Geomorphology of the Sabrina Coast Continental Slope, East Antarctica (112°E-122°E)

East Antarctica's Sabrina Coast, from 112°E to 122°E, features submarine canyons and ridges formed by sediment processes. The dataset, published in Marine Geology in 2020, describes a mixed contourite-turbidite system seaward of the Totten Glacier. It likely contains geomorphological features indicating cycles of glacial and ocean interaction.

Use Cases

• Classifying submarine canyon and ridge morphology based on described thalweg shapes and asymmetry.
• Modeling sediment transport pathways based on described processes of turbidity currents and contourite formation.
• Correlating geomorphological features with glacial history based on the link to Totten Glacier sediment supply.
• Identifying potential sediment core sampling sites based on described ridge locations for paleoclimate records.

Strengths

• Describes a distinct geomorphological system divided into eastern and western areas with different formation processes.
• Links specific features like concave and convex thalwegs to different sediment sources and climate cycles.
• Based on peer-reviewed research published in Marine Geology, Volume 427, 2020.

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

Australian Ocean Data Network

Collection Method

Marine geological survey and analysis, likely involving bathymetric data.

Time Range

Study published in 2020; temporal coverage of underlying data is not specified.

Freshness

Last updated 2026-06-23 05:09:19.897542; freshness should be verified.

Geography

Continental slope and rise seaward of the Totten Glacier, East Antarctica (112°E to 122°E).