Yangyang Zhao, Princeton University, High Meadows Environmental Institute, Princeton, United States, Laure Resplandy, Princeton University, Princeton, NJ, United States, Xianhui Wan, State Key Laboratory of Marine Environmental Science, Xiamen University, Xiamen, China, Fan Yang, Princeton University, Department of Geosciences, Princeton, NJ, United States, Dr. Enhui Liao, PhD, Shanghai Jiao Tong University, School of Oceanography, Shanghai, China and Bess B Ward, Princeton University, Department of Geosciences, Princeton, United States