Karman vortices in clouds

Karman vortices in clouds

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This image is part of the feature Weird Cloud Atlas
This image is part of the feature Earth As Art


Caption: Von Karman cloud vortices, satellite image. These cloud vortices (swirls down left) have been caused by the peak of Alexander Selkirk Island (bottom left) disrupting wind-blown clouds (white). Known as von Karman vortices, this phenomenon occurs at all levels, and is important in many areas of air and fluid flow. Alexander Selkirk Island rises 1.6 kilometres above the southern Pacific Ocean. Image acquired in infrared wavelengths on 15 September 1999 by the Enhanced Thematic Mapper Plus (ETM+) sensor on NASA's Landsat 7 satellite.

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Keywords: 1999, alexander selkirk, atmosphere, atmospheric, climate, cloud, cloud types, clouds, earth observation, enhanced thematic mapper plus, environment, environmental, etm, etm+, fluid dynamics, from space, geographical, geography, infrared, island, landsat 7, meteorological, meteorology, mountain, ocean, pacific, physics, satellite, sea, september, seven, topographical, topography, von karman vortices, vortice, water, weather, wind, windy

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