Abstract:Marine ice sheets are highly sensitive to submarine melting in their grounding zones, where they transition between grounded and floating ice. Recently published studies of the complex hydrography of grounding zones suggest that warm ocean water can intrude large distances beneath the ice sheet, with dramatic consequences for ice dynamics. Here, we develop a model to capture the feedback between intruded ocean water, the melting it induces, and the resulting changes in ice geometry. We reveal a sensitive depen… Show more
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