Alaskan Tree Ring Chronology from 426 to -40 BP

Tree ring data from Alaska, United States, covering a time period from 426 to -40 calendar years before present. This paleoclimatology study is archived by the NOAA National Centers for Environmental Information under the World Data Service for Paleoclimatology. The dataset was last updated in the NOAA system in 1990.

Use Cases

• Reconstruct past climate conditions in Alaska using tree ring width as a proxy.
• Calibrate tree ring chronologies against other paleoclimate records for the 426 to -40 BP period.
• Analyze growth anomalies in the tree ring series to identify extreme historical climate events.
• Study the response of Alaskan tree species to climate forcing over a multi-century timeframe.

Strengths

• Covers a specific 466-year period from 426 to -40 calendar years before present.
• Archived by the authoritative NOAA National Centers for Environmental Information.

Limitations

• Temporal coverage ends at -40 BP, providing no data for recent centuries.
• Data last updated in 1990, indicating potential staleness in metadata or availability.
• Specific sample size, geographic precision, and measurement parameters are unknown from the description.

Provenance

Source

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

Collection Method

Tree ring data collection (dendrochronology).

Time Range

426 to -40 calendar years before present (BP).

Freshness

null

Geography

Alaska, United States of America.