C007
Air Pollution and its Impacts over the Cryosphere

Session ID#: 157488

Session Description:
Both locally-produced and remotely-transported air pollutants (aerosols and trace gases) in the cryosphere can affect regional air quality and public health, interact with atmospheric radiation and clouds, and modulate snow albedo and land and hydrological processes. Important relevant processes include but are not limited to halogen chemistry and secondary pollutant formation in the Arctic, aerosol-cloud-radiation interactions over polar regions and high mountains, and light-absorbing aerosol impacts on snow albedo and water resources. Although many advances have been made in resolving air pollution-cryosphere interactions in the past decades, our current knowledge is still limited. This session calls for both modeling and observational studies that aim to improve the understanding and quantification of chemical and physical processes related to air pollution and its hydro-climatic impacts over the cryosphere, such as pollutant source, formation, transport, spatiotemporal distribution, removal, interaction with clouds and radiation, and influence on snowpack, sea ice, and glaciers.
Index Terms:

0365 Troposphere: composition and chemistry [ATMOSPHERIC COMPOSITION AND STRUCTURE]
0736 Snow [CRYOSPHERE]
1621 Cryospheric change [GLOBAL CHANGE]
3359 Radiative processes [ATMOSPHERIC PROCESSES]

Primary Convener:  Cenlin He, National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States
Conveners:  Mark Flanner, University of Michigan, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, Rajesh Kumar, National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States and Chaoliu Li, State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
Student/Early Career Convener:  Cenlin He, National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States
 
Development of the portable PM2.5 measurement system for cold regions for the Cryosphere and PM2.5 observations with the system in Alaska and Japan (1043412)
Teppei J Yasunari1, Shigeto Wakabayashi2, Yutaka Matsumi3, Sumito Matoba4, Tatsuhiro Watanabe5, Fumihiro Takahashi6, Sei-ichi Saitoh1, Sachinobu Ishida7 and Sento Nakai8, (1)Hokkaido University, Arctic Research Center, Sapporo, Japan, (2)Hokkaido University, School of Engineering, Sapporo, Japan, (3)Nagoya University, Institute for Space-Earth Environmental Research, Nagoya-Shi, Japan, (4)Hokkaido University, Institute of Low Temperature Science, Sapporo, Japan, (5)WDB Co., Ltd., Sapporo, Japan, (6)Green & Life Innovation, Inc., Hakodate, Japan, (7)Hirosaki University, Aomori, Japan, (8)Snow and Ice Research Center, National Research Institute for Earth Science and Disaster Resilience, Nagaoka, Japan
 
Modeling near surface atmospheric chemistry over the central Arctic Ocean during spring (Invited) (1047284)
Jennie L Thomas1, Shaddy Ahmed1, Rémy Lapere1, Louis Marelle2, Helene Angot3, Jean-Christophe Raut4 and Aurélien Dommergue1, (1)Institut des Géosciences de l’Environnement (IGE), Grenoble, France, (2)Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Paris, France, (3)Ecole Polytechnique Fédérale de Lausanne (EPFL), Extreme Environments Research Laboratory, Sion, Switzerland, (4)LATMOS/IPSL, Sorbonne Université, UVSQ, CNRS, Paris, France
 
Impact of anthropogenic inputs on Pb content of moss Sanionia uncinata (Hedw.) Loeske in King George Island, West Antarctica (1048372)
Jong-Sik Ryu, Pukyong National University, Busan, Korea, Republic of (South), Hyoun Soo Lim, Pusan National University, Busan, Korea, Republic of (South), Ji-Hoon Kim, KIGAM, Daejeon, Korea, Republic of (South) and Ok-Sun Kim, Korea Polar Research Insitute, Incheon, South Korea
 
Overestimation of light absorption of brown carbon by using filters with large pore size and its implications for related study at glacier region of the Tibetan Plateau (1054553)
Chao Zhang1,2, Shaopeng Gao3, Yan Fangping4, Kang Shichang2,5, Cenlin He6 and Chaoliu Li2,7, (1)ITP Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China, (2)University of Chinese Academy of Sciences, Beijing, China, (3)Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China, (4)Northwest Institute of Eco-Environment and Resources, CAS Chinese Academy of Sciences, Lanzhou, China, (5)Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, China, (6)National Center for Atmospheric Research, Research Applications Laboratory, Boulder, United States, (7)State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China
 
