{"id":{"repo_id":"vt","oai_identifier":"oai:vtechworks.lib.vt.edu:10919/41786"},"canonical_url":"https://search.dev.ndltd.org/etd/vt/oai:vtechworks.lib.vt.edu:10919/41786","repository":{"repo_id":"vt","name":"Virginia Tech","base_url":"https://vtechworks.lib.vt.edu/oai/request"},"display":{"title":"The development and application of a technique in dendrochronology","abstract":"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.","abstract_html":"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.","abstract_has_math":false,"creators":["Ferguson, James Montgomery"],"institution":"Virginia Tech","degree_name":"Master of Science","degree_level":"masters","degree_discipline":"Entomology","degree_department":"Entomology","school":null,"contributors":[],"advisors":[],"committee_chairs":["Heikkenen, Herman John"],"committee_members":["Giles, Robert H. Jr.","Pienkowski, Robert L."],"year":1979,"date_issued":"1979-05-16","date_published":"1979-05-16","updated_at":"2026-07-22T22:19:07Z","subjects":[],"languages":[],"rights":["In Copyright"],"rights_urls":["http://rightsstatements.org/vocab/InC/1.0/"],"identifier_entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-03242009-040930"],"render_values":[{"text":"etd-03242009-040930","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/10919/41786","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.committeechair","label":"Committee Chair","values":["Heikkenen, Herman John"]},{"key":"dc:contributor.committeemember","label":"Committee Member","values":["Giles, Robert H. Jr.","Pienkowski, Robert L."]},{"key":"dc:contributor.department","label":"Department","values":["Entomology"]},{"key":"dc:creator","label":"Author","values":["Ferguson, James Montgomery"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2014-03-14T21:32:23Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2014-03-14T21:32:23Z","2009-03-24"]},{"key":"dc:date.issued","label":"Date","values":["1979-05-16"]},{"key":"dc:publisher","label":"Institution","values":["Virginia Tech"]},{"key":"dc:type","label":"Dc Type","values":["Thesis"]},{"key":"dc:type.dcmitype","label":"Dc Type Dcmitype","values":["Text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Entomology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["masters"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Master of Science"]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["Virginia Polytechnic Institute and State University"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:rights","label":"Dc Rights","values":["In Copyright"]},{"key":"dc:rights.uri","label":"Rights URI","values":["http://rightsstatements.org/vocab/InC/1.0/"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.other","label":"Dc Identifier Other","values":["etd-03242009-040930"]},{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/10919/41786"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["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."]},{"key":"dc:description.degree","label":"Dc Description Degree","values":["Master of Science"]},{"key":"dc:format.medium","label":"Dc Format Medium","values":["BTD"]},{"key":"dc:format.mimetype","label":"Dc Format Mimetype","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["The development and application of a technique in dendrochronology"]}]}],"canonical_facts":{"dc:contributor.committeechair":["Heikkenen, Herman John"],"dc:contributor.committeemember":["Giles, Robert H. Jr.","Pienkowski, Robert L."],"dc:contributor.department":["Entomology"],"dc:creator":["Ferguson, James Montgomery"],"dc:date.accessioned":["2014-03-14T21:32:23Z"],"dc:date.available":["2014-03-14T21:32:23Z","2009-03-24"],"dc:date.issued":["1979-05-16"],"dc:description.abstract":["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."],"dc:description.degree":["Master of Science"],"dc:format.medium":["BTD"],"dc:format.mimetype":["application/pdf"],"dc:identifier.other":["etd-03242009-040930"],"dc:identifier.uri":["http://hdl.handle.net/10919/41786"],"dc:publisher":["Virginia Tech"],"dc:rights":["In Copyright"],"dc:rights.uri":["http://rightsstatements.org/vocab/InC/1.0/"],"dc:title":["The development and application of a technique in dendrochronology"],"dc:type":["Thesis"],"dc:type.dcmitype":["Text"],"thesis:degree_discipline":["Entomology"],"thesis:degree_level":["masters"],"thesis:degree_name":["Master of Science"],"thesis:institution_name":["Virginia Polytechnic Institute and State University"]},"updated_at":"2026-07-22T22:19:07Z"}