Overland Flow
Water
The flow of rainwater or snowmelt over the land surface toward stream channels. After it enters a watercourse it becomes runoff.
- — Service Hydrologist Reference Manual Glossary of Hydrologic Terms retrieved 2014-06-01
Weather
In hydrologic terms, the flow of rainwater or snowmelt over the land surface toward stream channels. After it enters a watercourse it becomes runoff.