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	Provedor de dados ArchiMer (1) Autor Crassous, Philippe (1) Etoubleau, Joel (1) Khripounoff, Alexis (1) Vangriesheim, Annick (1) Palavra-chave Hyperpycnal flow (1) Particle flux (1) Turbidity current (1) Var canyon (1) West Mediterranean Sea (1) Tipo do documento Text (1) Ano 2009 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última High frequency of sediment gravity flow events in the Var submarine canyon (Mediterranean Sea) ArchiMer Khripounoff, Alexis; Vangriesheim, Annick; Crassous, Philippe; Etoubleau, Joel. This study aimed to analyze the role river floods play in triggering gravity flows and to investigate the role of submarine canyon systems as a conduit for terrigenous material to the deep sea. Two years of measurements in the Var canyon at depths ranging from 1200 m to 2350 m indicate that six floods of the Var River triggered hyperpycnal flows, an important mechanism for transporting particulate matter to the deep-sea floor. These sediment gravity flows were characterized by a sudden increase of current velocity that lasted 8 to 22 h and by downward particle fluxes that reached up to 600 g m(-2)d(-1) of particles and 3.1 g m(-2)d(-1) in terms of organic carbon. These large inputs of sediment and organic carbon may have a significant impact on deep-sea... Tipo: Text Palavras-chave: West Mediterranean Sea; Particle flux; Var canyon; Hyperpycnal flow; Turbidity current. Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6640.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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