根据区域降雨数据集为城市排水研究设计暴雨参数：西班牙地中海地区案例研究

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

Hydrology Research Pub Date : 2024-07-03 DOI:10.2166/nh.2024.056

Rosario Balbastre-Soldevila, Ignacio Andrés-Doménech, R. García-Bartual

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引用次数: 0

摘要

如今已有大量关于区域降雨特征的信息，可用于水文应用。本文的灵感来源于有关最大日降雨量和强度-持续时间-频率曲线的区域研究，这些研究可与城市水文研究中的设计暴雨概念相结合。这是通过描述降雨时间变化的便捷指数来实现的。更确切地说，本文提出了一种将双参数伽马设计暴雨（G2P）的两个参数（i0、φ）区域化的方法。本文提出了一种分三步获得特定地点两个参数（i0、φ）的方法。案例研究的结果表明，该方法与以往有关最大降雨量统计的研究结果一致。

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Design storm parameterisation for urban drainage studies derived from regional rainfall datasets: A case study in the Spanish Mediterranean region

A significant amount of information on regional rainfall characteristics is available nowadays, allowing its use in hydrological applications. This article is motivated by the availability of regional studies regarding maximum daily rainfall and intensity–duration–frequency curves that can be coupled with the design storm concept for urban hydrology studies. This is accomplished through a convenient index describing temporal variability of rainfall. More precisely, a methodology for regionalising the two parameters (i0, φ) of the two-parameter gamma design storm (G2P) is developed herein. A three-step methodology is proposed for obtaining the two parameters (i0, φ) for a given location. The results obtained in a case study show coherence with previous studies concerning maximum rainfall statistics.

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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.