St. George Tree Ring Chronology from 502 to -47 BP

549 calendar years of tree-ring width data from Manitoba, Canada, covering the period from 502 to -47 years before present. The dataset was archived by NOAA's National Centers for Environmental Information under its Paleoclimatology program. The data were last updated in the NOAA system in 1997.

Use Cases

• Reconstruct past temperature or precipitation anomalies by analyzing the tree-ring width time-series as a climate proxy.
• Calibrate radiocarbon dates or validate other paleoenvironmental records using the precisely dated tree-ring chronology.
• Study ecological disturbances or growth patterns in boreal forests by examining variance and trends in the ring-width data.

Strengths

• Covers a 549-year time period from 502 to -47 BP, providing a multi-century climate record.
• Sourced from the authoritative NOAA/NCEI World Data Service for Paleoclimatology.

Limitations

• Data recency is low, with a last update recorded in 1997, indicating potential staleness.
• Specific sample size (number of tree cores), measurement precision, and metadata details are not provided in the input.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology), likely measuring ring widths from subfossil or archaeological wood samples.

Time Range

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

Freshness

null

Geography

St. George - Red River area, Manitoba, Canada.