Estimates of changes in design rainfall values for Canada

被引：36

作者：

Burn, Donald H. ^{[1
]}

Taleghani, Amir ^{[1
]}

机构：

[1] Univ Waterloo, Dept Civil & Environm Engn, Waterloo, ON N2L 3G1, Canada

来源：

HYDROLOGICAL PROCESSES | 2013年 / 27卷 / 11期

基金：

加拿大自然科学与工程研究理事会;

关键词：

intensity-duration-frequency curves; climate change; rainfall quantiles; MannKendall test; bootstrap resampling approach; Canada; PRECIPITATION; TRENDS; VARIABILITY; PROBABILITY; INTENSITY;

D O I：

10.1002/hyp.9238

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

Annual maximum rainfall data from 51 stations in Canada were analyzed for trends and changes by using the MannKendall trend test and a bootstrap resampling approach, respectively. Rainfall data were analyzed for nine durations ranging from 5min to 24h. The data analyzed are typically used in the development of intensity-duration-frequency (IDF) curves, which are used for estimating design rainfall values that form an input for the design of critical water infrastructure. The results reveal more increasing than decreasing trends and changes in the data with more increasing changes and larger changes, noted for the longer rainfall durations. The results also indicate that a traditional trend test may not be sufficient when the interest is in identifying changes in design rainfall quantiles. Copyright (c) 2012 John Wiley & Sons, Ltd.

引用

页码：1590 / 1599

页数：10

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