NOAA's Paleoclimatology archive provides a tree-ring chronology from the Yakutat Outer Terminal Moraine in Alaska. The data covers a period from 428 to -46 calendar years before present, calibrated for paleoclimate studies. This study was archived by the NOAA National Centers for Environmental Information in 1996.
Use Cases
- Reconstruct past temperature or precipitation anomalies using the tree-ring width chronology.
- Calibrate radiocarbon dates or other climate proxies by aligning the tree-ring time series.
- Analyze growth patterns and environmental stressors from the indexed ring-width data.
- Study the relationship between glacial moraine formation and local forest growth over centuries.
Strengths
- Time series spans 474 years (428 to -46 BP), providing multi-century coverage.
- Data is curated and archived by NOAA's authoritative World Data Service for Paleoclimatology.
Limitations
- Data is temporally stale, last updated in 1996 and may lack modern reanalysis.
- Geographic scope is limited to a single moraine site in Alaska, limiting regional generalization.
- Specific sample depth, replication statistics, and measurement parameters are not provided in the summary.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI) World Data Service for Paleoclimatology.
- Collection Method
- Tree ring data collection and analysis, study type is 'Tree Ring'.
- Time Range
- 428 to -46 calendar years before present (BP).
- Freshness
- null
- Geography
- Yakutat Outer Terminal Moraine, Alaska, United States of America.