Ekman transport - Revision history

wikademia>Dr. Eme at 18:23, 13 September 2009

2009-09-13T18:23:49Z

← Older revision		Revision as of 18:23, 13 September 2009
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	'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.		'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.
	[[Image:Ekman layer.jpg\|thumb\|320px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]		[[Image:Ekman layer.jpg\|thumb\|320px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]

wikademia>Wikademia at 09:10, 29 March 2009

2009-03-29T09:10:07Z

← Older revision		Revision as of 09:10, 29 March 2009
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	__NOTOC__		__NOTOC__ __NOEDITSECTION__
	'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.		'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.
	[[Image:Ekman layer.jpg\|thumb\|320px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]		[[Image:Ekman layer.jpg\|thumb\|320px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]

wikademia>Wikademia: /* See also */

2009-03-29T09:09:50Z

wikademia>Wikademia at 09:09, 29 March 2009

2009-03-29T09:09:37Z

← Older revision		Revision as of 09:09, 29 March 2009
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	__NOTOC__		__NOTOC__
	'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.		'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.
	[[Image:Ekman layer.jpg\|thumb\|~~350px~~\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]		[[Image:Ekman layer.jpg\|thumb\|320px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]

	In Ekman transport the force of the wind is balanced by the Coriolis effect which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the Northern Hemisphere, and to the left in the Southern Hemisphere. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).		In Ekman transport the force of the wind is balanced by the Coriolis effect which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the Northern Hemisphere, and to the left in the Southern Hemisphere. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).

wikademia>Wikademia at 09:09, 29 March 2009

2009-03-29T09:09:20Z

← Older revision		Revision as of 09:09, 29 March 2009
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	~~{{RightTOC}}~~		__NOTOC__
	[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]

	'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.		'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.
			[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting Ekman spiral is found below it in the column of water.]]

	In Ekman transport the force of the wind is balanced by the Coriolis effect which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the Northern Hemisphere, and to the left in the Southern Hemisphere. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).		In Ekman transport the force of the wind is balanced by the Coriolis effect which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the Northern Hemisphere, and to the left in the Southern Hemisphere. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).

wikademia>Wikademia at 09:08, 29 March 2009

2009-03-29T09:08:41Z

← Older revision		Revision as of 09:08, 29 March 2009
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	[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]		[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]

	'''Ekman transport''', named for [[Vagn Walfrid Ekman]], is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the [[Ekman spiral]].~~<ref>{{cite book~~		'''Ekman transport''', named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the Ekman spiral.
	~~\| last = Stewart~~
	~~\| first = Robert H. Stewart~~
	~~\| authorlink =~~
	~~\| coauthors =~~
	~~\| title = Introduction To Physical Oceanography~~
	~~\| publisher =~~
	~~\| date = September 2008 Edition~~
	~~\| location =~~
	~~\| pages =~~
	~~\| url = http://oceanworld.tamu.edu/resources/ocng_textbook/PDF_files/book.pdf~~
	~~\| doi =~~
	~~\| id =~~
	~~\| isbn = }}~~

	~~</ref>~~ In Ekman transport the force of the wind is balanced by the [[Coriolis effect]] which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the [[Northern Hemisphere]], and to the left in the [[Southern Hemisphere]]. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).		In Ekman transport the force of the wind is balanced by the Coriolis effect which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the Northern Hemisphere, and to the left in the Southern Hemisphere. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).

	==Examples==		==Examples==
	If the transport of water is away from a coast, it creates an [[upwelling]] of deep, nutrient-rich sea water. This has the effect of creating good fishing regions along coasts where this phenomenon occurs.		If the transport of water is away from a coast, it creates an upwelling of deep, nutrient-rich sea water. This has the effect of creating good fishing regions along coasts where this phenomenon occurs.

