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Sea-level control on the connection between shelf-edge deltas and the Bourcart canyon head (western Mediterranean) during the last glacial/interglacial cycle ArchiMer
Mauffrey, M. A.; Berne, Serge; Jouet, Gwenael; Giresse, P.; Gaudin, M..
A dense grid of high- and very high resolution seismic data, together with piston cores and borehole data providing time constraints, enables us to reconstruct the history of the Bourcart canyon head in the western Mediterranean Sea during the last glacial/interglacial cycle. The canyon fill is composed of confined channel–levee systems fed by a series of successively active shelf fluvial systems, originating from the west and north. Most of the preserved infill corresponds to the interval between Marine Isotope Stage (MIS) 3 and the early deglacial (19 cal ka BP). Its deposition was strongly controlled by a relative sea level that impacted the direct fluvial/canyon connection. During a period of around 100 kyr between MIS 6 and MIS 2, the canyon...
Tipo: Text Palavras-chave: Submarine canyon; Confined channel-levee systems; Mass transport deposits; Bond cycles; Sea level.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00281/39243/37808.pdf
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