Sequoia National Park Tree Ring Chronology from 70 to -40 BP

Tree ring data from the Ranger Station Peak site in Sequoia National Park, California, provides a climate proxy record. The chronology covers 110 years, from 70 to -40 calendar years before present. NOAA National Centers for Environmental Information (NCEI) archived this paleoclimatology study, with a last update recorded in 1990.

Use Cases

• Reconstruct past temperature or precipitation anomalies by analyzing annual tree-ring width measurements.
• Calibrate climate models using the 110-year chronology of proxy environmental data.
• Study the growth response of Ponderosa Pine (PIPO) to historical climatic events within the specified time range.

Strengths

• Data covers a specific 110-year time period (70 to -40 BP).
• Sourced from a single, documented location (Ranger Station Peak, Sequoia National Park).

Limitations

• Temporal coverage is relatively short (110 years) for long-term climate trend analysis.
• Data is geographically limited to one site in California, reducing regional representativeness.
• The dataset's last known update was in 1990, indicating potential staleness in metadata or availability.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

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

Freshness

Last updated in 1990.

Geography

Ranger Station Peak, Sequoia National Park, California, United States.