研究者詳細 - 大森　康孝

論文 - 大森　康孝

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Comprehensive exposure assessment of residents in a former tin mining area in Kanchanaburi, Thailand

Saowarak Musikawan, Chutima Kranrod, Masahiro Hosoda, Yasutaka Omori, Theerawat Pluemji, Kitkawin Aramrun, Thawatchai Itthipoonthanakorn, Rawiwan Kritsananuwa, Worawat Poltabtim, Khemruthai Kheamsiri, Phachirarat Sola, Hiromi Kudo, Shinji Tokonami

Scientific Reports 2026年07月

Radiation research at Hirosaki University after the Fukushima accident: contributions to public health, education, and community resilience

Masahiro Hosoda, Donovan Anderson, Ryohei Yamada, Yohei Fujishima, Kazutaka Tanaka, Hiromi Kudo, Yasutaka Omori, Chutima Kuranrod, Hirofumi Tazoe, Naofumi Akata, Chieko Itaki, Tomisato Miura, Ikuo Kashiwakura, Shinji Tokonami

Radiation Medicine and Protection 7 ( 3 ) 124 - 136 2026年06月

Quarterly and seasonal correction factors for indoor radon and thoron in four different climatological areas of Cameroon

Eric Gourda Hebsia, Oumar Bobbo Modibo, Joseph Emmanuel, Ndjana Nkoulou, Eka Djatnika Nugraha, Makhsun, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Saïdou, Shinji Tokonami

Journal of Environmental Radioactivity 297 108038 - 108038 2026年06月

An exploratory study on 222Rn measurement method using a length-compensated proportional counter

Rio Furukawa, Hideki Harano, Yasutaka Omori, Yuna Sakai, Yasushi Sato, Seiya Manabe, Tetsuro Matsumoto, Morihito Shimizu, Akira Yunoki, Shinji Tokonami

Nuclear Engineering and Technology 58 ( 10 ) 104454 - 104454 2026年06月

Identification of novel protein biomarkers for early detection of radon-induced lung cancer: a comparative study in Kazakhstan

Baglan Kazhiyakhmetova, Nursulu Altaeva, Meirat Bakhtin, Pavel Tarlykov, Yasutaka Omori, Shinji Tokonami, Chutima Kranrod, Radhia Pradana, Saowarak Musikawan, Anel Lesbek, Danara Ibrayeva, Elena Saifulina, Dana Auganova, Moldir Aumalikova, Madina Kairullova, Aigerim Shokabayeva, Dinara Bizhanova, Yerlan Kashkinbayev

Biomedicines 14 ( 6 ) 1204 - 1204 2026年05月

External radiation exposure via car-borne survey among returnees in former restricted regions in Fukushima a decade after the nuclear accident

Yasutaka Omori, Yuki Oda, Masahiro Hosoda, Yasuyuki Taira, Mayumi Shimizu, Ryohei Yamada, Hirofumi Tazoe, Masaru Yamaguchi, Minoru Osanai, Naofumi Akata, Shinji Tokonami

Scientific Reports 2026年05月

Environmental radon exposure and inflammatory responses in children and adolescents: evidence from a high-radon region in Kazakhstan

Anel Lesbek, Yasutaka Omori, Meirat Bakhtin, Tomisato Miura, Shinji Tokonami, Polat Kazymbet, Danara Ibrayeva, Nursulu Altaeva, Baglan Kazhiyakhmetova, Elena Saifulina, Aigerim Shokabayeva, Elvira Mussayeva, Yelshenbek Mulka, Yerlan Kashkinbayev

Biomedicines 14 ( 5 ) 1045 - 1045 2026年05月

Annual effective dose from radionuclides in groundwater of a major in situ leaching uranium mining region: evidence from the Chu-Sarysu Province, Kazakhstan

Meirat Bakhtin, Elvira Mussayeva, Yerlan Kashkinbayev, Riza Medetkhan, Polat Kazymbet, Moldir Aumalikova, Danara Ibrayeva, Yasutaka Omori, Masahiro Hosoda, Nursulu Altaeva, Aigerim Tazhedinova, Aliya Kurbanova

