Mexican Tree Ring Chronology from 200 to 49 BCE

Tree ring width measurements from El Vado, Mexico, provide a 250-year climate proxy record ending in 49 BCE. The dataset is archived by NOAA's World Data Service for Paleoclimatology and was last updated in 1999. It originates from a study by Stahle and the International Tree-Ring Data Bank.

Use Cases

• Calibrating tree-ring width series against known historical climate events for the 250-year period.
• Reconstructing past drought indices or temperature anomalies using the ring-width parameter.
• Comparing the El Vado site chronology with other ITRDB records to analyze regional climate patterns.
• Validating climate model simulations for the late pre-Columbian era in central Mexico.

Strengths

• Covers a continuous 250-year period from 200 to 49 BCE.
• Part of the authoritative NOAA/NCEI Paleoclimatology archive and the International Tree-Ring Data Bank (ITRDB).

Limitations

• Temporal coverage is limited to a single 250-year snapshot, lacking modern or more extensive historical context.
• Data is from a single geographic site (El Vado, Mexico), limiting spatial representativeness.
• Metadata and raw data details are not fully specified in the provided description.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology), likely measuring ring width parameters.

Time Range

200 to 49 calendar years Before Present (BP), which corresponds to 200 BCE to 49 BCE.

Freshness

Last updated in 1999, indicating no recent revisions.

Geography

El Vado, Mexico.