Biogeochemistry of “pristine” freshwater stream and lake systems in the western Canadian Arctic

J.F. Dean, M.F. Billett, R. Baxter, K.J. Dinsmore, J.S. Lessels, L.E. Street, J-A. Subke, D. Tetzlaff, I. Washbourne, P.A. Wookey

Research output: Contribution to JournalArticleAcademicpeer-review


Climate change poses a substantial threat to the stability of the Arctic terrestrial carbon (C) pool as warmer air temperatures thaw permafrost and deepen the seasonally-thawed active layer of soils and sediments. Enhanced water flow through this layer may accelerate the transport of C and major cations and anions to streams and lakes. These act as important conduits and reactors for dissolved C within the terrestrial C cycle. It is important for studies to consider these processes in small headwater catchments, which have been identified as hotspots of rapid mineralisation of C sourced from ancient permafrost thaw. In order to better understand the role of inland waters in terrestrial C cycling we characterised the biogeochemistry of the freshwater systems in a c. 14 km
Original languageEnglish
Publication statusPublished - 2016


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