New Zealand Tree Ring Width Chronology for Paleoclimate Analysis

Tree ring width measurements from New Zealand provide a proxy climate record spanning 466 years, from 424 to -42 calendar years before present. The dataset is archived by the NOAA National Centers for Environmental Information under the World Data Service for Paleoclimatology. This specific study was last updated in 1992.

Use Cases

• Reconstruct past temperature or precipitation anomalies using the tree-ring width time-series.
• Calibrate the tree-ring width chronology against other regional paleoclimate proxies.
• Analyze the frequency of extreme climate events indicated by narrow or wide ring anomalies.
• Study long-term ecological growth patterns in New Zealand forests from the dated ring sequences.

Strengths

• Chronology covers a 466-year period suitable for multi-century climate analysis.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at 42 BC, lacking recent millennia of climate data.
• Data record is from a single geographic location (New Zealand), limiting spatial representativeness.
• The study metadata and underlying raw measurements were last updated in 1992, indicating potential staleness.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology).

Time Range

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

Freshness

1992-01-01

Geography

New Zealand.