Tokyo Not Fit For Human Habitation
Testimony of a mother who evacuated from Tokyo
Radioactive contamination in the Tokyo metropolitan area in the early stage of the Fukushima Daiichi Nuclear Power Plant (FDNPP) accident and its fluctuation over five years
Geographical distribution of the 134+137Cs precipitation referred to the aircraft monitoring results by the MEXT of Japan on December 16, 2011 [30]. Adapted from ‘Extension Site of Distribution Map of Radiation Dose, etc.’ (http://ramap.jmc.or.jp/map/).
High Risk of Inhaling Cesium Contained in Shower Near Tokyo
Via Kurumi Sugita
The result of analysis of a cartridge filter of shower water using essentially zeolite. The user lives in Funabashi city in Chiba (near Tokyo).
The period of use is from Feb 2017 to August 2017.
The volume of water used is about 52500L.
Cesium fixed in cartridge is 1128.96 Bq/kg
While taking a shower, one is exposed to a high risk of inhaling cesium contained in the steam.
Radioactive Contamination from Fukushima Nuclear Disaster: Did You Know that Tokyo Metropolitan Area is Widely Contaminated Too?
We are “GO WEST & COME WEST!!! 3.11 Evacuees from Tokyo area”.
Etsuji Watanabe, one of the members of Association for Citizens and Scientists Concerned about Internal Radiation Exposures (ACSIR), estimates that each year at most 180,000 people may develop cancer and 90,000 will be killed by cancer or some other causes.
Radiation Levels in Tokyo Metropolitan Area (Year 2013~2015: µSv/hour)
Estimation of the risk for 10 million people in Tokyo Metropolitan area exposed by radiation (2.4mSv/year).
Data provided by Mr. Kirishima.
* Risk occurrence: 10,000 person-Sv
** According to a book ‘Chernobyl: Consequences of the Catastrophe for People and the Environment’ by Alexey V. Yablokov, ratio of death caused by cancer and not by cancer is 1 to 1.
Fukushima Radiation is Now Spreading to Tokyo and Eastern Japan
The child thyroid cancer which were commonly seen after Chernobyl accident is being found even around Tokyo area after several years from 3.11 Fukushima accident in 2011.
Severe illness such as various cancers, leukemia, and cardiac infarction are increasing too at alarming rate. For some people, immune system has also weakened due to radiation effects, and the conditions of their chronic disease or common cold are worsening.
Therefore some people from Tokyo have evacuated to safer places.
However Japanese government (and main media) continue to ignore the effects of Fukushima radiation even though the radiation level is still dangerously high. The government have recently lifted evacuation orders for the restricted residence areas and cut housing subsidies for evacuees, forcing them to believe it is safe to return.
Therefore some people think it is nonsense to evacuate from Tokyo area and believe the evacuees are over-reacting. Many of the evacuees are feeling very isolated and are living in poverty after moving to safer locations, forcing some to return to the contaminated area against their will.
About 45 million people still remain in contaminated metropolitan area in Tokyo. But many people are started feeling very ill one after another. In fact many of my friends living in Tokyo or Eastern Japan have collapsed from numerous illnesses over these years.
It has proven that an increase of serious illness was seen four-to-five years after 1986 Chernobyl meltdown and hundreds of thousands of people lost their lives.
Now we are facing the same situation in Tokyo and eastern Japan.
Fukushima radiation problem permits no delay. We need to encourage people in Tokyo and Eastern Japan to evacuate to safer places to protect their lives.
In order to fight against the inhumanity of the Japanese government toward lives of people and uncover the fact of radiation effect in Japan, it is urgently needed to spread the information like this to the public.
http://www.gowest-comewest.net/statement/20170825english.html
Tokyo’s Tap Water Contaminated
Via Kaye Nagamine
A Japanese local magazine gives the list of prefectures where Cesium 134 and Cesium 137 have been detected in their tap water !
The left column gives the name of the prefecture. The central column gives the Cesium 134 detected and the right column the Cesium 137 : in white with three Chinese characters reads “not detected” while in black the white figures indicates the level of bq detected.
The third line from the bottom is Tokyo. Cesium 134 and Cesium 137 have both been detected in its tap water at high levels!
