Dissolved trace elements in a nitrogen-polluted river near to the Liaodong Bay in Northeast China

被引：12
|
作者：
Bu, Hongmei [1 ]
Song, Xianfang [1 ]
Guo, Fen [2 ]
机构：
[1] Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
[2] Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China
来源：
MARINE POLLUTION BULLETIN | 2017年 / 114卷 / 01期
关键词：
Nitrogen-polluted river; Dissolved trace element; Spatio-temporal variation; Behavior; Source identification; Flux; METAL CONCENTRATIONS; SOURCE IDENTIFICATION; SEASONAL VARIABILITY; SOUTHWESTERN INDIA; TROPICAL RIVER; HEAVY-METALS; ESTUARY; BASIN; QUALITY; TURKEY;
D O I：
10.1016/j.marpolbul.2016.09.003
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Dissolved trace element concentrations (Ba, Fe, Mn, Si, Sr, and Zn) were investigated in the Haicheng River near to the Liaodong Bay in Northeast China during 2010. Dissolved Ba, Fe, Mn, and Sr showed significant spatial variation, whereas dissolved Fe, Mn, and Zn displayed seasonal variations. Conditions such as water temperature, pH, and dissolved oxygen were found to have an important impact on redox reactions involving dissolved Ba, Fe, and Zn. Dissolved Fe and Mn concentrations were regulated by adsorption or desorption of Fe/Mn oxyhydroxides and the effects of organic carbon complexation on dissolved Ba and Sr were found to be significant. The sources of dissolved trace elements were found to be mainly from domestic sewage, industrial waste, agricultural surface runoff, and natural origin, with estimated seasonal and annual river fluxes established as important inputs of dissolved trace elements from the Haicheng River into the Liaodong Bay or Bohai Sea. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：547 / 554
页数：8
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