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《Environmental Science & Technology》 2013-02
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A Simulative Study on Nitrogen Release from Sediment of Miao Lake in Wuhan

SHA Qian 1,SUN Yan 2,ZHANG Wei-hao 2*, HE Jun 1,HUANG Jing 1,ZHOU Fan-qi 2(1.Wuhan Research Institute of Environmental Protection,Wuhan 430015,China; 2.School of Resource and Environment,Wuhan University,Wuhan 430079,China)  
This paper elaborates on a simulative study based on a survey in Miao Lake in Wuhan including sampling of lake sediment and water,and an experiment with a unit containing the sediment and overlying lake water.By orthogonal test method the experiment was conducted on how changes of the environmental factors affect nitrogen release of sediment,the factors including temperature,pH and dissolved oxygen.In addition,N-releasing formula was deduced from the regression analysis,which could be used to estimate nitrogen releasing rate under the condition of temperature,pH and DO,and thus offering a reference for controlling the Lake's endogenous pollution.
【Fund】: 武汉市科技局:城市湖泊底泥污染物释放对水体修复的影响研究及示范;; 武汉大学长江中游地区水环境研究与数据共享平台
【CateGory Index】: X131.2
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