New Zealand Tree Ring Chronology from 694 to -26 BP

NOAA's World Data Service for Paleoclimatology archives this tree ring dataset from the Takapari site in New Zealand. It provides a chronology covering 720 years, from 694 to -26 calendar years before present. The data was contributed by researcher Dunwiddie and archived by NOAA NCEI.

Use Cases

• Reconstruct past temperature or precipitation anomalies using the tree ring width chronology.
• Calibrate radiocarbon dating scales by aligning the tree ring date sequence with known calendar years.
• Analyze climate periodicity and extreme events by examining the annual-resolution ring width series.
• Compare Southern and Northern Hemisphere climate signals using the New Zealand geographic location.

Strengths

• 720-year temporal coverage provides a long-term climate record.
• Annual resolution allows for precise dating of environmental events.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service.

Limitations

• The dataset's last update was in 1976, indicating potential staleness and lack of modern reanalysis.
• Specific sample depth, measurement statistics, and site details are unknown without the full metadata.
• Geographic coverage is limited to a single site (Takapari), reducing regional representativeness.

Provenance

Source

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

Collection Method

Tree ring cores collected and measured to create a width chronology.

Time Range

694 to -26 calendar years before present (BP).

Freshness

null

Geography

Takapari, New Zealand.