Alluvium
/əˈluːviəm/noun
A deposit of clay, silt, and sand left by flowing floodwater in a river valley or delta.
During the flood, alluvium was deposited, which improved the soil's fertility.
Often appears as...
- alluvial deposit
- alluvial soil
Usage tips
Formal
Academic
Definition 1 of 1
Pro Tip 1/3Geography Term
Alluvium is often used in geography and earth sciences to explain land formations.
The valley's fertile alluvium supports diverse agriculture.
Pro Tip 2/3Natural Processes
Understanding alluvium requires knowledge of natural processes like river flooding and sediment deposition.
River banks overflow, spreading alluvium across the floodplain.
Pro Tip 3/3Soil Fertility
Alluvium is associated with fertile soil, beneficial for farming and plant growth.
Farmers prefer alluvium, as it yields abundant crops.
Compare with
depositgravelresiduumsandsedimentsiltsoil
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