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High-resolution (4-km) circum-Antarctic ocean-ice shelf model: Whole Antarctica Ocean Model (WAOM4)

Created 28/09/2025

Updated 05/10/2025

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The Whole-Antarctic Ocean Model (WAOM) is based on the Regional Ocean Modelling System (ROMS) with thermodynamic ice shelf interactions following Galton-Fenzi et al. (2012)¹. WAOM simulations of the present-day (year 2007) were used to investigate the physical drivers of Antarctic ice shelf basal melting via an ocean heat budget in a longitudinal framework. Ice shelves buttress the Antarctic Ice Sheet and therefore are critical in the dynamics of ice sheet instability and its contribution to sea level rise. New insights into the seasonal melting mechanisms and its importance at circum-Antarctic scale were investigated in Dias et al (2025)². 1) Galton-Fenzi B, Hunter JR, Coleman R, Marsland SJ, & Warner RC. (2012) Modeling the basal melting and marine ice accretion of the Amery Ice Shelf, Journal of Geophysical Research: Oceans, 117 (C9). https://doi.org/10.1029/2012JC008214 2) Boeira Dias F, England MH, Morrison AK, & Galton-Fenzi B. (2025).: On the seasonal variability of ocean heat transport and ice shelf melt around Antarctica, EGUsphere [preprint], https://doi.org/10.5194/egusphere-2024-3905

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Additional Info

Field Value
Title High-resolution (4-km) circum-Antarctic ocean-ice shelf model: Whole Antarctica Ocean Model (WAOM4)
Language eng
Licence Not Specified
Landing Page https://data.gov.au/data/en/dataset/6e1695f9-101d-4420-8655-c11a9eacc79b
Contact Point
Australian Ocean Data Network
f.boeira_dias@unsw.edu.au
Reference Period 12/12/2022 - 22/09/2025
Geospatial Coverage
Map data © OpenStreetMap contributors
{
  "coordinates": [
    [
      [
        -180.0,
        -90.0
      ],
      [
        180.0,
        -90.0
      ],
      [
        180.0,
        -60.0
      ],
      [
        -180.0,
        -60.0
      ],
      [
        -180.0,
        -90.0
      ]
    ]
  ],
  "type": "Polygon"
}
Data Portal Australian Oceans Data Network

Data Source

This dataset was originally found on Australian Oceans Data Network "High-resolution (4-km) circum-Antarctic ocean-ice shelf model: Whole Antarctica Ocean Model (WAOM4)". Please visit the source to access the original metadata of the dataset:
https://catalogue.aodn.org.au/geonetwork/srv/eng/csw/dataset/high-resolution-4-km-circum-antarctic-ocean-ice-shelf-model-whole-antarctica-ocean-model-waom4