Abstract：
:An intercomparison of atmospheric dispersion models has been carried out for a hypothetical accident occurring in a nuclear power plant in the center of Spain. The accident consisted of a steam generator tube rupture, and two radionuclides have been considered for the exercise: 137-Cs and 131-I. Meteorological conditions and radionuclide release rates were supplied. Models provided deposition maps, timeintegrated concentrations in air and arrival times of the plumes to specific locations. The effect of the meteorological conditions used in the modelling was clear, with different behavior of the plume with neutral stability vs. stable conditions. The predicted arrival times of the plume at specific locations showed much less variability than deposition and air concentrations. This variability in part reflects the uncertainties inherent in atmospheric dispersion modelling and in the selection of parameter values, such as deposition velocities or diffusivities.
journal_name
J Environ Radioactjournal_title
Journal of environmental radioactivityauthors
Periáñez R,Thiessen KM,Chouhan SL,Mancini F,Navarro E,Sdouz G,Trifunović Ddoi
10.1016/j.jenvrad.2016.05.027subject
Has Abstractpub_date
2016-10-01 00:00:00pages
225-234eissn
0265-931Xissn
1879-1700pii
S0265-931X(16)30190-4journal_volume
162-163pub_type
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