Roger Lukas, University of Hawaii at Manoa, Honolulu, HI, United States, Fernando Santiago-Mandujano, University of Hawaii, Honolulu, United States, Robert A Weller, WHOI, Monument Beach, MA, United States, James T Potemra, Univ Hawaii, Honolulu, United States, Albert J Plueddemann, Woods Hole Oceanographic Institution, Woods Hole, United States and Sebastien P Bigorre, WHOI, Woods Hole, United States