About the Authors

Lei Shi

Affiliation College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing, China

Shuqing Zhao

Affiliation College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing, China

Zhiyao Tang

Affiliation College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing, China

Jingyun Fang

jyfang@urban.pku.edu.cn

Affiliation College of Urban and Environmental Sciences, and Key Laboratory for Earth Surface Processes of the Ministry of Education, Peking University, Beijing, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: LS JYF. Analyzed the data: LS SQZ ZYT. Wrote the paper: LS SQZ ZYT JYF.