drainage area

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drainage area

The map shows the drainage area of the river.

Definition
  1. Noun:
    • A watershed; the entire geographical area drained by a river and its tributaries: A "drainage area" is a region of land where all precipitation and surface water flow converges into a single river system, ultimately reaching the same outlet, such as an ocean or lake.
    • A catchment basin: It is an area characterized by all water runoff being conveyed to the same point.
Usage Examples
  • Noun:
    • The Mississippi River's drainage area covers a significant portion of the United States.
    • Effective land management within a drainage area is crucial for water quality downstream.
    • The flood control project focused on the entire drainage area of the Missouri basin.
Advanced Usage
  • "to delineate a drainage area": to map or define the boundaries of a watershed.
    • Hydrologists used topographic maps to delineate the drainage area.
  • "urban drainage area": a catchment basin significantly altered by urban development, affecting runoff patterns.
    • The city's engineers designed new systems to manage stormwater in the urban drainage area.
Variants and Related Words
  • Watershed (n): A synonym for drainage area; the dividing line between two catchment basins.
  • Catchment (n): The action of collecting water, or the area from which water is collected.
  • River basin (n): Often used interchangeably with drainage area, emphasizing the river system.
  • Drainage basin (n): A direct synonym for drainage area.
Synonyms
  • Watershed
  • Catchment basin
  • River basin
  • Catchment area
Related Phrases
  • Drainage system: The network of natural and artificial channels that carry water from a drainage area.
    • The aging drainage system could not handle the volume of runoff from the drainage area.
  • Drainage divide: The boundary (often a ridge) separating adjacent drainage areas.
    • The mountain range forms the drainage divide between the two major basins.
Related Concepts
  • Runoff: Water from rain or snowmelt that flows over the land surface, eventually entering a drainage area's streams.
  • Outlet: The single point (e.g., a river mouth) where all water from a drainage area discharges.
  • Tributary: A river or stream that flows into a larger river within a drainage area.
drainage area

The map shows the drainage area of the river.

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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