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Widespread partial-depth hydrofractures in ice sheets driven by supraglacial streams - Nature Geoscience

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$Widespread partial-depth hydrofractures in ice sheets driven by supraglacial streams - Nature Geoscience$

Dramatic supraglacial lake drainage events in Greenland and Antarctica are enabled by rapid hydrofracture propagation through ice over 1 km thick. Here we present a slower mode of hydrofracture, where hairline surface fractures intersect supraglacial streams, and hypothesize that penetration depth is critically limited by water supply and englacial refreezing. We develop a model of stream-fed hydrofracture, and

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Widespread partial-depth hydrofractures in ice sheets driven by supraglacial streams - Nature Geoscience

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Widespread partial-depth hydrofractures in ice sheets driven by supraglacial streams - Nature Geoscience

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