What is a delta in geography?


Quick Answer

A delta is an area of land in which a river divides into smaller rivers and empties into a larger body of water. It is also possible to have a delta that empties into land, but it is uncommon.

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What is a delta in geography?
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Full Answer

River deltas form as silt and other materials begin to accumulate around the mouth of a river. As buildup occurs, it creates other streams for the river water to flow into the larger body of water. This causes a larger delta and well-watered lands. These deltas often create wetlands that are full of diverse ecosystems. The first Egyptian people thrived because of the fertile lands of the Nile delta and built the entire Egyptian society around it. These deltas spawn a diverse set of wildlife and plants and often are some of the most fertile places on Earth for agriculture.

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