The 15th Symposium on Polar Science (3 – 5 December 2024)
Oral session on 3 December │ Oral session on 4 December │ Poster session on 3 December │ Poster session on 4 December
Scopes
This session seeks to gain insight into global environmental and climate changes in the past, present and future. We invite contributions on subjects including atmospheric science, meteorology, glaciology, sea ice, oceanography, and paleoclimatology. We welcome in-situ and laboratory-based studies, satellite-based analysis, numerical modeling, and theoretical contributions.
Conveners : Shun Tsutaki and Ikumi Oyabu (NIPR)
Chair: Daisuke Hirano (NIPR) | |||
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09:30 - 09:35 | Message from the Convener | ||
OMo1 | 09:35 - 09:50 | Derivation of sea ice thickness based on sea ice history using satellite data | *Noriaki Kimura (The University of Tokyo), Hiroyasu Hasumi (The University of Tokyo) |
OMo2 | 09:50 - 10:05 | Interannual variability of sea ice dynamics conditions in the northern hemisphere | *Takenobu Toyota (ILTS, Hokkaido University), Noriaki Kimura (AORI, The University of Tokyo), Jennifer Hutchings (Oregon State University) |
OMo3 | 10:05 - 10:20 | A new methodology to estimate freshwater content: weekly climatology and interannual anomalies in Baffin Bay and the Labrador Shelf | *Vigan Mensah (Hokkaido University), Igor Yashayaev (Bedford Institute of Oceanography), Koji Fujita (Nagoya University), Stephen E. Howell (Environment and Climate Change Canada), Miho Ikeda (Hokkaido University), Kay I. Ohshima (Hokkaido University) |
OMo4 | 10:20 - 10:35 | Responsible factors for the recent regime shift in Antarctic sea ice | *Kazuya Kusahara (JAMSTEC), Hiroaki Tatebe (JAMSTEC) |
OMo5 | 10:35 - 10:50 | Estimation of sea-ice melt amount from the JARE dense XCTD observations, comparing with the climatology of the ice melt amount | *Mizuki Komatsu (Graduate School of Environmental Science, Hokkaido University), Kay I Ohshima (ILTS, Hokkaido University), Noriaki Kimura (AORI, The University of Tokyo), Sohey Nihashi (National Institute of Technology (KOSEN), Tomakomai College/ILTS, Hokkaido University), Masakazu Fujii (NIPR/SOKENDAI), Masashi Machida (Graduate School of Environmental Science, Hokkaido University), Takeshi Tamura (NIPR/SOKENDAI) |
OMo6 | 10:50 - 11:05 | Temporal variability of warm water inflows into the Totten Ice Shelf cavity | *Yoshihiko Ohashi (NIPR), Daisuke Hirano (NIPR, SOKENDAI), Kohei Mizobata (TUMSAT), Kazuya Kusahara (JAMSTEC), Kazuki Nakata (JAXA), Kazuya Ono (ILTS, Hokkaido University), Masakazu Fujii (NIPR, SOKENDAI), Ryosuke Makabe (NIPR, SOKENDAI), Kay I. Ohshima (ILTS, Hokkaido University), Takeshi Tamura (NIPR, SOKENDAI), Shigeru Aoki (ILTS, Hokkaido University) |
11:05 - 11:20 | Break | ||
Chair: Jun Inoue (NIPR) | |||
OMo7 | 11:20 - 11:35 | Reproducibility of Arctic climate in CMIP6 models | *Takuro Aizawa (National Institute of Polar Research), Naga Oshima (Meteorological Research Institute), Seiji Yukimoto (Meteorological Research Institute), Yusuke Ushijima (Ehime University) |
OMo8 | 11:35 - 11:50 | Understanding the Arctic-Indian Monsoon Linkages: Insights from satellite and model-based observations | *Juhi Yadav (National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Goa, India and Department of Marine Geology, Mangalore University, India), Avinash Kumar (National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Goa, India), Seong-Joong Kim (Korea Polar Research Institute, Incheon), Rohit Srivastava (National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Goa, India), Rahul Mohan (National Centre for Polar and Ocean Research, Ministry of Earth Sciences, Goa, India), M. Ravichandran (Ministry of Earth Sciences, Prithvi Bhavan, Lodhi Road, New Delhi, India) |
