American Geophysical Union

Annual Arctic sea ice less reflective than old ice

In the Arctic Ocean, the blanket of permanent sea ice is being progressively replaced by a transient winter cover. In recent years the extent of the northern ocean's ice cover has declined. The summer melt season is starting ...

May 17, 2012
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In the Greek isles, a volcano has awakened

In 1650 B.C.E., a series of massive volcanic eruptions decimated the ancient seafaring Minoan civilization. Over the next 4 millennia, the largely subaquatic Santorini caldera had a series of smaller eruptions, with five ...

Apr 23, 2012
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Uranus auroras glimpsed from Earth

(Phys.org) -- For the first time, scientists have captured images of auroras above the giant ice planet Uranus, finding further evidence of just how peculiar a world that distant planet is. Detected by means ...

Apr 13, 2012
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Reforestation efforts reshape Hawaii's soil hydrology

Starting with the arrival of Polynesian settlers in the fourth century, and peaking in the mid-1800s, the destructive forces of wildfires and pests and the grazing of feral pigs, goats, and cattle reduced the native forests ...

Mar 31, 2012
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Improving plume forecasts using Fukushima data

Forecasting how plumes of particles, such as radioactive particles from a nuclear disaster, will be transported and dispersed in the atmosphere is an important but computationally challenging task. During the Fukushima nuclear ...

Mar 31, 2012
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