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首页> 外文会议>Congress of Asia and Pacific Division of International Association of Hydraulic Engineering and Research >CONSTRAINED SCALING APPROACH FOR DESIGN RAINFALL ESTIMATION
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CONSTRAINED SCALING APPROACH FOR DESIGN RAINFALL ESTIMATION

机译：设计降雨估计的约束扩大方法

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摘要

Applications of scale-invariant ideas have been one of the most exciting areas of research in hydrology. The past studies showed positive evidences regarding the scale-invariant behavior in hydrological processes. In this paper, the scale-invariant approach found its way in frequency analysis for design rainfall depth estimation. In practice, intersections among design rainfalls for different durations under a same return period often occurs, which may provide wrong information in engineering planning and design. Furthermore, frequency analysis is currently regarded as inappropriate due to its lack of physical principles. In this paper, the scale-invariant approach is proposed, coupled with a constrained regression analysis, to make corrections on the possible intersections. The aim of this paper is to investigate the feasibility of applying such approach to deal with the intersection problem. A Hong Kong case study is used to demonstrate the application. The results are interpreted as more reasonable than those based on frequency analysis and are capable of providing substantial support for engineering planning, design, and management purpose when only a small sample of data are available.
机译：规模不变思想的应用是水文中最激动人心的研究领域之一。过去的研究表明，关于水文过程中不变行为的积极证据。在本文中，规模不变的方法在设计降雨深度估计中发现了频率分析的方式。在实践中，在相同的回归期间的不同持续时间的设计降雨之间的交叉口通常会发生，这可能在工程规划和设计中提供错误的信息。此外，目前认为频率分析是由于缺乏物理原则的频率分析。在本文中，提出了级别不变的方法，耦合约束回归分析，以对可能的交叉点进行校正。本文的目的是调查应用这种方法处理交叉路口问题的可行性。香港案例研究用于展示申请。结果被解释为比基于频率分析的那些更合理，并且能够为工程规划，设计和管理目的提供大量支持，只有只有小型数据样本都可提供。

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