Pimple Rock Peak Sequoia Tree Ring Chronology From 70 to -40 BP

Tree ring width measurements from a single site in Sequoia National Park, California, provide a 110-year chronology. The data covers the period from 70 to -40 calendar years before present, with negative values indicating years after 1950. This archived paleoclimatology study is maintained by NOAA's National Centers for Environmental Information.

Use Cases

• Calibrating climate models by comparing tree-ring width variations against known historical climate events.
• Reconstructing local temperature or precipitation anomalies for the 110-year period covered by the chronology.
• Establishing a dated tree-ring series for cross-referencing with other regional chronologies to validate timelines.
• Analyzing growth response patterns in Sequoia trees to infer past environmental stressors.

Strengths

• Covers a specific 110-year time period (70 to -40 BP) from a single, documented site.
• Archived and curated by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Very limited temporal coverage of 110 years compared to millennial-length tree-ring chronologies.
• Data is from a single geographic location (Pimple Rock Peak), limiting regional representativeness.
• The dataset was last updated 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 core sampling and measurement (dendrochronology).

Time Range

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

Freshness

Last updated in 1990.

Geography

Pimple Rock Peak, Sequoia National Park, California, United States.