WATANABE EIJI
| Research Institute for Global Change Institute of Arctic Climate and Environment Research | Deputy Director |
| Research Institute for Global Change Institute of Arctic Climate and Environment Research Arctic Ocean Environment Research Group | Group Leader |
| Institute for Marine-Earth Exploration and Engineering Project Office for Arctic Research Vessel International Observation Planning Group | - |
Researcher Information
researchmap URL
Research Areas
Research History
- Jul. 2022 - Present
海洋研究開発機構, 北極環境変動総合研究センター, 主任研究員 - Apr. 2022 - Present
海洋研究開発機構, 北極環境変動総合研究センター, グループリーダー - Apr. 2020 - Jun. 2022
海洋研究開発機構, 北極環境変動総合研究センター, 副主任研究員 - Apr. 2015 - Mar. 2020
海洋研究開発機構, 北極環境変動総合研究センター, 研究員 - Apr. 2014 - Mar. 2015
海洋研究開発機構, 地球環境観測研究開発センター, 研究員 - Jan. 2011 - Mar. 2014
海洋研究開発機構, 地球環境変動領域, ポストドクトラル研究員 - Jul. 2008 - Dec. 2010
University of Alaska Fairbanks, 国際北極圏研究センター, 特任研究員 - Apr. 2008 - Jun. 2008
The University of Tokyo, Center for Climate System Research, 特任研究員
Education
- Apr. 2004 - Mar. 2008, 東京大学大学院, 理学系研究科, 地球惑星科学専攻 博士課程
- Apr. 2002 - Mar. 2004, 東京大学大学院, 理学系研究科, 地球惑星科学専攻 修士課程
- Apr. 2000 - Mar. 2002, The University of Tokyo, Faculty of Science, Department of Earth and Planetary Physics
- Apr. 1998 - Mar. 2000, The University of Tokyo, College of Arts and Sciences, 理科一類
Research activity information
Papers
- Yoshio Masuda; Maki Noguchi Aita; Sherwood Lan Smith; Amane Fujiwara; Eiji Watanabe; Hiroshi Sumata; Hideyuki Nakano; Yasuhiro Yamanaka
Photoacclimation contributes to Arctic primary production under sea ice and around the subsurface chlorophyll maximum
Communications Earth and Environment, 12 Jan. 2026
7, 1 - Takafumi Hirata; Irene D. Alabia; Amane Fujiwara; Yuri Fukai; Jorge García Molinos; Akihide Kasai; Tatsuya Kawakami; Kohei Matsuno; Jonaotaro Onodera; Takuhei Shiozaki; Hiromichi Ueno; Eiji Watanabe
Towards an integrated assessment of the Arctic marine ecosystems in response to abrupt environmental changes: Contribution from the Arctic challenge for sustainability II (ArCS II) project
Polar Science, Sep. 2025
45, 101260, 101260
[Reviewed]
Last - Masanobu Yamamoto; Kenta Suzuki; Masafumi Murayama; Laura Gemery; Koji Seike; Leonid Polyak; Young Jin Joe; Shoma Uchida; Minoru Kobayashi; Jonaotaro Onodera; Keiji Horikawa; Yuhji Yamamoto; Takayuki Omori; Michinobu Kuwae; Tomohisa Irino; Yutaka Y. Watanabe; Motoyo Itoh; Eiji Watanabe
Rapid Holocene deposition in the Mackenzie Trough and Barrow Canyon areas in the western Arctic Ocean
Progress in Earth and Planetary Science, 28 Jul. 2025
12, 1
[Reviewed] - Eiji Watanabe; Hiromichi Ueno; Tsubasa Kodaira; Akihiko Murata; Shigeto Nishino; Takahito Ikenoue; Masanobu Yamamoto; Daiki Nomura; Hiroto Abe; Yusuke Kawaguchi; Daisuke Hirano; Yuanxin Zhang; Sayaka Yasunaka
〔Major achievements〕Arctic marine environments regulated by ocean transport and air‒sea‒land interaction: Findings from the ArCS II Ocean Research Program
Polar Science, Apr. 2025
101205, 101205
[Reviewed]
Lead - Takuhei Shiozaki; Amane Fujiwara; Eiji Watanabe; Shigeto Nishino; Naomi Harada; Akiko Makabe
Enhancing role of nitrogen fixation in biogeochemical cycles of the Pacific Arctic
15 Mar. 2025 - Miaki Muramatsu; Eiji Watanabe; Motoyo Itoh; Jonaotaro Onodera; Kohei Mizobata; Hiromichi Ueno
〔Major achievements〕Subsurface warming associated with Pacific Summer Water transport toward the Chukchi Borderland in the Arctic Ocean
Scientific reports, 10 Jan. 2025
15, 1, 24
[Reviewed]
Lead, Corresponding - Yuanxin Zhang; Michiyo Yamamoto‐Kawai; Eiji Watanabe; Hotaek Park
How Much Can Riverine Biogeochemical Fluxes Affect the Arctic Ocean Acidification?
