Articles | Volume 5, issue 1
Earth Surf. Dynam., 5, 1–20, 2017
https://doi.org/10.5194/esurf-5-1-2017

Special issue: Frontiers in geomorphometry

Earth Surf. Dynam., 5, 1–20, 2017
https://doi.org/10.5194/esurf-5-1-2017
Research article
11 Jan 2017
Research article | 11 Jan 2017

Bed and width oscillations form coherent patterns in a partially confined, regulated gravel–cobble-bedded river adjusting to anthropogenic disturbances

Rocko A. Brown and Gregory B. Pasternack

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The goal of this study was to determine whether minimum bed elevation and flow-dependent channel top width are organized in a partially confined, incising gravel-cobbled bed river across a range of discharges. A key result is that the test river exhibited covarying oscillations of minimum bed elevation and channel top width across all flows analyzed. These covarying oscillations were found to be quasiperiodic at channel-forming flows, scaling with the length scales of bars, pools, and riffles.