1. a SCEGC No. 12 Construction Engineering Group Co., Ltd., Ankang National High-tech Industries Development Zone, Ankang, Shaanxi 725000, China
2. b State Key Joint Laboratory of Environment Simulation and Pollution Control, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, 18 Shuangqing Road, Haidian District, Beijing 100085, China
3. c School of Tourism and Environment, Ankang University, Ankang, Shaanxi 725000, China
4. d Xunyang Branch of Ankang Ecological Environment Bureau, No. 333 Binhe East Road, Dangjiaba, Chengguan Town, Xunyang City, Ankang, Shaanxi 725700, China