Рис. spirale f d ́Ekman s espiral f de Ekman g Ekman-Spirale f El Niño; southern oscillation The abnormal warming of ocean water off the west coast of. Vagn Walfrid Ekman Category:Ekman spiral cawiki Espiral d’Ekman; dewiki Korkenzieherströmung; enwiki Ekman spiral; eswiki Espiral de Ekman; etwiki. elbow EHT~; – rectffier u TV válvula rectificadora de MAT/; – supply n rv spiral n OCEAN espiral de Ekman m elaeolite n MINERAL eleolita / nefelma.

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Journal of Geophysical Research. The speed and direction of the moving water espirxl with depth. On the influence of the Earth’s rotation on ocean currents.

Moving files to Commons for details. The effect is a consequence of the Ee effect which subjects moving objects to an apparent force to the right of their direction of motion in the northern hemisphere and to the left in the Southern Hemisphere.

How Seawater Moves: Ekman Transport

Please verify that this file is suitable for Commons before transferring it. For three years, Nansen and his ship drifted through the Arctic. He thought that trapped in sea ice, which moves with ocean currents, he would get to the North Pole eventually.

The water turns to the left instead of right in the Southern Hemisphere. If this media is not useful, please propose it for deletion or list it at files for discussion.

Because the Earth rotates, surface water moves to the right of the wind direction in the Northern Hemisphere and to the left of the wind direction in the Southern Hemisphere due to the Coriolis effect. Any user may perform this ve refer to Wikipedia: Articles with short description. The depth to which the Ekman spiral penetrates is determined ekjan how far turbulent mixing can penetrate over the course of a pendulum day.


It was moving consistently to the right of the wind direction.

File: – Wikipedia

He did this on purpose. You are here Home. As depth increases, the force transmitted from the driving wind declines and thus the speed of the resultant steady current decreases, hence the tapered spiral representation in the accompanying diagram. This page was last edited on 4 Decemberat Ocean water at the surface moves at an angle to the wind, and the water under the surface water turns a bit more, and the water below that turns even more.

This page was last edited on 25 Augustat The average direction of all this turning water is about a right angle from the wind direction. Summary [ edit ] http: An explorer from Norway named Fridtjof Nansen froze his ship into the Arctic sea ice in Retrieved from ” https: As the flow is now somewhat right of the wind, the Coriolis force perpendicular to the flow’s motion is now partly directed against the wind.

Retrieved from ” https: Navytaken or made as part of that person’s official duties.

From Wikipedia, the free encyclopedia. Archived from the original on Skip to main content. Common to several of these observations spirals were found esppiral be ‘compressed’, displaying larger estimates of eddy viscosity when considering the rate of rotation with depth than the eddy viscosity derived from considering the rate of decay of speed.


Espiral d’Ekman

To help him make a mathematical model of these movements, Ekman used the observations that Fridtjof Nansen made while frozen into the Arctic sea ice. As a work of the U. This file was esprial for transfer by a bot User: If this media file is useful, then it should be transferred to the Wikimedia Commons.

Modelling the mixed layer response”.

All free media Wikipedia orphaned files Files with no machine-readable description Files with no machine-readable author Files with no machine-readable source. Walfrid Ekman who first described the spiral in A structure of currents or winds near a horizontal boundary in which the flow e,man rotates as one moves away from the boundary. But he did have lots of time to make observations of the environment. Views Read Edit View history. This phenomenon would later become known as Ekman transport.

As wind blows across the ocean, it moves water because of friction at the ocean surface. This media file is either in the public domain or published under a free licenseand contains no inbound file links.