乌梁素海冰封期水体富营养化特征分析.pdf

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安徽农业科学 Journal of Anhui Agri. Sci. 2012 40 29 14456 - 14458 14575 责任编辑宋平责任校对李岩
乌梁素海冰封期水体富营养化特征分析
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吕超,李卫平,于玲红内蒙古科技大学能源与环境工程学院内蒙古包头 014010
摘要以内蒙古乌梁素海为研究对象,对其在冰封过程中富营养化指标在冰体和水体中的浓度及分布特征及其在乌梁素海的空间变异
性进行分析,得出冰封期乌梁素海富营养化状况。其中,乌梁素海水体中的富营养化指标含量均大于对应的冰体中的含量,主要指标
COD、总氮、总磷在水体中的含量均值分别是冰体中含量均值的 1. 65、1. 61 和 1. 78 倍; 水体中的营养盐变异性明显小于冰体中的。说明
低温冷冻过程对水体中污染物有一定浓缩效应,并对此进行了解释,以期为乌梁素海富营养化治理提出研究方向。
关键词乌梁素海; 冰封期; 富营养化; 特征分析
中图分类号 S273. 3 文献标识码 A 文章编号 0517 - 6611( 2012) 29 - 14456 - 03
Analysis on the Eutrophication Features of Wuliangsu Lake during Icebound Period
LV Chao et al ( School of Energy and Environment,Inner Mongolia University of Science and Technology,Baotou,Inner Mongolia 014010)
Abstract With Wuliangsu Lake as a research object,the concentration of eutrophication indexes in the ice and water and their spatial variability
in Wuliangsu Lake were analyzed,which concluded that Wuliangsu Lake was eutrophic during the icebound period. The eutrophic index in water
was larger than that in ice. The contents of COD,TN and TP in water were 1. 65,1. 61 and 1. 78 times that in ice. The residual nutrient variability
in water was smaller than that in ice,indicating that the cryopreservation process had certain concentration effect on pollutants in water. The study
proposed a research direction for the eutrophication treatment of Wuliangsu Lake.
Key words Wul