Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/44121
Title: Relict sand waves in the continental shelf of the Gulf of Valencia (Western Mediterranean)
Authors: Albarracín, Silvia
Alcántara-Carrió, Javier
Montoya-Montes, Isabel 
Fontán-Bouzas, Ángela
Somoza, Luis
Amos, Carl L.
Rey Salgado, Jorge
UNESCO Clasification: 2510 Oceanografía
251007 Oceanografía física
Keywords: Holocene
Seismic stratigraphy
Continental shelf
Sand waves
Subaqueous dunes
Western mediterranean
Issue Date: 2014
Journal: Journal of Sea Research 
Abstract: The presence of fossil or relict bedforms is common in the Quaternary fill of modern continental shelf due to sea level oscillations, tectonic subsidence and migration of associated sedimentary facies. The continental margin of the Gulf of Valencia has been strongly influenced by glacio-eustasy and neotectonics. High-resolution multibeam bathymetry data, seismic reflection profiles and box core samples were collected across the continental shelf of the Gulf of Valencia during the DERIVA cruises carried out in 2010 and 2011. The integrated analysis of this data set and high-resolution mapping of the relict bedforms on the Valencian continental shelf, ranging between 50 and 90 m allowed the study of previously identified system of sand waves located in front of the present-day Albufera de Valencia lagoon. The system is composed of 27 ridges with a NNE–SSW orientation, i.e. oblique to the present shoreline, in which the lateral horns point backwards. These sand waves can reach 10 m in height and 3 km in length resulting in a maximum slope of 6°. According to seismic stratigraphic and relative sea level curve reconstructions, these sand waves were formed during the Younger Dryas (~ 12–10 ky BP). Consequently, they have been classified as Holocene sand waves associated with coastal sedimentary evolution.
URI: http://hdl.handle.net/10553/44121
ISSN: 1385-1101
DOI: 10.1016/j.seares.2013.12.014
WOS:000342244700006
Source: Journal Of Sea Research [ISSN 1385-1101], v. 93, p. 33-46
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