Mackenzie Delta Tree Ring Chronology From 552 to -53 BP

NOAA's World Data Service for Paleoclimatology archives a tree-ring chronology dataset from Maggie Lake in the Mackenzie Delta, Northwest Territories, Canada. The data provides proxy climate records covering a period from 552 to -53 calendar years before present. This study was published by NOAA National Centers for Environmental Information, with an archive date of 2003.

Use Cases

• Reconstruct past temperature or precipitation anomalies using the tree-ring width or density time-series.
• Calibrate climate models by comparing the proxy tree-ring chronology with instrumental records for the region.
• Analyze long-term climate trends and extremes in the Mackenzie Delta over a 605-year period.
• Study the response of boreal forest tree growth to historical climate forcing events captured in the ring data.

Strengths

• Covers a 605-year temporal range (552 to -53 BP).
• Geographically specific to a single lake site in the Canadian Arctic.
• Archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Data recency is low, last updated in 2003.
• Sample size and replication depth for the tree-ring chronology are unknown.
• Geographic coverage is limited to one site in the Northwest Territories.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology).

Time Range

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

Freshness

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Geography

Maggie Lake, Mackenzie Delta, Northwest Territories, Canada.