生物源炭酸塩の同位体比及び微量元素を用いた熱帯域海洋表層の高解像度古環境解析に関する研究

DOI Web Site 参考文献42件
  • 渡邊 剛
    東京大学海洋研究所海洋環境研究センター

書誌事項

タイトル別名
  • High-Resolution Reconstruction of Palaeoclimates in tropical sea surface using Stable Isotopes and Trace Elements in Biogenic Carbonates
  • 2003年度日本地球化学会奨励賞受賞記念論文(The Geochemical Society of Japan Award for Young Researchers) 生物源炭酸塩の同位体比及び微量元素を用いた熱帯域海洋表層の高解像度古環境解析に関する研究
  • 2003ネンド ニホン チキュウ カガクカイ ショウレイショウ ジュショウ キネン ロンブン The Geochemical Society of Japan Award for Young Researchers セイブツ ゲン タンサンエン ノ ドウイタイヒ オヨビ ビリョウ ゲンソ オ モチイタ ネッタイイキ カイヨウ ヒョウソウ ノ コウカイゾウド コ カンキョウ カイセキ ニ カンスル ケンキュウ

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抄録

My recent scientific interests have been to reconstruct palaeoclimates in the tropical and sub tropical areas using chemical tracer of biogenic carbonates including coral skeletons and molluscan shells, which have annual and daily growth bands. Understanding the past climate variability in the tropical ocean is a high priority in climate change research. The tropical climate variability has global consequences such as El Nino-Southern Oscillation (ENSO) and Asian-Australian monsoon but the instrumental records in this area are limited only up to past several decades. Recently coral skeletons have been widely used to understand the past climate variability in the tropical ocean. The oxygen isotopic and trace elemental records of living and fossil coral skeletons have provided the sea surface temperature and precipitation over several hundred years. Despite such a great advance, there still remain problems to use coral skeletons for reconstructing palaeoclimates because of complicated biological and physical processes during their formation. Here I would like to introduce recent my works concerned with these problems and solutions using biogenic carbonates in the skeletons of coral reefs dwellers.

収録刊行物

  • 地球化学

    地球化学 38 (1), 29-43, 2004

    一般社団法人日本地球化学会

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