Tree Ring Chronology From Bras d'Or Lake Northwest Territories

155 to -38 calendar years before present (BP) of tree ring data from the Northwest Territories, Canada. This paleoclimatology study provides parameters for dendrochronological analysis and climate reconstruction. The dataset is archived by the NOAA National Centers for Environmental Information (NCEI) under the World Data Service for Paleoclimatology.

Use Cases

• Reconstruct historical temperature or precipitation anomalies from the tree ring width parameter.
• Calibrate climate models by comparing the tree ring chronology against instrumental records for the overlapping period.
• Analyze growth patterns and extreme events captured in the tree ring data to infer past ecological stress.
• Cross-date this chronology (ITRDB CANA046) with other regional tree ring datasets to improve spatial climate reconstructions.

Strengths

• Covers a 193-year period from 155 to -38 BP, providing a multi-century climate proxy.
• Part of the authoritative International Tree Ring Data Bank (ITRDB) collection curated by NOAA NCEI.
• Includes precise geographic location data for the Bras d'Or Lake site in Northwest Territories.

Limitations

• Temporal coverage is relatively short for paleoclimate studies at under 200 years.
• Data is from a single site (CANA046), limiting spatial representativeness for the region.
• The dataset was last updated in 1988, indicating potential staleness in metadata or availability.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI) World Data Service for Paleoclimatology.

Collection Method

Tree ring data collection and analysis (dendrochronology) by Schweingruber.

Time Range

155 to -38 calendar years before present (BP).

Freshness

null

Geography

Bras d'Or Lake, Northwest Territories, Canada.