Environmental control networks hydrological

Allows visualization and query vector data and information associated alphanumeric Networks Hydrological Environment Control, as defined in Directive 2000/60 / EC of the European Parliament and of the Council of 23 October 2000 establishing a framework for Community action in the field of water policy in the form of networks.本数据集支持对与水文环境管控相关的字母数字网络相关联的矢量数据及信息进行可视化与查询，此类内容符合2000年10月23日欧洲议会与欧盟理事会发布的2000/60/EC号指令（Directive 2000/60/EC）的定义——该指令以网络形式确立了欧盟水政策领域的行动框架。