Ruby Ridge Tree Ring Chronology For Paleoclimate Reconstruction

243-year tree-ring chronology from Ruby Ridge, British Columbia, covering 194 to -49 calendar years before present. The dataset was archived by NOAA's World Data Service for Paleoclimatology and last updated in 1999. It provides parameters for dendrochronological analysis.

Use Cases

• Reconstruct historical temperature or precipitation anomalies by analyzing the tree-ring width series.
• Calibrate climate models using the dated chronology to validate simulations for the last two centuries.
• Study forest growth responses to past environmental events by examining the annual resolution ring data.
• Establish regional cross-dating references for other paleoclimate studies in British Columbia using this chronology.

Strengths

• 243-year continuous chronology providing multi-century climate proxy.
• Data archived and standardized by NOAA's authoritative World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -49 BP (approximately 49 BCE), lacking recent centuries.
• Data last updated in 1999, potentially missing newer methodological revisions.
• Specific sample depth, measurement parameters, and site details require metadata review.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology) from subalpine fir (ABLA) samples.

Time Range

194 to -49 calendar years before present (BP).

Freshness

Last updated in 1999; static archival record.

Geography

Ruby Ridge, British Columbia, Canada.