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1 February 2002 Factors Explaining the Spatial Distribution of Hillslope Debris Flows
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Abstract

The spatial distribution of 961 debris flows in the Upper Aragón and Gállego valleys (Central Spanish Pyrenees) was analyzed. Most were located in the Flysch Sector (with a colluvium mantle derived from strongly tectonically modified materials), between 1000 and 1400 m above sea level, on 25–35° gradients with sunny exposure. These gradients were either hillslopes covered by frequently burned scrubland, abandoned fields, or reforested land, confirming the influence of land use and disturbed landscapes on the occurrence of debris flows.

Adrián Lorente, José M. García-Ruiz, Santiago Beguería, and José Arnáez "Factors Explaining the Spatial Distribution of Hillslope Debris Flows," Mountain Research and Development 22(1), 32-39, (1 February 2002). https://doi.org/10.1659/0276-4741(2002)022[0032:FETSDO]2.0.CO;2
Accepted: 1 December 2001; Published: 1 February 2002
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