1UMR CNRS 6539, Institut Universitaire Européen de la Mer, Technopôle Brest-Iroise, place Nicolas Copernic, F-29280 Plouzané, France
2Lamont-Doherty Earth Observatory, Palisades, New York, USA
3Department of Ecology, Evolution and Marine Biology, UCSB, Santa Barbara, USA
4Department of Marine, Earth and Atmospheric Sciences, NCSU, Raleigh, USA
5Romberg Tiburon Centers, San Francisco State University, Tiburon, USA
6College of Oceanic and Atmospheric Sciences, Oregon State University, Corvallis, , USA
7Fahrbereich Geowissenschaften, University of Bremen, Bremen, Germany
8Department of Marine Chemistry and Geochemistry, WHOI, Woods Hole, USA
9Max Planck Insitut für Meteorologie, Hamburg, Germany
10Centre d'Oceanologie de Marseille, Luminy, France