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DOI10.1088/1748-9326/aa868e
Extreme multi-basin flooding linked with extra-tropical cyclones
De Luca, Paolo1; Hillier, John K.1; Wilby, Robert L.1; Quinn, Nevil W.2; Harrigan, Shaun3
2017-11-01
发表期刊ENVIRONMENTAL RESEARCH LETTERS
ISSN1748-9326
出版年2017
卷号12期号:11
文章类型Article
语种英语
国家England
英文摘要

Fluvial floods are typically investigated as 'events' at the single basin-scale, hence flood management authorities may underestimate the threat of flooding across multiple basins driven by large-scale and nearly concurrent atmospheric event(s). We pilot a national-scale statistical analysis of the spatio-temporal characteristics of extreme multi-basin flooding (MBF) episodes, using peak river flow data for 260 basins in Great Britain (1975-2014), a sentinel region for storms impacting northwest and central Europe. During the most widespread MBF episode, 108 basins (similar to 46% of the study area) recorded annual maximum (AMAX) discharge within a 16 day window. Such episodes are associated with persistent cyclonic and westerly atmospheric circulations, atmospheric rivers, and precipitation falling onto previously saturated ground, leading to hydrological response times < 40 h and documented flood impacts. Furthermore, peak flows tend to occur after 0-13 days of very severe gales causing combined and spatially-distributed, yet differentially time-lagged, wind and flood damages. These findings have implications for emergency responders, insurers and contingency planners worldwide.


英文关键词multi-basin flooding extra-tropical cyclones Great Britain emergency management interactions natural hazards
领域气候变化
收录类别SCI-E
WOS记录号WOS:000414260800003
WOS关键词CIRCULATION WEATHER TYPES ; STORMY WINTER ; UNITED-STATES ; RISK ; RIVER ; CLIMATE ; UK ; PRECIPITATION ; FREQUENCY ; ENGLAND
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/34320
专题气候变化
作者单位1.Loughborough Univ Technol, Dept Geog, Loughborough, Leics, England;
2.Univ West England, Dept Geog & EnvironmentalManagement, Bristol, Avon, England;
3.Ctr Ecol & Hydrol, Wallingford, Oxon, England
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GB/T 7714
De Luca, Paolo,Hillier, John K.,Wilby, Robert L.,et al. Extreme multi-basin flooding linked with extra-tropical cyclones[J]. ENVIRONMENTAL RESEARCH LETTERS,2017,12(11).
APA De Luca, Paolo,Hillier, John K.,Wilby, Robert L.,Quinn, Nevil W.,&Harrigan, Shaun.(2017).Extreme multi-basin flooding linked with extra-tropical cyclones.ENVIRONMENTAL RESEARCH LETTERS,12(11).
MLA De Luca, Paolo,et al."Extreme multi-basin flooding linked with extra-tropical cyclones".ENVIRONMENTAL RESEARCH LETTERS 12.11(2017).
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