About the Authors

Zhengyang Wang

Roles Project administration, Resources, Software

Affiliation School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing, China

Shufang Tian

Roles Conceptualization, Formal analysis, Methodology

sftian@cugb.edu.cn

Affiliation School of Earth Sciences and Resources, China University of Geosciences (Beijing), Beijing, China

Competing Interests

The authors have declared that no competing interests exist.