| 南海与西太平洋海水的交换:氧、氦同位素证据 |
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| 引用本文： | 任建国,王先彬.南海与西太平洋海水的交换:氧、氦同位素证据[J].海洋学报,2001,23(2):57-61. |
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| 作者姓名： | 任建国 王先彬 |
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| 作者单位： | 1.厦门大学海洋系, 福建厦门 361005 |
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| 基金项目： | 国家自然科学基金资助项目(49133009)；国家博士后科学基金资助项目. |
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| 摘 要： | 研究了西太平洋海域(7°～26°N,122°～130°E)不同深度海水的氧、氦同位素组成和分布特征.结果表明,巴士海峡附近海域几个深度上δ18O等值线均向东弯曲,δ3He等值线也出现了类似的分布特征,可能反映了南海海水与黑潮水的混合作用.氧、氦同位素的研究结果为南海海水通过巴士海峡侵入了西太平洋提供了地球化学证据.
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| 关 键 词： | 西太平洋 δ18O δ3He 分布 混合作用 |
| 文章编号： | 0253-4193(2001)02-0057-05 |
| 收稿时间： | 1999/9/29 0:00:00 |
| 修稿时间： | 1999年9月29日 |
Helium and oxygen isotopic evidence on the exchange of water between the West Pacific and the South China Sea |
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| REN Jian-guo and WANG Xian-bin.Helium and oxygen isotopic evidence on the exchange of water between the West Pacific and the South China Sea[J].Acta Oceanologica Sinica (in Chinese),2001,23(2):57-61. |
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| Authors: | REN Jian-guo and WANG Xian-bin |
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| Institution: | 1.Department of Oceanology, Xiamen University, Xiamen 361005, China2.Lanzhou Institute of Geolog, Chinese Academy of Sciences, Lanzhou 730000, China |
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| Abstract: | The composition and distribution of helium and oxygen isotopes in samples of seawater obtained at depths from the surface to 300 m in the West Pacific(7°~26°N,122°~130°E) are discussed in detail.The results show that both δ18O and δ3He isoline extend eastward in the Pacific side of the Luzon Strait,which may suggest that the South China Sea water intrudes into the West Pacific by the Luzon Strait. |
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