Alaskan Tree Ring Chronology From 404 to -47 Years BP

Tree ring width chronology data from the Nazina treeline site in Alaska, United States. The dataset covers the period from 404 to -47 calendar years before present. It is an archived paleoclimatology study from the NOAA National Centers for Environmental Information under the World Data Service for Paleoclimatology.

Use Cases

• Reconstruct past temperature or precipitation anomalies using tree ring width as a proxy climate indicator.
• Analyze long-term growth trends and responses to environmental stressors from the tree ring chronology.
• Calibrate and validate climate models for the Alaskan region using the dated historical record.
• Study the dynamics of the boreal treeline over centuries using the site-specific chronology data.

Strengths

• Covers a 451-year period from 404 to -47 calendar years BP, providing a multi-century record.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• The dataset's last update was in 1997, making it temporally stale for contemporary analyses.
• Specific sample size, geographic precision, and measurement parameters are not detailed in the provided metadata.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

404 to -47 calendar years before present (BP).

Freshness

null

Geography

Alaska, United States Of America (specific site: Nazina treeline).