Rchr
J-GLOBAL ID:201501033409901566
Update date: Feb. 17, 2025 Oyabu Ikumi
オオヤブ イクミ | Oyabu Ikumi
Affiliation and department: Job title:
Assistant Professor
Other affiliations (1): -
The Graduate University for Advanced Studies
Department of Polar Science
Assistant professor
Homepage URL (1): https://sites.google.com/nipr.ac.jp/ikumioyabu Research field (2):
Atmospheric and hydrospheric science
, Environmental dynamics
Research keywords (13):
ice core
, firn
, Dome Fuji
, glacial-interglacial cycle
, Environmental change
, Paleoclimate
, Antarctica
, Greenland
, Noble gas
, CO2
, CH4
, Aerosol
, ice sheet
Research theme for competitive and other funds (10): - 2024 - 2029 アイスコア解析による南極・グローバル相互作用の解明
- 2024 - 2028 南極ドームふじ氷床コアの精密年代決定で解く氷期サイクルの根本要因
- 2023 - 2027 マルチスケール宇宙線生成核種分析より紐解く地質時代の宇宙・地球現象と環境変動
- 2024 - 2027 最終間氷期の南極は本当に現在より6度も暖かったのか?氷床コアデータの逆解析で解く
- 2022 - 2025 南極氷床コアの気体分析から100年スケールで読み解く氷期-間氷期の全球気候変動
- 2020 - 2024 両極の氷床コアと全球気候植生モデルによる過去1万年のメタン濃度の変動要因の解明
- 2020 - 2024 Past climatic instabilities from high-resolution analyses of methane concentration in an Antarctic ice core
- 2017 - 2020 南極ドームふじ氷床コアを用いた気候変遷期の二酸化炭素濃度と全球平均海水温の復元
- 2017 - 2020 Mechanism for glacial inception from gas measurements of the Dome Fuji ice core, Antarctica
- 2013 - 2014 Sulphate salts during different climatic conditions
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Papers (32): -
Ikumi Oyabu, Kenji Kawamura, Kyotaro Kitamura, Satoshi Sugawara, Shigeyuki Ishidoya, Taku Umezawa, Takuya Saito, Daisuke Goto, Ryo Fujita, Shinji Morimoto, et al. Firn air composition at the H128 and NDFN sites, Dronning Maud Land, East Antarctica. Polar Data Journal. 2025. in press
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Kaden C. Martin, Christo Buizert, Ed Brook, Olivia L. Williams, Jon S. Edwards, Ben Riddell-Young, T. J. Fudge, Farhana Mederbel, Ross Beaudette, Jeff Severinghaus, et al. Greenland Ice Cores Reveal a South-To-North Difference in Holocene Thermal Maximum Timings. Geophysical Research Letters. 2024. 51. 24
-
Frédéric Parrenin, Marie Bouchet, Christo Buizert, Emilie Capron, Ellen Corrick, Russell Drysdale, Kenji Kawamura, Amaëlle Landais, Robert Mulvaney, Ikumi Oyabu, et al. The Paleochrono-1.1 probabilistic model to derive optimized and consistent chronologies for several paleoclimatic sites. Geoscientific Model Development. 2024. 17. 23. 8735-8750
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Ryo Inoue, Shuji Fujita, Kenji Kawamura, Ikumi Oyabu, Fumio Nakazawa, Hideaki Motoyama. Evolution of layered density and microstructure in near-surface firn around Dome Fuji, Antarctica. The Cryosphere. 2024. 18. 425-449
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Shohei Hattori, Sakiko Ishino, Nozomi Suzuki, Fumio Nakazawa, Ikumi Oyabu, Shun Tsutaki, Motohiro Hirabayashi, Kazushi Noro, Norimichi Takenaka, Kenji Kawamura, et al. Latitudinal difference in sulfate formation from methanesulfonate oxidation in Antarctic snow imprinted on 17O-excess signature. Applied Geochemistry. 2024. 162. 105901-105901
more... MISC (1): -
Kenji Kawamura, Ikumi Oyabu. Two decades of deep ice cores from Antarctica. Nature. 2024
Books (3): - 北極域の研究 : その現状と将来構想
海文堂出版 2024 ISBN:9784303562304
- 古生物学の百科事典
丸善出版 2023 ISBN:9784621307588
