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Distribution and chemical speciation of dissolved inorganic arsenic in the Yellow Sea and East China Sea
Wu Bin1,2; Song Jinming1; Li Xuegang1
2015-06-01
发表期刊ACTA OCEANOLOGICA SINICA
卷号34期号:6页码:12-20
文章类型Article
摘要Distribution and chemical speciation of dissolved inorganic arsenic were examined in Yellow Sea and East China Sea. Results demonstrated that: (1) both As(III) and As(V) were detected, with As(V) dominated at 40% stations of surface water and 51% stations of bottom water; (2) influenced by the exchange of fresh and sea water, the type of surface sediment and the transport of various water masses, large values in surface water were observed along the coastal region and in the same latitude of Changjiang River Estuary and Hangzhou Bay, and in bottom water found in the southern area where the Taiwan Warm Current and Kuroshio Current influenced; (3) As(III) behaved non-conservatively in Changjiang River Estuary. Man-derived inputs cause substantial positive deviation from the theoretical dilution. The negative correlation of As(V) to salinity in surface water suggested that it behaved conservatively during the transportation along Changjiang River Estuary. While, the occurrence of As(V) up to the linear fit in bottom water indicated the eventual transfer from dissolved phase to particulate phase, which was impossible to be determined without the knowledge of arsenic level and speciation in suspended particulate matter. Further study is needed on the arsenic source/sink relationships based on the distribution profiles.
关键词Dissolved Inorganic Arsenic Distribution Speciation Yellow Sea East China Sea
DOI10.1007/s13131-015-0682-z
收录类别SCI
语种英语
WOS记录号WOS:000355857500003
引用统计
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/33048
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.State Ocean Adm, Inst Oceanog 1, Key Lab Marine Sedimentol & Environm Geol, Qingdao 266061, Peoples R China
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Wu Bin,Song Jinming,Li Xuegang. Distribution and chemical speciation of dissolved inorganic arsenic in the Yellow Sea and East China Sea[J]. ACTA OCEANOLOGICA SINICA,2015,34(6):12-20.
APA Wu Bin,Song Jinming,&Li Xuegang.(2015).Distribution and chemical speciation of dissolved inorganic arsenic in the Yellow Sea and East China Sea.ACTA OCEANOLOGICA SINICA,34(6),12-20.
MLA Wu Bin,et al."Distribution and chemical speciation of dissolved inorganic arsenic in the Yellow Sea and East China Sea".ACTA OCEANOLOGICA SINICA 34.6(2015):12-20.
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