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Quantifying Source Contributions to O 3 and PM 2.5 Pollution Episodes Across the Eastern U.S.

Quantifying Source Contributions to O 3 and PM 2.5 Pollution Episodes Across the Eastern U.S. TT PIs: Arlene Fiore (CU/LDEO), Tracey Holloway (U WI)

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Quantifying Source Contributions to O 3 and PM 2.5 Pollution Episodes Across the Eastern U.S.

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  1. Quantifying Source Contributions to O3and PM2.5 Pollution Episodes Across the Eastern U.S. TT PIs: Arlene Fiore (CU/LDEO), Tracey Holloway (U WI) AQAST TT Members: Greg Carmichael (U Iowa), Daniel Cohan (Rice U), Bryan Duncan (NASA GSFC), DavenHenze (CU-Boulder), Edward Hyer (NRL), Daniel Jacob (Harvard), Russ Dickerson (U MD), Gabriele Pfister (NCAR) AQAST6 Rice University, Houston, TX January 15, 2014

  2. Designing effective SIPs requires knowledge of source contributions to O3 and PM2.5 pollution episodes Observed pollution levels are the summation of in-state, out-of-state, international and natural sources AQAST can help quantify these components, but how can we be most effective?  Build a framework for continued communication with the stakeholders AQAST TT Members Air Agencies ~ monthly teleconferences MDE, TX/TCEQ, NYSDEC, US EPA, WI DNR/LADCO… • AQAST and AQMs will work together to identify high- • O3 and high-PM2.5 events during 2007-2012 for analysis.

  3. AQAST resources for source attribution during EUS pollution episodes suborbital platforms models satellite instruments CAMx CMAQ GEOS-Chem GFDL AM3 STEM DISCOVER-AQ (2011; SIP Base year) SEAC4RS/SOAS/SENEX (2013) EPA AQS CASTNet OMI NO2 MOPITT CO MODIS AOD • Transport events • Inter-state • Wildfire • International • Source attribution • Several horizontal resolutions • Forward/adjoint • HTAP simulations • Connect suborbital and space-based information • Size of episode • Areal extent • Duration • Transport For each episode, organically determine best use of AQAST resources (which team members, tools)

  4. Deliverables & Expected AQ outcomes 1. Establishment of a stakeholder advisory committee (set priorities)  Build broader engagement between AQAST and state-level AQMs 2. For each episode, generate reports with technical details of approach in appendices (“the recipe” for the analysis)  New info / approaches to support SIP development  Build capacity by providing case studies for future analyses 3. Develop website archive of reports, and links to related AQAST resources, including coordination with RSIG TT activity, other web tools  Broader dissemination of approaches & findings 4. Online interactive graphics to facilitate exploration of model and satellite data  Developing user-friendlyspace-based and model products to provide information on contributions from transported pollution

  5. Discussion points for tomorrow • What are our criteria for episode selection (“priority”) • regional-scale? multi-day? multi-state? typical vs. unusual? • What information will we request from AQMs prior to first phone call? • Which years are we best equipped to deliver results? • Compile a list of periods we’re already analyzing, and also what is additionally possible in the next 3-12 months. • Do these differ for PM2.5 and O3? • Provide these as list of possibilities to AQ agency contacts • Proposed timeline: • FEB: solicit info from AQMs+ short overview of TT framework • MAR: 1st phone call • AQAST7: Present preliminary findings

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