Articles | Volume 25, issue 8
Hydrol. Earth Syst. Sci., 25, 4473–4494, 2021
https://doi.org/10.5194/hess-25-4473-2021
Hydrol. Earth Syst. Sci., 25, 4473–4494, 2021
https://doi.org/10.5194/hess-25-4473-2021

Research article 19 Aug 2021

Research article | 19 Aug 2021

Spatiotemporal changes in flow hydraulic characteristics and soil loss during gully headcut erosion under controlled conditions

Mingming Guo et al.

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AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Publish subject to revisions (further review by editor and referees) (27 Mar 2021) by Thom Bogaard
AR by Wenlong Wang on behalf of the Authors (09 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (29 May 2021) by Thom Bogaard
RR by Anonymous Referee #1 (01 Jul 2021)
ED: Publish subject to minor revisions (review by editor) (21 Jul 2021) by Thom Bogaard
AR by Wenlong Wang on behalf of the Authors (23 Jul 2021)  Author's response    Author's tracked changes    Manuscript
ED: Publish subject to technical corrections (23 Jul 2021) by Thom Bogaard
AR by Wenlong Wang on behalf of the Authors (23 Jul 2021)  Author's response    Manuscript
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Short summary
Gully headcut erosion is always a difficult issue in soil erosion, which hinders the revelation of gully erosion mechanisms and the establishment of a gully erosion model. This study clarified the spatiotemporal changes in flow properties, energy consumption, and soil loss, confirming that gully head consumed the most of flow energy (78 %) and can contribute 89 % of total soil loss. Critical energy consumption initiating soil erosion of the upstream area, gully head, and gully bed is confirmed.