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A Study of the Fukushima Daiichi Nuclear Accident Process

Author: Michio Ishikawa

Publisher: Springer

Published: 2015-08-12

Total Pages: 241

ISBN-13: 4431555439

Written by an expert in the field, this book is perfect for those who would like to know what happened at the Fukushima Daiichi Nuclear Power Plant. Part 1 of the book studies how core melts occurred in Fukushima Daiichi units 1, 2, and 3, respectively, based on evidence from the Three-Mile Island core melt accident and fuel behavior experiments performed in the 1970s under the cooperation between the United States, Germany, and Japan. This information explains the accident processes without contradicting data from Fukushima, which was published in the TEPCO report. The hydrogen explosions in units 1, 3, and 4 are also explained logically in conjunction with the above core melt process. Part 2 clarifies how the background radiation level of the site doubled: The first rise was just a leak from small openings in units 1 and 3 associated with fire-pump connection work. The second rise led to direct radioactive material release from unit 2. Evacuation dose adequacy and its timing are discussed with reference to the accident process, and the necessity for embankments surrounding nuclear power plants to increase protection against natural disasters is also discussed. New proposals for safety design and emergency preparedness are suggested based on lessons learned from the accident as well as from new experiences. Finally, a concept for decommissioning the Fukushima site and a recovery plan are introduced.

Lessons Learned from the Fukushima Nuclear Accident for Improving Safety of U.S. Nuclear Plants

Author: National Research Council (U.S.). Committee on Lessons Learned from the Fukushima Nuclear Accident for Improving Safety and Security of U.S. Nuclear Plants

Publisher: National Academy Press

Published: 2014-10-29

Total Pages: 394

ISBN-13: 9780309272537

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The March 11, 2011, Great East Japan Earthquake and tsunami sparked a humanitarian disaster in northeastern Japan. They were responsible for more than 15,900 deaths and 2,600 missing persons as well as physical infrastructure damages exceeding $200 billion. The earthquake and tsunami also initiated a severe nuclear accident at the Fukushima Daiichi Nuclear Power Station. Three of the six reactors at the plant sustained severe core damage and released hydrogen and radioactive materials. Explosion of the released hydrogen damaged three reactor buildings and impeded onsite emergency response efforts. The accident prompted widespread evacuations of local populations, large economic losses, and the eventual shutdown of all nuclear power plants in Japan. "Lessons Learned from the Fukushima Nuclear Accident for Improving Safety and Security of U.S. Nuclear Plants" is a study of the Fukushima Daiichi accident. This report examines the causes of the crisis, the performance of safety systems at the plant, and the responses of its operators following the earthquake and tsunami. The report then considers the lessons that can be learned and their implications for U.S. safety and storage of spent nuclear fuel and high-level waste, commercial nuclear reactor safety and security regulations, and design improvements. "Lessons Learned" makes recommendations to improve plant systems, resources, and operator training to enable effective ad hoc responses to severe accidents. This report's recommendations to incorporate modern risk concepts into safety regulations and improve the nuclear safety culture will help the industry prepare for events that could challenge the design of plant structures and lead to a loss of critical safety functions. In providing a broad-scope, high-level examination of the accident, "Lessons Learned" is meant to complement earlier evaluations by industry and regulators. This in-depth review will be an essential resource for the nuclear power industry, policy makers, and anyone interested in the state of U.S. preparedness and response in the face of crisis situations.

The Fukushima Daiichi Nuclear Power Station Disaster

Author: The Independent Investigation on the Fukushima Nuclear Accident

Publisher: Routledge

Published: 2014-03-05

Total Pages: 299

ISBN-13: 113468973X

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When the Nuclear Safety Commission in Japan reviewed safety-design guidelines for nuclear plants in 1990, the regulatory agency explicitly ruled out the need to consider prolonged AC power loss. In other words, nothing like the catastrophe at the Fukushima Daiichi Nuclear Power Station was possible—no tsunami of 45 feet could swamp a nuclear power station and knock out its emergency systems. No blackout could last for days. No triple meltdown could occur. Nothing like this could ever happen. Until it did—over the course of a week in March 2011. In this volume and in gripping detail, the Independent Investigation Commission on the Fukushima Nuclear Accident, a civilian-led group, presents a thorough and powerful account of what happened within hours and days after this nuclear disaster, the second worst in history. It documents the findings of a working group of more than thirty people, including natural scientists and engineers, social scientists and researchers, business people, lawyers, and journalists, who researched this crisis involving multiple simultaneous dangers. They conducted over 300 investigative interviews to collect testimony from relevant individuals. The responsibility of this committee was to act as an external ombudsman, summarizing its conclusions in the form of an original report, published in Japanese in February 2012. This has now been substantially rewritten and revised for this English-language edition. The work reveals the truth behind the tragic saga of the multiple catastrophic accidents at the Fukushima Daiichi Nuclear Power Station.It serves as a valuable and essential historical reference, which will help to inform and guide future nuclear safety and policy in both Japan and internationally.

