最終氷期から後氷期にかけての海洋環境の変化

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書誌事項

タイトル別名
  • Oceanic environmental change from the last glacial to postglacial periods
  • サイシュウ ヒョウキ カラ コウヒョウキ ニ カケテ ノ カイヨウ カンキョウ

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抄録

The following differences can be recognized world-widely between the last glacial and postglacial periods. In the last glacial period, 1) δ13C value of benthic foraminiferal test was 0.5‰ smaller, 2) cadmium and calcium ratio of benthic foraminiferal test was about 20% higher, 3) atmospheric CO2 content was about two-third, and 4) large amount of dust had accumulated in polar region. And also 5) calcium carbonate preservation spike had occurred during the transitional period from the last glacial to postglacial. The oceanic environmental change which can systematically explain these differences is discussed in detail.

収録刊行物

  • 地球化学

    地球化学 22 (1), 13-19, 1988

    一般社団法人日本地球化学会

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