Personal information

Other IDs

Scopus Author ID: 57205143814
Scopus Author ID: 33567976300

Keywords

iodine-129, radiokrypton, environmental radioactivity, tritium, Cl-36

Countries

Japan

Activities

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Employment (4)

Nagaoka University of Technology: Nagaoka, Niigata, JP

2020-07-01 to present | associate professor (Department of Nuclear Technology)
Employment
Source: Self-asserted source
Tomoko Ohta

Central Research Institute of Electric Power Industry: Abiko, Chiba, JP

2016-04-01 to 2020-06-30 | Dr. (Civil Engineering Research Laboratory)
Employment
Source: Self-asserted source
Tomoko Ohta

Hokkaido University: Sapporo, JP

2011-06-01 to 2016-03-31 | assistant professor (Faculty of Engineering)
Employment
Source: Self-asserted source
Tomoko Ohta

Kyoto University: Kumatori, JP

2006-04-01 to 2011-05-31 | assistant professor (Research reactor of institute )
Employment
Source: Self-asserted source
Tomoko Ohta

Professional activities (1)

The University of Tokyo: Kashiwa, Chiba, JP

2017-08-01 to present (School of Frontier Science)
Invited position
Source: Self-asserted source
Tomoko Ohta

Works (50 of 58)

Items per page:
Page 1 of 2

Record of the Fukushima nuclear accident in unsaturated soil water and the fate of nuclear contamination

2025-03-18 | Preprint
DOI: 10.5194/egusphere-egu25-3386
Contributors: Tomoko Ohta; Keith Fifield; László Palcus; Stephen Tims; Stefan Pavetich; Hiroyuki Matsuzaki; Daisuke Tsumune; Yasunori Mahara
Source: check_circle
Crossref

Tritium concentration in the modern commercial D2O reagents

Analytical Sciences
2024-10 | Journal article
DOI: 10.1007/s44211-024-00615-6
Contributors: Tomoko Ohta; Satoshi Fukutani; Takumi Kubota; Yasunori Mahara
Source: check_circle
Crossref

Feasibility of 129I groundwater dating calibrated by both 81Kr and 4He for the assessment of deep geological repositories in Japan

Scientific Reports
2024-07-08 | Journal article
DOI: 10.1038/s41598-024-66250-3
Part of ISSN: 2045-2322
Contributors: Tomoko Ohta; Takuma Hasegawa; Wei Jiang; Guo Min Yang; Zheng-Tian Lu; Yasunori Mahara
Source: Self-asserted source
Tomoko Ohta

Identification of modern meteoric water, glacial meteoric water, and fossil seawater in a deep borehole at the coastal area of Horonobe, north Japan, using groundwater dating and paleoclimatic proxy methods

Chemical Geology
2024-02 | Journal article
DOI: 10.1016/j.chemgeo.2023.121826
Part of ISSN: 0009-2541
Contributors: Takuma Hasegwa; Kotaro Nakata; Yuichi Tomioka; Tomoko Ohta; Shunichi Okamoto; Atsunao Marui; Isao Machida; Reo Ikawa; Masahiko Ono; Shinji Matsumoto
Source: Self-asserted source
Tomoko Ohta

Record of 3H and 36Cl from the Fukushima nuclear accident recovered from soil water in the unsaturated zone at Koriyama

Scientific Reports
2023-11-11 | Journal article
DOI: 10.1038/s41598-023-46853-y
Part of ISSN: 2045-2322
Contributors: Tomoko Ohta; L. Keith Fifield; László Palcsu; Stephen G. Tims; Stefan Pavetich; Yasunori Mahara
Source: Self-asserted source
Tomoko Ohta

Study on discrimination methodology to identify the origin and area of influence of deep-seated fluids in terms of dissolved chemicals

Journal of Nuclear Fuel Cycle and Environment
2022-12-15 | Journal article
DOI: 10.3327/jnuce.29.2_82
Part of ISSN: 1884-7579
Part of ISSN: 2186-7135
Contributors: Yuichi TOMIOKA; Hirofumi KONDO; Fumitake KUSUHARA; Takuma HASEGAWA; Tomoko OHTA
Source: Self-asserted source
Tomoko Ohta

