Abstract
ABSTRACT Alexander, C.R. and Windom, H.L., 2017. Material mobilization and transport in the Anadyr River-Estuarine system, eastern Siberia. Water and sediments samples collected from the Anadyr River, one of the most pristine Siberian watersheds, and its associated estuarine and coastal region were analyzed for a variety of inorganic constituents, trace metals, and stable and radioisotopes to assess the mobilization and fate of materials transported along this fluvial–marine pathway. Sampling campaigns occurred during high and waning river discharge: the former concentrated primarily on the fluvial part of the system and the latter, the estuarine and coastal areas. A major focus of this report is on trace metal geochemistry, but results also address sediment provenance, transport, and deposition. The fluvial concentrations of most of the trace metals analyzed (i.e. Fe, Mn, Co, Cu, Ni) are elevated in thermokarsted areas along the river course because of groundwater inputs to surface waters, presumably res...
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