Mackenzie Delta Tree Ring Chronology From 467 BP

520 calendar years of tree ring data from the Deadwood site in Canada's Mackenzie Delta, covering the period from 467 to -53 years before present. This paleoclimatology study was archived by NOAA's National Centers for Environmental Information. The dataset was last updated in 2003.

Use Cases

• Reconstruct past temperature or precipitation anomalies using the tree ring width chronology.
• Calibrate climate models by comparing the ring-based proxy record with instrumental data for the region.
• Analyze growth patterns to identify extreme climate events or disturbances within the 520-year time series.
• Study ecological responses to climate change in the Northwest Territories using the dated tree ring series.

Strengths

• Time series spans 520 calendar years, providing a multi-century climate record.
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• The dataset's last update was in 2003, limiting access to recent methodological improvements or recalibrations.
• Specific sample depth, measurement statistics, and potential geographic bias within the Mackenzie Delta are unknown from the description.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

467 to -53 calendar years before present (BP).

Freshness

null

Geography

Deadwood site, Mackenzie Delta, Northwest Territories, Canada.