Journal of Geophysical Research: Oceans, 10 Jun. 2024
129, 6
[Reviewed] - Sayaka Yasunaka; Manfredi Manizza; Jens Terhaar; Are Olsen; Ryohei Yamaguchi; Peter Landschützer; Eiji Watanabe; Dustin Carroll; Hanani Adiwira; Jens Daniel Müller; Judith Hauck
An Assessment of CO2 Uptake in the Arctic Ocean From 1985 to 2018
Global Biogeochemical Cycles, 10 Nov. 2023
37, 11
[Reviewed] - Shigeto Nishino; Jinyoung Jung; Kyoung-Ho Cho; William J. Williams; Amane Fujiwara; Akihiko Murata; Motoyo Itoh; Eiji Watanabe; Michio Aoyama; Michiyo Yamamoto-Kawai; Takashi Kikuchi; Eun Jin Yang; Sung-Ho Kang
Atlantic-origin water extension into the Pacific Arctic induced an anomalous biogeochemical event
Nature Communications, 02 Nov. 2023
14, 1
[Reviewed] - Ikenoue, T; Nakajima, R; Mishra, P; Ramasamy, E.V; Fujiwara, A; Nishino, S; Murata, A; Watanabe, E; Itoh, M
Floating microplastic inventories in the southern Beaufort Sea, Arctic Ocean
Frontiers in Marine Science, 12 Oct. 2023
10, 1288301, 1288301
[Reviewed] - Ikenoue T; Nakajima R; Fujiwara A; Onodera J; Itoh M; Toyoshima J; Watanabe E; Murata A; Nishino S; Kikuchi, T
Horizontal distribution of surface microplastic concentrations and water-column microplastic inventories in the Chukchi Sea, western Arctic Ocean
Science of the Total Environment, 01 Nov. 2022
855, 159564, 159564
[Reviewed] - Takuya Nakanowatari; Jun Inoue; Jinlun Zhang; Eiji Watanabe; Hiroshi Kuroda
A New Norm for Seasonal Sea Ice Advance Predictability in the Chukchi Sea: Rising Influence of Ocean Heat Advection
Journal of Climate, 01 May 2022
35, 9, 2723, 2740
[Reviewed] - Eiji Watanabe; Jonaotaro Onodera; Motoyo Itoh; Kohei Mizobata
〔Major achievements〕Transport processes of seafloor sediment from the Chukchi shelf to the western Arctic basin
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Mar. 2022
127, e2021JC017958
[Reviewed] - Jonaotaro Onodera; Eiji Watanabe; Motoyo Itoh; Naomi Harada; Makio C. Honda; Anders Tengberg; Yuichiro Tanaka; Takashi Kikuchi
Interannual Variation of Settling Particles Reflects Upper‐Ocean Circulation in the Southern Chukchi Borderland, 2010‐2014
Journal of Geophysical Research: Oceans, Dec. 2021
126, 12
[Reviewed] - Hakase Hayashida; Meibing Jin; Nadja S. Steiner; Neil C. Swart; Eiji Watanabe; Russell Fiedler; Andrew McC. Hogg; Andrew E. Kiss; Richard J. Matear; Peter G. Strutton
Ice Algae Model Intercomparison Project phase 2 (IAMIP2)
Geoscientific Model Development, 11 Nov. 2021
14, 11, 6847, 6861
[Reviewed] - Michiyo Yamamoto-Kawai; Takeshi Tamura; Eiji Watanabe; Jun Nishioka; Daiki Nomura; Ryusuke Makabe; Kohei Mizobata; Yasunaka Sayaka
Decadal vision in oceanography 2021: Polar oceans
Oceanography in Japan, Nov. 2021
24, 3, 159, 178
[Reviewed] - Takahito Ikenoue; Katsunori Kimoto; Yuriko Nakamura; Kjell R. Bjørklund; Naoki Kuramoto; Masaaki Ueki; Yuichi Ota; Jonaotaro Onodera; Naomi Harada; Makio C. Honda; Miyako Sato; Eiji Watanabe; Motoyo Itoh; Shigeto Nishino; Takashi Kikuchi
