Articles | Volume 23, issue 9
https://doi.org/10.5194/hess-23-3571-2019
https://doi.org/10.5194/hess-23-3571-2019
Research article
 | 
04 Sep 2019
Research article |  | 04 Sep 2019

Assessing inter-annual and seasonal patterns of DOC and DOM quality across a complex alpine watershed underlain by discontinuous permafrost in Yukon, Canada

Nadine J. Shatilla and Sean K. Carey

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Cited articles

Abbott, B. W., Jones, J. B., Godsey, S. E., Larouche, J. R., and Bowden, W. B.: Patterns and persistence of hydrologic carbon and nutrient export from collapsing upland permafrost, J. Geophys. Res.-Biogeo., 12, 3725–3740, 2015. 
Ågren, A., Buffam, I., Jansson, M., and Laudon, H.: Importance of seasonality and small streams for the landscape regulation of dissolved organic carbon export. J. Geophys. Res.-Biogeo., 112, G03003, https://doi.org/10.1029/2006JG000381, 2007. 
Ågren, A., Haei, M., Kohler, S. J., Bishop, K., and Laudon, H.: Regulation of stream water dissolved organic carbon (DOC) concentrations during snowmelt: The role of discharge, winter climate and memory effects, J. Geophys. Res.-Biogeo., 7, 2901–2913, https://doi.org/10.5194/bg-7-2901-2010, 2010. 
Bache, S. M. and Wickham, H.: magrittr: A Forward-Pipe Operator for R. R package version 1.5, available at: https://CRAN.R-project.org/package=magrittr (last access: 1 February 2019), 2014. 
Balcarczyk, K. L., Jones, J. B., Jaffé, R., and Maie, N.: Stream dissolved organic matter bioavailability and composition in watersheds underlain with discontinuous permafrost, Biogeochemistry, 94, 255–270, 2009. 
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Short summary
High-latitude permafrost environments are changing rapidly due impacts and feedbacks associated with climate warming. We used streamflow and DOC concentrations as well as export estimates and optical indices to better understand how different surface water bodies transport and process dissolved material over multiple seasons and years. Information on DOM quality provides insight into organic material sources and possible composition changes related to higher summer rainfall in summer/fall.