Saganaga Lake Tree Ring Chronology for Paleoclimate Reconstruction

Tree ring width measurements from Saganaga Lake, Minnesota, provide a proxy climate record. The dataset covers 352 calendar years, from 330 to -22 years before present. It was contributed by Swain Henselman and archived by NOAA's World Data Service for Paleoclimatology, with a last update recorded in 1972.

Use Cases

• Reconstruct past temperature or precipitation variations using the tree ring width time-series.
• Calibrate climate models by comparing the proxy record from the 'tree ring' parameter with instrumental data.
• Analyze long-term climate trends in the Minnesota region across the 352-year temporal coverage.
• Perform cross-dating of other tree-ring chronologies using the established Saganaga Lake time series.

Strengths

• Time series spans 352 calendar years, providing a multi-century climate record.
• Data is curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• The dataset's last update was in 1972, indicating it is a static archive with no recent revisions.
• Specific sample size, measurement methods, and potential measurement noise are not detailed in the provided metadata.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

330 to -22 calendar years before present (BP).

Freshness

Static archive, last updated 1972-01-01.

Geography

Saganaga Lake, Minnesota, United States of America.