Source: https://jisin.jp/serial/%E7%A4%BE%E4%BC%9A%E3%82%B9%E3%83%9D%E3%83%BC%E3%83%84/disaster/26165
Delicious Fukushima Peaches at the “konbeni” Checkout
Study: Radioactive Hot Particles Still Afloat Throughout Japan Six Year After Fukushima Meltdowns
Radioactive particles of uranium, thorium, radium, cesium, strontium, polonium, tellurium and americium are still afloat throughout Northern Japan more than six years after a tsunami slammed into the Fukushima Daiichi Power Plant causing three full-blown nuclear meltdowns. That was the conclusion reached by two of the world’s leading radiation experts after conducting an extensive five-year monitoring project.
Arnie Gundersen and Marco Kaltofen authored the peer reviewed study titled, Radioactively-hot particles detected in dusts and soils from Northern Japan by combination of gamma spectrometry, autoradiography, and SEM/EDS analysis and implications in radiation risk assessment, published July 27, 2017, in Science of the Total Environment (STOLEN).
Gundersen represents Fairewinds Associates and is a nuclear engineer, former power plant operator and industry executive, turned whistleblower, and was CNN’s play-by-play on-air expert during the 2011 meltdowns. Kaltofen, of the Worcester Polytechnic Institute (WPI), is a licensed civil engineer and is renowned as a leading experts on radioactive contamination in the environment.
415 samples of “dust and surface soil” were “analyzed sequentially by gamma spectrometry, autoradiography, and scanning electron microscopy with energy dispersive X-ray analysis” between 2011 and 2016. 180 of the samples came from Japan while another 235 were taken from the United States and Canada. The study further clarifies, “Of these 180 Japanese particulate matter samples, 57 were automobile or home air filters, 59 were surface dust samples, 29 were street dusts (accumulated surface soils and dusts) and 33 were vacuum cleaner bag or other dust samples.”
108 of the Japanese samples were taken in 2016, while the other 72 were gathered in 2011 after the meltdowns. Gundersen and Kaltofen tapped 15 volunteer scientists to help collect the dust and soil — mostly from Fukushima Prefecture and Minamisouma City. “A majority of these samples were collected from locations in decontaminated zones cleared for habitation by the National Government of Japan,” the study revealed. For the 108 samples taken in 2016, an “International Medcom Inspector Alert surface contamination monitor (radiation survey meter) was used to identify samples from within low lying areas and on contaminated outdoor surfaces.”
A Fairewinds Associates’ video from 2012 features Gundersen collecting five samples of surface soil from random places throughout Tokyo — places including a sidewalk crack, a rooftop garden, and a previously decontaminated children’s playground. The samples were bagged, declared through Customs, and brought back to the U.S. for testing. All five samples were so radioactive that according to Gundersen, they “qualified as radioactive waste here in the United States and would have to be sent to Texas to be disposed of.” Those five examples were not included as part of the recently released study, but Gundersen went back to Tokyo for samples in 2016. Those samples were included, and were radioactive, and according to Gundersen were “similar to what I found in Tokyo in [2012].”
Furthermore, 142 of the 180 samples (about 80 percent) contained cesium 134 and cesium 137. Cesium 134 and 137, two of the most widespread byproducts of the nuclear fission process from uranium-fueled reactors, are released in large quantities in nuclear accidents. Cesium emits intense beta radiation as it decays away to other isotopes, and is very dangerous if ingested or inhaled. On a mildly positive note, the study shows that only four of the 235 dust samples tested in the United States and Canada had detectable levels of cesium from Fukushima.
Cesium, due to its molecular structure, mimics potassium once inside the body, and is often transported to the heart where it can become lodged, thereafter mutating and burning heart tissue which can lead to cardiovascular disease. Other isotopes imitate nutritive substances once inside the body as well. Strontium 90 for example mimics calcium, and is absorbed by bones and teeth.
“Different parts of the human body (nerves, bones, stomach, lung) are impacted differently,” Kaltofen told EnviroNews in an email. “Different cells have radio-sensitivities that vary over many orders of magnitude. The body reacts differently to the same dose received over a short time or a long time; the same as acute or chronic doses in chemical toxicity.”
In contrast to external X-rays, gamma, beta or alpha rays, hot particles are small mobile pieces of radioactive elements that can be breathed in, drunk or eaten in food. The fragments can then become lodged in bodily tissue where they will emanate high-intensity ionizing radiation for months or years, damaging and twisting cells, potentially causing myriad diseases and cancer. The study points out, “Contaminated environmental dusts can accumulate in indoor spaces, potentially causing radiation exposures to humans via inhalation, dermal contact, and ingestion.”
