A059
General Session: Atmospheric Chemistry & Composition

Session ID#: 157349

Session Description:
The composition of the atmosphere is determined by emissions, chemistry, deposition and transport. Emissions can be natural and man-made and include thousands of different compounds. Chemical removal occurs on time scales ranging from seconds to centuries, and secondary compounds are formed by this chemistry. Deposition is a more important loss mechanism for many compounds but is poorly described. Finally, transport on local, regional and global scales determines the geographic extent of the impact from emissions. Describing all of these processes to understand atmospheric composition is a grand challenge. It is an important challenge because ongoing changes in atmospheric composition affect many issues of societal importance including climate change, air quality, human and ecosystem health, and the stratospheric ozone layer.

This session provides a general forum for scientists working on Atmospheric Chemistry and Composition. In addition to new research, we welcome reviews, perspectives and presentation of new ideas.

Index Terms:

0322 Constituent sources and sinks [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0340 Middle atmosphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0365 Troposphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]

Primary Convener:  Joost A de Gouw, University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, United States
Convener:  Anne Thompson, NASA Goddard Space Flight Center, Greenbelt, United States
 
Investigation of the Southern Hemispheric Ozone Enhancement during the 2019 Sudden Stratospheric Warming (1053794)
Saswati Das, Virginia Tech, Blacksburg, VA, United States, Scott M Bailey, Virginia Tech, Blacksburg, United States, Brentha Thurairajah, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, Mark Eugene Hervig, GATS Inc., Driggs, ID, United States and B Marshall, GATS, Inc., Newport News, VA, United States
 
An Atlas of Air Pollution Based on a Reanalysis and Emissions for the Past Two Decades (1061712)
Antonin Soulie1, Thierno Doumbia2, Claire Granier3, Hugo Denier Van Der Gon4, Jeroen J. P. Kuenen4, Santiago R Arellano5, Sabine Darras6, Bo Galle5, Michael Gauss7, Marc Guevara8, Jukka-Pekka Jalkanen9, Sekou Keita10, Cathy Liousse1, Jana Doubalova11, David Simpson7 and Katerina Sindelarova11, (1)Laboratoire d'Aérologie - Observatoire Midi Pyrénées / CNRS, Toulouse, France, (2)Laboratoire d'Aérologie - Observatoire Midi Pyrénées/CNRS, Toulouse, France, (3)NOAA and LATMOS/IPSL, Boulder, United States, (4)Netherlands Organization for Applied Scientific Research (TNO), Utrecht, Netherlands, (5)Chalmers University of Technology, Gothenburg, Sweden, (6)Observatoire Midi-Pyrenees, Toulouse, France, (7)Norwegian Meteorological Institute, Oslo, Norway, (8)Earth Science Department, Barcelona Supercomputing Centre, Barcelona, Spain, (9)Finnish Meteorological Institute, Helsinki, Finland, (10)Université Péléforo Gon Coulibaly de Korhogo, Korhogo, Côte D'ivoire, (11)Charles University, Dept. of Atmospheric Physics, Prague, Czech Republic
 
Inverse modeling of CH4 emissions over Europe, Part I: modeling tools, input data sets and forward modeling evaluation (1071874)
Angel Vara Vela, Aarhus University, Aarhus C, Denmark, Christoffer Karoff Sr., Aarhus University, Aarhus, Denmark, Noelia Rojas Benavente, University of São Paulo, São Paulo, Brazil and Janaína Nascimento, NOAA Global Systems Laboratory, Boulder, United States
 
Reagent-ion comparison for biogenic VOCs and their oxidation products with a switching NH4+/H3O+ chemical ionization mass spectrometer (1075994)
Cort Zang1, Tucker Melles1, Michael P Vermeuel2, Delphine Farmer1, Dylan B Millet2, Philip S Stevens3,4 and Megan D Willis1, (1)Colorado State University, Department of Chemistry, Fort Collins, United States, (2)University of Minnesota, Department of Soil, Water, and Climate, Saint Paul, United States, (3)Indiana University Bloomington, Chemistry, Bloomington, IN, United States, (4)Indiana University Bloomington, O'Neill School of Public and Environmental Affairs, Bloomington, United States
 
Understanding the Influence of Heavy Fuel Ships on Non-Refractory Vanadium Particles in the Marine Boundary Layer Using Single-Particle Mass Spectrometry (1086105)
Maya Abou-Ghanem, NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, United States, Gregory P Schill, NOAA ESRL, Chemical Sciences Laboratory, Boulder, United States, Michael Lawler, NOAA ESRL, Chemical Sciences Division, Boulder, CO, United States and Daniel M Murphy, NOAA, CSL, Boulder, United States
 
Validation of ALTIUS Stellar Occultation Ozone Retrieval Algorithm and Scintillation Mitigation Strategy Using GOMOS Observations. (1087675)
Antonin Berthelot, Noel Baker, Philippe Demoulin, Quentin Errera, Ghislain Franssens, Didier Fussen, Nina Mateshvili, Didier Pieroux, Sotiris Sotiriadis and Emmanuel Dekemper, Royal Belgian Institute for Space Aeronomy, Brussels, Belgium
 
