Guidance for the Performance Evaluation of Three-Dimensional Air Quality Modeling Systems for Particulate Matter and Visibility |
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| Authors: | Christian Seigneur Betty Pun Prasad Pai Jean-François Louis Paul Solomon Chris Emery |
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| Institution: | 1. Atmospheric and Environmental Research, Inc. , San Ramon , California , USA seigneur@aer.com;3. Atmospheric and Environmental Research, Inc. , San Ramon , California , USA;4. Atmospheric and Environmental Research, Inc. , Cambridge , Massachusetts , USA;5. U.S. Environmental Protection Agency , Research Triangle Park , North Carolina , USA;6. Environ Corporation , Novato , California , USA |
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| Abstract: | ABSTRACT Guidance for the performance evaluation of three-dimensional air quality modeling systems for particulate matter and visibility is presented. Four levels are considered: operational, diagnostic, mechanistic, and probabilistic evaluations. First, a comprehensive model evaluation should be conducted in at least two distinct geographical locations and for several meteorological episodes. Next, streamlined evaluations can be conducted for other similar applications if the comprehensive evaluation is deemed satisfactory. In all cases, the operational evaluation alone is insufficient, and some diagnostic evaluation must always be carried out. Recommendations are provided for designing field measurement programs that can provide the data needed for such model performance evaluations. |
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