NOAA's World Data Service for Paleoclimatology archives this tree ring dataset for climate reconstruction. It provides a chronology from the Hauhungatahi Site A location in Tongariro, New Zealand. The data was published by NOAA NCEI and last updated in 1993.
Use Cases
- Reconstruct past temperature or precipitation anomalies using the tree ring width chronology as a proxy.
- Calibrate the tree ring chronology against known volcanic events using the provided calendar years before present (BP) time axis.
- Analyze long-term climate trends in the central North Island of New Zealand from 439 to -43 calendar years BP.
- Compare this site-specific tree ring series with other Southern Hemisphere chronologies to identify regional climate signals.
Strengths
- Covers a substantial 482-year time period from 439 to -43 calendar years BP.
- Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.
Limitations
- The dataset's last update was in 1993, making it temporally stale for modern analytical techniques.
- Specific sample depth, measurement statistics, and climate parameter correlations are unknown without metadata.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service (WDS) for Paleoclimatology.
- Collection Method
- Tree ring data collection and analysis (dendrochronology).
- Time Range
- 439 to -43 calendar years before present (BP).
- Freshness
- null
- Geography
- Hauhungatahi Site A, Tongariro, New Zealand.