Surface water leveling areas

GIS file containing the limits of the monitoring areas and decisions as well as thematic information: surface, encoding level areas, drainage areas, names drainage areas, area, summer and winter level, name level decision, date of adoption and approval本数据集为地理信息系统（Geographic Information System，GIS）文件，涵盖监测区域与决策方案的范围边界，同时包含以下专题信息：地表数据、编码分级区域、汇水区、汇水区名称、区域面积、夏季与冬季水位、水位决策名称以及通过与批准日期。