A203
Aerosols and Air Pollution Extremes in South and Southeast Asia I

Tuesday, 15 December 2020: 17:30-18:30
Virtual
Primary Convener:  Tianjia Liu, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
Conveners:  Shradda Dhungel, NASA Goddard Institute for Space Studies, New York, NY, United States and Ritesh Gautam, Environmental Defense Fund, Washington, DC, United States
Primary Liaison:  Tianjia Liu, Harvard University, Department of Earth and Planetary Sciences, Cambridge, MA, United States
Chairs:  Ritesh Gautam, Environmental Defense Fund, Washington, DC, United States and Tianjia Liu, Columbia University of New York, Palisades, NY, United States
OSPA Liaison:  Shradda Dhungel, University of Virginia, Charlottesville, VA, United States
17:30
Garbage Burning in South Asia - How important is it to regional air quality? (Invited) (715070)
Eri Saikawa1, Qianru Wu2, Min Zhong2, Alexander Avramov3, Kirpa Ram4, Elizabeth A. Stone5, Chelsea Stockwell6, Thilina Jayarathne7, Arnico K Panday8 and Robert J Yokelson9, (1)Emory University, Environmental Sciences, Atlanta, GA, United States, (2)Emory University, Atlanta, GA, United States, (3)MIT, Cambridge, MA, United States, (4)Banaras Hindu University, Institute of Environment & Development, Varanasi, India, (5)University of Iowa, Iowa City, IA, United States, (6)University of Montana, Missoula, MT, United States, (7)Purdue University, Department of Chemistry, West Lafayette, IN, United States, (8)International Center for Integrated Mountain Development, Kathmandu, Nepal, (9)University of Montana, Department of Chemistry, Missoula, MT, United States
17:36
Source apportionment of regional aerosols and spatial variability from The 2nd Nepal Ambient Measurement and Source Testing Experiment [NAMaSTE]-2 in the Kathmandu valley, Nepal (747517)
Benjamin Werden1, Michael Giordano2, Khadak Mahata3, James Douglas Goetz4, Erin Katz1, Prakash Bhave5, Puppala S Praveen5, Robert J Yokelson6, Elizabeth A. Stone7, Arnico K Panday8 and Peter DeCarlo9, (1)Drexel University, Philadelphia, PA, United States, (2)CNRS, Paris Cedex 16, France, (3)Institute for Advanced Sustainability Studies (IASS), Potsdam, Germany, (4)Laboratory for Atmospheric and Space Physics, Boulder, CO, United States, (5)International Centre for Integrated Mountain Development, Kathmandu, Nepal, (6)University of Montana, Department of Chemistry, Missoula, MT, United States, (7)University of Iowa, Iowa City, IA, United States, (8)International Center for Integrated Mountain Development, Kathmandu, Nepal, (9)Johns Hopkins University, Department of Environmental Health and Engineering, Balitmore, MD, United States
17:42
The role of reduced aerosol levels during the COVID-19 lockdown on the Asian summer monsoon (682581)
Suvarna S Fadnavis1, T.P. Sabin1, Alexandru Rap2, Rolf Mueller3 and Anne Kubin4, (1)Indian Institute of Tropical Meteorology, Pune, India, (2)University of Leeds, School of Earth and Environment, Leeds, United Kingdom, (3)Forschungszentrum Juelich, Juelich, Germany, (4)Leibniz-Institut für Troposphärenforschung, Leibniz, Germany
17:48
Changing PM2.5 and related meteorology over India from 1950-2014: A new perspective from a chemistry-climate model ensemble (683569)
Sarah Hancock1, Arlene M Fiore2, Daniel Westervelt3, Gustavo J P Correa2 and J F Lamarque4, (1)Columbia University of New York, Palisades, CA, United States, (2)Columbia University, Palisades, NY, United States, (3)Columbia University of New York, Palisades, United States, (4)NCAR, Boulder, CO, United States
17:54
Connecting Crop Productivity, Residue Fires, and Air Quality over Northern India (Invited) (666421)
Hiren T Jethva1, Omar Torres2, Robert D Field3, Alexei Lyapustin2, Ritesh Gautam4 and Vinay K Kayetha5, (1)Universities Space Research Association, Columbia, MD, United States, (2)NASA Goddard Space Flight Center, Greenbelt, MD, United States, (3)University of Aizu, Aizu-Wakamatsu, Japan, (4)Environmental Defense Fund DC, Washington, United States, (5)Geophysical Institute, Fairbanks, AK, United States
18:00
Informing decision-making to mitigate the air quality and health impacts of agricultural residue burning in India using an adjoint modeling approach (768618)
