A review of validation studies for the Gaussian plume atmospheric dispersion model
Journal Article
·
· Nucl. Saf.; (United States)
OSTI ID:5588029
The Gaussian plume model is the atmospheric dispersion model most widely used for estimating airborne radionuclide exposures within 80 km of the release point. The best overall uncertainty determination for such a model is a comparison of modeling predictions with environmental measurements for conditions similar to those assumed by the model. This article reviews such published comparisons and indicates that annual average air concentrations over flat terrain can be predicted within a factor of 2 to 4 using the Gaussian plume model. However, the accuracy of this model decreases as the averaging time decreases and/or the complexity of the meteorological and terrain conditions increases. More validation studies are needed to determine whether more-complex models should supplement the Gaussian model in radiological assessments under some circumstances. This review can provide guidance to decision makers who use Gaussian plume model predictions in specific radiological dose assessments such as those found in environmental impact statements and safety analysis reports.
- Research Organization:
- Illinois Dept. of Nuclear Safety, Springfield; Dept. of Energy, Washington, DC
- OSTI ID:
- 5588029
- Journal Information:
- Nucl. Saf.; (United States), Journal Name: Nucl. Saf.; (United States) Vol. 28:4; ISSN NUSAA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
22 GENERAL STUDIES OF NUCLEAR REACTORS
220500 -- Nuclear Reactor Technology-- Environmental Aspects
220900* -- Nuclear Reactor Technology-- Reactor Safety
AEROSOLS
ATMOSPHERIC CHEMISTRY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMISTRY
COLLOIDS
DATA COVARIANCES
DAYS LIVING RADIOISOTOPES
DISPERSIONS
EVEN-ODD NUCLEI
FALLOUT
FALLOUT DEPOSITS
FISSION PRODUCT RELEASE
GAUSSIAN PROCESSES
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 131
IODINE ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
MATHEMATICAL MODELS
NUCLEI
ODD-EVEN NUCLEI
PARTICLES
PARTICULATES
PLUMES
RADIOISOTOPES
REACTOR SAFETY
SAFETY
SOLS
TESTING
VALIDATION
YEARS LIVING RADIOISOTOPES
220500 -- Nuclear Reactor Technology-- Environmental Aspects
220900* -- Nuclear Reactor Technology-- Reactor Safety
AEROSOLS
ATMOSPHERIC CHEMISTRY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CHEMISTRY
COLLOIDS
DATA COVARIANCES
DAYS LIVING RADIOISOTOPES
DISPERSIONS
EVEN-ODD NUCLEI
FALLOUT
FALLOUT DEPOSITS
FISSION PRODUCT RELEASE
GAUSSIAN PROCESSES
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
IODINE 131
IODINE ISOTOPES
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
KRYPTON 85
KRYPTON ISOTOPES
MATHEMATICAL MODELS
NUCLEI
ODD-EVEN NUCLEI
PARTICLES
PARTICULATES
PLUMES
RADIOISOTOPES
REACTOR SAFETY
SAFETY
SOLS
TESTING
VALIDATION
YEARS LIVING RADIOISOTOPES