- Japanese Dictionary of Snow and Ice, 2nd edition
2014 ISBN:9784772241731
Lectures and oral presentations (165): -
Large abrupt increases in Antarctic snowfall during Heinrich Stadials of the last ice age
(The 15th Symposium on Polar Science 2024)
-
Significant changes in size distribution of black carbon particles at Dome Fuji over Termination I: Insights from Wide-Range Single-Particle Soot Photometer measurements
(The 15th Symposium on Polar Science 2024)
-
Reconstruction of atmospheric CH4 concentration history since the Industrial Revolution from the SE-Dome II ice core, southeastern Greenland
(The 15th Symposium on Polar Science 2024)
-
Large abrupt increases in Antarctic snowfall during Heinrich Stadials of the last ice age
(2024)
-
グリーンランドEGRIP深層アイスコアの連続融解分析による約4万年前のダンスガード・オシュガーイベント及びハインリッヒイベント時のメタン濃度の変化 〜北半球と南極の気候変動間のリンク〜
(2024)
more... Education (3): - 2012 - 2015 Hokkaido University Graduate School of Environmental Science Division of Earth System Science
- 2013 - 2014 Stockholm University Department of Physical Geography
- 2010 - 2012 Hokkaido University Graduate School of Environmental Science Division of Earth System Science
Professional career (1): - Doctor (Environmental Science) (Hokkaido University)
Work history (7): - 2023/08 - 現在 The Graduate University for Advanced Studies
- 2023/08 - 現在 National Institute of Polar Research Assistant Professor
- 2022/04 - 現在 Meiji University Lecturer (part-time)
- 2020/04 - 2023/07 National Institute of Polar Research Postdoctoral Fellow
- 2017/04 - 2020/03 National Institute of Polar Research JSPS Postdoctoral Fellow
- 2015/10 - 2017/03 National Institute of Polar Research Postdoctoral Fellow
- 2015/04 - 2015/09 Hokkaido University Institute of Low Temperature Science Academic Researcher
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Committee career (12): - 2024/03 - 現在 ドームふじアイスコアコンソーシアム(ICC) 化学解析研究グループ副幹事
- 2024/03 - 現在 ドームふじアイスコアコンソーシアム(ICC) 気体解析研究グループ副幹事
- 2024/03 - 現在 ドームふじアイスコアコンソーシアム(ICC) 年代決定研究グループ副幹事
- 2023/11 - 現在 日本学術会議 環境学委員会・地球惑星科学委員会合同FE・WCRP合同分科会CliC小委員委員
- 2023/06 - 現在 日本雪氷学会 学術委員
- 2023/03 - 現在 日本雪氷学会 雪氷研究大会プログラム委員
- 2022/10 - 現在 日本雪氷学会 極地雪氷分科会 幹事
- 2022/06 - 現在 JpGUダイバーシティ推進委員会
- 2020/04 - 現在 日本雪氷学会 雪氷編集委員
- 2022/04 - 2024/03 地球環境史学会 評議員
- 2023/08 - 2024/01 極域科学シンポジウム実行委員
- 2017/09 - 2020 日本雪氷学会 雪氷化学分科会 幹事
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Awards (8): - 2023/06 - Japanese Association of University Women Morita Science Research Encouragement Award
- 2022/11 - Paleosciences Society Incentive Award of the Paleosciences Society
- 2021/09 - The Japanese Society of Snow and Ice Hirata Award
- 2020/04 - The Japanese Society of Snow and Ice (Kanto, Chubu, West Japan Branch) Best Paper Award
- 2015/08 - XIX INQUA Congress Student Poster Award
- 2015/06 - 日本学生支援機構 第一種奨学金「特に優れた業績による返還免除」(博士課程全額免除)
- 2013/09 - The Japanese Society of Snow and Ice Best presentation award for the poster presentation
- 2012/06 - 日本学生支援機構 第一種奨学金「特に優れた業績による返還免除」(修士課程全額免除)
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Association Membership(s) (5):
JAPAN GEOSCIENCE UNION
, European Geosciences Union
, THE JAPANESE SOCIETY OF SNOW AND ICE
, American Geophysical Union
, 地球環境史学会
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