为了支持北京市岩溶水资源量准确、高效计算，使用均衡法构建区域水资源量计算模块。模块设计以ArcGIS平台为依托，使用C/S模式来构建，模块数据库由空间数据库、属性数据库、影像数据库、元数据库组成。模块主要功能包括：补给量计算、排泄量计算、储存变化量计算、可开采量评价、资源量评价结果专题图制作功能等。经岩溶区试算，证明评价模块的构建为北京岩溶水资源量的准确、高效计算和成果的可视化提供重要的信息技术支持。%In order to support the evaluation of karst water resources in Beijing area,a regional water resource evaluation module based on water balancing method was built. Based on ArcGIS platform and C/S architecture, the module is designed. Module database contains four parts, which are spatial database, attribute database, image database and metadata database. The main function of the module includes:recharge evaluation function, charge evaluation function, storage change evaluation function, water recoverable reserve evaluation function, thematic map production of the resource evaluation result function and so on. An example of karst water resources evaluation was given, which illustrated this evaluation module building for the Beijing karst water resources evaluation are accurate efifcient and visual.
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