The Effects of Estuary Dredging on Removing Nitrogen and Phosphorus in Dianchi Lake, China

Ju Hong Zhan; Sha Deng; Zhao Xin Li; Yu Luo; Ting Ting Zhao; Hua Ying Liu; Xiao Li; Xue Jun Pan

doi:10.4028/www.scientific.net/AMR.518-523.2895

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 518-523The Effects of Estuary Dredging on Removing...

The Effects of Estuary Dredging on Removing Nitrogen and Phosphorus in Dianchi Lake, China

Abstract:

Sediment dredging is currently the most commonly selected option for getting rid of contaminated sediments. In this study, the effects of estuary dredging on removing nitrogen and phosphorus were investigated by comparing the different vertical nutrient content between the dredged and un-dredged areas in Dianchi Lake. The results showed that the contents of total nitrogen and total phosphorus in the un-dredged areas were relatively higher than that in dredged areas. Besides, the contents of bio-available nitrogen and phosphorus represented the similar results, only a few dredged spots showed a higher potential releasing capacity. Therefore, with the reduction of internal nutrient loading, it indicated that sediment dredging might be an effective and reliable way to improve such eutrophic lakes.

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Periodical:

Advanced Materials Research (Volumes 518-523)

Pages:

2895-2899

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.518-523.2895

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Online since:

May 2012

Authors:

Ju Hong Zhan, Sha Deng, Zhao Xin Li, Yu Luo, Ting Ting Zhao, Hua Ying Liu, Xiao Li, Xue Jun Pan

Keywords:

Bioavailability, Dianchi Lake, Dredging, Nitrogen, Phosphorus

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