Alluvial Fan

Alluvial fan is a fan shaped deposit where fast flowing stream flattens, slows, and spreads.

Boulders are found at the mouth. There is a fast loss of energy as the river meets the valley bottom. Smaller particles are outside the fan.

Fluvial Environment

Fluvial environment there are rivers. 

 Sediment found in the environment can vary. There are large and small particles. Sand and rocks are under the water.

Lakes

 Situated in a topographic depression or dammed river channel.

Sediment found in this environment are both large and small. There may be coral at the bottom. Sand is also at the bottom.

Deserts

In deserts there is very little to no precipitation. It is very dry and hot.

sediments found here is sand.

Swamps

A wetland with large bodies of shallow water. It is covered with aquatic vegetation.

Sediment in this environment can be sand and rocks under the water.

Deltas

   Landforms created at the mouth of a river where the river flows into another body of water.

The bottom of this environment contain smaller grains. At the top there are larger particles.

Beaches

  Landform along a shoreline of body of water.

Sediments that are here are sand, rock, gravel, and pebbles.