A240
Laboratory Studies in Atmospheric Sciences II

Wednesday, 16 December 2020: 11:30-12:30
Virtual
Primary Convener:  David M Wilmouth, Harvard University, Cambridge, MA, United States
Conveners:  James B Burkholder, NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, Neil McPherson Donahue, Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, PA, United States and Sarah A Styler, University of Alberta, Department of Chemistry, Edmonton, AB, Canada
Primary Liaison:  David M Wilmouth, Harvard University, Cambridge, MA, United States
Chairs:  David M Wilmouth, Harvard University, Cambridge, MA, United States, James B Burkholder, NOAA ESRL, Chemical Sciences Laboratory, Boulder, CO, United States, Neil McPherson Donahue, Carnegie Mellon University, Center for Atmospheric Particle Studies, Pittsburgh, PA, United States and Sarah A Styler, University of Alberta, Department of Chemistry, Edmonton, AB, Canada
OSPA Liaison:  David M Wilmouth, Harvard University, Cambridge, MA, United States
11:30
Evolution of Secondary Organic Aerosol Composition, Volatility, and Gas-Particle Partitioning During Oxidation of Phenolic Compounds Under Conditions Relevant to Biomass Burning (702440)
Carley Fredrickson1, Brett B Palm1, Amy Sullivan2, Yingjie Shen3, Shane M Murphy3, Lauren Garofalo4, Matson A Pothier4, Delphine Farmer4, Ben Lee1, Xuan Zhang5 and Joel A Thornton1, (1)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (2)Colorado State University, Atmospheric Science, Fort Collins, CO, United States, (3)University of Wyoming, Laramie, WY, United States, (4)Department of Chemistry, Colorado State University, Fort Collins, CO, United States, (5)National Center for Atmospheric Research, Boulder, CO, United States
11:34
Biogenic emissions and secondary organic aerosol: current understanding and knowledge gaps (Invited) (665714)
Astrid Kiendler-Scharr, Forschungszentrum Jülich GmbH, Institute of Energy and Climate Research, IEK-8: Troposphere, Jülich, Germany
11:38
Comparing Results from Comprehensive Chamber Studies and Explicit Chemical Mechanisms Provides Mutual Benefits (743740)
Josh Moss1, Abigail Koss2, Alexander Zaytsev3, Martin Breitenlechner4, Jordan E. Krechmer5, Kevin Nihill1, Jonathan P. Franklin1, Christopher Lim6, James Rowe1, Joshua L Cox7, Joshua D Shutter7, Manjula R Canagaratna5, Brian M Lerner8, Douglas R Worsnop5, Richard Valorso9, Marie Camredon9, Bernard Aumont9, Frank N Keutsch10 and Jesse H Kroll11, (1)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (2)Tofwerk AG, Thun, Switzerland, (3)Harvard University, Paulson School of Engineering and Applied Sciences, Cambridge, MA, United States, (4)Harvard University, School of Engineering and Applied Sciences, Cambridge, MA, United States, (5)Aerodyne Research Inc., Billerica, MA, United States, (6)South Coast Air Quality Management District, Diamond Bar, CA, United States, (7)Harvard University, Department of Chemistry and Chemical Biology, Cambridge, MA, United States, (8)NOAA, Earth System Research La, Boulder, CO, United States, (9)University Paris-Est Créteil Val de Marne, Créteil Cedex, France, (10)Harvard University, School of Engineering and Applied Sciences, Department of Chemistry and Chemical Biology and Department of Earth and Planetary Sciences, Cambridge, MA, United States, (11)Massachusetts Institute of Technology, Cambridge, MA, United States
11:42
Aerosol pH indicator and Organosulfate Detectability from Aerosol Mass Spectrometry Measurements (686378)
