Palomar Mountain Tree Ring Chronology from 310 to 42 BC

A 352-year tree-ring chronology from Fry Creek on Palomar Mountain in California, United States, covering the period from 310 to 42 calendar years before present. The dataset was archived by NOAA National Centers for Environmental Information under the World Data Service for Paleoclimatology. This paleoclimatology study was last updated in 1992.

Use Cases

• Reconstruct past climate variables like temperature or precipitation using the tree-ring width chronology.
• Calibrate the chronology against other regional proxy records using its geographic location and time period.
• Analyze long-term climate trends and anomalies for the period 310 to 42 BC from the dated ring measurements.
• Study the response of conifer species in California to historical climate events captured in the ring data.

Strengths

• Chronology spans 352 consecutive years, providing a continuous climate proxy record.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.
• Specific geographic location (Palomar Mountain, California) allows for regional climate analysis.

Limitations

• The dataset is temporally stale, with a last update date of 1992, potentially lacking modern reanalysis.
• Sample size and replication depth of the underlying tree cores are unknown, affecting statistical confidence.
• The time period ends at 42 BC, limiting direct utility for studying climate changes in the Common Era.

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

310 to -42 calendar years before present (BP).

Freshness

1992-01-01

Geography

Fry Creek, Palomar Mountain, California, United States of America.