Australian Tree Ring Chronology from 664 to 24 BCE

NOAA/WDS Paleoclimatology archives a tree-ring chronology from Lake Newdegate, Australia, compiled by Lamarche. The dataset covers a 688-year period from 664 to 24 BCE (calendar years before present). It is maintained by the NOAA National Centers for Environmental Information under the World Data Service.

Use Cases

• Calibrating climate models by comparing tree-ring width chronologies against instrumental records.
• Analyzing growth anomaly patterns within the 688-year series to identify past drought or pluvial periods.
• Correlating this Australian tree-ring series with other Southern Hemisphere proxies for hemispheric climate synchronization studies.
• Reconstructing annual to decadal-scale temperature or precipitation indices for southeastern Australia.

Strengths

• Provides a 688-year continuous chronology (664 to 24 BCE) for climate analysis.
• Data is archived and curated by the authoritative NOAA NCEI World Data Service for Paleoclimatology.

Limitations

• Temporal coverage ends over 2000 years ago, limiting direct comparison with recent anthropogenic climate change.
• Geographic scope is restricted to a single site (Lake Newdegate, Australia), reducing regional representativeness.
• The last documented update was in 1974, suggesting methodologies may not reflect modern dendrochronological standards.

Provenance

Source

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

Collection Method

Tree-ring data collection and analysis (dendrochronology).

Time Range

664 to 24 BCE (calendar years before present).

Freshness

null

Geography

Lake Newdegate, Australia.