Melinda Schueneman1, Benjamin Nault2,3, Doug A Day1, Pedro Campuzano Jost4, Duseong Jo5, Jason Clay Schroder6, Alma Hodzic7, Jack E Dibb8, Brett B Palm2 and Jose L Jimenez1, (1)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (2)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (3)University of Colorado at Boulder, Department of Chemistry, Boulder, CO, United States, (4)University of Colorado Boulder, Boulder, CO, United States, (5)University of Colorado at Boulder, Chemistry/CIRES, Boulder, CO, United States, (6)Colorado Department of Public Health and Environment, Denver, CO, United States, (7)National Center for Atmospheric Research, Boulder, CO, United States, (8)University of New Hampshire, Institute for the Study of Earth, Oceans, and Space, Durham, NH, United States
11:46
Coexistence of three liquid phases in atmospheric aerosol particles (735743)
Yuanzhou Huang1, Fabian Mahrt2, Shaun Xu3, Andreas Zuend4, Manabu Shiraiwa5 and Allan K Bertram1, (1)University of British Columbia, Department of Chemistry, Vancouver, BC, Canada, (2)ETH Swiss Federal Institute of Technology Zurich, Institute of Atmospheric and Climate Sciences, Zurich, Switzerland, (3)University of British Columbia, Chemistry, Vancouver, BC, Canada, (4)McGill University, Department of Atmospheric and Oceanic Sciences, Montreal, QC, Canada, (5)Max-Planck-Institut für Chemie, Mainz, Germany
11:50
Imaging Photoactive and Viscous Organic Aerosol Particles (692858)
Peter Aaron Alpert1, Jing Dou2, Pablo Corral Arroyo3, Frederic Schneider1, Jacinta Xto4, Beiping Luo2, Thomas Peter2, Thomas Huthwelker4, Camelia Borca4, Katja D. Henzler4, Hartmut Herrmann5, Jorg Raabe6, Benjamin Watts6, Ulrich Karl Krieger2 and Markus Ammann1, (1)Paul Scherrer Institute, Laboratory of Environmental Chemistry, Villigen PSI, Switzerland, (2)ETH Swiss Federal Institute of Technology Zurich, Institute for Atmosphere and Climate Science, Zurich, Switzerland, (3)ETH Swiss Federal Institute of Technology Zurich, Laboratory of Physical Chemistry, Zurich, Switzerland, (4)Paul Scherrer Institute, Laboratory for Synchrotron Radiation and Femtochemistry, Villigen PSI, Switzerland, (5)Leibniz Institute for Tropospheric Research (TROPOS), Atmospheric Chemistry Department (ACD), Leipzig, Germany, (6)Paul Scherrer Institute, Laboratory for Synchrotron Radiation-Condensed Matter, Villigen PSI, Switzerland
11:54
Toward Understanding the Synergetic Interactions between Polycyclic Aromatic Hydrocarbons and Biogenic Secondary Organic Aerosol Particles (751992)
Alla Zelenyuk1, Simeon K Schum2, Lynn R Mazzoleni2, Kaitlyn Suski1, David M. Bell3, Dan G Imre4, ManishKumar Shrivastava5, Amber Kramer6 and Staci L Simonich7, (1)Pacific Northwest National Laboratory, Richland, WA, United States, (2)Michigan Technological University, Houghton, MI, United States, (3)Paul Scherrer Institute, Villigen PSI, Switzerland, (4)Imre Consulting, Richland, WA, United States, (5)Pacific Northwest National Labs, Richland, WA, United States, (6)Oregon State University, Corvallis, OR, United States, (7)Oregon State Univ, Corvallis, OR, United States
11:58
Exploring the influence of mineral dust–pollutant interactions on dust photoreactivity and pollutant lifetimes (747364)
Maya Abou-Ghanem1, Katica Naude1, Lisa Michelat2, Amanda L. Aantjes1 and Sarah A Styler1, (1)University of Alberta, Department of Chemistry, Edmonton, AB, Canada, (2)University Claude Bernard Lyon 1, Department of Physics and Chemistry, Villeurbanne, France
12:02
Discussion
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