論文 - 大森 康孝
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Fukushima's Tap and Groundwater a Decade after the Nuclear Accident with Radiocesium, Tritium, and Radon.
Anderson D, Oda Y, Taira Y, Omori Y, Tazoe H, Akata N, Kranrod C, Yamada R, Kuwata H, Tamakuma Y, Kudo H, Osanai M, Nishimura N, Yasuoka Y, Sanada T, Hosoda M, Tokonami S
Environmental science & technology 59 ( 10 ) 4906 - 4914 2025年03月
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Natural gamma dose rate and radioactivity concentrations at a former tin mining area in Kanchanaburi, Thailand
Saowarak Musikawan, Worawat Poltabtim, Khemruthai Kheamsiri, Chutima Kranrod, Theerawat Pluemjit, Kitkawin Aramrun, Yasutaka Omori, Hirofumi Tazoe, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
Journal of Radioanalytical and Nuclear Chemistry 2025年03月
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Systematic Review and Meta-Analysis of Inflammatory Biomarkers in Individuals Exposed to Radon
Anel Lesbek, Yasutaka Omori, Meirat Bakhtin, Polat Kazymbe, Shinji Tokonami, Nursulu Altaeva, Danara Ibrayeva, Yerlan Kashkinbayev
Biomedicines 13 ( 2 ) 499 - 499 2025年02月
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Revisiting the influence of the equilibrium factor and the contribution of Rn, Tn and their progeny in dose assessment
Gondji Dieu Souffit, Koyang François, Oumar Bobbo Modibo, Eka Djatnika Nugraha, Ndjana Nkoulou II Joseph Emmanuel, Jalaluddin Shah, Rosaline Mishra, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Balvinder K Sapra, Saïdou, Shinji Tokonami
Air Quality, Atmosphere & Health 2025年02月
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緊急時モニタリング検討委員会の活動報告の概要
細田 正洋, 大森 康孝, 折田 真紀子, 斎藤 公明, 真田 哲也, 武田 晃, 谷 幸太郎, 辻口 貴清, 平尾 茂一, 外間 智規, 三上 智, 山田 崇裕
保健物理 59 ( 4 ) 206 - 207 2024年12月
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Public exposure from inhalation of radon and thoron around the tin mine and smelter areas in Bangka, Indonesia
Radhia Pradana, Eka Djatnika Nugraha, Yasutaka Omori, Sharah Nataz Shilfa, Ilma Dwi Winarni, Wahyudi Wahyudi, Untara Untara, Irwan Kurnia, Rini Safitri, Chutima Kranrod, Michiya Sasaki, Ade Devriany, Agus Nur Rachman, Rusbani Kurniawan, Haeranah Ahmad, Muflihatul Muniroh, Fahrul Islam, Ilsa Rosianna, Nurokhim Nurokhim, Makhsun Makhsun, Susilo Widodo, Heru Prasetio, Masahiro Hosoda, Shinji Tokonami
Scientific Reports 14 ( 1 ) 30731 - 30731 2024年12月
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Structure shielding of school and gymnasium buildings against fallout gamma radiation from the Fukushima Daiichi Nuclear Power Plant accident
Manaya Taoka, Rui Kudo, Ryohei Yamada, Yasutaka Omori, Kazutaka Tanaka, Masahiro Hosoda, Shinji Tokonami
Ecotoxicology and Environmental Safety 288 117394 - 117394 2024年12月
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Ecological and health risks from trace elements contamination in soils at the rutile bearing area of Akonolinga, Cameroon
Fayette Kitcha Sime, Dieu Souffit Gondji, Ilsa Rosianna, Eka Djatnika Nugraha, Oumar Bobbo Modibo, Chutima Kranrod, Yasutaka Omori, Naofumi Akata, Masahiro Hosoda, Saïdou, Shinji Tokonami
Applied Sciences 14 ( 22 ) 10538 - 10538 2024年11月
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Practical cut-off value for radon concentration in indoor air using an activated-charcoal radon collector
Yumi Yasuoka, June Takemoto, Yasutaka Omori, Nanaho Kawamoto, Nao Goda, Hiroyuki Nagahama, Jun Muto, Shinji Tokonami, Masahiro Hosoda, Takeshi Iimoto, Takahiro Mukai
Radiation Protection Dosimetry 200 ( 16-18 ) 1701 - 1705 2024年11月
