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Fukushima Daiichi

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https://www.readbyqxmd.com/read/28067537/a-farmhouse-son-in-law-and-radiation
#1
S Endo
The residents of Suetsugi in Fukushima Prefecture measured ambient dose rates and radiocaesium concentrations in the soil after the accident at Fukushima Daiichi nuclear power plant in an attempt to maintain living conditions in the region. The measurements were colour plotted into maps to visualise the contamination. Through the receipt of external support, a number of radioactivity-related initiatives were implemented for the residents. Studies were also undertaken regarding the impact of radiocaesium contamination on rice farming in Suetsugi following the Great East Japan Earthquake and the accident at Fukushima Daiichi nuclear power plant...
January 1, 2017: Annals of the ICRP
https://www.readbyqxmd.com/read/28064240/a-comparison-of-remediation-after-the-chernobyl-and-fukushima-daiichi-accidents
#2
Sergey Fesenko, Mikhail Balonov, Gerhard Pröhl, Shinichi Nakayama, Brenda J Howard
No abstract text is available yet for this article.
January 6, 2017: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/28059933/mental-health-problems-in-a-community-after-the-great-east-japan-earthquake-in-2011-a-systematic-review
#3
Shuntaro Ando, Hitoshi Kuwabara, Tsuyoshi Araki, Akiko Kanehara, Shintaro Tanaka, Ryo Morishima, Shinsuke Kondo, Kiyoto Kasai
INTRODUCTION: On March 11, 2011, the Great East Japan Earthquake caused a tsunami and led to the collapse of the Fukushima-Daiichi Nuclear Power Plant, thus severely damaging the surrounding area. METHODS: A systematic review was conducted in March 2015 with the following objectives: (1) to clarify the type, severity, and prevalence of mental health problems in the areas affected by the disaster, (2) to investigate trends in mental health problems over time, (3) to reveal demographic and socio-environmental characteristics associated with the post-disaster risk for developing mental health problems, and (4) to examine the impact of this natural disaster on the mental health of people in Fukushima...
January 2017: Harvard Review of Psychiatry
https://www.readbyqxmd.com/read/28054488/for-the-day-when-i-can-return-the-future-is-one-step-away
#4
K Kanno
Iitate, a village in Fukushima Prefecture, suffered little damage from the Great East Japan Earthquake that struck on 11 March 2011. However, all village residents were belatedly ordered to evacuate 1 month after the accident at Fukushima Daiichi nuclear power plant. My family and I had to evacuate to the city of Fukushima, located 40 km from our home in Iitate. This came at a time when my husband and I were planning to start research on Natsuhaze (a type of blueberry grown in Japan) after his retirement...
January 1, 2017: Annals of the ICRP
https://www.readbyqxmd.com/read/28051136/temporal-variation-of-cesium-isotope-concentrations-and-atom-ratios-in-zooplankton-in-the-pacific-off-the-east-coast-of-japan
#5
Takahito Ikenoue, Hyoe Takata, Masashi Kusakabe, Natsumi Kudo, Kazuyuki Hasegawa, Takashi Ishimaru
After the Fukushima Daiichi Nuclear Power Plant accident in March 2011, concentrations of cesium isotopes ((133)Cs, (134)Cs, and (137)Cs) were measured in zooplankton collected in the Pacific off the east coast of Japan from May 2012 to February 2015. The time series of the data exhibited sporadic (137)Cs concentration peaks in zooplankton. In addition, the atom ratio of (137)Cs/(133)Cs in zooplankton was consistently high compared to that in ambient seawater throughout the sampling period. These phenomena cannot be explained fully by the bioaccumulation of (137)Cs in zooplankton via ambient seawater intake, the inclusion of resuspended sediment in the plankton sample, or the taxonomic composition of the plankton...