Formation and impacts of oxygenated organic vapors observed at a coastal background site in South China (1089421)
Zhe Wang1, Penggang Zheng2, Yi Chen2, Men Xia3, Wei Nie4, Chao Yan5, Dan Dan Huang6, Yishuo Guo7, Yuliang Liu8, Linhui Tian9, Douglas R Worsnop10, Xiaohui Qiao11, Aijun Ding4 and Tao Wang12, (1)Hong Kong University of Science and Technology, Hong Kong, Hong Kong, (2)The Hong Kong University of Science and Technology, Division of Environment and Sustainability, Kowloon, Hong Kong, (3)The Hong Kong Polytechnic University, Department of Civil and Environmental Engineering, Hong Kong, China, (4)Nanjing University, Joint International Research Laboratory of Atmospheric and Earth System Research, School of Atmospheric Sciences, Nanjing, China, (5)University of Helsinki, Helsinki, Finland, (6)Shanghai Academy of Environmental Sciences, Shanghai, China, (7)Beijing University of Chemical Technology, Beijing, China, (8)Nanjing University, School of Atmospheric Sciences, Nanjing, China, (9)University of Macau, Department of Civil and Environmental Engineering, Macau, China, (10)Aerodyne Research Inc., Billerica, MA, United States, (11)Tsinghua University, School of Environment, Beijing, China, (12)Hong Kong Polytechnic University, Department of Civil and Environmental Engineering, Hong Kong, China
 
Evaluation of An Advanced Ozone Dry Deposition Model (1092212)
Kiran Alapaty, Environmental Protection Agency Chapel Hill, Chapel Hill, NC, United States, Jesse O Bash, U.S. Environmental Protection Agency, Durham, NC, United States, Bin CHeng, UNC, Chapel Hill, NC, United States, Saravanan Arunachalam, University of North Carolina at Chapel Hill, Chapel Hill, NC, United States and J William Munger, Harvard University, Cambridge, MA, United States
 
Upper Troposphere and Lower Stratosphere Measurements of NO and NO2 from High-Altitude Aircraft (1093881)
Eleanor Waxman, CU/CIRES - NOAA/ESRL, Boulder, CO, UNITED STATES, Ru-Shan Gao, NOAA Earth System Research Laboratory, Chemical Sciences Laboratory, Boulder, United States, Richard McLaughlin, CU/CIRES - NOAA/ESRL, Boulder, United States, Troy D Thornberry, NOAA Earth System Research Laboratory, Chemical Sciences Division, Boulder, United States and Andrew W Rollins, NOAA Chemical Sciences Laboratory, Boulder, CO, United States
 
An evaluation of anthropogenic sources of submicron particulate halogens in East Asia (1096944)
Dongwook Kim1, Pedro Campuzano-Jost1, Benjamin Nault2,3, Doug A Day1, Jason Clay Schroder4, Joshua P DiGangi5, Sally E. Pusede6, Glenn S Diskin7, Donald Ray Blake8, Andrew John Weinheimer9 and Jose L. Jimenez10, (1)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, United States, (2)University of Colorado at Boulder, Department of Chemistry, Boulder, United States, (3)Aerodyne Research Inc., Billerica, United States, (4)Colorado Department of Public Health and Environment, Denver, United States, (5)NASA Langley Research Center, Hampton, VA, United States, (6)University of Virginia, Environmental Sciences, Charlottesville, VA, United States, (7)NASA Langley Research Ctr, Hampton, VA, United States, (8)University of California Irvine, Irvine, United States, (9)NCAR, Atmospheric Chemistry Observations and Modeling Laboratory, Boulder, CO, United States, (10)Cooperative Institute for Research in Environmental Sciences, Boulder, United States
 
Determining the Suitability of Noise Filtering HCHO Data using Harmonic and Fourier Analyses on the TEMPO Proxy Dataset (1097995)
Sarah Hafer-Martin1, Walter E Baskin2, Matthew Tisdale3, Ashlee Autore3, Iman Nasif3, Georgina Hayes-Crepps4, Daniel Kaufman4, Harsh Patel4 and Austin Anderson4, (1)Science Systems & Applications Inc., Newport News, United States, (2)NASA ASDC (SSAI Contractor), Hampton, United States, (3)NASA Langley Research Center, Hampton, VA, United States, (4)NASA Langley Research Center, Hampton, United States
 
Characterization of Compost Emissions using Gas-Chromatography Methods (1098389)
Shastine Huddleston, Lewis-Clark State College, Lewiston, ID, United States, Rosario C Morales, Lewis-Clark State College, Lewiston, United States and Nancy A C Johnston, Lewis-Clark State College, Physical, Life, Movement, and Sport Sciences Division, Lewiston, ID, United States
 
Five-Year Study of Volatile Organic Compounds in an Intermountain West Valley Region (1098534)
Dalynn Kenerson1, Gabrielle N Dickinson1, Nancy A C Johnston1 and Birgit Bradel-Tretheway2, (1)Lewis-Clark State College, Physical, Life, Movement, and Sport Sciences Division, Lewiston, ID, United States, (2)Lewis-Clark State College, Physical, Life, Movement, and Sport Sciences Division, Lewiston, United States
 
