Multiproxy ENSO Reconstructions from 425 to -32 BP

NOAA National Centers for Environmental Information provides climate reconstructions for the Pacific Ocean region using ice core and tree ring parameters. The data covers a time period from 425 to -32 calendar years before present. This archived study was published by Braganza et al. in 2009.

Use Cases

• Analyze historical ENSO indices derived from multiproxy records like ice cores and tree rings.
• Correlate reconstructed climate parameters from the Pacific Ocean with other paleoclimate datasets.
• Validate climate model simulations of ENSO dynamics over the past several centuries.
• Study long-term trends and periodicity in El Niño and La Niña events using the provided time-series reconstructions.

Strengths

• Data spans a significant historical period of 457 years (from 425 to -32 BP).
• Reconstructions are based on multiproxy sources, combining ice core and tree ring data.

Limitations

• The dataset's last known update was in 1982, indicating potential staleness relative to modern methods.
• Specific sample sizes, row counts, and data resolution for individual proxy records are not provided.

Provenance

Source

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

Collection Method

Climate reconstruction from archived paleoclimatology study using multiproxy data (ice cores, tree rings).

Time Range

425 to -32 calendar years before present (BP).

Freshness

Data was last updated in 1982.

Geography

Pacific Ocean.