Tree ring cross dating

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For more information about this peer-reviewed scholarly journal, please email the Editor of Tree-Ring Research at [email protected]

A crossdating program for tree-ring research has been written to compare ring patterns of individual trees and composites.

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The program written in FORTRAN calculates the t value for correlation at every point of overlap of the two chronologies.

The program is small enough to be used on a routine basis with a large number of trees.

As the chronologies must be free from errors, the program is more suited to the study of oaks than coniferous trees.

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Over time, these yearly growth layers form a series of light and dark concentric circles, or tree rings, that are visible on cross sections of felled trees.There are many reasons why a cookie could not be set correctly.Below are the most common reasons: This site uses cookies to improve performance by remembering that you are logged in when you go from page to page.For pine (O time series were more strongly correlated than ring-width series.