	==See also==		==See also==
	[[Ekman Layer]]		[[Ekman Layer]]

	~~==References==~~
	~~<references />~~

	==External links==		==External links==

	* [http://www.schonwalder.org/The/Ekman.htm What is Ekman transport ?]		* [http://www.schonwalder.org/The/Ekman.htm What is Ekman transport ?]
	* [http://soconnell.web.wesleyan.edu/ees106/lecture_notes/lecture13_106ocean_cir1/sld010.htm A figure explaining Ekman transport]		* [http://soconnell.web.wesleyan.edu/ees106/lecture_notes/lecture13_106ocean_cir1/sld010.htm A figure explaining Ekman transport]

wikademia>Wikademia at 18:42, 21 March 2009

2009-03-21T18:42:11Z

← Older revision		Revision as of 18:42, 21 March 2009
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			{{RightTOC}}
	[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]		[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]

wikademia>Wikademia at 05:14, 14 March 2009

2009-03-14T05:14:55Z

← Older revision		Revision as of 05:14, 14 March 2009
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	==References==		==References==
	<references/>		<references />

	==External links==		==External links==

wikademia>Academia at 05:08, 14 March 2009

2009-03-14T05:08:05Z

← Older revision		Revision as of 05:08, 14 March 2009
Line 1:		Line 1:
	~~{{Citations missing\|date=April 2007}}~~
	[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]		[[Image:Ekman layer.jpg\|thumb\|350px\|Ekman Transport is the net motion of fluid as the result of a balance between Coriolis and turbulent drag forces. In the picture above, the wind blowing North creates a surface stress and a resulting [[Ekman spiral]] is found below it in the column of water.]]

	'''Ekman transport''', named for [[Vagn Walfrid Ekman]], is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the [[Ekman spiral]].<ref>{{cite book		'''Ekman transport''', named for [[Vagn Walfrid Ekman]], is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is affected by the movement of the layer above (or below in the case of a frictional bottom boundary layer). If the friction between layers is uniform with depth the motion of the water is described by the [[Ekman spiral]].<ref>{{cite book
	\| last = Stewart		\| last = Stewart
Line 15:		Line 15:
	\| id =		\| id =
	\| isbn = }}		\| isbn = }}

	</ref> In Ekman transport the force of the wind is balanced by the [[Coriolis effect]] which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the [[Northern Hemisphere]], and to the left in the [[Southern Hemisphere]]. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).		</ref> In Ekman transport the force of the wind is balanced by the [[Coriolis effect]] which acts perpendicular to the motion of the water. The ocean's surface current is to be the right of direction of surface wind in the [[Northern Hemisphere]], and to the left in the [[Southern Hemisphere]]. The net movement of ocean water due to the wind is perpendicular to the wind (again to the right of the wind in the Northern Hemisphere and to the left in the Southern Hemisphere).
	==Examples==		==Examples==
	If the transport of water is away from a coast, it creates an [[upwelling]] of deep, nutrient-rich sea water. This has the effect of creating good fishing regions along coasts where this phenomenon occurs.		If the transport of water is away from a coast, it creates an [[upwelling]] of deep, nutrient-rich sea water. This has the effect of creating good fishing regions along coasts where this phenomenon occurs.
	==~~Links~~==
			==See also==
	[[Ekman Layer]]		[[Ekman Layer]]

	==References==		==References==
	~~{{reflist}}~~		<references/>

	==External links==		==External links==

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	* [http://soconnell.web.wesleyan.edu/ees106/lecture_notes/lecture13_106ocean_cir1/sld010.htm A figure explaining Ekman transport]		* [http://soconnell.web.wesleyan.edu/ees106/lecture_notes/lecture13_106ocean_cir1/sld010.htm A figure explaining Ekman transport]

	~~{{Oceanic gyres}}~~

	~~{{ocean-stub}}~~
	[[Category:Aquatic ecology]]		[[Category:Aquatic ecology]]
	[[Category:Oceanography]]		[[Category:Oceanography]]
	[[Category:Fluid dynamics]]		[[Category:Fluid dynamics]]

	~~[[de:Ekman-Transport]]~~
	~~[[es:Transporte de Ekman]]~~
	~~[[fr:Transport d'Ekman]]~~
	~~[[no:Ekmantransport]]~~
	~~[[nn:Ekmantransport]]~~

wikademia>Academia: 41 revisions

2009-03-14T05:05:28Z

41 revisions

← Older revision	Revision as of 05:05, 14 March 2009
(No difference)

← Older revision		Revision as of 09:09, 29 March 2009
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	==See also==		==See also==
	[[Ekman Layer]]		* [[Ekman Layer]]

	==External links==		==External links==