Ann P McNichol, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Robert M Key, Princeton Univ, Princeton, NJ, United States, Robert J Schneider, Woods Hole Oceanographic Institution, Geology and Geophysics, Woods Hole, MA, United States, Karl F Von Reden, WHOI, Woods Hole, MA, United States, Glenn A Jones, Texas A&M University at Galveston, Marine Sciences, Galveston, TX, United States and NOSAMS