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Warming Ocean Could Melt Ice Faster Than Thought

Warming air from climate change isn't the only thing that will speed ice melting near the poles – so will the warming water beneath the ice, a new study points out.

 
 
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PRLog - Jul. 3, 2011 - DENVER -- Warming Ocean Could Melt Ice Faster Than Thought

Wert-Berater, Inc. is a provider of feasibility studies for all types of projects.

Our website is www.wert-berater.com

Phone 888.661.4449

July 3, 2011

Randolph E. Schmid of the Huffington Post   

(WASHINGTON — Warming air from climate change isn't the only thing that will speed ice melting near the poles – so will the warming water beneath the ice, a new study points out.

Increased melting of ice in Greenland and parts of Antarctica has been reported as a consequence of global warming, potentially raising sea levels. But little attention has been paid to the impact of warmer water beneath the ice.

Now, Jianjun Yin of the University of Arizona and colleagues report the warming water could mean polar ice melting faster than had been expected. Their report was published Sunday in the journal Nature Geoscience.

While melting floating ice won't raise sea level, ice flowing into the sea from glaciers often reaches the bottom, and grounded ice melted by warm water around it can produce added water to the sea.

"Ocean warming is very important compared to atmospheric warming because water has a much larger heat capacity than air," Yin explained. "If you put an ice cube in a warm room, it will melt in several hours. But if you put an ice cube in a cup of warm water, it will disappear in just minutes."

In addition, Yin explained, if floating ice along the coastal areas melts it will allow the flow of glaciers to accelerate, bringing more ice into the seas.

"This mean that both Greenland and Antarctica are probably going to melt faster than the scientific community previously thought," co-author Jonathan T. Overpeck said in a statement.

Overpeck, co-director of the University of Arizona's Institute of the Environment, said: "This paper adds to the evidence that we could have sea level rise by the end of this century of around 1 meter and a good deal more in succeeding centuries."

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Source:Wert-Berater, Inc.
Phone:888.661.4449
Zip:80202
City/Town:Denver - Colorado - United States
Industry:Environment, Technology, Biotech
Tags:GLOBAL WARMING, epa, Melting polar ice caps, Jianjun Yin, Jonathan T. Overpeck
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