| On sedimentation of phosphorus in specified area outside of the Changjiang Estuary |
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| 作者姓名： | Zhou Huaiyang Pan Jianming Chen Jianfang Wang Huaizhao Y. Saito Y. Kanai |
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| 作者单位： | Zhou Huaiyang,Pan Jianming,CHEN Jianfang(Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China (hyzhou@zgb. Com. Cn);Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China (hyzhou@zgb. Com. Cn));Wang Huaizhao(Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China (hyzhou@zgb. Com. Cn));Y.Saito(Geologic Survey of Japan, 1-1-3 Higashi,Tsukuba, Ibaraki, 305-8567,Japan)
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| 基金项目： | ThissubjectwassupportedbytheStateOceanicAdministrationandtheNationalScienceFoundationundercontractNo .
49736 2 2 0 . |
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| 摘 要： | ＩＮＴＲＯＤＵＣＴＩＯＮＥｎｖｉｒｏｎｍｅｎｔａｌｐｏｌｌｕｔｉｏｎｈａｓｂｅｃｏｍｅａｖｅｒｙｓｅｒｉｏｕｓｐｒｏｂｌｅｍｗｉｔｈｔｈｅｒａｐｉｄｉｎｄｕｓｔｒｉａｌｉｚａ ｔｉｏｎ .Ｔｈｅｐｏｌｌｕｔｉｏｎｃａｕｓｅｄｂｙｐｏｌｌｕｔａｎｔｓｓｕｃｈａｓｎｕｔｒｉｅｎｔｓ ,ｈｅａｖｙｍｅｔａｌｓａｎｄｏｒｇａｎｉｃｃｏｍｐｏｕｎｄｓ(ｉｎｃｌｕｄｉｎｇｐｅｓｔｉｃｉｄｅｓ)ｅｔｃ .ｃｏｕｌｄｄａｍａｇｅｔｈｅｗｅｌｌ ｂａｌａｎｃｅｄｃｉｒｃｕｌａｔｉｏｎｏｆｎａｔｕｒａｌｅｃｏｓｙｓｔｅｍａｎ…
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| 关 键 词： | The Changjiang Estuary phosphorus sediment seasonal variability |
| 收稿时间： | 2000/1/25 0:00:00 |
| 修稿时间： | 2000/10/4 0:00:00 |
On sedimentation of phosphorus in specified area outside of the Changjiang Estuary |
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| Zhou Huaiyang,Pan Jianming,Chen Jianfang,Wang Huaizhao,Y. Saito,Y. Kanai.On sedimentation of phosphorus in specified area outside of the Changjiang Estuary[J].Acta Oceanologica Sinica,2001,20(1):85-93. |
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| Authors: | Zhou Huaiyang Pan Jianming Chen Jianfang Wang Huaizhao Y Saito and Y Kanai |
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| Institution: | 1.Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China;Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China2.Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China3.Geologic Survey of Japan, 1-1-3 Higashi, Tsukuba, Ibaraki, 305-8567, Japan |
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| Abstract: | Phosphorus content of surface sediments (0～ 1 cm) sampled by multicorer in specified area (31°00′～32°00′N, 122°30′～124°00′E) outside of the Changjiang Estuary in October 1997 and May 1998 respectively is analyzed. Combined with the data of phosphorus concentration in seawaters, grain size and chemical composition as well as the isotopic sedimentary rate of surface sediment and etc., it is recognized that seasonal variability of different water massea could be sensitively recorded in sediments.Distribution pattern of phosphorous in surface sediment in the area is probably both controlled by the Changjiang River diluted water mass and the Huanghai Sea and the East China Sea mixed water mass.Retransportation and resedimentation perhaps do actively happen in the study region that could make resuspended sediments release pollutants as phosphorus into seawater and have significant impacts on marine ecosystem, although it is indicated that at least some of phosphorus in sediments exists in immobile or inorganic forms. |
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| Keywords: | The Changjiang Estuary phosphorus sediment seasonal variability |
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