New evaluation of species‐specific biogenic silica flux of radiolarians (Rhizaria) in the western Arctic Ocean using microfocus X‐ray computed tomography
Limnology and Oceanography, 07 Sep. 2021
[Reviewed] - Miaki Muramatsu; Hiromichi Ueno; Eiji Watanabe; Motoyo Itoh; Jonaotaro Onodera
Transport and heat loss of the Pacific Summer Water in the Arctic Chukchi Sea northern slope: Mooring data analysis
Polar Science, Jun. 2021
100698, 100698
[Reviewed] - Takashi Kikuchi; Shigeto Nishino; Amane Fujiwara; Jonaotaro Onodera; Michiyo Yamamoto-Kawai; Kohei Mizobata; Yasushi Fukamachi; Eiji Watanabe
Status and trends of Arctic Ocean environmental change and its impacts on marine biogeochemistry: Findings from the ArCS project
Polar Science, Jan. 2021
100639, 100639
[Reviewed] - Hotaek Park; Eiji Watanabe; Youngwook Kim; Igor Polyakov; Kazuhiro Oshima; Xiangdong Zhang; John S. Kimball; Daqing Yang
Increasing riverine heat influx triggers Arctic sea ice decline and oceanic and atmospheric warming
Science Advances, 06 Nov. 2020
6, 45
[Reviewed] - Watanabe, Eiji; Jin, Meibing; Hayashida, Hakase; Zhang, Jinlun; Steiner, Nadja
〔Major achievements〕Multi-Model Intercomparison of the Pan-Arctic Ice-Algal Productivity on Seasonal, Interannual, and Decadal Timescales
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Dec. 2019
124, 12, 9053, 9084
[Reviewed] - Satoshi Kimura; Jonaotaro Onodera; Motoyo Itoh; Takashi Kikuchi; Shigeto Nishino; Yusuke Kawaguchi; Eiji Watanabe; Naomi Harada
The Warming of the Chukchi Slope Through the Barrow Canyon Outflow in the 2016–2017 Winter
Journal of Geophysical Research: Oceans, Nov. 2019
124, 11, 7437, 7456
[Reviewed] - Andrey Proshutinsky, Richard Krishfield, John Toole; Mary-Louise Timmermans; William Williams; Sarah Zimmermann; Michiyo Yamamoto-Kawai; Thomas Armitage; Dmitry Dukhovskoy; Elena Golubeva; Georgy Manucharyan; Gennady Platov; Eiji Watanabe; Takashi Kikuchi; Shigeto Nishino; Motoyo Itoh; Sung-Ho Kang; Kyoung-Ho Cho; Kazutaka Tateyama; Jinping Zhao
Analysis of the Beaufort Gyre freshwater content in 2003-2018
Journal of Geophysical Research-Oceans, 2019
[Reviewed] - Yushiro Tsukada; Hiromichi Ueno; Naoki Ohta; Motoyo Itoh; Eiji Watanabe; Takashi Kikuchi; Shigeto Nishino; Kohei Mizobata
Interannual variation in solar heating in the Chukchi Sea, Arctic Ocean
POLAR SCIENCE, Sep. 2018
17, 33, 39
[Reviewed] - Daisuke Hirano; Yasushi Fukamachi; Kay I. Ohshima; Eiji Watanabe; Andrew R. Mahoney; Hajo Eicken; Motoyo Itoh; Daisuke Simizu; Katsushi Iwamoto; Joshua Jones; Toru Takatsuka; Takashi Kikuchi; Takeshi Tamura
Winter Water Formation in Coastal Polynyas of the Eastern Chukchi Shelf: Pacific and Atlantic Influences
Journal of Geophysical Research: Oceans, Aug. 2018
123, 8, 5688, 5705
[Reviewed] - Sayaka Yasunaka; Eko Siswanto; Are Olsen; Mario Hoppema; Eiji Watanabe; Agneta Fransson; Melissa Chierici; Akihiko Murata; Siv K. Lauvset; Rik Wanninkhof; Taro Takahashi; Naohiro Kosugi; Abdirahman M. Omar; Steven Van Heuven; Jeremy T. Mathis
Arctic Ocean CO2 uptake: An improved multiyear estimate of the air-sea CO2 flux incorporating chlorophyll a concentrations
