SEDIMENT TRANSPORT AND DISPERSAL IN THE NEARSHORE OF "FLASH-FLOOD† RIVERS.

Manel Grifoll; Vicenç Gracia; Jorge Guillén; Manuel Espino; Agustín Sanchez-Arcilla

doi:10.9753/icce.v34.sediment.51

No. 34 (2014), Sediment Transport and Morphology

No. 34 (2014)

SEDIMENT TRANSPORT AND DISPERSAL IN THE NEARSHORE OF "FLASH-FLOOD† RIVERS.

Sediment Transport and Morphology

Published 2014-10-30

Manel Grifoll
Vicenç Gracia
Jorge Guillén
Manuel Espino
Agustín Sanchez-Arcilla

Manel Grifoll

Vicenç Gracia

Jorge Guillén

Manuel Espino

Agustín Sanchez-Arcilla

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Keywords

sediment transport
river dispersal
mud-belt
coupling

How to Cite

SEDIMENT TRANSPORT AND DISPERSAL IN THE NEARSHORE OF "FLASH-FLOOD† RIVERS. (2014). Coastal Engineering Proceedings, 1(34), sediment.51. https://doi.org/10.9753/icce.v34.sediment.51

Abstract

River sediment dispersal on the near-shore of "flash-flood† rivers is investigated using a coupled wave-current-sediment transport model. Besòs and Llobregat rivers (short and mountainous rivers in NW Mediterranean Sea, near to Barcelona City) are used as examples to study the sediment transport under "flash-flood† regime. The modeling system COWAST which includes the coupling between the water circulation model ROMS and the wave model SWAN, is applied to assess the sediment dispersal mechanisms and deposition in the coastal area off the two river mouths. Preferential depositional areas such as mud-belts were identified from the simulations. The sediment dispersal pattern obtained by the model agrees with observational measurments. Complementary numerical simulations revealed sorting of sediment grain size in the cross-shelf direction.

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References

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SEDIMENT TRANSPORT AND DISPERSAL IN THE NEARSHORE OF "FLASH-FLOOD† RIVERS.

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