Radioactive Cesium Estimate

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Novel Method of Quantifying Radioactive Cesium

Novel Method of Quantifying Radioactive Cesium-Rich Microparticles (CsMPs) in the Environment from the Fukushima Daiichi Nuclear Power Plant Ryohei Ikehara † Mizuki Suetake † Tatsuki Komiya † Genki Furuki † Asumi Ochiai † Shinya Yamasaki ‡

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Journal of Environmental Quality Abstract

Journal of Environmental Quality Abstract - Application of Radioactive Fallout Cesium-137 for Measuring Soil Erosion and Sediment Accumulation Rates and Patterns Using 137Cs to estimate wind erosion and dust deposition on grassland in Inner Mongolia-selection of a reference site and description of the temporal variability

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Radioactive and stable cesium isotope distributions and

The radiocesium distribution between the aboveground biomass compartments at Yamakiya during 2014-2016 was gradually approaching a quasi-equilibrium distribution with stable cesium Strong correlations of radioactive and stable cesium isotope concentrations in all compartments of the ecosystem have not been reached yet

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TEPCO Fukushima Cesium Release Over 4 Times Higher

Chernobyl is estimated to have released a 968 000 terabecquerels of radioactive Iodine-131 into the atmosphere compared to the current Fukushima estimate of 400 000 terabecquerels The estimates only include levels of Cesium-137 and Iodine-131 released into the atmosphere and does not include the amount of radiation released into the water

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First reliable estimates of highly radioactive cesium

14-8-2018Scientists have for the first time been able to estimate the amount of radioactive cesium-rich microparticles released by the disaster at the Fukushima power plant in 2011 This work which will have significant health and environmental implications is presented at the Goldschmidt geochemistry conference in Boston

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First reliable estimates of highly radioactive cesium

Autoradiograph of radioactive cesium particle CRedit Dr Satoshi UTSUNOMIYA Aug 14 2018 – Scientists have for the first time been able to estimate the amount of radioactive cesium-rich microparticles released by the disaster at the Fukushima power plant in 2011

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Estimation of radioactive 137

Estimation of radioactive 137-cesium transportation by litterfall stemflow and throughfall in the forests of Fukushima To predict the future dynamics of radioactive cesium (137 Cs) we aimed to estimate the annual amount of 137 Cs descending from the canopy to

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Spatial variability of radioactive cesium fallout on

In the southern region the radioactive cesium (Cs) contents of herbage plants exceeded the provisional safety standard for dairy and fattening cattle feed (MAFF 2011b) and the livestock industry has been seriously affected in numerous ways needing to dispose of polluted forage grazing prohibitions declines in beef prices suspensions of

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Whole

radioactive cesium in cats and dogs is not known we used parameters for humans reproductive organs were then measured for radioactivity to estimate the amounts of internal exposure Whole-body counter A whole-body counter was used to evaluate the internal exposure of rescued and acclimated

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Software development for estimating the concentration of

30-9-2015In this study we analyzed the concentrations of radioactive cesium in the blood and skeletal muscle of 88 cattle and detected a linear correlation between them We then developed software that can be used to estimate radioactive cesium concentrations in muscle tissue from blood samples

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A kinematic model to estimate the effective dose of

Radiological internal exposure becomes a serious social issue both in Japan and all over the world The present study provides an easily understandable kinematic-based model to estimate the effective dose of radioactive substances in a human body by simplified the complicated mechanism of metabolism

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Export of radioactive cesium from agricultural fields

4-2-2015In this study we investigated the impact of rainfall on runoff soil erosion and consequently on the discharge of radioactive cesium in agricultural fields in Fukushima prefecture using a rainfall simulator Simulated heavy rainfalls (50 mm h−1) generated significant runoff

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Export of radioactive cesium from agricultural fields

Export of radioactive cesium from agricultural fields under simulated rainfall in Fukushima Thai Phong K Suka Yuma Sakai Masaru Nanko Kazuki Yen Jui-Hung Watanabe Hirozumi (2015) Export of radioactive cesium from agricultural fields under simulated rainfall in Fukushima

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First reliable estimates of highly radioactive cesium

been no reliable estimate of how much radioactive cesium-rich microparticles was deposited in the surrounding area and how this material was distributed Now a group of international scientists led by Dr Satoshi Utsunomiya (Associate Professor of Kyushu University Fukuoka Japan) has been able to give the first accurate estimates of the

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Assessment of radioactive cesium deposition using

Ground-based gamma-ray spectrometry using a LaBr3(Ce) detector was conducted to assess radioactive cesium deposition in soil contaminated by the accident at the Fukushima Daiichi Nuclear Power Plant (FDNPP) in Japan Five sites including a reference site with relatively low contamination were selected as having different levels of ambient

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First reliable estimates of highly radioactive cesium

14-8-2018Scientists have for the first time been able to estimate the amount of radioactive cesium-rich microparticles released by the disaster at the Fukushima power plant in 2011 This work which will have significant health and environmental implications is presented at the Goldschmidt geochemistry

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Should We Be Worried About Radiation from Fukushima?

