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Abstract

Summary

This research presents a GIS-based approach to construct a comprehensive landslide susceptibility map for the Romagna region in Italy, an area characterized by high seismic activity and a significant number of historical landslides. The study employs quantitative methods to evaluate the factors influencing landslide occurrence, including elevation, slope, slope direction, rainfall, proximity to water bodies and highways, soil type, Normalized Difference Vegetation Index (NDVI), and Topographic Wetness Index (TWI).

By analyzing landslides that occurred over the past two decades, the frequency ratio method was employed to establish relationships between landslide-prone areas and causal factors. Weighting factors for each factor class were mathematically determined based on the distribution of landslide points. Additionally, specific criteria were considered to prioritize certain factors.

The resultant landslide susceptibility map offers valuable insights for geologists and decision-makers in Emilia-Romagna to better assess and forecast landslides, contributing to the preservation of life and property in this seismic-prone region.

EAGE Publications BV © 2023 The Authors © European Association of Geoscientists and Engineers
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/content/papers/10.3997/2214-4609.2023500009
2023-09-18
2025-11-07

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/content/papers/10.3997/2214-4609.2023500009
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Using Gis Methods to Build a Landslide Susceptibility Map in Romagna Region (Italy)
Conference Proceedings 2023, 1 (2023); https://doi.org/10.3997/2214-4609.2023500009
/content/papers/10.3997/2214-4609.2023500009
/content/papers/10.3997/2214-4609.2023500009
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