Tree ring width data from Araucania, Chile, covering a 733-year period from 708 to -25 calendar years before present. The dataset is archived by the NOAA National Centers for Environmental Information under its World Data Service for Paleoclimatology. This paleoclimatology study was last updated in 1975.
Use Cases
- Reconstruct past temperature or precipitation anomalies in Araucania, Chile, using the annual tree ring width time-series.
- Calibrate climate models by comparing the tree ring chronology against instrumental records for the overlapping period.
- Analyze the frequency and severity of historical drought events by identifying narrow ring sequences in the chronology.
- Study ecological responses to past climate shifts by correlating the ring width data with known volcanic or solar forcing events.
Strengths
- Covers a 733-year time period (708 to -25 BP), providing a multi-century climate proxy.
- Sourced from the authoritative NOAA/NCEI World Data Service for Paleoclimatology.
Limitations
- Data is temporally stale, with a last update date of 1975, potentially lacking modern reanalysis.
- Specific sample size, geographic precision, and measurement parameters are unknown from the provided metadata.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service for Paleoclimatology.
- Collection Method
- Tree ring analysis (dendrochronology).
- Time Range
- 708 to -25 calendar years before present (BP).
- Freshness
- null
- Geography
- Araucania, Chile.