About the Authors

Zhiwei Qiu

qiuzhiwei-2008@163.com

Affiliations School of Earth Science and Engineering, Hohai University, Nanjing 211100, China, School of Surveying and Engineering, Henan University of Urban Construction, Pingdingshan 467036, China

Jianping Yue

Affiliation School of Earth Science and Engineering, Hohai University, Nanjing 211100, China

Xueqin Wang

Affiliation School of Earth Science and Engineering, Hohai University, Nanjing 211100, China

Shun Yue

Affiliation School of Earth Science and Engineering, Hohai University, Nanjing 211100, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: ZQ. Analyzed the data: XW. Contributed reagents/materials/analysis tools: SY. Wrote the paper: JY.