Impacts of Improved Process Representation of Particle Dry Deposition on PM Pollution in a Global Chemistry-Climate Model: Differences Across Regions, Seasons, and PM Sizes (1108702)
Rebecca Seemann1, Olivia Clifton2, Susanne Bauer3 and Kostas Tsigaridis3,4, (1)University of North Dakota, Chemical Engineering Department, Grand Forks, United States, (2)NASA Goddard Institute for Space Studies, New York, NY, United States, (3)NASA Goddard Institute for Space Studies, New York, United States, (4)Columbia University, New York, United States
 
U.S. non-CO2 greenhouse gas emissions for 2007 – 2020 derived from atmospheric observations (1112748)
Lei Hu1, Stephen A Montzka2, Arlyn Andrews1, Edward J Dlugokencky1, Isaac J Vimont1, Colm Sweeney1, Jon David Nance3, Kirk W Thoning4, Sergio Ibarra Espinosa1, Brad David Hall5, Scot M Miller6, Deborah Ottinger7, Stephanie Bogle7, Dave Godwin8, Phil DeCola9, Luke Western10, Cynthia D Nevison11 and Lori Bruhwiler1, (1)NOAA, Global Monitoring Laboratory, Boulder, United States, (2)NOAA/ESRL Global Monitoring Division, Boulder, CO, United States, (3)Cooperative Institute for Research in Environmental Sciences, Boulder, CO, United States, (4)NOAA, Global Monitoring Laboratory, Boulder, CO, United States, (5)NOAA Boulder, Boulder, United States, (6)Harvard University, Cambridge, United States, (7)US EPA, Washington, D.C., United States, (8)US Environmental Protection Agency, Washington DC, United States, (9)Sigma Space Corporation, Lanham, MD, United States, (10)University of Bristol, School of Chemistry, Bristol, BS8, United Kingdom, (11)INSTAAR/University of Colorado, Boulder, CO, United States
 
The Next Generation University of Wyoming King Air Research Aircraft: an Observing Platform for Studying Atmospheric Chemistry and Composition (1118246)
Dana Caulton1, Jeffrey French1, Bart Geerts2, Matt Burkhart1, Sam Haimov1, Nicholas Ryan Mahon1, Shane M Murphy2 and Zhien Wang3, (1)University of Wyoming, Atmospheric Science, Laramie, United States, (2)University of Wyoming, Atmospheric Science, Laramie, WY, United States, (3)University of Colorado at Boulder, Boulder, CO, United States
 
Quantifying ammonia (NH3) emissions from concentrated animal feeding operations (CAFOs) in northeastern Colorado during the summer of 2021 (1122477)
Julieta Juncosa1, Ilana Pollack2, Amy Sullivan2, Joseph R Roscioli3, Dana Caulton4, Megan McCabe5, En Li2, Jeffrey R Pierce6 and Emily V Fischer7, (1)Colorado State University, Atmospheric Science, Fort Collins, United States, (2)Colorado State University, Department of Atmospheric Science, Fort Collins, United States, (3)Aerodyne Research, Inc., Billerica, United States, (4)University of Wyoming, Atmospheric Science, Laramie, United States, (5)University of Wyoming, Department of Atmospheric Sciences, Laramie, WY, United States, (6)Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States, (7)Colorado State University, Atmospheric Science, Fort Collins, CO, United States
 
Inorganic Gas-Aerosol Partitioning in and around Concentrated Animal Feeding Operations (1124004)
En Li1, Jeffrey R Pierce2, Julieta F Juncosa Calahorrano1, Amy Sullivan1, Ilana Pollack1, Dana Caulton3, Megan McCabe4 and Emily V Fischer5, (1)Colorado State University, Department of Atmospheric Science, Fort Collins, United States, (2)Colorado State University, Department of Atmospheric Science, Fort Collins, CO, United States, (3)University of Wyoming, Atmospheric Science, Laramie, United States, (4)University of Wyoming, Department of Atmospheric Sciences, Laramie, WY, United States, (5)Colorado State University, Atmospheric Science, Fort Collins, CO, United States
 
The unprecedented rapid aerosol formation from the Hunga Tonga -Hunga Haˈapai eruption (Invited) (1124869)
Elizabeth Asher1,2, Michael Todt1,2, Karen Hepler Rosenlof2, Troy D Thornberry2, Ru-Shan Gao2, Ghassan Taha3,4, Paul J. Walter5, Sergio Luiz Alvarez6, James Flynn6, Sean M Davis2, Stephanie Evan7,8, Jerome F Brioude7, Emrys Hall9,10, Patrick Cullis9,10, Kensy Xiong9,10, Dale F Hurst9,10, Penny Smale11 and Richard Querel11, (1)Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, United States, (2)NOAA Chemical Sciences Laboratory, Boulder, United States, (3)Universities Space Research Association Greenbelt, Greenbelt, MD, United States, (4)Morgan State University, Baltimore, United States, (5)St. Edward's University, School of Natural Sciences, Austin, TX, United States, (6)University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States, (7)CNRS / Université de La Réunion / Météo-France, Laboratoire de l'Atmosphere et des Cyclones (LACy), Saint-Denis, Reunion, (8)CIRES, Boulder, United States, (9)Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, CO, United States, (10)NOAA Global Monitoring Laboratory, Boulder, United States, (11)National Institute of Water & Atmospheric Research (NIWA), Lauder, New Zealand
 
