Geohistorical construction of the "wild" of the middle valley of the Garonne (near of Toulouse): how much of wilderness in river landscapes?

Abstract

Géohistoire des risques et des patrimoines naturels fluviaux Construction géohistorique du « sauvage » de la Garonne toulousaine : quelle part de naturalité dans les paysages fluviaux ? (2 ème partie) Geohistorical construction of the "wild" of the middle valley of the Garonne (near of Toulouse

Les formes d’érosion en lit mineur rocheux : typologie, distribution spatiale et implications sur la dynamique du lit. Exemple à partir des seuils rocheux molassiques de la moyenne Garonne toulousaine (Sud-Ouest, France)

“…In fact, this period corresponds to a big increase of human interference in the channel, with an intensification of in-stream mining in almost the entire channel (Beaudelin, 1989;Jantzi et al, 2017b). In parallel, this has been the subject of heavy bank protections to stabilize the river (Valette et al, 2014). During this time, the channel was also significantly incised, leading to an outcrop of the bedrock.…”