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Radiation dose estimation for indoor radon, thoron and their progenies using a stochastic method—a small-scale survey in Wuhan, China
Jun Hu, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Shinji Tokonami
Radiation Protection Dosimetry 200 ( 16-18 ) 1720 - 1725 2024年11月
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Effect of sampling face velocity on the ultrafine particle surface collection efficiency of a cellulose membrane filter and a cellulose-glass fiber filter for environmental airborne radioactivity monitoring
Mizuki Kiso, Manaya Taoka, Aoi Sampei, Hiroki Hashimoto, Yuki Abe, Yuki Oda, Yasutaka Omori, Ryohei Yamada, Masahiro Hosoda, Chutima Kranrod, Tetsuo Ishikawa, Shinji Tokonami
Radiation Protection Dosimetry 200 ( 16-18 ) 1671 - 1675 2024年11月
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Evaluation of an ionization chamber characteristics for 222Rn calibration
Rio Furukawa, Miroslaw Janik, Satoshi Kodaira, Hiroki Hashimoto, Yasutaka Omori, Shinji Tokonami, Masahiro Hosoda, Morihito Shimizu, Seiya Manabe, Tetsuro Matsumoto, Chihiro Shimodan, Yasushi Sato, Hideki Harano
Radiation Protection Dosimetry 200 ( 16-18 ) 1696 - 1700 2024年11月
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Influence of meteorological parameters on indoor radon concentration levels in the Aksu school
Yerlan Kashkinbayev, Meirat Bakhtin, Polat Kazymbe, Anel Lesbek, Baglan Kazhiyakhmetova, Masaharu Hoshi, Nursulu Altaeva, Yasutaka Omori, Shinji Tokonami, Hitoshi Sato, Danara Ibrayeva
Atmosphere 15 ( 9 ) 1067 - 1067 2024年09月
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Radon in Soil Gas and Ambient Dose Equivalent Rate Measurements in Yaounde, Cameroon
Eric Gourda Hebsia, Oumar Bobbo Modibo, Ayoba Ndimantchi, Joseph Emmanuel, Ndjana Nkoulou, Eka Djatnika Nugraha, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Saidou, Shinji Tokonami
Radiation Environment and Medicine 13 ( 2 ) 52 - 59 2024年08月
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Contribution of Thoron and Its Progeny to the Effective Dose by Inhalation in the Uranium-Thorium Bearing Regions of Mayo Kebbi and Guéra in Chad
Ziebno Patale, Bineng Guillaume Samuel, Chutima Kranrod, Oumar Bobbo Modibo, Takoukam Soh, Serge Didier, Hamadou Yerima Abba, Yasutaka Omori, Masahiro Hosoda, Saïdou, Ekobena Henri Paul, Shinji Tokonami
Health Physics 127 ( 5 ) 588 - 599 2024年06月
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Simultaneous measurements of radon, thoron and thoron progeny and induced cancer risk assessment in Djeno, Pointe-Noire, Republic of Congo.
Sondzo JS, Dallou GB, Meye PO, Diahou RRCM, Biona CB, Kranrod C, Omori Y, Hosoda M, Saïdou, Tokonami S
Radiation Protection Dosimetry 200 ( 5 ) 437 - 447 2024年01月
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Uranium Isotope Characterization in Volcanic Deposits in a High Natural Background Radiation Area, Mamuju, Indonesia
Ilsa Rosianna, Eka Djatnika Nugraha, Hirofumi Tazoe, Heri Syaeful, Adi Gunawan Muhammad, I Gde Sukadana, Frederikus Dian Indrastomo, Ngadenin, Fadiah Pratiwi, Agus Sumaryanto, Sucipta Sucipta, Hendra A. Pratama, Deni Mustika, Leli Nirwani, Nurokhim, Yasutaka Omori, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami
Geosciences 13 388 2023年12月
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Assessment of radiological risks due to indoor radon, thoron and progeny, and soil gas radon in thorium-bearing areas of the centre and south regions of Cameroon