The N2O Lifetime is Currently Decreasing, Probably Due to Climate Change (1130697)
Michael J Prather, University of California Irvine, Earth System Science Department, Irvine, CA, United States
 
A Comparative Analysis of Aerosol Vertical Profiles over Two Metropolitan Areas in Korea during KORUS-AQ Campaign (1135736)
Kim Jongmin1, Hyo-Jung Lee2, Hyun-Young Jo3, Yu-Jin Jo4 and Cheol-Hee Kim2, (1)Pusan National University, Department of Atmospheric Sciences, Busan, Korea, Republic of (South), (2)Pusan National University, Department of Atmospheric Sciences, Busan, South Korea, (3)Pusan National University, Institute of Environmental Studies, Busan, Korea, Republic of (South), (4)University of Florida, Gainesville, United States
 
Connect column aerosol optical depth (AOD) with surface PM2.5 concentration and extinction (1137414)
Qian Tan1, Hongbin Yu2, Mian Chin2 and Gao Chen3, (1)Bay Area Environmental Research Institute Moffett Field, Moffett Field, CA, United States, (2)NASA Goddard Space Flight Center, Greenbelt, United States, (3)NASA Langley Research Ctr, Hampton, VA, United States
 
Oxidative Potential of Solid Fuel Burning Emissions: Effect of Burning Conditions (1141711)
Vikram Choudhary1,2, Jenny Chau Khac1, Max Loebel Roson1, Tarun Gupta3 and RAN Zhao1, (1)University of Alberta, Chemistry, Edmonton, AB, Canada, (2)Indian Institute of Technology Kanpur, Civil Engineering, Kanpur, India, (3)Indian Institute of Technology Kanpur, Department of Civil Engineering, Kanpur, India
 
Chemical composition and revolution of PM1.0 by aircraft-based measurement on the large point sources in Korea (1142098)
Taehyun Park1, Jihee Ban2, Seokwon Kang3, Gracie Wong4, Jihun Son5, Beom-Keun Seo6, Jongho Kim7, Saewung Kim8, Yong Pyo Kim9 and Taehyoung Lee3, (1)Hankuk University of Foreign Studies, Yongin, South Korea, (2)Hankuk University of Foreign Studies, Environmental Science, Yongin, Korea, Republic of (South), (3)Hankuk University of Foreign Studies, Environmental Science, Yongin, South Korea, (4)University of California, Irvine, Department of Earth System Science, Irvine, United States, (5)Hanseo University, Environmental Engineering, Seosan, South Korea, (6)Hanseo University, Institute of Environment Research, Seosan, South Korea, (7)Hanseo University, Infra System, Seosan, South Korea, (8)University of California Irvine, Department of Earth System Science, Irvine, United States, (9)Ewha Womans University, Department of Chemical Engineering and Materials Science, Seoul, South Korea
 
Carbon and Hydrogen Isotopic Fingerprints of Methane from Canadian Boreal Forest Wetlands. (1143536)
Euan G Nisbet1, Rebecca Fisher2, Carina van der Veen3, Thomas Röckmann4, CMR Fowler5, David Lowry2, James L France6, Peter Nisbet-Jones2 and Ceres Woolley Maisch7, (1)Royal Holloway University of London, Egham, TW20, United Kingdom, (2)Royal Holloway, University of London, Earth Sciences, Egham, United Kingdom, (3)Utrecht University, Institute for Marine and Atmospheric research Utrecht (IMAU), Utrecht, Netherlands, (4)Utrecht University, Utrecht, Netherlands, (5)University of Cambridge, Cambridge, United Kingdom, (6)Environmental Defense Fund & Royal Holloway University, London, United Kingdom, (7)Royal Holloway University of London, Egham, United Kingdom
 
Quantifying and Understanding Compositional Change of CO2/air in Reference Gas Cylinders (1147008)
Tamae M Wong1, Daniel Siderius2, Joseph T Hodges3, James Schmidt4, Kimberly Harris4, Walter R Miller Jr2 and James R Whetstone5, (1)National Institute of Standards and Technology, Gaithersburg, United States, (2)National Institute of Standards and Technology Gaithersburg, Gaithersburg, United States, (3)NIST, Gaithersburg, MD, United States, (4)NIST, Gaithersburg, United States, (5)National Institute of Standards and Technology Gaithersburg, Gaithersburg, MD, United States
 
The Evolutions and Large-scale Mechanisms of Summer Stratospheric Ozone Intrusion across Global Hotspots (1149725)
Jae Won Lee1, Yutian Wu1 and Xinyue Wang2, (1)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (2)National Center for Atmospheric Research, Boulder, United States
 
Understanding the effects of International Shipping NOx Emissions on Global Surface Ozone Concentrations based on Global Model Calculations using three different approaches (1152401)
Aditya Nalam, Institute for Advanced Sustainability Studies, Potsdam, Germany, Tim M Butler, IASS potsdam, Potsdam, Germany, Mariano Mertens, German Aerospace Center DLR Oberpfaffenhofen, Institute of Atmospheric Physics, Oberpfaffenhofen, Germany and jan Eiof Jonson, Norwegian Meteorological Institute, Oslo, Norway
 