Biogeosciences, 22 Mar. 2018
15, 6, 1643, 1661
[Reviewed] - Eiji Watanabe; Jonaotaro Onodera; Motoyo Itoh; Shigeto Nishino; Takashi Kikuchi
〔Major achievements〕Winter transport of subsurface warm water toward the Arctic Chukchi Borderland
DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS, Oct. 2017
128, 115, 130
[Reviewed] - Sayaka Yasunaka; Akihiko Murata; Eiji Watanabe; Melissa Chierici; Agneta Fransson; Steven van Heuven; Mario Hoppema; Masao Ishii; Truls Johannessen; Naohiro Kosugi; Siv K. Lauvset; Jeremy T. Mathis; Shigeto Nishino; Abdirahman M. Omar; Are Olsen; Daisuke Sasano; Taro Takahashi; Rik Wanninkhof
Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability
POLAR SCIENCE, Sep. 2016
10, 3, 323, 334
[Reviewed] - Matsuno, K; Yamaguchi, A; Fujiwara, A; Onodera, J; Watanabe. E; Harada, N; Kikuchi, T
Seasonal changes in mesozooplankton swimmer community and fecal pellets collected by sediment trap moored at the Northwind Abyssal Plain in the western Arctic Ocean
Bulletin of the Fisheries Sciences, Hokkaido University, 10 Aug. 2016
66, 2, 77, 85
[Reviewed] - Kohei Mizobata; Eiji Watanabe; Noriaki Kimura
Wintertime variability of the Beaufort gyre in the Arctic Ocean derived from CryoSat-2/SIRAL observations
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Mar. 2016
121, 3, 1685, 1699
[Reviewed] - Jonaotaro Onodera; Eiji Watanabe; Shigeto Nishino; Naomi Harada
Distribution and vertical fluxes of silicoflagellates, ebridians, and the endoskeletal dinoflagellate Actiniscus in the western Arctic Ocean
POLAR BIOLOGY, Feb. 2016
39, 2, 327, 341
[Reviewed] - Yevgeny Aksenov; Michael Karcher; Andrey Proshutinsky; Rüdiger Gerdes; Beverly de Cuevas; Elena Golubeva; Frank Kauker; An T. Nguyen; Gennady A. Platov; Martin Wadley; Eiji Watanabe; Andrew C. Coward; A. J. George Nurser
Arctic pathways of Pacific Water: Arctic Ocean Model Intercomparison experiments
Journal of Geophysical Research: Oceans, Jan. 2016
121, 1, 27, 59
[Reviewed] - Daisuke Hirano; Yasushi Fukamachi; Eiji Watanabe; Kay I. Ohshima; Katsushi Iwamoto; Andrew R. Mahoney; Hajo Eicken; Daisuke Simizu; Takeshi Tamura
A wind-driven, hybrid latent and sensible heat coastal polynya off Barrow, Alaska
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Jan. 2016
121, 1, 980, 997
[Reviewed] - Kohei Matsuno; Atsushi Yamaguchi; Amane Fujiwara; Jonaotaro Onodera; Eiji Watanabe; Naomi Harada; Takashi Kikuchi
Seasonal changes in the population structure of dominant planktonic copepods collected using a sediment trap moored in the western Arctic Ocean
JOURNAL OF NATURAL HISTORY, Oct. 2015
49, 45-48, 2711, 2726
[Reviewed] - Seokjin Yoon; Eiji Watanabe; Hiromichi Ueno; Michio J. Kishi
Potential habitat for chum salmon (Oncorhynchus keta) in the Western Arctic based on a bioenergetics model coupled with a three-dimensional lower trophic ecosystem model
Progress in Oceanography, Feb. 2015
131, 146, 158
[Reviewed] - Watanabe, E; T. Tamura
Comparison Between Satellite-Based and Modeled Sea Ice Production in the Arctic Polynya Regions