Publisher Correction: Origin and hydrodynamics of xylem sap in tree stems, and relationship to root uptake of soil water

Scientific Reports
2021-08-03 | Journal article
DOI: 10.1038/s41598-021-95470-0
Part of ISSN: 2045-2322
Contributors: Yasunori Mahara; Tomoko Ohta; Jyunichi Ohshima; Kazuya Iizuka
Source: Self-asserted source
Tomoko Ohta

Origin and hydrodynamics of xylem sap in tree stems, and relationship to root uptake of soil water

Scientific Reports
2021-04-16 | Journal article
DOI: 10.1038/s41598-021-87397-3
Part of ISSN: 2045-2322
Contributors: Yasunori Mahara; Tomoko Ohta; Jyunichi Ohshima; Kazuya Iizuka
Source: Self-asserted source
Tomoko Ohta

Evaluation of the spatial distribution of submarine groundwater discharge in a small island scale using the <sup>222</sup> Rn tracer method and comparative modeling

Marine Chemistry
2019 | Journal article
DOI: 10.1016/j.marchem.2018.12.003
EID:

2-s2.0-85058786171
Contributors: Zhu, A.; Saito, M.; Onodera, S.-I.; Shimizu, Y.; Jin, G.; Ohta, T.; Chen, J.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Variation of <sup>14</sup>C in Japanese Tree Rings Related to the Fukushima Nuclear Accident

Radiocarbon
2019-08 | Journal article
DOI: 10.1017/rdc.2019.47
Part of ISSN: 0033-8222
Part of ISSN: 1945-5755
Contributors: Tamás Varga; László Palcsu; Tomoko Ohta; Yasunori Mahara; A J Timothy Jull; Mihály Molnár
Source: Self-asserted source
Tomoko Ohta

Optimization of a portable hollow-fiber-based device for extracting radiokrypton dissolved in deep groundwater and selection of 222Rn as an indicator of Kr extraction efficiency

Journal of Hydrology
2019-07 | Journal article
DOI: 10.1016/j.jhydrol.2019.04.059
Contributors: Tomoko Ohta; Takuma Hasegawa; Kotaro Nakata; Yuichi Tomioka; Takuya Matsumoto; Yasunori Mahara
Source: check_circle
Crossref

Degassing behavior of noble gases from groundwater during groundwater sampling

Applied Geochemistry
2019-05 | Journal article
DOI: 10.1016/j.apgeochem.2019.03.007
Part of ISSN: 0883-2927
Contributors: K. Nakata; T. Hasegawa; D.K. Solomon; K. Miyakawa; Y. Tomioka; T. Ohta; T. Matsumoto; K. Hama; T. Iwatsuki; M. Ono et al.
Source: Self-asserted source
Tomoko Ohta

Groundwater flow traced by bomb pulses of <sup>36</sup> Cl and tritiogenic <sup>3</sup> He in a borehole

Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
2018 | Journal article
DOI: 10.1016/j.nimb.2018.12.023
EID:

2-s2.0-85058791323
Contributors: Mahara, Y.; Ohta, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Application of mass spectrometry for analysis of cesium and strontium in environmental samples obtained in Fukushima prefecture: Analysis of cesium isotope compositions in environmental samples by thermal ionization mass spectrometry-2

Radiological Issues for Fukushima's Revitalized Future
2016 | Book chapter
Part of DOI: 10.1007/978-4-431-55848-4_4
EID:

2-s2.0-84960463863
Contributors: Shibahara, Y.; Kubota, T.; Fukutani, S.; Fujii, T.; Takamiya, K.; Ohta, T.; Shibata, T.; Yoshikawa, M.; Konno, M.; Mizuno, S. et al.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Front tracking of the translocation of water-soluble cesium deposited on tree leaves of plum

Journal of Radioanalytical and Nuclear Chemistry
2016 | Journal article
DOI: 10.1007/s10967-016-4791-8
EID:

2-s2.0-84961202740
Contributors: Ohta, T.; Torimoto, J.; Kubota, T.; Mahara, Y.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Isotopic ratio of<sup>135</sup>Cs/<sup>137</sup>Cs in Fukushima environmental samples collected in 2011

