Mertz Drift Sediment Data from George Vth Basin, East Antarctica

Recently discovered drift deposits on the Antarctic continental shelf provide access to information on Holocene palaeoceanography. The dataset, from the Australian Ocean Data Network, includes evidence from 35 kHz sub-bottom profiling and sediment cores. It focuses on the George Vth Basin, an important source of Antarctic Bottom Water.

Use Cases

• Reconstruct Holocene bottom current activity based on sediment core evidence mentioned in the description
• Model variations in Antarctic Bottom Water export based on drift deposit stratigraphy
• Analyze sedimentological processes controlling drift formation based on sub-bottom profiling data

Strengths

• Focuses on a recently discovered and previously inaccessible Antarctic shelf environment
• Integrates sub-bottom profiling (35 kHz) with physical sediment core evidence

Limitations

• Column-level documentation is absent; field semantics must be inferred after download
• Row count is unknown, which may limit suitability assessment

Provenance

Source

Australian Ocean Data Network

Collection Method

35 kHz sub-bottom profiling and sediment core analysis

Time Range

Holocene

Freshness

Last updated 2026-06-04 07:15:25.191390; freshness should be verified

Geography

George Vth continental shelf, East Antarctica