Atangana Bingana Martin Serge, Takoukam Soh Serge Didier, Bineng Guillaume Samuel, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Saïdou, Shinji Tokonami
Atmosphere 14 ( 12 ) 1708 - 1708 2023年11月
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Improvement of spectral analysis using a NaI(Tl) scintillation spectrometer to evaluate ambient gamma dose rates from primordial radionuclides
Yasutaka Omori, Atsuyuki Sorimachi, Masahiro Hosoda, Sarata Kumar Sahoo, Norbert Kavasi, Osamu Kurihara, Shinji Tokonami, Tetsuo Ishikawa
Radiation Protection Dosimetry 199 ( 18 ) 2233 - 2237 2023年11月
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Calibration experiments for radon in drinking water measurements using portable-type electrostatic-collection radon monitors
Masahiro Hosoda, Yasutaka Omori, Hiroki Hashimoto, Maho Matsumoto, Yumi Yasuoka, Tetsuya Sanada, Yuki Oda, Mizuki Kiso, Aoi Sampei, Chutima Kranrod, Hirofumi Tazoe, Naofumi Akata, Yasuyuki Taira, Yuki Tamakuma, Ryohei Yamada, Hiromi Kudo, Mayumi Shimizu, Shinji Tokonami
Radiation Protection Dosimetry 199 ( 18 ) 2203 - 2206 2023年11月
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Doses from inhalation of radon and thoron for residents in tectonically active region in central Indian Himalaya
G. Prasad, S. Kimothi, S. Chandra, Y. Omori, S. K. Sahoo, T. Ishikawa, S. Tokonami, R. C. Ramola
Journal of Radioanalytical and Nuclear Chemistry 333 ( 6 ) 2999 - 3005 2023年09月
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Development and a feasibility study using Gafchromic XRQA2 film as a novel passive radon measurement technique
Worawat Poltabtim, Chutima Kranrod, Yasutaka Omori, Saowarak Musikawan, Masahiro Hosoda, Shinji Tokonami
Radiation Measurements 168 107012 - 107012 2023年09月
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Car-borne survey and dose assessment from external radiation exposure in Bangka Island
Radhia Pradana, Eka Djatnika Nugraha, Wahyudi Wahyudi, Untara Untara, Muji Wiyono, Ade Devriany, Sharah Nataz Shilfa, Michiya Sasaki, Heru Prasetio, Ilma Dwi Winarni, Egnes Ekaranti, Nunung Nuraeni, Chutima Kranrod, Dadong Iskandar, Gatot Suhariyono, Harry Nugroho Eko Surniyantoro, Makhsun Makhsun, Susilo Widodo, Yasutaka Omori, Eri Hiswara, Masahiro Hosoda, Shinji Yoshinaga, Shinji Tokonami
Environmental Science and Pollution Research 30 ( 38 ) 89280 - 89292 2023年07月
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Residential radon exposure in Astana and Aqsu, Kazakhstan
Shinji Tokonami, Chutima Kranrod, Polat Kazymbe, Yasutaka Omori, Meirat Bakhtin, Worawat Poltabtim, Saowarak Musikawan, Radhia Pradana, Yerlan Kashkinbayev, Kassym Zhumadilov, Ainur Pirmanova, Moldir Aumalikova, Zhantore Isa, Aya Sakaguchi, Hitoshi Sato, Masaharu Hoshi
Journal of Radiological Protection 43 ( 2 ) 023501 - 023501 2023年06月
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Estimation of Ambient Dose Equivalent Rate Distribution Map Using Walking Survey Technique in Hirosaki City, Aomori, Japan.
Poltabtim W, Musikawan S, Thumwong A, Omori Y, Kranrod C, Hosoda M, Saenboonruang K, Tokonami S
International Journal of Environmental Research and Public Health 20 ( 3 ) 2657 - 2657 2023年02月
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ACTIVITY RATIO OF URANIUM IN FUKUSHIMA SOIL SAMPLES USING MULTI-COLLECTOR INDUCTIVELY COUPLED PLASMA MASS SPECTROMETRY.
Murugan R, Sahoo SK, Sorimachi A, Omori Y, Aono T
Radiation Protection Dosimetry 198 ( 13-15 ) 934 - 937 2022年09月
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INFLUENCE OF SAMPLING FLOW RATE ON THORON EXHALATION RATE MEASUREMENTS BY THE CIRCULATION METHOD.
