The land area where a river collects water is known as its watershed or drainage basin. This is the area of land where all the water that falls within its boundaries flows into a specific river or stream.
it is the land area of water which has around water
This is the 'river catchment'.
watershed
The land beside a river is called a riverbank. It is the area along the edge of the river where the water meets the land.
A water catchment area.
Watershed- the area of land where all of the water drains into a common water body, such as a river, lake, or ocean.
A water catchment area.
Land drained by a river is a watershed. This is an area of land that feeds all the water running under it and draining off of it into a body of water.
Because it is the land area that supplies water to a river system :)
drainage basin!!
delta:)