Articles | Volume 20, issue 12
Nat. Hazards Earth Syst. Sci., 20, 3315–3331, 2020
https://doi.org/10.5194/nhess-20-3315-2020
Nat. Hazards Earth Syst. Sci., 20, 3315–3331, 2020
https://doi.org/10.5194/nhess-20-3315-2020

Research article 08 Dec 2020

Research article | 08 Dec 2020

What controls the coarse sediment yield to a Mediterranean delta? The case of the Llobregat River (NE Iberian Peninsula)

Juan P. Martín-Vide et al.

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Cited articles

Alayo, J. C.: Water and Energy. Hydropower in the Catalan rivers, Pagès ed., Barcelona, 936 pp., 2017 (in Catalan). 
Allison, M. A., Demas, C. R., Ebersole, B. A., Kleiss, B. A., Little, C. D., Meselhe, E. A., Powell, N. J., Pratt, T. C., and Vosburg, B. M.: A water and sediment budget for the lower Mississippi-Atchafalaya River in flood years 2008–2010: Implications for sediment discharge to the ocean and coastal restoration in Louisiana, J. Hydrol., 432–433, 84–97, 2012. 
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An alluvial Mediterranean river changed its riverine and deltaic landscape. The delta has been heavily retreating (up to 800 m) for more than a century. We focus on the river, channelized in the last 50 years, trying to link its sandy sediment yield to the delta evolution. Sediment availability in the last 30 km of the river channel is deemed responsible for the decrease in the sediment yield to the delta. Sediment supply reduction to the coast jeopardizes the future of the delta and beaches.
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