The boundary of the drainage basin is called a drainage divide. Sometimes drainage basin is called catchment area referring to an area where water flows into a stream or a number of streams. In North America drainage basin is also called Watershed.
The major drainage basin of South America is the Amazon River. The river has a total basin area of 5,883,400 square kilometers.
The largest river in the world by volume of water discharge is the Amazon River in South America. The largest drainage basin in the world is also the Amazon River Basin, covering an area of about 7 million square kilometers.
Drainage basin is also called catchment, catchment area, catchment basin, drainage area, river basin, and water basin. It is an area of land. All water that falls on that land flows into one river.
The Amazon with a drainage basin of 2,270,000 square miles.
The largest known river basin in the United States is the Mississippi
It has the largest drainage basin in the world. The longest is the Nile.
Amazon River
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What is the largest drainage basin in the US?
that is what is called a basin
The Amazon River Drainage Basin is the area of south America that drains into the Amazon river. It is located in eight countries including Bolivia, Brazil, Columbia, Ecuador, Guyana, Peru, Suriname and Venezuela.