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Torrents et torrentialité dans la vallée de la Guisane - Contribution d'une étude géographique à la gestion durable du risque torrentiel à Serre-Chevalier (Briançonnais; Hautes-Alpes; France)

Abstract : Since the 1950s, the creation of Serre-Chevalier has led municipalities to the Guisane valley into a deep socio-economic regeneration. Once safely neglected, many areas have then been massive urbanization. The alluvial fans are privileged to be part of this rivalry space, and therefore the risk area. Relations "torrents-society" are quite conflicting, and the integration of risk in torrential development projects or development is still often perceived as a burden. This work is characterized by a transversal approach and multiscale coupling of field investigations and analysis carried out ex situ. The diagnosis of torrential hazard depends mainly on the concept of "potential" to detach from the "straitjacket" normal zoning history. The study of contemporary morphological adjustments helped to better understand the diversity of local configurations, but also the inexorable rise of vulnerability to the development of Serre-Chevalier. The development perspective of past and current management of risk has put forward some proposals, including from a significant focus on prevention information, education, and especially the issues. Furthermore, a system of information on risk torrential in Serre-Chevalier (SIRTOS) was designed. This would facilitate decision making by its interoperability, its enrichment, its integration into development projects, and thus lead to more sustainable management of the torrential risk.
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https://theses.hal.science/tel-00461953
Contributor : Lucas Thenard Connect in order to contact the contributor
Submitted on : Tuesday, May 18, 2010 - 4:33:03 PM
Last modification on : Tuesday, November 22, 2022 - 2:26:15 PM
Long-term archiving on: : Thursday, September 23, 2010 - 6:11:39 PM

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  • HAL Id : tel-00461953, version 3

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Lucas Thenard. Torrents et torrentialité dans la vallée de la Guisane - Contribution d'une étude géographique à la gestion durable du risque torrentiel à Serre-Chevalier (Briançonnais; Hautes-Alpes; France). Géographie. Université des Sciences et Technologie de Lille - Lille I, 2009. Français. ⟨NNT : ⟩. ⟨tel-00461953v3⟩

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