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Developing empirical relationships to predict loess slide travel distances: a case study on the Loess Plateau in China
Haijun Qiu1,2,3; Peng Cui4; Sheng Hu3; Amar Deep Regmi4; Xingang Wang5; Dongdong Yang3
2018
Source PublicationBULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT
ISSN1435-9529
EISSN1435-9537
Volume77Issue:4Pages:1299-1309
SubtypeArticle
Contribution Rank4
AbstractTo improve landslide hazard mapping quality, a functional relationship with travel distance prediction is essential. To obtain a more accurate empirical relationship for predicting loess slide travel distances, we developed a loess slide database for the central Loess Plateau using a combination of remote sensing image interpretations, existing datasets, and an intensive field survey. The loess slide travel distance was concentrated within less than 200m, according to a cumulative frequency analysis. Our results reveal that the loess slide volume, slope height, and slope inclination of the sliding area control the travel distance, and this relation is well-described by a power law function. Furthermore, statistical analysis suggested that the equivalent coefficient of friction decreases with an increase in loess slide volume but increases with an increase in slope inclination. We compared the prediction performances of four empirical relationships proposed in this study using the mean absolute percentage error and Theil inequality coefficient methods. We discovered that the empirical relationship with three independent variables can more accurately predict the loess slide travel distance than the relationships with one or two independent variables.
KeywordLandslides Empirical relationships Travel distance Comparison Loess
DOI10.1007/s10064-018-1328-0
Indexed BySCI
Language英语
WOS IDWOS:000448255600002
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/24218
Collection山地灾害与地表过程重点实验室
Corresponding AuthorHaijun Qiu
Affiliation1.Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, Northwest University, Xi’an 710127, China;
2.Institute of Earth Surface System and Hazards, Northwest University, Xi’an 710127, China;
3.College of Urban and Environmental Science, Northwest University, Xi’an 710127, China;
4.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, Sichuan, China;
5.State Key Laboratory of Continental Dynamics, Department of Geology, Northwest University, Xi’an 710069, China
Recommended Citation
GB/T 7714
Haijun Qiu,Peng Cui,Sheng Hu,et al. Developing empirical relationships to predict loess slide travel distances: a case study on the Loess Plateau in China[J]. BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,2018,77(4):1299-1309.
APA Haijun Qiu,Peng Cui,Sheng Hu,Amar Deep Regmi,Xingang Wang,&Dongdong Yang.(2018).Developing empirical relationships to predict loess slide travel distances: a case study on the Loess Plateau in China.BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT,77(4),1299-1309.
MLA Haijun Qiu,et al."Developing empirical relationships to predict loess slide travel distances: a case study on the Loess Plateau in China".BULLETIN OF ENGINEERING GEOLOGY AND THE ENVIRONMENT 77.4(2018):1299-1309.
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