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学科主题: Oceanography
题名: Comparison of copper speciation in the Zhujiang River Estuary between summer and winter: implication for upwelling current
作者: Long, AM ; Chenn, SY ; Yan, W ; Tian, ZL
通讯作者: longam@scsio.ac.cn
关键词: speciation ; copper ; Zhujiang River Estuary
刊名: ACTA OCEANOLOGICA SINICA
发表日期: 2005
卷: 24, 期:4, 页:72-80
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: 海洋地质
摘要: The contents of total copper, total dissolved copper, particulate copper, and free ion copper in the Zhujiang River Estuary were investigated in July 2002 and January 2003 respectively, and the spatial distribution trend of these species of copper were compared in two cruises. It was found that, in summer, the total copper content in the Zhujiang River Estuary increased with salinity, while the content of free ion copper decreased with salinity. However, in winter, the contents of total copper and free ion copper both decreased with salinity. So, it could be concluded that, copper content and speciation in the Zhujiang River Estuary were regulated by other factors than runoff diffusion such as upwelling current. In order to prove the spatial trend of free ion copper content in the Zhujiang River Estuary, the cultivation of Dunaliella tertiolecta in waters obtained from sampling stations with different salinities was carried out, and the copper uptake by algae cells was measured then. It was found that, the cells' uptake of copper increased with free ion copper, not the content of total copper.
WOS记录号: WOS:000231165800008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4860
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Long, AM; Chenn, SY; Yan, W; Tian, ZL.Comparison of copper speciation in the Zhujiang River Estuary between summer and winter: implication for upwelling current,ACTA OCEANOLOGICA SINICA,2005,24(4):72-80
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文件名: Comparison of copper speciation in the Zhujiang River Estuary between summer and winter implication for upwelling current.pdf
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