aggradation
/ˌæɡrəˈdeɪʃən/
noun
- The process of a river or other body of water building up its bed or floodplain by depositing sediment, raising the land surface over time.
- Aggradation of the river delta created new farmland over centuries.
- Geologists study aggradation to understand how landscapes change over time.
- Heavy rainfall caused rapid aggradation in the stream, filling it with sand and gravel.
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