Rchr
J-GLOBAL ID：201501033409901566   Update date: Apr. 09, 2024

Oyabu Ikumi

オオヤブ イクミ | Oyabu Ikumi
Affiliation and department：
National Institute of Polar Research

About National Institute of Polar Research


Job title： Assistant Professor
Other affiliations (1)：
  • The Graduate University for Advanced Studies  Department of Polar Science   Assistant professor
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
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Papers (32)：
  • 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. EGUsphere [preprint]. 2024
  • 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
  • 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
  • Ikumi Oyabu, Kenji Kawamura. N2, O2, and Ar in ice cores: elemental and isotopic compositions. Encyclopedia of Quaternary Science, 3rd Edition. 2023
  • Giyoon Lee, Jinho Ahn, Ikumi Oyabu, Kajal Kumari, Kenji Kawamura. Greenhouse gas (CO2, CH4) alteration in shallow ice at Larsen blue-ice area, Northern Victoria Land, East Antarctica. 2023
ｍore...
Books (2)：
  • 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  (152)：
  • Variability of concentrations and size distributions of black carbon particles in Northeast Greenland since the Industrial Revolution
    (EGU General Assembly 2024 2024)
  • Surface temperature at Dome Fuji during the last interglacial period
    (AGU Fall Meeting 2023 2023)
  • The Dome Fuji ice core DF2021 chronology (0 - 207 kyr BP)
    (AGU Fall Meeting 2023 2023)
  • Investigation of the physical effects such as diffusion, smoothing, deformation, and inclination, to ice core signals in the deep section (2400m to the deepest part) of the Antarctic Dome Fuji ice sheet
    (The 14th Symposium on Polar Science 2023)
  • Black carbon deposition in Northeast Greenland over the past 350 years
    (The 14th Symposium on Polar Science 2023)
ｍore...
Education (4)：
  • 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
  • 2006 - 2010 Kobe University Faculty of Human Development Department of Human Environmental Science
Professional career (1)：
  • Doctor (Environmental Science) (Hokkaido University)
Work history (6)：
  • 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
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Committee career (9)：
  • 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
  • 2023/08 - 現在 極域科学シンポジウム実行委員
  • 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
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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
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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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