Title page for ETD etd-03242009-040930

Type of Document Master's Thesis
Author Ferguson, James Montgomery
URN etd-03242009-040930
Title The development and application of a technique in dendrochronology
Degree Master of Science
Department Entomology
Advisory Committee
Advisor Name Title
Heikkenen, Herman John Committee Chair
Giles, Robert H. Jr. Committee Member
Pienkowski, Robert L. Committee Member
  • Tree-rings
Date of Defense 1979-05-16
Availability restricted

A dendrochronological technique was developed. It relies upon developing relative annual ring-width indices, and identifying unusually high yearly agreement in two or more samples. These agreements in the tree growth ring indices are called key years. Statistical procedures are developed for evaluating goodness of fit among sets of tree-ring samples.

A study was conducted in Surry County, Virginia which tested methods of analyzing key-year patterns over a wide area. Cross-dating of trees utilizing key-year patterns from living trees and old building timbers was successfully accomplished in Montgomery County, Virginia.

Key-year pattern data from both counties were used in a study of the correlation of key-year patterns with the Palmer Drought Index, to the occurrence of forest insect outbreaks, and to forest fires. The results showed a correlation in each case.

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