Crater Lake Tree Ring Chronology from 386 to -33 BP

Tree ring data from the Crater Lake region in Oregon, USA, spans 419 calendar years from 386 to -33 BP. The dataset is archived by NOAA's National Centers for Environmental Information under its Paleoclimatology program. The data was published in 1983.

Use Cases

• Reconstruct past climate parameters like temperature or precipitation using tree ring width measurements.
• Analyze long-term ecological trends by correlating the tree ring chronology with known historical climate events.
• Validate climate models by comparing simulated past conditions with the proxy data from this chronology.
• Study forest growth dynamics over a 419-year period using the annual resolution of the tree ring series.

Strengths

• Time series covers 419 calendar years, providing a long-term ecological record.
• Data is curated and archived by NOAA's authoritative World Data Service for Paleoclimatology.
• Geographic location is precisely specified as Crater Lake NE-Medford, Oregon, USA.

Limitations

• Data is temporally stale, last updated in 1983 and may not reflect modern analysis techniques.
• Specific parameters (e.g., ring width, density) and sample sizes are unknown from the provided description.
• The calendar year range includes negative values (-33 BP), which may require careful interpretation and calibration.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

386 to -33 calendar years before present (BP).

Freshness

1983-01-01

Geography

Crater Lake NE-Medford, Oregon, United States Of America.