暴雨极值是大型水利工程设计洪水重要依据之一。
Extreme rainfall storm values are most important for determining design floods of large water resource projects.
设计洪水计算方法主要是可能最大降雨和水文频率法。
The main methods for calculating designed flood are probable maximum precipitation and hydrologic frequency analysis.
采用分期设计洪水是实现洪水资源化的主要方式之一。
The recent research advance of seasonal design flood methods and the technical problems of present practice were discussed and assessed.
它把单站信息和地区信息有机地结合在一起去推求设计洪水。
It combines at site and regional information to infer probabilities of extreme hydrological events.
该水库修改后的设计洪水将比现有溢洪道泄洪能力提高40%。
Its revised design flood is 40 % higher than its existing spillway capacity.
本文尝试将随机模型用于估算分期设计洪水，提出了一种具体方法。
In this paper, an attempt is made to estimate seasonal floods for design based on a stochastic model.
由于人类活动的影响，设计洪水的地区组成越来越引起人们的重视。
As being influenced by the activities of human beings, the composition of region of design flood has been more and more taken notice of.
分期设计洪水既要满足防洪标准，又能反映洪水的季节性变化特征。
Seasonal design flood should not only satisfy the flood prevention standard but also reflect seasonal variation characteristics.
设计洪水地区组成是水利水电工程规划设计中的一个重要研究课题。
The design flood region composition is an important subject of hydroelectric project planning and design.
本文研究了一种依据剩余洪量特性推求水库设计洪水和防洪库容的方法。
The author studies a method of calculating design flood and flood control capacity of a reservior according to the characteristics of residual flood volume.
引入概率的极限状态设计概念，研究JC法推求梯级水库设计洪水的理论。
The probabilistic design conception on limit state was introduced, and the theory using the JC method to compute the cascade reservoir's design flood was studied.
在病险水库安全鉴定和除险加固设计中，设计洪水复核是首先要解决的问题。
In the safety appraisal and reinforcement design, the flood review is the first to solve.
人工神经网络时序模型开辟了随机模拟法在设计洪水计算中应用研究的新途径。
Artificial neural network series models break a new approach for stochastic modeling in computing design flood.
历史洪水是当地历史上曾经发生的，应用历史洪水调查可以提高设计洪水计算精度。
Historical flood is the flood that has occurred in the local area. Using historical flood investigation can improve the calculation accuracy of design flood.
在分析清江暴雨洪水特性的基础上，介绍了高坝洲水利枢纽设计洪水计算方法及其主要成果。
On the basis of analysing storm flood characteristics of Qinjiang River, the method and main results of design flood calculation for Gaobazhou Project are presented.
以河北国华定曲发电厂为例，深入研究了二维不稳定流洪水模型在平原电厂设计洪水中的应用。
The paper researches intensively the flood model of two dimensions not steadying flow being used on the design flood of power plant in plain taking Guohua Dingqu power plant of Hebei for example.
流域特征值是计算设计洪水的基本因子，正确地量算流域特征值是提高设计洪水精度的必要条件。
Drainage basin characteristics values are the basic factors to account design flood, so correctly computing their values are requirement for improving design flood precision.
尽管中国有悠久历史，但利用历史洪水展延洪水频率曲线以求稀遇设计洪水，仍感困难和不可靠。
Although there is a long history in China, it is very difficult and unreliable to extrapolate frequency curve to long recurrence design floods.
淤地坝系规划阶段水文计算的主要任务是计算设计暴雨量、设计洪水量和输沙量等重要特征参数。
In the stage of planning silt dam system, the main task of hydrological computation is to design rainstorm, design flood and sediment load and other important characteristic parameters.
历史洪水调查和邻近地区水文站设计洪水的地区综合对提高设计洪水的合理性和可靠性有重要作用。
The historical floods investigation and regional synthesizing of design floods at nearby hydrology stations are very important to increase the reliability and reasonability of the design floods.
结论认为：渭河流域设计洪水计算中，可既不考虑水库工程影响还原，也不考虑设计条件下工程的影响。
The conclusion is: in calculation of design flood in the Weihe River basin, neither reduction of reservoir project impact nor project impact under design conditions can be considered.
实例计算和统计试验的结果表明，FPOT取样方法不仅比较科学合理，而且还可提高设计洪水的计算精度。
The case study and statistical experiment showed that FPOT is not only rational but also can improve the accuracy of design flood calculations.
水库设计洪水就是在给定工程安全标准情况下某个典型洪水过程，设计洪水的频率特征表现的就是其水文风险。
Designed flood of reservoir is a typical flooding process under given engineering safety standard. The frequency of designed flood is regarded as hydrological risk.
应用广东推理公式法和单位线计算广州抽水蓄能电站水库坝址处设计洪水，并对两方法计算的结果进行分析比较。
The rational formula method and the unit hydrograph method are used and compared in the calculation of the design flood for the Guangzhou pumped storage station in this paper.
无资料地区设计洪水的区域频率分析包括选择相似流域组、估计指标洪水以及推求区域综合增长曲线和设计流域的洪水频率曲线。
Regional flood frequency analysis for un-gauged basins included selecting a pooling-group, estimating the index flood, deriving pooled growth curve and fitting flood frequency curve for tested basin.
区域频率分析能充分利用相似流域组的资料来扩充信息量，克服单站样本系列资料短缺的局限，解决无资料地区设计洪水的估算问题。
Regional flood frequency analysis is a useful approach method that avoids the shortness of at-site sample series and estimates design flood for un-gauged area.
区域频率分析能充分利用相似流域组的资料来扩充信息量，克服单站样本系列资料短缺的局限，解决无资料地区设计洪水的估算问题。
Regional flood frequency analysis is a useful approach method that avoids the shortness of at-site sample series and estimates design flood for un-gauged area.
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