January 4, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28046089/characteristics-of-physician-outflow-from-disaster-areas-following-the-great-east-japan-earthquake
#6
Saori Kashima, Kazuo Inoue, Masatoshi Matsumoto
OBJECTIVE: The shortage of physicians after a major disaster is a crucial issue. We aimed to evaluate the characteristics of physicians who left affected areas following the accident at Fukushima Daiichi Nuclear Power Plant caused by the Great East Japan Earthquake on March 11, 2011. METHODS: Using data from a physician census conducted in 2010 (pre-disaster) and 2012 (post-disaster), we evaluated changes in the number of physicians in affected areas. We then calculated the odds ratios and 95% confidence intervals using a logistic regression model to evaluate the association between physician characteristics and outflow...
2017: PloS One
https://www.readbyqxmd.com/read/27974832/forest-type-effects-on-the-retention-of-radiocesium-in-organic-layers-of-forest-ecosystems-affected-by-the-fukushima-nuclear-accident
#7
Jun Koarashi, Mariko Atarashi-Andoh, Takeshi Matsunaga, Yukihisa Sanada
The Fukushima Daiichi nuclear power plant disaster caused serious radiocesium ((137)Cs) contamination of forest ecosystems over a wide area. Forest-floor organic layers play a key role in controlling the overall bioavailability of (137)Cs in forest ecosystems; however, there is still an insufficient understanding of how forest types influence the retention capability of (137)Cs in organic layers in Japanese forest ecosystems. Here we conducted plot-scale investigations on the retention of (137)Cs in organic layers at two contrasting forest sites in Fukushima...
December 15, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27974372/non-communicable-diseases-in-decontamination-workers-in-areas-affected-by-the-fukushima-nuclear-disaster-a-retrospective-observational-study
#8
Toyoaki Sawano, Masaharu Tsubokura, Akihiko Ozaki, Claire Leppold, Shuhei Nomura, Yuki Shimada, Sae Ochi, Manabu Tsukada, Tsuyoshi Nemoto, Shigeaki Kato, Yukio Kanazawa, Hiromichi Ohira
OBJECTIVES: To assess the prevalence of non-communicable diseases (NCDs), and whether NCDs were treated or not, among hospitalised decontamination workers who moved to radio-contaminated areas after Japan's 2011 Fukushima Daiichi Nuclear Power Plant disaster. METHODS: We retrospectively extracted records of decontamination workers admitted to Minamisoma Municipal General Hospital between 1 June 2012 and 31 August 2015, from hospital records. We investigated the incidence of underlying NCDs such as hypertension, dyslipidaemia and diabetes among the decontamination workers, and their treatment status, in addition to the reasons for their hospital admission...
December 14, 2016: BMJ Open
https://www.readbyqxmd.com/read/27939095/a-multiscale-bayesian-data-integration-approach-for-mapping-air-dose-rates-around-the-fukushima-daiichi-nuclear-power-plant
#9
Haruko M Wainwright, Akiyuki Seki, Jinsong Chen, Kimiaki Saito
This paper presents a multiscale data integration method to estimate the spatial distribution of air dose rates in the regional scale around the Fukushima Daiichi Nuclear Power Plant. We integrate various types of datasets, such as ground-based walk and car surveys, and airborne surveys, all of which have different scales, resolutions, spatial coverage, and accuracy. This method is based on geostatistics to represent spatial heterogeneous structures, and also on Bayesian hierarchical models to integrate multiscale, multi-type datasets in a consistent manner...
February 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/27927262/first-successful-pre-distribution-of-stable-iodine-tablets-under-japan-s-new-policy-after-the-fukushima-daiichi-nuclear-accident
#10
Mayo Ojino, Sumito Yoshida, Takashi Nagata, Masami Ishii, Makoto Akashi
Stable iodine tablets are effective in reducing internal exposure to radioactive iodine, which poses a risk for thyroid cancer and other conditions. After the Fukushima Daiichi nuclear power plant accident, the Japanese government shifted its policy on stable iodine tablet distribution from "after-the-fact" to "before-the-fact" and instructed local governments to pre-distribute stable iodine tablets to residents living within a 5-km radius of nuclear facilities. The nation's first pre-distribution of stable iodine tablets was carried out in June and July of 2014 in Kagoshima Prefecture...
