Bathymetric Map of Submarine Valleys on the Ceduna Terrace, South Australia

Numerous submarine valleys dissect the gently sloping Ceduna Terrace off South Australia, forming a dendritic tributary system. These broad, shallow valleys were likely eroded by turbidity currents during low sea-level stands, with most developing during the Quaternary period. The detailed bathymetric map was compiled by the Australian Ocean Data Network.

Use Cases

• Modeling turbidity current erosion patterns based on the described dendritic valley system.
• Analyzing the relationship between sea-level change and submarine valley formation during the Quaternary.
• Mapping submarine geomorphology and canyon feeder systems for marine spatial planning.

Strengths

• Detailed bathymetric map compiled for a specific geographic region.
• Description provides specific geological hypotheses for valley formation (turbidity currents, low sea-level stands).
• Includes temporal context, suggesting most valleys developed during the Quaternary.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Data files are in PDF and HTML formats, which may require extraction for analysis.

Provenance

Source

Australian Ocean Data Network

Collection Method

Compilation of a detailed bathymetric map.

Time Range

Quaternary period, with some possible Tertiary origins.

Freshness

Last updated 2026-06-04 06:41:19.192055; freshness should be verified.

Geography

Ceduna Terrace, off the coast of South Australia.