The study also explains, “Given the wide variability in hot particle sizes, activities, and occurrence; some individuals may experience a hot particle dose that is higher or lower than the dose calculated by using averaged environmental data.” For example, a person living in a contaminated area might use a leaf blower or sweep a floor containing a hefty amount of hot particle-laden dust and receive a large does in a short time, whereas other people in the same area, exposed to the same background radiation and environmental averages, may not take as heavy a hit as the housekeeper that sweeps floors for a living. People exposed to more dust on the job, or who simply have bad luck and haphazardly breathe in hot radioactive dust, are at an increased risk for cancer and disease. High winds can also randomly pick up radioactive surface soil, rendering it airborne and endangering any unsuspecting subject unlucky enough to breath it in.
Hot particles, or “internal particle emitters” as they are sometimes called, also carry unique epidemiological risks as compared to a chest X-ray by contrast. The dangers from radiation are calculated by the dose a subject receives, but the manner in which that dose is received can also play a critical factor in the amount of damage to a person’s health.
“Comparing external radiation to hot particles inside the body is an inappropriate analogy,” Gundersen told EnviroNews in an email. “Hot particles deliver a lot of energy to a very localized group of cells that surround them and can therefore cause significant localized cell damage. External radiation is diffuse. For example, the weight from a stiletto high heal shoe is the same as the weight while wearing loafers, but the high heal is damaging because its force is localized.”
Kaltofen elaborated with an analogy of his own in a followup email with EnviroNews saying:
Dose is the amount of energy in joules absorbed by tissue. Imagine Fred with a one joule gamma dose to the whole body from living in a dentist’s office over a lifetime, versus Rhonda with exactly the same dose as alpha absorbed by the lung from a hot particle. Standard health physics theory says that Fred will almost certainly be fine, but Rhonda has about a 10 percent chance of dying from lung cancer — even though the doses are the same.
External radiation and internal hot particles both follow exactly the same health physics rules, even though they cause different kinds of biological damage. Our data simply shows that you can’t understand radiation risk without measuring both.
Some isotopes, like plutonium, only pose danger to an organism inside the body. As an alpha emitter, plutonium’s rays are blocked by the skin and not strong enough to penetrate deep into bodily tissue. However, when inhaled or ingested, plutonium’s ionizing alpha rays twist and shred cells, making it one of the most carcinogenic and mutagenic substances on the planet.
“Measuring radioactive dust exposures can be like sitting by a fireplace,” Dr. Kaltofen explained in a press release. “Near the fire you get a little warm, but once in a while the fire throws off a spark that can actually burn you.”
“We weren’t trying to see just somebody’s theoretical average result,” Kaltofen continued in the press release. “We looked at how people actually encounter radioactive dust in their real lives. [By] combining microanalytical methods with traditional health physics models… we found that some people were breathing or ingesting enough radioactive dust to have a real increase in their risk of suffering a future health problem. This was especially true of children and younger people, who inhale or ingest proportionately more dust than adults.”
“Individuals in the contaminated zone, and potentially well outside of the mapped contaminated zone, may receive a dose that is higher than the mean dose calculated from average environmental data, due to inhalation or ingestion of radioactively-hot dust and soil particles,” the study says in summation. “Accurate radiation risk assessments therefore require data for hot particle exposure as well as for exposure to more uniform environmental radioactivity levels.”
Bullying cases targeting young Fukushima evacuees spread to Tokyo
Fresh cases of bullying targeting children who evacuated from Fukushima Prefecture following the 2011 nuclear disaster have emerged in Tokyo.
According to Tokyo Saigai Shien Netto (Tossnet), a group of lawyers supporting Fukushima evacuees, three schoolchildren who moved to Tokyo in the wake of the triple core meltdowns at the Fukushima No. 1 nuclear power plant were subjected to bullying at an elementary school in Chiyoda Ward between 2011 and 2015.
According to the group, one elementary school student and two others who are now in junior high school were called names repeatedly, with classmates shunning them by saying they could spread radiation. One of the children recalled being called kin (germ).
The group on Monday reported the incidents as cases of bullying to the board of education in Chiyoda Ward. The board said it had not been aware of the incidents and will look into the matter.
