Search Results - "Hidenao, Hasegawa"
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TRITIUM AND IODINE-129 IN WATER SAMPLES COLLECTED ADJACENT TO A SPENT NUCLEAR FUEL REPROCESSING PLANT IN ROKKASHO, JAPAN
Published in Radiation protection dosimetry (09-09-2022)“…Between April 2006 and October 2008, tritium ( 3H) and iodine-129 ( 129I) were released into the atmosphere and ocean from a spent nuclear fuel reprocessing…”
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Fluvial discharges of radiocaesium from watersheds contaminated by the Fukushima Dai-ichi Nuclear Power Plant accident, Japan
Published in Journal of environmental radioactivity (01-04-2013)“…A large amount of radiocaesium, 134Cs and 137Cs, was released to the atmosphere and Pacific Ocean from the Tokyo Electric Power Company's Fukushima Dai-ichi…”
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ANALYSIS OF 210PB DEPOSITION DISTRIBUTION CHARACTERISTICS IN WINTER AT ROKKASHO IN AOMORI BASED ON HIGH RESOLUTION ATMOSPHERIC TRANSPORT/DEPOSITION MODEL CALCULATION
Published in Radiation protection dosimetry (09-09-2022)“…To evaluate 210Pb deposited on the surface of sea around Japan in detail, the performance of atmospheric transport/deposition model for 222Rn and its progenies…”
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Processes affecting land-surface dynamics of 129I impacted by atmospheric 129I releases from a spent nuclear fuel reprocessing plant
Published in The Science of the total environment (20-02-2020)“…[Display omitted] •A field near a spent nuclear fuel reprocessing plant was contaminated with 129I.•Leaf contamination was caused by foliar adsorption of 129I…”
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DISTRIBUTION OF RADIOCESIUM IN BLACK PINE TREE FORESTS IN ROKKASHO, AOMORI, JAPAN
Published in Radiation protection dosimetry (09-09-2022)“…Since the Fukushima Dai-ichi Nuclear Power Plant (FDNNP) accident in 2011, 134Cs had been detected in atmospheric deposition samples collected in Rokkasho and…”
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Regional and global contributions of anthropogenic iodine-129 in monthly deposition samples collected in North East Japan between 2006 and 2015
Published in Journal of environmental radioactivity (01-05-2017)“…We measured the monthly atmospheric deposition flux of 129I at Rokkasho, Aomori, Japan—the location of a commercial spent nuclear fuel reprocessing plant—from…”
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Sources of dissolved I-129 in brackish lake water during and after the operation of a spent nuclear fuel reprocessing plant
Published in Journal of radioanalytical and nuclear chemistry (2021)“…The contribution of four sources (river water, seawater, atmospheric deposition, and dissolution from sediment) to the I-129 concentration in water of a…”
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Impacts of anthropogenic source from the nuclear fuel reprocessing plants on global atmospheric iodine-129 cycle: A model analysis
Published in Atmospheric environment (1994) (01-07-2018)“…The long-lived radioactive iodine (129I) is a useful geochemical tracer of radioactivity in the atmospheric environment. Although the behavior of 129I in the…”
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Reassessment of the radiocesium resuspension flux from contaminated ground surfaces in eastern Japan
Published in Atmospheric chemistry and physics (18-01-2022)“…Resuspension of 137Cs from the contaminated ground surface to the atmosphere is essential for understanding the environmental behaviors of 137Cs and estimating…”
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Determination of Iodide, Iodate and Total Iodine in Natural Water Samples by HPLC with Amperometric and Spectrophotometric Detection, and Off-line UV Irradiation
Published in Analytical Sciences (2016)“…We developed a rapid, simple method for the iodine speciation analysis of water and applied it to natural water samples. Simultaneous determinations of I− and…”
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A SIMULATION STUDY OF DEPOSITION PARAMETERS FOR 129I DISCHARGED FROM THE ROKKASHO REPROCESSING PLANT
Published in Radiation protection dosimetry (01-10-2019)“…Abstract The first commercial spent nuclear fuel reprocessing plant at Rokkasho in Japan discharged 129I from actual spent nuclear fuel into the atmosphere…”
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Iodine-129 in water samples collected adjacent to a spent nuclear fuel reprocessing plant in Rokkasho, Japan
Published in Journal of radioanalytical and nuclear chemistry (01-02-2015)“…The spent nuclear fuel reprocessing plant in Rokkasho, Japan, has been undergoing final testing since March 2006. The concentrations of 129 I in environmental…”
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Temporal variation of post-accident atmospheric 137 Cs in an evacuated area of Fukushima Prefecture: Size-dependent behaviors of 137 Cs-bearing particles
Published in Journal of environmental radioactivity (01-12-2016)“…The concentrations of Cs in the air, which were divided into coarse (>1.1 μm ϕ) and fine (<1.1 μm ϕ) fractions of particulate matter (PM), were measured from…”
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Concentration of 3H in plants around Fukushima Dai-ichi Nuclear Power Station
Published in Scientific reports (10-12-2012)“…A large amount of radionuclides was released from the Fukushima Dai-ichi Nuclear Power Station (FDNPS) following the damage caused by the tsunami due to the…”
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Characteristics of hydrogen and oxygen stable isotope ratios in precipitation collected in a snowfall region, Aomori Prefecture, Japan
Published in GEOCHEMICAL JOURNAL (20-01-2014)“…Characteristics of δ2H and δ18O in precipitation samples collected at 16- to 17-d intervals at three stations at the northern end of Honshu Island, Japan, were…”
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Nuclear accident-derived 3H in river water of Fukushima Prefecture during 2011–2014
Published in Journal of environmental radioactivity (01-08-2015)“…During 2011–2014, we measured 3H concentrations in river water samples collected during base flow conditions and during several flood events from two small…”
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Spatial and temporal changes of 137Cs concentrations derived from nuclear power plant accident in river waters in eastern Fukushima, Japan during 2012–2014
Published in Journal of radioanalytical and nuclear chemistry (01-03-2016)“…Concentrations of 137 Cs measured in water collected from seven rivers under base-flow conditions in eastern Fukushima Prefecture in 2014 were combined with…”
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Effects of radiocesium inventory on 137Cs concentrations in river waters of Fukushima, Japan, under base-flow conditions
Published in Journal of environmental radioactivity (01-06-2015)Get full text
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Rifting of Kyushu, Japan, based on the fault-controlled concurrent eruption of oceanic island basalt-type and island arc-type lavas
Published in Bulletin of volcanology (01-07-2012)“…The tectonic environment of Kyushu, Japan is affected both by the subduction of the Philippine Sea plate and by the extensional tectonics related to rifting of…”
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Effect of the counter anion of cesium on foliar uptake and translocation
Published in Journal of environmental radioactivity (2009)“…Direct deposition of radioactive material onto crops is one important pathway for safety assessment of radionuclides released from nuclear facilities. Foliar…”
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