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Neal Stephenson: Termination Shock

Long Now

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Tree Ring Analysis - The Effects of Volcanic Eruptions on Trees

The long now foundation owns property that's home to a number of ancient bristlecone pine trees. Researchers have been able to sample these and use tree ring analysis to see how the growth rate varied from year to year as a result of changes in weather. The correlations aren't always perfectly one, we see a big drop after tambora down here. But there's other cases where nothing seems to happen.

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