Chiyoda Ward is also investigating a separate case in which another student from Fukushima at a junior high school was allegedly forced to buy snacks for three other students.
The revelation comes in the wake of a bullying case in Yokohama, where a 13-year-old boy had been forced to pay ¥1.5 million to classmates at an elementary school he transferred to following the disaster.
After initially denying the claim, on Feb. 13 the Yokohama Board of Education acknowledged the payments made by the boy to classmates in the school were the result of bullying.
The boy entered the elementary school in Yokohama as a second-grader in August 2011, but after being called kin he began missing school in the third grade, according to a report released by the board.
The boy’s parents told the school in May 2014 that their son was a victim of bullying and told the police in July that he was involved in money trouble with his classmates.
Long-distance transport of radioactive plume by nocturnal local winds
Long-distance transport of radioactive plume by nocturnal local winds
Abstract
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. The observed data and hindcast results indicate that the radioactive plume moves along the local winds, which comprise the northeasterly local wind (NELW) associated with the meso-scale low-pressure system (meso-low) and the northerly sea wind (NSW) during the night. The long-term analysis and sensitivity simulations also show the nocturnal processes that the NELW caused by the meso-low and the NSW are formed east of the Tokyo metropolitan area and from Fukushima offshore east of the Tokyo metropolitan area, respectively, when neither winter monsoons nor extra-tropical cyclones are predominant. These findings indicate that the radioactive plumes could reach faraway places frequently via nocturnal local processes.
Introduction
Radioactive plumes can scatter widely under the strong influence of the weather1,2,3,4,5,6,7,8. After the accident at the Fukushima Daiichi nuclear power plant in March 2011, the Japanese government evacuated the area within a 20-km radius of the power plant and advised residents within a 20-km to 30-km radius of the power plant to stay inside their homes9. However, high air doses were observed in faraway places outside the 30-km radius (Fig. 1a,b). In such situations, exposure should be minimized because the released radioactive material (131I) is assumed to have the potential to cause thyroid cancer10. Therefore, when and where radioactive plumes will travel should be known in advance.
Figure 1: A common feature of the atmospheric fields when a high air dose was observed in the Tokyo metropolitan area.
(a) The locations of Fukushima, Tokai-mura, and the Tokyo metropolitan area. (b) Time variations of the observed air doses at the observation sites in Tokai-mura. Cases 1, 2, 3, and 4 correspond to the spikes in the air dose. (c) The wind field and geo-potential height of MSM-GPV (975 hPa) at midnight before each of the four cases. Dark areas indicate low pressure. The maps were created by using GrADS 2.0.1 (http://cola.gmu.edu/grads/) (a,c) and Microsoft Excel for Mac 2011 (b).
The movement of a radioactive plume is not only influenced by large-scale events, such as monsoons and extra-tropical cyclones, but also by local-scale events4,5. For example, local-scale events, including land/sea breezes, are predominant under calm weather conditions11,12. A land/sea breeze can cause severe atmospheric pollution even in areas that are distant from the emission source13,14,15. A contamination could occur in a specific area because of the local circulation if large amounts of radioactive materials are emitted over a long period.
A large quantity of radioactive 131I, estimated to be between 1.8 × 1012 and 8.9 × 1015 Bq h−1, was released from the Fukushima Daiichi nuclear power plant by the end of March 201116,17,18. To represent the transport and deposition distribution of radioactive materials in Japan, several numerical simulations have been performed using the estimated emission data3,4,5,6,7,8,16,17,18. However, simulating the distributions is difficult because many uncertainties affect numerical simulations. One such uncertainty is the chaotic behaviour of the atmosphere19,20, which amplifies prediction errors resulting from imperfections in the model formulation or the sensitive dependence on the initial conditions. Indeed, if chaotic behaviour were predominant, the movement of the radioactive plume would be difficult to predict accurately.
In contrast, predicting the movement of a radioactive plume would be relatively simple if large-scale events, such as monsoons and extra-cyclones, were predominant because the wind field would be expected to be temporally constant and spatially homogeneous. However, radioactive plumes often reached the Tokyo metropolitan area, even under spatially heterogeneous wind fields5. The types of atmospheric events that might have affected the wind field and the mechanisms by which the radioactive plumes travelled over long distances remain poorly understood. The chaotic behaviour of the atmosphere might be associated with the movement of the radioactive plume. Here, we investigate the mechanism of radioactive plume transport from Fukushima to the Tokyo metropolitan area using a regional climate model.
