Alaskan Tree Ring Chronology from 535 to 44 Years Before Present

NOAA/WDS Paleoclimatology - Jacoby - Chisana Air - PCGL - ITRDB AK076 is a tree ring dataset for reconstructing past climate conditions. It provides a chronology from 535 to 44 calendar years before present (BP) for a site in Alaska, United States. The data is archived by the NOAA National Centers for Environmental Information.

Use Cases

• Reconstruct past temperature or precipitation anomalies using tree-ring width measurements as a proxy.
• Calibrate climate models by comparing the tree-ring chronology with known historical climate events.
• Analyze growth patterns and extreme years (e.g., narrow rings) to identify past environmental stressors.

Strengths

• Chronology spans 491 years (from 535 to 44 BP), providing a multi-century climate record.
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• The dataset's last documented update was in 1994, indicating potential staleness and lack of recent maintenance.
• Specific parameters, measurement methods, and sample depth are not detailed in the provided description.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

535 to 44 calendar years before present (BP).

Freshness

null

Geography

Alaska, United States Of America.