Stream and River Erosion

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by fullenkampc
Last updated 5 years ago

Earth Sciences

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Stream and River Erosion

The Mississippi River

When the river deposits its load at its mouth, a fan-shaped feature called a delta can form.

Fast-moving water can carry more sediment that slow-moving water

Deposition can also drop sediment at the mouths of rivers forming a delta. Deposition also occurs when a slow-moving river curves around obstacles.

A fast moving river carves out a river channel as it carries sediment downstream. Eventually, the channel grows wider and deeper.

Floods can also cause rapid erosion and deposition. During aflood, fast-moving water can erode large amounts of rock andsoil from the sides of rivers or from the land it is flowing over.

River ' Stream Erosion

Sediment sometimes settles on the inside curves of the river., sometimes cuting off the stream to form an oxbow lake, called that because of its shape.

When flood water slow down, they cannot support all the sediment they picked up. Thus much of the sediment is deposited along the banks of the river or stream.

Water Erosion -When water travels down the same slope time after time, it wears a path. - The movement of soil and rock from one place to another is erosion.

Mouth of a river, delta

The sediment a stream carries is its load. Light load gets carried by water currents, heavier load just rolls along the bottom of the stream channel.

River systems- streams, rills, gullies located upstreams feed into the main water system that includes the major river.

A meander is a broad bend in a river or stream. As time passes, erosion of the outer bank increases the bend.

Once you have completely read the glogster, ask you teacher for the "Stream Development Building" Activity


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