Difference between revisions of "AY Honors/Waterfalls/Answer Key"

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Some waterfalls form in [[mountain|mountain]] environments where erosion is rapid and stream courses may be subject to sudden and catastrophic change.  In such cases, the waterfall may not be the end product of many years of water action over a region, but rather the result of relatively sudden geological processes such as [[thrust fault]]s or [[volcano|volcanic action]].
 
Some waterfalls form in [[mountain|mountain]] environments where erosion is rapid and stream courses may be subject to sudden and catastrophic change.  In such cases, the waterfall may not be the end product of many years of water action over a region, but rather the result of relatively sudden geological processes such as [[thrust fault]]s or [[volcano|volcanic action]].
  
hi Maya!!!!!!!
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IT'S NOAH!
  
 
==Types of waterfalls==
 
==Types of waterfalls==

Revision as of 22:13, 8 December 2005

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Hopetoun Falls near Otway National Park, Victoria, Australia

A waterfall is usually a geological formation resulting from water, often in the form of a stream flowing over an erosion-resistant rock formation that forms a sudden break in elevation. Waterfalls may also be artificial, and they are sometimes used for garden and landscape ornament.

Some waterfalls form in mountain environments where erosion is rapid and stream courses may be subject to sudden and catastrophic change. In such cases, the waterfall may not be the end product of many years of water action over a region, but rather the result of relatively sudden geological processes such as thrust faults or volcanic action.

IT'S NOAH!

Types of waterfalls

Cascade-style waterfall in Oregon, United States.
Block
Water descends from a relatively wide stream or river.
Cascade
Water descends a series of rock steps.
Cataract
A large waterfall.
Fan
Water spreads horizontally as it descends while remaining in contact with bedrock.
Horsetail
Descending water maintains some contact with bedrock
Plunge
Water descends vertically, losing contact with the bedrock surface
Punchbowl
Water descends in a constricted form, then spreads out in a wider pool.
Segmented
Distinctly separate flows of water form as it descends.
Tiered
Water drops in a series of distinct steps or falls.

Examples of large waterfalls

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Gallery

External links

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da:Vandfald de:Wasserfall eo:Akvofalo es:Cascada et:Juga fr:Chute d'eau he:מפל מים it:Cascata ja:滝 nl:Waterval no:Foss nn:Foss pl:Wodospad pt:Cachoeira (cascata) sl:Slap sv:vattenfall