Alaskan Tree Ring Chronology from 377 to 48 Years Before Present

377 to 48 calendar years before present of tree ring width data from Alaska, United States. This paleoclimatology dataset is part of the NOAA NCEI World Data Service for Paleoclimatology tree ring archive. The data was archived by the NOAA National Centers for Environmental Information in 1998.

Use Cases

• Reconstructing past climate variables like temperature or precipitation using tree ring width as a proxy.
• Analyzing the temporal pattern of tree growth anomalies to identify extreme historical climate events.
• Calibrating and validating climate models with long-term, high-resolution proxy data from Alaska.
• Studying the response of boreal forest ecosystems to climate change over a 425-year period.

Strengths

• Covers a 425-year time period (377 to 48 BP) providing a long-term climate record.
• High-resolution annual data typical of dendrochronological studies.
• Curated and archived by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Data is temporally stale, last updated in 1998, potentially missing modern analytical refinements.
• Geographic scope is limited to a single site in Alaska, limiting regional generalization.
• Exact sample size (number of tree cores or series) and measurement specifics are unknown from the provided metadata.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

377 to 48 calendar years before present (BP).

Freshness

1998-01-01

Geography

Alaska, United States Of America.