基于水动力-水质同步原型观测的城市生态补水方案研究

Research on urban ecological water replenishment scheme based on hydrodynamic-water quality synchronous prototype observation

本文依据无锡市运东城市防洪大包围外围水势年季变化特点,在充分掌握内部河网水系格局和水利工程布局的基础上,构建了一维水动力精细化河网数学模型,并完成多组次模型的率定验证。结合引水量、水质的可行性论证,制定本区域生态补水方案,开展了长系列水动力-水质同步原型观测试验效果论证,结果表明推荐的方案使得大包围内河道水质明显改善。

Based on a full understanding of annual and seasonal variations of the water potential,the internal river network pattern and water conservancy project layout surrounding the Wuxi Yundong large encirclement, a one-dimensional hydrodynamic model of refined river network was established , which multiply calibrated and verified. Combined with the feasibility demonstration of the water quantity and quality of the diversion water source, the scheme of the living water flow in this region was developed, and the effects of long series hydrodynamic and water quality synchronous prototype observation tests were demonstrated. Results showed that water quality was significantly improved surrounding the Wuxi Yundong large encirclement.