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Calculated Potential Bedload Versus Real Transported Sands along the Guadiana River Estuary (Spain-Portugal) ArchiMer
Morales, Juan A.; Lozano, Claudio; Sedrati, Mouncef.
The Guadiana estuary is a coastal system located in the southwest of the Iberian Peninsula and is the natural border between Portugal and Spain. It is a rock-bounded estuary which extends along more than 40 km and is characterized by a semidiurnal mesotidal regime. This paper represents an approach to the bedload transport across two flow sections located in the fluvial and marine domains. In the fluvial profile, the most frequent bedform is the plane bed. In the marine area the bed of the deep channel is composed of well-sorted sand, while a lateral bar displays partially cohesive sediments with dominant fine sands in a matrix of clayey silts. Data were acquired during spring and neap tides. Near-bottom water velocities were registered by an acoustic...
Tipo: Text Palavras-chave: Guadiana Estuary; Tidal currents; Potential bedload transport; Real sediment input.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00637/74898/76064.pdf
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