Molecular Compositions, Optical Properties, and Implications of Dissolved Brown Carbon in Snow/Ice on the Tibetan Plateau Glaciers (1065667)
Xiaofei Li, Shaanxi University of Science and Technology, School of Environmental Science and Engineering, Xi'an, China, Pingqing Fu, Institute of Surface-Earth System Science, School of Earth System Science, Tianjin University, Tianjin, China, Cao Junji, Key laboratory of Aerosol Chemistry and Physics, SKLLQG, Institute of Earth Environment, Chinese Academy of Science, Xi’an, China, Xi'an, China and Kang Shichang, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, China
 
Where Does the Dust Deposited over the Sierra Nevada Snow Come From? (1069832)
Huilin Huang1, Yun Qian1, Ye Liu1, Cenlin He2, Jianyu Zheng3, Zhibo Zhang4 and Antonis Gkikas5, (1)Pacific Northwest National Laboratory, Richland, United States, (2)National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States, (3)University of Maryland Baltimore County, Baltimore, MD, United States, (4)University of Maryland Baltimore County, Baltimore, United States, (5)Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens, Athens, Greece
 
Coupling of Decreased Snow Accumulation and Increased Light-absorbing Particles Accelerates Glacier Retreat in the Tibetan Plateau (1077678)
Fangping Yan1, Chaoliu Li1, Chao Zhang1 and Cenlin He2, (1)State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China, (2)University of California Los Angeles, Los Angeles, United States
 
Preliminary Analyses of Trace Elements in Single Particles from Surface Snow Deposited in the Urban Environment of Columbus, Ohio (1079316)
Lucas Carter1,2, Paolo Gabrielli2, John Olesik1, Madeleine C Lomax-Vogt1 and Mary G Raker1, (1)The Ohio State University, School of Earth Sciences, Columbus, United States, (2)The Ohio State University, Byrd Polar and Climate Research Center, Columbus, United States
 
Progresses in Atmospheric Pollution and Cryospheric Change (APCC) Program over the Third Pole Region (Invited) (1083644)
Shichang Kang, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, China, Yulan Zhang, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, SKLCS, Lanzhou, China and Qianggong Zhang, Institute of Tibetan Plateau Research, Chinese Academy of Sciences, Beijing, China
 
Dust dominates the summer melting of glacier ablation zones on the northeastern Tibetan Plateau (1084534)
Yang Li1, Kang Shichang2, Chaoliu Li3, Lili Shao1 and Lide Tian4, (1)Yunnan University, Kunming, China, (2)Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, State Key Laboratory of Cryospheric Science, Lanzhou, China, (3)State Key Laboratory of Cryospheric Sciences, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Sciences, Lanzhou, China, (4)Institute of International Rivers and Eco-security, Yunnan University, Kunming, China
 
Revised Historical Black Carbon Emissions based on Atmospheric Modelling, Ice Core Records and an Inverse Algorithm (1104178)
Sabine Eckhardt1, Ignacio J Pisso1, Nikolaos Evangeliou2, Christine Groot Zwaaftink3, Andreas Plach4, Joseph R McConnell5, Michael Sigl6, Meri Ruppel7, Christian Zdanowicz8, Seahee Lim9, Nathan Chellman10, Thomas Opel11, Hanno Meyer12, Joergen Peder Steffensen13, Margit Schwikowski14 and Andreas Stohl15, (1)Norwegian Institute for Air Research, Kjeller, Norway, (2)Norwegian Institute for Air Research, Atmospheric and Climate Research, Kjeller, Norway, (3)NILU - Norwegian Institute for Air Research, Kjeller, Norway, (4)University of Vienna, Vienna, Austria, (5)Desert Res Inst, Reno, United States, (6)University of Bern, Climate and Environmental Physics, Bern, Switzerland, (7)University of Helsinki, Helsinki, Finland, (8)Uppsala University, Earth Sciences, Uppsala, Sweden, (9)Korea University, Department of Earth and Environmental Sciences, Seoul, South Korea, (10)Desert Research Institute, Division of Hydrologic Science, Reno, United States, (11)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Potsdam, Potsdam, Germany, (12)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (13)University of Copenhagen, Physics of ice, climate and earth, Niels Bohr Institute, Copenhagen, Denmark, (14)Paul Scherrer Institute, Villigen, Switzerland, (15)University of Vienna, Department of Meteorology and Geophysics, Vienna, Austria
 
