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From Nordan Symposia
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==Origin==
[http://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] ''valeye'', from Anglo-French ''valee'', from ''val'' valley
*[http://en.wikipedia.org/wiki/14th_century 14th Century]
==Definitions==
*1a : an elongate depression of the [[earth]]'s [[surface]] usually between ranges of hills or [[mountains]]
:b : an area drained by a [[river]] and its tributaries
*2: a low point or condition
*3a : hollow, depression
:b : the place of meeting of two slopes of a roof that form on the plan a reentrant angle
==Description==
In [[geology]], a '''valley''' or dale is a depression with predominant extent in one direction. A very deep [[river]] valley may be called a [http://en.wikipedia.org/wiki/Canyon canyon] or gorge.
The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys. Most valleys belong to one of these two main types or a mixture of them, at least with respect of the cross section of the slopes or hillsides.
A valley in its broadest [[geographic]] sense is also known as a ''dale''. A valley through which a [[river]] runs may also be referred to as a ''vale''. A small, secluded, and often wooded valley is known as a [http://en.wikipedia.org/wiki/Dell_(landform) dell] or in Scotland as a glen. A wide, flat valley through which a river runs is known in Scotland as a ''strath''. A [http://en.wikipedia.org/wiki/Cove_(Appalachian_Mountains) mountain cove] is a small valley, closed at one or both ends, in the central or southern [http://en.wikipedia.org/wiki/Appalachian_Mountains Appalachian Mountains] which sometimes results from the [[erosion]] of a geologic window. A small valley [[surrounded]] by [[mountains]] or ridges is sometimes known as a ''hollow''. A deep, narrow valley is known as a ''coon'' (also spelled ''combe'' or ''coombe''). Similar geological structures, such as [http://en.wikipedia.org/wiki/Canyon canyons], [http://en.wikipedia.org/wiki/Ravine ravines], gorges, [http://en.wikipedia.org/wiki/Gully gullies], and kloofs, are not usually referred to as valleys.[http://en.wikipedia.org/wiki/Valley]
[[Category: Earth Science]]
==Origin==
[http://nordan.daynal.org/wiki/index.php?title=English#ca._1100-1500_.09THE_MIDDLE_ENGLISH_PERIOD Middle English] ''valeye'', from Anglo-French ''valee'', from ''val'' valley
*[http://en.wikipedia.org/wiki/14th_century 14th Century]
==Definitions==
*1a : an elongate depression of the [[earth]]'s [[surface]] usually between ranges of hills or [[mountains]]
:b : an area drained by a [[river]] and its tributaries
*2: a low point or condition
*3a : hollow, depression
:b : the place of meeting of two slopes of a roof that form on the plan a reentrant angle
==Description==
In [[geology]], a '''valley''' or dale is a depression with predominant extent in one direction. A very deep [[river]] valley may be called a [http://en.wikipedia.org/wiki/Canyon canyon] or gorge.
The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys. Most valleys belong to one of these two main types or a mixture of them, at least with respect of the cross section of the slopes or hillsides.
A valley in its broadest [[geographic]] sense is also known as a ''dale''. A valley through which a [[river]] runs may also be referred to as a ''vale''. A small, secluded, and often wooded valley is known as a [http://en.wikipedia.org/wiki/Dell_(landform) dell] or in Scotland as a glen. A wide, flat valley through which a river runs is known in Scotland as a ''strath''. A [http://en.wikipedia.org/wiki/Cove_(Appalachian_Mountains) mountain cove] is a small valley, closed at one or both ends, in the central or southern [http://en.wikipedia.org/wiki/Appalachian_Mountains Appalachian Mountains] which sometimes results from the [[erosion]] of a geologic window. A small valley [[surrounded]] by [[mountains]] or ridges is sometimes known as a ''hollow''. A deep, narrow valley is known as a ''coon'' (also spelled ''combe'' or ''coombe''). Similar geological structures, such as [http://en.wikipedia.org/wiki/Canyon canyons], [http://en.wikipedia.org/wiki/Ravine ravines], gorges, [http://en.wikipedia.org/wiki/Gully gullies], and kloofs, are not usually referred to as valleys.[http://en.wikipedia.org/wiki/Valley]
[[Category: Earth Science]]
