Drainage basins are the principal hydrologic unit considered in fluvial geomorphology. A drainage basin is the source for water and sediment that moves from higher elevation through the river system to lower elevations as they reshape the channel forms.

2019年6月8日 · The word "watershed" is sometimes used interchangeably with drainage basin or catchment. Ridges and hills that separate two watersheds are called the drainage divide. The watershed consists of surface water --lakes, streams, reservoirs, and wetlands --and all the underlying groundwater .

2025年1月10日 · drainage basin, area from which all precipitation flows to a single stream or set of streams. For example, the total area drained by the Mississippi River constitutes its drainage basin, whereas that part of the Mississippi River drained by the Ohio River is …

2024年7月19日 · A watershed is an entire river system—an area drained by a river and its tributaries. It is sometimes called a drainage basin.

A drainage basin is an area of land drained by a river and its tributaries. Drainage basins are also known as river basins or catchment area. When it rains in this area, the water goes towards the main river, either over the land or underground, and ends up at the river’s mouth.

2017年4月25日 · What Is A Drainage Basin? A drainage basin is also known as a catchment basin and is an area where surface water from different sources like the melting snow, ice, or water from rain converge or drain to a single point usually of lower elevation.

What is a drainage basin? A drainage basin, also known as a watershed or catchment area, is an area of land where all the water that falls within its boundaries drains into a particular river or other body of water.

A drainage basin is the area of land that is drained by a river and its tributaries. When a droplet of water falls onto the land (as precipitation), gravity will make sure that the water is ...

Drainage basins A river's water can fluctuate over time. Understanding the hydrological cycle is useful in order to understand how and why the amount of water fluctuates.

A drainage basin comprises the land through which the water drains and the water channels that flow through it. Drainage basins come in all shapes and sizes, and can be classified according to the pattern of channels within the basin, which is often influenced by the underlying geology.