drainage basin

• منطقة من الأرض تتجمع فيها مياه الأمطار أو ذوبان الثلوج والجليد وتصرف إلى نقطة واحدة مثل نهر أو بحيرة أو محيط، ويحدها عادة مرتفعات كالتلال أو السلاسل الجبلية.

An area of land where all surface water from rain, melting snow, or ice converges to a single point, such as a river, lake, or ocean, typically bounded by higher terrain like hills or ridges.

1. Geographic areaB2formal

   An area of land where all surface water from rain, melting snow, or ice converges to a single point, usually the exit of a basin, where the waters join another waterbody, such as a river, lake, reservoir, estuary, wetland, sea, or ocean.

   حوض التصريف

   • The Amazon River has the largest drainage basin in the world.
   • The drainage basin of the Mississippi River covers parts of 31 US states.
   • Heavy rainfall in the drainage basin caused the river to flood.