Lin Dong
Key Laboratory of Gas Hydrate, Ministry of Natural Resources, Qingdao Institute of Marine Geology, Qingdao 266071, P. R. China
China

Xiaoqiang Liu
School of Energy Resources, China University of Geosciences (Beijing), Beijing 100083, P. R. China
China

Bin Gong
State Key Laboratory of Mining Disaster Prevention and Control Co-founded by Shandong Province and the Ministry of Science and Technology, Shandong University of Science and Technology, Qingdao 266590, P. R. China
China

Yanlong Li
Key Laboratory of Gas Hydrate, Ministry of Natural Resources, Qingdao Institute of Marine Geology, Qingdao 266071, P. R. China; Laoshan Laboratory, Qingdao 266237, P. R. China
China