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Browsing Hawai'i Institute of Geophysics & Planetology (HIGP) by Subject "radon"

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  • Chen, C.; Thomas, D.M. (Journal of Environmental Quality, 1994-01/19)
    We have conducted a field study of soil gas transport processes using radon gas as a naturally occurring tracer. The experiment monitored soil gas radon activity, soil moisture, and soil temperature at depth; barometric ...
  • Thomas, D.M.; Cotter, J.M.; Holford, D. (Journal of Radioanalytical and Nuclear Chemistry, 1991-12-13)
    An effort to define and characterize the environmental effects that control the release and mobility of radon in the environment is presented. The results of our preliminary field experiments on the long-term study of our ...
  • Cox, Malcolm E. (American Geophysical Union, 1980)
    Rates of ground radon emanation, in the Puna geothermal area on the lower east rift of Kilauea volcano, were measured by alpha particle sensitive cellulose nitrate films. The survey successfully defined an area of thermal ...
  • Chen, C.; Thomas, D.M.; Green, R.E.; Wagenet, R.J (Soil Science Society of America Journal, 1993-05/19)
    Estimation of hydraulic: properties or soils having macropores is difficult, yet very important for describing soil-water flow dynamics. Conventional approaches of defining macroporosity based on pore size may not be ...

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