Chilean Tree Ring Chronology for Paleoclimate Study

234 to -46 calendar years before present (BP) of tree ring data from Chile, archived by NOAA's World Data Service for Paleoclimatology. The dataset is associated with the Tree Ring study type from the NOAA National Centers for Environmental Information. The data was last updated in the archive on January 1, 1996.

Use Cases

• Reconstruct past temperature or precipitation anomalies using the tree ring width chronology.
• Calibrate climate models by comparing the tree ring proxy record with instrumental data for the overlapping period.
• Analyze climate extremes and events, such as droughts, from variations in the annual tree ring measurements.
• Study ecological responses to past climate change by examining growth patterns in the Lenga tree species.

Strengths

• Provides a 280-year chronology (234 to -46 BP) for climate reconstruction.
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -46 BP (approximately 46 AD), lacking recent centuries for modern comparison.
• The dataset's last known update was in 1996, indicating potential staleness in metadata or documentation.
• Specific sample size, measurement parameters, and site details are not provided in the basic description.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

234 to -46 calendar years before present (BP).

Freshness

Last updated in archive: 1996-01-01.

Geography

Chile.