Hosoda M, Yamada R, Kobyashi H, Tamakuma Y, Nugraha ED, Hashimoto H, Negami R, Kranrod C, Omori Y, Tazoe H, Akata N, Tokonami S
Radiation Protection Dosimetry 198 ( 13-15 ) 904 - 908 2022年09月
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Thoron equilibrium factor observed around Chhatrapur placer deposit, a high background radiation area in Odisha, India
Yasutaka Omori, Ganesh Prasad, Devulapalli Vidya Sagar, Sarata Kumar Sahoo, Atsuyuki Sorimachi, Miroslaw Janik, Tetsuo Ishikawa, Rakesh Chand Ramola, Shinji Tokonami
Radiation Environment and Medicine 11 ( 2 ) 50 - 55 2022年08月
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Walking survey technique for ambient gamma dose rate measurement established in Fukushima Medical University
Yasutaka Omori, Ryo Sasaki, Yuto Otsuki, Atsuyuki Sorimachi, Tetsuo Ishikawa
Journal of Nuclear Science and Technology 59 ( 8 ) 1061 - 1070 2022年08月
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High Indoor Radon Concentration Observed in Yomitan-son,Okinawa Prefecture, Southwestern Part of Japan
Furukawa Masahide, Omori Yasutaka, Masuda Nagi, Tamakuma Yuki, Suzuki Takahito, Obata Mika, Shingaki Reina, Nakasone Syunya, Ishimine Akinobu, Nakamura Kaori, Shiroma Yoshitaka, Hosoda Masahiro, Akata Naofumi, Tokonami Shinji
Radiation Environment and Medicine 11 ( 1 ) 16 - 20 2022年02月
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Car-borne survey for a black shale area and influence of snowfall on absorbed dose rate in air of a coastal area
Tamakuma Yuki, Hosoda Masahiro, Omori Yasutaka, Nagahama Hiroyuki, Ishikawa Tetsuo, Shimo Michikuni, Tokonami Shinji
Radiation Environment and Medicine 10 ( 2 ) 96 - 101 2021年08月
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Comparison experiments for radon and thoron measuring instruments at low-level concentrations in one room of a Japanese concrete building.
Sorimachi A, Nagamatsu Y, Omori Y, Ishikawa T
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine 173 109696 - 109696 2021年07月
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Sorption-desorption coefficients of uranium in contaminated soils collected around Fukushima Daiichi Nuclear Power Station
S. Kasar, S. Mishra, S. K. Sahoo, N. Kavasi, Y. Omori, H. Arae, A. Sorimachi, T. Aono
Journal of Environmental Radioactivity 233 106617 - 106617 2021年07月
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Measurement of uranium isotope ratios in Fukushima-accident contaminated soil samples using multi collector inductively coupled plasma mass spectrometry
R. Murugan, N. Kavasi, S. K. Sahoo, Y. Omori, A. Sorimachi, H. Takahashi, T. Aono
Journal of Environmental Radioactivity 232 106568 - 106568 2021年06月
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Radon degassing triggered by tidal loading before an earthquake
Omori Yasutaka, Nagahama Hiroyuki, Yasuoka Yumi, Muto Jun
Scientific Reports 11 ( 1 ) 4092 - 4092 2021年02月
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Japanese population dose from natural radiation
Omori Yasutaka, Hosoda Masahiro, Takahashi Fumiaki, Sanada Tetsuya, Hirao Shigekazu, Ono Koji, Furukawa Masahide
Journal of Radiological Protection 40 ( 3 ) R99 - R140 2020年08月
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Impact of wind speed on response of diffusion-type radon-thoron detectors to thoron
Omori Yasutaka, Tamakuma Yuki, Nugraha Eka Djatnika, Suzuki Takahito, Saputra Miki Arian, Hosoda Masahiro, Tokonami Shinji
International Journal of Environmental Research and Public Health 17 ( 9 ) 3178 - 3178 2020年05月
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Variable strength in thoron interference for a diffusion-type radon monitor depending on ventilation of the outer air
Omori Yasutaka, Shimo Michikuni, Janik Misroslaw, Ishikawa Tetsuo, Yonehara Hidenori
International Journal of Environmental Research and Public Health 17 ( 3 ) 974 - 974 2020年02月
