Hazard area and probability of volcanic disruption of the proposed high-level radioactive waste repository at Yucca Mountain, Nevada, USA |
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Authors: | Chih-Hsiang Ho Eugene I Smith Deborah L Keenan |
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Institution: | (1) Department of Mathematical Sciences, University of Nevada, 4505 Maryland Parkway, Las Vegas, NV 89154-4020, USA;(2) Department of Geoscience, University of Nevada, 4505 Maryland Parkway, Las Vegas, NV 89154-4010, USA;(3) Geoscience Consultants, 543 British CT, Henderson, NV 89014, USA |
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Abstract: | Models that calculate the probability that a new volcano or a dike from a nearby eruption will intersect the footprint of the proposed high-level nuclear waste repository are generalized based on a conceptual model developed for the space transportation industry. The proposed hazard area, defined such that every new eruption that occurs there will disrupt the repository, plays a fundamental role in developing probability models. This hazard area is used not only to hedge the uncertainties in predicting patterns of future volcanic activity, but also to account for the characteristics of a new eruption during the post-closure performance period of an underground geologic repository. The paper discusses the advantages of probability comparisons, capabilities of conservativeness measurements and expert-elicitation on model parameters, and the implications to the proposed repository.Paper funded by a contract from the Agency for Nuclear Projects, State of Nevada, USA. |
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Keywords: | Casualty area Dike intrusion Expected casualty Poisson process Recurrence rate Volcanic hazard and risk |
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