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Atmospheric Boundary Layer Modeling for Combined Meteorology and Air Quality Systems
PLEIM, J. E., R. C. GILLIAM, AND S. YU. Atmospheric Boundary Layer Modeling for Combined Meteorology and Air Quality Systems. Chapter 1, Douw G Steyn, S.T. Rao (ed.), Air Pollution Modeling and its Applications XX. Springer Netherlands, , Netherlands, C(1.8):45-49, (2010).
The National Exposure Research Laboratory′s (NERL′s) Atmospheric Modeling and Analysis Division (AMAD) conducts research in support of EPA′s mission to protect human health and the environment. AMAD′s research program is engaged in developing and evaluating predictive atmospheric models on all spatial and temporal scales for forecasting the Nation′s air quality and for assessing changes in air quality and air pollutant exposures, as affected by changes in ecosystem management and regulatory decisions. AMAD is responsible for providing a sound scientific and technical basis for regulatory policies based on air quality models to improve ambient air quality. The models developed by AMAD are being used by EPA, NOAA, and the air pollution community in understanding and forecasting not only the magnitude of the air pollution problem, but also in developing emission control policies and regulations for air quality improvements.
Atmospheric Eulerian grid models for mesoscale and larger applications require sub-grid models for turbulent vertical exchange processes, particularly within the Planetary Boundary Layer (PSL). In combined meteorology and air quality modeling systems consistent PSL modeling of winds, temperature, humidity, and chemical concentrations is necessary for accurate simulation of chemical transport through the 3-d grid and accurate simulation of gas-phase and aerosol chemistry.