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Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
Earth 6.2
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Transcript

  • 1. 6.2 The Work Of Streams
    Angel Gomez
    Per1
    6/29/11
  • 2. Bed Load
    Sediment that carried by a stream along the bottom of its channel.
  • 3. Capacity
    The total amount of sediment a stream is able to transport.
  • 4. Alluvium
    Alluvium is the sorted material deposited by as stream.
  • 5. Delta
    Delta is an accumulation of sediments formed where a stream enters a lake or ocean.
  • 6. Natural Levee
    Natural Levee is a landform that parallels some streams.
  • 7. Floodplain
    The flat, low-lying portion of a stream valley subject to periodic flooding.
  • 8. Flood
    Occurs when the discharge of a stream becomes so great that it exceeds the carrying capacity of its channel and overflows its bank.
  • 9. Drainage basin
    The land area that contributes water to a stream.
  • 10. Divide
    An imaginary line that separates the drainage of two streams often found along ridges.
  • 11. Key Concepts
    How do streams erode their channels?
    What causes floods?
    What is the relationship between stream and a drainage basin?
    How do streams transport sediments?
  • 12. How Does streams erode their channels?
    Streams generally erode their channels lifting loose particles by abrasion grinding, and dissolving soluble material.
  • 13. What causes floods?
    Most floods are caused by rapid spring snow melt or storms that bring heavy rains over a large region.
  • 14. What is the relationship between stream and a drainage basin?
    Every stream has a drainage basin, A drainage basin is the land area that contributes water to a stream.
  • 15. How do streams transport sediments?
    Streams transport sediment in three ways
    In solution
    In suspension
    Scooting or rolling along the bottom

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