Peter Griffin posted in climate change • tree ring on February 22nd, 2010.
Eloise Gibson of the NZ Herald reports that scientists are trying to explain an anomaly in tree-ring temperature data. Tree-ring records are a good measure for temperature, at least until the 1950s. Since then, however, there has been a divergence between what the tree rings say, and what recorded temperatures were. An excerpt: (read in […]
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