Physics – Geophysics
Scientific paper
Aug 2007
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007georl..3415309b&link_type=abstract
Geophysical Research Letters, Volume 34, Issue 15, CiteID L15309
Physics
Geophysics
3
Seismology: General Or Miscellaneous, Mathematical Geophysics: Time Series Analysis (1872, 4277, 4475), Nonlinear Geophysics: General Or Miscellaneous, Exploration Geophysics: Radioactivity Methods
Scientific paper
The basic statistical features of radon time series from continuous radon monitoring at the Elat granite, Israel are analysed. A similar analysis is carried out for ancillary and possibly related geophysical parameters for the Elat area. The results show that air temperature, precipitable water and long-wave radiation time series exhibit constant variance over the analyzed period, while radon time series, atmospheric pressure, short-wave radiation and total electron content exhibit heteroscedasticity. Furthermore, for radon and short-wave radiation the variability is associated with the overall mean level, while for atmospheric pressure such an association is not present. The analyzed radon time series not only are non-stationary but also nonlinear, reflecting the complex dynamics of radon emanation and transport in natural subsurface systems.
Barbosa Marconi Soares
Lago P.
Piatibratova O.
Silva Maria Eduarda
Steinitz G.
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