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Comparison of copper speciation in the Zhujiang River Estuary between summer and winter: implication for upwelling current
Long, AM; Chenn, SY; Yan, W; Tian, ZL; longam@scsio.ac.cn
2005
发表期刊ACTA OCEANOLOGICA SINICA
ISSN0253-505X
卷号24期号:4页码:72-80
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.
部门归属Chinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
关键词Speciation Copper Zhujiang River Estuary
学科领域Oceanography
收录类别sci
资助项目海洋地质
WOS记录号WOS:000231165800008
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4860
专题中科院边缘海地质重点实验室
通讯作者longam@scsio.ac.cn
推荐引用方式
GB/T 7714
Long, AM,Chenn, SY,Yan, W,et al. Comparison of copper speciation in the Zhujiang River Estuary between summer and winter: implication for upwelling current[J]. ACTA OCEANOLOGICA SINICA,2005,24(4):72-80.
APA Long, AM,Chenn, SY,Yan, W,Tian, ZL,&longam@scsio.ac.cn.(2005).Comparison of copper speciation in the Zhujiang River Estuary between summer and winter: implication for upwelling current.ACTA OCEANOLOGICA SINICA,24(4),72-80.
MLA Long, AM,et al."Comparison of copper speciation in the Zhujiang River Estuary between summer and winter: implication for upwelling current".ACTA OCEANOLOGICA SINICA 24.4(2005):72-80.
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