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The potential influence of stair-step morphology on the initiation of bulking debris flows in southwestern Idaho, USA

Author(s): C. W. Welcker, John M. Buffington, Charles H. Luce, J. A. McKean
Year Published: 2005
Description:

Hillside hollows which produced bulking debris flows in southwestern Idaho in 2003-2005 consistently show a stair-step morphology with vertical risers and planar, roughly horizontal treads. We propose a process model of step formation by plunging flow which increases sediment detachment and transport, thereby encouraging the formation of bulking debris flows.

Citation: Welcker, C.W.; Buffington, J.M.; Luce, Charles H.; McKean, James A. 2005. The potential influence of stair-step morphology on the initiation of bulking debris flows in southwestern Idaho, USA, abstract. In: Geological Society of America Annual Meeting and Exposition. 2005 October 16-19; Salt Lake City, UT.
Topic(s): Fire Effects, Ecological - Second Order, Soils, Water
Ecosystem(s): Sagebrush steppe, Lower montane/foothills/valley grassland
Document Type: Conference Proceedings
NRFSN number: 11436
FRAMES RCS number: 8387
Record updated: Apr 19, 2017