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The role of canals in transferring water and sediment during sediment sluicing operations in reservoirs
Béjar Maceiras, María; Vericat Querol, Damià; Batalla, Ramon J.; Palau, Antoni
Dams alter the continuity of sediment transport in rivers and, consequently, reservoirs experience siltation worldwide. In this paper we present a case study in which we describe how canals may play an important role in managing sediment sluicing operations in reservoirs. Water and sediment transport were monitored at 5 sections along 60 km of the River Segre downstream the Sant Llorenç de Montgai Dam; while bed mobility and in-channel sediment storage were assessed at 3 sites. Results indicate that canal intakes can be managed to control flow discharge and sediment conveyance. Canals located downstream reservoirs may be also used to reduce ecological impacts on riverbed during sediment sluicing from dams.
2014
Fine sediment sluicing
Segre river
Suspended sediment transport
Sedimentation
Sediments -- Transport
Regatge
Segre (Riu)
Canals
(c) Fundació Universitat de Lleida, 2014
(c) de les imatges: els autors, 2014
conferenceObject
Fundació Universitat de Lleida
         

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