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Sorption and desorption studies of Cs and Sr in contaminated soil samples around Fukushima Daiichi Nuclear Power Plant
Kasar Sharayu, Mishra Suchismita, Omori Yasutaka, Sahoo Sarata Kumar, Kavasi Norbert, Arae Hideki, Sorimachi Atsuyuki, Aono Tatsuo
Journal of Soils and Sediments 20 ( 1 ) 392 - 403 2020年01月
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Gamma dose rate distribution in the Unegt subbasin, a uranium deposit area in Dornogobi Province, southeastern Mongolia
Omori Yasutaka, Sorimachi Atsuyuki, Gun-Aajav Manlaijav, Enkhgerel Nyamdavaa, Munkherdene Ganbat, Oyunbolor Galnemekh, Shajbalidir Amarbileg, Palam Enkhtuya, Yamada Chieri
Environmental Science and Pollution Research 26 ( 32 ) 33494 - 33506 2019年11月
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Characteristics of indoor radon and thoron concentrations in cave dwellings in Gansu Province, China
Sorimachi Atsuyuki, Tokonami Shinji, Omori Yasutaka, Janik Miroslaw, Iwaoka Kazuki, Ishikawa Tetsuo, Sun Quan-Fu
Radiation Protection Dosimetry 184 ( 3-4 ) 457 - 462 2019年10月
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Reduction in ambient gamma dose rate from radiocesium due to snow cover
Omori Yasutaka, Inoue Seita, Otsuka Tetsuya, Nagamatsu Yuichi, Sorimachi Atsuyuki, Ishikawa Tetsuo
Radiation Protection Dosimetry 184 ( 3-4 ) 510 - 513 2019年10月
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Distributions of indoor gamma dose rates in relation to gamma-ray emissions from building materials: case study of high-rise concrete building in Fukushima
Omori Yasutaka, Ishikawa Takuma, Sorimachi Atsuyuki, Ishikawa Tetsuo
Radiation Protection Dosimetry 184 ( 1 ) 116 - 126 2019年07月
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Elevation of gamma dose rate by construction of the Asian Highway 3 (AH3) between Ulaanbaatar and Sainshand, Mongolia
Omori Yasutaka, Sorimachi Atsuyuki, Gun-Aajav Manlaijav, Enkhgerel Nyamdavaa, Oyunbolor Galnemekh, Palam Enkhtuya, Yamada Chieri
Radiation Protection Dosimetry 184 ( 1 ) 127 - 134 2019年07月
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Measurement of gamma radiation at junior high school sites in Fukushima City
Omori Yasutaka, Sorimachi Atsuyuki, Ishikawa Tetsuo
Radiation Environment and Medicine 7 ( 1 ) 21 - 27 2018年02月
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Accurate measurement of indoor radon concentration using a low-volume radon monitor
Tanaka Aya, Minami Nodoka, Yasuoka Yumi, Iimoto Takeshi, Omori Yasutaka, Nagahama Hiroyuki, Muto Jun, Mukai Takahiro
Radiation Protection Dosimetry 177 ( 3 ) 324 - 330 2017年12月
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Indoor radon, thoron and their progeny concentrations in high thoron rural Serbia environments
Zunic Z.S, Stojanovska Z, Veselinovic N, Mishra R, Yarmoshenko I.V, Sapra B.K, Ishikawa T, Omori Y, Curguz Z, Bossew P, Udovicic V, Ramola R.C
Radiation Protection Dosimetry 177 ( 1-2 ) 36 - 39 2017年11月
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Anomalous changes in atmospheric radon concentration before and after the 2011 northern Wakayama Earthquake (Mj 5.5)
Goto M, Yasuoka Y, Nagahama H, Muto J, Omori Y, Ihara H, Mukai T
Radiation Protection Dosimetry 174 ( 3 ) 412 - 418 2017年04月
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Radiation dose due to radon and thoron progeny inhalation in high-level natural radiation areas of Kerala, India
Omori Y, Tokonami S, Sahoo S.K, Ishikawa T, Sorimachi A, Hosoda M, Kudo H, Pornnumpa C, Nair R.R.K, Jayalekshmi P.A, Sebastian P, Akiba S
Journal of Radiological Protection 37 ( 1 ) 111 - 126 2017年03月
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Long-term measurements of residential radon, thoron, and thoron progeny concentrations around the Chhatrapur placer deposit, a high background radiation area in Odisha, India
