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Water Erosion
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What you should learn from these notes.

• What process is most responsible for shaping the
  earths land.
• What are some features formed by water erosion.
• What are some land features formed by river
  deposition.

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Runoff and Erosion

• Moving water causes the most erosion on the
  earths surface.
• Moving water is a powerful force.
• Water is heavy. 1 gallon equals 8 pounds

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Valleys like this are carved from the land by
moving water in the river.
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Water has enough force to move huge boulders and
other sediment during floods.
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Moving Water

• Runoff water that moves across the earths
  surface.
• From a small amount of water moving down the
  street to a large river.

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Moving Water
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Moving Water

• Stream a channel along which water is
  continually flowing down slope.
• River is a large stream.
• Creeks are small streams.

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Moving Water

• Through erosion, rivers create
• Valleys
• Waterfalls
• Floodplains
• Meanders
• Oxbow lakes

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Floodplain
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Meander
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Oxbow Lake
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Deposits By Rivers

• Rivers deposit sediment to form many types of
  landforms
• Alluvial fans
• deltas

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Alluvial Fans
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Deltas
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Review

• What process is most responsible for shaping the
  earths land.
• What are some features formed by water erosion.
• What are some land features formed by river
  deposition.

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