2009
DOI: 10.7202/029569ar
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Transferts sédimentaires dans le Bas-Rhône depuis le milieu du 19e siècle : essai de quantification

Abstract: Résumé En raison des contraintes géographiques et hydrographiques qui le caractérisent (influence des affluents méditerranéens, affaiblissement du profil longitudinal, proximité du niveau marin), le Bas-Rhône présente une tendance historique au stockage des sédiments dans sa plaine d’inondation, responsable de la progradation de la plaine deltaïque. Il constitue aujourd’hui une zone-clé essentielle à la compréhension des relations entre le bassin-versant et le milieu océanique, aussi bien pour le tra… Show more

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Cited by 9 publications
(3 citation statements)
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“…Changes in land use and structural changes for hydroelectricity generation reduced the river's suspended and bed load by 50% over the last 150 years (Pont et al, 2002;Maillet et al, 2007). This has led to an 8-10 m deepening of the channel and alteration of the previous braided pattern to a sinuous one.…”
Section: Regional and Local Settingmentioning
confidence: 95%
See 1 more Smart Citation
“…Changes in land use and structural changes for hydroelectricity generation reduced the river's suspended and bed load by 50% over the last 150 years (Pont et al, 2002;Maillet et al, 2007). This has led to an 8-10 m deepening of the channel and alteration of the previous braided pattern to a sinuous one.…”
Section: Regional and Local Settingmentioning
confidence: 95%
“…This location explains the abundance of and variation in discharge and the large amount of SSM transported (8 Mt annually, Pont et al, 2002). Part of this material is stored in the natural levees (Maillet et al, 2007).…”
Section: Regional and Local Settingmentioning
confidence: 98%
“…The mean annual water discharge measured at the Beaucaire gauging station is about 1700 m 3 s À1 and the estimated annual suspended load ranges from 1 to 19 Â 10 6 tonnes over the period 1967(Antonelli, 2002Pont et al, 2002;Rolland, 2006;Maillet et al, 2007). The values for the 1-year, 2-year, 10-year, 50-year and 100-year return-period discharges are 4000, 4800, 8400, 10400 and 11200 m 3 s À1 , respectively.…”
Section: Studied Areamentioning
confidence: 99%