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contributor authorBree Bennett
contributor authorMartin Lambert
contributor authorMark Thyer
contributor authorBryson C. Bates
contributor authorMichael Leonard
date accessioned2017-05-08T22:33:03Z
date available2017-05-08T22:33:03Z
date copyrightMarch 2016
date issued2016
identifier other49268519.pdf
identifier urihttp://yetl.yabesh.ir/yetl/handle/yetl/82447
description abstractDetermining the impact of catchment flooding requires an estimate of extreme spatial rainfall intensity. Current flood design practice typically converts a point estimate of rainfall intensity into a spatial rainfall intensity using an areal reduction factor, assumed constant across an entire region. Areal reduction factors do not explicitly consider regional variations in extreme rainfall. Here, a new approach for spatial estimates of extreme rainfall is introduced that directly incorporates the spatial area (A) into an intensity-frequency-duration relationship (IFD). This IFDA approach uses spatial rainfall fields to overcome shortcomings of the areal reduction factor by explicitly incorporating spatial variations in the extreme rainfall intensity. The IFDA approach is evaluated for 11 case study regions in Australia, across climates (tropical to Mediterranean), areas (
publisherAmerican Society of Civil Engineers
titleEstimating Extreme Spatial Rainfall Intensities
typeJournal Paper
journal volume21
journal issue3
journal titleJournal of Hydrologic Engineering
identifier doi10.1061/(ASCE)HE.1943-5584.0001316
treeJournal of Hydrologic Engineering:;2016:;Volume ( 021 ):;issue: 003
contenttypeFulltext


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