NDLI: Regression analyses for the minimum intensity-duration conditions of continuous rainfall for mudflows triggering in Yan’an, northern Shaanxi (China)

Content Provider	Springer Nature Link
Author	Chen, HaiXia Wang, JiaDing
Copyright Year	2014
Abstract	An empirical minimum intensity-duration (I-D) condition of continuous rainfall for mudflows triggering is proposed for Yan’an, northern Shaanxi, China, where rainfall-induced mudflows occur frequently. Adopting the quantile-regression method, a program was built using R programming language and statistical computing environment, and 175 continuous rainfall records were analyzed objectively. The 35th percentile regression line was determined as the minimum I-D condition of continuous rainfall that can potentially trigger mudflows within the duration interval of 24–336 h, where I is measured in millimeters per hour and D in hours. Comparison of the minimum I-D condition of continuous rainfall determined by this study with those rainfall I-D thresholds developed for the world and other regions reveals that lower rainfall intensity has the potential to trigger mudflows in the Yan’an district, which proves the necessity of defining regional minimum rainfall I-D conditions and site-specific operational rainfall I-D thresholds for mudflows triggering in Yan’an.
Starting Page	917
Ending Page	928
Page Count	12
File Format	PDF
ISSN	14359529
Journal	Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur
Volume Number	73
Issue Number	4
e-ISSN	14359537
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-01-17
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Intensity-duration condition Continuous rainfall Mudflows Quantile-regression Yan’an Geotechnical Engineering & Applied Earth Sciences Geoengineering, Foundations, Hydraulics Geoecology/Natural Processes Nature Conservation
Content Type	Text
Resource Type	Article
Subject	Geology Geotechnical Engineering and Engineering Geology

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