Southwest Pacific Climatic Reconstructions from 20-10 kyr BP

Geoscience Australia Data provides palaeoclimatic reconstructions for the period 20,000 to 10,000 years before present. The dataset is derived from five sites along a transect from southern New Zealand through Australia to Indonesia, supported by 125 calibrated radiocarbon ages. It was last updated on 2026-04-20.

Use Cases

• Testing hypotheses about hemispheric climate teleconnections based on the multi-site transect.
• Identifying periods of significant climatic change based on the described events at ~17 and ~14.2 kyr BP.
• Studying the role of the West Pacific Warm Pool in global climate change based on the regional focus.
• Investigating the impact of Antarctic ice collapse (Meltwater Pulse-1A) on the Southwest Pacific region.

Strengths

• Data is supported by 125 calibrated radiocarbon ages, providing a chronological framework.
• Covers a key 10,000-year period (20-10 kyr BP) of significant climate transition.
• Spatial coverage includes a transect across five sites in the Southwest Pacific.

Limitations

• The description notes severe geochronological constraints inherent to radiocarbon dating age models.
• Lack of quantified climatic parameters makes detailed interpretations problematic.
• Column-level documentation is absent; field semantics must be inferred after download.

Provenance

Source

Geoscience Australia Data

Collection Method

Climatic reconstructions derived from palaeoclimatic records, likely from sediment cores or similar proxies.

Time Range

20,000 to 10,000 years before present (20-10 kyr BP)

Freshness

Last updated 2026-04-20 02:55:28.501535; freshness should be verified.

Geography

Southwest Pacific, along a transect from southern New Zealand, through Australia to Indonesia.