Rainy Pass Tree Ring Chronology For Pacific Northwest Paleoclimate

Tree ring data from Washington state spans 268 years, from 242 to -26 calendar years before present. The dataset was archived by NOAA's National Centers for Environmental Information under its Paleoclimatology program. This specific chronology was published in 1976.

Use Cases

• Reconstruct past temperature or precipitation anomalies using the tree-ring width chronology.
• Calibrate the chronology against other regional proxy records for cross-validation studies.
• Analyze growth patterns to identify extreme climatic events like droughts within the 268-year period.

Strengths

• Covers a continuous 268-year period for climate analysis.
• Sourced from the authoritative NOAA/NCEI World Data Service for Paleoclimatology.

Limitations

• The data is temporally stale, with a last update date of 1976.
• The sample size, geographic specificity, and measurement parameters are unknown from the description.
• The calendar year BP scale requires careful conversion for alignment with standard timelines.

Provenance

Source

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

Collection Method

Tree ring measurement (dendrochronology).

Time Range

242 to -26 calendar years BP.

Freshness

1976-01-01

Geography

Rainy Pass, Washington, United States of America.