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Detailed geomorphological survey of a small mountain drainage area, Abisko, northern Swedish Lapland

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Abstract:

A thorough geomorphological survey of a small (2km2) drainage area has been conducted using digital magnification of aerial photographs in conjunction with field visits. The result presented is a geomorphological map where individual geomorphological features down to metre size can be identified. The study was done in connection with a project focusing on the relationship between geomorphological processes and lacustrine sedimentation. Good knowledge of the geomorphological setting and the related process activity in the catchment is important in studies using lacustrine sediments as environmental archives.

The survey reveals a small–scale geomorphology dominated by a number of different periglacial upfreezing forms together with bedrock–controlled slope processes. Three different geographically separated geomorphological assemblages were recognised with few sediment transportation pathways connecting them. Composition of substrate, soil water content and vegetation cover combined with different slope angles are probably the most important factors controlling the distribution of the geomorphological features.

Keywords: Kärkevagge; gelifluction; ice lens; strain–probe

Document Type: Original Article

DOI: https://doi.org/10.1111/1468-0459.00181

Affiliations: Stockholm University, Sweden

Publication date: 2002-01-01

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