OMo9 | 11:50 - 12:05 | Modulation of the Seasonal Progression of the Ural Blocking and its Effects towards Extreme Temperature under Progressing Global Warming | *Masatake Hori (Atmosphere and Ocean Research Institute, The University of Tokyo), Masakazu Yoshimori (Atmosphere and Ocean Research Institute, The University of Tokyo), Jinro Ukita (Atmosphere and Ocean Research Institute, The University of Tokyo) |
OMo10 | 12:05 - 12:20 | Impacts of the snow–hydrological processes on near-surface temperature variability over the Eurasian continent | *Naresh G Ganeshi (The University of Tokyo, Meteorological Research Institute), Yuhei Takaya (Meteorological Research Institute), Kensuke K Komatsu (Osaka Regional Headquarters, Japan Meteorological Agency), Yu Kosaka (Research Center for Advanced Science and Technology, The University of Tokyo), Hiroyasu Hasumi (AORI, The University of Tokyo) |
12:20 - 13:50 | Break | ||
Chair: Teruo Aoki (NIPR) | |||
OMo11 | 13:50 - 14:05 | Consideration of Installation Areas for Long-Term Observation with Penetrator Observation Systems in the Antarctic Region | *Kodai Yamamoto (Kochi University of Technology), Masa-yuki Yamamoto (Kochi University of Technology), Yasuhiro Nishikawa (Kochi University of Technology), Satoshi Tanaka (Institute of Space and Astronautical Science (ISAS), JAXA), Takamasa Hiratuka (Kochi University of Technology) |
OMo12 | 14:05 - 14:20 | Characteristics of precipitation events at Syowa Station, Antarctica | Naohiko Hirasawa (National Institute of Polar Research), Hiroyuki Konishi (Osaka-kyoiku University), Yasushi Fujiyoshi (Emeritus Prof., Hokkaido University), Masanori Yabuki (Kyoto University), *Katsushi Iwamoto (City of Monbetsu) |
OMo13 | 14:20 - 14:35 | The Spatial Structure of Atmospheric Rivers observed in the JARE64 | *Kazu Takahashi (SOKENDAI), Kazutoshi Sato (NIPR and SOKENDAI), Naohiko Hirasawa (NIPR and SOKENDAI), Jun Inoue (NIPR and SOKENDAI) |
OMo14 | 14:35 - 14:50 | Warming in the Dome Fuji region of East Antarctica driven by strengthening of the Indian Ocean subtropical front | *Naoyuki Kurita (Nagoya University), Takao Kameda (Kitami Institute of technology), Naohiko Hirasawa (NIPR), Hideaki Motoyama (NIPR), David Mikolajczyk (University of Wisconsin), Linda M Keller (University of Wisconsin), Lee J Welhouse (University of Wisconsin), George A Weidner (University of Wisconsin), Matthew A Lazzara (Madison Area Technical College) |
14:50 - 15:05 | Break | ||
Chair: Ikumi Oyabu (NIPR) | |||
OMp1-18 | 15:05 - 15:35 | Poster flash talk (1 – 2 min for each) |
OMp1 – OMp18 |
Chair: Shuji Fujita (NIPR) | |||
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OMo15 | 09:15 - 09:30 | A multi-phase spin-up method for the Greenland ice sheet, and its influence on future changes of the ice sheet | *Ralf Greve (Hokkaido University), Félix Grandadam (Claude Bernard University Lyon 1 and ECL Engineering School, Lyon, France) |
OMo16 | 09:30 - 09:45 | How vegetation feedback for the future and the past (LIG) climate affects the Greenland ice sheet? | *Ryouta O'ishi (AORI, the University of Tokyo), Fuyuki Saito (JAMSTEC), Wing-Le Chan (AORI, the University of Tokyo), Takashi Obase (JAMSTEC), Ayako Abe-Ouchi (AORI, the University of Tokyo, JAMSTEC, NIPR) |
OMo17 | 09:45 - 10:00 | What determines the sweet spot of Dansgaard Oschger events? | *Ayako Abe-Ouchi (The University of Tokyo), Wing-Le Chan (The University of Tokyo), Sam Sherriff-Tadano (2Ryukyu University), Yuta Kuniyoshi (The University of Tokyo), Takashi Obase (JAMSTEC), Takahito Mitsui (The University of Tokyo) |
