Alaskan Tree-Ring Chronology from Petrof Lateral Moraine

NOAA's Paleoclimatology archive provides a tree-ring chronology from the Petrof Lateral Moraine in Alaska. The data covers a 372-year period from 335 to -37 calendar years before present. This study was published by the NOAA National Centers for Environmental Information in 1987.

Use Cases

• Reconstruct past temperature or precipitation anomalies using annual tree-ring width measurements as a proxy.
• Calibrate radiocarbon dating or other chronological models for the Alaskan Holocene period using the dated tree-ring series.
• Analyze the geospatial correlation of climate signals by comparing this site's chronology with other Alaskan tree-ring records.
• Study the response of tree growth to glacial retreat events by examining ring patterns within the moraine's temporal coverage.

Strengths

• Data spans a continuous 372-year period (335 to -37 BP), providing a multi-century climate record.
• Sourced from the authoritative NOAA NCEI World Data Service for Paleoclimatology, ensuring archival stability.

Limitations

• The dataset's last documented update was in 1987, making it a historical archive that may lack modern reanalysis.
• Specific parameters like ring width measurements, sample depth, and standardization methods are not detailed in the provided metadata.
• Geographic coverage is limited to a single site (Petrof Lateral Moraine), reducing regional representativeness.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI) World Data Service (WDS) for Paleoclimatology.

Collection Method

Tree-ring data collection and analysis, likely involving core sampling and cross-dating techniques.

Time Range

335 to -37 calendar years before present (BP).

Freshness

null

Geography

Petrof Lateral Moraine, Alaska, United States of America.