From Australian Oceans Data Network
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Andvord Drift: a new type of inner shelf, glacial marine deposystem from the Antarctic Peninsula

Created 12/02/2026

Updated 12/02/2026

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Hemipelagic, sediment drift deposits have been discovered and mapped on the Antarctic Peninsula shelf in 300-500 m water depth. The drift located adjacent to Andvord Bay covers 44.5 km2 and exhibits continuous and discontinuous parallel reflections that conform to peaks and valleys in the acoustic basement as observed in deep-tow boomer and sparker seismic records. This style of drift deposit is a common feature of deep oceanic sediments, but is not normally found in continental shelf environments.

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Additional Info

Field Value
Title Andvord Drift: a new type of inner shelf, glacial marine deposystem from the Antarctic Peninsula
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/dataset/48599eb7-42ee-40cf-b90f-4e81cd2a2e9c
Contact Point
Australian Ocean Data Network
clientservices@ga.gov.au
Reference Period 22/04/2018
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        63.5,
        -65.5
      ],
      [
        62.0,
        -65.5
      ],
      [
        62.0,
        -64.5
      ],
      [
        63.5,
        -64.5
      ],
      [
        63.5,
        -65.5
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "Andvord Drift: a new type of inner shelf, glacial marine deposystem from the Antarctic Peninsula". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/andvord-drift-a-new-type-of-inner-shelf-glacial-marine-deposystem-from-the-antarctic-peninsula4