Statistical uncertainty analysis of radon transport in nonisothermal, unsaturated soils
To accurately predict radon fluxes soils to the atmosphere, we must know more than the radium content of the soil. Radon flux from soil is affected not only by soil properties, but also by meteorological factors such as air pressure and temperature changes at the soil surface, as well as the infiltration of rainwater. Natural variations in meteorological factors and soil properties contribute to uncertainty in subsurface model predictions of radon flux, which, when coupled with a building transport model, will also add uncertainty to predictions of radon concentrations in homes. A statistical uncertainty analysis using our Rn3D finite-element numerical model was conducted to assess the relative importance of these meteorological factors and the soil properties affecting radon transport. 10 refs., 10 figs., 3 tabs.
- Research Organization:
- Pacific Northwest Lab., Richland, WA (USA)
- Sponsoring Organization:
- DOE/ER
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 6274333
- Report Number(s):
- PNL-SA-18155; CONF-901010-2; ON: DE91005107; TRN: 91-001618
- Resource Relation:
- Conference: 29. Hanford symposium on health and the environment: indoor radon and lung cancer--reality or myth, Richland, WA (USA), 16-19 Oct 1990
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
RADIONUCLIDE MIGRATION
STATISTICAL MODELS
SOILS
ENVIRONMENTAL EXPOSURE
FORECASTING
INDOOR AIR POLLUTION
METEOROLOGY
MONTE CARLO METHOD
RADIUM
RADON 222
SOIL MECHANICS
AIR POLLUTION
ALKALINE EARTH METALS
ALPHA DECAY RADIOISOTOPES
DAYS LIVING RADIOISOTOPES
ELEMENTS
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
HEAVY NUCLEI
ISOTOPES
MASS TRANSFER
MATHEMATICAL MODELS
MECHANICS
METALS
NUCLEI
POLLUTION
RADIOISOTOPES
RADON ISOTOPES
540230* - Environment
Terrestrial- Radioactive Materials Monitoring & Transport- (1990-)
540130 - Environment
Atmospheric- Radioactive Materials Monitoring & Transport- (1990-)