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Speciation of naturally-accumulated uranium in an organic-rich soil of an alpine region (Switzerland)

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Academic year: 2021

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Figure

Fig. 1. Location of the four sampling areas (A1–A4) in the Dischma Valley, close to Davos (Grisons, Switzerland)
Fig. 2. Concentration profiles of Fe(II), sulfate, U(VI), and pH value over depth in the porewater sampler (PW 3).
Fig. 3. Depth profile of the radio isotopes 230+240 Pu (dashed line), 137 Cs (dotted line) and 238 U (solid line) as measured in sample E1
Fig. 4. Uranium and organic matter association. (a) Association between U and TOC in 21 core samples collected along the Dischma valley (see map; SI Fig
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