Omori Y, Prasad G, Sorimachi A, Sahoo S.K, Ishikawa T, Vidya Sagar D, Ramola R.C, Tokonami S
Journal of Environmental Radioactivity 162-163 371 - 378 2016年10月
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Natural radioactivity level and elemental composition of soil samples from a high background radiation area on eastern coast of India (Odisha)
Sahoo S.K, Kierepko R, Sorimachi A, Omori Y, Ishikawa T, Tokonami S, Prasad G, Gusain G.S, Ramola R.C
Radiation Protection Dosimetry 171 ( 2 ) 172 - 178 2016年10月
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A comparison of dose from natural radionuclides and artificial radionuclides after the Fukushima nuclear accident
Hosoda M, Tokonami S, Omori Y, Ishikawa T, Iwaoka K
Journal of Radiation Research 57 ( 4 ) 422 - 430 2016年07月
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Radiation survey on Fukushima Medical University premises about four years after the Fukushima nuclear disaster
Omori Y, Wakamatsu H, Sorimachi A, Ishikawa T
Fukushima Journal of Medical Science 62 ( 1 ) 1 - 17 2016年06月
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Radon as an indicator of nocturnal atmospheric stability: a simplified theoretical approach
Omori Y, Nagahama H
Boundary-Layer Meteorology 158 ( 2 ) 351 - 359 2016年02月
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走行サーベイによる環境放射線レベルの評価:―青森県全域における調査概要―
細田 正洋, 井上 一雅, 岡 光昭, 大森 康孝, 岩岡 和輝, 床次 眞司
保健物理 51 ( 1 ) 27 - 40 2016年
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Environmental Radiation Monitoring and External Dose Estimation in Aomori Prefecture after the Fukushima Daiichi Nuclear Power Plant Accident
HOSODA Masahiro, INOUE Kazumasa, OKA Mitsuaki, OMORI Yasutaka, IWAOKA Kazuki, TOKONAMI Shinji
保健物理 51 ( 1 ) 41 - 50 2016年
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Comparative dosimetry for radon and thoron in high background radiation areas in China
Kudo H, Tokonami S, Omori Y, Ishikawa T, Iwaoka K, Sahoo S.K, Akata N, Hosoda M, Wanabongse P, Pornnumpa C, Sun Q, Li X, Akiba S
Radiation Protection Dosimetry 167 ( 1-3 ) 155 - 159 2015年11月
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Natural radioactivity and radon exhalation rates in man-made tiles used as building materials in Japan
Iwaoka K, Hosoda M, Suwankot N, Omori Y, Ishikawa T, Yonehara H, Tokonami S
Radiation Protection Dosimetry 167 ( 1-3 ) 135 - 138 2015年11月
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A pilot study for dose evaluation in high-level natural radiation areas of Yangjiang, China
Omori Y, Tokonami S, Ishikawa T, Sahoo S.K, Akata N, Sorimachi A, Hosoda M, Pornnumpa C, Wanabongse P, Kudo H, Hu Y.-J, Ao Y.-X, Li X.-L, Li K, Fu Y.-H, Sun Q.-F, Akiba S
Journal of Radioanalytical and Nuclear Chemistry 306 317 - 323 2015年10月
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Long-term measurements of radon, thoron and their airborne progeny in 25 schools in Republic of Srpska
Ćurguz Z, Stojanovska Z, Žunić Z.S, Kolarž P, Ishikawa T, Omori Y, Mishra R, Sapra B.K, Vaupotič J, Ujič P, Bossew P
Journal of Environmental Radioactivity 148 163 - 169 2015年10月
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Estimating Annual Individual Doses for Evacuees Returning Home to Areas Affected by the Fukushima Nuclear Accident
Yajima K, Kurihara O, Ohmachi Y, Takada M, Omori Y, Akahane K, Kim E, Torikoshi M, Yonehara H, Yoshida S, Sakai K, Akashi M
Health Physics 109 ( 2 ) 122 - 133 2015年08月
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Estimation of External Dose by Car-borne Survey in Kerala, India
Hosoda M, Tokonami S, Omori Y, Sahoo S.K, Akiba S, Sorimachi A, Ishikawa T, Nair R.R, Jayalekshmi P.A, Sebastian P, Iwaoka K, Akata N, Kudo H
PLoS ONE 10 ( 4 ) e0124433 2015年04月
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Annual variation in the atmospheric radon concentration in Japan
