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Geomagnetic field variations during late Pleistocene in North Pacific high latitudes : linkage with paleoclimatic studies

Research Project

Project/Area Number 19612002
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field 地球システム変動
Research InstitutionNational Institute of Advanced Industrial Science and Technology
産業技術総合研究所

Principal Investigator

YAMAZAKI Toshitsugu  産業技術総合研究所, 地質情報研究部門, 研究グループ長 (80344125)

Co-Investigator(Kenkyū-buntansha) HARADA Naomi  独立行政法人海洋研究開発機構, 地球環境観測研究センター, サブリーダー (70344281)
KAWAMURA Noriko  独立行政法人産業技術総合研究所, 地質情報研究部門, 特別研究員 (80442458)
Research Collaborator INOUE Seiko  筑波大学, 大学院・生命環境科学研究科, 学生
SHIMONO Takaya  筑波大学, 大学院・生命環境科学研究科, 学生
Project Period (FY) 2007 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Fiscal Year 2007: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Keywords古地磁気 / 岩石磁気 / 古地磁気強度 / 環境磁気 / オホーツク海 / ベーリング海 / 南東太平洋 / 精密年代 / ピストンコア
Research Abstract

相対古地磁気強度変動を用いて、オホーツク海の3地点で採取されたピストンコア(MR0604-PC05,06,07)の年代推定を、1万年オーダーの分解能で行うことに成功した。コアPC05は過去約50万年間、PC06,07は約35万年間をカバーしている。相対古地磁気強度によるコア間の精密対比と磁気特性の変動より、最北のPC05サイトでは間氷期最盛期に氷礫が供給されたのに対し、南側のPC06,07サイトでは氷期に氷礫が供給されたと推定され、気候変動に伴う海氷分布の変遷に関する情報が得られた。

Report

(3 results)
  • 2009 Final Research Report ( PDF )
  • 2008 Annual Research Report
  • 2007 Annual Research Report
  • Research Products

    (31 results)

All 2009 2008 2007 Other

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (27 results)

  • [Journal Article] Magnetostatic interactions in deep-sea sediments inferred from FORC diagrams: Implications for relative paleointensity normalization2008

    • Author(s)
      Yamazaki, T
    • Journal Title

      Geochemistry, Geophysics, Geosystems 9(on-line)

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Journal Article] Magnetostatic interactions in deep-sea sediments inferred from FORC diagrams:Implications for relative paleointensity normalization2008

    • Author(s)
      Yamazaki, T.
    • Journal Title

      Geochemistry, Geophysics, Geosystems(G-cubed) 9(on line)

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Freshwater impacts recorded in tetraunsaturated alkenones and alkenone-SSTs from the Okhotsk Sea acrossmillennial-scale cvcles2008

    • Author(s)
      Harada, N., Sato, M., and Sakamoto, T.
    • Journal Title

      Paleoceanography 23

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Freshwater impacts recorded in tetraunsaturated alkenones and alkenone-SSTs from the Okhotsk Sea acrossmillennial-scale cycles

    • Author(s)
      Harada, N., Sato, M., Sakamoto, T
    • Journal Title

      Paleoceanography 23

    • Related Report
      2009 Final Research Report
    • Peer Reviewed
  • [Presentation] Inter-core correlation of Okhotsk Sea sediment cores using geomagnetic paleointensity and paleoenvironmental implications2009

    • Author(s)
      井上聖子, 山崎俊嗣
    • Organizer
      地球電磁気・地球惑星圏学会第126回総会・講演会
    • Place of Presentation
      金沢
    • Year and Date
      2009-09-28
    • Related Report
      2009 Final Research Report
  • [Presentation] コア採取方法が磁化率異方性に与える影響:オホーツク海中央部の海底堆積物を用いたグラビティ・コアとピストン・コアの比較2009

    • Author(s)
      下野貴也, 山崎俊嗣, 井上聖子
    • Organizer
      地球電磁気・地球惑星圏学会第126回総会・講演会
    • Place of Presentation
      金沢
    • Year and Date
      2009-09-28
    • Related Report
      2009 Final Research Report
  • [Presentation] Inter-core correlation of Okhotsk Sea sediment cores using geomagnetic paleointensity and paleoenvironmental implications2009

    • Author(s)
      井上聖子、山崎俊嗣
    • Organizer
      地球電磁気・地球惑星圏学会第126回総会・講演会
    • Place of Presentation
      金沢市
    • Year and Date
      2009-09-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] コア採取方法が磁化率異方性に与える影響:オホーツク海中央部の海底堆積物を用いたグラビティ・コアとピストン・コアの比較2009

