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The Maud Rise polynya is a persistent area of open water within the sea ice cover of the Southern Ocean, which overlies an area of elevated topography called Maud Rise (66°S, 3°E) located in the eastern sector of the Weddell Sea (Fig. SB6.1a).
Sea ice freeboard distributions are detennined from ICESat measurements of mean surface … elevations with a range precision of -2 cm over 70 m footprints spaced by 170 m along … track. Freeboard (snow cover plus sea ice) distributions are constructed from elevation … measurements within :i:
Accurate assessments of the past and future mass budgets of polar ice sheets are essential to resolving contributions to past sea-level rise and projecting responses to climate change respectively. Both tasks require that ice accumulation and ice flow are each accurately described…