http://bolin.su.se/data/campeau-2020-mackenzie-1 Audrey Campeau, Anne Sørensen, Tonu Martma, Staffan Åkerblom, Christian Zdanowicz Bolin Centre Database 2020 Datafile Terrestrial Arctic carbon Radiocarbon Dissolved organic carbon Particulate organic carbon Water stable isotope ratio Mackenzie River Canada Arctic Earth science > Terrestrial hydrosphere > Water quality/water chemistry > Organic matter Audrey Campeau 2020-10-26T11:53:35+00:00 English 1 The dataset contains suppementary data tables for the publication by Campeau et al. (2020). The data are included in one xlsx spreadsheet file. The same data are also available in four comma-separated values (csv) files. **Table S1** — Summary of landscape properties of the three geological provinces in the MRB (Cordillera, Interior Platform, Canadian Shield), including landcover, bedrock type, surface material type, permafrost type. **Table S2** — Sample collection details and basic water properties. **Table S3** — Radiocarbon analyses of organic matter in river water (Dissolved Organic Carbon, Particulate Organic Carbon). **Table S4** — Catchment properties. Details regarding the sampling and analytical procedure can be found in the article by Campeau et al. (2020).