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Cataloging Information
Hot Topic(s):
Topic(s):
Fire Effects
Ecological - Second Order
Soils
Water
Ecological - Second Order
Soils
Water
Ecosystem(s):
Sagebrush steppe, Lower montane/foothills/valley grassland
NRFSN number: 11436
FRAMES RCS number: 8387
Record updated:
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.
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