Dead Juniper Wash Tree Ring Chronology from 640 to 22 BCE

Tree ring width data from a site in Arizona provides a 662-year climate record ending 22 years before the common era. NOAA's National Centers for Environmental Information archives this paleoclimatology study for the World Data Service. The dataset was last updated in the NOAA system in 1972.

Use Cases

• Reconstruct annual precipitation or drought indices for the southwestern US using tree ring width as a proxy.
• Calibrate radiocarbon dating models by cross-referencing the tree ring chronology with known calendar years.
• Analyze climate forcing events, such as volcanic eruptions, by identifying narrow ring sequences within the time series.
• Compare the Dead Juniper Wash chronology with other ITRDB site records to assess regional climate coherence.

Strengths

• 662-year continuous chronology from 640 to 22 BCE.
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• The dataset's last system update was in 1972, indicating potential staleness in metadata or format.
• Specific sample depth, measurement statistics, and climate parameter derivations are not provided in the basic description.

Provenance

Source

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

Collection Method

Tree ring core samples analyzed to produce a width chronology.

Time Range

640 to -22 calendar years BP (Before Present, where 0 BP = 1950 CE), covering approximately 662 years ending around 22 BCE.

Freshness

null

Geography

Arizona, United States of America.