IMECH-IR  > 水动力学与海洋工程重点实验室(2009-2011)
Characteristic rainfall for warning of debris flows
Hu KH; Cui P; Wang CC; Li Y; Lu XB
Source PublicationJournal of Mountain Science
AbstractA characteristic rainfall is introduced to overcome the difficulties encountered in determining a critical rainfall value for triggering debris flow. The characteristic value is defined as the rainfall at which debris-flow occurrence probability shows a rapid increase, and can be used as a warning rainfall threshold for debris flows. Investigation of recorded debris flows and 24-hour rainfall data at Jiangjia basin, Yunnan Province, in southwestern China, demonstrates the existence of such a characteristic rainfall. It was found that the characteristic rainfall corresponds to the daily rainfall of 90% cumulative probability by analyzing the basin's daily rainfall histogram. The result provides a simple and useful method for estimating a debris-flow warning rainfall threshold from the daily rainfall distribution. It was applied to estimate the debris-flow warning rainfall threshold for the Subaohe basin, a watershed in the 2008 Wenchuan earthquake zone with many physical characteristics similar to those of the Jiangjia basin.
Indexed BySCI
WOS IDWOS:000280555900001
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
Funding OrganizationNational Program on Key Basic Research Project (973 Program) [2008CB425802] ; Chinese Academy of Sciences [KZCX2-YW-302] ; National Natural Science Foundation of China [40701014]
Citation statistics
Cited Times:16[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorLu XB
Recommended Citation
GB/T 7714
Hu KH,Cui P,Wang CC,et al. Characteristic rainfall for warning of debris flows[J]. Journal of Mountain Science,2010,7(3):207-214.
APA Hu KH,Cui P,Wang CC,Li Y,&Lu XB.(2010).Characteristic rainfall for warning of debris flows.Journal of Mountain Science,7(3),207-214.
MLA Hu KH,et al."Characteristic rainfall for warning of debris flows".Journal of Mountain Science 7.3(2010):207-214.
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