Journal of The Remote Sensing Society of Japan, 2015
35, 1, 2, 9
[Reviewed], [Invited] - J. Onodera; E. Watanabe; N. Harada; M. C. Honda
Diatom flux reflects water-mass conditions on the southern Northwind Abyssal Plain, Arctic Ocean
BIOGEOSCIENCES, 2015
12, 5, 1373, 1385
[Reviewed] - E. Watanabe; J. Onodera; N. Harada; M. N. Aita; A. Ishida; M. J. Kishi
〔Major achievements〕Wind-driven interannual variability of sea ice algal production in the western Arctic Chukchi Borderland
BIOGEOSCIENCES, 2015
12, 20, 6147, 6168
[Reviewed] - Eiji Watanabe; Jonaotaro Onodera; Naomi Harada; Makio C. Honda; Katsunori Kimoto; Takashi Kikuchi; Shigeto Nishino; Kohei Matsuno; Atsushi Yamaguchi; Akio Ishida; Michio J. Kishi
〔Major achievements〕Enhanced role of eddies in the Arctic marine biological pump
NATURE COMMUNICATIONS, May 2014
5
[Reviewed] - Kohei Matsuno; Atsushi Yamaguchi; Amane Fujiwara; Jonaotaro Onodera; Eiji Watanabe; Ichiro Imai; Sanae Chiba; Naomi Harada; Takashi Kikuchi
Seasonal changes in mesozooplankton swimmers collected by sediment trap moored at a single station on the Northwind Abyssal Plain in the western Arctic Ocean
JOURNAL OF PLANKTON RESEARCH, Mar. 2014
36, 2, 490, 502
[Reviewed] - Vladimir Ivanov; Eiji Watanabe
Does Arctic sea ice reduction foster shelf–basin exchange?
Ecological Applications, Dec. 2013
23, 8, 1765, 1777
[Reviewed] - Eiji Watanabe
〔Major achievements〕Linkages among halocline variability, shelf-basin interaction, and wind regimes in the Beaufort Sea demonstrated in pan-Arctic Ocean modeling framework
OCEAN MODELLING, Nov. 2013
71, 43, 53
[Reviewed] - Eiji Watanabe; Masayo Ogi
〔Major achievements〕How does Arctic summer wind modulate sea ice-ocean heat balance in the Canada Basin?
GEOPHYSICAL RESEARCH LETTERS, Apr. 2013
40, 8, 1569, 1574
[Reviewed] - Eiji Watanabe; Michio J. Kishi; Akio Ishida; Maki Noguchi Aita
〔Major achievements〕Western Arctic primary productivity regulated by shelf-break warm eddies
JOURNAL OF OCEANOGRAPHY, Oct. 2012
68, 5, 703, 718
[Reviewed] - Eiji Watanabe
〔Major achievements〕Beaufort shelf break eddies and shelf-basin exchange of Pacific summer water in the western Arctic Ocean detected by satellite and modeling analyses
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Aug. 2011
116
[Reviewed] - Proshutinsky, A; Y. Aksenov; J. Clement-Kinney; R. Gerdes; E. Golubeva; D. Holland; G. Holloway; A. Jahn; M. Johnson; E. Popova; M. Steele; E. Watanabe
Recent advances in Arctic Ocean studies employing models from the Arctic Ocean Model Intercomparison Project
Oceanography, 2011
24, 102, 113
[Reviewed] - Eiji Watanabe; Hiroyasu Hasumi
〔Major achievements〕Pacific Water Transport in the Western Arctic Ocean Simulated by an Eddy-Resolving Coupled Sea Ice-Ocean Model
JOURNAL OF PHYSICAL OCEANOGRAPHY, Sep. 2009
39, 9, 2194, 2211
[Reviewed] - Jia Wang; Jinlun Zhang; Eiji Watanabe; Moto Ikeda; Kohei Mizobata; John E. Walsh; Xuezhi Bai; Bingyi Wu
Is the Dipole Anomaly a major driver to record lows in Arctic summer sea ice extent?
