Tingting Zheng, Tongji University, Shanghai, China, Jian Lin, Woods Hole Oceanographic Inst, G & G, Woods Hole, MA, United States, Hans Schouten, Woods Hole Oceanographic Institution, Woods Hole, MA, United States, Deborah K Smith, National Science Foundation, Arlington, VA, United States, Ross E Parnell-Turner, Scripps Institution of Oceanography, La Jolla, United States, Brian E Tucholke, Woods Hole Oceanographic Institution, Department of Geology and Geophysics, Woods Hole, MA, United States, Johnson R Cann, University of Leeds, Leeds, United Kingdom and Emily M Klein, Duke University, Durham, NC, United States