+**Runoff** is the flow of [Water](/wiki/Water) across land surfaces, driven by [Gravity](/wiki/Gravity). It occurs when precipitation exceeds the ground's ability to absorb it, channeling into streams, rivers, and eventually oceans.
+## See also
+- [Precipitation](/wiki/Precipitation)
+- [Erosion](/wiki/Erosion)
+- [Flood](/wiki/Flood)
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