GEOPHYSICAL RESEARCH LETTERS, Mar. 2009
36
[Reviewed] - Eiji Watanabe; Jia Wang; Akimasa Sumi; Hiroyasu Hasumi
〔Major achievements〕Arctic dipole anomaly and its contribution to sea ice export from the Arctic Ocean in the 20th century
GEOPHYSICAL RESEARCH LETTERS, Dec. 2006
33, 23
[Reviewed] - E Watanabe; H Hasumi
〔Major achievements〕Arctic sea ice response to wind stress variations
JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS, Nov. 2005
110, C11
[Reviewed]
Misc.
- 原田尚美; 塩崎拓平; 渡邉英嗣; 小野寺丈尚太郎; 佐藤都; 木元克典; 広瀬侑; 高塚進
Biogeochemical Studies in the Polar Oceans: Achievements in the Arctic Ocean and Challenges in the Southern Ocean
日本地球化学会年会要旨集(Web), 2023
70th - 安中さやか; 村田昌彦; 渡邉英嗣; 小杉如央; 笹野大輔; 石井雅男; 西野茂人; 内田裕
北極海CO2フラックスの分布推定とその時空間変動特性
極域科学シンポジウム講演予稿集(CD-ROM), 2014
5th
Books and Other Publications
Presentations
- Waga, H.; Watanabe, E.
Spatial heterogeneity in phytoplankton bloom phenology across the pan-Arctic
Arctic Science Summit Week (ASSW) 2026 Science Day, 29 Mar. 2026 - 小野寺; 丈尚太郎; 渡邉 英嗣; 原田 尚美; 山本 正伸
太平洋側北極海の沈降粒子と表層堆積物から得られた珪質遺骸群集
微化石リファレンスセンター 研究発表会, 18 Mar. 2026 - 毛利 亮子; 藤原 周; 八田 真理子; 渡邉 英嗣; 伊東 素代; 西野 茂人; 三上 亜矢; 荻田 善之; 工藤 基世; 杉本 佳奈; 小野 純; 猪上 淳
届け!北極のリアル ～「みらい」最後の北極航海におけるライブ配信の試み～
海と地球のシンポジウム2025, 10 Mar. 2026 - Watanabe, E.; Zhang, Y.; Park, H.
Modeling analysis of snow depth on sea ice and snow meltwater on the pan-Arctic and multi-decadal scales
Ocean Sciences Meeting, 24 Feb. 2026 - Zhang, Y.; Watanabe, E.; Yasunaka, S.
Biogeochemical impact of coastal erosion on air-sea CO2 exchange in the Arctic shelf seas
Ocean Sciences Meeting, 23 Feb. 2026 - 渡邉 英嗣
ArCS-3プロジェクトの近況＆海氷下床暖房研究の展望
北海道大学低温科学研究所共同利用研究集会, 10 Dec. 2025 - 山本 正伸; 鈴木 健太; 村山 雅史; Laura Gemery; 清家 弘治; Leonid Polyak; Young Jin Joe; 内田 翔馬; 小林 稔; 小野寺; 丈尚太郎; 堀川 恵司; 山本 裕二; 大森 貴之; 加 三千宣; 入野 智久; 渡辺 豊; 伊東 素代; 渡邉 英嗣
西部北極海マッケンジートラフおよびバローキャニオン地域における完新世堆積物
第11回地球環境史学会年会, 30 Nov. 2025 - Zhang, Y.; Watanabe, E.; Hayashida, H.; Sou, T.; Steiner, N.
Multi-Model Assessment of Future Ice-Algal Production in the Chukchi Sea
PICES Annual Meeting, 09 Nov. 2025 - Muramatsu, M.; Watanabe, E.; Itoh, M.; Onodera, J.; Mizobata, K.; Ueno, H.
