noun
- the process of building up land surfaces by the deposition of sediment, or the deposits themselves
Usage: geology
Examples
- The river’s aggradations created fertile floodplains over thousands of years.
- Geologists studied the aggradations in the delta to understand ancient climate patterns.
- Heavy rainfall caused significant aggradations in the valley bottom.
- The aggradations of sand and silt gradually raised the riverbed.
- Coastal aggradations formed new beaches along the shoreline.
- Scientists measured the rate of aggradations in the estuary.