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学科主题: Environmental Sciences; Marine & Freshwater Biology
题名: Influence of the Pearl River estuary and vertical mixing in Victoria Harboron water quality in relation to eutrophication impacts in Hong Kong waters
作者: Yin, K ; Harrison, PJ
通讯作者: kyin@ust.hk
刊名: MARINE POLLUTION BULLETIN
发表日期: 2007
卷: 54, 期:6, 页:646-656
收录类别: sci
部门归属: Hong Kong Univ Sci & Technol, Dept Biol, Atmospher Marine & Coastal Environm Progam, Kowloon, Hong Kong, Peoples R China; Griffith Univ, Australian Rivers Inst, Brisbane, Qld 4111, Australia; Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marine Trop Environm Dynam, Guangzhou, Peoples R China
项目归属: LED
摘要: This study presents water quality parameters such as nutrients, phytoplankton biomass and dissolved oxygen based on I I years of water quality data in Victoria Harbor and examined how the Pearl River estuary discharge in summer and year round sewage discharge influenced these parameters. Nutrients in Victoria Harbor were strongly influenced by both the Pearl River and sewage effluent, as indicated by the high NO3 inputs from the Pearl River in summer and higher NH4 and PO4 in Victoria Harbor than both its sides. N:P ratios were low in the dry season, but increased to > 16:1 in the wet season, suggesting that P is potentially the most limiting nutrient in this area during the critical period in the summer. Although there were generally high nutrients, the phytoplankton biomass was not as high as one would expect in Victoria Harbor. In fact, there were high concentrations of chl near the bottom well below the photic zone. Salinity near the bottom was lower in Victoria Harbor than at the two entrances to Victoria Harbor, suggesting strong vertical mixing within Victoria Harbor. Therefore, strong vertical mixing and horizontal advection appear to play an important role in significantly reducing eutrophication impacts in Victoria Harbor. Consequently, dissolved oxygen near the bottom was low in summer, but only occasionally dipped to 2 mg L-1 despite the high organic. loading from sewage effluent. (C) 2007 Elsevier Ltd. All rights reserved.
原文出处: 查看原文
WOS记录号: WOS:000247736600012
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5881
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Yin, K; Harrison, PJ.Influence of the Pearl River estuary and vertical mixing in Victoria Harboron water quality in relation to eutrophication impacts in Hong Kong waters,MARINE POLLUTION BULLETIN,2007,54(6):646-656
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文件名: Influence of the Pearl River estuary and vertical mixing in Victoria Harboron water quality in relation to eutrophication impacts in Hong Kong waters .pdf
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