New Zealand Tree Ring Chronology from Logos Hill

Tree ring parameters from a site in New Zealand provide a 169-year climate proxy record covering 140 to -29 calendar years before present. NOAA National Centers for Environmental Information (NCEI) archives this paleoclimatology study, which was last updated in 1979.

Use Cases

• Reconstruct past temperature or precipitation anomalies by analyzing the tree-ring width parameter as a climate proxy.
• Calibrate regional climate models for New Zealand using the precisely dated annual resolution of the tree-ring chronology.
• Compare this Southern Hemisphere tree-ring record with other proxy datasets to study inter-hemispheric climate linkages.
• Establish a baseline for natural climate variability in the region prior to significant human influence, using the 140 BP start date.

Strengths

• Provides a precisely dated annual-resolution climate proxy for 169 calendar years.
• Data is archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Temporal coverage is relatively short at 169 years, limiting analysis of long-term climate cycles.
• Data is from a single geographic location (New Zealand), limiting spatial representativeness.
• The dataset is temporally stale, with a last update date of 1979, potentially lacking modern reanalysis.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

140 to -29 calendar years before present (BP).

Freshness

null

Geography

New Zealand (specific location details in metadata).