DOI: 10.2166/wcc.2013.138
论文题名: Secular variation in rainfall and intensity-frequency duration curves in Eastern Australia
作者: Chen Y.-R. ; Yu B. ; Jenkins G.
刊名: Journal of Water and Climate Change
ISSN: 20402244
出版年: 2013
卷: 4, 期: 3 起始页码: 244
结束页码: 251
语种: 英语
英文关键词: Eastern Australia
; Extreme rainfall
; Intensity frequency duration
; Rainfall variation
英文摘要: Rainfall intensity-frequency-duration curves are used extensively for storm runoff estimation. It is generally assumed that rainfall intensity would increase with global warming irrespective of the underlying changes to rainfall. This study analyzed rainfall and temperature from six sites in Eastern Australia. Two non-overlapping 30-year periods with the greatest difference in the mean annual rainfall were selected at each of the six sites to test for significant changes in the mean annual temperature and rainfall. Changes in the mean rainfall intensity for different frequencies of occurrence and storm durations for each site were also analyzed. Temperature has increased at all sites, and significantly at five out of the six sites. The mean annual rainfall has significantly changed between the two non-overlapping periods at the sites with the exception of Cairns (latitude 16.87° south). The changes in rainfall intensity for longer durations (≥1 h) positively correlate with changes in the mean annual rainfall. There is evidence to suggest that the 6 min rainfall intensity would increase irrespective of the changes in the mean annual rainfall. © IWA Publishing 2013. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/67745
Appears in Collections: 气候减缓与适应
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作者单位: School of Engineering, Griffith University, Gold Coast, QLD 4222, Australia
Recommended Citation:
Chen Y.-R.,Yu B.,Jenkins G.. Secular variation in rainfall and intensity-frequency duration curves in Eastern Australia[J]. Journal of Water and Climate Change,2013-01-01,4(3)