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Thermal drilling and deep ice-temperature measurements on the Fox Glacier, Yukon Classen, David Farley

Abstract

During the summer of 1969 a thermal drilling and deep ice-temperature measurement program was carried out on the Fox Glacier, Yukon Territory. The thermal drilling resulted in seven instrumented holes at six locations on the glacier, three reaching bedrock. Temperature measurements indicated that the glacier was below the pressure-melting point throughout and that memory of a disturbed thermal regime existed. Estimates of geothermal heat flow were determined and an anomalous value of 4.73 μcal/cm² sec obtained. Bottom temperature models were developed which indicate the possibility of basal melting.

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