    • Author(s)
      下野貴也、山崎俊嗣、井上聖子
    • Organizer
      地球電磁気・地球惑星圏学会第126回総会・講演会
    • Place of Presentation
      金沢市
    • Year and Date
      2009-09-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Inter-core correlation of Okhotsk Sea sediment cores using geomagnetic paleointensity and paleoenvironmental implications2008

    • Author(s)
      Inoue, S., Yamazaki, T., Sakai, S., Iijima, K., Sakamoto, T
    • Organizer
      2008 AGU Fall Meeting
    • Place of Presentation
      San Francisco
    • Year and Date
      2008-12-15
    • Related Report
      2009 Final Research Report
  • [Presentation] Inter-core correlation of Okhotsk Sea sediment cores using geomagnetic paleointensity and paleoenvironmental implications2008

    • Author(s)
      井上聖子、山崎俊嗣、坂井三郎、飯島耕一、坂本竜彦
    • Organizer
      2008 AGU Fall Meeting
    • Place of Presentation
      San Francisco, U.S.A
    • Year and Date
      2008-12-15
    • Related Report
      2008 Annual Research Report
  • [Presentation] Magnetostatic interactions in Pacific deep-sea sediments inferred from FORC diagrams: Implications for magnetic grain-size proxy and relative paleointensity normalization2008

    • Author(s)
      Yamazaki, T
    • Organizer
      2008 International Rock Magnetic Conference
    • Place of Presentation
      Gargese, France
    • Year and Date
      2008-06-03
    • Related Report
      2009 Final Research Report
  • [Presentation] An experimental study of magnetic proxy and water chemistry changes with temperature in natural marine sediments2008

    • Author(s)
      Kawamura, N., Yamazaki, T
    • Organizer
      2008 International Rock Magnetic Conference
    • Place of Presentation
      Gargese, France
    • Year and Date
      2008-06-03
    • Related Report
      2009 Final Research Report
  • [Presentation] Magnetostatic interactions in Pacific deep-sea sediments inferred from FORC diagrams : Implications for magnetic grain-size proxy and relative paleointensity normalization2008

    • Author(s)
      山崎俊嗣
    • Organizer
      2008 International Rock Magnetic Conference
    • Place of Presentation
      Cargese, France
    • Year and Date
      2008-06-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] An experimental study of magnetic proxy and water chemistry chances with temperature in natural marine sediments2008

    • Author(s)
      川村紀子、山崎俊嗣
    • Organizer
      2008 International Rock Magnetic Conference
    • Place of Presentation
      Cargese, France
    • Year and Date
      2008-06-03
    • Related Report
      2008 Annual Research Report
  • [Presentation] オホーツク海における第四紀後期の海氷変動と海洋循環2008

    • Author(s)
      坂本竜彦, 坂井三郎, 飯島耕一, 杉崎彩子, 井上聖子, 山崎俊嗣, 原田尚美
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張
    • Year and Date
      2008-05-27
    • Related Report
      2009 Final Research Report
  • [Presentation] オホーツク海における第四紀後期の海氷変動と海洋循環2008

    • Author(s)
      坂本竜彦、坂井三郎、飯島耕一、杉崎彩子、井上聖子、山崎俊嗣、原田尚美
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2008-05-27
    • Related Report
      2008 Annual Research Report
  • [Presentation] YK07-12乗船研究者, 温度条件に応じた水質と海底堆積物中の磁気特性の変化2008

    • Author(s)
      川村紀子, 山崎俊嗣
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張
    • Year and Date
      2008-05-25
    • Related Report
      2009 Final Research Report
  • [Presentation] 温度条件に応じた水質と海底堆積物中の磁気特性の変化2008

    • Author(s)
      川村紀子、山崎俊嗣、YK07-12乗船研究者
    • Organizer
      日本地球惑星科学連合2008年大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2008-05-25
    • Related Report
      2008 Annual Research Report
  • [Presentation] 海底堆積物コアに記録された長時間スケールのオホーツク海の古海洋環境の変動2008

    • Author(s)
      原田尚美, 坂本竜彦, 井尻暁, 飯島耕一, 関宰
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京
    • Year and Date
      2008-03-28
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [Presentation] Geochemical evidence for Millennial-scale variation of intermediate water intensity in the Bering Sea during the last glacial-interglacial cycle?2008

