Alaska's Chitina peat bog provides a tree-ring chronology for paleoclimate analysis. The dataset covers a 370-year period from 334 to -36 calendar years before present. It was archived by NOAA's National Centers for Environmental Information in 1986.
Use Cases
- Reconstruct past temperature or precipitation anomalies using the tree-ring width chronology.
- Calibrate regional climate models by comparing the tree-ring proxy data with known historical climate periods.
- Analyze the frequency of extreme climate events in Alaska over the 370-year period captured in the series.
- Study ecological responses to climate change by correlating the growth index with known environmental shifts.
Strengths
- Time series covers a 370-year period from 334 to -36 BP.
- Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.
Limitations
- Dataset is temporally stale, with a last recorded update in 1986.
- Geographic scope is limited to a single peat bog site in Alaska.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service (WDS) for Paleoclimatology.
- Collection Method
- Tree ring analysis (dendrochronology) from a peat bog site.
- Time Range
- 334 to -36 calendar years before present (BP).
- Freshness
- 1986-01-01
- Geography
- Chitina, Alaska, United States of America.