Brown Carbon Fuel and Emission Source Attributions to Global Snow Darkening Effect (1116659)
Hunter Brown1, Hailong Wang2, Mark Flanner3, Xiaohong Liu4, Balwinder Singh5, Rudong Zhang2, Yang Yang6 and Mingxuan Wu7, (1)Sandia National Laboratories, Albuquerque, NM, United States, (2)Pacific Northwest National Laboratory, Richland, WA, United States, (3)University of Michigan, Department of Climate and Space Sciences and Engineering, Ann Arbor, MI, United States, (4)Texas A&M University College Station, Department of Atmospheric Sciences, College Station, United States, (5)Pacific Northwest National Lab, Richland, United States, (6)Nanjing University of Information Science and Technology, Nanjing, China, (7)Pacific Northwest National Laboratory, Atmospheric Sciences and Global Change Division, Richland, WA, United States
 
Impacts of snow grain shape and mixing state of light-absorbing particles-snow on surface fluxes over the Tibetan Plateau (1118603)
Dalei Hao1, Gautam Bisht2, Karl Rittger3, Ned Bair4, Hailong Wang2, Cenlin He5, Huilin Huang6, Cheng Dang7, Timbo Stillinger8, Yu Gu9, Yun Qian10 and L. Ruby Leung1, (1)Pacific Northwest National Laboratory, Atmospheric Sciences and Global Change Division, Richland, WA, United States, (2)Pacific Northwest National Laboratory, Richland, WA, United States, (3)University of Colorado at Boulder, Institute for Arctic and Alpine Research, Boulder, United States, (4)Earth Research Institute, Santa Barbara, United States, (5)University of California Los Angeles, Los Angeles, United States, (6)University of California Los Angeles, Department of Geography, Los Angeles, United States, (7)University of Washington Seattle Campus, Atmospheric Sciences, Seattle, United States, (8)University of California Santa Barbara, Earth Research Institute, Santa Barbara, CA, United States, (9)UCLA 405 Hilgard Ave, Los Angeles, United States, (10)Pacific Northwest National Laboratory, Richland, United States
 
Tracing the sources of black carbon deposition over the glaciers in High Mountain Asia: A tagged-tracer approach using WRF-Chem (1123345)
Chayan Roychoudhury1, Cenlin He2, Rajesh Kumar2, John Motley McKinnon1, Keming Pan1 and Avelino F Arellano Jr1, (1)University of Arizona, Department of Hydrology and Atmospheric Sciences, Tucson, AZ, United States, (2)National Center for Atmospheric Research, Research Applications Laboratory, Boulder, CO, United States
 
Assessing the Short-Term Impact of Atmospheric Aerosols on Arctic Sea Ice Cover (1184212)
Patrick M Alexander1, Yutian Wu2, Cheng Zheng2, Marco Tedesco3 and Mingfang Ting2, (1)Columbia University, Lamont-Doherty Earth Observatory, Palisades, United States, (2)Lamont-Doherty Earth Observatory of Columbia University, Palisades, United States, (3)Columbia University, Lamont-Doherty Earth Observatory, Palisades, NY, United States
 
Black carbon concentrations in surface snow and ice in the Arctic and modeled biomass burning smoke deposition fluxes (1191790)
Alia Lauren Khan, Western Washington University, Bellingham, WA, United States, Peng Xian, Naval Research Lab, Marine Meteorology Division, Monterey, CA, United States and Joshua Peter Schwarz, NOAA Chemical Sciences Laboratory (CSL), Boulder, CO, United States
 
Assessment of atmospheric pollutants on the snow covers of the Garmo Glacier (Tajikistan) contribution to the formation of the Obikhingou river hydrochemistry (1041640)
Parviz Normatov, Tajik National University, Dushanbe, Tajikistan and Anvar Homidov, Inom Normatov
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