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The process that removes undesirable long-term variations from a time series of measured tree-ring properties by dividing the actual measurements by those predicted from a statistically derived equation that relates tree growth over time to tree age.

Usually this process tries to remove the growth trends due to normal physiological aging processes and changes in the surrounding forest community.

= word = the science of): The science that uses tree rings dated to their exact year of formation to analyze temporal and spatial patterns of processes in the physical and cultural sciences.

The science that uses tree rings to date when timber was felled, transported, processed, or used for construction or wooden artifacts.

An auger-like instrument with a hollow shaft that is screwed into the trunk of a tree, and from which an increment core (or tree core) is extracted using an extractor (a long spoon inserted into the shaft that pulls out the tree core).

These instruments are quite expensive, normally ranging from 0 to 0.

This principle states that matching patterns in ring widths or other ring characteristics (such as ring density patterns) among several tree-ring series allows the identification of the exact calendar (or relative) year in which each tree ring was formed.I'm sure, over time, we may find that one or more principles below are not really needed or that new principles need to be introduced. This principle was most applied to reconstructions of past climate, assuming that the climate response seen in trees during modern times was the same as the climate response in trees during previous times.Study after study has now shown this not to be the case.We DO NOT give "possible" dates or dates with a plus or minus factor!While crossdating is the central principle in dendrochronology, cognitive classification is the central concept of (successful) crossdating. Tree-ring scientists rely heavily on visual inspection and microscopic examination of wood specimens so that we can ensure that we have assigned the correct calendar (or relative) year to the tree ring.

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