drainage area

• Région géographique ou territoire où l'eau des précipitations, comme la pluie ou la fonte des neiges, s'écoule vers un plan d'eau commun tel qu'une rivière, un lac ou un océan. Également connu sous le nom de bassin versant ou bassin hydrographique.

A geographic region or area where water from precipitation, such as rain or snowmelt, flows downhill into a common body of water, such as a river, lake, or ocean. It is also known as a watershed or catchment basin.

1. Watershed or catchment basinB2formal

   A geographical area where all surface water from rain, melting snow, or ice converges to a single point, such as a river, lake, or ocean.

   Bassin versant

   • The Amazon River has the largest drainage area in the world.
   • Urban development can significantly alter a natural drainage area.
   • Scientists study the drainage area to predict flood risks.