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dendrochronologybiology
tree core sampling
physical sciences
forestry
black spruce
jack pine
driftwood
climatology
climate change
tree growth
climatic history
4 dossier(s) trouvé(s) portant l’étiquette "trees" (les projets pluriannuels sont regroupés):
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Jack Pine Forest Research
chercheur principal: Osawa, Akira
Année(s) de permis: 1994
Résumé: The researcher will conduct research on jack pine forests along the highways in Wood Buffalo National Park and will also collect stem increment cores from black spruce trees around the latitudinal tree line near Inuvik. This research will consist of remeasurement of permanent plots, foliage distribution and light measurement, establishment of pruning experiment and stem core sampling near Inuvik....
Année(s) de permis: 1994
Résumé: The researcher will conduct research on jack pine forests along the highways in Wood Buffalo National Park and will also collect stem increment cores from black spruce trees around the latitudinal tree line near Inuvik. This research will consist of remeasurement of permanent plots, foliage distribution and light measurement, establishment of pruning experiment and stem core sampling near Inuvik....
Dendrochronology of Arctic Driftwood
chercheur principal: Eggertsson, Olafur
Année(s) de permis: 1990
Résumé: The Researcher will sample about 100-200 driftwood logs using a chain-saw to cut off a 1-2 cm plate about 0.5 m inside the end of each log. The material will be shipped to Lund University laboratory for examination....
Année(s) de permis: 1990
Résumé: The Researcher will sample about 100-200 driftwood logs using a chain-saw to cut off a 1-2 cm plate about 0.5 m inside the end of each log. The material will be shipped to Lund University laboratory for examination....
Extensive Dendrochronological Reconstruction of Temperature in the Northern Hemisphere: North American Boreal Zone
chercheur principal: Jacoby, Gordon C.
Année(s) de permis: 1994 1989
Résumé: The object of this research is to reconstruct past climate in order to understand how the climate system works, and what past natural variations may be expected based upon this information. This project is to sample old-aged trees and to assemble enough coverage to reconstruct regional and Hemispheric temperatures for the most recent centuries....
Année(s) de permis: 1994 1989
Résumé: The object of this research is to reconstruct past climate in order to understand how the climate system works, and what past natural variations may be expected based upon this information. This project is to sample old-aged trees and to assemble enough coverage to reconstruct regional and Hemispheric temperatures for the most recent centuries....
Licence #2777
chercheur principal: Jacoby, Gordon C. Jr.
Année(s) de permis: 1982
Résumé: To collect core samples from trees for later annual ring studies that will provide information on the climate during the history of the tree....
Année(s) de permis: 1982
Résumé: To collect core samples from trees for later annual ring studies that will provide information on the climate during the history of the tree....
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