Articles | Volume 8, issue 1
Research article
19 Feb 2020
Research article |  | 19 Feb 2020

Geomorphic signatures of the transient fluvial response to tilting

Helen W. Beeson and Scott W. McCoy

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Cited articles

Armstrong, P. A., Ehlers, T. A., Chapman, D. S., Farley, K. A., and Kamp, P. J. J.: Exhumation of the central Wasatch Mountains, Utah: 1. Patterns and timing of exhumation deduced from low-temperature thermochronology data, J. Geophys. Res.-Solid, 108, B032172,, 2003. 
Attal, M., Cowie, P. A., Whittaker, A. C., Hobley, D., Tucker, G. E., and Roberts, G. P.: Testing fluvial erosion models using the transient response of bedrock rivers to tectonic forcing in the Apennines, Italy, J. Geophys. Res.-Earth, 116, F02005,, 2011. 
Baldwin, J. A., Whipple, K. X., and Tucker, G. E.: Implications of the shear stress river incision model for the timescale of postorogenic decay of topography, J. Geophys. Res.-Solid, 108, 2158,, 2003. 
Bateman, P. and Wahrhaftig, C.: Geology of the Sierra Nevada, in: Geology of Northern California, vol. 190, California Division of Mines and Geology Bulletin, San Francisco, California, 107–172, 1966. 
Beeson, H. W.: Geomorphic signatures of tilt: Animations of transient bedrock river response to perturbations,, 2019. 
Short summary
We used a computer model to show that, when a landscape is tilted, rivers respond in a distinct way such that river profiles take on unique forms that record tilt timing and magnitude. Using this suite of river forms, we estimated tilt timing and magnitude in the Sierra Nevada, USA, and results were consistent with independent measures. Our work broadens the scope of tectonic histories that can be extracted from landscape form to include tilting, which has been documented in diverse locations.