Fonctions des barrages de correction torrentielle

For over 150 years, humans have tried to limit the geomorphic activity of mountain watercourses, and the related damage, using torrent control works. Check dams are likely the most emblematic civil engineering structures used in mountain system soil conservation programs. Modern mountain societies h...

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Autores principales:	Guillaume Piton, Simon Carladous, Alain Recking, Jean-Marc Tacnet, Frédéric Liebault, Damien Kuss, Yann Queffelean, Olivier Marco
Formato:	article
Lenguaje:	DE EN FR IT PT
Publicado:	Unité Mixte de Recherche 8504 Géographie-cités 2019
Materias:	risk management flood erosion mountain Geography (General) G1-922
Acceso en línea:	https://doaj.org/article/df4f5793ea88454ba1b8f49f7e7bfb0f
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id	oai:doaj.org-article:df4f5793ea88454ba1b8f49f7e7bfb0f
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spelling	oai:doaj.org-article:df4f5793ea88454ba1b8f49f7e7bfb0f2021-12-02T11:16:23ZFonctions des barrages de correction torrentielle1278-336610.4000/cybergeo.32190https://doaj.org/article/df4f5793ea88454ba1b8f49f7e7bfb0f2019-05-01T00:00:00Zhttp://journals.openedition.org/cybergeo/32190https://doaj.org/toc/1278-3366For over 150 years, humans have tried to limit the geomorphic activity of mountain watercourses, and the related damage, using torrent control works. Check dams are likely the most emblematic civil engineering structures used in mountain system soil conservation programs. Modern mountain societies have inherited thousands of these structures built in upland gullies and streams. The expected qualitative effect of check dams on river systems is referred to their function. Check dam function must be clearly understood to help define their effectiveness and decisions concerning their maintenance or new project designs. The next steps concern quantitative assessments of each function on the flood features and propagation of all effects through the sediment cascade. The present understanding of these sometimes old structures’ functions can be complicated because the societal and environmental contexts in which the original structures were built may have changed. To bridge this gap, this paper traces the purposes for which check dams were built, through a detailed analysis of French archives. We first analyze chronologically how each function was theorized and applied in the field. In the nineteenth century, engineers developed a thorough empirical and conceptual knowledge of mountain soil erosion, torrential geomorphology, and sediment transport processes as well as check dam interactions with these natural processes. The second part of this paper synthesizes conceptual descriptions of the check dams’ functions, in the light of more than 150 years of experience. The French experience is compared to other countries’ pioneering works. Finally, the next steps and remaining research challenges toward a comprehensive analysis of check dams’ efficiency in torrent hazard mitigation are presented. This analysis is proposed to remind how, conceptually, check dams may influence geomorphic systems, bearing in mind the knowledge represented in pioneer guidelines and recent works on the subject.Guillaume PitonSimon CarladousAlain ReckingJean-Marc TacnetFrédéric LiebaultDamien KussYann QueffeleanOlivier MarcoUnité Mixte de Recherche 8504 Géographie-citésarticlerisk managementflooderosionmountainGeography (General)G1-922DEENFRITPTCybergeo (2019)
institution	DOAJ
collection	DOAJ
language	DE EN FR IT PT
topic	risk management flood erosion mountain Geography (General) G1-922
spellingShingle	risk management flood erosion mountain Geography (General) G1-922 Guillaume Piton Simon Carladous Alain Recking Jean-Marc Tacnet Frédéric Liebault Damien Kuss Yann Queffelean Olivier Marco Fonctions des barrages de correction torrentielle
description	For over 150 years, humans have tried to limit the geomorphic activity of mountain watercourses, and the related damage, using torrent control works. Check dams are likely the most emblematic civil engineering structures used in mountain system soil conservation programs. Modern mountain societies have inherited thousands of these structures built in upland gullies and streams. The expected qualitative effect of check dams on river systems is referred to their function. Check dam function must be clearly understood to help define their effectiveness and decisions concerning their maintenance or new project designs. The next steps concern quantitative assessments of each function on the flood features and propagation of all effects through the sediment cascade. The present understanding of these sometimes old structures’ functions can be complicated because the societal and environmental contexts in which the original structures were built may have changed. To bridge this gap, this paper traces the purposes for which check dams were built, through a detailed analysis of French archives. We first analyze chronologically how each function was theorized and applied in the field. In the nineteenth century, engineers developed a thorough empirical and conceptual knowledge of mountain soil erosion, torrential geomorphology, and sediment transport processes as well as check dam interactions with these natural processes. The second part of this paper synthesizes conceptual descriptions of the check dams’ functions, in the light of more than 150 years of experience. The French experience is compared to other countries’ pioneering works. Finally, the next steps and remaining research challenges toward a comprehensive analysis of check dams’ efficiency in torrent hazard mitigation are presented. This analysis is proposed to remind how, conceptually, check dams may influence geomorphic systems, bearing in mind the knowledge represented in pioneer guidelines and recent works on the subject.
format	article
author	Guillaume Piton Simon Carladous Alain Recking Jean-Marc Tacnet Frédéric Liebault Damien Kuss Yann Queffelean Olivier Marco
author_facet	Guillaume Piton Simon Carladous Alain Recking Jean-Marc Tacnet Frédéric Liebault Damien Kuss Yann Queffelean Olivier Marco
author_sort	Guillaume Piton
title	Fonctions des barrages de correction torrentielle
title_short	Fonctions des barrages de correction torrentielle
title_full	Fonctions des barrages de correction torrentielle
title_fullStr	Fonctions des barrages de correction torrentielle
title_full_unstemmed	Fonctions des barrages de correction torrentielle
title_sort	fonctions des barrages de correction torrentielle
publisher	Unité Mixte de Recherche 8504 Géographie-cités
publishDate	2019
url	https://doaj.org/article/df4f5793ea88454ba1b8f49f7e7bfb0f
work_keys_str_mv	AT guillaumepiton fonctionsdesbarragesdecorrectiontorrentielle AT simoncarladous fonctionsdesbarragesdecorrectiontorrentielle AT alainrecking fonctionsdesbarragesdecorrectiontorrentielle AT jeanmarctacnet fonctionsdesbarragesdecorrectiontorrentielle AT fredericliebault fonctionsdesbarragesdecorrectiontorrentielle AT damienkuss fonctionsdesbarragesdecorrectiontorrentielle AT yannqueffelean fonctionsdesbarragesdecorrectiontorrentielle AT oliviermarco fonctionsdesbarragesdecorrectiontorrentielle
_version_	1718396082884444160

Fonctions des barrages de correction torrentielle

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