Papers - AKATA Naofumi
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Activity concentrations of environmental samples collected in Fukushima Prefecture immediately after the Fukushima nuclear accident.
Masahiro Hosoda, Shinji Tokonami, Hirofumi Tazoe, Atsuyuki Sorimachi, Satoru Monzen, Minoru Osanai, Naofumi Akata, Hideki Kakiuchi, Yasutaka Omori, Tetsuo Ishikawa, Sarata K Sahoo, Tibor Kovács, Masatoshi Yamada, Akifumi Nakata, Mitsuaki Yoshida, Hironori Yoshino, Yasushi Mariya, Ikuo Kashiwakura
Scientific reports 3 2283 - 2283 2013
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Concentration of H-3 in plants around Fukushima Dai-ichi Nuclear Power Station
Hideki Kakiuchi, Naofumi Akata, Hidenao Hasegawa, Shinji Ueda, Shinji Tokonami, Masatoshi Yamada, Masahiro Hosoda, Atsuyuki Sorimachi, Hirofumi Tazoe, Kaori Noda, Shun'ichi Hisamatsu
SCIENTIFIC REPORTS 2 947 2012.12
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Combination of Sulfur Isotope Ratio of Non-sea Salt Sulfate and Lead-210 Concentration in Aerosols as an Index of Long-range Transported Aerosols
小谷卓, 柳澤文孝, 金井豊, 宮岡明子, 赤田尚史
Radioisotopes 61 ( 2 ) 65 - 70 2012.2
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Determination of particulate, inorganic and organic gaseous halogens in the atmosphere
H. Tsukada, A. Takeda, H. Kakiuchi, N. Akata
KURRI Progress Report 2011 240 2012
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LOW-LEVEL MEASUREMENT WITH A NOBLE GAS MASS SPECTROMETER FOR ORGANICALLY BOUND TRITIUM IN ENVIRONMENTAL SAMPLES
H. Kakiuchi, H. Hasegawa, N. Akata, T. Tamari, H. Kawamura, N. Baglan, N. Momoshima, T. Uda, S. Hisamatsu
FUSION SCIENCE AND TECHNOLOGY 60 ( 4 ) 1256 - 1259 2011.11
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DETERMINATION OF THE ATMOSPHERIC HTO CONCENTRATION AROUND THE NUCLEAR FUEL REPROCESSING PLANT IN ROKKASHO BY USING A PASSIVE TYPE SAMPLER
Naofumi Akata, Hideki Kakiuchi, Kuniaki Kanno, Nagayoshi Shima, Shun'ichi Hisamatsu
FUSION SCIENCE AND TECHNOLOGY 60 ( 4 ) 1292 - 1295 2011.11
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Tritium concentrations in the atmospheric environment at Rokkasho, Japan before the final testing of the spent nuclear fuel reprocessing plant
Naofumi Akata, Hideki Kakiuchi, Nagayoshi Shima, Takashi Iyogi, Noriyuki Momoshima, Shun'ichi Hisamatsu
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 102 ( 9 ) 837 - 842 2011.9
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Spatial Distribution of Stable Sulfur Isotope Ratio in Coal Samples in East Asian Region
本山玲美, 柳澤文孝, 上田晃, 鈴木祐一郎, 金井豊, 大澤英二, 小島武, 赤田尚史
Radioisotopes 60 ( 1 ) 27-33 (J-STAGE) - 33 2011.1
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Ten-year observation of sulfur isotopic composition of sulfate in aerosols collected at Tsuruoka, a coastal area on the Sea of Japan in northern Japan
Naofumi Akata, Fumitaka Yanagisawa, Takashi Kotani, Akira Ueda
GEOCHEMICAL JOURNAL 44 ( 6 ) 571 - 577 2010
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Chemical characterization of snowfall in Shinjo, Yamagata Prefecture, Japan and long-term trend of snow acidification during 1991/92 to 2002/03
赤田尚史, 柳澤文孝, 奥村信貴, 鈴木伸一朗, 阿部修, 佐藤威, 小杉健二, 望月重人, 佐藤篤司
雪氷 71 ( 4 ) 253 - 262 2009.7
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Air mass origins by back trajectory analysis for evaluating atmospheric (210)Pb concentrations at Rokkasho, Aomori, Japan
N. Akata, H. Kawabata, H. Hasegawa, K. Kondo, T. Sato, Y. Chikuchi, S. Hisamatsu, J. Inaba
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 279 ( 2 ) 493 - 498 2009.2
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Total deposition velocities and scavenging ratios of Be-7 and Pb-210 at Rokkasho, Japan
Naofumi Akata, H. Kawabata, H. Hasegawa, T. Sato, Y. Chikuchi, K. Kondo, S. Hisamatsu, J. Inaba
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 277 ( 2 ) 347 - 355 2008.8
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Plant induced changes in concentrations of caesium, strontium and uranium in soil solution with reference to major ions and dissolved organic matter
Akira Takeda, Hirofumi Tsukada, Yuichl Takaku, Naofumi Akata, Shun'ichi Hisamatsu
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 99 ( 6 ) 900 - 911 2008.6
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山形蔵王の着氷に含まれる化学成分の特徴‐長距離輸送成分の影響評価‐
赤田尚史
雪国環境研究 ( 14 ) 1 - 12 2008.3
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Sulfur isotope ratio of sulfate in rime collected at Mt. Zao, Yamagata Prefecture, Japan
赤田尚史, 柳澤文孝, 山下千尋, 座間味一朗, 松木兼一郎, 川端明子, 上田晃
雪氷 70 ( 2 ) 105 - 112 2008.3
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Mechanism of Be-7 scavenging from the atmosphere through precipitation in relation to seasonal variations in Rokkasho Village, Aomori Prefecture, Japan
H. Hasegawa, N. Akata, H. Kawabata, Y. Chikuchi, T. Sato, K. Kondo, J. Inaba
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY 273 ( 1 ) 171 - 175 2007.7
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Estimation of natural radionuclide deposition flux by a simple simulation model at Rokkasho Village, Japan
Hasegawa, H, Akata, N, Kawabata, H, Chikuchi, Y, Sato, T, Kondo, K, Hisamatsu, S, Inaba, J
International Symposium on Environmental Modeling and Radioecology, Rokkasho, Japan, October. 255 - 258 2007
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Deposition of (CS)-C-137 in Rokkasho, Japan and its relation to Asian dust
Naofumi Akata, Hidenao Hasegawa, Hitoshi Kawabata, Yuki Chikuchi, Tadahiro Sato, Yoshihito Ohtsuka, Kunio Kondo, Shun'ichi Hisamatsu
JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 95 ( 1 ) 1 - 9 2007
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Atmospheric concentrations and deposition fluxes of 7Be and 210Pb at Rokkasho Village, Japan
Akata, N, Kawabata, H, Hasegawa, H, Sato, T, Chikuchi, Y, Kondo, K, Hisamatsu, S, Inaba, J
International Symposium on Environmental Modeling and Radioecology, Rokkasho, Japan, October. 263 - 266 2007
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大東諸島の自然放射能レベルとその地質学的解釈
古川雅英, 赤田尚史, 床次眞司
Radioisotopes 54 213 - 224 2005.7