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Subsite: Humid zone / Surficial geology: Poorly consolidated sandstone and shale (Lancaster formation). Cretaceous/Tertiary periods. Ice wedge polygons over peat and eolian sand (Allard, 1996).
Subsite: Mesic zone / Surficial geology: Hummocky terrain. Slight downward slope (<10°) towards the gully. A gully is located close to the study site and it connects to lake. Homogenous zone (topography and vegetation). No depression. Study site located on a moraine between the Qarlikturvik valley and the Oasis river
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