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nan hai pen di quan xin shi gu qi hou yu gu hai yang yan jiu
Author(s): 
Pages: 420-428
Year: Issue:  5
Journal: Oceanologia et Limnologia Sinica

Keyword:  全新世气候有孔虫壳体浮游有孔虫古气候岩芯南海海洋研究海平面变化大西洋氧同位素分析;
Abstract: 本文利用南海盆地箱式岩芯浮游有孔虫壳体的氧同位素资料,对南海全新世时气候的变化幅度进行了研究,并以浮游有孔虫壳体的δ18O值为依据,将南海全新世时的气候变迁划分成4个阶段。同时,配合碳同位素资料对南海全新世的古海洋状况作了描述,根据δ18O值与海平面的变化关系,首次定量估算出全新世大西洋期时南海海平面要较现代海平面高6m以上。此外,还利用δ18O值所反映的水温,对不同种属浮游有孔虫的生存深度序列进行了探讨。
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