| Oxygen isotopic composition and its application to the study of tracing oceanographical process in Bering Sea and Chukchi Sea |
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| 作者姓名： | 尹明端 曾宪章 曾文义 吴世炎 施纯坦 |
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| 作者单位： | Yin Mingduan，Zeng Xianzhang，Zeng Wenyi，Wu Shiyan and Shi Chuntan Third Institute of Oceanography，SOA，Xiamen 361005，China |
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| 摘 要： | 1 Ｉｎｔｒｏｄｕｃｔｉｏｎ18Ｏｉｎｍａｒｉｎｅｅｎｖｉｒｏｎｍｅｎｔｐｌａｙｓａｎｉｍｐｏｒｔａｎｔｒｏｌｅｉｎｏｃｅａｎｏｇｒａｐｈｉｃａｌｓｔｕｄｙ .Ａｓａｓｔａｂｌｅｉｓｏｔｏｐｅｏｆｏｘｙｇｅｎ ,18ＯｔｏｇｅｔｈｅｒｗｉｔｈｈｙｄｒｏｇｅｎａｔｏｍｓｃｏｎｓｔｉｔｕｔｅｓｗａｔｅｒｍｏｌｅｃｕｌｅＨ218ＯａｎｄｍｏｖｅｓｗｉｔｈａｌａｒｇｅａｍｏｕｎｔｏｆＨ2 Ｏｍｏｌｅｃｕｌｅｓｉｎｓｅａｗａｔｅｒ.Ｓｏｔｈａｔδ18Ｏｂｅｃｏｍｅｓａｎｉｄｅａｌｔｒａｃｅｒｆｏｒｔｈｅｍｏｖｅｍｅｎｔｏ…
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Oxygen isotopic composition and its application to the study of tracing oceanographical process in Bering Sea and Chukchi Sea |
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| Yin Mingduan,Zeng Xianzhang,Zeng Wenyi,Wu Shiyan and Shi Chuntan Third Institute of Oceanography,SOA,Xiamen ,China.Oxygen isotopic composition and its application to the study of tracing oceanographical process in Bering Sea and Chukchi Sea[J].Chinese Journal of Polar Science,2002,13(1). |
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| Authors: | Yin Mingduan Zeng Xianzhang Zeng Wenyi Wu Shiyan and Shi Chuntan Third Institute of Oceanography SOA Xiamen China |
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| Institution: | Third Institute of Oceanography, SOA, Xiamen 361005, China |
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| Abstract: | In this paper, the 18O distribution of surface water from the central sea areas of the Bering Sea and the Chukchi Sea was studied. The δ18O value of surface water from the Bering Sea is averagely -0.5‰; the δ18O contents of the Chukchi Sea are distributionally lower in northeast and higher in southwest; the δ18O value at the margin of Canadian Basin is -2.8‰, and averagely -0.8‰ in the southern area of the Chukchi Sea. The δ18O vertical distribution in some deep water stations from the Chukchi Sea and the Bering Sea is also studied. In the southern margin of Canadian Basin, the δ18O value is -2‰ -3‰ for surface layer and rises to 0 at 100 m depth layer. In the Bering Sea, the δ18O is about -0.5‰ for surface layer and increases to 0 at the depth of 300 m. The NO tracer can reflect obviously three water masses vertically distributed in the central Bering Sea: the upper Bering water mass, the middle Bering water mass and the deep Pacific water mass. The distributive ranges of NO and temperature for the various water masses are T<7℃, NO>780 μmol/dm3 and T≥7℃, NO>650 μmol/dm3 for upper Bering water mass, T<4℃, 550
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| Keywords: | Chukchi Sea Bering Sea 18 O water masses sea ice melting water |
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