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Showing 1–4 of 4 results
Advanced filters: Author: Timothy T. Creyts Clear advanced filters

  • In the Antarctic interior, assessments of surface mass balance may overestimate accumulation because high winds remove some of the annual snowfall. Geophysical observations reveal localized zones of persistent wind scour (where little or no snow accumulates) that are predicted to occur across approximately 5% of the Antarctic surface.

    • Indrani Das
    • Robin E. Bell
    • Michiel R. van den Broeke
    Research
    Nature Geoscience
    Volume: 6, P: 367-371

  • When basal meltwater refreezes, the resulting warm ice can influence the flow dynamics of the ice sheet above. An analysis of airborne gravity and radar data identifies extensive basal-ice units across the northern Greenland ice sheet that coincide with areas of deformed ice and fast ice flow.

    • Robin E. Bell
    • Kirsteen Tinto
    • John D. Paden
    Research
    Nature Geoscience
    Volume: 7, P: 497-502

  • The effect of increasing surface melt on annual discharge is unknown for the Greenland Ice Sheet. Here, the authors find that Greenland’s largest single-glacier contributor to sea-level rise accommodates basal floods following supraglacial lake-drainage events with limited impact on ice flow.

    • Laura A. Stevens
    • Meredith Nettles
    • Aaron Stubblefield
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-11