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Bedforms of the Mediterranean outflow current generated at the exit of the Strait of Gibraltar

Other TitlesFormas de fondo generadas por la corriente mediterránea tras su salida por el estrecho de Gibraltar
AuthorsCasas, David ; Ercilla, Gemma ; Hernández-Molina, Francisco J.; Roque, Cristina; MOWER Cruise
Gulf of Cadiz
Bottom currents
Issue Date2015
PublisherCentro Oceanográfico de Málaga
CitationVolumen de comunicaciones presentadas en el VIII Simposio sobre el Margen Ibérico Atlántico: 603-605 (2015)
AbstractThe effects of the Mediterranean Outflow Water (MOW) over a deep seafloor environment have been filmed with an ARGUS ROV system in the Cadiz Contourite Depositional System (Gulf of Cadiz, Spanish Atlantic). The new images, obtained in different erosional and depositional features of the system at depths between 500 and 700 m, state the capability of bottom currents to generate bedforms at different scales. The ROV system recorded a great variability of current-induced features, both longitudinal and transverse in different sub-environments dominated by gravel and sand to silty sand sediments: furrows, contouritic channels, terraces, and drift domains. The spatial distribution of the bedforms confirms the general westward decrease in energy of the MOW. But the bedform patterns reflect a great variability in the velocity and direction of the bottom current at local scale. This fact suggests a complex scenario characterized by the combination of different hydrodynamic processes action
DescriptionVIII Simposio sobre el Margen Ibérico Atlántico (MIA15), del 21 al 23 de septiembre de 2015, Málaga.-- 3 pages, 5 figures
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