数据集 活动流 关于 排序 相关度 按名称升序 按名称降序 最后修改时间 热门 Go 找到1个数据集 过滤结果 Groundwater Vulnerability Map For South Africa This study developed a national groundwater vulnerability map for South Africa using a modified DRASTIC approach called the DRASTIC Specific Vulnerability Index (DSVI), which... sbx prj pdf dbf csv zip shp shx sbn