December 8, 2016: Disaster Medicine and Public Health Preparedness
https://www.readbyqxmd.com/read/27923577/particulate-organic-matter-in-rivers-of-fukushima-an-unexpected-carrier-phase-for-radiocesiums
#11
Maud Naulier, Frédérique Eyrolle-Boyer, Patrick Boyer, Jean-Michel Métivier, Yuichi Onda
The role of particulate organic matter in radiocesium transfers from soils to rivers was investigated in areas contaminated by the Fukushima Daiichi Nuclear Power Plant accident. Suspended and deposited sediments, filtered water, macro organic debris and dead leaves were sampled along the six most contaminated coastal river catchments of the Fukushima prefecture in the early autumns 2013 and 2014. Radiocesium concentrations of river samples and total organic carbon concentrations in suspended and deposited sediments were measured...
February 1, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/27923211/study-of-the-thermal-stability-of-studtite-by-in-situ-raman-spectroscopy-and-dft-calculations
#12
Francisco Colmenero, Laura J Bonales, Joaquín Cobos, Vicente Timón
The design of a safe spent nuclear fuel repository requires the knowledge of the stability of the secondary phases which precipitate when water reaches the fuel surface. Studtite is recognized as one of the secondary phases that play a key-role in the mobilization of the radionuclides contained in the spent fuel. Thereby, it has been identified as a product formed under oxidation conditions at the surface of the fuel, and recently found as a corrosion product in the Fukushima-Daiichi nuclear plant accident...
November 29, 2016: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/27922832/individual-external-dose-monitoring-of-all-citizens-of-date-city-by-passive-dosimeter-5-to-51-months-after-the-fukushima-npp-accident-series-1-comparison-of-individual-dose-with-ambient-dose-rate-monitored-by-aircraft-surveys
#13
Makoto Miyazaki, Ryugo Hayano
Date (da'te) City in Fukushima Prefecture has conducted a population-wide individual dose monitoring program after the Fukushima Daiichi Nuclear Power Plant Accident, which provides a unique and comprehensive data set of the individual doses of citizens. The purpose of this paper, the first in the series, is to establish a method for estimating effective doses based on the available ambient dose rate survey data. We thus examined the relationship between the individual external doses and the corresponding ambient doses assessed from airborne surveys...
December 6, 2016: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/27913701/considerations-and-challenges-in-the-icrp-dialogues
#14
T Hanzawa
'Yes I tried to explain, but residents couldn't understand …' This was the title of my presentation at the first International Commission on Radiological Protection (ICRP) dialogue seminar in November 2011 held at the Fukushima Prefectural Government office. The accident at Fukushima Daiichi nuclear power plant was triggered by the tsunami caused by the Great East Japan Earthquake of March 2011. Initially, it was thought that Date city, 50-60 km away from the accident, would be safe, but unfortunately this was not the case due to the direction of the wind at the time of the accident...
December 2, 2016: Annals of the ICRP
https://www.readbyqxmd.com/read/27895097/mass-media-communication-of-emergency-issues-and-countermeasures-in-a-nuclear-accident-fukushima-reporting-in-european-newspapers
#15
Eduardo Gallego, Marie Claire Cantone, Deborah H Oughton, Tanja Perko, Iztok Prezelj, Yevgeniya Tomkiv
This paper presents the results of a large study of 1340 articles published by two major newspapers in six European countries (Belgium, Italy, Norway, Slovenia, Spain and Russia) in the first 2 months after the Fukushima Daiichi nuclear disaster. The focus of the analysis is on the application and overall impact of protective actions, both during the emergency phase and later, how the newspapers describe those actions, which differences were apparent between countries and what recommendations can be extracted in order to improve general communication about these issues...
