Articles | Volume 9, issue 5
Earth Surf. Dynam., 9, 1301–1322, 2021
https://doi.org/10.5194/esurf-9-1301-2021
Earth Surf. Dynam., 9, 1301–1322, 2021
https://doi.org/10.5194/esurf-9-1301-2021
Research article
 | Highlight paper
30 Sep 2021
Research article  | Highlight paper | 30 Sep 2021

Escarpment retreat rates derived from detrital cosmogenic nuclide concentrations

Yanyan Wang and Sean D. Willett

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Latest update: 08 Aug 2022
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Short summary
Although great escarpment mountain ranges are characterized by high relief, modern erosion rates suggest slow rates of landscape change. We question this interpretation by presenting a new method for interpreting concentrations of cosmogenic isotopes. Our analysis shows that erosion has localized onto an escarpment face, driving retreat of the escarpment at high rates. Our quantification of this retreat rate rationalizes the high-relief, dramatic landscape with the rates of geomorphic change.