Chemical characteristics of potential secondary aerosol using Oxidation Flow Reactor (OFR) in the background atmosphere of Korea (1153894)
Seokwon Kang1, Taehyun Park1, Jihee Ban2, Gyutae Park3,4, Kyunghoon Kim1, Sungchul Hong5, Yongmi Lee6, Choi Jin Soo7 and Taehyoung Lee1, (1)Hankuk University of Foreign Studies, Environmental Science, Yongin, South Korea, (2)Hankuk University of Foreign Studies, Environmental Science, Yongin, Korea, Republic of (South), (3)National Institute of Environmental Research, Transportation Pollution Research Center, Incheon, South Korea, (4)NIER National Institute of Environmental Research, Transportation Pollution Research Center, Incheon, Korea, Republic of (South), (5)NIER National Institute of Environmental Research, Incheon, South Korea, (6)National Institute of Environmental Research, Environmental Satellite Center, Incheon, South Korea, (7)NIER National Institute of Environmental Research, Climate and Air Quality Research, Incheon, South Korea
 
What’s responsible for recent changes in atmospheric methane? (Invited) (1156394)
Paul I Palmer1,2, Liang Feng3, Mark Lunt4, Sonja S. Folwell5, Alice Drinkwater6, Christopher Taylor7, Chris Huntingford5, Nicola Gedney8, Robert Parker9, Hartmut Boesch9 and Tim Arnold10, (1)University of Edinburgh, School of GeoSciences, Edinburgh, United Kingdom, (2)National Centre for Earth Observation (NCEO), Leicester, United Kingdom, (3)University of Edinburgh, NCEO, Edinburgh, EH9, United Kingdom, (4)University of Edinburgh, Edinburgh, EH9, United Kingdom, (5)Centre for Ecology and Hydrology, Wallingford, United Kingdom, (6)University of Edinburgh, Edinburgh, United Kingdom, (7)UK Centre for Ecology & Hydrology, Wallingford, United Kingdom, (8)Met Office Hadley center for Climate Change, Exeter, United Kingdom, (9)University of Leicester, Leicester, United Kingdom, (10)National Physical Laboratory, Tedddington, United Kingdom
 
Temporal variability of tropospheric ozone and ozone profiles in Korean Peninsula during the East Asian summer monsoon: Insights from multiple measurements and reanalysis datasets (1159425)
Juseon Bak1, Eun-Ji Song2, Hyo-Jung Lee3, Xiong Liu4, Ja-Ho Koo5, Joowan Kim6, Wonbae Jeon3, Jae H Kim7 and Cheol-Hee Kim3, (1)Pusan National University, Institute of Environmental Studies, Busan, Korea, Republic of (South), (2)Research Center for Climate Sciences, Pusan National University, Busan, South Korea, (3)Pusan National University, Department of Atmospheric Sciences, Busan, South Korea, (4)Center for Astrophysics | Harvard & Smithsonian, Cambridge, United States, (5)Yonsei University, Department of Atmospheric Sciences, Seoul, South Korea, (6)Kongju National University, Department of Atmospheric Science, Gongju, South Korea, (7)Pusan National University, Busan, South Korea
 
Understanding the Distribution of VSLS and Their Interhemispheric Transport Based on Global Model Simulation and Measurement Data (1159532)
Behrooz Roozitalab1, Rebecca S Hornbrook2, Louisa K Emmons3, Douglas Edward Kinnison4, Siyuan Wang5, Alfonso Saiz-Lopez6, Qinyi Li6, Stephen A Montzka7, Donald Ray Blake8, Elliot L Atlas9 and Eric C Apel1, (1)National Center for Atmospheric Research, Boulder, CO, United States, (2)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, United States, (3)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder, United States, (4)NCAR, Boulder, CO, United States, (5)NOAA Chemical Sciences Laboratory, Boulder, United States, (6)Spanish National Research Council, Department of Atmospheric Chemistry and Climate, Institute of Physical Chemistry Rocasolano (CSIC), Madrid, Spain, (7)NOAA/ESRL Global Monitoring Division, Boulder, CO, United States, (8)University of California Irvine, Irvine, United States, (9)University of Miami, Miami, United States
 
High Chlorine Emissions from Unconventional Oil and Gas Development Impact Atmospheric Composition through Radical Chemistry (1160651)
Lea Hildebrandt Ruiz1, Nirvan Bhattacharyya2, Catherine Masoud2, Kristi McPherson2, Leif G. Jahn2, Pearl Abue2, Mrinali Modi2, Kanan Patel2, Daniel Blomdahl3, Anita M Avery4, William H Brune5, Andrew T Lambe6 and Pawel K Misztal3, (1)University of Texas at Austin, McKetta Department of Chemical Engineering, Austin, TX, United States, (2)University of Texas at Austin, McKetta Department of Chemical Engineering, Austin, United States, (3)University of Texas at Austin, Department of Civil, Architectural and Environmental Engineering, Austin, TX, United States, (4)Aerodyne Research Inc., Billerica, MA, United States, (5)Pennsylvania State University, University Park, PA, United States, (6)Aerodyne Research Inc., Billerica, United States
 