Ruoyu Lan1, Sebastian David Eastham1, Tianjia Liu2, Leslie K Norford3 and Steven R H Barrett1, (1)Massachusetts Institute of Technology, Laboratory for Aviation and the Environment, Cambridge, MA, United States, (2)Harvard University, Earth and Planetary Sciences, Cambridge, MA, United States, (3)Massachusetts Institute of Technology, Architecture, Cambridge, MA, United States
18:06
Exploring model representation of aerosol pollution over India using airborne observations, surface measurements and remote sensing (682240)
Sidhant J Pai1, Colette L Heald1, Hugh Coe2, James Brooks3, S SURESH Babu4, S K Satheesh5, Mark Shephard6, Karen Elena Cady-Pereira7, Enrico Dammers8, Gan Luo9 and Fangqun Yu10, (1)Massachusetts Institute of Technology, Civil and Environmental Engineering, Cambridge, MA, United States, (2)University of Manchester, School of Earth and Environmental Sciences, Manchester, M13, United Kingdom, (3)University of Manchester, School of Earth and Environmental Sciences, Manchester, United Kingdom, (4)Space Physical Laboratory, Trivandrum, India, (5)Indian Institute of Science, Divecha Centre for Climate Change, Bangalore, India, (6)Environment and Climate Change Canada, Toronto, Canada, (7)Atmospheric and Environmental Research, Lexington, MA, United States, (8)Environment and Climate Change Canada, Air Quality Research Division, Toronto, ON, Canada, (9)SUNY Albany, Albany, NY, United States, (10)SUNY at Albany, Atmospheric Sciences Research Center, Albany, NY, United States
18:12
Detection of significant change in nitrogen oxides concentration and emission during COVID-19 lockdown in North India (691003)
Prakhar Misra1, Masayuki Takigawa2, Pradeep Khatri3, S K Dhaka4, A P Dimri5, Kazuyo Yamaji6, Mizuo Kajino7, Wataru Takeuchi8, Ryoichi Imasu9, Prabir Kumar Patra10 and Sachiko Hayashida1, (1)Research Institute for Humanity and Nature, Aakash Project, Kyoto, Japan, (2)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Yokohama, Japan, (3)Tohoku University, Graduate School of Science, Sendai, Japan, (4)Rajdhani College, University of Delhi, Delhi, India, (5)Jawaharlal Nehru University, School of Environmental Sciences, Delhi, India, (6)KOBE UNIVERSITY, Graduate School of Maritime Sciences, Kobe, Japan, (7)Meteor. Res. Inst., Tsukuba, Ibaraki, Japan, (8)University of Tokyo, Institute of Industrial Science, Bunkyo-ku, Japan, (9)University of Tokyo, Atmosphere and Ocean Research Institute, Bunkyo-ku, Japan, (10)JAMSTEC Japan Agency for Marine-Earth Science and Technology, Kanagawa, Japan
18:18
Composition and Evolution of Southeast Asian Biomass Burning Trace Gas Emissions during a September 2019 Borneo Burning Event (682073)
Joshua P DiGangi1, Glenn S Diskin2, Subin Yoon3, Sergio Luiz Alvarez3, James H Flynn III3, Claire E Robinson4, Michael Shook1, Kenneth Lee Thornhill II4, Edward Winstead4, Luke D Ziemba1, Richard Anthony Ferrare1, Sharon P Burton1, Marta A Fenn5, Amy Jo Scarino5, Chris A Hostetler1, Maria Obiminda L. Cambaliza6 and James Simpas7, (1)NASA Langley Research Center, Hampton, VA, United States, (2)NASA Langley Research Ctr, Hampton, VA, United States, (3)University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States, (4)Science Systems and Applications, Inc., Hampton, VA, United States, (5)Science Systems and Applications Inc., Hampton, VA, United States, (6)Ateneo de Manila University, Department of Physics, Quezon City, Philippines, (7)Manila Observatory, Quezon City, Philippines
18:24
Trends of Surface and Tropospheric Ozone over Southeast Asia and their drivers during 2005 to 2014 (680766)
Xiaolin Wang1, Tzung-May Fu1, Lin Zhang2, Xiao Lu2, Xiong Liu3, Teerachai Amnuaylojaroen4, Mohd Talib Latif5, Yaping Ma1, Lijuan Zhang2 and Xu Feng2, (1)Peking University, Beijing, China, (2)Peking University, Department of Atmospheric and Oceanic Sciences, Beijing, China, (3)Harvard-Smithsonian Center for Astrophysics, Cambridge, MA, United States, (4)University of Phayao, Phayao, Thailand, (5)Universiti Kebangsaan Malaysia, School of Environmental and Natural Resource Sciences, Faculty of Science and Technology, Bangi, Malaysia
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