California Tree-Ring Chronology from 281 to 42 BCE

NOAA NCEI archives a tree-ring chronology from the Don Pedro Reservoir and Green Valley sites in California. The data provides paleoclimatic parameters covering a period from 281 to 42 calendar years before present. This study was published by the NOAA World Data Service for Paleoclimatology in 1992.

Use Cases

• Reconstruct past precipitation or temperature anomalies using the tree-ring width chronology.
• Calibrate climate models by comparing the tree-ring proxy data with instrumental records for the region.
• Analyze the frequency of extreme climatic events, such as droughts, indicated by narrow ring sequences.
• Study long-term ecological responses to climate change by examining growth trends over the 323-year period.

Strengths

• Covers a specific 323-year period from 281 to 42 BCE.
• Data is curated and archived by the authoritative NOAA National Centers for Environmental Information.

Limitations

• The dataset is temporally stale, with a last update recorded in 1992.
• The sample size and specific parameters beyond 'tree ring' are unknown from the description.
• Geographic coverage is limited to two specific sites in California.

Provenance

Source

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

Collection Method

Tree-ring analysis (dendrochronology).

Time Range

281 to -42 calendar years before present (BP).

Freshness

1992-01-01

Geography

Don Pedro Reservoir and Green Valley, California, United States of America.