Impact of lubricant oil on aircraft primary and secondary particle formation (1161952)
Dogushan Kilic, University of Manchester, Department of Earth and Environmental Sciences, Manchester, United Kingdom and AVIATOR Consortium
 
Impact of Chemistry and Transport Processes above Nocturnal Boundary Layer on Surface PM2.5 in South Korea (1162164)
Hyo-Jung Lee1, Hyun-Young Jo2, Yu-Jin Jo3, Kim Jongmin1, Juseon Bak2, Wonbae Jeon4 and Cheol-Hee Kim4, (1)Pusan National University, Department of Atmospheric Sciences, Busan, Korea, Republic of (South), (2)Pusan National University, Institute of Environmental Studies, Busan, Korea, Republic of (South), (3)University of Florida, Gainesville, United States, (4)Pusan National University, Department of Atmospheric Sciences, Busan, South Korea
 
Status and Performance of the Upcoming ALTIUS Limb Mission (1162865)
Emmanuel Dekemper1, Noel Baker1, Antonin Berthelot1, Adam E Bourassa2, Doug A Degenstein2, Philippe Demoulin1, Quentin Errera1, Michael Francois3, Ghislain Franssens1, Didier Fussen1, Nina Mateshvili1, Daniel Navarro-Reyes3, Didier Pieroux1, Sotiris Sotiriadis1 and Daniel Zawada4, (1)Royal Belgian Institute for Space Aeronomy, Brussels, Belgium, (2)University of Saskatchewan, Department of Physics & Engineering Physics, Saskatoon, SK, Canada, (3)European Space Agency, Noordwijk, Netherlands, (4)University of Saskatchewan, Saskatoon, SK, Canada
 
Spatial Distribution and Emission Fluxes of SO2 and NO2 from the Tula Industrial Complex, Mexico (1167027)
Claudia I Rivera1, Hugo A. Barrera-Huertas2, Thiare Arellano1 and Miroslava Trueba2, (1)Universidad Nacional Autonoma de Mexico, Mexico City, Mexico, (2)Instituto Politécnico Nacional, Mexico City, Mexico
 
Modeling the Impact of Heterogeneous Reactions of Chlorine on Springtime Nitrate Formation in Seoul, South Korea (1167206)
Hyun-Young Jo1, Hyo-Jung Lee2, Jaehyeong Park3, Yu-Jin Jo4, Jong-Min Kim5, Dongjin Kim6, Pengfei Liu7, Yiming Liu8, Wonbae Jeon2 and Cheol-Hee Kim2, (1)Pusan National University, Institute of Environmental Studies, Busan, Korea, Republic of (South), (2)Pusan National University, Department of Atmospheric Sciences, Busan, South Korea, (3)Pusan National University, Division of Earth Environmental System, Busan, South Korea, (4)University of Florida, Gainesville, United States, (5)Pusan National University, Busan, South Korea, (6)Pusan National University, Division of Earth Environmental System, Busan, Korea, Republic of (South), (7)Georgia Institute of Technology, School of Earth and Atmospheric Sciences, Atlanta, United States, (8)Sun Yat-sen University, Guangzhou, China
 
MELODIES MONET - A New Community Diagnostic Tool for Evaluating Air Quality and Atmospheric Chemistry Models Against Observations (1170870)
Rebecca Schwantes1, Louisa K Emmons2, Barry Baker3, Zachary Moon4, David Fillmore5, Jian He6, Colin Harkins7, Margaret Bruckner8, Jordan Schnell9, Rebecca R Buchholz10, Duseong Jo11, Meng Li12, Brian C McDonald1 and Gregory J Frost13, (1)NOAA Chemical Sciences Laboratory, Boulder, United States, (2)National Center for Atmospheric Research (NCAR), Atmospheric Chemistry Observations & Modeling Laboratory (ACOM), Boulder, United States, (3)NOAA Air Resources Laboratory, Chemical Modeling and Emissions Group, College Park, United States, (4)NOAA Air Resources Laboratory, College Park, United States, (5)NCAR ACOM, Boulder, United States, (6)NOAA ESRL/CSL and CU Boulder/CIRES, University of Colorado, Boulder, United States, (7)Cooperative Institute for Research in Environmental Sciences, University of Colorado Boulder, Boulder, United States, (8)University of Wisconsin Madison, Madison, WI, United States, (9)Cooperative Institute for Research in Environmental Sciences (CIRES), University of Colorado Boulder and NOAA ESRL Global Systems Laboratory, Boulder, CO, United States, (10)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, CO, United States, (11)ACOM/NCAR, Boulder, United States, (12)NOAA ESRL/CSL and CU Boulder/CIRES, Boulder, United States, (13)NOAA Chemical Sciences Laboratory, NOAA Earth System Research Laboratories, Boulder, United States
 