Subsurface warming associated with Pacific Summer Water transport toward the Chukchi Borderland in the Arctic Ocean
PICES Annual Meeting, 09 Nov. 2025 - Onodera, J.; Watanabe, E.; Mizobata, K.; Itoh, M.; Hatta, M.; Tanaka, Y.; Yang, E. J.; Shiozaki, T.; Harada, N.; Kikuchi, T.
Decadal changes in ocean circulation and shelf-derived material transport to the Northwind Abyssal Plain in the western Arctic Ocean (2010-2023)
PICES Annual Meeting, 09 Nov. 2025 - Hirata, T.; Alabia, I.; Molinos, J. C.; Ueno, H.; Watanabe, E.
Response of the Arctic Marine Ecosystems to multiple stressors
PICES Annual Meeting, 09 Nov. 2025 - Watanabe, E.
An overview of ArCS-3 project
Pacific Arctic Group (PAG) Fall Meeting, 04 Nov. 2025 - Waga, H.; Watanabe, E.
A pan-Arctic comparison of phytoplankton bloom phenology
Eighth International Symposium on the Arctic Research (ISAR-8), 31 Oct. 2025 - Onodera, J.; Watanabe, E.; Mizobata, K.; Itoh, M.; Hatta, M.; Tanaka, Y.; Yang, E. J.; Shiozaki, T.; Harada, N.; Kikuchi, T.
Interannual changes in settling particle flux and the impact of ocean circulation in the southwestern Canada Basin, Arctic Ocean, for 2010-2023
Eighth International Symposium on the Arctic Research (ISAR-8), 31 Oct. 2025 - Kikuchi, T.; Kimura, H.; Watanabe, E.; Akane, E.
New Initiatives for Arctic Research Vessel Mirai II as an International Research Platform
Eighth International Symposium on the Arctic Research (ISAR-8), 31 Oct. 2025 - Watanabe, E.; Ueno, H.
Arctic marine environments regulated by ocean transport and air-sea-land interaction: Findings from the ArCS II Ocean Research Program and future perspectives
Eighth International Symposium on the Arctic Research (ISAR-8), 29 Oct. 2025 - Muramatsu, M.; Watanabe, E.; Itoh, M.; Onodera, J.; Mizobata, K.; Ueno, H.
Subsurface warming associated with Pacific Summer Water transport toward the Chukchi Borderland in the Arctic Ocean
Eighth International Symposium on the Arctic Research (ISAR-8), 29 Oct. 2025 - 渡邉 英嗣; 張 圓昕; 朴 昊澤
北極海領域モデリングにおける海氷上積雪の不確定性と海面淡水分布へのインパクト
日本海洋学会秋季大会, 22 Sep. 2025 - 川村 菜月; 上野 洋路; 北村 もあな; 孫 恩愛; 伊東 素代; 渡邉 英嗣
太平洋側北極海における成層強度と生物生産の時空間変動
日本海洋学会秋季大会, 22 Sep. 2025 - 荒木 七笑; 上野 洋路; 孫 恩愛; 伊東 素代; 渡邉 英嗣
チュクチ海における夏季太陽放射加熱の経年変動
日本海洋学会秋季大会, 22 Sep. 2025 - Watanabe, E.; Ueno, H.
Arctic marine environments regulated by ocean transport and air-sea-land interaction: Findings from the ArCS II Ocean Research Program
Ecosystem Study for Sub-Arctic and Arctic Seas (ESSAS) Open Science Meeting, 25 Jun. 2025 - Zhang, Y.; Watanabe, E.; Hayashida, H.; Sou, T.; Steiner, N.
Multi-model assessment of future ice-algal production in the Arctic Ocean
Ecosystem Study for Sub-Arctic and Arctic Seas (ESSAS) Open Science Meeting, 25 Jun. 2025 - Onodera, J.; Watanabe, E.; Mizobata, K.; Itoh, M.; Tanaka, Y.; Yang, E. J.; Harada, N.; Kikuchi, T.
Decadal change of sea surface circulation and the impact on material transportation in the southwestern Canada Basin, 2010-2023
Ecosystem Study for Sub-Arctic and Arctic Seas (ESSAS) Open Science Meeting, 25 Jun. 2025 - Zhang, Y.; Yamamoto-Kawai, M.; Watanabe, E.; Park, H.
