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Landform-Soil-Vegetation-Water Chemistry Relationships, Wrigley Area, N.W.T.: I. Morphology, Classification, and Site Description¹

ABSTRACT

Five landforms occurring in the intermittent permafrost region of the Mackenzie Valley are described. The five landforms, consisting of distinct soil and vegetative characteristics occur on a transect from the 1170 m ASL (above sea level) position at the summit of Cap Mountain, Wrigley area, N.W.T., to approximately 500 m ASL at the base of the slope. Two soils meet the requirement of a histic epipedon. An area of stone stripe and stone ring formation was encountered at approximately 1000 m ASL and an extensive area of lichen-covered polygonal bogs occurred at approximately 500 m ASL. The soils are described in relation to environmental factors and the processes of cryoturbation causing intermittent horizons are discussed.

¹ Contribution from the Dept. of Soil Science, Univ. of British Columbia, Vancouver, V6T IW5, Canada. Financial support was received from the Canada Dept., Indian and Northern Affairs under the Arctic Land Use Research Program (ALUR).

² Research Associate and Associate Professor respectively, Dep. of Soil Sci., The Univ. of British Columbia, Vancouver 8, B.C.

Received for publication March 15, 1974. Accepted for publication November 5, 1974.