Radiological Issues for Fukushima's Revitalized Future
2016 | Book chapter
Part of DOI: 10.1007/978-4-431-55848-4_3
EID:

2-s2.0-84960326572
Contributors: Kubota, T.; Shibahara, Y.; Ohta, T.; Fukutani, S.; Fujii, T.; Takamiya, K.; Mizuno, S.; Yamana, H.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Speciation of <sup>137</sup>Cs and <sup>129</sup>I in soil after the Fukushima NPP accident

Radiological Issues for Fukushima's Revitalized Future
2016 | Book chapter
Part of DOI: 10.1007/978-4-431-55848-4_2
EID:

2-s2.0-84960388750
Contributors: Ohta, T.; Mahara, Y.; Fukutani, S.; Kubota, T.; Matsuzaki, H.; Shibahara, Y.; Igarashi, T.; Fujiyoshi, R.; Watanabe, N.; Kozaki, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

&lt;sup&gt;235&lt;/sup&gt;U/&lt;sup&gt;238&lt;/sup&gt;U Isotopic ratio in plant samples from Fukushima Prefecture

Journal of Radioanalytical and Nuclear Chemistry
2015 | Journal article
DOI: 10.1007/s10967-014-3542-y
EID:

2-s2.0-84921378870
Contributors: Shibahara, Y.; Kubota, T.; Fujii, T.; Fukutani, S.; Ohta, T.; Takamiya, K.; Okumura, R.; Mizuno, S.; Yamana, H.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Cherenkov counting of <sup>90</sup>Sr and <sup>90</sup>Y in bark and leaf samples collected around Fukushima Daiichi Nuclear Power Plant

Journal of Radioanalytical and Nuclear Chemistry
2015 | Journal article
DOI: 10.1007/s10967-014-3348-y
EID:

2-s2.0-84928986160
Contributors: Kubota, T.; Shibahara, Y.; Fukutani, S.; Fujii, T.; Ohta, T.; Kowatari, M.; Mizuno, S.; Takamiya, K.; Yamana, H.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Analysis of cesium isotope compositions in environmental samples by thermal ionization mass spectrometry - 1. A preliminary study for source analysis of radioactive contamination in Fukushima prefecture

Journal of Nuclear Science and Technology
2014 | Journal article
DOI: 10.1080/00223131.2014.891954
EID:

2-s2.0-84897768128
Contributors: Shibahara, Y.; Kubota, T.; Fujii, T.; Fukutani, S.; Ohta, T.; Takamiya, K.; Okumura, R.; Mizuno, S.; Yamana, H.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Atmospheric direct uptake and long-term fate of radiocesium in trees after the fukushima nuclear accident

Scientific Reports
2014 | Journal article
DOI: 10.1038/srep07121
EID:

2-s2.0-84923324054
Contributors: Mahara, Y.; Ohta, T.; Ogawa, H.; Kumata, A.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Effects of terrigenic He components on tritium-helium dating: A case study of shallow groundwater in the Saijo Basin

Applied Geochemistry
2014 | Journal article
DOI: 10.1016/j.apgeochem.2014.02.013
EID:

2-s2.0-84910097034
Contributors: Mahara, Y.; Ohta, T.; Morikawa, N.; Nakano, T.; Tokumasu, M.; Hukutani, S.; Tokunaga, T.; Igarashi, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Radiation measurement in East Japan in 2011 after the Fukushima nuclear accident

Radiation Monitoring and Dose Estimation of the Fukushima Nuclear Accident
2014 | Book chapter
Part of DOI: 10.1007/978-4-431-54583-5_8
EID:

2-s2.0-84948989463
Contributors: Kubota, T.; Hori, J.-I.; Sato, N.; Takamiya, K.; Ohta, T.; Mahara, Y.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Aging effect of <sup>137</sup> Cs obtained from <sup>137</sup> Cs in the kanto loam layer from the fukushima nuclear power plant accident and in the nishiyama loam layer from the Nagasaki A-bomb explosion

Analytical Sciences
2013 | Journal article
DOI: 10.2116/analsci.29.941
EID:

2-s2.0-84885935561
Contributors: Ohta, T.; Mahara, Y.; Kubota, T.; Igarashi, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Erratum to Aging effect of <sup>137</sup> Cs obtained from <sup>137</sup> Cs in the kanto loam layer from the fukushima nuclear power plant accident and in the nishiyama loam layer from the Nagasaki a-bomb explosion [Analytical Sciences, 29, 10 (2013) 941-947]

Analytical Sciences
2013 | Journal article
DOI: 10.2116/analsci.29.1230
EID:

2-s2.0-84891642892
Contributors: Ohta, T.; Mahara, Y.; Kubota, T.; Igarashi, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier
grade
Preferred source (of 2)‎

Estimation of Groundwater Residence Time and Evaluation of Geomorphological Processes Using Cosmogenic and Terrigenic Radionuclides and Isotopes of Noble Gases

Journal of MMIJ
2013 | Journal article
DOI: 10.2473/journalofmmij.129.261
Part of ISSN: 1881-6118
Part of ISSN: 1884-0450
Contributors: Yasunori MAHARA; Tomoko OHTA; Toshifumi IGARASHI
Source: Self-asserted source
Tomoko Ohta

Pore-water mobility: Distribution of δ<sup>37</sup>Cl, <sup>36</sup>Cl/Cl, <sup>129</sup>I/<sup>127</sup>I and dissolved <sup>4</sup>He concentration in the core drilled in the Mobara gas field, Japan

Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
2013 | Journal article
DOI: 10.1016/j.nimb.2012.05.042
EID:

2-s2.0-84870899975
Contributors: Mahara, Y.; Ohta, T.; Tokunaga, T.; Matsuzaki, H.; Nagao, K.; Nakata, E.; Miyamoto, Y.; Kubota, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Removal of radioactive cesium, strontium, and iodine from natural waters using bentonite, zeolite, and activated carbon

Journal of Radioanalytical and Nuclear Chemistry
2013 | Journal article
DOI: 10.1007/s10967-012-2068-4
EID:

2-s2.0-84892677506
Contributors: Kubota, T.; Fukutani, S.; Ohta, T.; Mahara, Y.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Separation and measurement of <sup>129</sup>I and <sup>127</sup>I in pre-nuclear-era marine algae with ultra-low <sup>129</sup>I/<sup>127</sup>I isotopic ratios

Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
2013 | Journal article
DOI: 10.1016/j.nimb.2012.07.008
EID:

2-s2.0-84870931069
Contributors: Ohta, T.; Mahara, Y.; Kubota, T.; Abe, T.; Matsueda, H.; Tokunaga, T.; Sekimoto, S.; Takamiya, K.; Fukutani, S.; Matsuzaki, H.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

<sup>228</sup>Ra/<sup>226</sup>Ra activity ratio in groundwater around Mount Fuji, Japan

EPJ Web of Conferences
2012 | Conference paper
DOI: 10.1051/epjconf/20122403003
EID:

2-s2.0-84883011099
Contributors: Ohta, T.; Mahara, Y.; Miyakawa, K.; Kubota, T.; Tagami, K.; Sato, J.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Comparison of stable isotopes, ratios of <sup>36</sup>Cl/Cl and <sup>129</sup>I/ <sup>127</sup>I in brine and deep groundwater from the Pacific coastal region and the eastern margin of the Japan Sea

Applied Geochemistry
2012 | Journal article
DOI: 10.1016/j.apgeochem.2012.08.014
EID:

2-s2.0-84868577973
Contributors: Mahara, Y.; Ohta, T.; Tokunaga, T.; Matsuzaki, H.; Nakata, E.; Miyamoto, Y.; Mizuochi, Y.; Tashiro, T.; Ono, M.; Igarashi, T. et al.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Estimation of Groundwater Residence Time and Evaluation of the Origin of Groundwater Using Dissolved Noble Gases and Natural Radionuclides with a Long Half-life as Geochemical Tracers

Journal of Geography (Chigaku Zasshi)
2012 | Journal article
DOI: 10.5026/jgeography.121.96
Part of ISSN: 0022-135X
Part of ISSN: 1884-0884
Contributors: Yasunori MAHARA; Tomoko OHTA
Source: Self-asserted source
Tomoko Ohta