An assessment of the performance of bias correction techniques for surface ozone burdens simulated by global chemistry-climate models (1175887)
Christoph Staehle1,2, Ramiro Checa-Garcia1, Harald E Rieder1 and Arlene M Fiore2, (1)BOKU University of Natural Resources and Life Sciences, Institute of Meteorology and Climatology, Vienna, Austria, (2)Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, United States
 
Investigating Organic Emissions and Their Contribution to Particle Growth in Remote Marine Environment (1183112)
Olga Garmash1, Sneha Aggarwal2, Delaney B. Kilgour3, Christopher Jernigan3, Julika Zinke2, Xianda Gong4, Shengqian Zhou4, Jiaoshi Zhang4, Bruno Cunha5, Tercio Silva5, Matt E Salter2, Paul Zieger2, Jian Wang4, Timothy H Bertram3, Claudia Mohr2 and Joel A Thornton1, (1)University of Washington, Department of Atmospheric Sciences, Seattle, United States, (2)Stockholm University, Department of Environmental Science and Analytical Chemistry, Stockholm, Sweden, (3)University of Wisconsin Madison, Department of Chemistry, Madison, United States, (4)Washington University in St. Louis, Center for Aerosol Science and Engineering, Department of Energy, Environmental and Chemical Engineering, St. Louis, United States, (5)Atmospheric Radiation Measurement Eastern North Atlantic Site, Graciosa-Azores, Portugal
 
From the Ground Up: Stratospheric Aerosol and Gas Experiment III on the International Space Station(SAGE III/ISS) Comparison of Vertical Profiles with 2022 Student Airborne Research Program (SARP) In Situ Data. (1183171)
Joseph Ryan Bennett1, Susan Kizer2, Carrie Roller3, Marilee Roell4, David E Flittner5, Brenna Biggs1 and Paul J. Walter6, (1)Bay Area Environmental Research Institute Moffett Field, Moffett Field, CA, United States, (2)Science Systems and Applications, Inc. Hampton, Hampton, VA, United States, (3)Science Systems and Applications, Inc. Hampton, Hampton, United States, (4)Science Directorate, NASA Langley Research Center, Hampton, VA, United States, (5)NASA Langley Research Center, Hampton, United States, (6)Ice911 Research Corporation, Menlo Park, United States
 
Key Species, Processes, and Uncertainties in the Unique Urban Coastal Atmosphere (1184249)
Linia Tashmim, University of California Riverside, Riverside, CA, United States and William C Porter, Department of Environmental Sciences, University of California, Riverside, United States
 
Toxicity change of various fine particles after aging (1185401)
Minhan Park, Ilhwa Seo and Kihong Park, Gwangju Institute of Science and Technology, Gwangju, South Korea
 
Tropospheric and stratospheric submicron aerosol chemical composition over the remote northern Pacific ocean during the TI3GER campaign. (1186788)
Dongwook Kim1, Pedro Campuzano-Jost1, Hongyu Guo2, Doug A Day1, John M Reeves3, Teresa Lynn Campos4, Alessandro Franchin5, Rebecca S Hornbrook6, Alan J Hills7, Eric C Apel5, Yuk Chun Chan8, Lyatt Jaegle9 and Jose L. Jimenez1,10, (1)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, United States, (2)University of Colorado at Boulder, Cooperative Institute for Research in Environmental Sciences (CIRES) and Department of Chemistry, Boulder, CO, United States, (3)NCAR, Broomfield, United States, (4)Natl Ctr Atmospheric Research, Boulder, CO, United States, (5)National Center for Atmospheric Research, Boulder, CO, United States, (6)National Center for Atmospheric Research, Atmospheric Chemistry Observations & Modeling Laboratory, Boulder, United States, (7)NCAR, Boulder, CO, United States, (8)University of Washington, Department of Atmospheric Sciences, Seattle, United States, (9)University of Washington, Department of Atmospheric Sciences, Seattle, WA, United States, (10)Cooperative Institute for Research in Environmental Sciences, Boulder, United States
 
Physico-chemical Characteristics and Formation of Fine particles in Suburban Environment: based on the Downwind of Seoul (1191805)
Jeongin Song1, Seokwon Kang1, Jihee Ban2, Taehyun Park1, Inseon Park1, Jihyun Hwang1 and Taehyoung Lee1, (1)Hankuk University of Foreign Studies, Environmental Science, Yongin, South Korea, (2)Hankuk University of Foreign Studies, Environmental Science, Yongin, Korea, Republic of (South)
 
Remote Marine Boundary Layer Observations - Evaluating a New Atmospheric Pressure Ion-Molecule Reaction Region (1192518)
Philip Rund1, Joel A Thornton2, Ben Lee1, Becky Alexander2, Andrew Peters3, Lucy Carpenter4, Lewis Marden5, John W Halfacre5, Marvin Shaw6, Pete Edwards6, Will Stephen Drysdale4, Jochen Stutz7, Alyson Fritzmann8 and Gordon Novak9, (1)University of Washington Seattle Campus, Department of Atmospheric Sciences, Seattle, WA, United States, (2)University of Washington, Department of Atmospheric Sciences, Seattle, United States, (3)Bermuda Institute of Ocean Sciences, St.George's, Bermuda, (4)University of York, Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, York, United Kingdom, (5)University of York, York, United Kingdom, (6)Wolfson Atmospheric Chemistry Laboratories, Department of Chemistry, University of York, York, United Kingdom, (7)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, CA, United States, (8)University of California Los Angeles, Department of Atmospheric and Oceanic Sciences, Los Angeles, United States, (9)NOAA, Boulder, United States
 
