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Dendrochronology is a dating method in which the annual rings of trees are assigned to a specific, known growing time based on their different width. In dendrochronology the density of the latewood, those wood cells formed during the latter half of a treeʼs growing season, is a very powerful indicator of past temperature variations, traditionally requiring complex and expensive machines to measure.
A less expensive and accessible option is to scan the latewood and to analyze the RGB blue-channel variations, which are very well correlated with density. In order to retrieve comparable color measurements from different scanners, and to monitor a scannerʼs blue-channel sensitivity over time, the dendrochronologists in Bhutan use SilverFast Ai Studio to calibrate scanners and to scan latewood samples. |
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Paul J. Krusic, Dept. of Geography, University of Cambridge: « We are sincerely grateful for the LaserSoft Imaging gift and the contribution it made to the the success of our program. »
More informationen on the Bhutan Fieldweek. More informationen on dendrochronology on Wikipedia.org. |
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