November 28, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27886996/a-comparison-of-remediation-after-the-chernobyl-and-fukushima-daiichi-article
#16
Brenda J Howard, Sergey Fesenko, Mikhail Balonov, Gerhard Pröhl, Shinichi Nakayama
Extensive remediation was conducted on contaminated landscapes after the Chernobyl accident in 1986 and the Fukushima Daiichi accident in 2011. A comparison is made of a range of different features relevant to each accident including the characteristics of the contamination and the landscapes affected, the radiological criteria, the designation of areas to be remediated and the remediation measures adopted.
November 24, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27886994/development-of-northeast-asia-nuclear-power-plant-accident-simulator
#17
Juyub Kim, Juyoul Kim, Li-Chi Cliff Po
A conclusion from the lessons learned after the March 2011 Fukushima Daiichi accident was that Korea needs a tool to estimate consequences from a major accident that could occur at a nuclear power plant located in a neighboring country. This paper describes a suite of computer-based codes to be used by Korea's nuclear emergency response staff for training and potentially operational support in Korea's national emergency preparedness and response program. The systems of codes, Northeast Asia Nuclear Accident Simulator (NANAS), consist of three modules: source-term estimation, atmospheric dispersion prediction and dose assessment...
November 24, 2016: Radiation Protection Dosimetry
https://www.readbyqxmd.com/read/27881162/residence-related-factors-and-psychological-distress-among-evacuees-after-the-fukushima-daiichi-nuclear-power-plant-accident-a-cross-sectional-study
#18
Naoko Horikoshi, Hajime Iwasa, Norito Kawakami, Yuriko Suzuki, Seiji Yasumura
BACKGROUND: Relocation following a disaster can impact the psychological well-being of evacuees. This study investigated the associations between residence-related factors and psychological distress among evacuees living in temporary housing after the Fukushima Daiichi Nuclear Power Plant accident. METHODS: Data from 525 participants living in temporary housing were collected. Associations between residence-related factors (frequent relocation, dissatisfaction with the residence, and plan to move to permanent housing) and psychological distress were measured...
November 24, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27876870/radiocaesium-partitioning-in-japanese-cedar-forests-following-the-early-phase-of-fukushima-fallout-redistribution
#19
Frederic Coppin, Pierre Hurtevent, Nicolas Loffredo, Caroline Simonucci, Anthony Julien, Marc-Andre Gonze, Kenji Nanba, Yuichi Onda, Yves Thiry
Our study focused on radiocaesium ((137)Cs) partitioning in forests, three vegetation periods after the Fukushima Daiichi nuclear power plant accident. (137)Cs distribution in forest components (organic and mineral soil layers as well as tree compartments: stem, bark, needles, branches and roots) was measured for two Japanese cedar stand ages (17 and 33 years old). The results showed that around 85% of the initial deposit was found in the forest floor and topsoil. For the youngest stand almost 70% of the deposit is present in the forest floor, whereas for the oldest stand 50% is present in the 0-3 cm mineral soil layer...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27848988/long-distance-transport-of-radioactive-plume-by-nocturnal-local-winds
#20
Takao Yoshikane, Kei Yoshimura, Eun-Chul Chang, Akane Saya, Taikan Oki
Radioactive plumes can spread far and wide depending on wind conditions. The plumes often frequently reached the Tokyo metropolitan area, which is approximately 200 km away from the Fukushima Daiichi nuclear power plant, under spatially heterogeneous wind fields in March 2011. To reduce exposure to radioactive plumes, the behaviour of the plumes must be known. However, the transport mechanism of radioactive plumes is not fully understood. Using a regional climate model, we show that multiple diurnal cycle processes play a key role in the frequent transport of radioactive plumes to the Tokyo metropolitan area...
November 16, 2016: Scientific Reports
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