Based on the systematic collection of Xi'an geological and hydrogeological research results,the Xi’an 3D hydrogeological structure visualization model is developed,using Environmental Visualization System(EVS-Pro) ,one of the advanced 3D geological modeling software.The model developed can display the overall shape of the 3D hydrogeological structure model in Xi’an,the 3D structure of the single aquifer (weak permeability) ,the north-south section at any X position (Km network coordinates abscissa) or the east-west section at any Y position ( Km network coordinates ordinate) and the 3D visualization fence diagrams by the combination of sections at many X and Y positions. The developed model can also clearly show the internal details of the Xi'an 3D hydrogeological structure visualization model. The model lays an important hydrogeological foundation for the accurate assessment,planning and management of the groundwater resources in Xi'an.%在系统收集并整理西安水文地质研究资料的基础上,利用先进的三维地质建模软件-环境可视化系统EVS-Pro,构建了西安三维水文地质结构可视化模型.所建模型可以展示西安三维水文地质结构体整体形态、单个含(弱透)水层的三维结构、任意位置的南北向剖面或东西向剖面及三维可视化栅栏图,从而清楚地显示模型内部的各个细节,更直现地展示西安地下水的赋存条件,为准确地评价、规划和管理西安地下水资源,防治因地下水过量开采引起的环境地质灾害奠定重要的水文地质基础.
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