可能的最大洪水：在英国使用ReFH2进行估算的可能性

IF 2.7 4区环境科学与生态学 Q2 Environmental Science

Hydrology Research Pub Date : 2023-03-06 DOI:10.2166/nh.2023.117

T. Haxton, G. Vesuviano, Samuel Pucknell, T. Kjeldsen

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引用次数: 0

摘要

英国目前的水库安全指南建议使用FSR/FEH降雨径流模型来估计最高风险类别（A）内水库的PMF（可能的最大洪水）峰值流量。然而，在英国，用于所有其他洪水风险目的的FSR/FEH模型已被ReFH2降雨-径流模型所取代。本研究通过转换当前FSR/FEH-PMF程序中的假设并将其应用于ReFH2降雨量-径流模型中，为使用ReFH2的PMF估计开发了一个新的建模框架。将该方法的峰值流量与400多个集水区的FSR/FEH模型的峰值流量进行比较。该研究强调了ReFH2作为所有重现期（包括PMF）的降雨径流模型的潜力，从而为使用ReFH2模型进行水库安全研究铺平了道路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Probable maximum flood: the potential for estimation in the UK using ReFH2

The current reservoir safety guidance within the UK recommends the use of the FSR/FEH rainfall-runoff model to estimate PMF (probable maximum flood) peak flows for reservoirs within the highest risk category (A). However, the FSR/FEH model has been superseded by the ReFH2 rainfall-runoff model for all other flood risk purposes in the UK. This study develops a new modelling framework for PMF estimation using ReFH2 by translating the assumptions made within the current FSR/FEH PMF procedure and applying these within the ReFH2 rainfall-runoff model. Peak flows from the methodology are compared with those from the FSR/FEH model for 400+ catchments. The study highlights the potential for ReFH2 to be used as the rainfall-runoff model for all return periods, up to and including the PMF, thereby paving the way for using the ReFH2 model for reservoir safety studies.

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来源期刊

Hydrology Research Environmental Science-Water Science and Technology

CiteScore

5.30

自引率

7.40%

发文量

审稿时长

17 weeks

期刊介绍： Hydrology Research provides international coverage on all aspects of hydrology in its widest sense, and welcomes the submission of papers from across the subject. While emphasis is placed on studies of the hydrological cycle, the Journal also covers the physics and chemistry of water. Hydrology Research is intended to be a link between basic hydrological research and the practical application of scientific results within the broad field of water management.