Articles | Volume 6, issue 4
Earth Surf. Dynam., 6, 1011–1021, 2018
https://doi.org/10.5194/esurf-6-1011-2018
Earth Surf. Dynam., 6, 1011–1021, 2018
https://doi.org/10.5194/esurf-6-1011-2018

Research article 07 Nov 2018

Research article | 07 Nov 2018

Uniform grain-size distribution in the active layer of a shallow, gravel-bedded, braided river (the Urumqi River, China) and implications for paleo-hydrology

Laure Guerit 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 Laure Guerit on behalf of the Authors (31 Aug 2018)  Author's response    Manuscript
ED: Publish subject to minor revisions (review by editor) (12 Sep 2018) by Rebecca Hodge
AR by Laure Guerit on behalf of the Authors (17 Sep 2018)  Author's response    Manuscript
ED: Publish as is (18 Sep 2018) by Rebecca Hodge
ED: Publish as is (21 Oct 2018) by A. Joshua West(Editor)
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Short summary
The grain-size distribution of ancient alluvial systems is commonly determined from sections of gravel deposits exposed vertically to reconstruct paleo-environments or changes in tectonics and/or climate. To test whether such a grain-size distribution is equivalent to one of the sediments that was in direct contact with the flow at the time of deposition, we dug a large trench in an active gravel-bedded, braided river. We show that the granulometry is uniform at the scale of the active layer.