Comparison of GIS-based methodologies for the landslide susceptibility assessment

被引：32
|
作者：
Magliulo, Paolo [1 ]
Di Lisio, Antonio [1 ]
Russo, Filippo [1 ]
机构：
[1] Univ Sannio, Dipartimento Geol & Ambientali, I-82100 Benevento, Italy
来源：
GEOINFORMATICA | 2009年 / 13卷 / 03期
关键词：
Landslide susceptibility; GIS; Geomorphology; Southern Italy; ANALYTICAL HIERARCHY PROCESS; HAZARD; STATISTICS;
D O I：
10.1007/s10707-008-0063-2
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, two simple GIS-based methodologies have been used to assess the landslide susceptibility in a basin located in Southern Italy. The methodologies at issue, based on the spatial distribution of landslides and/or of causal factors, are bivariate statistics-based and expert-based, respectively. The spatial distribution of both the landslides and the causal factors has been investigated by integrating pre-existing and original data, which have been processed using ArcView GIS 3.2 software. The obtained results, consisting of landslide susceptibility maps have been compared and discussed. The bivariate statistics-based method has provided the most satisfying results. On the contrary, the expert-based method has provided a classification of the study area in terms of landslide susceptibility which does not completely fit with the surveyed spatial distribution of the landslides.
引用
收藏
页码：253 / 265
页数：13
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