长江流域资源与环境 >> 2011, Vol. 20 >> Issue (4): 459-.

• 生态环境 • 上一篇    下一篇

丹江口水质变化及影响因素分析

刘坤坤,李春晖,庞爱萍,沈楠,李中   

  1. (1.武汉大学水资源与水电工程科学国家重点实验室,湖北 武汉 430072;2.北京师范大学环境学院水沙科学教育部重点实验室,北京 100875
  • 出版日期:2011-04-20

WATER QUALITY VARIATION AND INFLUENCING FACTORS ANALYSIS IN DANJIANGKOU RESERVOIR

LIU Kunkun1,2, LI Chunhui1,2*, PANG Aiping2, SHEN Nan2| LI Zhong2   

  1. (1. State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University,Wuhan 430072, China|2. Key Laboratory of Water and Sediment Sciences,Ministry of Education,School of Environment, Beijing Normal University, Beijing 100875, China
  • Online:2011-04-20

摘要:

水库水质变化情况在湖库生态安全的调查与评价中占有重要的地位,同时也为生态安全监测与预警,生态安全保障,以及湖库综合治理方案的发展提供了基础和依据。将高锰酸钾指数,氨氮以及其它一些参数选作为主要的评价因子,并对丹江口水库近年来的水质变化进行分析。同时,对影响水库水质的因素,包括水库的水量,上游来水,农业非点源污染等,以及它们与丹江口水库水质变化的联系也做了探索和分析,并根据分析提出了改善丹江口水库水质的建议。总而言之,丹江口水库的水质近年来通过环境保护和污染控制等逐渐变好,同时也正在向更好的方向改善。丹江口水库水质变化主要与非点源污染相关,另外,水质监测系统需要进一步完善

Abstract:

Variation of  water quality in reservoir takes an important part in ecological security investigation and assessment of lakes and reservoirs, and also provides basis for ecological security monitoring and warning,ecological security assurance and development of the comprehensive treatment plan for lakes and reservoirs.Permanganate,ammonia nitrogen,and other parameters were chosen to be the main environmental factors,and the variation of water quality in Danjiangkou Reservoir was analyzed.The influencing factors including water quantity of the reservoir,input water from upstream and agricultural nonpoint source pollution as well as their relationship with the variation of water quality in Danjiangkou Reservoir were also explored.Besides,some suggestions were put forward about improving the water quality of the reservoir.In all,the water quality in Danjiangkou Reservoir has gradually become better and is changing in a positive trend through environmental protection and pollution control in recent years.The variation of water quality in Danjiangkou Reservoir is mainly related with nonpoint source pollution,and the monitoring system should be developed

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