Estimation of NH3 and PM1 emissions in large point sources in Chungnam province using aircraft-based measurement (1192854)
Jihee Ban1, Taehyun Park2, Seokwon Kang2, Gracie Wong3, Beom-Keun Seo4, Jongho Kim5, Saewung Kim3, Yong Pyo Kim6 and Taehyoung Lee2, (1)Hankuk University of Foreign Studies, Environmental Science, Yongin, Korea, Republic of (South), (2)Hankuk University of Foreign Studies, Environmental Science, Yongin, South Korea, (3)University of California, Irvine, Department of Earth System Science, Irvine, United States, (4)Hanseo University, Institute of Environment Research, Seosan, South Korea, (5)Hanseo University, Seosan-si, South Korea, (6)Ewha Womans University, Department of Chemical Engineering and Materials Science, Seoul, South Korea
 
In Situ Stratospheric Chemistry Observations in Background and Convectively Injected Air over the United States in Summer 2021/2022 (1192855)
David M Wilmouth, Harvard University, Harvard John A Paulson School of Engineering and Applied Sciences, Cambridge, United States, Jessica B Smith, Harvard Univ/Anderson Group, Cambridge, United States, David S Sayres, Harvard University, Cambridge, MA, United States, Apoorva Pandey, Washington University in St Louis, St. Louis, MO, United States and Jennifer S Hare, Harvard University, Cambridge, United States
 
The Physico-chemical Characteristics and the Formation Mechanism of PM2.5 in Suburban Environment in Korea (1193373)
Inseon Park1, Seokwon Kang1, Jeongin Song1, Kyunghoon Kim1, Jihyun Hwang1, Taehyun Park1, Jihee Ban2 and Taehyoung Lee1, (1)Hankuk University of Foreign Studies, Environmental Science, Yongin, South Korea, (2)Hankuk University of Foreign Studies, Environmental Science, Yongin, Korea, Republic of (South)
 
Development of Semi-continuous Monitoring Techniques for Atmospheric HNO3 (1193619)
Jihyun Hwang1, Kyunghoon Kim1, Taehyun Park1, Seokwon Kang1, Jihee Ban2, Jeongin Song1, Inseon Park1 and Taehyoung Lee1, (1)Hankuk University of Foreign Studies, Environmental Science, Yongin, South Korea, (2)Hankuk University of Foreign Studies, Environmental Science, Yongin, Korea, Republic of (South)
 
Remote Sensing and Ground Integrated Observing System to Assess the Impact of Nocturnal Low Level Jets on the Air Quality in Baltimore, MD (1194288)
Maurice Roots, University of Maryland Baltimore County, Baltimore, MD, United States, John T Sullivan, NASA Goddard Space Flight Center, Greenbelt, MD, United States, Ruben Delgado, Hampton University, Hampton, VA, United States and Belay Demoz, University of Maryland Baltimore County, Department of Physics & JCET, Baltimore, United States
 
Spatio-temporal Pattern Analysis of Trace Gases and Aerosol Abundance Using Varimax Rotation and Locally Linear Embeddings (1194419)
John Motley McKinnon, Avelino F Arellano Jr and Chayan Roychoudhury, University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States
 
Project FOCI - Non-CO2 Forcers and Their Climate, Weather, Air Quality and Health Impacts (1196158)
Tomas Halenka, Charles University, Dept. of Atmospheric Physics, Prague, 180, Czech Republic, Ranjeet Sokhi, School of Physics, Engineering and Computer Science; University of Hertfordshire, Department of Physics, Astronomy and Mathematics, Hartfield, United Kingdom and FOCI team
 
Finding Missing Methane Using Ground-based Laser Heterodyne Radiometry of Stratospheric Hydrogen Fluoride (1197119)
David Bomse1, Anthony Gomez1, John Houston Miller2 and Monica Flores3, (1)Mesa Photonics, Santa Fe, United States, (2)The George Washington University, Washington, DC, United States, (3)The George Washington University, Chemistry, Washington, DC, United States
 
Interannual variation and trend in springtime carbon monoxide over the North Atlantic European region from the 2000s to 2010s (1199510)
Jane Liu1, Yi Liu2, Min Xie3, Keyan Fang4, David Walter Tarasick5, Honglei Wang6, Lingyun Meng3, Xugeng Cheng7, H Han8 and Xun Zhang2, (1)University of Toronto, Department of Geography and Planning, Toronto, ON, Canada, (2)Nanjing University, Nanjing, China, (3)School of Atmospheric Sciences, Nanjing University, Nanjing, China, (4)Key Laboratory of Humid Subtropical Eco-Geographical Process (Ministry of Education), Fujian Normal University, Fuzhou, China, (5)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (6)Nanjing University of Information Science and Technology, Nanjing, China, (7)Fujian Normal University, Fuzhou, China, (8)Beijing University, Beijing, China
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