26-10-2017Even if we went hog wild on fish and managed to triple the maximum exposure estimate from Fukushima-area seafood really only found trace amounts of radioactive cesium—1000 times lower than what's considered potentially dangerous Should We Be Worried About Radiation from Fukushima? As the months and years roll on

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The latest TEPCO radiation estimate puts the amount of

10-7-2013The new estimated calculated the level of cesium released to be 360 000 tera becquerels That is 24 times higher than last August's estimate and represents a cesium leak equal to 4 023 Hiroshima bombs The estimate is also more than 4 times Chernobylwhich is estimated to have released 85 000 tera becquerels of cesium radiation into atmosphere

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radioactive cesium 4

Radioactive cesium (137 Cs) removal has become an emerging issue after the Fukushima Daiichi Nuclear Power Plant Disaster [1 2 3 4] Thus radioactive cesium due to its high radioactivity and relatively long half-life time (30 2 years) is a significant component of nuclear wastes and

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Radioactive Iodine Releases from Japan's Fukushima

Cesium-137 contamination is the main reason that a huge exclusion zone (about 1 000 square miles) still needs to be maintained around Chernobyl The radioactive fallout from the damaged Fukushima reactors has already covered substantial parts of Honshu Japan's main island

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Using Experimental Transfer Factors to Estimate the Ratio

Using Experimental Transfer Factors to Estimate the Ratio between the Committed Effective Dose from Ingestion of Radio-tellurium to that of Radio-cesium Released by the Fukushima Daiichi Nuclear Power Plant Accident 13 of radionuclides it is necessary to estimate their concentration in the soil In this study we focused on comparison of the

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Fukushima Reuse of radioactive soil could cut costs by 1

The estimate in question was presented during a closed-door meeting of the ministry in January and stated that reuse of radioactive soil generated from Fukushima decontamination work could cut the cost for purifying such soil from 2 9127 trillion yen in case the levels of radioactive cesium are reduced to 100 becquerels per kilogram to 1 345

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HOW MUCH RADIATION WAS RELEASED BY

HOW MUCH RADIATION WAS RELEASED BY CHERNOBYL? HOW MUCH RADIATION WAS RELEASED BY CHERNOBYL the U S government officially doubled its estimate of the average "background" radiation to which we are exposed from 170 also estimates that some 50 million curies of different radioactive isotopes were discharged from the

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10 Most Dangerous Chemical Elements

10 Most Dangerous Chemical Elements Inhalation is the most harmful route for plutonium exposure and one estimate suggests 500g of plutonium dust released into the is not mildly radioactive as it is comprised of only one isotope Cs-133 which is stable There is a small amount of radioactive Cesium 137 throughout the environment

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Japan's Radiation Exposure How Serious Is It?

12-3-2011Epidemiologists estimate that there were 6 000 to 7 000 cases of thyroid cancer that never would have occurred as a result of the 1986 Chernobyl explosion in Russia Most of the victims were people who were children at the time of their exposure and developed the disease later Strontium and cesium are the next up the danger scale

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Spatial variability of radioactive cesium fallout on

Request PDF on ResearchGate | Spatial variability of radioactive cesium fallout on grasslands estimated in various scales | Large releases of radionuclides from the Fukushima Daiichi Nuclear Power Plant have resulted in serious radioactive pollution over a wide region over Eastern Japan and the livestock industry has suffered serious damage as

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Rad Pro Calculator Free Online Gamma Activity Dose Rate

In general the latter with buildup should be the most accurate but the choice is the user's For an explanation of which one to use read the shielding and buildup white paper on this site by clicking on the Documents/Shielding button above

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English Digest BOOK has been released in September 2019

In contrast after the Fukushima Daiichi Nuclear Power Plant accident soil measurements were more or less not conducted outside of Fukushima Prefecture and the government has only published estimated numbers of the deposition amount of radioactive cesium

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Radioactive waste

Radioactive waste is waste that contains radioactive material Radioactive waste is usually a by-product of nuclear power generation and other applications of nuclear fission or nuclear technology such as research and medicine Radioactive waste is hazardous to most forms of life and the environment and is regulated by government agencies in

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True facts about Ocean Radiation and the Fukushima

28-11-2013Radioactive isotopes were also released into the air and were absorbed by the ocean when they rained down upon it These two pathways introduced mostly Iodine-131 Cesium-137 and Cesium-134 but also a sprinkling of Tellurium Uranium and Strontium to

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