Keith-Roach, Miranda J; Day, J P; Fifield, L Keith; Bryan, Nicholas D; Livens, Francis
The porewater concentrations of the transuranium elements Np, Pu, and Am have been measured over time at a salt marsh in west Cumbria, U.K., and all three show seasonal variations. Pu follows the pattern previously observed at this site very closely, with concentrations reaching a maximum of 3.2 mBq L-1 and a minimum of 0.8 mBq L-1 in 1996, compared with 3.5 mBq L-1 and 1.1 mBq L-1, respectively, in 1994. However, no relationship with dissolved Fe and Mn concentrations was observed in this...[Show more]
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