Mount Egmont Tree Ring Chronology for Paleoclimate Reconstruction

334 calendar years before present of tree ring data from Mount Egmont, New Zealand, extending to 40 BP. This paleoclimatology dataset was archived by NOAA NCEI's World Data Service for Paleoclimatology. The data was last updated in the platform in 1990.

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 New Zealand region.
• Analyze the frequency of extreme climatic events, such as droughts, indicated by narrow tree ring sequences.
• Study ecological responses to climate change by examining growth trends within the 334-year tree ring series.

Strengths

• Time series covers 334 calendar years before present, providing a multi-century climate record.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.
• Includes geospatial location data for Mount Egmont, New Zealand, enabling regional analysis.

Limitations

• Temporal coverage ends at 40 BP, making it less directly comparable to very recent instrumental records.
• The dataset was last updated in the platform in 1990, potentially lacking modern methodological revisions.
• Specific sample depth, measurement variables, and potential uncertainties are not detailed in the provided metadata.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology) from samples collected at Mount Egmont.

Time Range

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

Freshness

null

Geography

Mount Egmont, New Zealand.