About the Authors

Jizhe Xia

Affiliation Department of Geography and GeoInformation Science, George Mason University, Fairfax, Virginia, United States of America

Kevin M. Curtin

curtin@gmu.edu (KMC); hongweili9981@163.com (WL)

Affiliation Department of Geography and GeoInformation Science, George Mason University, Fairfax, Virginia, United States of America

Weihong Li

curtin@gmu.edu (KMC); hongweili9981@163.com (WL)

Affiliation School of Geography, South China Normal University Tianhe Park, Tianhe, Guangzhou, China

Yonglong Zhao

Affiliation School of Geography, South China Normal University Tianhe Park, Tianhe, Guangzhou, China

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: KMC JX WL YZ. Performed the experiments: JX KMC. Analyzed the data: JX KMC. Contributed reagents/materials/analysis tools: JX KMC. Wrote the paper: JX KMC. Experimental data: WL YZ.