Tidal synchronicity of built-environment radon levels in the UK

Crockett, R.G.M., Gillmore, G.K., Phillips, P.S., Denman, A.R. and Groves-Kirkby, C.J. (2006) Tidal synchronicity of built-environment radon levels in the UK. Geophysical Research Letters, 33(5), 0-0. ISSN (print) 0094-8276


In our recent work on radon in UK homes the authors have observed tidal-periodic variations in built-environment radon levels and here report results from our ongoing investigations. These tidal variations have been quantified using a variety of analytical techniques, including a novel correlation technique developed as part of this investigation. The observed variations are cyclic at the 14-15 day tidal period and lag new/full moons by varying periods of days, the magnitude of the variation and lag being dependent on factors such as location, underlying geology and rock/soil hydration. As well as quantification and discussion of tidal effects on radon levels, the potential effects of such phenomena on the reliability of short-term radon measurements are discussed.

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