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Fig. 3.5 a
Bivariate plot illustrating the ability of
137
Cs and
210
Pb
ex
to discriminate between burnt
and unburnt surface and subsurface sediments within a catchment of the Nattai River near Sydney,
Australia. Radionuclide concentrations were measured on the
<
10m particle-size fraction and were
corrected for radioactive decay fromMay 2002 (figure fromWilkinson et al.
2009
);
b
Illustration of
the use of
7
Be and
137
Cs to discriminate between sources types within cultivated and uncultivated
fields within a small catchment in Mid Devon, UK (from Walling
2013
)
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