Water 18 ( 9 ) 993 - 993 2026年04月

Enhancing radiation risk communication: a literature review of strategies, effectiveness, and challenges in public understanding

Muhamad Aminudin, Eka Djatnika Nugraha, Hiromi Kudo, Chutima Kranrod, Minoru Osanai, Yasutaka Omori, Shinji Tokonami, Masahiro Hosoda

Journal of Radiological Protection 46 ( 2 ) 021001 - 021001 2026年04月

Monte Carlo simulation to optimize measurement geometry of continuous air monitor with Si semiconductor detector

Yuki Tamakuma, Hiroki Hashimoto, Manaya Taoka, Ryohei Yamada, Kazuki Iwaoka, Yasutaka Omori, Masahiro Hosoda, Shinji Tokonami

Radiation Physics and Chemistry 241 113507 - 113507 2026年04月

Groundwater radionuclide contamination in the Saumalkol settlement located near decommissioned uranium mining sites

Danara Ibrayeva, Madina Kairullova, Masahiro Hosoda, Yasutaka Omori, Yerlan Kashkinbayev, Kuralay Ilbekova, Assel Bagramova, Aigerim Shokabayeva, Meirat Bakhtin

Environments 13 ( 3 ) 161 - 161 2026年03月

Health risk assessment of uranium in drinking water of Tons Valley in Garhwal Himalaya, India

Ganesh Prasad, Krishna Pal Singh, Deepak Singh, Mukesh Prasad, Vivek Anand, Subhash Chandra, Yasutaka Omori, Masahiro Hosoda, G. Anil Kumar, Shinji Tokonami, R. C. Ramola

Journal of Radioanalytical and Nuclear Chemistry 335 963 - 973 2025年12月

Indoor and outdoor exposure to atmospheric radionuclides in areas affected by the Fukushima nuclear accident

Yuki Tamakuma, Donovan Anderson, Chutima Kranrod, Yasuyuki Taira, Yuki Oda, Yasutaka Omori, Hirofumi Tazoe, Tetsuya Sanada, Koya Ogura, Masahide Furukawa, Yoshitaka Shiroma, Hiromi Kudo, Mayumi Shimizu, Ryohei Yamada, Naofumi Akata, Masahiro Hosoda, Shinji Tokonami

Science of The Total Environment 1008 181027 - 181027 2025年12月

緊急時モニタリング検討委員会の活動報告移行期・長期モニタリング

三上智, 斎藤公明, 武田晃, 大森康孝, 外間智規, 折田真紀子, 真田哲也, 谷幸太郎, 辻口貴清, 平尾茂一, 細田正洋, 山田崇裕

保健物理 60 ( 4 ) 275 - 303 2025年12月

Seasonal variations in effective radiation dose in residential buildings of the Akmola region: assessing the impact of basement presence and proximity to uranium tailings

Anel Lesbek, Yasutaka Omori, Meirat Bakhtin, Danara Ibrayeva, Shinji Tokonami, Baglan Kazhiyakhmetova, Moldir Aumalikova, Elena Saifulina, Elvira Mussaeva, Nursulu Altaeva, Aisulu Nygymanova, Yerlan Kashkinbayev

Environments 12 ( 10 ) 357 - 357 2025年10月

Evaluating the response ratio of an ionization chamber filled with air to that with P-10 gas for 41Ar calibration

R. Furukawa, T. Yamada, H. Yashima, H. Harano, Y. Sato, T. Matsumoto, M. Shimizu, Y. Omori, Y. Soeta, R. Nagata, H. Murata, S. Otsuka, R. Ichikawa, S. Manabe, C. Shimodan, R. Smith, S. Tokonami

Applied Radiation and Isotopes 226 112211 - 112211 2025年09月

Occurrence, correlation and health implications of uranium and other potentially toxic elements (PTEs) in Himalayan springs

