catchment-basin

catchment-basin

A river's catchment-basin collects water from many streams and hills.

Definition
  1. Noun:
    • A geographical area draining into a river, lake, or reservoir: A "catchment-basin" is the region of land from which water (especially rainfall) flows into a specific water body, such as a river, lake, or artificial reservoir. It is also known as a drainage basin or watershed.
    • A structure for collecting water: In engineering or hydrology, a "catchment-basin" can refer to a constructed container or channel designed to capture and store rainwater or runoff.
Usage Examples
  • Noun:
    • The Amazon River has the largest catchment-basin in the world. (The region of land that drains into the Amazon River is the most extensive.)
    • The city built a new catchment-basin to supply drinking water during droughts. (A man-made structure was created to collect and store rainwater.)
    • Farmers rely on the catchment-basin for irrigation. (The natural drainage area provides water for crops.)
Advanced Usage

  • "to fall within a catchment-basin": to be located in an area that drains into a particular water body.

    • The village falls within the catchment-basin of the nearby lake. (The village is part of the region that sends water to the lake.)

  • "catchment-basin management": the practice of controlling water flow and quality within such an area.

    • Proper catchment-basin management prevents soil erosion and flooding. (Managing the drainage region reduces environmental damage.)
Variants and Related Words

  • Catchment (n): the act of catching or collecting water; also, the area from which water is collected.

    • The catchment for this reservoir extends over 100 square kilometers. (The area supplying water to the reservoir.)

  • Basin (n): a bowl-shaped depression or container; also, a drainage area.

    • The river basin is fertile for farming. (The low-lying land around the river.)
Synonyms
  • Drainage basin: the area of land where water drains into a common outlet.
  • Watershed: the boundary separating drainage basins; often used synonymously with drainage basin in non-technical contexts.
  • Catchment area: the region from which water flows into a river, lake, or reservoir.
Related Idioms