Paddy-Go-Easy Pass Tree Ring Chronology From 520 BC

Tree ring width data from the Paddy-Go-Easy Pass site in Washington state, USA, used for climate reconstruction. The chronology covers 550 years, from 520 to 30 BC in calendar years before present. This archived paleoclimatology study is provided by the NOAA National Centers for Environmental Information.

Use Cases

• Reconstruct past temperature or precipitation anomalies by analyzing the annual tree_ring_width variations over the 550-year series.
• Calibrate climate models using the precisely dated chronology from 520 to 30 BC as a proxy validation dataset.
• Study extreme climate events, such as droughts, by identifying narrow ring sequences within the time-series record.
• Conduct regional climate comparisons by correlating this Washington state site's ring patterns with other chronologies.

Strengths

• 550-year continuous chronology from 520 to 30 BC provides a multi-century climate record.
• Data is archived and curated by the authoritative NOAA National Centers for Environmental Information (NCEI).

Limitations

• The dataset's last known update was in 1980, indicating potential methodological staleness.
• Limited geographic scope to a single site (Paddy-Go-Easy Pass) in Washington state.
• Raw sample data and specific measurement parameters are not provided in the input.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology) from core samples.

Time Range

520 to 30 BC (calendar years before present).

Freshness

null

Geography

Paddy-Go-Easy Pass, Washington, United States of America.