Surface flow is when water from the rain runs on the surface into the ocean.
They believe that it is from water flow.
surface runoff (also known as overland flow or terrestrial runoff) is the unconfined flow of water over the ground surface, in contrast to channel runoff (or stream flow)
When the ground water flow out of the earth surface as a form of spring.
When the ground water flow out of the earth surface as a form of spring.
A spring is where water can flow naturally onto the surface.
Where the ground water leakage direction meet into the surface water is called Base flow.
A waterfall is a steep fall or flow of water.
Runoff
Surface water will collect in hollows, ditches, reservoirs, add to the water table, etc.
Surface water flows downhill or seeps into the ground becoming groundwater. The natural flow of surface water is downhill or seaward. See the related link for more information.
water flow which occurs during or after rain, when soil is infiltrated to full capacity and excess water.