サンゴ年輪記録 : 過去数百年間の古海洋学的情報の復元  [in Japanese] Coral skeletal records: a reconstruction of palaeoceanographic conditions for the last several centuries  [in Japanese]

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Author(s)

    • 谷本 陽一 TANIMOTO Youichi
    • 東京都立大学理学研究科|地球フロンティア研究システム Graduate School of Science, Tokyo Metropolitan University|Frontier Research System for Global Change
    • 川幡 穂高 KAWAHATA Hodaka
    • 工業技術院地質調査所海洋地質部|東北大学大学院理学研究科 Geological Survey of Japan|Graduate School of Science, Tohoku University

Abstract

We describe recent progress in palaeo-environmental studies using coral skeletal records. Coral skeletons are excellent archives for considerable and diverse environmental information from tropical oceans. A high precision micro-sampling technique has allowed us to reconstruct high-resolution proxy climate records using the annual density bands of massive corals such as <i>Porites spp</i>. The combination of high-precision oxygen stable isotope analysis and Sr/Ca thermometry is one of the most promising methods for the reconstruction of palaeo-seawater temperature and water budgets including rainfall, evaporation and deep water upwelling. Coral proxy records will contribute to the understanding of the nature of past climate changes, including El Niño-Southern Oscillation (ENSO) and the Asian monsoon. We also introduce coral records spanning more than 100 years, which provided a unique insight into the low-frequency features of ENSO related phenomena in the tropical Indian and Pacific Oceans.

Journal

  • Chikyukagaku

    Chikyukagaku 33(1), 23-44, 1999

    The Geochemical Society of Japan

References:  71

Cited by:  3

Codes

  • NII Article ID (NAID)
    110008679969
  • NII NACSIS-CAT ID (NCID)
    AN00141280
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    0386-4073
  • NDL Article ID
    4678646
  • NDL Source Classification
    ZM41(科学技術--地球科学)
  • NDL Call No.
    Z15-645
  • Data Source
    CJP  CJPref  NDL  NII-ELS  J-STAGE 
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