Monitoring and Evaluating Aquatic Environment in Mining Subsidence Supported by 3D GIS

The ponding subsidence zone induced by mining cannot be ignored, at the same time, along with the expanding of mining area, water area also increased year by year. To promote resources management effectively and achieve the goal of resources use, monitoring and evaluating aquatic environment in mining subsidence supported by 3D GIS was to be carried out. This information system was established based on 3D GIS, and spatial database to manage multi-source heterogeneous data was proposed in this article, whose core was to spatial modeler, visualization and 3D spatial analysis. The structure and function and key technologies of the 3D GIS system were also studied in this paper, which emphasized on integration of aquatic environment data, water environment monitoring and evaluation model, 3D spatial analysis. The results show that this system can integrate the multi-source heterogeneous spatial data and related properties data into the whole body, demonstrate graphical visualization and analyze compositely. So using this system for resource management in mine area has strong practicability.