Abstract
A FIELD investigation was carried out in April 1961 to determine the distribution of permafrost below a lake in the Mackenzie River delta1–3. This study was of special interest inasmuch as the delta lake is situated in an old river bed and the occurrence of permafrost is considerably affected by the large number of lakes and channels in the immediate vicinity. A similar but more detailed investigation was undertaken by the Division of Building Research of the National Research Council of Canada during April and May 1964 at a small lake about 5 miles north-east of Inuvik, Northwest Territories. This lake was selected because it was completely isolated from other bodies of water which might influence the ground thermal regime.
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References
Johnston, G. H., and Brown, R. J. E., Nature, 192, 251 (1961).
Johnston, G. H., and Brown, R. J. E., Arctic, 17, 162 (1964).
Brown, W. G., Johnston, G. H., and Brown, R. J. E., Canad. Geotech. J., 1, 147 (1964).
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JOHNSTON, G., BROWN, R. Occurrence of Permafrost at an Arctic Lake. Nature 211, 952–953 (1966). https://doi.org/10.1038/211952a0
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DOI: https://doi.org/10.1038/211952a0
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