Maeve Carroll Lohan, University of Southampton, Ocean and Earth Science, Southampton, SO14, United Kingdom, Alastair J.M. Lough, University of Southampton, Ocean and Earth Sciences, National Oceanography Centre, Southampton, United Kingdom, David Gonzalez Santana, Institut Universitaire Européen de la Mer, Université de Bretagne-Occidentale, Plouzané, France, Alessandro Tagliabue, University of Liverpool, Liverpool, United Kingdom and Joseph Resing, NOAA/PMEL, Joint Institute for the Study of the Atmosphere and the Ocean, Seattle, WA, United States