Articles | Volume 9, issue 4
Earth Surf. Dynam., 9, 1073–1090, 2021
https://doi.org/10.5194/esurf-9-1073-2021
Earth Surf. Dynam., 9, 1073–1090, 2021
https://doi.org/10.5194/esurf-9-1073-2021

Research article 27 Aug 2021

Research article | 27 Aug 2021

Sediment size on talus slopes correlates with fracture spacing on bedrock cliffs: implications for predicting initial sediment size distributions on hillslopes

Joseph P. Verdian et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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AR: Author's response | RR: Referee report | ED: Editor decision
AR by Leonard Sklar on behalf of the Authors (01 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to minor revisions (review by editor) (23 Jun 2021) by Simon Mudd
AR by Leonard Sklar on behalf of the Authors (27 Jun 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish as is (30 Jun 2021) by Simon Mudd
ED: Publish as is (05 Jul 2021) by Tom Coulthard(Editor)
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Short summary
River behavior depends on the size of rocks they carry. Rocks are born on hillslopes where erosion removes fragments from solid bedrock. To understand what controls the size of rock fragments, we measured the spacing between cracks exposed in 15 bare-rock cliffs and the size of rocks on the ground below. We found that, for each site, the average rock size could be predicted from the average distance between cracks, which varied with rock type. This shows how rock type can influence rivers.