Nepalese Tree Ring Chronology from 225 to 28 BCE

Tree ring width data from the Kalingchok site in Nepal provides a 253-year chronology for Southcentral Asia. The dataset was archived by NOAA's World Data Service for Paleoclimatology and originates from a study published in 1978. It serves as a proxy record for historical climate conditions in the region.

Use Cases

• Reconstruct past temperature or precipitation anomalies using annual tree ring width as a climate proxy.
• Calibrate regional climate models by comparing the tree ring chronology with known historical climate events.
• Analyze growth patterns and potential environmental stressors indicated by the ring width time series.
• Establish a dated master chronology for the Kalingchok area to support archaeological or geological dating studies.

Strengths

• Covers a continuous 253-year period from 225 to 28 BCE.
• Geographically specific to a single site (Kalingchok, Nepal) for localized analysis.
• Archived and maintained by the authoritative NOAA World Data Service for Paleoclimatology.

Limitations

• Temporal coverage is relatively short for long-term climate trend analysis.
• Data is from a single site, limiting regional representativeness.
• The dataset has not been updated since its original publication in 1978.

Provenance

Source

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

Collection Method

Tree ring core sampling and measurement (dendrochronology).

Time Range

225 to 28 BCE (calendar years before present).

Freshness

Static archive; last updated in 1978.

Geography

Kalingchok, Nepal, Southcentral Asia.