Illustration of glacier and lake beneath (IMAGE)

University of Hawaii at Manoa

Illustration of glacier and lake beneath

Caption

Illustration of the water movement that may have triggered the flood of June 2015 (arrows indicate flow direction): the subglacial lake, warmed to 4?C by geothermal input, the perched reservoir fed by summer melt through the firn layer, a water-filled system of crevasses and conduits (moulins), our borehole, and the outlet under the ice dam.

Credit

Gaidos, et al. (2020)

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