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首页> 外文期刊>Hydrology research >Setting design inflows to hydrodynamic flood models using a dependence model
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Setting design inflows to hydrodynamic flood models using a dependence model

机译：使用依赖模型将设计流入设置为水动力洪水模型

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in setting design inflows to hydrodynamic models of flood flow along rivers, there can be a conflict between site-specific hydrological estimates of flow for a given return period and what the river model calculates as it routes flood hydrographs. This paper describes research carried out as part of the Flood Studies update programme in Ireland, aimed at developing guidance on how to divide up river models and set the magnitude and timing of their inflows so that conditions in the model reach correspond to the expected design flood return period. A model for the joint distribution of flood peaks at pairs of catchments has been developed. The relationship between flood return periods is linked to physical differences between catchments. The model thus allows estimation of the statistical distribution of the flood return period expected at one site during a flood of specified return period elsewhere. A separate regression model predicts the relative timings of flood peaks on pairs of rivers. A summary of the resulting practitioner guidance is given, along with an overview of the testing of the method. The paper concludes with a discussion of the potential for application of the spatial dependence model to other problems in hydrology.
机译：在将设计入流设置为沿河洪水流的水动力模型时，在给定返回期的特定地点的水文流量估算与河模型在计算洪水水位时所计算的值之间可能会发生冲突。本文介绍了作为爱尔兰洪水研究更新计划一部分而进行的研究，旨在制定有关如何划分河流模型，设置河流入流量的大小和时间的指南，以使模型达到的条件与预期的设计洪水相符。退货期。已经建立了在成对的流域联合洪峰的模型。洪水恢复期之间的关系与流域之间的物理差异有关。因此，该模型可以估算在其他地点的特定回水期洪水期间，某个地点的洪水回水期的统计分布。一个单独的回归模型可以预测成对的河流上洪峰的相对时间。给出了所得到的从业人员指南的摘要以及该方法的测试概述。本文最后讨论了将空间依赖模型应用于水文学中其他问题的可能性。

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