Tree Ring Chronology from Sierra del Carmen Los Cojos, Mexico

144-year tree ring chronology from 123 to -21 calendar years before present, covering the Sierra del Carmen Los Cojos region in Coahuila, Mexico. This paleoclimatology dataset was archived by the NOAA National Centers for Environmental Information under its World Data Service. The data was originally published in 1971.

Use Cases

• Reconstruct past climate variables like temperature or precipitation using tree ring width measurements.
• Analyze long-term environmental history and ecological shifts in the Coahuila region from the time-series data.
• Calibrate and validate climate models for North America using this high-resolution proxy record.
• Study the frequency and severity of historical drought events indicated in the ring chronology.

Strengths

• Time series covers 144 calendar years, providing a multi-decadal climate record.
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends at -21 BP (21 years after 1950), making the data stale for recent climate studies.
• Sample size and replication level of the underlying tree cores are unknown, potentially affecting statistical robustness.
• Geographic coverage is limited to a single site in Coahuila, Mexico.

Provenance

Source

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

Collection Method

Tree ring analysis (dendrochronology).

Time Range

123 to -21 calendar years before present (BP).

Freshness

null

Geography

Sierra del Carmen Los Cojos, Coahuila de Zaragoza, Mexico.