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Debris flow warning threshold based on antecedent rainfall: A case study in Jiangjia Ravine, Yunnan, China
Guo Xiao-jun1,2,3,4; Cui Peng1,2,3; Li Yong1,2,3
Corresponding AuthorCui Peng
2013
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume10Issue:2Pages:305-314
SubtypeArticle
AbstractDebris flows in Jiangjia Ravine in Yunnan province, China are not only triggered by intense storms but also by short-duration and low-intensity rainfalls. This reflects the significance of antecedent rainfall. This paper tries to find the debris flow-triggering threshold by considering antecedent rainfall through a case study in Jiangjia Ravine. From 23 debris flow events, the I-D (Intensity-Duration) threshold was found, which is very close to the line of 95th percentile regression line of rainfall events, representing that 95% of rainfalls can potentially induce debris flows and reflects the limitation of I-D threshold application in this area. Taking into account the effect of antecedent rainfall, the debris flow-triggering threshold for rainfall quantity and intensity is statistically and empirically derived. The relationships can be used in debris flow warning system as key thresholds. Coupling with the rainfall characteristics in this area, new thresholds are proposed as triggering and warning thresholds.
KeywordI-d Threshold Debris Flow Warning System Antecedent Rainfall Jiangjia Ravine
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.1007/s11629-013-2521-z
WOS Subject ExtendedEnvironmental Sciences & Ecology
Indexed BySCI
WOS KeywordSHALLOW LANDSLIDES ; DURATION CONTROL ; RIVER-BASIN ; INTENSITY ; MODEL ; FLOODS
Language英语
Quartile4区
TOP
WOS SubjectEnvironmental Sciences
WOS IDWOS:000317352800013
Funding OrganizationChinese Academy of Sciences(KZZD-EW-05-01) ; National Key Technologies R&D Program of China(2012BAK10B04)
Citation statistics
Cited Times:33[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/8328
Collection山地灾害与地表过程重点实验室
Affiliation1.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
3.Asian Network Debris Flow, Chengdu 610041, Peoples R China
4.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Guo Xiao-jun,Cui Peng,Li Yong. Debris flow warning threshold based on antecedent rainfall: A case study in Jiangjia Ravine, Yunnan, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2013,10(2):305-314.
APA Guo Xiao-jun,Cui Peng,&Li Yong.(2013).Debris flow warning threshold based on antecedent rainfall: A case study in Jiangjia Ravine, Yunnan, China.JOURNAL OF MOUNTAIN SCIENCE,10(2),305-314.
MLA Guo Xiao-jun,et al."Debris flow warning threshold based on antecedent rainfall: A case study in Jiangjia Ravine, Yunnan, China".JOURNAL OF MOUNTAIN SCIENCE 10.2(2013):305-314.
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