1. Surface runoffSurface runoff is the water flow that occurs when the soil is infiltrated to full capacity and excess water from rain, meltwater, or other sources flows over the land. This is a major component of the water cycle, and the primary agent in water erosion. Runoff that occurs on surfaces before reaching a channel is also called a nonpoint source. If a nonpoint source contains man-made contaminants, the runoff is called nonpoint source pollution.
Read “Surface runoff” on English Wikipedia
Read “表面流出” on Japanese Wikipedia
Read “Surface runoff” on DBpedia
Read “Surface runoff” on English Wikipedia
Read “表面流出” on Japanese Wikipedia
Read “Surface runoff” on DBpedia
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