【摘要】 本文分析了三峡库区的污染状况,提出了三峡水库环境容量的计算原则、设计水文条件和水质保护目标。利用建立的三峡水库一维水流水质数学模型、库区排污口混合区平面二维和水平分层的三维紊流模型,计算了三峡水库建库前后CODMn和NH3 N总体环境和岸边环境容量及其沿江分配。根据岸边环境容量计算结果,提出了三峡水库污染混合区的控制标准。同时,推荐了三峡水库水环境容量的综合方案。更多还原

【Abstract】 The pollution situation of the reservoir in Three Gorges Project is analyzed and the design philosophy,design hydrologic condition and the target of water quality protection for the calculation of water environmental capacity of the reservoir are proposed.The 1-D flow-water quality model,2-D depth-averaged k-ε model and 3-D multi-layer turbulent model are applied to calculate the macro environmental capacity and bank′s environmental capacity of COD-(Mn) and NH-3-N as well as its assignments along the reservoir before and after the completion of the Project.On the basis of comparison among several design schemes for the bank′s environmental capacity,the acceptable criteria for the pollution mixing zone and the comprehensive scheme of water environmental capacity for the reservoir are recommended.更多还原