23 Jun '12, 1pm

Volcanoes, Clouds, and Swirling Winds [image] #NASA

Volcanoes, Clouds, and Swirling Winds [image] #NASA

Zavodovski Island is but five miles wide, uninhabited by humans, and about as remote a place as you can find on Earth. It is the northernmost in the chain of the volcanic South Sandwich Islands, and its dominant feature is Mount Curry volcano. Yet this tiny bud of land can do compelling things to the sky around it. The natural-color image above shows the interplay of low-level volcanic emissions, clouds, islands, and winds in the far South Atlantic (or Southern Ocean). It was acquired on April 27, 2012, by the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite. Previous research has shown that low-level volcanic emissions (as opposed to explosive eruptions) can affect the atmosphere, and that appears to be what is happening here. Mount Curry has been known to emit steady streams of gases and aerosols—tiny solid and liquid particles. Aerosols are...

Full article: http://earthobservatory.nasa.gov/IOTD/view.php?id=78352&s...

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mrbrown.com: Image is everything

mrbrown.com: Image is everything

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earthobservatory.nasa.gov 23 Jun '12, 10pm

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navy.mil 25 Jun '12, 2pm

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