Radon-222 measurements at Cape Point: A characterization of a 15-year time series
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Date
2018Author
Botha, R.
Labuschagne, C.
Williams, A.G.
Bosman, G.
Brunke, E.-G.
Rossouw, A.
Lindsay, R.
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The Cape Point (CPT) Global Atmosphere Watch (GAW) research
station have been monitoring climatically significant trace
gases for four decades. Among these is radon, a naturally
occurring noble gas with a large continental source, which has
proven very useful for atmospheric tracer studies. 222Rn, the
radioactive decay daughter product of radon gas, forms part
of the long-term exposure of radiation dosages that humans
are continuously exposed to in the environment. In a first of
its kind for the African continent, a radon climatology, based
on a 15-year measurement record at CPT, was published in the
Atmospheric Environment journal (www.elsevier.com/locate/
atmosenv).