Speaker
Description
The Greek Atomic Energy Commission (EEAE), as the national regulatory authority, is responsible for ensuring radiological protection and nuclear safety. To this end, EEAE focuses on the assessment of nuclear or radiological emergencies, which may entail radiological risk for the country. In this context, a series of hypothetical nuclear detonation tests were simulated and studied, using atmospheric dispersion software HYSPLIT [1].
This work initially focuses on reproducing the 1957 Operation Plumbbob “Smoky” test in Nevada. The results, in terms of dose and dose rate, were compared with historical measurements and previous studies [2]. Following satisfactory agreement, a series of nuclear detonation scenarios were simulated across selected regions of interest in Europe. The detonations were reproduced with varying yield values. The resulting dose rates and projected public doses were evaluated and linked to corresponding protective actions.
References
[1] Draxler, R. R., and G. D. Hess, An overview of the HYSPLIT_4 modeling system for trajectories, dispersion, and deposition. Aust. Meteor. Mag., 47, 295–308 (1998)
[2] Rolph, Ngan, Draxler. Modeling the Fallout from Stabilized Nuclear Clouds Using the HYSPLIT Atmospheric Dispersion Model. Journal of Environmental Radioactivity, Vol136, pp. 41-55 (2014)
[3] Moroz, Brian E., Beck, Harold L., Bouville, André. Predictions of Dispersion and Deposition of Fallout from Nuclear Testing Using the NOAA-HYSPLIT Meteorological Model. Health Physics. Aug;99(2):252-69 (2010)