Lessons Learned from the Fukushima Nuclear Accident for Improving Safety and Security of U.S. Nuclear Plants

Author: National Academies of Sciences, Engineering, and Medicine

Publisher: National Academies Press

Published: 2016-06-06

Total Pages: 239

ISBN-13: 0309388880

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The U.S. Congress asked the National Academy of Sciences to conduct a technical study on lessons learned from the Fukushima Daiichi nuclear accident for improving safety and security of commercial nuclear power plants in the United States. This study was carried out in two phases: Phase 1, issued in 2014, focused on the causes of the Fukushima Daiichi accident and safety-related lessons learned for improving nuclear plant systems, operations, and regulations exclusive of spent fuel storage. This Phase 2 report focuses on three issues: (1) lessons learned from the accident for nuclear plant security, (2) lessons learned for spent fuel storage, and (3) reevaluation of conclusions from previous Academies studies on spent fuel storage.

Learning from a Disaster

Author: Scott D. Sagan

Publisher: Stanford University Press

Published: 2016-04-06

Total Pages: 232

ISBN-13: 0804797366

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This book—the culmination of a truly collaborative international and highly interdisciplinary effort—brings together Japanese and American political scientists, nuclear engineers, historians, and physicists to examine the Fukushima accident from a new and broad perspective. It explains the complex interactions between nuclear safety risks (the causes and consequences of accidents) and nuclear security risks (the causes and consequences of sabotage or terrorist attacks), exposing the possible vulnerabilities all countries may have if they fail to learn from this accident. The book further analyzes the lessons of Fukushima in comparative perspective, focusing on the politics of safety and emergency preparedness. It first compares the different policies and procedures adopted by various nuclear facilities in Japan and then discusses the lessons learned—and not learned—after major nuclear accidents and incidents in other countries in the past. The book's editors conclude that learning lessons across nations has proven to be very difficult, and they propose new policies to improve global learning after nuclear accidents or attacks.

Networks and Mobilization Processes: The Case of the Japanese Anti-Nuclear Movement after Fukushima

Author: Anna Wiemann

Publisher: IUDICIUM Verlag

Published: 2018-05-14

Total Pages: 298

ISBN-13: 3862050491

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Environmental disasters or other large-scale disruptive events often trigger the emergence of social movements demanding social and/or political change. This study investigates mobilization processes at the meso level of the Japanese anti-nuclear movement after the nuclear disaster at the Fukushima Daiichi nuclear power plant caused by the Great East Japan Earthquake and subsequent tsunami waves on March 11, 2011. To capture such meso level movement dynamics – which so far have played only a minor role in research on social movement mobilization – the study presents an analytical model based on premises from political process theory, network theory, and relational sociology. This model is then applied to the case of the Japanese anti-nuclear movement after Fukushima by looking at the relational dynamics of two coalitional movement networks engaged in advocacy-related activities in Tōkyō. The first case study is e-shift, a network-coalition working for nuclear phase-out and the promotion of renewable energy; the other is SHSK (Shienhō Shimin Kaigi), a coalition pushing for the rights of people affected by radioactive contamination and/or evacuation from contaminated areas. The study traces the mobilization processes of these two networks by analyzing data gathered in 2013 and 2014 in the form of participant observation of movement events, semi-structured interviews with movement organization representatives, and documentary data.

