drainage basin

area where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water

  • river basin
  • water basin
  • catchment area
  • river basin district
  • watershed

Data type



Use the most specific item available. Items for smaller basins should be used instead of items for bigger basins that include the smaller ones. (English)
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If a river flows directly into the open sea or pretty much, do not create an item for its basin, use the item for the basin of the ocean or sea. You should create an item for a basin only when there are ~ 25+ other items that can be linked to it. (English)
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