dWeir

The dWeir layer contains various in-channel overflow and overland-flow control structures for the Sarasota County Stormwater Utility. The 'd' prefix designates 'drainage'.dWeir层（dWeir layer）包含各类服务于萨拉索塔县雨水公用事业部门的渠道内溢流与地表径流管控构筑物，其中"d"前缀代表"排水（drainage）"。