floodplain

• Plaine basse située le long d'un cours d'eau, formée principalement par des dépôts fluviaux et sujette à des inondations périodiques lors des crues.

A low-lying area of land next to a river, formed mainly from river sediment and prone to flooding.

1. Low-lying land near a riverB2formal

   A flat area of land next to a river that is made mostly of sediment deposited by the river and is prone to flooding.

   plaine d'inondation

   • The floodplain provides fertile soil for farming after the waters recede.
   • Building homes on a floodplain is risky due to frequent flooding.
   • The river's floodplain supports a diverse ecosystem of plants and animals.

   Synonymesalluvial plainbottomland