Urban Drainage Boundary
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资源简介：
Polygon feature depicting the City of Abbotsford's urban drainage boundary. In highly urbanized areas, moderate to heavy rain storms can create significant amounts of stormwater runoff. A drainage area is an urban version of a natural watershed.
本多边形要素（Polygon feature）用于描绘阿伯茨福德市的城市排水边界。在高度城市化区域，中雨至暴雨可产生大量雨水径流。城市排水汇水区是自然流域的城市化变体。
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City of Abbotsford创建时间：
2021-01-20
