Chemical denudation rates in Kärkevagge, Swedish Lapland

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Abstract:

This study examines the spatial and temporal variability of chemical denudation rates in Kärkevagge, northern Sweden. The chemical flux rates within the valley are strongly influenced by the local geology. Chemical denudation rates determined for the study period are more than double those previously reported in the literature for this valley. Rates of greater than 46t km−2 a−1 were measured at the valley mouth over the course of the melt season. This difference is likely due to differences in measurement technique compared to that used by past researchers. This rate is also much higher than for other arctic and alpine watersheds. Chemical denudation in Kärkevagge is comparable to larger temperate rivers. The rapid chemical denudation in Kärkevagge is likely due to sulfide weathering creating acid solutions.

Keywords: arctic–alpine; denudation; periglacial

Document Type: Original Article

DOI: http://dx.doi.org/10.1111/1468-0459.00172

Affiliations: 1: University of Kentucky, 2: University of Arkansas, 3: University of Illinois

Publication date: January 1, 2002

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