Nicholas Beaird, Rutgers University, New Brunswick, NJ, United States, Fiammetta Straneo, Scripps Institution of Oceanography, La Jolla, CA, United States, Isabela Alexander-Astiz Le Bras, Woods Hole Oceanographic Inst, Woods Hole, MA, United States, Robert S Pickart, Woods Hole Oceanographic Institution, Woods Hole, MA, United States and William J Jenkins, WHOI, Woods Hole, MA, United States