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Bioavailability of anthropogenic radionuclides in mussels along the French Mediterranean coast ArchiMer
Thebault, H.; Arnaud, M; Charmasson, Sabine; Andral, Bruno; Diméglio, Y.; Barker, E..
Tipo: Text
Ano: 2005 URL: https://archimer.ifremer.fr/doc/00479/59102/61740.pdf
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Chronology and sources of trace elements accumulation in the Rhône pro-delta sediments (Northwestern Mediterranean) during the last 400years ArchiMer
Cossa, Daniel; Fanget, Anne-sophie; Chiffoleau, Jean-francois; Bassetti, M-a; Buscail, R.; Dennielou, Bernard; Briggs, K.; Arnaud, M; Guedron, S.; Berne, Serge.
The Rhône pro-delta sediments receive the particulate inputs from the Rhône River, the largest freshwater discharge of the Western Mediterranean Sea. Trace element (TEs: Ag, Cd, Co, Cr, Cu, Ni, Pb, and Zn) concentrations and stable Pb isotope ratios were determined along a 7.7-meter-long sediment core collected from the Rhône prodeltaic lobe, archiving the deposits of the last 400 years. Trace element mean concentrations during the pre-industrialized era (before 1850 AD) were no different from the average composition of Earth’s upper crust, except for Cr. Principal component analysis, performed on TEs and tracers, suggests three origins for TEs that we identified as (i) marine biogenic material (Ag, Cd), (ii) ultramafic rocks (Li, Cr, Ni), and (iii) other...
Tipo: Text
Ano: 2018 URL: http://archimer.ifremer.fr/doc/00371/48209/48323.pdf
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Radionuclide deposition in the Rhone River Prodelta (NW Mediterranean sea) in response to the December 2003 extreme flood ArchiMer
Miralles, Jérôme; Arnaud, M; Radakovitch, O; Marion, C; Cagnat, X.
The extreme Rhone River flood that peaked in early December 2003 with water discharges as high as 11,500 m(3) s(-1), induced major damage in southern France and transferred large amounts of radionuclides that were associated with suspended particulate matter such as Be-7, Cs-137 and Pb-210. Specific marine locations in the close vicinity of the Rhone River Mouth were sampled three times in December 2003, February 2004 and April 2004 in order to quantify the consequences of flood events in the Rhone River Prodelta and to investigate the sedimentary depositional patterns through time. The Pb-210(xs) profile analyses in sediment revealed the existence of two particulate matter inputs, one that was related to the December extreme flood and the other to a peak...
Tipo: Text Palavras-chave: Gulf of Lions; Rhone River Prodelta; Extreme flood; Radionuclide deposition.
Ano: 2006 URL: http://archimer.ifremer.fr/doc/2006/publication-2273.pdf
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