Results
High air doses, indicated by the spike in Fig. 1b, were often observed at Tokai-mura in the eastern coastal region of the Tokyo metropolitan area in the morning. At approximately the same time, the NSW and the NELW commonly occurred near the coastal area of the northeastern region of the Tokyo metropolitan area at 975 hPa (see Supplementary Fig. S1), whereas these winds were not detected at 850 hPa (see Supplementary Fig. S2). Another common feature, the nocturnal meso-low, formed in the Tokyo metropolitan area before the high dose rates were observed east of the Tokyo metropolitan area in the morning (Fig. 1c). We conducted a hindcast (HC run) to confirm the relationship between the observed high air radiation doses and the radioactive plume simulated using a regional climate model21 (see Methods). The simulated radioactive plume occurred from Fukushima to the northeastern part of the Tokyo metropolitan area in all cases (see Supplementary Fig. S3).
We assumed that the NSW, NELW, and nocturnal meso-low strongly influenced the radioactive plume transport when neither winter monsoons nor extra-cyclones were predominant. Some diurnal cycle processes could have formed the NSW, NELW, and nocturnal meso-low if the diurnal variations of those atmospheric fields were confirmed in the long-term composite data during calm weather. To verify this hypothesis, we defined a typical day when diurnal wind was observed as a calm day using station data for the central part of the Tokyo metropolitan area. The four cases shown in Fig. 1 were included in the calm day. The diurnal variations were investigated by using the operational meteorological analysis dataset for March from 2008 to 2014 (see Supplementary Fig. S4 and Methods). Seven-year composite would be sufficient to detect the signal of diurnal cycle significantly.
The results demonstrated that the NSW, NELW, and meso-low were clearly evident in the composite of the calm day (Fig. 2b,c) at 975 hPa at night, whereas these atmospheric fields were unclear at 850 hPa (Fig. 2g–i). The meso-low could strongly influence the formation of the NELW. Additionally, the NSW and NELW could be formed as gravity currents induced by the meridional temperature gradient because no predominant forcing exists except for the temperature gradient at night under calm conditions. In contrast, the onshore wind, which is intensified by the heat-low at the mountains of central Japan14, is clearly evident in the daytime (Fig. 2a,d). Almost 30% of the days in March from 2008 to 2014 were calm days (see Supplementary Fig. S5). Thus, diurnal cycle processes are not rare events but are important contributors to the regional climate in March.
Figure 2: Diurnal variation of the wind fields under calm conditions.
Diurnal variation of the composite data of wind fields, geo-potential height, and temperature at 975 hPa and 850 hPa on calm days from 2008 to 2014 according to the MSM-GPV data. The dark areas indicate areas of low geo-potential height (low pressure). The maps were created by using GrADS 2.0.1 (http://cola.gmu.edu/grads/).
The nocturnal meso-low forms in various areas worldwide22,23,24,25,26. The topographical heat-low in the daytime could be a trigger of the meso-low23. However, the nocturnal meso-low has been observed to persist until the morning (Fig. 2c). If the convergence caused by the NSW sustains the meso-low, the topographic effect and meridional temperature gradient could be important in the formation of the meso-low.
To elucidate the formation mechanisms of the NSW, NELW, and meso-low, we conducted simple sensitivity tests (see Methods). The effect of the meridional temperature gradient was investigated by adapting a monthly averaged global zonal mean field in March 2011 as the initial and boundary conditions (Ex. 1); the effect of geography, including the land/sea contrast, was investigated by adapting the area-averaged atmospheric field around east Japan (Ex. 2) (see Supplementary Fig. S6). The result shows that Ex. 1 simulates the NSW, NELW, and meso-low but Ex. 2 does not (Fig. 3). This finding indicates that the meridional temperature gradient is essential in the formation of the diurnal cycle of the atmospheric field.
Figure 3: Sensitivity test.
The wind fields, geo-potential heights, and temperatures at 975 hPa in the morning (6 JST) of Ex. 1 and Ex. 2. The atmospheric fields of the global zonal mean and area-averaged values in March 2011 were applied as the lateral boundary conditions of Ex. 1 and Ex. 2, respectively. The maps were created by using GrADS 2.0.1 (http://cola.gmu.edu/grads/).
