Abstract: This dataset consists of supplementary data tables (S4 to S15) with all underlying data and information on sampling localities. The data derive from a study of reactive phases in suspended particulates in a major Arctic river, the Mackenzie River (largest sediment source to the Arctic Ocean). Data derive from various sampling localities and six sediment cores. Data tables include information on: mass balance verification of leaching method; elemental concentrations of filtrates, sediment residue concentration data and sediment leachate concentr...
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