Articles | Volume 14, issue 11
Nat. Hazards Earth Syst. Sci., 14, 3043–3064, 2014
https://doi.org/10.5194/nhess-14-3043-2014
Nat. Hazards Earth Syst. Sci., 14, 3043–3064, 2014
https://doi.org/10.5194/nhess-14-3043-2014

Research article 19 Nov 2014

Research article | 19 Nov 2014

Regional debris flow susceptibility analysis in mountainous peri-urban areas through morphometric and land cover indicators

M. C. Rogelis and M. Werner

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Cited articles

Al-Rawas, G. and Valeo, C.: Relationship between wadi drainage characteristics and peak-flood flows in arid northern Oman, Hydrolog. Sci. J., 55, 377–393, https://doi.org/10.1080/02626661003718318, 2010.
Antonucci, A., Salvetti, A., and Zaffalon, M.: Credal networks for hazard assessment of debris flows, in: Advanced Methods for Decision Making and Risk Management in Sustainability, edited by: Kropp, J. and Scheffran, J., chap. 10, http://www.idsia.ch/ alessandro/papers/antonucci2007d.pdf Nova Science, New York, 237–256, 2007.
Aulitzky, H.: Preliminary two-fold classification of torrents, Mitteilungen der Forstlichen Bundesversuchsanstalt, 144, 243–256, 1982.
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Baumann, V. and Wick, E.: Debris flow susceptibility mapping at a regional scale along the National Road N7, Argentina, in: 2011 Pan-Am CGS Geotechnical Conference, http://geoserver.ing.puc.cl/info/conferences/PanAm2011/panam2011/pdfs/GEO11Paper525.pdf (last access: 15 July 2013), 2011.
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Short summary
A method for assessing regional debris flow susceptibility at the watershed scale, based on an index composed of a morphometric indicator and a land cover indicator, is proposed and applied in 106 peri-urban mountainous watersheds in Bogota, Colombia. The indicator of debris flow susceptibility is obtained from readily available information common to most peri-urban mountainous areas and can be used to prioritise watersheds that can subsequently be subjected to detailed hazard analysis.
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