Discussion
A schematic of the transport of radioactive materials is presented in Fig. 4. The radioactive materials are transported to an area offshore of Fukushima by the land breeze, and then, the plume moves to the south via the NSW (Fig. 4a). In the morning, the radioactive plume flows into the Tokyo metropolitan area via the NELW, which is formed by the nocturnal meso-low (Fig. 4b). In the afternoon, the plume moves to the mountain area located to the northeast of the Tokyo metropolitan area because of the intensified sea breeze induced by the heat-low over the mountains in central Japan (Fig. 4c).
Figure 4: Long-distance transport of the radioactive plume via multiple diurnal processes.
The 3D image of the mixing ratio of 131I in Case 1. The maps were created by using Volume Data Visualizer for Google Earth (VDVGE) 1.1.7 ESC JAMSTEC (https://www.jamstec.go.jp/esc/research/Perception/vdvge.ja.html) and Adobe Illustrator CS5
The northeasterly wind accompanied by rain is often observed around the Tokyo metropolitan area during winter mornings27,28,29. The developed nocturnal meso-low is responsible for this precipitation. Consequently, it was reassuring that no rainfall was detected on 15 March 2011, when the highest air doses were observed (case 1 in Fig. 1). If rainfall had occurred, the serious contamination would have also caused in the Tokyo metropolitan area.
In the seven-year simulation with the constant emission of radioactive materials (CE run), a high deposition of 131I was simulated from Fukushima to the Tokyo metropolitan area in the morning, with increased deposition occurring the mountains located east of the Tokyo metropolitan area in the evening (see Supplementary Fig. S7 and Methods). The diurnal variation of the deposition could be explained by the movement of the radioactive plume corresponding to the diurnal wind field shown in Fig. 4. Thus, diurnal processes strongly influence the deposition distribution.
The amounts of radioactive materials deposited, especially 137Cs, depend strongly on the precipitation30. Generally, precipitation is difficult to simulate using a numerical model quantitatively with high accuracy because of the non-linearity of the precipitation process. Therefore, accurately estimating the deposition at a specific point without observations would be difficult. Therefore, using only the simulated deposition (exposure by groundshine), determining whether immediate evacuation should be enforced is problematic. Our new findings will be useful for determining the time to take shelter to avoid exposure to the radioactive plume (by cloudshine and/or intake) when a large-scale event is not predominant. Additionally, by applying the transport mechanism clarified here, we could potentially reduce the uncertainties relating to the deposition of radioactive materials. Therefore, we should continue improving existing numerical models to more accurately represent the local circulation caused by diurnal cycle processes. This finding could also useful to improve the local depositions simulated by a global circulation model31.
Generally, local circulation is not simple because various factors, such as land use, geographical features, and synoptic wind, strongly influence the local wind field12. The findings of this study indicate that when a severe nuclear power plant accident occurs, radioactive plumes could reach faraway places via multiple diurnal cycle processes. Therefore, establishing a detailed mechanism of local circulation in every area is necessary to make any progress in reducing the uncertainties related to exposure.
Yoshikane, T. et al. Long-distance transport of radioactive plume by nocturnal local winds. Sci. Rep. 6, 36584; doi: 10.1038/srep36584 (2016).
http://www.nature.com/articles/srep36584
Local Winds Brought Radioactive Materials From Fukushima To Tokyo
Nocturnal local winds carried radioactive material from Fukushima to Tokyo following the 2011 Fukushimia Daiichi nuclear accident.
AsianScientist (Jan. 17, 2017) – Nocturnal local winds were responsible for transporting radioactive material over 200km from the Fukushimia Daiichi nuclear accident to the Tokyo metropolitan area.
These findings by researchers from the University of Tokyo have been published in Scientific Reports. A research group led by Project Researcher Takao Yoshikane and Associate Professor Kei Yoshimura analyzed observational data and ran computer simulations to determine whether the radioactive plumes were carried by chance haphazard activity in the air or by a regular mechanism in the atmosphere. They found that the radioactive plume moves along two local wind systems that appear during the night on calm days when the impact of northwesterly seasonal winds and low-pressure systems are low. These nighttime local winds were formed by a difference in temperature between the North and the South, which created an upper layer of warm arm and a lower layer of cold air.
These findings indicate that should radioactive material be released over a long period of time, radioactive plumes could be frequently carried even to faraway places by such nocturnal local systems, and cause serious contamination in those areas.
