drainage basin

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drainage basin

The river collects water from the entire drainage basin.

Definition
  1. Noun:
    • A geographical area that collects precipitation and surface water, channeling it all to a single outlet point, such as a river mouth or lake: A "drainage basin" is the entire land area where all water that falls as rain or snow and flows on the surface drains into a common river system and ultimately to one outlet.
Usage
  • The term is used in geography, hydrology, environmental science, and land management to describe a fundamental unit for studying water flow, pollution, and ecosystem health.
  • It is a formal, technical term. In everyday conversation, people might use the synonym "watershed" or "catchment area."
Examples
  • Noun:
    • The Mississippi River drainage basin covers a huge portion of the central United States.
    • Protecting forest cover in a drainage basin is crucial for maintaining water quality downstream.
    • The study compared pollution levels in two adjacent drainage basins.
Advanced Usage
  • "Basin management": The practice of managing land and water resources within the entire area of a drainage basin.
    • Effective basin management requires cooperation between all communities living upstream and downstream.
  • "Inter-basin transfer": The diversion of water from one drainage basin to another.
    • The controversial project involved an inter-basin transfer of water to supply the arid city.
Variants and Related Words
  • Watershed (noun): Often used synonymously with "drainage basin," especially in American English. It can also refer specifically to the dividing line (ridge) between two basins.
  • Catchment or Catchment Area (noun): A synonym commonly used in British English and engineering contexts.
  • River Basin (noun): A very common synonym, emphasizing the river system that drains the area.
  • Drainage Area (noun): A more general synonym.
Synonyms
  • Watershed
  • Catchment (area)
  • River basin
  • Catchment basin
  • Drainage area
Related Phrases
  • Basin-wide: Encompassing or affecting an entire drainage basin.
    • A basin-wide approach is needed to solve the water scarcity issue.
drainage basin

The river collects water from the entire drainage basin.

Noun
  1. the entire geographical area drained by a river and its tributaries; an area characterized by all runoff being conveyed to the same outlet
    • flood control in the Missouri basin

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