Potential of extending the rainfall intensity-duration-frequency relationship to non-recording rain gauges

Pao Shan Yu, Chia Jung Chen

研究成果: Article同行評審

5 引文 斯高帕斯(Scopus)

摘要

Maximum rainfall intensity-duration-frequency (IDF) curves are commonly applied to determine the design rainfall in water resource projects. Normally, the IDF relationship is derived from recording rain gauges. As the network of non-recording rain gauges (daily rainfall) in Taiwan has a higher density than recording rain gauges, attempts were made in this study to extend the IDF relationship to non-recording rain gauges. Eighteen recording rain gauges and 99 non-recording rain gauges over the Chi-Nan area in Southern Taiwan provide the data sets. The regional IDF formulae were generated for ungauged areas to estimate rainfall intensity for various return periods and rainfall durations larger than or equal to one hour. For rainfall durations less than one hour, a set of adjustment formulae were applied to modify the regional IDF formulae. The method proposed in this study had reasonable application to non-recording rain gauges, which was concluded from the verification of four additional recording rain gauges.

原文English
頁(從 - 到)377-390
頁數14
期刊Hydrological Processes
11
發行號4
DOIs
出版狀態Published - 1997 三月 30

All Science Journal Classification (ASJC) codes

  • 水科學與技術

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