New dating method: Groundwater residence time estimated from the <sup>4</sup>He accumulation rate calibrated by using cosmogenic and subsurface-produced <sup>36</sup>Cl

EPJ Web of Conferences
2012 | Conference paper
DOI: 10.1051/epjconf/20122403002
EID:

2-s2.0-84882976285
Contributors: Mahara, Y.; Ohta, T.; Kubota, T.; Miyakawa, K.; Hasegawa, T.; Habermehl, M.A.; Fifield, L.K.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Prediction of groundwater contamination with <sup>137</sup>Cs and <sup>131</sup>I from the Fukushima nuclear accident in the Kanto district

Journal of Environmental Radioactivity
2012 | Journal article
DOI: 10.1016/j.jenvrad.2011.11.017
EID:

2-s2.0-84861203850
Contributors: Ohta, T.; Mahara, Y.; Kubota, T.; Fukutani, S.; Fujiwara, K.; Takamiya, K.; Yoshinaga, H.; Mizuochi, H.; Igarashi, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Stable carbon isotope behaviour of natural seepage of deep underground <sup>13</sup>C-rich methane detected along a fault zone and adsorbed in mudstone: Tokyo Bay area, Japan

Applied Geochemistry
2012 | Journal article
DOI: 10.1016/j.apgeochem.2012.02.007
EID:

2-s2.0-84865341412
Contributors: Nakata, E.; Tanaka, S.; Suenaga, H.; Mahara, Y.; Nakamura, T.; Nakagawa, K.; Ohta, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Application of <sup>85</sup> Kr dating to groundwater in volcanic aquifer of Kumamoto Area, Japan

Journal of Radioanalytical and Nuclear Chemistry
2011 | Journal article
DOI: 10.1007/s10967-010-0821-0
EID:

2-s2.0-79952280093
Contributors: Momoshima, N.; Inoue, F.; Ohta, T.; Mahara, Y.; Shimada, J.; Ikawa, R.; Kagabu, M.; Ono, M.; Yamaguchi, K.; Sugihara, S. et al.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Comparison of deep underground neutron flux measured with a helium-3 filled proportional counter and evaluated from element composition or isotopic ratio of <sup>36</sup>Cl/Cl in granite rock

Proceedings in Radiochemistry
2011-09-01 | Journal article
DOI: 10.1524/rcpr.2011.0040
Part of ISSN: 2193-2875
Contributors: T. Kubota; T. Ohta; Y. Mahara; A. Kudo
Source: Self-asserted source
Tomoko Ohta

Concentrations and activity ratios of <sup>228</sup>Ra and <sup>226</sup>Ra in surface seawater along the Pacific coast of Japan

Proceedings in Radiochemistry
2011-09-01 | Journal article
DOI: 10.1524/rcpr.2011.0033
Part of ISSN: 2193-2875
Contributors: T. Ohta; Y. Mahara; T. Kubota; J. Sato; T. Gamo
Source: Self-asserted source
Tomoko Ohta

Radionuclides in ancient relics obtained from the matsusaki site and the hirohata shellmound on the Pacific coast of Japan

Radiocarbon
2010 | Journal article
DOI: 10.1017/S0033822200045562
EID:

2-s2.0-78049265366
Contributors: Ohta, T.; Mahara, Y.; Kubota, T.; Saito, Y.; Fukutani, S.; Fujii, T.; Ando, A.; Nakata, E.; Nakano, T.; Abe, Y. et al.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Vertical distribution of <sup>10</sup>Be, <sup>26</sup>Al, and <sup>36</sup>Cl in the surface soil layer of weathered granite at Abukuma, Japan

Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
2010 | Journal article
DOI: 10.1016/j.nimb.2009.10.132
EID:

