Seagull Lake Tree Ring Chronology for Paleoclimate Reconstruction

325 to -21 calendar years BP of tree ring width measurements from Seagull Lake, Minnesota. This paleoclimatology dataset, archived by NOAA NCEI's World Data Service, is a Tree Ring study used for reconstructing past climate conditions. The data was last updated in the NOAA system in 1971.

Use Cases

• Calibrating climate models by comparing tree ring width variations against known historical climate events.
• Analyzing growth anomaly years within the chronology to identify periods of drought or favorable conditions.
• Establishing a regional master chronology by cross-dating this series with other North American tree ring datasets.

Strengths

• Chronology spans 346 years (325 to -21 BP), providing a multi-century climate record.
• Data is curated and archived by the authoritative NOAA National Centers for Environmental Information (NCEI).

Limitations

• The dataset's last update was in 1971, indicating potential staleness and lack of recent methodological improvements.
• Geographic coverage is limited to a single site (Seagull Lake, Minnesota), reducing regional representativeness.
• Sample size and replication depth for individual years are unknown, which could affect statistical confidence.

Provenance

Source

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

Collection Method

Tree ring core samples analyzed via dendrochronology to create a width measurement chronology.

Time Range

325 to -21 calendar years before present (BP).

Freshness

null

Geography

Seagull Lake, Minnesota, United States of America.