Earth Surface Processes
Deltas are landforms created at the mouth of a river, where it meets a standing body of water, like an ocean or lake. They form from the accumulation of sediment carried by the river as the flow slows down upon entering the larger body of water, allowing the particles to settle and build up over time. Deltas are crucial for understanding sediment transport and coastal processes, as they illustrate how rivers interact with coastal currents and how sediments are redistributed in these environments.
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