Tree Ring Chronology from Hart's Pass, Washington (360 to -40 BP)

Tree ring width measurements from a site at Hart's Pass, Washington, USA, used for paleoclimate reconstruction. The chronology covers 401 years from 360 to -40 calendar years before present. Data is archived by the NOAA National Centers for Environmental Information's World Data Service for Paleoclimatology.

Use Cases

• Reconstruct past temperature or precipitation anomalies by calibrating tree ring width series against instrumental climate records.
• Analyze the frequency of extreme growth years (narrow or wide rings) as proxies for drought or favorable climate events.
• Cross-date this chronology (WA074) with other regional tree ring datasets to build a spatially extended climate network.
• Validate climate model simulations of past centuries using the annually resolved proxy evidence from the ring width parameter.

Strengths

• Chronology spans 401 years, providing a multi-century climate record.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -40 BP (approximately 1990 AD), lacking recent decades.
• Sample size, replication, and species information for the underlying tree cores are unknown from provided metadata.
• Geographic coverage is limited to a single site (Hart's Pass), which may not represent broader regional climate.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology) of core samples.

Time Range

360 to -40 calendar years before present (BP).

Freshness

null

Geography

Hart's Pass, Washington, United States of America.