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Interannual variability of the Mediterranean outflow observed in Espartel sill, western Strait of Gibraltar ArchiMer
Garcia-lafuente, J.; Delgado, J.; Sanchez Roman, A.; Soto, J.; Carracedo, Lidia; Diaz Del Rio, G..
Four-year time series of observations in Espartel sill at the western part of the Strait of Gibraltar have been analyzed in order to investigate the variability of the Mediterranean outflow. It is assumed that the observed variability comes from the changing properties of the dense waters that are located at the maximum depth from where they can be uplifted in the upstream basin (Alboran Sea, inside the Mediterranean Sea) and evacuated through the strait. From this perspective, the following three mechanisms are investigated: (1) the replenishment of the deep basin by newly formed Western Mediterranean Deep Water that, depending on its density, can either uplift old resident waters or lay above them leaving in any case a cold signature in the temperature...
Tipo: Text Palavras-chave: Mediterranean outflow; Alboran Sea gyres; Interannual variability; Strait of Gibraltar; Seasonality; WMDW.
Ano: 2009 URL: https://archimer.ifremer.fr/doc/00629/74113/73544.pdf
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New insights into upper MOW variability over the last 150 kyr from IODP 339 Site U1386 in the Gulf of Cadiz ArchiMer
Kaboth, Stefanie; Bahr, Andre; Reichart, Gert-jan; Jacobs, Bram; Lourens, Lucas J..
The upper Mediterranean Outflow Water (MOW) paleo-oceanographic history in the Gulf of Cadiz is poorly constrained due to the lack of high-resolution records that pre-date the last glaciation. Existing proxy records concentrate on MOW variability along the middle slope of the Gulf of Cadiz. Here we present a continuous high-resolution benthic foraminifera delta O-18 record from the upper MOW core at IODP Expedition 339 Site U1386 in the Gulf of Cadiz of the past 150,000 years. Based on delta O-18, grain-size and Zr/AI variability comparison of our results with existing Mediterranean Sea (MD01-2472, MD95-2043), open ocean (LR04) and Gulf of Cadiz (MD99-2339) records we have gathered new insights into the evolution of the upper MOW core on glacial...
Tipo: Text Palavras-chave: Mediterranean outflow; Glacial-interglacial variability; Sapropel; Heinrich events; Gulf of Cadiz.
Ano: 2016 URL: https://archimer.ifremer.fr/doc/00421/53235/54767.pdf
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