Science of dating trees
Heading towards the closet, we passed some equipment used to analyze samples, including computerized measuring systems, which can precisely measure rings, even very narrow ones that are the result of high-stress years.The lab also has an x-ray densitometry system, which helps researchers determine the density of rings, important for discerning if a summer was longer than average in the Arctic.
Claimed older tree ring chronologies depend on the cross-matching of tree ring patterns of pieces of dead wood found near living trees.However, when the interpretation of scientific data contradicts the true history of the world as revealed in the Bible, then it’s the interpretation of the data that is at fault.It’s important to remember that we have limited data, and new discoveries have often overturned previous ‘hard facts’.Today, scientists go beyond dating a tree, using the thousands of tree-ring records to infer glacial activity, climate and forest fires of the past.For some of these events, they look at unique indicators in the tree, such as “scars” from a fire. In the sub-field of dendrochronology, dendroclimatology reconstructs past precipitation or temperatures in the tree sample’s site.
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After this assumption was debunked, scientists from Lamont built on Giddings’ early Arctic work, establishing the Tree Ring Lab in the 1970s.