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A 25–30 yr surge cycle anticipated by Post (1972) was confirmed by the 1993–1995 surge, although the advance culminated more than a kilometer short of the 1965–1967 surge limit. During the initial 6 mo. of the 1993–1995 surge the eastern terminus of the Bering Glacier Piedmont Lobe advanced 1.0–1.5 km at a rate that varied between 1.0–7.4 m/d, and thickened by an estimated 125–150 m. One year after the surge began an outburst of pressured subglacial water temporarily interrupted basal sliding and slowed ice front advance. Within days gravel and blocks of ice transported and deposited by that flood partially...

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