OMo18 | 10:00 - 10:15 | Significant changes in size distribution of black carbon particles at Dome Fuji over Termination I: Insights from Wide-Range Single-Particle Soot Photometer measurements | *Kumiko Goto-Azuma (NIPR), Kaori Fukuda (NIPR), Jun Ogata (NIPR), Nobuhiro Moteki (Tokyo Metropolitan University), Tatsuhiro Mori (Keio University), Sho Ohata (Nagoya University), Yutaka Kondo (NIPR), Makoto Koike5, Motohiro Hirabayashi (NIPR), Kyotaro Kitamura (NIPR), Ayaka Yonekura (SOKENDAI, NIPR, Marine Works Japan Ltd.), Shuji Fujita (NIPR, SOKENDAI), Fumio Nakazawa (NIPR, SOKENDAI), Yoshimi Ogawa-Tsukagawa (NIPR), Ikumi Oyabu (NIPR, SOKENDAI), Kenji Kawamura (NIPR, SOKENDAI) |
10:15 - 10:30 | Break | ||
Chair: Fumio Nakazawa (NIPR) | |||
OMo19 | 10:30 - 10:45 | Development and Application of Hybrid Technology Combining Dielectric Tensor Measurement and Continuous Flow Analysis | *Shuji Fujita (NIPR), Motohiro Hirabayashi (NIPR) |
OMo20 | 10:45 - 11:00 | Uptake and Transfer of Heat Within the Firn Layer of Greenland Ice Sheet’s Percolation Zone | *Jun Saito (Hokkaido University, University of Montana), Joel Harper (University of Montana) and Neil Humphrey (University of Wyoming, Laramie) |
OMo21 | 11:00 - 11:15 | Terminus dynamics of Taku Glacier, Alaska, during the recent transition | *Arlec Chang (Hokkaido University), Shin Sugiyama (ILTS, Hokkaido University), Jason Amundson (University of Alaska Southeast), Lynn Kaluzienski (University of Alaska Southeast), Ian Joughin (University of Washington) |
OMo22 | 11:15 - 11:30 | Recent advances of the development of software-defined-radio-based radio echo sounder for ice thickness measurement of glaciers | *Taishi Hashimoto (NIPR & SOKENDAI), Masahiro Minowa (Hokkaido University), Hiroto Sakata (Hokkaido University), Kazuhiko Mushiake (Ilohas Project Co., Ltd.), Masahiko Mushiake (Ilohas Project Co., Ltd.) Chair: Shun Tsutaki (NIPR) |
OMp19-32 | 11:30 - 12:00 | Poster flash talk (1 – 2 min for each) |
OMp19 – OMp32 |
OMp1 | Physical Sciences Group of SCAR | *Takuji Nakamura (NIPR & SOKENDAI), Adriana M. Gulisano (DNA, Argentina), Wojciech Miloch (UiO, Norway), Juhi Yadav (NCPOR, India) |
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OMp2 | The role of Nicolaus Copernicus University Polar Station in long-term cryosphere monitoring, Svalbard | *Ireneusz Sobota (Nicolaus Copernicus University in Toruń) |
OMp3 | Spatiotemporal high-resolution dynamics of ocean acidification in the global ocean | *Yaojunnan Cai (Hokkaido University), Bofeng Li (Hokkaido University), Xianliang Pan (Hokkaido University), Yutaka Watanabe (Hokkaido University) |
OMp4 | Hybrid parameterization of CO2 disequilibrium over the global ocean | *Bofeng Li (Hokkaido University), Yaojunnan Cai (Hokkaido University), Yutaka Watanabe (Hokkaido University) |
OMp5 | Variation of carbonate chemistry for brine in the Arctic sea ice by mixing with the ice/snow meltwater during melting season | *Masaki Yoshimura (Hokkaido University), Daiki Nomura (Hokkaido University), Taichi Noshiro (Hokkaido University), Hiroki Ikawa (Hokkaido Agricultural Research Center), Akihide Kasai (Hokkaido University), Amane Fujiwara (JAMSTEC), Brent Else (University of Calgary) |
OMp6 | Short-term sea ice forecast for the whole Arctic Ocean using ice-ocean coupling model | *Yoshihiro Niwa (NIPR), Motomu Oyama (NIPR), Takeshi Sugimura (NIPR), Hironori Yabuki (NIPR) |
OMp7 | Extraction of High-Resolution SAR Image Segments as Sea-Truth Data for Deformed Ice Location Analysis | *Kentaro Ono (Kogakuin University), Akihisa Konno (Kogakuin University) |
OMp8 | Coastal ocean dynamics around Greenland: Ice-sheet meltwater impacts and a circum-Greenland perspective | *Kazuya Kusahara (JAMSTEC), Yoshiki Komuro (JAMSTEC), Fuyuki Saito (JAMSTEC), Hiroaki Tatebe (JAMSTEC) |
