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Development of Radiological Emergency Assistance System "MEASURES" - Situation Awareness Support Tool for Nuclear Emergency Response Activities-

At the time of nuclear emergency, it is important to identify the type and the cause of the accident. Besides with these, it is also important to provide adequate hformation for the emergency response organization to support proper decision making by predicting and evaluating the development of the event and the influence of the release of radioactivity for the environment. MEASURES (Multiple Radiological Emergency Assistance System for Urgent Response) is a support system which provides not only the current state of the nuclear power plant and the influence of the radioactivity for the environment, but also the future prediction of the accident development. In this paper, the concept and the function of MEASURES are introduced from the view point of SA (Situation Awareness) which is one of the recent topic of Human Factors research.