A drainage basin is an area of land in which all flowing surface water converges to a single point, such as a river mouth, or flows into another body of...

An endorheic basin (/ˌɛndoʊˈriː.ɪk/ EN-doh-REE-ik; also endoreic basin and endorreic basin) is a drainage basin that normally retains water and allows...

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

geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They are...

The Columbia River drainage basin is the drainage basin of the Columbia River in the Pacific Northwest region of North America. It covers 668,000 km2 or...

Drainage density is a quantity used to describe physical parameters of a drainage basin. First described by Robert E. Horton, drainage density is defined...

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

The Murray–Darling Basin is a large geographical area in the interior of southeastern Australia, encompassing the drainage basin of the tributaries of...

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...

Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most...

region, where Mesopotamian civilization first emerged. The Tigris–Euphrates Basin is shared between Turkey, Syria, Iraq, and Iran. Many tributaries of the...

Drainage Basin A, is one of the drainage basins of South Africa. The main river in this system is the Limpopo River. It is subdivided into 9 sub-drainage...

A drainage basin is an extent of land where water from rain and melting snow or ice drains downhill into a body of water, such as a river, lake, reservoir...

length marks part of the border between Senegal and Mauritania. It has a drainage basin of 270000 km2 (100000 sq mi), a mean flow of 680 m3/s (24,000 cu ft/s)...

Consequently, while six countries have a coastline on the sea, its drainage basin includes parts of 24 countries in Europe. The Black Sea, not including...

against. The river is approximately 1,750 km (1,090 mi) long, with a drainage basin of 415,000 km2 (160,000 sq mi) in size. The mean discharge measured...

The Mississippi River is the primary river of the largest drainage basin in the United States. From its traditional source of Lake Itasca in northern Minnesota...

The Lake Eyre basin (/ɛər/ AIR) is a drainage basin that covers just under one-sixth of all Australia. It is the largest endorheic basin in Australia and...

that form part of the boundaries of the U.S. state of Iowa; ordered by drainage basin, with tributaries indented under each larger river's name; ordered alphabetically...

of West Africa, extending about 4,180 kilometres (2,600 miles). Its drainage basin is 2,117,700 km2 (817,600 sq mi) in area. Its source is in the Guinea...

The Gulf of Mexico (Spanish: Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, mostly surrounded by the North American continent...

in a drainage basin Drainage system (agriculture), a system by which water is drained on or in the soil to enhance production Sustainable drainage system...

of rivers of the U.S. state of Tennessee: This list is arranged by drainage basin, with respective tributaries indented under each larger stream's name...

in Canada, whose direct surface runoff and watersheds form a large drainage basin that feeds into the lakes. It is generally considered to also include...

Rivers flow in channeled watercourses and merge in confluences to form drainage basins, areas where surface water eventually flows to a common outlet. Rivers...

sea North Polar Basin into two oceanic basins: the Eurasian Basin, which is 4,000–4,500 m (13,100–14,800 ft) deep, and the Amerasian Basin (sometimes called...

rivers in the U.S. state of South Carolina: This list is arranged by drainage basin, from north to south, with respective tributaries indented under each...

are complex with different sub-basins often exhibiting different, and distinct, drainage patterns. These complex drainage systems have developed in a setting...

them except for the last. The Indus Basin consists of various topographical regions. A large part of the drainage basin is mountainous, and around 40% of...

following are included on most lists of the African Great Lakes, grouped by drainage basin. The exact number of lakes considered part of the African Great Lakes...