OMp9 | Nutrient dynamics in the Southern Ocean using the parameterizations and the data from mooring systems/shipboard observations | *Miyabi Sugita (Hokkaido Univ.), Kohei Mizobata (Tokyo Univ. Mar. Sci. Tech.), Ryosuke Makabe (Natl. Inst. Polar Res.), Yoshihiko Ohashi (Natl. Inst. Polar Res.), Daisuke Hirano (Natl. Inst. Polar Res.), Bofeng Li (Hokkaido Univ.), Yutaka Watanabe (Hokkaido Univ.) |
OMp10 | Long-term variability of seawater stable oxygen isotope ratio in the Indian Ocean sector of the Southern Ocean | *Mahiro Ohata (Hokkaido University), Kay I. Ohshima (Hokkaido University), Alexander D. Fraser (University of Tasmania), Kazuki Nakata (JAXA), Mizuki Kuga (Hokkaido University), Daisuke Simizu (NIPR), Takeshi Tamura (NIPR), Yasushi Fukamachi (Hokkaido University) |
OMp11 | Processes of high sea ice production and dense water formation in the Cape Darnley polynya that creates the precursor of Antarctic Bottom Water | *Masashi Machida (Graduate School of Environmental Science, Hokkaido University), Kay I. Oshima (ILTS, Hokkaido University), Kazuki Nakata (JAXA), Mitsuki Kuga (ILTS, Hokkaido University), Daisuke Shimizu (NIPR, SOKENDAI), Takeshi Tamura (NIPR, SOKENDAI), Yasushi Fukamachi (ARC-HU, Hokkaido University) |
OMp12 | The cause and formation mechanism of the Cosmonaut Polynya revealed by a mixed layer model | *Masato Maeno (ILTS, Hokkaido University), Kay I. Ohshima (ILTS, Hokkaido University) |
OMp13 | Structure of the Weddell Gyre's eastern boundary derived from surface floats | *Takeshi Imo (Hokkaido University), Kohei Mizobata (Department of Ocean Sciences, Tokyo University of Marine Science and Technology), Daisuke Hirano (NIPR), Kazuya Ono (ILTS, Hokkaido University), Shigeru Aoki (ILTS, Hokkaido University) |
OMp14 | Japanese observation programs of atmospheric greenhouse gases at Syowa Station, Antarctica and Ny-Ålesund, Svalbard | *Daisuke Goto (National Institute of Polar Research), Shinji Morimoto (Graduate School of Science, Tohoku University), Shigeyuki Ishidoya (National Institute of Advanced Industrial Science and Technology), Shohei Murayama (National Institute of Advanced Industrial Science and Technology), Sakae Toyoda (Tokyo Institute of Technology), Satoshi Sugawara (Miyagi University of Education) |
OMp15 | Impact of anthropogenic aerosols on Arctic amplification in a long-term future climate | *Jun Ono (JAMSTEC), Manabu Abe (JAMSTEC), Hiroaki Tatebe (JAMSTEC), Yoshiki Komuro (JAMSTEC) |
OMp16 | Characteristics of Scattering Ratio of Ultraviolet Radiation observed at Syowa Station | *Jun Ohtake (Japan Meteorological Agency) |
OMp17 | Characteristics of cloud fraction from whole-sky camera observation onboard R/V Shirase from JARE 55 to JARE 61 | *Makoto KUJI (Nara Women's University), Amiri Yokotani (Nara Women's University), Ayako Endo (Nara Women's University), Masahiro Hori (University of Toyama), Naohiko Hirasawa (NIPR/SOKENDAI) |
OMp18 | Characteristics of cloud fraction from whole-sky camera observation onboard R/V Shirase during JARE 57 | *Amiri Yokotani (Nara Women's University), Ayako Endo (Nara Women's University), Makoto KUJI (Nara Women's University), Masahiro Hori (University of Toyama), Naohiko Hirasawa (NIPR/SOKENDAI) |
OMp19 | The long-term changes in the glaciers of Kaffiøyra region, Svalbard, Arctic | *Ireneusz Sobota (Nicolaus Copernicus University in Toruń), Kamil Czarnecki (Nicolaus Copernicus University in Toruń), Marcin Nowak (Nicolaus Copernicus University in Toruń) |
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OMp20 | Can the spatio-temporal distribution of recent snow cover in the Northern Hemisphere be explained by variations in the Arctic Oscillation Index? | *Masahiro Hori (University of Toyama), Masashi Niwano (Meteorological Research Institute, NIPR), Rigen Shimada (JAXA), Teruo Aoki (NIPR, Meteorological Research Institute) |
