New Zealand Tree Ring Chronology from 810 to 42 BCE

Tree ring width measurements from New Zealand provide a proxy climate record spanning 852 years, from 810 to 42 years before the present era. NOAA's National Centers for Environmental Information archives this paleoclimatology study for climate reconstruction research. The data was last updated in the repository in 1992.

Use Cases

• Reconstruct past temperature or precipitation anomalies by calibrating tree-ring width measurements against instrumental records.
• Analyze the frequency of extreme climate events, such as droughts, visible as narrow ring sequences in the chronology.
• Validate regional climate model simulations for the last millennium using the 852-year proxy time series.
• Study ecological responses to past volcanic eruptions or other forcings recorded in the tree-ring growth patterns.

Strengths

• Time series covers 852 consecutive years (810 to -42 BP), providing a long-term context.
• Data is curated and archived by NOAA's World Data Service for Paleoclimatology, an authoritative source.

Limitations

• Data was last updated in 1992, indicating potential staleness and lack of recent methodological refinements.
• Specific sample depth, replication statistics, and measurement uncertainty metrics are not provided in the basic description.

Provenance

Source

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

Collection Method

Tree ring width measurements collected from living or subfossil trees in New Zealand.

Time Range

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

Freshness

null

Geography

New Zealand.