Articles | Volume 18, issue 9
Nat. Hazards Earth Syst. Sci., 18, 2455–2469, 2018
https://doi.org/10.5194/nhess-18-2455-2018
Nat. Hazards Earth Syst. Sci., 18, 2455–2469, 2018
https://doi.org/10.5194/nhess-18-2455-2018

Research article 14 Sep 2018

Research article | 14 Sep 2018

Effective surveyed area and its role in statistical landslide susceptibility assessments

Txomin Bornaetxea et al.

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Short summary
While producing a landslide susceptibility map using a fieldwork-based landslide inventory and a logistic regression model, two crucial questions came to our minds. (i) Shall we consider unsurveyed regions of the study area, for which landslide absence is typically assumed? (ii) Which reference mapping unit should be used in our model? So we compared four maps and found that rejecting unsurveyed regions together with slope units as reference mapping unit should be the best option.
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