Yongxin Hu, School of Civil Engineering and Architecture, Shaanxi University of Technology, China; Ronglin Tang, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, China; Xiaoguang Jiang, University of Chinese Academy of Sciences, China; Yazhen Jiang, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, China; Meng Liu, Zhao-Liang Li, Institute of Agricultural Resources and Regional Planning, Chinese Academy of Agricultural Sciences, China; Jie Yan, School of Civil Engineering and Architecture, Shaanxi University of Technology, China; Haixia Zhang, Bureau of Housing & Urban-Rural Development and Management, LiuBa, China