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Yoshihito Ohtsuka

Observed names: Y. Ohtsuka, Yoshihito OHTSUKA
ORCID: 0000-0003-0567-2351
Observed ORCID: 0000-0003-0567-2351
OpenAlex ID: A5091387722
Fluvial discharges of radiocaesium from watersheds contaminated by the Fukushima Dai-ichi Nuclear Power Plant accident, Japan
2012 · Shinji Ueda, Hidenao Hasegawa, et al. · Journal of Environmental Radioactivity · 198
Effects of radiocesium inventory on 137Cs concentrations in river waters of Fukushima, Japan, under base-flow conditions
2015 · Shinya Ochiai, Shinji Ueda, et al. · Journal of Environmental Radioactivity · 56
Deposition of 137Cs in Rokkasho, Japan and its relation to Asian dust
2007 · Naofumi Akata, Hidenao Hasegawa, et al. · Journal of Environmental Radioactivity · 35
Regional and global contributions of anthropogenic iodine-129 in monthly deposition samples collected in North East Japan between 2006 and 2015
2017 · Hidenao Hasegawa, Hideki Kakiuchi, et al. · Journal of Environmental Radioactivity · 30
Development of Rapid Plutonium Analysis for Environmental Samples by Isotope Dilution/Inductively Coupled Plasma Mass Spectrometry with On-line Column
2005 · Yoshihito Ohtsuka, Yuichi Takaku, et al. · Analytical Sciences · 30
Ten-year radiocesium fluvial discharge patterns from watersheds contaminated by the Fukushima nuclear power plant accident
2021 · Shinji Ueda, Hidenao Hasegawa, et al. · Journal of Environmental Radioactivity · 29
Uranium isotopes in well water samples as drinking sources in some settlements around the Semipalatinsk Nuclear Test Site, Kazakhstan
2010 · Masayoshi Yamamoto, Junpei Tomita, et al. · Journal of Radioanalytical and Nuclear Chemistry · 25
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Rapid Method for the Analysis of Plutonium Isotopes in a Soil Sample within 60 min
2006 · Yoshihito Ohtsuka, Yuichi Takaku, et al. · Analytical Sciences · 23
Evaluation of 239+240Pu, 137Cs and natural 210Pb fallout in agricultural upland fields in Rokkasho, Japan
2004 · Y. Ohtsuka, T. Iyogi, et al. · Journal of Radioanalytical and Nuclear Chemistry · 20
Inventories of 239+240Pu, 137Cs, and excess 210Pb in sediments from freshwater and brackish lakes in Rokkasho, Japan, adjacent to a spent nuclear fuel reprocessing plant
2009 · Shinji Ueda, Yoshihito Ohtsuka, et al. · Journal of Environmental Radioactivity · 18
Spatial and temporal changes of 137Cs concentrations derived from nuclear power plant accident in river waters in eastern Fukushima, Japan during 2012–2014
2015 · Shinya Ochiai, Shinji Ueda, et al. · Journal of Radioanalytical and Nuclear Chemistry · 16
Concentrations of iodine-129 in coastal surface sediments around spent nuclear fuel reprocessing plant at Rokkasho, Japan, during and after its test operation
2019 · Yuhi Satoh, Shinji Ueda, et al. · Journal of Radioanalytical and Nuclear Chemistry · 15
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240Pu/239Pu and 242Pu/239Pu atom ratios of Japanese monthly atmospheric deposition samples during 1963–1966
2019 · Yoshihito Ohtsuka, Michio Aoyama, et al. · Scientific Reports · 12
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Concentrations of 137Cs, 90Sr, 108mAg, 239+240Pu and atom ratio of 240Pu/239Pu in tanner crabs, Chionoecetes japonicus and Chionoecetes opilio collected around Japan
2010 · Takami Morita, Yoshihito Ohtsuka, et al. · Marine Pollution Bulletin · 11
Inventories of 239+240Pu, 137Cs, and excess 210Pb in sediment cores from brackish Lake Obuchi, Rokkasho Village, Japan
2004 · S. Ueda, Y. Ohtsuka, et al. · Journal of Radioanalytical and Nuclear Chemistry · 11
Distribution and speciation of radionuclides in the environment
2000 · Jiro Inaba, Shun’ichi Hisamatsu, et al. · 10
Sedimentation rate in brackish Lake Obuchi, Rokkasho Village, Japan, bordered by nuclear fuel cycle facilities
2005 · S. Ueda, Y. Ohtsuka, et al. · Journal of Radioanalytical and Nuclear Chemistry · 9
Cosmogenic radionuclide 22Na in the Lake Biwa system (Japan): residence time, transport and application to the hydrology
2005 · Aya Sakaguchi, Yoshihito Ohtsuka, et al. · Earth and Planetary Science Letters · 9
Low-level measurement of the cosmogenic 22Na radionuclide in fresh water by ultra low-background gamma-ray spectrometry after simple radiochemical separation
2003 · A. Sakaguchi, M. Yamamoto, et al. · Journal of Radioanalytical and Nuclear Chemistry · 8
Comparison of dissolved iodine measurements in seawater between inductively coupled plasma mass spectrometry and voltammetry
2024 · Yuhi Satoh, Yoshihito Ohtsuka · Analytical Sciences · 7
Cosmogenic radionuclide22Na as an index in evaluating residence time of lake water
2002 · Y. Ohtsuka, M. Yamamoto, et al. · Radioprotection · 6
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Nuclear accident-derived 129I in several river water, eastern Fukushima, Japan, 2016–2020
2025 · Shinji Ueda, Hidenao Hasegawa, et al. · Journal of Environmental Radioactivity · 5
Daily Radionuclide Ingestion and Internal Radiation Doses in Aomori Prefecture, Japan
2013 · Yoshihito Ohtsuka, Hideki Kakiuchi, et al. · Health Physics · 5
Changes in 129I concentration of soil samples after thermal drying
2024 · Yuhi Satoh, Yoshihito Ohtsuka · Radiation Protection Dosimetry · 3
Investigation of changes in the iodine concentrations of oceanic sediment and terrestrial soil samples after thermal drying
2023 · Yuhi Satoh, Yoshihito Ohtsuka · Environmental Monitoring and Assessment · 3
Works count: 44
Citation count: 608
H-index: 12
I10-index: 16
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