Tree-Ring Chronology from Blueberry River in Mackenzie Delta

Tree-ring width data from the Blueberry River area in Canada's Northwest Territories, used for paleoclimate reconstruction. The chronology covers a period from 449 to -56 calendar years before present, indicating it extends through recent centuries. This archived study is provided by the NOAA National Centers for Environmental Information under its World Data Service for Paleoclimatology and was last updated in 2006.

Use Cases

• Calibrating climate models by comparing the tree-ring width chronology with instrumental temperature records.
• Reconstructing past temperature or precipitation anomalies for the Mackenzie Delta region using the ring-width parameter.
• Analyzing long-term ecological trends and forest growth responses to climate change in the Canadian Arctic.
• Cross-dating this chronology (ITRDB CANA520) with other regional tree-ring datasets to validate climate signals.

Strengths

• Temporal coverage spans approximately 505 years, providing a multi-century climate record.
• Data is archived and curated by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Data recency is limited, with the last update recorded in 2006, potentially missing newer methodological refinements.
• The geographic scope is restricted to a single site in the Northwest Territories, limiting regional generalizations.
• Specific sample depth, replication statistics, and measurement uncertainty details are not provided in the basic description.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology), likely measuring ring-width parameters.

Time Range

449 to -56 calendar years before present (BP).

Freshness

Last updated 2006-01-01; static archive.

Geography

Blueberry River, Mackenzie Delta, Northwest Territories, Canada.