Tree ring width measurements from a site in Eastern China provide a 822-year climate proxy record. The dataset is archived by NOAA's National Centers for Environmental Information as part of its Paleoclimatology World Data Service. This specific chronology was last updated in 1985.
Use Cases
- Reconstruct historical temperature or precipitation anomalies using the tree ring width time-series.
- Calibrate and validate regional climate models by comparing simulated past climates against the proxy record.
- Analyze the frequency of extreme climatic events, such as droughts, by identifying narrow ring sequences in the chronology.
- Study the response of tree growth to long-term climate trends across the 822-year time span.
Strengths
- Time-series covers 822 consecutive years from 787 to 35 BCE.
- Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.
Limitations
- The dataset's last update was in 1985, indicating it is a static archive with no recent revisions.
- Geographic coverage is limited to a single site in China, limiting broader regional inferences.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service for Paleoclimatology.
- Collection Method
- Tree ring core samples analyzed to create a width measurement chronology.
- Time Range
- 787 to 35 BCE (822-year coverage).
- Freshness
- null
- Geography
- China, Eastern Asia (specific site location detailed in metadata).