OMp21 | Formation and abrupt drainage of Setevatnet, a glacial lake of Kongsvegen in Svalbard | *Takuro Imazu (Institute of Low Temperature Science, Hokkaido University and Graduate School of Environment Science, Hokkaido University), Shin Sugiyama (Institute of Low Temperature Science, Hokkaido University), Shuntaro Hata (Institute of Low Temperature Science, Hokkaido University) |
OMp22 | Mineral dust variations over the past 1000 years at EGRIP, northeastern Greenland | *Yuki Komuro (Laboratory for Environmental Research at Mount Fuji), Fumio Nakazawa (NIPR, SOKENDAI), Kumiko Goto-Azuma (NIPR, SOKENDAI), Naoko Nagatsuka (JAMSTEC), Motohiro Hirabayashi (NIPR), Jun Ogata (NIPR), Kaori Fukuda (NIPR), Naoyuki Kurita (Nagoya University), Koji Fujita (Nagoya University), Ayaka Yonekura (Marine Works Japan), Kyotaro Kitamura (NIPR), Giulia Sinnl (University of Copenhagen), Sune Olander Rasmussen (University of Copenhagen), Trevor James Popp (University of Copenhagen), Dorthe Dahl-Jensen (University of Copenhagen) |
OMp23 | Reconstruction of atmospheric CH4 concentration history since the Industrial Revolution from the SE-Dome II ice core, southeastern Greenland | *Mai Suzuki (SOKENDAI), Ikumi Oyabu (NIPR & SOEKENDAI), Kenji Kawamura (NIPR & SOKENDAI & JAMSTEC), Yoshinori Iizuka (ILTS, Hokkaido University) |
OMp24 | Associations between cyanobacteria and mineral particles in cryoconite on Greenland glaciers | *Naoko Nagatsuka (JAMSTEC), Jun Uetake (Hokkaido University), Rigen Shimada (JAXA), Nozomu Takeuchi (Chiba University) |
OMp25 | Determination of ammonium ion concentrations by continuous flow analysis | *Motohiro Hirabayashi (NIPR), Jun Ogata (NIPR) |
OMp26 | Development of a numerical library for higher-order coupling between ice-sheet and climate models | *Fuyuki SAITO (JAMSTEC), Ryota O'ishi (AORI, Univ of Tokyo), Takashi Obase (JAMSTEC), Ayako Abe-Ouchi (AORI, Univ of Tokyo) |
OMp27 | Large abrupt increases in Antarctic snowfall during Heinrich Stadials of the last ice age | *Ikumi Oyabu (NIPR & SOKENDAI), Kenji Kawamura (NIPR, SOKENDAI & JAMSTEC), Shuji Fujita (NIPR & SOKENDAI), Christo Buizert (Oregon State University), Sam Sherriff-Tadano (University of the Ryukyus), Kumiko Goto-Azuma (NIPR), Motohiro Hirabayashi (NIPR), Hideaki Motoyama (NIPR), Ayako Abe-Ouchi (The University of Tokyo) |
OMp28 | Unveiling the influence of impurities on recrystallization and crystal orientation in the deepest layers of Antarctic ice cores | *Shuji Fujita (National Institute of Polar Research, Tokyo, Japan), Tomotaka Satuya (National Institute of Polar Research, Tokyo, Japan), Motohiro Hirabayashi (National Institute of Polar Research, Tokyo, Japan), Kumiko Goto-Azuma (National Institute of Polar Research, Tokyo, Japan), Jun Ogata (National Institute of Polar Research, Tokyo, Japan), Kaori Fujita (National Institute of Polar Research, Tokyo, Japan), Kyotaro Kitamura (National Institute of Polar Research, Tokyo, Japan), Hiroshi Ohno (Kitami Institute of Technologu), Yoshinori Iizuka (ILTS, Hokkaido University) |
OMp29 | Automated snow depth measurements at multiple points along the Antarctic inland route and its device development | *Fumio Nakazawa (NIPR & SOKENDAI), Naohiko Hirasawa (NIPR & SOKENDAI), Shun Tsutaki (NIPR), Kenji Kawamura (NIPR & SOKENDAI) |
OMp30 | Temperature distribution in the crevasse-drainage systems of the Antarctic glaciers: A case study of the Perunika Glacier | *Tsvetan Parov (Bulgarian Academy of Sciences) |
OMp31 | Relationship between depth and physical properties of snow particles observed at H128 in Antarctica | *Takumi Okada (University of Toyama), Konosuke Sugiura (University of Toyama), Naoyuki Kurita (Nagoya University) |
OMp32 | Trend analysis of blowing snow occurrence in Antarctica using the ICESat-2 dataset from November 2018 to October 2023 | *Konosuke Sugiura (University of Toyama), Naohiko Hirasawa (NIPR) |