Session Details
[R1-O]R1:Atmosphere
Fri. Oct 31, 2025 10:30 AM - 12:00 PM JST
Fri. Oct 31, 2025 1:30 AM - 3:00 AM UTC
Fri. Oct 31, 2025 1:30 AM - 3:00 AM UTC
Room 1
Chair: Masakazu Yoshimori (The University of Tokyo), Takuro Aizawa (NIPR/MRI), Yoshiki Fukutomi (Nagoya University), Fumikazu Taketani (JAMSTEC)
[R1-O-01]Acidity-driven gas-particle partitioning of nitrate regulates its transport to Arctic through the industrial era
Yoshinori Iizuka1, Mai Matsumoto1, Kaoru Kawakami1, Mahiro Sasage1, *Sakiko Ishino2, Shohei Hattori3, Ryu Uemura4, Hitoshi Matsui4, Koji Fujita4, Naga Oshima5, Andorea Spolaor6, Anders Svensson7, Bo Møllesøe Vinther7, Hiroshi Ohno8, Osamu Seki1, Sumito Matoba1 (1. Hokkaido University (Japan), 2. Kanazawa University (Japan), 3. Nanjing University (China), 4. Nagoya University (Japan), 5. Meteorological Research Institute (Japan), 6. Institute of Polar Sciences, National Research Council of Italy (Italy), 7. Niels Bohr Institute (Denmark), 8. Kitami Institute of Technology (Japan))
[R1-O-02]Simulations of CO2, CH4, N2O and O2/N2 using MIROC4-ACTM at high resolution (T106) for analysis of polar observations
*Prabir K. Patra1, Daisuke Goto2, Naveen Chandra1, Taku Umezawa3, Shinji Morimoto3 (1. JAMSTEC (Japan), 2. NIPR (Japan), 3. Tohoku Univ (Japan))
[R1-O-03]Validation of a new high-resolution CH4 emission dataset for Russian wetlands
*Aleksandr Nogovitcyn1, Motoki Sasakawa1, Irina Terentieva2, Shamil Maksyutov1, Toshinobu Machida1,3, Takuto Taguchi1, Qianning Qin1 (1. National Institute for Environmental Studies (Japan), 2. University of Calgary (Canada), 3. Seto Inland Sea Carbon-neutral Research Center, Hiroshima University (Japan))
[R1-O-04]Continental river runoff over the Arctic Ocean enhances atmospheric aerosol formation
James Brean1, Cedric Fichot2, David Beddows1, Douglas Worsnop3,4, Zongbo Shi1, Roy Harrison1, Eija Asmi5, *Manuel DallOsto6 (1. School of Geography, Earth, and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom (UK), 2. Department of Earth and Environment, Boston University, Boston, MA, USA (United States of America), 3. Institute for Atmospheric and Earth System Research/Physics, Faculty of Science, University of Helsinki, Helsinki, 00014, Finland (Finland), 4. Aerodyne Research Inc., Billerica, Massachusetts 01821, USA (United States of America), 5. Finnish Meteorological Institute, FI-00101 Helsinki, Finland (Finland), 6. Institute of Marine Sciences, Passeig Marítim de la Barceloneta, 37-49. E-08003, Barcelona, Spain; (Spain))
[R1-O-05]Long-term observations of black carbon and carbon monoxide in the Poker Flat Research Range, central Alaska, with a focus on forest wildfire emissions
*Takeshi Kinase1, Fumikazu Taketani1, Masayuki Takigawa1, Chunmao Zhu1, Yongwon Kim2, Petr Mordovskoi1, Yugo Kanaya1 (1. Japan Agency for Marine-Earth Science and Technology (JAMSTEC) (Japan), 2. International Arctic Research Center, University of Alaska Fairbanks (UAF) (United States of America))
[R1-O-06]Temporal changes in concentrations, size distribution, and seasonality of black carbon particles in Northeastern Greenland since the Industrial Revolution
*Kumiko Goto-Azuma1, Kaori Fukuda1, Jun Ogata1, Fumio Nakazawa1, Naga Oshima3, Hitoshi Matsui4, Yuki Komuro1,5, Motohiro Hirabayashi1, Ikumi Oyabu1,2, Kyotaro Kitamura1, Shuji Fujita1,2, Nobuhiro Moteki6, Tatsuhiro Mori7, Sho Ohata4, Yutaka Kondo8, Makoto Koike8, Ayaka Yonekura9, Naoyuki Kurita4, Sune o. Rasmussen10, Dorthe Dahl-Jensen10,11 (1. National Institute of Polar Research (Japan), 2. SOKENDAI (Japan), 3. Meteorological Research Institute (Japan), 4. Nagoya University (Japan), 5. Laboratory for Environmental Research at Mount Fuji (Japan), 6. Tokyo Metropolitan University (Japan), 7. Keio University (Japan), 8. The University of Tokyo (Japan), 9. Marine Works Japan (Japan), 10. University of Copenhagen (Denmark), 11. University of Manitoba (Canada))