Dissolved, suspended, and colloidal fluxes of organic carbon, major and trace elements in the Severnaya Dvina River and its tributary
作者： O.S. Pokrovsky , J. Viers , L.S. Shirokova , V.P. Shevchenko , A.S. Filipov
DOI: 10.1016/J.CHEMGEO.2010.02.018
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摘要: Abstract The chemical status of major and trace elements (TE) organic carbon (OC) has been studied in the Severnaya Dvina Pinega rivers draining granitic moraine, carbonate sedimentary deposits Arkhangelsk region (NW Russia, White Sea basin Arctic Ocean). Sampling was performed during winter summer baseflow seasons spring flood (2007–2008). Size separation procedure included on-site filtration through 5 µm, 0.22 µm, 100, 10 1 kDa, dialysis 1 kDa 10 kDa pore-size membranes. concentration “truly” dissolved form ( Trace element concentrations suspended matter River were measured different over three years observation. Based on collected data, we evaluate here, for first time, seasonal fluxes (> 0.22 µm), total
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