Carl Richter, University of Louisiana at Lafayette, Geosciences, Lafayette, LA, United States, Gary D. Acton, Texas A&M University, International Ocean Discovery Program, College Station, United States, Natalia Sidorovskaia, University of Louisiana at Lafayette, Department of Physics, Lafayette, United States, Kenneth L Verosub, Univ California Davis, Davis, CA, United States and Chuang Xuan, National Oceanography Centre, Southampton, United Kingdom