Relevance of acoustic methods to quantify  bedload transport and bedform dynamics  in a large sandy-gravel-bed river

Le Guern, Jules; Rodrigues, Stéphane; Geay, Thomas; Zanker, Sébastien; Hauet, Alexandre; Tassi, Pablo; Claude, Nicolas; Jugé, Philippe; Duperray, Antoine; Vervynck, Louis

doi:https://doi.org/10.5194/esurf-9-423-2021

Articles | Volume 9, issue 3

Earth Surf. Dynam., 9, 423–444, 2021

https://doi.org/10.5194/esurf-9-423-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Earth Surf. Dynam., 9, 423–444, 2021

https://doi.org/10.5194/esurf-9-423-2021

© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 9, issue 3

Research article

27 May 2021

Research article | 27 May 2021

Relevance of acoustic methods to quantify bedload transport and bedform dynamics in a large sandy-gravel-bed river

Jules Le Guern et al.

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Nov 2020	191	24	0	215
Dec 2020	56	10	1	67
Jan 2021	37	13	1	51
Feb 2021	23	8	0	31
Mar 2021	20	6	0	26
Apr 2021	12	5	0	17
May 2021	197	35	2	234
Jun 2021	267	41	0	308
Jul 2021	97	14	3	114
Aug 2021	39	15	0	54
Sep 2021	28	22	0	50
Oct 2021	32	45	1	78
Nov 2021	34	32	0	66
Dec 2021	27	7	0	34
Jan 2022	23	24	2	49
Feb 2022	20	13	1	34
Mar 2022	19	11	0	30
Apr 2022	19	14	1	34
May 2022	21	19	2	42
Jun 2022	13	12	0	25
Jul 2022	29	17	0	46
Aug 2022	2	4	0	6

Cumulative views and downloads (calculated since 07 Oct 2020)

Month	HTML	PDF	XML	Total
Oct 2020	220	43	2	265
Nov 2020	191	24	0	215
Dec 2020	56	10	1	67
Jan 2021	37	13	1	51
Feb 2021	23	8	0	31
Mar 2021	20	6	0	26
Apr 2021	12	5	0	17
May 2021	197	35	2	234
Jun 2021	267	41	0	308
Jul 2021	97	14	3	114
Aug 2021	39	15	0	54
Sep 2021	28	22	0	50
Oct 2021	32	45	1	78
Nov 2021	34	32	0	66
Dec 2021	27	7	0	34
Jan 2022	23	24	2	49
Feb 2022	20	13	1	34
Mar 2022	19	11	0	30
Apr 2022	19	14	1	34
May 2022	21	19	2	42
Jun 2022	13	12	0	25
Jul 2022	29	17	0	46
Aug 2022	2	4	0	6

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Short summary

Despite the inherent difficulties in quantifying its value, sediment transport is essential to understanding fluvial systems. This study tries to improve the measurement by comparing several methods. Acoustic methods are compared to direct measurements with samplers. The hydrophone is well adapted to quantify sediment transport in mountain streams, but this study shows the potential and the efficiency of this device in large lowland rivers.

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