Funding for this research was provided by:
National Natural Science Foundation of China (41804169, 41906197)
Project of China Geological Survey (DD20191002)
Basic Scientific Research Special Fund Project of Second Institute of Oceanography, MNR (JP1902)
National key research and development plan (SQ2018YFF020145)
Natural Science Foundation of Zhejiang Province, China (LQ18D040001)
COMRA Major Project under contract (DY135-S1-01-06)
Article History
Received: 10 August 2020
Accepted: 26 September 2020
First Online: 8 October 2020
Competing interests
: The authors declare that they have no competing interests.