Tree ring width measurements from Tsuga mertensiana trees at Hoh Lake in Washington State, USA. The chronology covers 421 years, from 379 to 42 BC, and is archived by NOAA's National Centers for Environmental Information. Data was published through the World Data Service for Paleoclimatology.
Use Cases
- Reconstruct past temperature or precipitation using annual tree ring width as a proxy.
- Calibrate climate models by comparing the tree ring chronology with simulated historical climate data.
- Analyze growth patterns and environmental stressors from the Tsuga mertensiana species over four centuries.
- Establish a dated timeline for regional environmental events by cross-referencing with other paleoclimate records.
Strengths
- Chronology spans 421 consecutive years, providing a multi-century environmental record.
- Data is curated and hosted by the authoritative NOAA NCEI World Data Service for Paleoclimatology.
Limitations
- Temporal coverage ends over 2000 years ago (42 BC), limiting analysis of recent climate trends.
- Geographic scope is limited to a single site (Hoh Lake, Washington), reducing regional generalizability.
- Sample size and replication level of the underlying tree cores are unspecified, affecting statistical confidence.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service (WDS) for Paleoclimatology.
- Collection Method
- Tree ring analysis (dendrochronology) of Tsuga mertensiana (mountain hemlock) samples.
- Time Range
- 379 to 42 BC (calendar years before present).
- Freshness
- null
- Geography
- Hoh Lake, Washington, United States of America.