Bass Strait Land-Bridge Palaeogeography with High-Resolution Bathymetry

Geoscience Australia Data provides a dataset on the palaeogeography of the Bass Strait land-bridge, a vital zone of human and biological connectivity across southeastern Australia. The dataset likely contains high-resolution bathymetric data used to model landscape change and shoreline transgression during sea-level rise after the Last Ice Age. The analysis, published in 2025, provides a benchmark for understanding land-bridge flooding and its impact on human migrations.

Use Cases

• Modeling shoreline transgression rates based on high-resolution bathymetry mentioned in the description
• Analyzing the impact of rapid sea-level rise on human movement and connectivity across the Bass Strait region
• Reconstructing palaeogeographic landscapes for archaeological and First Peoples cultural research
• Benchmarking land-bridge flooding events against other global examples of post-glacial sea-level change

Strengths

• Based on high-resolution bathymetry, as stated in the description
• Provides analysis of shoreline transgression rates exceeding 30 m/yr, a specific figure from the input
• Focuses on a key region for human and biological connectivity in southeastern Australia

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment
• Data may reflect geographic bias inherent to the specific study area

Provenance

Source

Geoscience Australia Data

Collection Method

Likely derived from high-resolution bathymetric surveys and palaeogeographic modeling.

Time Range

Covers the period of the Bass Strait land-bridge exposure and flooding after the Last Ice Age.

Freshness

Last updated 2026-05-14 09:13:34.700195; freshness should be verified

Geography

Bass Strait region, separating Lutruwita/Tasmania from mainland Australia.