Oregon Ponderosa Pine Tree-Ring Width Chronology from 450 BC

Tree-ring width measurements from Ponderosa Pine (PIPO) trees at the Experimental Forest site in Oregon, USA, provide a 480-year climate proxy record. The dataset is archived by the NOAA National Centers for Environmental Information's World Data Service for Paleoclimatology. This specific chronology, part of the PAGES North America 2K network, was published in 1980.

Use Cases

• Reconstruct past temperature or precipitation anomalies by calibrating tree-ring width series against instrumental climate records.
• Analyze growth patterns and extreme events (e.g., droughts) within the 480-year chronology from Oregon.
• Combine this site chronology with other PAGES 2K network data to create spatial climate field reconstructions for North America.
• Validate climate model simulations of past centuries using the high-resolution, annually-dated proxy evidence.

Strengths

• Provides a 480-year annually-resolved chronology from 450 to -30 calendar years BP.
• Data is part of the authoritative PAGES North America 2K paleoclimate reconstruction network.
• Hosted and curated by the NOAA NCEI World Data Service for Paleoclimatology, ensuring archival stability.

Limitations

• Temporal coverage ends 30 years before 1950 (the 'present' reference), so the most recent data is from around 1920.
• Sample size, replication, and site details are unknown without accessing full metadata.
• The dataset's last known update was in 1980, potentially lacking modern reanalysis or standardization.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology) of Ponderosa Pine (Pinus ponderosa) samples.

Time Range

450 to -30 calendar years before present (BP).

Freshness

null

Geography

Experimental Forest site, Oregon, United States of America.