Colorado Tree Ring Width Chronology For Paleoclimate Reconstruction

Tree-ring width measurements from the Island Lake site in Colorado provide a proxy climate record. The chronology spans 787 years, from 750 to 37 years before present. NOAA National Centers for Environmental Information (NCEI) published this paleoclimatology study.

Use Cases

• Reconstruct past temperature or precipitation anomalies in Colorado using the tree-ring width time series.
• Calibrate regional climate models by comparing the 787-year tree-ring chronology with instrumental records.
• Analyze the frequency and severity of historical droughts in the southwestern United States via ring-width variations.
• Study ecological responses to climate change by examining growth patterns captured in the tree-ring data.

Strengths

• 787-year temporal coverage from 750 to 37 BP provides a long-term climate proxy.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Data last updated in 1987, potentially missing modern analytical refinements.
• Geographic scope is limited to a single site (Island Lake, Colorado), reducing regional representativeness.
• Sample size and replication statistics for the tree-ring chronology are not provided in the input.

Provenance

Source

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

Collection Method

Dendrochronological analysis of tree-ring widths.

Time Range

750 to 37 calendar years before present (BP).

Freshness

null

Geography

Island Lake, Colorado, United States of America.