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Studies on the structure and formation of the oldest fossil ice body in Japan

Research Project

Project/Area Number 63302016
Research Category

Grant-in-Aid for Co-operative Research (A)

Allocation TypeSingle-year Grants
Research Field 気象・海洋・陸水学
Research InstitutionNagoya University

Principal Investigator

HIGUCHI Keiji  Nagoya Univ., Water Res. Inst., Professor, 水圏科学研究所, 教授 (50022512)

Co-Investigator(Kenkyū-buntansha) KAWADA Kunio  Toyama Univ., Fac. of Science, Assistant Professor, 理学部, 助手 (20019003)
TSUSHIMA Katsutoshi  Toyama Univ., Fac. of Science, Professor, 理学部, 教授 (00002098)
KOBAYASHI Takehiko  Toyama Univ., College of General Education, Professor, 教養部, 教授 (80019257)
OHATA Tetsuo  Nagoya Univ., Water Res. Inst., Assistant Professor, 水圏科学研究所, 助手 (90152230)
AGETA Yutaka  Nagoya Univ., Water Res. Inst., Associate Professor, 水圏科学研究所, 助教授 (80091164)
Project Period (FY) 1988 – 1989
Project Status Completed (Fiscal Year 1989)
Budget Amount *help
¥8,100,000 (Direct Cost: ¥8,100,000)
Fiscal Year 1989: ¥3,100,000 (Direct Cost: ¥3,100,000)
Fiscal Year 1988: ¥5,000,000 (Direct Cost: ¥5,000,000)
KeywordsFossil ice body / ^<14>C dating / Basal sediment / Peri-glacial sediment / Paleo-environment / Ice flow / Ice structure / Snow patch / 古環境 / 岩屑運搬 / 氷体年代 / 雪渓研究 / ^<14>C年代測定 / 小氷期 / 熱水ドリル
Research Abstract

This research was two years project to study the fossil ice body of Kuranosuke Snow Patch in Japanese Northern Alps. In 1988, inner structure of the ice body was observed in vertical holes which penetrate to the bottom of the ice body with a depth of 19m. And many pieces of plants for ^<14>C dating, ice samples for physical and chemical analyses and basal sediment for analysis of dynamical process were collected from the hole.
The age of this ice body was found to be 1700 - 1800 BP at the basal part, around 1000 BP at a height of 13m from the bottom and after 1960 above that. Distinct differences were found in the physical and chemical character of ice between the upper part and the lower part of the unconformable layer at a height of 13.2m from the bottom.
Peri-glacial sediment studies and the samples analyses revealed that this area was warm and covered with alpine plants about 6000- 7000 BP,and after about 2000 BP, the ice body was formed under the climate colder than the present. After the formation of the ice body, much accumulation due to orographic effect protect the ice body from the surface melting, and also, the bottom melting was small due to cold ground temperature.
Many evidences of ice flow were found, though the flow speed was small because the terminal moraine dammed up the ice movement. Therefore, this ice body was considered to be a glacier in the past. However, clear evidence of the present flow could not be found.

Report

(3 results)
  • 1989 Annual Research Report   Final Research Report Summary
  • 1988 Annual Research Report

Research Products

(19 results)

All Other

All Publications (19 results)

  • [Publications] 佐竹洋: "北アルプス内蔵助雪渓のナトリウム濃度、安全同位体比と化学成分" 富山大学ナトリウム科学センタ-研究報告. 9. (1989)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] 中村俊夫他: "北アルプス内蔵助雪渓の下部氷体中の植物遺体の加速器^<14>C年代" 第四紀研究(発表予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Funaki,M.et al.: "Acquisition of natural remanent magnetization for dirtーsnow involving rock dust" J.Geomag.Geoelectr.(発表予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Morinaga,Y.et al.: "Synoptic weather conditions associated with the ablation ofa perennial snowpatch in the Tsurugisawa valley,Japanese Alps" International Journal of Climatology(発表予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Yoshida,M.et al.: "First discovery of fossil ice of 1000ー1700 years BP in Japan" Journal of Glaciology(発表予定).

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Satake, H.: "Tritium and stable isotope geochemistry of Kuranosuke Snow Patch, central Japan (in Japanese)." Annual Report of Tritium Research Center, Toyama University. 9, (in press). (1989)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Nakamura, T. et al.: "Radiocarbon ages by accelerator mass spectrometry of plant residues from ice body at Kuranosuke snowy ravine, North Alps, Japan (in Japanese)." Quaternary Research, (in preparation).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Funaki, M. et al.: "Acquisition of natural remanent magnetization for dirt-snow involving rock dust." J. Geomag. Geoelectr., (in press).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Morinaga, Y. et al.: "Synoptic weather conditions associated with the ablation of a perennial snowpatch in the Tsurugisawa Valley, Japanese Alps." International Journal of Climatology, (submitted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] Yoshida, M. et al.: "First discovery of fossil ice of 1000-1700 years BP in Japan." Journal of Glaciology, (submitted).

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1989 Final Research Report Summary
  • [Publications] 佐竹洋: "北アルプス内蔵助雪渓のトリチウム濃度、安定同位体比と化学成分" 富山大学トリチウム科学センタ-研究報告. 9. (1989)

    • Related Report
      1989 Annual Research Report
  • [Publications] 中村俊夫 他: "北アルプス内蔵助雪渓の下部氷体中の植物遺体の加速器^<14>C年代" 第四紀研究.

    • Related Report
      1989 Annual Research Report
  • [Publications] Funaki,M.et al.: "Acquisition of natural remanent magnetization for dirt-snow involving rock dust" J.Geomag.Geoelectr.

    • Related Report
      1989 Annual Research Report
  • [Publications] Morinaga,Y.et al.: "Synoptic weather conditions associated with the ablation of a perennial snowpatch in the Tsurugisawa valley,Japanese Alps" International Journal of Climatology.

    • Related Report
      1989 Annual Research Report
  • [Publications] Yoshida,M.et al.: "First discovery of fossil ice of 1000-1700 years BP in Japan" Journal of Glaciology.

    • Related Report
      1989 Annual Research Report
  • [Publications] 川田邦夫: Contributions to Mountain Sciences. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 飯田肇: 雪氷. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 小野有五: 地形. (1989)

    • Related Report
      1988 Annual Research Report
  • [Publications] 中村俊夫: 第四紀研究. (1989)

    • Related Report
      1988 Annual Research Report

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Published: 1988-03-31   Modified: 2016-04-21  

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