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- W2384998338 abstract "[Objective]To study the pollution status of heavy metals in urban lake sediment. [Method]With Elephant Lake as study object,microwave digestion,flame atomic absorption spectrophotometry,BCR sequential extraction method and inductively coupled plasma-atomic emission spectrometry were used to determine the total and each species of heavy metal content. And the potential ecological risk was evaluated. [Result]The results showed that the content sequence of six kinds of heavy metals determined were Zn Pb Cu Cr As Cd. The pollution of Cd was the most serious. The concentrations of Cu,Zn,Cd followed the trend escalation from deep to shallow. Only the ratio of secondary phase to primary phase( RSP) Cr in site xh3 was bigger than the three,the contamination level was serious. All the other sites belong to mild contamination. The potential ecological risk levels of all sites were strong except xh2 which level was medium. There sequence were xh4 xh4 xh3 xh1 xh2. Cd was the main pollution source of Elephant Lake from individual potential ecological risk coefficient. [Conclusion]The study can provide theoretical basis for urban lakes eco-system degradation." @default.
- W2384998338 created "2016-06-24" @default.
- W2384998338 creator A5082102367 @default.
- W2384998338 date "2014-01-01" @default.
- W2384998338 modified "2023-09-26" @default.
- W2384998338 title "Analysis on Heavy Metal Pollution Characteristics and Ecological Risk of Elephant Lake Water Body Sediment" @default.
- W2384998338 hasPublicationYear "2014" @default.
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