Camille Wardlaw, Woods Hole Oceanographic Institution, Applied Ocean Physics and Engineering, Woods Hole, United States; Massachusetts Institute of Technology, Electrical Engineering and Computer Science, Cambridge, United States, Andone C Lavery, Oregon State University, College of Earth, Ocean, and Atmospheric Oceanography, Corvallis, United States and Julien Bonnel, Scripps Institution of Oceanography, Marine Physical Laboratory, La Jolla, United States