On the other hand, the data show that it is possible to make a rough prediction of when, where, and how the radioactive plumes will travel by knowing the cycle of the winds. The current results could prove useful in determining when to seek shelter to avoid exposure to radiation.
“Stronger risk management strategies that allow for quick and cool-headed response to unforeseen situations are being sought,” said Yoshikane. “It is necessary to take into account local factors specific to each area, such as geographical features and traffic conditions.” “We hope that by expanding our study we can contribute to the development of risk management strategies through exchanges with people in other fields, government agencies, and local governments.”
The article can be found at: Yoshikane et al. (2016) Long-distance Transport of Radioactive Plume by Nocturnal Local Winds. ——— Source: University of Tokyo;
http://www.asianscientist.com/2017/01/in-the-lab/winds-radioactive-materials-fukushima-tokyo/
New Fukushima evacuee bullying case emerges at Tokyo school
Garbage taken home by a bullied student in Tokyo’s Chiyoda Ward (Provided by the student’s mother)
After school bullying cases emerged recently in cities including Yokohama and Niigata, another student who was evacuated from Fukushima Prefecture after the 2011 nuclear disaster has come forward.
The latest case, at a junior high school in the capital’s Chiyoda Ward, involved the victimized student being intimidated into paying for three other students’ sweets, juices and other goods, worth about 10,000 yen ($87).
The case came to light after the student and the student’s mother reported the bullying to the school.
“It is regrettable that bullying existed at this school. I will do my utmost to prevent it from happening again,” said the principal of the Chiyoda Ward government-run school.
The victim told The Asahi Shimbun that some students had begun to utter the taunt “hinansha” (evacuee) around summer 2015.
This year, the name-calling escalated, and the bullies started making insulting and threatening remarks such as, “You don’t have money as you came from Fukushima,” “Can’t you pay the bills for us as you are poor?” and “I will reveal that you are an evacuee.”
The bullies then manipulated the victim into paying for their doughnuts, juices and other goods.
The picked-on student was also pressured by the student’s tormenters to take home their trash, which they did by putting it into the student’s school bag.
At school, the student’s textbooks and notebooks went missing. Some of them were found in a corner of the classroom with ripped pages.
“Since my elementary school days, I have been bullied on the grounds that I am an evacuee. I was not able to tell that to anybody. It was painful. I thought that if I can silence other students with money, I will do it,” the student said.
In late November, the student’s mother noticed all the garbage in her child’s school bag. Finally the student told the mother what had been happening, and then reported the case to the school, along with the mother.
The school investigated 15 pupils but was not able to confirm that the victim has been bullied on the grounds that the student was an evacuee from Fukushima Prefecture.
However, three of those investigated admitted that the student had paid their bills. The school confirmed that the bills totaled about 10,000 yen.
The school said that it did not investigate the missing books, as it was not clear when they had disappeared.
“I had thought that the school would investigate who dumped them,” the mother said of the missing books, adding, “I want the school to deal with the case by paying more consideration to the bullied student.”
According to a wildlife journalist, even in Tokyo some animals suffer mutations
Already few weeks ago a Japanese friend mentioned to me that he noticed very few insects this summer in Tokyo. This article now corroborates it.
If the wild life around Tokyo is that affected, how about the health of the people living there?
Frog having one eye only (photo by Eiki Sato, from October 10, 2016)
Ravages in Tokyo from the nuclear accident at Fukushima Daiichi 250km away.
The documentary film “Paradise Phantom” just came out. This documentary is about the stationary observations on animals by Eiki Sato, a wildlife journalist. The screening of this film took place at a movie theater in Suginami-ku, Tokyo on September 25, 2016.
Sato filmed for 170 hours various animals in the wild places of Tokyo, for example the banks of the Arakawa river, the fields near sports stadiums and Tokyo plants. These are real paradises for many living creatures, such as kestrels, shrikes, bats, frogs, dragonflies, even the gray beetles, animals that are not on the global red list threatened species.
The documentary shows that since two years animals with abnormalities are being observed . The cause of these abnormalities would be the accumulated radioactivity in the soil of Tokyo, according to Eiki Sato.
