Long Profile and Channel Characterisitics

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  • Created by: Hello-
  • Created on: 01-04-14 19:01
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  • The Long Profile and Channel Characterisitics
    • Upper Course
      • Vertical erosion (hydraulic action, abrasion and attrition)
      • Traction and Saltation at high flow
      • Load size is large and angular
      • V-Shaped valleys
    • Middle Course
      • Channel is deeper and wider
      • More Lateral erosion as vertical erosion is decreasing
      • Suspension is the main transportation type
    • Lower Course
      • Channel is wide and deep (May be tidal)
      • Deposition is much more important than erosion
      • Fine material deposited
      • Large amount of load but the size is small and rounded

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