The New Chart at the Top of the Page

The new chart is from the Penny Glacier on Baffin Island in northern Canada. The last data point from this core is a 25 year average from 1967-1992. One interesting fact about Baffin Island is that it contains the last remnants of the Laurentide Ice Sheet that once covered large parts of North America.

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Ice Core Data: Truths and Misconceptions

Overview (Scientific Content below) There have been a variety of discussions in the past week about what ice core data tells us. There are several misconceptions about what information the ice core data contains. Some people believe that it is the air bubbles trapped in the ice that tell the temperature history of the Earth […]

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