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DIAGNOSTIC EVALUATION OF AIR QUALITY MODELS USING ADVANCED METHODS WITH SPECIALIZED OBSERVATIONS OF SELECTED AMBIENT SPECIES -PART II
Impact/Purpose:
GENERIC RARE OBJECTIVE: The Regional Applied Research Effort (RARE) provides the Regions with a mechanism to address near term research needs through an ORD Laboratory/Center. Any applied research project that a Region identifies and that an ORD laboratory has the expertise to carry out will be considered if the three following conditions are met: 1) projects must be funded through an ORD Laboratory or Center, 2) the project must fall within with defined mission of the selected ORD Laboratory/Center, and 3) proposals must be research-oriented.
Description:
This is Part 2 of "Diagnostic Evaluation of Air Quality Models Using Advanced Methods with Specialized Observations of Selected Ambient Species". A limited field campaign to make specialized observations of selected ambient species using advanced and innovative instrumentation for the purpose of better characterizing and diagnostically evaluating air quality model (AQM) applications in the Pacific Northwest. The goals of this project are: (1) to provide new, high quality, specialized observation data specifically for model evaluation under conditions prevalent in the Pacific Northwest; and (2) to better understand model representations of important atmospheric processes and mechanisms through the diagnostic evaluation of large-scale Eulerian AQMs in application to the Pacific Northwest. Our products will include: (1) a high quality set of observations unique in the Region; (2) a substantial archive of improved air quality modeling for Pacific Northwest applications including extensive sensitivity testing and model evaluation with the new observations; (3) targeted analysis of model performance under conditions most likely to be important under the proposed revised NAAQS for ozone (O3); (4) the first effort in the Region to characterize atmospheric contributions to ecosystem degradation through ambient pollutant deposition, as for nitrates to Puget Sound, for example; (5) increased productive relationships among USEPA ORD and Region 10 staff and researchers at the WSU Laboratory for Atmospheric Research and the UW Department of Atmospheric Sciences.