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Evolution of vertical knickpoints (waterfalls) with resistant caprock: Insights from numerical modeling

Haviv, I; Enzel, Y; Whipple, K. X; Zilberman, E.; Matmon, A; Stone, John O; Fifield, L Keith

Description

Vertical knickpoints (waterfalls) mark a prominent process transition zone whose governing mechanics is not represented by conventional stream power incision models. We examine the evolution of vertical knickpoints with resistant caprock utilizing numerical simulations that explicitly represent (1) face failure mechanisms, (2) flow acceleration and amplified erosion above a knickpoint lip, (3) deposition and removal of coarse debris below the knickpoint, and (4) base level lowering or tectonic...[Show more]

CollectionsANU Research Publications
Date published: 2010
Type: Journal article
URI: http://hdl.handle.net/1885/62490
Source: Journal of Geophysical Research
DOI: 10.1029/2008JF001187

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