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Article dans une revue International Journal of Landslides and Environment Année : 2013

Short-term geomorphic observations in the Nepal Himalayas : contribution to the knowledge of geo-disasters along a road corridor

Résumé

In this paper, we focus on medium/small-scale landslides of the Middle Kali Gandaki (KG) valley, where the river cuts across the >8000 m high peaks of Dhaulagiri and Annapurna Himal (the deepest gorge in the world). The study zone is very prone to geomorphic instability (very steep slopes, litho-units of varying resistance, the highest amount of rainfall in the Nepal Himalaya; Dahal and Hasegawa 2008). Mountainslopes are either made of rocky spurs with segments exceeding 70° in slope angle, or unstable, debris-covered slopes (<30°) corresponding to older landslide material most prone to re-mobilization. The valley bottom displays narrow floor with discontinuous patches of aggradational terraces (i.e., latePleistocene and Holocene age).

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Géographie
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Dates et versions

hal-01196892, version 1 (16-09-2015)

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  • HAL Id : hal-01196892 , version 1

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Monique Fort. Short-term geomorphic observations in the Nepal Himalayas : contribution to the knowledge of geo-disasters along a road corridor. International Journal of Landslides and Environment, 2013, 1 (1), p. 17-18. ⟨hal-01196892⟩
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