1. Key Laboratory of Submarine Geosciences, Second Institute of Oceanography, SOA, Hangzhou 310012, China
2. Department of Geology and Geophysics, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
3. China Ocean Mineral Resources R&D Association, Beijing 100860, China
4. Department of Geophysics, School of Earth & Space Sciences, Peking University, Beijing 100871, China
5. Department of Applied Physics and Ocean Engineering, Woods Hole Oceanographic Institution, Woods Hole, Massachusetts 02543, USA
6. China University of Geosciences, School of Ocean Sciences, Beijing 100083, China