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Distribution and their pollution assessment of heavy metals in the sediments of the Yalu River Estuary and its adjacent coastal waters
Gao Jianhua1; Li Jun2; Wang, Harry, V3; Wang Yaping1; Wang Zhenyan4; Bai Fenglong2; Gao Shu1; Cheng Yan5
2009
发表期刊ACTA OCEANOLOGICA SINICA
ISSN0253-505X
卷号28期号:6页码:12-23
文章类型Article
摘要The present paper deals with the distribution patterns of heavy metals and the associated influencing factors in the Yalu River Estuary and its adjacent coastal waters. Based upon the analysis of the surficial and core sediments measurements, the pollution of heavy metal and potential ecological risk were evaluated. The burial flux and contents of heavy metals (except for copper) have been continuously increasing since the 1920s. Therefore, the gross potential ecological risk for the sediments was high or very high, and the study area was endangered by heavy metals contamination. Heavy metals originated mainly from upstream pollutant input, correlation analysis showed that chromium, nickel, zinc, cadmium, lead, arsenic, and mercury in the sediments of the middle and west channels as well as the sea area of the western Yalu River Estuary concentrations were most probably derived from similar sources. In contrast, the metal of copper most probably originated from sources different from the other metals. Preliminary studies indicate that copper contamination was most likely the result of emission from mining activities situated at the upstream of the river. The contents of heavy metals in the sediments of estuarine turbidity maximum zone of Yalu River were larger than those of any other areas in the middle channel. With large portion of fine sediments, weaker hydrodynamics, and richer sources of heavy metals, the sediments of the west channel, were even more enriched with heavy metals than those of the middle channel.; The present paper deals with the distribution patterns of heavy metals and the associated influencing factors in the Yalu River Estuary and its adjacent coastal waters. Based upon the analysis of the surficial and core sediments measurements, the pollution of heavy metal and potential ecological risk were evaluated. The burial flux and contents of heavy metals (except for copper) have been continuously increasing since the 1920s. Therefore, the gross potential ecological risk for the sediments was high or very high, and the study area was endangered by heavy metals contamination. Heavy metals originated mainly from upstream pollutant input, correlation analysis showed that chromium, nickel, zinc, cadmium, lead, arsenic, and mercury in the sediments of the middle and west channels as well as the sea area of the western Yalu River Estuary concentrations were most probably derived from similar sources. In contrast, the metal of copper most probably originated from sources different from the other metals. Preliminary studies indicate that copper contamination was most likely the result of emission from mining activities situated at the upstream of the river. The contents of heavy metals in the sediments of estuarine turbidity maximum zone of Yalu River were larger than those of any other areas in the middle channel. With large portion of fine sediments, weaker hydrodynamics, and richer sources of heavy metals, the sediments of the west channel, were even more enriched with heavy metals than those of the middle channel.
关键词Heavy Metals Sediment Pollution Distribution Accumulation Yalu River
学科领域Oceanography
收录类别SCI
语种英语
WOS记录号WOS:000276834700002
引用统计
被引频次:11[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/3666
专题海洋地质与环境重点实验室
作者单位1.Nanjing Univ, Key Lab Coast & Isl Dev, Minist Educ, Nanjing 210093, Peoples R China
2.Qingdao Inst Marine Geol, Qingdao 266071, Peoples R China
3.Virginia Inst Marine Sci, Gloucester Point, VA 23062 USA
4.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao 266003, Peoples R China
5.E Liaoning Univ, Sch Urban Construct, Dandong 118003, Peoples R China
推荐引用方式
GB/T 7714
Gao Jianhua,Li Jun,Wang, Harry, V,et al. Distribution and their pollution assessment of heavy metals in the sediments of the Yalu River Estuary and its adjacent coastal waters[J]. ACTA OCEANOLOGICA SINICA,2009,28(6):12-23.
APA Gao Jianhua.,Li Jun.,Wang, Harry, V.,Wang Yaping.,Wang Zhenyan.,...&Cheng Yan.(2009).Distribution and their pollution assessment of heavy metals in the sediments of the Yalu River Estuary and its adjacent coastal waters.ACTA OCEANOLOGICA SINICA,28(6),12-23.
MLA Gao Jianhua,et al."Distribution and their pollution assessment of heavy metals in the sediments of the Yalu River Estuary and its adjacent coastal waters".ACTA OCEANOLOGICA SINICA 28.6(2009):12-23.
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