Ash Canyon Ponderosa Pine Tree Ring Chronology from 383 to 47 BCE

430 years of tree-ring width data from Ponderosa Pine (PIPO) in Ash Canyon, Nebraska, collected for paleoclimate reconstruction. The dataset is archived by NOAA's National Centers for Environmental Information under the World Data Service for Paleoclimatology. The original study was published in 1997.

Use Cases

• Reconstruct annual precipitation or drought indices for the Great Plains using the tree-ring width chronology as a proxy.
• Calibrate the tree-ring series against instrumental climate records to validate its sensitivity to temperature or moisture.
• Analyze growth anomalies in the ring-width data to identify extreme climatic events, such as severe droughts, within the 430-year period.
• Compare this Ponderosa Pine chronology with other regional tree-ring datasets to assess spatial coherence of past climate signals.

Strengths

• Covers a 430-year time period from 383 to 47 BCE, providing a long-term paleoclimate record.
• Data is curated and archived by NOAA NCEI, an authoritative source for paleoclimate data.
• Includes specific geographic location (Ash Canyon, Nebraska) and species identification (Pinus ponderosa).

Limitations

• Data is temporally stale, with a last update recorded in 1997, potentially lacking modern reanalysis.
• The sample size (number of individual tree cores) and replication statistics are unknown from the provided metadata.
• Limited to a single geographic site, which may not represent broader regional climate patterns without additional datasets.

Provenance

Source

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

Collection Method

Tree-ring data collected via dendrochronological core sampling from Ponderosa Pine trees.

Time Range

383 to 47 BCE (calendar years before present).

Freshness

null

Geography

Ash Canyon, Nebraska, United States of America.