developed to describe the physicochemical processes associated with the aqueous-phase in the atmosphere. These modules constitute the central core of an urban-scale acid deposition model and can be incorporated into an Eulerian three dimensional grid-based system. The fog model (Module 2) has been implemented in a trajectory framework and has been employed to predict the temperature profile, fog development, liquid water content, gas and aqueous phase concentrations of pollutants, and wet deposition rates of main ionic species during the radiation fog episode in Bakersfield in the San Joaquin Valley of California over the period January 4-5, 1985.


For questions regarding this research project, including available data and progress status, contact: Research Division staff at (916) 445-0753

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