Explore: Drainage Basins

body of water, such as a lake or ocean. A basin is separated from adjacent basins by a perimeter, the drainage divide, made up of a succession of elevated

The list of drainage basins by area identifies basins (also known as "catchments" or, in North American usage, "watersheds"), sorted by area, which drain

water drainage flows into permanent and seasonal lakes and swamps that equilibrate through evaporation. Endorheic basins are also called closed basins, terminal

southeastern drainage divide borders the interior drainage of the northern Great Basin. To the northeast the region borders the basins of the Saskatchewan

Geomorphologists and hydrologists often view streams as part of drainage basins (and sub-basins). This is the topographic region from which a stream receives

relief will also have a higher drainage density than other drainage basins if the other characteristics of the basin are the same. When determining the

perform this task. Catch basins act as the first-line pretreatment for other treatment practices, such as retention basins, by capturing large sediments

drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins.

into those channels and is separated from adjacent basins by a drainage divide. Major drainage basins are coded by hierarchy within the National Catchment

The Hudson Bay drainage basin is the drainage basin in northern North America where surface water empties into the Hudson Bay and adjoining waters. Spanning