A systematic review of landslide probability mapping using logistic regression

被引:226
作者
Budimir, M. E. A. [1 ]
Atkinson, P. M. [1 ]
Lewis, H. G. [2 ]
机构
[1] Univ Southampton, Fac Social & Human Sci, Southampton SO17 1BJ, Hants, England
[2] Univ Southampton, Fac Engn & Environm, Southampton SO17 1BJ, Hants, England
关键词
Landslides; Logistic regression; Covariates; Systematic literature review search; EARTHQUAKE-INDUCED LANDSLIDES; SUSCEPTIBILITY ANALYSIS; STATISTICAL APPROACH; HAZARD ASSESSMENT; RISK-ASSESSMENT; LISBON REGION; GIS; RAINFALL; SHALLOW; NORTH;
D O I
10.1007/s10346-014-0550-5
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
Logistic regression studies which assess landslide susceptibility are widely available in the literature. However, a global review of these studies to synthesise and compare the results does not exist. There are currently no guidelines for the selection of covariates to be used in logistic regression analysis, and as such, the covariates selected vary widely between studies. An inventory of significant covariates associated with landsliding produced from the full set of such studies globally would be a useful aid to the selection of covariates in future logistic regression studies. Thus, studies using logistic regression for landslide susceptibility estimation published in the literature were collated, and a database was created of the significant factors affecting the generation of landslides. The database records the paper the data were taken from, the year of publication, the approximate longitude and latitude of the study area, the trigger method (where appropriate) and the most dominant type of landslides occurring in the study area. The significant and non-significant (at the 95 % confidence level) covariates were recorded, as well as their coefficient, statistical significance and unit of measurement. The most common statistically significant covariate used in landslide logistic regression was slope, followed by aspect. The significant covariates related to landsliding varied for earthquake-induced landslides compared to rainfall-induced landslides, and between landslide type. More importantly, the full range of covariates used was identified along with their frequencies of inclusion. The analysis showed that there needs to be more clarity and consistency in the methodology for selecting covariates for logistic regression analysis and in the metrics included when presenting the results. Several recommendations for future studies were given.
引用
收藏
页码:419 / 436
页数:18
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