Alejandra Sanchez-Rios, University of Hawaii at Manoa, Honolulu, United States, Jennifer A MacKinnon, University of California San Diego, Scripps Institution of Oceanography, La Jolla, United States, John A. Colosi, Woods Hole Oceanographic Institution, Department of Applied Ocean Physics and Engineering, Woods Hole, United States and Megan S Ballard, Applied Research Laboratories at the University of Texas at Austin, Austin, United States