Tree ring width measurements from Cradle Mountain, Australia, provide a climate proxy record spanning 777 years, from 752 BC to 25 AD. The dataset was archived by NOAA's World Data Service for Paleoclimatology and is associated with the study by Lamarche. This paleoclimate record was last updated in the NOAA system in 1975.
Use Cases
- Reconstruct past temperature or precipitation anomalies by calibrating tree ring width measurements against modern instrumental records.
- Analyze the frequency and severity of drought events by identifying periods of suppressed growth in the ring width series.
- Establish a dated chronology for archaeological or geological studies in Tasmania using the provided calendar years before present (BP).
- Compare this Southern Hemisphere tree ring record with Northern Hemisphere chronologies to investigate global climate teleconnections.
Strengths
- Provides a 777-year continuous paleoclimate proxy record.
- Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.
Limitations
- The temporal coverage ends in 25 AD, offering no data on modern climate periods.
- The dataset's last system update was in 1975, indicating potential staleness in metadata or formatting.
- The single geographic location limits broader spatial climate inferences for Australia.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service for Paleoclimatology.
- Collection Method
- Tree ring analysis (dendrochronology).
- Time Range
- 752 BC to 25 AD (777 years).
- Freshness
- null
- Geography
- Cradle Mountain, Australia.