Kobayashi Y, Yasuoka Y, Omori Y, Nagahama H, Sanada T, Muto J, Suzuki T, Homma Y, Ihara H, Kubota K, Mukai T
Journal of Environmental Radioactivity 146 110 - 118 2015年04月
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Measuring radon in high humidity air using anhydrous calcium sulfate and an activated charcoal detector
Mori Y, Omori Y, Yoshimura H, Maeda A, Yamamoto M, Nishinaka T, Ishikawa T, Wakabayashi A, Yasuoka Y
Journal of Hot Spring Sciences 64 ( 4 ) 402 - 408 2015年03月
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Influence of humidity on radon and thoron exhalation rates from building materials
Janik M, Omori Y, Yonehara H
Applied Radiation and Isotopes 95 102 - 107 2015年01月
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Normal seasonal variations for atmospheric radon concentration: A sinusoidal model
Hayashi K, Yasuoka Y, Nagahama H, Muto J, Ishikawa T, Omori Y, Suzuki T, Homma Y, Mukai T
Journal of Environmental Radioactivity 139 149 - 153 2015年01月
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ラドン測定のトレーサビリティとラドン測定器の校正に関するドイツ連邦放射線防護庁 (BfS) 渡航記
反町 篤行, 大森 康孝, 床次 眞司
保健物理 50 ( 2 ) 103 - 110 2015年
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First step of indoor thoron mapping of Kosovo and Metohija
Gulan L, Zunić Z.S, Milić G, Ishikawa T, Omori Y, Vučković B, Nikezić D, Krstić D, Bossew P
Radiation Protection Dosimetry 162 ( 1-2 ) 157 - 162 2014年07月
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An evaluation of thoron (and radon) equilibrium factorclose towalls based on long-term measurements in dwellings
Mishra R, Zunic Z.S, Venoso G, Bochicchio F, Stojanovska Z, Carpentieri C, Prajith R, Sapra B.K, Mayya Y.S, Ishikawa T, Omori Y, Veselinovic N, Tollefsen T, Ujić P, Bossew P
Radiation Protection Dosimetry 160 ( 1-3 ) 164 - 168 2014年07月
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Invited Article: In situ comparison of passive radon-thoron discriminative monitors at subsurface workplaces in Hungary
Kavasi N, Vigh T, Nemeth C, Ishikawa T, Omori Y, Janik M, Yonehara H
Review of Scientific Instruments 85 ( 2 ) Article number: 022002 2014年02月
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Invited Article: Radon and thoron intercomparison experiments for integrated monitors at NIRS, Japan
Janik M, Ishikawa T, Omori Y, Kavasi N
Review of Scientific Instruments 85 ( 2 ) Article number: 022001 2014年02月
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Effect of a Desiccant on the Measurement of Radon Concentration in Air
多鹿 優佳里, YASUOKA Yumi, OMORI Yasutaka, SORIMACHI Atsuyuki, ISHIKAWA Tetsuo, MORI Yasunori, MUKAI Takahiro
保健物理 49 ( 4 ) 190 - 193 2014年
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Activity concentrations of environmental samples collected in Fukushima Prefecture immediately after the Fukushima nuclear accident.
Hosoda M, Tokonami S, Tazoe H, Sorimachi A, Monzen S, Osanai M, Akata N, Kakiuchi H, Omori Y, Ishikawa T, Sahoo SK, Kovács T, Yamada M, Nakata A, Yoshida M, Yoshino H, Mariya Y, Kashiwakura I
Scientific reports 3 2283 2013年
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Measuring radon and thoron levels in Sri Lanka
Deepal Subasinghe Nalaka, Mahakumara Prasad, Thusitha B. Nimalsiri, Nuwan B. Suriyaarchchi, Takeshi Iimoto, Tetsuo Ishikawa, Yasutaka Omori, C. B. Dissanayake
Advanced Materials Research 718-720 721 - 724 2013年
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Distribution of terrestrial gamma radiation dose rate in the eastern coastal area of Odisha, India
G. S. Gusain, B. S. Rautela, S. K. Sahoo, T. Ishikawa, G. Prasad, Y. Omori, A. Sorimachi, S. Tokonami, R. C. Ramola
Radiation Protection Dosimetry 152 ( 1-3 ) 42 - 45 2012年11月
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Thoron experimental room at the national institute of radiological sciences (nirs), japan
N. Kavasi, M. Janik, G. Prasad, Y. Omori, T. Ishikawa, H. Yonehara
