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The Effect of Lateral Boundary Values on Atmospheric Mercury Simulations with the CMAQ Model
Citation:
BULLOCK, R. The Effect of Lateral Boundary Values on Atmospheric Mercury Simulations with the CMAQ Model. Chapter 2, Carlos Borrego; Ana Isabel Miranda (ed.), Air Pollution Modeling and its Application XIX. Springer, New York, NY, (Series C):173-181, (2008).
Impact/Purpose:
National Exposure Research Laboratory′s (NERL′s) Atmospheric Modeling Division (AMD) conducts research in support of EPA′s mission to protect human health and the environment. AMD′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. AMD 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 AMD 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.
Description:
Simulation results from three global-scale models of atmospheric mercury have been used to define three sets of initial condition and boundary condition (IC/BC) data for regional-scale model simulations over North America using the Community Multi-scale Air Quality (CMAQ) model. The IC/BC data sets derived from these models show significant differences in air concentration of mercury species. Variations in the CMAQ model simulation results obtained from each of the three IC/BC data sets provide a measure of the range of certainty regarding patterns of mercury deposition across the study region and the relative importance of domestic versus foreign emission sources responsible for these deposition patterns