Impacts of the Fukushima Nuclear Accident on Fish and Fishing Grounds

Author: Kaoru Nakata

Publisher: Springer

Published: 2015-07-10

Total Pages: 233

ISBN-13: 4431555374

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This book presents the results from the Japanese Fisheries Research Agency’s 3-year intensive monitoring of radionuclides in a variety of fish, plankton, benthos, and their living environments after the Fukushima Daiichi Nuclear Power Plant (FNPP) accident in March 2011. The book reveals the dynamics of contamination processes in marine and freshwater fish, mediated by the contamination of water, sediments, and food organisms; it also clarifies the mechanisms by which large variations in the level of contamination occurs among individual fish. Most importantly, the book includes a large amount of original measurement data collected in situ and for the first time assesses diffusion of radiocesium across the Pacific using both in situ data and a numerical simulation model. Also introduced are several new approaches to evaluate the impact of the release of radionuclides, including the measurement of radiation emission from an otolith section to identify the main period of contamination in fish. The FNPP accident represents a rare instance where the environmental radioactivity level was elevated steeply through atmospheric fallout and direct discharge of radioactive water into the sea over a short period of time. Replete with precise scientific data, this book will serve as an important resource for research in fields such as fishery science, oceanography, ecology, and environmentology, and also as a solid basis for protecting fisheries from damage resulting from harmful rumors among the general public.

Reflections on the Fukushima Daiichi Nuclear Accident

Author: Joonhong Ahn

Publisher: Springer

Published: 2014-12-01

Total Pages: 456

ISBN-13: 3319120905

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This book focuses on nuclear engineering education in the post-Fukushima era. It was edited by the organizers of the summer school held in August 2011 in University of California, Berkeley, as part of a collaborative program between the University of Tokyo and UC Berkeley. Motivated by the particular relevance and importance of social-scientific approaches to various crucial aspects of nuclear technology, special emphasis was placed on integrating nuclear science and engineering with social science. The book consists of the lectures given in 2011 summer school and additional chapters that cover developments in the past three years since the accident. It provides an arena for discussions to find and create a renewed platform for engineering practices, and thus nuclear engineering education, which are essential in the post-Fukushima era for nurturing nuclear engineers who need to be both technically competent and trusted in society.

Mental Health and Social Issues Following a Nuclear Accident

Author: Jun Shigemura

Publisher: Springer

Published: 2015-11-25

Total Pages: 146

ISBN-13: 4431556990

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This book focuses on mental health issues arising in the wake of the Fukushima nuclear disaster. Three years after the 11 March 2011 Great East Japan Earthquake, tsunamis, and Fukushima Daiichi nuclear accident, roughly 130,000 individuals continue to face enormous burdens as a result of mandatory evacuation. Many evacuees still live in temporary housing, and returning home remains a distant dream as they wait for the decontamination of the danger zone to be completed. However, the plant recovery process is still evolving, and the complete cleanup will take decades. Beyond all of these hardships, many evacuees are also mourning the loss of their loved ones. The compound disaster with its many uncertainties poses and will continue to pose serious emotional and social challenges. People affected by the nuclear disaster have been facing serious psychological challenges from ongoing fear of radiation exposure. Furthermore, there is continuing debate between various stakeholders on the options for disaster responses. This situation in turn produces adverse public responses, such as discrimination and stigmatization of the evacuees and scapegoating of the authorities and nuclear plant workers. Mental Health and Social Issues Following a Nuclear Accident addresses these issues and their impacts, pursuing both evidence-based and narrative-based approaches. It also contrasts the Fukushima findings with those of other nuclear disasters, namely, Three Mile Island and Cher nobyl.

Agricultural Implications of the Fukushima Nuclear Accident

Author: Tomoko M. Nakanishi

Publisher: Springer

Published: 2013-03-15

Total Pages: 209

ISBN-13: 4431543287

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Following the Fukushima nuclear accident, a large volume of monitoring data has been collected about the soil, air, dust, and seawater, along with data about an immense number of foods supplied to the market. Little is known, however, about the effect of radioactive fallout on agriculture, information about which is vital. Although more than 80% of the damaged area is related to agriculture, in situ information specifically for agriculture is scarce. This book provides data about the actual movement and accumulation of radioactivity in the ecological system—for example, whether debris deposited on mountains can be a cause of secondary contamination, under what conditions plants accumulate radioactive cesium in their edible parts, and how radioactivity is transferred from hay to milk. Because agriculture is so closely related to nature, many specialists with different areas of expertise must be involved in answering these questions. In the case of rice, researchers in rice cultivation as well as in soil, hydrology, and radioactivity measurement are working together to reveal the paths or accumulation of radioactivity in the field. For this purpose, the Graduate School of Agricultural and Life Sciences of The University of Tokyo has diverse facilities available throughout Japan, including farmlands, forests, and meadowlands. Many academic staff members have formed groups to conduct on-site research, with more than 40 volunteers participating. This book presents the data collected from the only project being systematically carried out across Japan after the Fukushima accident.