1. School of Civil Engineering, Guangzhou University, Guangzhou 510006, China
2. Earth System Science Programme, Faculty of Science, The Chinese University of Hong Kong, Shatin, Hong Kong 999077, China
3. Gold Leaf Production and Mamufacturing Center, China Tobacco Henan Industrial Co., Ltd., Zhengzhou 450000, China
4. School of Water Conservancy and Civil Engineering, Zhengzhou University, Zhengzhou 450001, China