Mt. St. Helens Douglas Fir Tree Ring Chronology

Tree ring data from Douglas Fir (ABAM) trees near Mt. St. Helens in Washington, USA, spans 374 years from 341 to -33 calendar years before present. The NOAA National Centers for Environmental Information (NCEI) provides this paleoclimatology study, archived in 1983.

Use Cases

• Reconstruct past temperature or precipitation anomalies using annual tree ring width measurements.
• Calibrate regional climate models by comparing the tree ring chronology with other proxy records.
• Analyze growth patterns and environmental stressors from the ring width time-series data.
• Establish a reference chronology for dating other archaeological or geological samples in the Pacific Northwest.

Strengths

• Time series spans 374 calendar years.
• Data is curated by NOAA's authoritative World Data Service for Paleoclimatology.

Limitations

• Data is temporally stale, last updated in 1983.
• Geographic coverage is limited to a single site near Mt. St. Helens.
• Specific parameters, sample size, and measurement details are unknown.

Provenance

Source

NOAA National Centers for Environmental Information (NCEI)

Collection Method

Tree ring sampling and measurement.

Time Range

341 to -33 calendar years before present (BP)

Freshness

1983-01-01

Geography

Washington, United States Of America (near Mt. St. Helens)