Speaker
Description
Zaporizhya Nuclear Power Plant is facing the risk of unexpected accidents. If it is damaged, lots of radioactive materials will be released into the air. The atmospheric dispersion model named LADAS (Lagrangian Atmospheric Dose Assessment System) was applied to evaluate the behaviour of radioactive material released into the air for the hypothetical nuclear accident at Zaporizhya. The global meteorological data used with the input produced by KMA (Korea Meteorological Administration), and the amount of Cs137 released to the air was considered with those of the Chernobyl accident. From the simulations, the radioactive plumes were transported to the area of European countries near Zaporizhya in an early phase of the accident and they moved to Asian areas by westerlies after one week of the accident. A radiological emergency preparedness system in Korea has been developed to predict the behaviour of radioactive material released into the environment and to estimate the dose assessment for humans. It can evaluate the dispersion patterns of radionuclides in the air and ocean, and the short term and long term radiological effects of a nuclear accident on humans. The system is now operating to evaluate the radiological effects of nuclear facility accidents around the world.
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