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Erosion and Deposition

Erosion and Deposition. Erosion = moving sediments (particles) Deposition = sediment stops moving. *Gravity and Water are biggest factors* 1. Streams 2. Glaciers Landslides Wind Waves. Gravity Pu lls material from high elevations to low. Stream Evolution. Youth (Head)

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Erosion and Deposition

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  1. Erosion and Deposition Erosion = moving sediments (particles) Deposition = sediment stops moving. *Gravity and Water are biggest factors* 1. Streams 2. Glaciers • Landslides • Wind • Waves

  2. Gravity Pulls material from high elevations to low

  3. Stream Evolution Youth (Head) mountains, steep slopes V-shaped valley Mature = gentle slopes, stream begins to meander. meander = to wander

  4. V-Shaped Valley

  5. Stream Evolution

  6. Delta- the deposition of sediments that creates a triangular land mass. Mouth where stream enters ocean or lake. Delta forms here

  7. Alluvial Fan (like a delta, but dry)

  8. Deposition Large particles settle more quickly than smaller particles.

  9. Running Water High velocity carries larger particles. As the velocity decreases large particles are deposited first

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