California Tree Ring Width Chronology from 750 to 37 BC

A 787-year tree-ring width chronology from the Timber Gap Upper site in California, spanning from 750 to 37 calendar years before present. The dataset provides paleoclimate proxy data for reconstructing past environmental conditions. It is archived by NOAA's World Data Service for Paleoclimatology and was last updated in 1987.

Use Cases

• Reconstructing historical temperature or precipitation anomalies by calibrating tree-ring width series against instrumental climate records.
• Analyzing climate periodicity and extreme events, such as droughts, within the 787-year chronology from the California site.
• Validating regional climate model simulations for the past millennium using the proxy data from this chronology.
• Studying ecological responses to climate change by examining growth patterns in the tree-ring width parameter.

Strengths

• 787-year continuous chronology providing long-term climate context
• Data archived and standardized by NOAA's authoritative World Data Service for Paleoclimatology

Limitations

• Single-site chronology may not represent broader regional climate signals
• Data last updated in 1987, potentially missing modern methodological refinements
• Calendar year BP dating requires conversion for alignment with standard timelines

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology)

Time Range

750 to -37 calendar years BP

Freshness

1987-01-01

Geography

Timber Gap Upper site, California, United States