Arizona Ponderosa Pine Tree Ring Chronology from 250 to -35 BP

Tree ring width measurements from Ponderosa Pine (PIPO) trees in Arizona, collected by Graybill as part of the Grasshopper Recollection study. The chronology covers 285 years, from 250 to -35 calendar years before present. This archived dataset is maintained by NOAA's National Centers for Environmental Information under its Paleoclimatology program.

Use Cases

• Reconstruct historical climate variables like precipitation by analyzing annual tree_ring_width variations.
• Calibrate radiocarbon dating curves by cross-referencing the dated tree_ring chronology with other paleoclimate proxies.
• Study forest growth responses to past environmental events using the year-by-year growth record.
• Validate climate model simulations for the southwestern US against the empirically derived multi-century chronology.

Strengths

• Chronology spans 285 calendar years, providing a multi-century environmental record.
• Data is archived and curated by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Dataset is temporally stale, with a last update recorded in 1985.
• The geographic coverage is limited to a specific location in Arizona, United States.
• The exact sample size (number of tree cores) and measurement parameters are not specified in the provided metadata.

Provenance

Source

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

Collection Method

Tree ring data collection (dendrochronology) from Ponderosa Pine trees.

Time Range

250 to -35 calendar years before present (BP).

Freshness

1985-01-01

Geography

Arizona, United States Of America.