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学科主题: Environmental Sciences ; Geography, Physical ; Geosciences, Multidisciplinary
题名: Saltwater Intrusion Induced by a Complete Neap Tide and Its Effect on Nutrients Variation in the Estuary of Pearl River, China
作者: [Long, Aimin ; Sun, Lingyan ; Shi, Ronggui ; Zhou, Weihua ; Dang, Aicui] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China ; [Sun, Lingyan ; Shi, Ronggui ; Dang, Aicui] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
通讯作者: longam@scsio.ac.cn
关键词: Saltwater intrusion ; stratification ; nutrient structure ; Modaomen
刊名: JOURNAL OF COASTAL RESEARCH
发表日期: 2013
卷: 29, 期:5, 页:1158-1168
部门归属: LTO
资助者: We thank anonymous reviewers for their very helpful comments. This work was supported by the Global Change Scientific Research Program of China (2010CB951201) and the National Natural Science Foundation of China-Guangdong joint program (U0933005).
摘要: Temporal and spatial variations of water temperature, salinity, dissolved oxygen (DO), and dissolved inorganic nutrients (NO3-,NO2- SiO42-) were investigated over a complete neap tide in the estuary of Pearl River, China. Obvious saltwater intrusion was observed at the lower reaches of our survey section: surface water salinity varied from 2.00 parts per thousand to 17.80 parts per thousand, and bottom water salinity varied from 5.59 parts per thousand to 22.13 parts per thousand. The calculated stratification index indicated that the lower reaches had intense stratification during the present neap tide. Obvious dilation of and SiO24- was observed in the course of saltwater intrusion. Due to intensive decomposition and desorption-releasing action, NO(3)and PO4 concentration increased with increasing water salinity. Investigation results revealed that saltwater intrusion had a significant effect on nutrient structure and probably alleviated a phosphorus-limiting situation in the estuary ecosystem. All these changes were induced to some degree by tidal currents and their associated sediment-agitation process and had a profound effect on the estuary ecosystem.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000326304800018
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10883
Appears in Collections:热带海洋环境国家重点实验室(LTO)_期刊论文

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Recommended Citation:
[Long, Aimin; Sun, Lingyan; Shi, Ronggui; Zhou, Weihua; Dang, Aicui] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Sun, Lingyan; Shi, Ronggui; Dang, Aicui] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China.Saltwater Intrusion Induced by a Complete Neap Tide and Its Effect on Nutrients Variation in the Estuary of Pearl River, China,JOURNAL OF COASTAL RESEARCH,2013,29(5):1158-1168
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