滇中引水工程对洱海水环境影响  

The impact of the Dian Zhong Water Diversion Project on water quality in Erhai Lake

作　　者：冯健[1] 周怀东[1] 彭文启[1] 杜霞[1] 

机构地区：[1]中国水利水电科学研究院水环境研究所,北京100038

出　　处：《中国水利水电科学研究院学报》2012年第4期241-246,共6页Journal of China Institute of Water Resources and Hydropower Research

基　　金：中国水利水电科学研究院科研专项"水功能区限制纳污红线制度建设对策与措施";国家水体污染控制与治理科技重大专项(2009ZX07105-001)

摘　　要：根据滇中引水工程规划设计方案,在考虑规划水平年实施的水污染综合治理措施的基础上,采用洱海水环境数学模型,预测分析流域污染负荷削减情况下,滇中引水工程"利用洱海"与"不利用洱海"等不同方案对洱海水质的影响。分析后发现,"利用洱海"方案比"不利用洱海"方案TN、TP平均浓度有所提高,其中对TP浓度影响较大,TP浓度从Ⅱ类下降为Ⅲ类。考虑洱海水环境的保护,建议滇中引水工程采用"不利用洱海"方案。The central region of Yunnan Province is the most important one. With the rapid social and eco- nomic development, the demand for water resources will rise and the conflict between supply and demand will get more and more serious. Water resource shortage will affect economic development. In this paper, a two dimensional hydrodynamic and water quality model was developed to forecast the water quality change and effect of Erhai Lake based on different alternatives of Dian Zhong Water Diversion Projeet and dispos- al of pollutation. The result of model shows that TN and TP concentration of ＂utilizing Erhai＂ scheme is higher than ＂Not utilizing Erhai＂ scheme. The change of TP between two schemes is bigger. TP concentra- tion degrades from Grade II to Grade m. In respect to protecting Erhai water quality, ＂Not utilizing Er- hai＂ scheme is recommended.

关 键 词：滇中引水工程 二维非恒定模型 洱海 水质预测 

分 类 号：X820.3[环境科学与工程—环境工程]