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National Academy of Sciences, Proceedings of the National Academy of Sciences, 49(112), p. 15042-15047, 2015

DOI: 10.1073/pnas.1512549112

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Mid-Pleistocene climate transition drives net mass loss from rapidly uplifting St. Elias Mountains, Alaska

Journal article published in 2015 by Lindsay L. Worthingtona, Sean P. S. Gulick ORCID, John M. Jaeger ORCID, Alan C. Mix, Hirofumi Asahi, Heinrich Bahlburg, Christina L. Belanger ORCID, Glaucia B. B. Berbel, Laurel Childress, Ellen Cowan, Laureen Drab, Matthias Forwick, Akemi Fukumura, Shulan Ge, Shyam Gupta and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

Significance In coastal Alaska and the St. Elias orogen, over the past 1.2 million years, mass flux leaving the mountains due to glacial erosion exceeds the plate tectonic input. This finding underscores the power of climate in driving erosion rates, potential feedback mechanisms linking climate, erosion, and tectonics, and the complex nature of climate−tectonic coupling in transient responses toward longer-term dynamic equilibration of landscapes with ever-changing environments.