    • Author(s)
      Rella S., Tada, R., Nagashima, K., Uchida, M., Itaki, T., Ohkushi, K., Harada, N
    • Organizer
      JAMSTECブルーアースシンポジウム2008
    • Place of Presentation
      横浜
    • Year and Date
      2008-03-14
    • Related Report
      2009 Final Research Report
  • [Presentation] Geochemical evidence for Millennial-scale variation of intermediate water intensity in the Bering Sea during the last glacial-interglacial cycle2008

    • Author(s)
      Rella S., Tada, R., Nagashima, K., Uchida, M., Itaki, T., Ohkushi, K., Harada, N.
    • Organizer
      JAMSTECブルーアースシンポジウム2008
    • Place of Presentation
      横浜
    • Year and Date
      2008-03-14
    • Related Report
      2007 Annual Research Report
  • [Presentation] 相対古地磁気強度を用いたオホーツク海堆積物コアの年代推定2008

    • Author(s)
      井上聖子, 山崎俊嗣
    • Organizer
      JAMSTECブルーアースシンポジウム2008
    • Place of Presentation
      横浜
    • Year and Date
      2008-03-13
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [Presentation] MR06-04で得られたオホーツク海中央部の海底堆積物コアの年代モデルと海氷変動2008

    • Author(s)
      坂本竜彦, 坂井三郎, 飯島耕一, 杉崎彩子, 井上聖子, 山崎俊嗣, 原田尚美
    • Organizer
      JAMSTECブルーアースシンポジウム2008
    • Place of Presentation
      横浜
    • Year and Date
      2008-03-13
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [Presentation] Possible overcompensation of non-interacting biogenic component by normalization with ARM in sedimentatry paleointensity estimations2007

    • Author(s)
      Yamazaki, T
    • Organizer
      2007 AGU Fall Meeting
    • Place of Presentation
      San Francisco
    • Year and Date
      2007-12-12
    • Related Report
      2009 Final Research Report
  • [Presentation] Magnetostatic interaction controls the ratio of ARM to SIRM in marine sediments2007

    • Author(s)
      山崎俊嗣, 菅沼悠介, 井上聖子
    • Organizer
      地球電磁気・地球惑星圏学会第122回総会・講演会
    • Place of Presentation
      名古屋
    • Year and Date
      2007-10-01
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [Presentation] 地球磁場強度変動と気候変動の関連性2007

    • Author(s)
      山崎俊嗣
    • Organizer
      日本地質学会第114年学術大会
    • Place of Presentation
      札幌
    • Year and Date
      2007-09-10
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [Presentation] Preference of normalizer on sedimentary paleointensity: Strong influence of magnetostatic interaction on ARM acquisition2007

    • Author(s)
      Yamazaki, T
    • Organizer
      IUGG XXIV General Assembly
    • Place of Presentation
      Perugia, Italy
    • Year and Date
      2007-07-06
    • Related Report
      2009 Final Research Report
  • [Presentation] Preference of normalizer on sedimentary paleointensity:Strong influence of magnetostatic interaction on ARM acquisition2007

    • Author(s)
      Yamazaki, T.
    • Organizer
      IUGG XXIV General Assembly
    • Place of Presentation
      ペルージャ
    • Year and Date
      2007-07-06
    • Related Report
      2007 Annual Research Report
  • [Presentation] 相対古地磁気強度を用いたオホーツク海堆積物コアの年代推定2007

    • Author(s)
      井上聖子, 山崎俊嗣
    • Organizer
      日本地球惑星科学連合2007年大会
    • Place of Presentation
      幕張
    • Year and Date
      2007-05-19
    • Related Report
      2009 Final Research Report
  • [Presentation] Possible overcompensation of non-interacting biogenic component by normalization with ARM in sedimentatry paleointensity estimations2007

    • Author(s)
      Yamazaki, T.
    • Organizer
      2007 AGU Fall Meeting
    • Place of Presentation
      サンフランシスコ
    • Year and Date
      2007-05-19
    • Related Report
      2007 Annual Research Report
  • [Presentation] 相対古地磁気強度を用いたオホーツク海堆積物コアの年代推定2007

    • Author(s)
      井上 聖子、山崎 俊嗣
    • Organizer
      日本地球惑星科学連合2007年合同大会
    • Place of Presentation
      幕張
    • Year and Date
      2007-05-19
    • Related Report
      2007 Annual Research Report

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Published: 2007-04-01   Modified: 2016-04-21  

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