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Fluctuation of Antarctic Ice Sheet and environmental change during the late Quaternary

Research Project

Project/Area Number 14380033
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 自然地理学
Research InstitutionNational Institute of Polar Research

Principal Investigator

MORIWAKI Kiichi  National Institute of Polar Research, Division of Research, Professor, 研究系・地学研究部門, 教授 (50033501)

Co-Investigator(Kenkyū-buntansha) TAKADA Masashi  Nara Women's University, Department of International Studies for History, Sociology and Geography, Associate Professor, 文学部, 助教授 (60273827)
IMURA Satoshi  National Institute of Polar Research, Division of Research, Associate Professor, 研究系・生理生態学研究部門, 助教授 (90221788)
MIURA Hideki  National Institute of Polar Research, Division of Research, Research Associate, 研究系・地学研究部門, 助手 (10271496)
Project Period (FY) 2002 – 2003
Project Status Completed (Fiscal Year 2003)
Budget Amount *help
¥7,100,000 (Direct Cost: ¥7,100,000)
Fiscal Year 2003: ¥2,600,000 (Direct Cost: ¥2,600,000)
Fiscal Year 2002: ¥4,500,000 (Direct Cost: ¥4,500,000)
KeywordsAntarctic / Quaternary / ^<14>C age / ESR age / Amino acid chronology / Cosmogenic radio nuclides dating / Pleistocene / Sr / Sr age / 第三紀 / 宇宙線照射年代 / 環境変化 / OSL年代 / ソフトX線写真
Research Abstract

1.The investigate on ESR dating of in situ fossil aragonitic shells from raised beaches in the Lutzow-Holm Bay region to compare ESR ages with ^<14>C dates and to discuss on late Pleistocene chronology. From the ESR ages, the ^<14>C ages (33 -43 ka) seem to be underestimated and to be much closer to the marine isotope stage (MIS) 4-5 or MIS 6-7 rather than to MIS 3.
2.Amino acid chronology was applied also for the same samples of molluscan shell. Amino acid ages range from 212 ka to 414 ka, if they have been experienced constant condition of -10ーC. These ages are the oldest age among ^<14>C age, ESR age and amino acid age.
3.Glacial erratics as well as bedrock samples from Mt.Riiser-Larsen were collected for Cosmogenic Radio Nuclides (CRN) dating. The results of the CRN dating are approximately 50ka that is consistent with the TL and radiocarbon age results from the lake sediments in the coastal site. The lowest glacial erratics recovered from 290m in altitude show the minimum CRN age of 24ka indicating the timing of the final melting of the ice sheet in this area. Given that the trimline at the Mt.Riiser-Larsen indicates the maximum height of the most recent episode of expansion of the ice sheet, EAIS in this area experienced 2 distinct events of retreat since about 50ka to the Holocene.

Report

(3 results)
  • 2003 Annual Research Report   Final Research Report Summary
  • 2002 Annual Research Report
  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] Miura, H., Maemoku, H., Moriwaki, K.: "Holocene raised beach stratigraphy and sea-level history at Kizahashi Beach, Skarvsnes, Lutzow-Holm Bay, Antarctica."Antarctica at the close of a millennium.The Royal Society of New Zealand Bulletin. 35. 391-396 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] 伊村 智: "南極湖沼に記録された環境変動の歴史"文部科学教育通信. 66. 28-29 (2002)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Imura, S., Bando, S., Seto, K., Ohtani, S., Kudoh, S., Kanda, H.: "Distribution of aquatic mosses in Soya Coast region, East Antarctica."Polar Bioscience. 16. 1-10 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Takada, M., Tani, A., Miura, H., Moriwaki, K., Nagatomo T.: "ESR dating of fossil shells in the Lutzow-Holm Bay region, East Antarctica."Quaternary Science Reviews. 22. 1323-1328 (2003)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Kashima, K., Miura, H., Takada, M., Zwartz, D.: "Diatoms from ice-marginal lake sediments at Mount Riiser-Larsen, Enderby Land, East Antarctica."Polar Geoscience. 17(In press). (2004)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Miura, H., Maemoku, H., Moriwaki, K.: "Holocene raised beach stratigraphy and sea-level history at Kizahashi Beach, Skarvsnes, Lutzow-Holm Bay, Antarctica."Antarctica at the close of a millennium. The Royal Society of New Zealand Bulletin. 35. 391-396 (2002)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Imura, S.Bando, S., Seto, K., Ohtani, S., Kudoh, S., Kanda, H: "Distribution of aquatic mosses in Soya Coast region, East Antarctica."Polar Bioscience. 16. 1-10 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Takada, M., Tani, A., Miura, H., Moriwaki, K., Nagatomo T.: "BSR dating of fossil shells in the Lutzow-Holm Bay region, East Antarctica."Quaternary Science Reviews. 22. 1323-1328 (2003)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Kashima, K., Miura, H., Takada, M., Zwartz, D.: "Diatoms from ice-marginal lake sediments at Mount Riiser-Larsen, Enderby Land, East Antarctica."Polar Geoscience. 17(in press). (2004)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2003 Final Research Report Summary
  • [Publications] Takada, M., Tani, A., Miura, H., Moriwaki, K., Nagatomo T.: "ESR dating of fossil shells in the Lutzow-Holm Bay region, East Antarctica."Quaternary Science Reviews. 22. 1323-1328 (2003)

    • Related Report
      2003 Annual Research Report
  • [Publications] Miura, H., Maemoku, H., Moriwaki, K.: "Holocene raised beach stratigraphy and sea-level history at Kizahashi Beach, Skarvsnes, Lutzow-Holm Bay, Antarctica"Antarctica at the close of a millennium. The Royal Society of New Zealand Bulletin. 35. 391-396 (2002)

    • Related Report
      2002 Annual Research Report
  • [Publications] Takada, M., Tani, A., Miura, H., Moriwaki, K., Nagatomo T.: "ESR dating of fossil shells in the Lutzow-Holm Bay region, East Antarctica"Quaternary Science Review. 22(in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] Imura, S., Bando, T., Saito, S., Seto, K., Kudoh, S., Kanda, H.: "Distribution of aquatic mosses in Soya Coast region, East Antarctica"Polar Bioscience. 16(in press). (2003)

    • Related Report
      2002 Annual Research Report
  • [Publications] 伊村 智: "南極湖沼に記録された環境変動の歴史"文部科学教育通信. 66. 28-29 (2002)

    • Related Report
      2002 Annual Research Report

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Published: 2002-04-01   Modified: 2016-04-21  

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