geol225

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What is the hydrologic (water) cycle?

describes the continuous movement of water on, above and below the surface of the Earth
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.
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
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).
Basins are separated by one another by what?

Divide
Where is the velocity of a stream the
highest?
- Straight streams: Maximum velocity in
- center
- Curved streams: Maximum velocity shifts
- towards outer banks
What is gradient?

Slope of a river bed, in feet per mile or m/km

Usually steeper in upstream sections

Author

14316

Card Set

geol225

Description

running water

Updated

2010-04-13T20:23:50Z

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