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NOAA/WDS Paleoclimatology archives a tree ring chronology from Wakuach Lake, Quebec, Canada. The data provides annual tree ring measurements covering the period from 109 to -38 calendar years before present. This dataset was created by Schweingruber and last updated via the NOAA National Centers for Environmental Information in 1988.
Users must cite this study when using the data, as specified by the archive. The calendar year 'BP' (Before Present) dating convention requires understanding for correct temporal interpretation.