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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
earth and planetary sciences
Impact of pulsed Atlantic water inflow into the Alboran Basin at the time of the Zanclean flooding
Geo-Marine Letters, Volume 31, No. 5-6, Year 2011
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Description
The study of more than 500 single- and multichannel seismic records enabled the generation of a detailed palaeo-bathymetric map of the Messinian surface over most of the Alboran Basin, Western Mediterranean. This regional surface is characterized by several erosional features (channels, terraces and canyons) and topographic highs (structural, volcanic and diapiric in origin). The most prominent feature is the incised Zanclean Channel crossing the entire basin, its entrenchment having been associated with the opening of the Strait of Gibraltar and subsequent inflow of Atlantic waters. The incision depth of the channel is variable, suggesting local variations in the erosive capacity of the Atlantic inflow, conditioned mainly by the regional basin topography and the local presence of topographic highs. Adjacent to this channel along the Spanish and Moroccan margins, and near the Strait of Gibraltar, several submarine terraces developed at different depths suggest a pulsed flooding of the Alboran Basin. There could have been two major inflow phases of Atlantic water, one shortly before and another during the Zanclean flooding, the latter accompanied by periods of relative sea-level stillstands that enabled terrace development. Alternatively, these features were all generated during the main flooding evident and subsequent pulsed infilling of the basin. © 2011 Springer-Verlag.
Authors & Co-Authors
Estrada, Ferran
Spain, Barcelona
Csic - Instituto de Ciencias Del Mar Icm
Ercilla, Gemma
Spain, Barcelona
Csic - Instituto de Ciencias Del Mar Icm
Gorini, Christian
France, Paris
Sorbonne Université
Alonso, Belén
Spain, Barcelona
Csic - Instituto de Ciencias Del Mar Icm
Vázquez, Juan Tomás
Spain, Madrid
Csic-ieo - Instituto Español de Oceanografía
García-Castellanos, Daniel
Spain, Barcelona
Geociencias Barcelona Geo3bcn, Csic
Juan, Carmen
Spain, Barcelona
Csic - Instituto de Ciencias Del Mar Icm
Maldonado, Andrés
Spain, Granada
Universidad de Granada
Ammar, Abdellah
Morocco, Rabat
Mohammed V University in Rabat
Elabbassi, Mohammed
Morocco, Rabat
Mohammed V University in Rabat
Statistics
Citations: 67
Authors: 10
Affiliations: 6
Identifiers
Doi:
10.1007/s00367-011-0249-8
e-ISSN:
14321157
Research Areas
Environmental