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Slide Notes

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Erosion

Published on Nov 21, 2015

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PRESENTATION OUTLINE

BRIAR HILL

Middle school

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VEGETATION

  • The water flows through this ditch
  • Grass prevents further erosion

EXCESS WATER

  • Water drains through this drain
  • It prevents flooding

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  • Concrete holds dirt better than grass

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  • These rocks prevent water from passing

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  • Water flows out the concrete tunnel and into the pond
  • This also prevents dirt to flow into the pond

MAN MADE EROSION

  • These tracks are from a vehicle
  • These tracks have eroded this dirt

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  • Water has eroded this metal
  • Water has also eroded some rough concrete

WATER CONTROL

  • This ditch by the soccer field guides water to the pond

WATER CONTROL

  • This drain pipe on the edge of the pond
  • Prevents the pond from overflowing

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  • Water flowing down this hill has
  • Created erosion