River deltas are formed through the processes of sediment deposition, where sediment carried by the river is deposited as the river slows down upon reaching a larger body of water, such as an ocean or lake. Over time, this accumulation of sediments creates landforms that extend outward from the river mouth, while natural processes like tides, waves, and currents shape the delta's structure. The ongoing interaction between sediment transport and deposition continues to build and modify the delta over time.
in 2-3 sentences, explain the processes that form river deltas. (4 points)
1 answer