Research article | Highlight paper |
| 22 Aug 2018
Dissolved Pb and Pb isotopes in the North Atlantic from the GEOVIDE transect (GEOTRACES GA-01) and their decadal evolution
Cheryl M. Zurbrick,Edward A. Boyle,Richard J. Kayser,Matthew K. Reuer,Jingfeng Wu,Hélène Planquette,Rachel Shelley,Julia Boutorh,Marie Cheize,Leonardo Contreira,Jan-Lukas Menzel Barraqueta,François Lacan,and Géraldine Sarthou
Cheryl M. Zurbrick
Earth, Atmospheric and Planetary Sciences, Massachusetts Institute
of Technology, Cambridge, MA 02139, USA
Earth, Atmospheric and Planetary Sciences, Massachusetts Institute
of Technology, Cambridge, MA 02139, USA
Richard J. Kayser
Earth, Atmospheric and Planetary Sciences, Massachusetts Institute
of Technology, Cambridge, MA 02139, USA
Matthew K. Reuer
Earth, Atmospheric and Planetary Sciences, Massachusetts Institute
of Technology, Cambridge, MA 02139, USA
Jingfeng Wu
Earth, Atmospheric and Planetary Sciences, Massachusetts Institute
of Technology, Cambridge, MA 02139, USA
College of Life Science and
Oceanography, Shenzhen University, Shenzhen, China
Hélène Planquette
Laboratoire des Sciences
de l'Environnement Marin (LEMAR), Institut Universitaire Europeìen de la
Mer, Technopoôle Brest-Iroise, 13 Plouzaneì 29280, France
Laboratoire des Sciences
de l'Environnement Marin (LEMAR), Institut Universitaire Europeìen de la
Mer, Technopoôle Brest-Iroise, 13 Plouzaneì 29280, France
Earth, Ocean and Atmospheric Science, Florida State
University, Tallahassee, FL 32306, USA
Julia Boutorh
Laboratoire des Sciences
de l'Environnement Marin (LEMAR), Institut Universitaire Europeìen de la
Mer, Technopoôle Brest-Iroise, 13 Plouzaneì 29280, France
Marie Cheize
Laboratoire des Sciences
de l'Environnement Marin (LEMAR), Institut Universitaire Europeìen de la
Mer, Technopoôle Brest-Iroise, 13 Plouzaneì 29280, France
Leonardo Contreira
Universidade Federal do Rio Grande (FURG), Institute of
Oceanography, Rio Grande, Brazil
LEGOS, Laboratoire d'Etudes en Géophysique et
Océanographie Spatiales, Université de Toulouse, CNRS/CNES/IRD/UPS,
Observatoire Midi Pyrénées, 14 Avenue Edouard Belin, 31400 Toulouse,
France
Géraldine Sarthou
Laboratoire des Sciences
de l'Environnement Marin (LEMAR), Institut Universitaire Europeìen de la
Mer, Technopoôle Brest-Iroise, 13 Plouzaneì 29280, France
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During a French cruise in the northern North Atlantic Ocean in 2014, seawater samples were collected for dissolved Pb and Pb isotope analysis. Lead concentrations were highest in subsurface water flowing out of the Mediterranean Sea. The recently formed Labrador Sea Water (LSW) is much lower in Pb concentration than older LSW found in the West European Basin. Comparison of North Atlantic data from 1981 to 2014 shows decreasing Pb concentrations down to ~ 2500 m depth.
During a French cruise in the northern North Atlantic Ocean in 2014, seawater samples were...
