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News Release 13-037

Earth Is Warmer Today Than During 70 to 80 Percent of the Past 11,300 Years

Reconstruction of Earth history shows significance of temperature rise

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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.

Credit: Thomas Bauska, OSU


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Man standing next to a West Antarctic ice core barrel, at the site.

A West Antarctic Ice Sheet Divide ice core barrel is shown. Cores show past air temperatures.

Credit: Thomas Bauska, OSU


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An ice core taken from the West Antarctic Ice Sheet Divide in its sampling barrel.

An ice core taken from the West Antarctic Ice Sheet Divide is shown in its sampling barrel.

Credit: Thomas Bauska, OSU


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Team of men deploying a core barrel from a research vessel at sea.

Deploying a core barrel from a research vessel; it will bring back sea-floor sediment.

Credit: Nick Pisias, OSU


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Two scientists working in a lab

Sediment cores from the deep ocean tell scientists about past sea surface temperatures.

Credit: Nick Pisias, OSU


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cover of Science magazine

The researchers' results are described in the March 8 issue of the journal Science.

Credit: Copyright AAAS 2013


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