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Friday, March 08, 2013

Recent Heat Spike



Recent Heat Spike Unlike Anything in 11,000 Years


  • AB18345

FRANK CEZUS


Research released Thursday in the journal Science uses fossils of tiny marine organisms to reconstruct global temperatures back to the end of the last ice age. It shows how the globe for several thousands of years was cooling until an unprecedented reversal in the 20th century.
WASHINGTON: A new study looking at 11,000 years of climate temperatures shows the world in the middle of a dramatic U-turn, lurching from near-record cooling to a heat spike./.../

Reconstruction of Earth history shows significance of temperature rise
Scientist looking at an ice core from the West Antarctic Ice Sheet Divide coring site.
Scientists look at an ice core from the West Antarctic Ice Sheet Divide coring site.
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March 7, 2013
With data from 73 ice and sediment core monitoring sites around the world, scientists have reconstructed Earth's temperature history back to the end of the last Ice Age.
The analysis reveals that the planet today is warmer than it's been during 70 to 80 percent of the last 11,300 years.
Results of the study, by researchers at Oregon State University (OSU) and Harvard University, are published this week in a paper in the journal Science.

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