Tree ring width measurements from a site in the Mackenzie Delta, Northwest Territories, Canada, provide a paleoclimate record. The chronology spans 458 years, from 405 to -53 calendar years before present. Data was archived by NOAA's World Data Service for Paleoclimatology and last updated in 2003.
Use Cases
- Reconstruct past temperature or precipitation anomalies by analyzing the tree ring width time-series.
- Calibrate the chronology against known climate events using the calendar years before present (BP) index.
- Compare growth patterns from this Mackenzie Delta site with other Arctic tree ring collections for regional climate analysis.
- Study the response of northern tree species to climate forcing over a 458-year period ending 53 years before 1950.
Strengths
- Chronology covers a specific 458-year period from 405 to -53 BP.
- Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.
Limitations
- Temporal coverage ends 53 years before the 1950 baseline, limiting analysis of very recent climate.
- Data is from a single site (MP site), which may not represent broader regional conditions.
- The dataset was last updated in 2003, indicating potential staleness in metadata or availability.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI), World Data Service (WDS) for Paleoclimatology.
- Collection Method
- Tree ring data collected and measured through dendrochronological methods.
- Time Range
- 405 to -53 calendar years before present (BP).
- Freshness
- null
- Geography
- MP site, Mackenzie Delta, Northwest Territories, Canada.