Abstract
The program of diamond drilling carried out by the Dominion Observatory and the Meteorological Division, Department of Transport at Resolute Bay during the summers of 1950 to 1953 permitted the placing of thermistors at various intervals to a maximum depth of 650 ft. The thermal conductivity of core samples was determined by the divided‐bar method. The average conductivity combined with the high reciprocal gradient (25.4 m/°C) give a value of the heat flow toward the surface of 2.9 ± 0.4 × 10−6 calories cm−2 sec−1. Extrapolation of the temperature versus depth graph indicates that the permanently frozen region extends to a depth of 1280 ± 10 ft.
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