NDLI: GIS-Based Landslide Susceptibility Mapping for Land Use Planning and Risk Assessment

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GIS-Based Landslide Susceptibility Mapping for Land Use Planning and Risk Assessment

Content Provider	MDPI
Author	Roccati, Anna Paliaga, Guido Luino, Fabio Faccini, Francesco Turconi, Laura
Copyright Year	2021
Description	Landslide susceptibility mapping is essential for a suitable land use managing and risk assessment. In this work a GIS-based approach has been proposed to map landslide susceptibility in the Portofino promontory, a Mediterranean area that is periodically hit by intense rain events that induce often shallow landslides. Based on over 110 years landslides inventory and experts’ judgements, a semi-quantitative analytical hierarchy process (AHP) method has been applied to assess the role of nine landslide conditioning factors, which include both natural and anthropogenic elements. A separated subset of landslide data has been used to validate the map. Our findings reveal that areas where possible future landslides may occur are larger than those identified in the actual official map adopted in land use and risk management. The way the new map has been compiled seems more oriented towards the possible future landslide scenario, rather than weighting with higher importance the existing landslides as in the current model. The paper provides a useful decision support tool to implement risk mitigation strategies and to better apply land use planning. Allowing to modify factors in order to local features, the proposed methodology may be adopted in different conditions or geographical context featured by rainfall induced landslide risk.
Starting Page	162
e-ISSN	2073445X
DOI	10.3390/land10020162
Journal	Land
Issue Number	2
Volume Number	10
Language	English
Publisher	MDPI
Publisher Date	2021-02-05
Access Restriction	Open
Subject Keyword	Land Remote Sensing Shallow Landslides Analytic Hierarchy Process (ahp) Landslide Susceptibility Mapping Land Planning Risk Assessment Ligurian Coast Mediterranean Area
Content Type	Text
Resource Type	Article

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