Robinson Mountain Ponderosa Pine Tree-Ring Chronology from Arizona

Tree-ring width measurements from Ponderosa Pine trees at Robinson Mountain, Arizona, provide a 361-year climate proxy record. The data covers the period from 339 to -22 calendar years before present, calibrated to absolute dates. NOAA's National Centers for Environmental Information archives this paleoclimatology study for public use.

Use Cases

• Reconstruct historical precipitation or temperature anomalies by analyzing annual tree-ring width variations.
• Calibrate climate models using the 361-year proxy record to validate simulations of past drought cycles.
• Study forest growth patterns and resilience by examining the chronology of ring widths from Ponderosa Pine.
• Perform cross-dating analysis with other regional tree-ring chronologies to verify historical climate events.

Strengths

• 361-year continuous chronology providing a multi-century climate proxy.
• Geographically specific data from a defined site (Robinson Mountain, Arizona).
• Data archived and standardized by NOAA's authoritative World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -22 BP (1972 CE), with no updates for the last 50+ years.
• Sample size and replication depth (number of tree cores) are unknown from the description.
• Data is localized to a single mountain site in Arizona, limiting broad regional inferences.

Provenance

Source

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

Collection Method

Tree-ring cores collected from Ponderosa Pine (PIPO) trees, measured and cross-dated to create a standardized chronology.

Time Range

339 to -22 calendar years before present (BP).

Freshness

null

Geography

Robinson Mountain, Arizona, United States.