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      • Airborne and Satellite Investigation of Asian Air Quality (ASIA-AQ): An Opportunity for International Collaboration

        James H. Crawford,Katherine Travis,Laura Judd,Barry Lefer,Jack Dibb,Jhoon Kim,Rokjin Park,Gangwoong Lee,Limseok Chang,James Simpas,Maria Obiminda Cambaliza,Ronald Macatangay,Vanisa Surapipith,Narisara 한국대기환경학회 2021 한국대기환경학회 학술대회논문집 Vol.2021 No.10

        The recent launch of the Geostationary Environment Monitoring Spectrometer (GEMS) provides an important catalyst for increased dialogue and cooperation among Asian countries to address air quality. Other emerging efforts to support GEMS validation and international cooperation include the Pandora Asia Network (PAN) and the Pan Asia Partnership for Geospatial Air Pollution Information (PAPGAPI). These efforts represent long-term commitments to bridging satellite observations with ground-based monitoring to inform air quality. Aircraft observations can provide invaluable context to the satellite and ground-based perspectives that are used more routinely to inform air quality models used for both forecasting and attribution. Important information from aircraft includes measuring detailed composition for source fingerprinting, vertical profiling of composition for satellite validation and model assessment, observing chemical and dynamical processes affecting secondary pollution (i.e., fine particles and ozone), relating specific VOC mixtures to satellite HCHO, providing fine scale pollution mapping with remote sensors, etc. Such information is critical for understanding the local factors influencing air quality for a specific location, quantifying emission sources, and assessing potential mitigation strategies for decision makers. ASIA-AQ proposes to provide airborne observations over three to five Asian megacities with repetitive observations that will observe the diurnal and vertical distribution of primary emissions and secondary pollutants with at least four flights over each location. In combination with satellite and ground observations, data would support analyses for assessment of emissions, model evaluation, process-level understanding of secondary pollutants (i.e., fine particles and ozone), and satellite validation and interpretation. Current status of the ASIA-AQ white paper, nominal plans, and opportunities for involvement will be presented.

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