2-s2.0-77949896185
Contributors: Mahara, Y.; Hohjo, K.; Kubota, T.; Ohta, T.; Mizuochi, Y.; Tashiro, T.; Sekimoto, S.; Takamiya, K.; Shibata, S.; Tanaka, K.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Measurement of C-14 in quartz samples from northern Abukuma region, Japan

the 22nd volume of Summaries of Researches Using AMS at Nagoya University
2010-03 | Journal article
DOI: 10.18999/sumrua.21.46
Contributors: Takumi KUBOTA; Yasunori MAHARA; Tomoko OHTA; Toshio NAKAMURA
Source: Self-asserted source
Tomoko Ohta

Blake Nose stable isotopic evidence against the mid-Cenomanian glaciation hypothesis

Geology
2009 | Journal article
DOI: 10.1130/G25580A.1
EID:

2-s2.0-67349215165
Contributors: Ando, A.; Huber, B.T.; MacLeod, K.G.; Ohta, T.; Khim, B.-K.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Erratum: Blake nose stable isotopic evidence against the mid-Cenomanian glaciation hypothesis

Geology
2009 | Journal article
DOI: 10.1130/0091-7613-37.10.882
EID:

2-s2.0-70350355131
Contributors: Ando, A.; Huber, B.T.; MacLeod, K.G.; Ohta, T.; Khim, B.-K.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Groundwater dating by estimation of groundwater flow velocity and dissolved <sup>4</sup>He accumulation rate calibrated by <sup>36</sup>Cl in the Great Artesian Basin, Australia

Earth and Planetary Science Letters
2009 | Journal article
DOI: 10.1016/j.epsl.2009.07.034
EID:

2-s2.0-70349446472
Contributors: Mahara, Y.; Habermehl, M.A.; Hasegawa, T.; Nakata, K.; Ransley, T.R.; Hatano, T.; Mizuochi, Y.; Kobayashi, H.; Ninomiya, A.; Senior, B.R. et al.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Isotopic investigations for the origin of relic from the Matsusaki site, Japan

Applied Radiation and Isotopes
2009 | Journal article
DOI: 10.1016/j.apradiso.2009.02.047
EID:

2-s2.0-67349254118
Contributors: Nakano-Ohta, T.; Kubota, T.; Ando, A.; Fujii, T.; Fukutani, S.; Nakata, E.; Nakano, T.; Mahara, Y.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Separation of dissolved Kr from a water sample by means of a hollow fiber membrane

Journal of Hydrology
2009 | Journal article
DOI: 10.1016/j.jhydrol.2009.07.022
EID:

2-s2.0-69849088229
Contributors: Ohta, T.; Mahara, Y.; Momoshima, N.; Inoue, F.; Shimada, J.; Ikawa, R.; Taniguchi, M.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

Correlation between dissolved <sup>4</sup>He concentration and <sup>36</sup>Cl in groundwater at Äspö, Sweden

Applied Geochemistry
2008 | Journal article
DOI: 10.1016/j.apgeochem.2008.04.026
EID:

2-s2.0-56349121961
Contributors: Mahara, Y.; Hasegawa, T.; Miyakawa, K.; Ohta, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier

The extraction of carbon-14 from quartzs samples

Summaries of researches using AMS at Nagoya university XIX
2008-03 | Journal article
DOI: 10.18999/sumrua.19.154
Contributors: Takumi KUBOTA; Yasunori MAHARA; Tomoko NAKANO-OHTA; Toshio NAKAMURA
Source: Self-asserted source
Tomoko Ohta

Concentrations of 226Ra and 228Ra in Hot Spring Waters from Tokyo Metropolis and Its Vicinity, Japan

Journal of Nuclear and Radiochemical Sciences
2007 | Journal article
DOI: 10.14494/jnrs2000.8.143
Part of ISSN: 1345-4749
Contributors: T. Nakano-Ohta; T. Kubota; J. Sato; Y. Mahara
Source: Self-asserted source
Tomoko Ohta

Effects of molecular weight of natural organic matter on cadmium mobility in soil environments and its carbon isotope characteristics

Science of the Total Environment
2007 | Journal article
DOI: 10.1016/j.scitotenv.2007.08.002
EID:

2-s2.0-36649018730
Contributors: Mahara, Y.; Kubota, T.; Wakayama, R.; Nakano-Ohta, T.; Nakamura, T.
Source: Self-asserted source
Tomoko Ohta via Scopus - Elsevier
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