Deepak Singh, Ganesh Prasad, Sanjeev Kimothi, Subhash Chandra, Yasutaka Omori, Masahiro Hosoda, G. Anil Kumar, Shinji Tokonami, R.C. Ramola

Journal of Radioanalytical and Nuclear Chemistry 334 ( 10 ) 7497 - 7506 2025年07月

Indoor radon and thoron in dwellings and workplaces across three contiguous geological formations in Southwest Nigeria

O.O. Awe, I. C. Okeyode, A.O. Abayomi-Alli, A.O. Mustapha, Chutima Kranrod, Yasutaka Omori, Masahiro Hosoda, Shinji Tokonami

Radiation and Environmental Biophysics 64 ( 3 ) 487 - 504 2025年07月

緊急時モニタリング検討委員会の活動報告（1）

谷幸太郎, 真田哲也, 細田正洋, 山田崇裕, 大森康孝, 折田真紀子, 斎藤公明, 武田晃, 辻口貴清, 平尾茂一, 外間智規, 三上智

保健物理 60 ( 2 ) 124 - 155 2025年07月

Evaluation of stochastic method on track density analysis for passive radon measurement

Jun Hu, Chutima Kranrod, Radhia Pradana, Saowarak Musikawan, Yasutaka Omori, Masahiro Hosoda, Satoshi Kodaira, Shinji Tokonami

Applied Radiation and Isotopes 225 111998 - 111998 2025年06月

緊急時モニタリング検討委員会の活動報告国際機関の動向

谷幸太郎, 真田哲也, 細田正洋, 山田崇裕, 大森康孝, 折田真紀子, 斎藤公明, 武田晃, 辻口貴清, 平尾茂一, 外間智規, 三上智

保健物理 60 ( 2 ) 124 - 155 2025年06月

Verification of the effectiveness of risk communication materials using natural radiation levels as a reference standard: results from a survey of first-year health department students

Hiromi Kudo, Masahiro Hosoda, Yasutaka Omori, Kazutaka Tanaka, Minoru Osanai, Takashi Ohba, Isamu Amir, Masaharu Tsubokura, Shinji Tokonami

Safety 11 ( 2 ) 43 - 43 2025年05月

Evaluating soil temperature variations for enhanced radon monitoring in volcanic regions

Miroslaw Janik, Mashiro Hosoda, Shinji Tokonami, Yasutaka Omori, Naofumi Akata

Atmosphere 16 ( 4 ) 460 - 460 2025年04月

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

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 Pluemji, Kitkawin Aramrun, Yasutaka Omori, Hirofumi Tazoe, Masahiro Hosoda, Naofumi Akata, Shinji Tokonami

Journal of Radioanalytical and Nuclear Chemistry 334 2929 - 2935 2025年03月

Inhalation Dose Mitigation Using Commercially Available Facial Masks

Sakai Yuna, Kranrod Chutima, Tamakuma Yuki, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 52 2025年02月

Examination for the Calibration Method of Passive-type Radon Progeny Monitor in Some Experimental Conditions

Kikuchi Hayato, Hashimoto Hiroki, Kranrod Chutima, Sanada Tetsuya, Yamada Ryohei, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 50 2025年02月

Evaluation of Internal Exposure to Radon, Thoron, and Their Progeny for Residents at an Ex-tin Mining Area in Kanchanaburi Province, Thailand

Musikawan Saowarak, Kranrod Chutima, Pluemjit Theerawat, Aramrun Kitkawin, Pradana Radhia, Kudo Hiromi, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 72 2025年02月

Evaluation of a Radioiodine Sampler as a Radon Concentration Measuring Device

Kon Michika, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 54 2025年02月

Estimation and Comparison of Inhalation Doses at Fukushima and Thailand in Its Students’ Rooms

Tokairin Kota, Abe Nodoka, Endo Ryoma, Shinbo Keita, Pumreung Thanchanok, Suwannamajo Benyapa, Phothong Chutikarn, Worasan Niwat, Khonhan Pornphithak, Tokonami Shinji, Omori Yasutaka, Kikuchi Keiichiro, Ohashi Hironori

