geol225

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Author:
Anonymous
ID:
14316
Filename:
geol225
Updated:
2010-04-13 16:23:50
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geol225
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Description:
running water
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  1. What is the hydrologic (water) cycle?
    describes the continuous movement of water on, above and below the surface of the Earth
  2. What is a stream?
    • A stream is a body of water that carries rock particles and
    • dissolved ions and flflows down slope along a clearly defifined
    • path, called a channel.
  3. What are the 3 parts of a stream?
    Headwaters =Source water area

    Trunk= Main channel of the stream

    • Mouth =End of the stream
    • • Oceans
    • • Lakes
    • • Desert
  4. What’s a drainage basin?
    • A drainage basin is a region of land where water
    • (from rain or snow) drains downhill into a body of
    • water (or possibly a desert floor).
  5. Basins are separated by one another by what?
    Divide
  6. Where is the velocity of a stream the
    highest?
    • Straight streams: Maximum velocity in
    • center

    • Curved streams: Maximum velocity shifts
    • towards outer banks
  7. What is gradient?
    Slope of a river bed, in feet per mile or m/km

    Usually steeper in upstream sections

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