Radiation Protection Dosimetry 152 ( 1-3 ) 150 - 153 2012年11月
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Preliminary results from an indoor radon thoron survey in hungary
G. Szeiler, J. Somlai, T. Ishikawa, Y. Omori, R. Mishra, B. K. Sapra, Y. S. Mayya, S. Tokonami, A. Csordás, T. Kovács
Radiation Protection Dosimetry 152 ( 1-3 ) 243 - 246 2012年11月
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Levels of thoron and progeny in high background radiation area of southeastern coast of Odisha, India
R. C. Ramola, G. S. Gusain, B. S. Rautela, D. V. Sagar, G. Prasad, S. K. Shahoo, T. Ishikawa, Y. Omori, M. Janik, A. Sorimachi, S. Tokonami
Radiation Protection Dosimetry 152 ( 1-3 ) 62 - 65 2012年11月
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Field experience on indoor radon, thoron and their progenies with solid-state detectors in a survey of Kosovo and Metohija (Balkan region)
L. Gulan, G. Milic, P. Bossew, Y. Omori, T. Ishikawa, R. Mishra, Y. S. Mayya, Z. Stojanovska, D. Nikezic, B. Vuckovic, Z. S. Zunic
Radiation Protection Dosimetry 152 ( 1-3 ) 189 - 197 2012年11月
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Effects of air exchange property of passive-type radon-thoron discriminative detectors on performance of radon and thoron measurements
Y. Omori, M. Janik, A. Sorimachi, T. Ishikawa, S. Tokonami
Radiation Protection Dosimetry 152 ( 1-3 ) 140 - 145 2012年11月
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Performance test of passive radon-thoron discriminative detectors on environmental parameters
Atsuyuki Sorimachi, Shinji Tokonami, Yasutaka Omori, Tetsuo Ishikawa
Radiation Measurements 47 ( 6 ) 438 - 442 2012年06月
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Anomalous change in atmospheric radon concentration sourced from broad crustal deformation: A case study of the 1995 Kobe earthquake
Yumi Yasuoka, Yusuke Kawada, Yasutaka Omori, Hiroyuki Nagahama, Tetsuo Ishikawa, Shinji Tokonami, Masahiro Hosoda, Tetsuo Hashimoto, Masaki Shinogi
Applied Geochemistry 27 ( 4 ) 825 - 830 2012年04月
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Variation of atmospheric radon concentration with bimodal seasonality
Yasutaka Omori, Izumi Tohbo, Hiroyuki Nagahama, Yoichi Ishikawa, Masato Takahashi, Hiroaki Sato, Tsutomu Sekine
Radiation Measurements 44 ( 9-10 ) 1045 - 1050 2009年10月
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Preseismic alteration of atmospheric electrical conditions due to anomalous radon emanation
Yasutaka Omori, Hiroyuki Nagahama, Yusuke Kawada, Yumi Yasuoka, Tetsuo Ishikawa, Shinji Tokonami, Masaki Shinogi
Physics and Chemistry of the Earth 34 ( 6-7 ) 435 - 440 2009年
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Preseismic changes in atmospheric radon concentration and crustal strain
Yumi Yasuoka, Yusuke Kawada, Hiroyuki Nagahama, Yasutaka Omori, Tetsuo Ishikawa, Shinji Tokonami, Masaki Shinogi
Physics and Chemistry of the Earth 34 ( 6-7 ) 431 - 434 2009年
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地震とラドン濃度異常(II) : 兵庫県南部地震前に観測された大気中ラドン濃度異常
石川 徹夫, 安岡 由美, 長濱 裕幸, 川田 裕介, 大森 康孝, 床次 眞司, 志野木 正樹
保健物理 : hoken buturi 43 ( 3 ) 253 - 267 2008年09月
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地震とラドン濃度異常(I) : 従来の観測例
石川 徹夫, 安岡 由美, 長濱 裕幸, 川田 祐介, 大森 康孝, 床次 眞司, 志野木 正樹
保健物理 : hoken buturi 43 ( 2 ) 103 - 111 2008年06月
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Time-scale invariant changes in atmospheric radon concentration and crustal strain prior to a large earthquake
Y. Kawada, H. Nagahama, Y. Omori, Y. Yasuoka, T. Ishikawa, S. Tokonami, M. Shinogi
Nonlinear Processes in Geophysics 14 ( 2 ) 123 - 130 2007年
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Anomalous radon emanation linked to preseismic electromagnetic phenomena
Y. Omori, Y. Yasuoka, H. Nagahama, Y. Kawada, T. Ishikawa, S. Tokonami, M. Shinogi
Natural Hazards and Earth System Science 7 ( 5 ) 629 - 635 2007年