Radiation Environment and Medicine 14 ( 1 ) 56 2025年02月

Radon Concentration in the Water of the Ex-tin Mine Pond and Its Adjacent Groundwater

Pradana Radhia, Djatnika Nugraha Eka, Fajriansyah Evans A., Wahyudi, Omori Yasutaka, Kranrod Chutima, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 59 2025年02月

Methodology for Evaluating Surface Collection Efficiency of Filters Used for Ambient Radioactive Aerosols

Taoka Manaya, Yamada Ryohei, Tamakuma Yuki, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 51 2025年02月

Investigation of Methods for Determining the Radon Emanation Coefficient in Soil Samples

Kudo Rui, Kikuchi Hayato, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 14 ( 1 ) 49 2025年02月

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

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 18 1289 - 1304 2025年02月

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

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

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

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

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

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

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

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

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

The Project on Indoor Radon Measurement in Kazakhstan. What Do We Need to Clarify?

Omori Yasutaka, Bakhtin Meirat, Kudo Hiromi, Kranrod Chutima, Yoshinaga Shinji, Tokonami Shinji, Hoshi Masaharu

Radiation Environment and Medicine 13 ( 2 ) 76 2024年08月

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

The Effective Dose from Inhalation of Radon and Thoron in the Dwelling around the Tin Mine and Smelter Area in Bangka, Indonesia

Radhia Pradana, Eka D. Nugraga, Sharah N. Shilfa, Omori Yasutaka, Wahyudi Wahyudi, Untara Untara, Irwan Kurnia, Rini Safitri, Kranrod Chutima, Sasaki Michiya, Ade Devriany, Agus N. Rachman, Rusbani Kurniawan, Leli Nirwani, Nurokhim Nurokhim, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 13 ( 2 ) 83 2024年08月

Morphological Characteristics of Respiratory Tract on Inhalation Dose Assessments for Japanese Populations

Sampei Aoi, Kiso Mizuki, Hashimoto Hiroki, Sakai Yuna, Morita Takeshi, Osanai Minoru, Omori Yasutaka, Kakehata Shinya, Tsushima Fumiyasu, Hosoda Masahiro, Saito Yoko, Kakeda Shingo, Tokonami Shinji

Radiation Environment and Medicine 13 ( 2 ) 85 2024年08月

Water Quality Analysis for Comprehensive Evaluation of Combined Exposure from Heavy Metals and Radionuclides

Tazoe Hirofumi, Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 13 ( 2 ) 94 2024年08月

Dose Assessments Due to Inhalation of Radon and Thoron at 70 Dwellings in the Coastal Area of Fukushima

Hosoda Masahiro, Oda Yuki, Kranrod Chutima, Sampei Aoi, Kiso Mizuki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Akata Naofumi, Shimizu Mayumi, Kudo Hiromi, Yamada Ryohei, Tamakuma Yuki, Tokonami Shinji

Radiation Environment and Medicine 13 ( 2 ) 82 2024年08月

Comparison of Gamma-Ray Dose Rate Map Using Car-Borne Survey and Man-Borne Survey

Kiso Mizuki, Kuwata Haruka, Oda Yuki, Poltabtim Worawat, Musokawan Saowarak, Kranrod Chutima, Omori Yasutaka, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 13 ( 2 ) 95 2024年08月

Annual Effective Dose Due to External Exposure at Hamadori District in Fukushima Prefecture

Oda Yuki, Kiso Mizuki, Sampei Aoi, Hashimoto Hiroki, Taira Yasuyuki, Omori Yasutaka, Tazoe Hirofumi, Kranrod Chutima, Shimizu Mayumi, Kudo Hiromi, Akata Naofumi, Yamada Ryohei, Yamaguchi Masaru, Hosoda Masahiro, Tokonami Shinji

Radiation Environment and Medicine 13 ( 2 ) 81 2024年08月

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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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