Earth and Atmospheric Sciences

Researchers Discover Fate of Melting Glacial Ice


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Over the past several decades, scientists have observed a significant increase in the melting of glacial land ice on the island of Greenland, spurring concerns about global sea level rise and the long-term effects of atmospheric warming. What has been less clear, however, is what happens to this meltwater once it enters the ocean.
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Greenland meltwater

A team from Rutgers University and the University of Georgia, led by Asa Rennermalm of Rutgers, measures meltwater runoff from the ice sheet margin in Greenland during summer 2013 (photo by Thomas Mote, UGA).

El Nino wreaking havoc on coral reef


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Kim Cobb, of School of Earth and Atmospheric Sciences, interviewed on the Today Show on April 23 about coral reefs dying because of El Nino
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Kim Cobb, of School of Earth and Atmospheric Sciences, interviewed on the Today Show on April 23 about coral reefs dying because of El Nino.

http://www.today.com/video/el-nino-wreaking-havoc-on-coral-reef-672309827920

The Cozier the Better for Bubbles Inside Powerful Volcanoes


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Study examines paths of vapor bubbles inside volcanoes and how they affect eruptions
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How did the eruptions of Katmai, Taupo and Santorini grow into a massive blast that spewed fine ash, sulfur and crystal-poor magma into the atmosphere? New research from Georgia Institute of Technology and Eidgenössische Technische Hochschule Zurich (ETH) suggests they occurred due in part to how light vapor bubbles migrate and accumulate in some parts of shallow volcanic chambers. The findings are published in the most recent issue of Nature.

The Largest Coral Atoll In The World Lost 80 Percent Of Its Coral To Bleaching


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Over the past two weeks, a team of researchers led by Julia Baum, a biologist at the University of Victoria and Kim Cobb, a climate scientist at Georgia Tech, has been stationed at Kiritimati, and via hundreds of dives they have taken comprehensive measurements of the reef’s health, or lack thereof in this case.
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Over the past two weeks, a team of researchers led by Julia Baum, a biologist at the University of Victoria and Kim Cobb, a climate scientist at Georgia Tech, has been stationed at Kiritimati, and via hundreds of dives they have taken comprehensive measurements of the reef’s health, or lack thereof in this case.

Read more in this Think Progress story.

Why dead coral reefs could mark the beginning of ‘dangerous’ climate change


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The island of Kiritimati is one of the world’s most remote places — one of several dozen atolls making up the tiny island nation of Kiribati, a speck in the Pacific Ocean more than a thousand miles south of Hawaii. But, isolated as it is, news of its devastated coral is turning heads around the world. A recent expedition has revealed that the reefs around Kiritimati have suffered a catastrophic mass die-off — an event that epitomizes what may be an ugly truth about the ability of coral reefs around the world to adapt to the growing threat of climate change.

Climate-Related Death of Coral Around World Alarms Scientists


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Kim Cobb, of the School of Earth and Atmospheric Sciences, talks with The New York Times.
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Kim Cobb, of the School of Earth and Atmospheric Sciences, talks with The New York Times about climate-related threats to coral reefs:

http://www.nytimes.com/2016/04/10/world/asia/climate-related-death-of-coral-around-world-alarms-scientists.html

Beyond Record Hot, February Was Astronomical and Strange


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Georgia Tech climate scientist Kim Cobb said she normally doesn't concern herself much with the new high temperature records that are broken regularly. However...
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Georgia Tech climate scientist Kim Cobb said she normally doesn't concern herself much with the new high temperature records that are broken regularly.

Atmospheric Sulfate Particles Reduced, but as Acidic as Ever


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When acidic materials are spilled, the clean-up procedure involves adding a base chemical to neutralize the acid. Up to a point, the more base added, the more neutral and less toxic the spill becomes. Something very similar is happening in the atmosphere.
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"Hearing" the Explosions in North Korea


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Turn up the volume on your computer because Associate Professor Zhigang Peng is allowing people to hear what the explosions sounded like when their signals rumbled through the ground.
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From Christmas Island to People's Choice


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Congratulations to Pamela Grothe, a Ph.D. student in the School of Earth and Atmospheric Sciences, on winning 3rd place as well as being chosen as the “People's Choice” in the inaugural Georgia Tech "Three-minute thesis" (3MT®) competition.
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Congratulations to Pamela Grothe, a Ph.D. student in the School of Earth and Atmospheric Sciences, on winning 3rd place as well as being chosen as the “People's Choice” in the inaugural Georgia Tech "Three-minute thesis" (3MT®) competition.
The 3MT® concept was developed at the University of Queensland in Australia and it has spread around the globe. Doctoral students compete with oral presentations, strictly limited to three minutes and using only one Powerpoint slide, on their thesis topic.

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