Preprints
https://doi.org/10.5194/gmd-2021-343
https://doi.org/10.5194/gmd-2021-343

Submitted as: model description paper 10 Nov 2021

Submitted as: model description paper | 10 Nov 2021

Review status: this preprint is currently under review for the journal GMD.

LAND-SUITE V1.0: a suite of tools for statistically-based landslide susceptibility zonation

Mauro Rossi1, Txomin Bornaetxea2, and Paola Reichenbach1 Mauro Rossi et al.
  • 1Istituto di Ricerca per la Protezione Idrogeologica, Consiglio Nazionale delle Ricerche (CNR IRPI), Perugia, 06128, Italia
  • 2Departamento de Geologia, Universidad del País Vasco/Euskal Herriko Unibertsitatea (UPV/EHU), Leioa, 48940, Spain

Abstract. In the past 50 years, a large variety of statistically-based models and methods for landslide susceptibility mapping and zonation have been proposed in the literature. The methods, applicable to a large range of spatial scales, use a large variety of input thematic data, different model combinations and several approaches to evaluate the models performance. Despite the numerous applications available in the literature, a standard approach for susceptibility modelling and zonation is still missing. The literature search revealed that several articles describe tools that apply physically based models for susceptibility zonation, but only few use statistically-based approaches. Among them, LAND-SE (LANDslide Susceptibility Evaluation) provides the possibility to perform and combine different statistical susceptibility models, and to evaluate their performances and associated uncertainties. This paper describes the structure and the functionalities of LAND-SUITE, a suite of tools for statistically-based landslide susceptibility modelling which integrate, extend and complete LAND-SE. LAND-SUITE is able to: i) facilitate input data preparation; ii) perform preliminary and exploratory analysis of the available data; iii) test different combinations of variables and select the optimal thematic/explanatory set; iv) test different model types and their combinations; and v) evaluate the models performance and uncertainty. LAND-SUITE provides a tool that can assist the user to reduce some common source of errors coming from the data preparatory phase, and to perform more easily, more flexible and more informed statistically-based landslide susceptibility applications.

Mauro Rossi et al.

Status: open (until 05 Jan 2022)

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Mauro Rossi et al.

Mauro Rossi et al.

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Short summary
LAND-SUITE is a software designed to support landslide susceptibility zonation. The software integrate, extend and complete LAND-SE (Rossi et al., 2010; Rossi & Reichenbach, 2016). The software is implemented in R, a free software environment for statistical computing and graphics, and gives expert users the possibility to perform more easily, more flexible and more informed statistically-based landslide susceptibility applications and zonations.