Grass Mountain Tree Ring Chronology for Paleoclimate Analysis

A 339-year tree-ring chronology from Grass Mountain in Montana, USA, provides data for paleoclimate reconstruction. The time period coverage spans from 290 to -49 calendar years before present. This archived study is maintained by the NOAA National Centers for Environmental Information under the World Data Service for Paleoclimatology and was last updated in 1999.

Use Cases

• Reconstruct past temperature or precipitation anomalies by analyzing the tree-ring width chronology.
• Calibrate the tree-ring chronology against known climate events within its 339-year temporal coverage.
• Compare this Montana site's growth patterns with other regional chronologies to identify broader climate signals.
• Validate climate model simulations for the last few centuries using this high-resolution proxy record.

Strengths

• Provides a 339-year continuous chronology for climate analysis.
• Data is archived and maintained by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -49 BP (approximately 1999 AD), lacking recent decades.
• Data is from a single site (Grass Mountain, Montana), limiting spatial representativeness.
• Specific measurement parameters and sample depth are not detailed in the provided description.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology).

Time Range

290 to -49 calendar years before present (BP).

Freshness

Last updated in 1999; dataset is archival and not actively updated.

Geography

Grass Mountain, Montana, United States Of America.