1. Nanjing Guochu Science and Technology Research Institute Co., Ltd.,Nanjing,China,211300
2. Jiangsu Hydraulic Research Institute,Nanjing,China,210029
3. Flood and Drought Disaster Prevention and Dispatch Command Center of Jiangsu Province,Nanjing,China,210029
4. Nanjing University of Posts and Telecommunications,Department of Surveying and Geoinformatics,Nanjing,China,210044