1. Guangdong Province Key Laboratory for Coastal Ocean Variation and Disaster Prediction, Guangdong Ocean University, Zhanjiang, China
2. College of Ocean and Meteorology, Guangdong Ocean University, Zhanjiang, China
3. Construction Engineering College, Jilin University, Changchun, China
4. National-Local Joint Engineering Laboratory of In-situ Conversion, Drilling and Exploitation Technology for Oil Shale, Changchun, Jilin, PR China
5. College of Earth Sciences, Jilin University, Changchun, China