Nihashi Sohey

ニハシソウヘイ | Nihashi Sohey

Affiliation and department：
Homepage URL (1)： http://www.tomakomai-ct.ac.jp/department/mech/kikai.htm

Research field (3)： Atmospheric and hydrospheric science , Environmental dynamics , Thermal engineering

Research keywords (8)： Physical oceanography , Satellite observation , Polar oceanography , Sea ice , 北極海 , 南極海 , オホーツク海 , 地球環境

Research theme for competitive and other funds (11)：

2024 - 2027 高空間分解能衛星データによる約半世紀の南極沿岸ポリニヤでの海氷生産量変動の解明
2020 - 2025 Global redistribution of heat, salt and materials induced by sea-ice processes
2019 - 2023 Sea-ice reduction in the Pacific Arctic during summer from the variability of sea-ice thickness during winter
2020 - 2022 海氷過程の定量的なデータセットから示す熱塩フラックス,物質輸送,そして生物生産
2017 - 2020 Thermohaline and material circulation originating from coastal polynyas

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Papers (37)：

Sohey Nihashi, Kay I. Ohshima, Takeshi Tamura. Reconstruct the AMSR-E/2 thin ice thickness algorithm to create a long-term time series of sea-ice production in Antarctic coastal polynyas. Polar Science. 2024. 39. 100978
Kishi S., K. I. Ohshima, J. Nishioka, N. Isshiki, S. Nihashi, S. C. Riser. The Prominent Spring Bloom and Its Relation to Sea-Ice Melt in the Sea of Okhotsk, Revealed by Profiling Floats. Geophysical Research Letters. 2021. 48. 6
Nakata K., K. I. Ohshima, S. Nihashi. Mapping of Active Frazil for Antarctic Coastal Polynyas, With an Estimation of Sea-Ice Production. Geophysical Research Letters. 2021. 48. 6
Ohshima, K. I, N. Tamaru, H. Kashiwase, S. Nihashi, K. Nakata, K. Iwamoto. Estimation of Sea Ice Production in the Bering Sea From AMSR-E and AMSR2 Data, With Special Emphasis on the Anadyr Polynya. Journal of Geophysical Research: Oceans. 2020. 125. 7
Fraser, A. D, K. I. Ohshima, S. Nihashi, R. A. Massom, T. Tamura, K. Nakata, G. D. Williams, S. Carpentier, S. Willmes. Landfast ice controls on sea-ice production in the Cape Darnley Polynya: A case study. Remote Sensing of Environment. 2019. 233. 1-11

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MISC (22)：

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Books (1)：

Lectures and oral presentations (73)：

The ice-ocean albedo feedback effect is a key player on the record minimum of Antarctic sea-ice extent in 2022/23 season
(Ocean Sciences Meeting 2024, New Orleans, LA, USA 2024)
AMSR-E/2 衛星観測(2002-22)による南極海沿岸ポリニヤの海氷生産量トレンド
(日本海洋学会 2023年度秋季大会 2023)
Time series of sea-ice production in Antarctic coastal polynyas based on AMSR-E/2 satellite observations over the last 20 years
(Gordon Research Conferences (GRC) Polar Marine Science 2023)
AMSR-EとAMSR-2観測による南極海沿岸ポリニヤにおける海氷生産量の20年間(2002-21)の変動
(日本海洋学会 2022年度秋季大会 2022)
The 19-year (2002-20) time series of annual sea-ice production in all Antarctic coastal polynyas based on AMSR-E/2 satellite observations.
(The 12th Symposium on Polar Science, Tachikawa, Japan, Online 2021)

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Education (3)：

Professional career (1)：

Work history (9)：

2022/04 - 現在 Hokkaido University Institute of Low Temperature Science
2019/04 - 現在 National Institute of Technology,Tomakomai College Department of Engineering of Innovation Professor
2020/04 - 2022/03 Japan Advanced Institute of Science and Technology
2019/04 - 2021/03 National Institute of Technology,Tomakomai College Vice President
2016/04 - 2019/03 National Institute of Technology,Tomakomai College Department of Engineering of Innovation Associate Professor

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Awards (2)：

2002/03 - National Research Council (NRC), National Academies Research Associateship Award
2000/03 - National Science Foundation (NSF), USA Antarctic Service Medal

Association Membership(s) (3)：

American Geophysical Union , METEOROLOGICAL SOCIETY OF JAPAN , THE OCEANOGRAPHIC SOCIETY OF JAPAN

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