Tree Ring Width Chronology From Mackenzie Delta Timber Site

421 calendar years of tree ring width data from a site in the Northwest Territories, Canada, extending from 421 to -53 years before present. This paleoclimatology study was archived by NOAA's National Centers for Environmental Information and last updated in 2003.

Use Cases

• Reconstruct historical temperature or precipitation anomalies by analyzing the tree ring width time-series as a climate proxy.
• Calibrate climate models for the Arctic region using the dated tree ring chronology spanning several centuries.
• Study ecological responses to past climate events by examining growth patterns in the ring width data.
• Perform cross-dating with other regional tree ring chronologies using the established year-by-year index.

Strengths

• Chronology covers a 421-year time period.
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -53 BP, making the most recent data over two millennia old and not directly applicable to modern climate studies.
• The dataset is from a single site (Timber Site, Mackenzie Delta), limiting spatial representativeness.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

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

Freshness

Last updated in 2003; static archival dataset.

Geography

Timber Site, Mackenzie Delta, Northwest Territories, Canada.