During his observations Eiki Sato found many types of deformities, due to mutations: Various insects affected with malformed or missing wing, or with curled wings, or abnormal eyes, unabling them to fly. Mosquito with bent spine, dragonflies with mishaped eyes unable to fly high. Birds with affected eyes, or feathers, unable to fly. Many also cannot reproduce, their population sharply decreasing.
http://www.tokyo-sports.co.jp/entame/entertainment/602104/
Radiocontamination of Tokyo
Based on the data released by everyone to the Minna-san data website, a map of the soil contamination of Tokyo by radioactivity was put together.
This data is the result of measurements from 2013 to now 2016.
You can see that the radioactive contamination spread over a wide range of Tokyo.
Particularly, Katsushika district, Edogawa district, Shinjuku district, Setagaya district and Bunkyō district.
Radioactive contamination of both radioactive cesium 134 and 137 exceeding 500Bq / kg has been confirmed.
Among other locations: Inagi city/ Katsushi district / Edogawa district / Eto district / Arakawa district / Kokubunji city / Kokuritsu City / Komae City / Mitaka City / Kodaira city/ Shinjuku district / Suginami district/ Setagaya district / Nishitama gun / Ome city / Chiyoda district / Ota District/ Oshima-cho / Machida city / Chofu city / Higashi Kurume City / Higashimurayama city / Hachioji city / Fuchu city / Musashino City / Fukuo city/ Bunkyo district / Toshima district/ Kita district / Tachikawa city.
Read more at: (in Japanese)
Anti-nuclear power protest tents forcibly removed from outside ministry
Yesterday I wrote a long-ish post about last weekend’s attack on the anti-nuclear power protest tents that have occupied a corner of land outside the Ministry of Economy, Trade and Industry (METI) in Kasumigaseki since 2011. I included some of the history of the tents and resistance against the orders calling for their removal. After the Supreme Court rejected the activists’ final appeal in late July, the end seemed nigh and it seems I jumped the gun.
The post about last week’s incident swiftly became obsolete when around 100 security guards and court officials arrived at the tents in the early hours of today, August 21st. Starting at 3.30 a.m. on the 1,807th day of the sit-in, it took all of 90 minutes for them to remove the tents, placards and other materials that were the signs of a five-year protest movement. There were apparently some five activists staying at the tents overnight but they could do nothing to prevent the removal.
The choice of the early morning to enforce the eviction was surely a deliberate one to avoid trouble with protestors. If it had been during the daytime, the activists could have quickly mobilised dozens, maybe even hundreds, of supporters, as we saw at last weekend’s incident. Earlier on August 21st, police and security guards completely barricaded the corner of the street in a show of force in case there was an ugly response from activists.
Today there was also a demonstration by a hate group in Kawaguchi City, on the outskirts of Tokyo, which consumed the manpower of the counter-protest group C.R.A.C., who otherwise may have rallied activists to the ministry.
Ironically, I had been planning to go see the tents today, since I knew it might be my last chance. In the end, I missed my opportunity. Nonetheless I went to see the aftermath and found a mood that was muted yet resilient. There were no more tents; the iconic facade of the site was gone, replaced by large fences obstructing any new tents from being erected. But still there were some 15 protestors sitting on chairs, banners unfurled on the pavement and flags stuck into the hedges. A couple of activists were banging a drum. There was a police presence, of course: a few officers and some riot police vans. A random rightist was spewing forth anger at the protestors from the street while being physically held back by police officers. You can just about see him in the right of the photograph below.
Earlier an activist had been arrested and was being held at a police station in Marunouchi, and many of others had gone there to call for his or her release. By chance, Masami Yoshizawa from Kibō no Bokujō (Farm of Hope) was also in the area, driving around a car with a fake cow on a trailer. He has previously brought actual diseased cattle to Tokyo in an attempt to remind bureaucrats of the continuing plight of Fukushima.
The activists told me that they would be continuing the protest at the site, only no longer with tents. Alternatively known in English as the Occupy Tents, Anti-Nuclear Occupy Tent, No Nukes Plaza or Tent Plaza, the central structures are now gone but the idea of the “plaza” survives.
However, Japan’s relatively harsh rules on public assembly may make it harder for protestors to gather at the location in greater numbers for events like they used to, since now they will literally just be standing or sitting on the street. In theory, any public demonstration is required to be registered with police in advance.
In my post on August 20th, I wrote that “the fury of Fukushima lives on in Kasumigaseki”. Was that too optimistic? We shall see.
WILLIAM ANDREWS
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