Quantifying the impacts of riverine carbon and nutrient fluxes on Arctic Ocean acidification
日本地球惑星科学連合大会 (JpGU), 28 May 2025 - Watanabe, E.
Perspective from ArCS II ocean research program for the next stage
Arctic Science Summit Week (ASSW) Fourth International Conference on Arctic Research Planning (ICARP IV), Mar. 2025 - Watanabe, E.
Arctic sea ice-ocean modeling in the ArCS II ocean research program
Canada Embassy Workshop on plastic pollution in the Arctic, Feb. 2025 - Zhang, Y.; Watanabe, E.; Hayashida, H.; Sou, T.; Steiner, N.
Multi-Model Assessment of Future Ice-Algal Production in the Arctic Ocean
America Geophysical Union (AGU) Fall Meeting, Dec. 2024 - Watanabe, E.; Park, H.
Pan-Arctic spatio-temporal variabilities in sea ice meltwater and riverine water simulated by multi-decadal model experiments
America Geophysical Union (AGU) Fall Meeting, Dec. 2024 - Watanabe, E.
Perspective from ArCS II ocean modeling activities for the next stage
Arctic Circle Assembly, Oct. 2024 - 張 圓昕; 渡邉 英嗣; 林田 博士; Tessa Sou; Nadja Steiner
北極海におけるアイスアルジー基礎生産量の将来予測： 国際モデル間比較
日本海洋学会秋季大会, Sep. 2024 - Zhang, Y.; Yamamoto-Kawai, M.; Watanabe, E.; Park, H.
Riverine biogeochemical flux effects on the Arctic Ocean acidification
China Symposium on Polar Science, Aug. 2024 - Nishino, S.; Jung, J.; Cho, K.-H.; Williams, W. J.; Fujiwara, A.; Murata, A.; Itoh, M.; Watanabe, E.; Hatta, M.; Yamamoto-Kawai, M.; Kikuchi, T.; Yang, E. J.; Kang, S.-H.
Changes in ocean circulation and dissolved oxygen/nutrient distributions in the Canadian Basin
European Geosciences Union (EGU) General Assembly, Apr. 2024 - Watanabe, E
〔Major achievements〕Arctic sea ice-ocean modeling study in collaboration with sediment trap measurements
IAPSO-IAMAS-IAGA Joint Assembly, 2017, [Invited] - 渡邉 英嗣
〔主要な業績〕北極海環境変動における中規模渦の役割
日本海洋学会秋季大会, 2016, [Invited] - Watanabe, E; M. Ogi
〔主要な業績〕How does Arctic summer wind modulate ocean heat budget in sea ice reduction zone ?
Third International Symposium on the Arctic Research (ISAR-3), 2013, [Invited] - Watanabe, E
〔主要な業績〕Arctic modeling study on bio-physical hot spots along the pathway of Pacific water
Gordon Research Conference on Polar Marine Science, 2013, [Invited] - Watanabe, E; M. J. Kishi; A. Ishida; M. N. Aita; T. Terui
〔主要な業績〕Biological hot spots emerging along the pathway of Pacific summer water in the western Beaufort Sea
PICES Annual Meeting, 2012, [Invited]
Media Coverage
- 北極海の海水 熱量1.8倍
読売新聞, Feb. 2025, Paper - 北極の「床暖房」 20年で貯熱量1.8倍
朝日新聞, Feb. 2025, Paper - 北極海の床暖房効果～20年間の長期航海データによる定量評価
環境展望台, Jan. 2025 - 北極の海では・・・
日刊工業新聞, Jan. 2025 - 北極海氷下の蓄熱1.8倍 20年間で、流入水温上昇
共同通信配信記事, Yahooニュースほか多数, Jan. 2025, Internet - 北極の海氷下熱1.8倍増
日刊工業新聞, Jan. 2025, Paper - 北極海の海氷下、20年で蓄熱1.8倍
日本経済新聞, Jan. 2025, Paper - 新研究船、北極域の深部探る
日本経済新聞, Apr. 2024, Paper
