| Zhou Huaiyang,Pan Jianming,Chen Jianfang,Wang Huaizhao,Y. Saito,Y. Kanai. 2001. On sedimentation of phosphorus in specified area outside of the Changjiang Estuary. Acta Oceanologica Sinica, (1):85－93 |
| On sedimentation of phosphorus in specified area outside of the Changjiang Estuary |
| On sedimentation of phosphorus in specified area outside of the Changjiang Estuary |
| Received:January 25, 2000 Revised:October 04, 2000 |
| DOI： |
| Key words:The Changjiang Estuary phosphorus sediment seasonal variability |
| 中文关键词: The Changjiang Estuary phosphorus sediment seasonal variability |
| 基金项目:This subject was supported by the State Oceanic Administration and the National Science Foundation under contract No.49736220. |
| Author Name | Affiliation | | Zhou Huaiyang | Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China | | Pan Jianming | Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China | | Chen Jianfang | Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China
Key Laboratory of Submarine Geoscience of State Oceanic Administration, Hangzhou 310012, China | | Wang Huaizhao | Second Institute of Oceanography, State Oceanic Administration, Hangzhou 310012, China | | Y. Saito | Geologic Survey of Japan, 1-1-3 Higashi, Tsukuba, Ibaraki, 305-8567, Japan | | Y. Kanai | Geologic Survey of Japan, 1-1-3 Higashi, Tsukuba, Ibaraki, 305-8567, Japan |
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| Abstract: |
| Phosphorus content of surface sediments (0~1cm) 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. |
| 中文摘要: |
| Phosphorus content of surface sediments (0~1cm) 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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