Runoff, rill, gully, stream, and river.
RunoffRillGullyStreamRiver
A rill is a much smaller channel. From Sabreena :)
Stream, river. rivulet, beck, watercourse, rill
Rills are small channels formed by flowing water on a slope, gullies are larger and deeper channels typically caused by erosion, and streams are larger bodies of moving water that can support aquatic life and flow towards a larger body of water like a river or ocean.
The four types of water erosion are sheet erosion, rill erosion, gully erosion, and streambank erosion. Sheet erosion occurs when water flows evenly over a surface, rill erosion happens when small channels are formed in the soil, gully erosion involves larger channels, and streambank erosion is the wearing away of stream banks.
gully
rill erosion takes place when flowing water curves out numerous closely spaced thin chanels while flowing down steep slopes.when rill erosion becomes wider and deeper it forms a heavy type of erosion called gully erosion.
water runnoff
It is a Rill.
gully or maybe a rill if it is smaller
Gully erosion is typically more damaging than rill erosion. Gully erosion is characterized by deep channels that can significantly alter landscapes and lead to more extensive land degradation compared to the shallow channels in rill erosion. The impacts of gully erosion can be more severe in terms of sediment loss, habitat destruction, and infrastructure damage.
The fish were really biting near the rill in the stream.