450 calendar years of tree-ring width data from Pinus ponderosa (PIPO) trees at Great Sand Dunes, Colorado. The dataset is archived by NOAA's World Data Service for Paleoclimatology and was originally published in 1980. It provides a proxy record for historical climate conditions.
Use Cases
- Reconstruct past climate variables like precipitation or temperature by analyzing the time-series of tree-ring width measurements.
- Calibrate and validate climate models using the 450-year proxy record of annual tree growth.
- Study the response of Pinus ponderosa (PIPO) growth to environmental stressors across the documented time period.
- Compare this site-specific chronology with other regional tree-ring datasets for spatiotemporal climate analysis.
Strengths
- Provides a 450-year continuous chronology from 450 to -30 calendar years BP.
- Data is curated and archived by the authoritative NOAA/NCEI World Data Service for Paleoclimatology.
Limitations
- The dataset's last update was in 1980, making it temporally stale relative to modern dendrochronological methods.
- Geographic coverage is limited to a single site (Great Sand Dunes, Colorado), reducing regional representativeness.
- The specific sample size (number of tree cores) and measurement details are unknown from the provided metadata.
Provenance
- Source
- NOAA National Centers for Environmental Information (NCEI), World Data Service for Paleoclimatology.
- Collection Method
- Tree-ring analysis (dendrochronology) of Pinus ponderosa samples.
- Time Range
- 450 to -30 calendar years before present (BP).
- Freshness
- null
- Geography
- Great Sand Dunes, Colorado, United States of America.