2003
DOI: 10.1139/e03-017
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Échanges nappe–rivière en vallée alpine : quantification et modélisation (Vallée d'Aoste, Italie)

Abstract: A mathematical model is applied to the Aoste Valley (Italy), which is a good example of the hydrological workings of alluvial rock basin aquifers in mountainous regions. The course of the Dorea Baltea follows the valley, which between the altitudes of 500 and 600 m is dominated by summits reaching more than 3000 m. The lacustrine- and fluviatile-type sedimentary deposits are accompanied by several alluvial cones that, due to their varying nature, confer very diverse hydrodynamic characteristics to the land. In… Show more

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Cited by 5 publications
(8 citation statements)
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“…Within the study area, this river collects water from 14 tributaries, among which the most important is the Buthier Creek, which crosses the town of Aosta from north to south (Figure 1a). The geological and hydrogeological features of this area were exhaustively described by many previous studies [20][21][22][23][24][25][26][27][28][29][30], so only a brief summary is given in the following. The aquifer system is formed by fluvioglacial, alluvial, lacustrine, and fan deposits, which overlay a deep crystalline basement.…”
Section: Study Areamentioning
confidence: 99%
“…Within the study area, this river collects water from 14 tributaries, among which the most important is the Buthier Creek, which crosses the town of Aosta from north to south (Figure 1a). The geological and hydrogeological features of this area were exhaustively described by many previous studies [20][21][22][23][24][25][26][27][28][29][30], so only a brief summary is given in the following. The aquifer system is formed by fluvioglacial, alluvial, lacustrine, and fan deposits, which overlay a deep crystalline basement.…”
Section: Study Areamentioning
confidence: 99%
“…Tra Aymavilles e Aosta la falda non risulta in connessione idraulica col fiume e, tranne che per il tratto a monte di Gressan in cui l'alveo della Dora Baltea presenterebbe permeabilità molto basse (P.I. A.H.V.A., 1996), viene da esso alimentata, in particolare tra Gressan al limite ovest del conoide del Torrente de Comboué (Triganon et al, 2003). Più a valle, tra Aosta e Pollein, il fiume drena invece la falda, e in misura minore tra Pollein e St.Marcel dove funge da regolatore delle escursioni piezometriche (P.I.A.H.V.…”
Section: Area DI Studiounclassified
“…A., 1996). Triganon (2003) sostiene invece un'azione alimentante del fiume per connessione diretta nel tratto tra Pollein a Quart, mentre l'assenza di chiari rapporti diretti tra acquifero e fiume è indicata in De Maio (2010), né tali rapporti vengono riconosciuti nella zona di Aosta da De Luca (2004).…”
Section: Area DI Studiounclassified
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