alluvial sediment

• Terme scientifique désignant le sol, le sable, le gravier ou tout autre matériau déposé par l'eau courante, comme les rivières ou les ruisseaux, formant souvent des plaines fertiles ou des deltas.

A scientific term for soil, sand, gravel, or other material deposited by flowing water, such as rivers or streams, often forming fertile plains or deltas.

1. Deposited material by waterC1formal

   Soil, sand, gravel, or other materials deposited by flowing water, such as rivers or streams.

   Sédiment alluvial

   • The valley is rich in alluvial sediment from the ancient river.
   • Farmers benefit from the nutrients in alluvial sediment deposited during floods.
   • Geologists study alluvial sediment to understand past water flow patterns.