Tree Ring Width Chronology from Grassy Mountain, Canada

Tree ring width data from British Columbia, Canada provides a climate proxy record spanning 787 years, from 750 to -37 calendar years before present. The dataset is archived by NOAA's National Centers for Environmental Information under the World Data Service for Paleoclimatology. This specific chronology was contributed as part of the PAGES North America 2K network.

Use Cases

• Reconstruct past temperature or precipitation anomalies by calibrating tree-ring width measurements against instrumental climate records.
• Analyze the frequency and magnitude of extreme climatic events, such as droughts, visible as narrow ring sequences in the chronology.
• Validate or compare regional climate model simulations for the last millennium using the annually-resolved proxy data.
• Study long-term ecological growth trends and forest response to climate change over a multi-century timeframe.

Strengths

• Provides a continuous, annually-resolved climate proxy record covering 787 years.
• Part of the authoritative PAGES North America 2K network for continental-scale climate reconstruction.

Limitations

• The dataset's last update was in 1987, potentially missing modern methodological revisions or extensions.
• Geographic coverage is limited to a single site (Grassy Mountain, British Columbia).
• The raw data format and specific measurement parameters 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), measuring ring width.

Time Range

750 to -37 calendar years BP (Before Present).

Freshness

null

Geography

Grassy Mountain, British Columbia, Canada.