The formation of groups for regional flood frequency analysis
نویسندگان
چکیده
منابع مشابه
The formation of groups for regional flood frequency analysis
A new technique is developed for identifying groups for regional flood frequency analysis. The technique uses a clustering algorithm as a starting point for partitioning the collection of catchments. The groups formed using the clustering algorithm are subsequently revised to improve the regional characteristics based on three requirements that are defined for effective groups. The result is ov...
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Flood Frequency Analysis is usually based on the fitting of an extreme value distribution to the series of local streamflow. However, when the local data series is short, frequency analysis results become unreliable. Regional frequency analysis is a convenient way to reduce the estimation uncertainty. In this work, we propose a regional Bayesian model for short record length sites. This model i...
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متن کاملThe use of flood regime information in regional flood frequency analysis
Understanding the hydro-climatological controls on floods is fundamental for estimating flood frequency. The river flood regime is a reflection of a complex catchment hydrological response to flood producing processes. Hence, the catchment similarity in a flood regime is a feasible basis for identifying flood frequency pooling groups used in regional estimation of design events. This study desc...
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ژورنال
عنوان ژورنال: Hydrological Sciences Journal
سال: 2000
ISSN: 0262-6667,2150-3435
DOI: 10.1080/02626660009492308