@article{CTT100818879, author = {Koki Maeda and Sakae Toyoda and Midori Yano and Shohei Hattori and Makoto Fukasawa and Keiichi Nakajima and Naohiro Yoshida}, title = {Isotopically enriched ammonium shows high nitrogen turnover in the pile top zone of dairy manure compost.}, journal = {Biogeosciences}, year = 2016, } @article{CTT100818875, author = {Kazuki Kamezaki and Shohei Hattori and Takahiro Ogawa and Sakae Toyoda and Hiromi Kato and Yoko Katayama and Naohiro Yoshida}, title = {Sulfur isotopic fractionation of carbonyl sulfide during degradation by soil bacteria}, journal = {Environmental science & technology}, year = 2016, } @article{CTT100766903, author = {Masahide Ishizuka and Masao Mikami and Taichu Y. Tanaka and Yasuhito Igarashi and Kazuyuki Kita and Yutaka Yamada and Naohiro Yoshida and Sakae Toyoda and Yukihiko Satou and Takeshi Kinase and Kazuhiko Ninomiya and Atsushi Shinohara}, title = {Use of a size-resolved 1-D resuspension scheme to evaluate resuspended radioactive material associated with mineral dust particles from the ground surface}, journal = {Journal of Environmental Radioactivity}, year = 2016, } @article{CTT100766905, author = {Christine B. Wenk and Caitlin H. Frame and Keisuke Koba and Karen L. Casciotti and Mauro Veronesi and Helge Niemann and Carsten J. Schubert and Naohiro Yoshida and Sakae Toyoda and Akiko Makabe and Jakob Zopfi and Moritz F. Lehmann}, title = {Differential N2O dynamics in two oxygen-deficient lake basins revealed by stable isotope and isotopomer distributions}, journal = {Limnology and Oceanography}, year = 2016, } @article{CTT100766906, author = {Azzaya Tumendelger and Sakae Toyoda and Naohiro Yoshida and Hiroshi Shiomi and Rina Kouno}, title = {Isotopocule characterization of N2O dynamics during simulated wastewater treatment under oxic and anoxic conditions}, journal = {Geochem. J.}, year = 2016, } @article{CTT100766907, author = {Sakae Toyoda and Naohiro Yoshida}, title = {Development of automated preparation system for isotopocule analysis of N2O in various air samples}, journal = {Atmos. Meas. Tech.}, year = 2016, } @article{CTT100766908, author = {J. Mohn and W Gutjahr and S. Toyoda and E. Harris and E. Ibraim and H. Geilmann and P. Schleppi and T. Kuhn and M. F. Lehmann and C. Decock and R.A. Werner and Naohiro Yoshida and W.A. Brand}, title = {Reassessment of the NH4NO3 thermal decomposition technique for calibration of the N2O isotopic composition}, journal = {Rapid Commun. Mass Spectrom.}, year = 2016, } @article{CTT100766909, author = {Muhammad Ali and Rathnayake M.L.D. Rathnayake and Lei Zhang and Satoshi Ishii and Tomonori Kindaichi and Hisashi Satoh and Sakae Toyoda and Naohiro Yoshida and Satoshi Okabe}, title = {Source identification of nitrous oxide emission pathways from a single-stage nitritation-anammox granular reactor}, journal = {Water Research}, year = 2016, } @article{CTT100787622, author = {Shohei Hattori and Savarino, J. and Kamezaki, K. and Ishino, S. and Dyckmans, J. and Fujinawa, T. and Caillon, N. and Barbero, A. and Mukotaka, A. and Sakae Toyoda and Well, R. and Naohiro Yoshida}, title = {Automated system measuring triple oxygen and nitrogen isotope ratios in nitrate using the bacterial method and N2O decomposition by microwave discharge}, journal = {Rapid Communications in Mass Spectrometry}, year = 2016, } @inproceedings{CTT100748068, author = {Sakae Toyoda and Shinji Morimoto and Shuji Aoki and Takakiyo Nakazawa and Satoshi Sugawara and Shigeyuki Ishidoya and Mitsuo Uematsu and Yoichi Inai and Fumio Hasebe and Chusaku Ikeda and Hideyuki Honda and Kentaro Ishijima}, title = {Vertical distributions of N2O isotopocules in the equatorial stratosphere}, booktitle = {}, year = 2016, } @inproceedings{CTT100748014, author = {Yuma Watanabe and Sakae Toyoda and NAOHIRO YOSHIDA and 島田智亮 and 青木周司 and 森本真司 and 中澤高清 and 菅原敏 and 石戸谷重之 and 本田秀之 and 池田忠作 and 井筒直樹 and 吉田哲也}, title = {日本上空の成層圏におけるN2O アイソトポキュル比の高度分布}, booktitle = {}, year = 2016, } @inproceedings{CTT100748016, author = {Takahito Kakimoto and Sakae Toyoda and NAOHIRO YOSHIDA and 小杉如央 and 笹野大輔 and 石井雅男 and 亀山宗彦 and 稲川満穂実 and 吉川久幸 and 西野茂人 and 村田昌彦}, title = {安定同位体を用いた北極海におけるN2O 生成・消滅過程の解析}, booktitle = {}, year = 2016, } @inproceedings{CTT100748015, author = {Sakae Toyoda and Yuma Watanabe and NAOHIRO YOSHIDA and 町田敏暢 and 遠嶋 康徳 and 石島 健太郎 and 森本真司 and Doug Worthy}, title = {北半球における対流圏N2O アイソトポキュル比の経年変化}, booktitle = {}, year = 2016, } @inproceedings{CTT100748012, author = {Kudo.K and Toyoda.S and Yamada.K and Yoshida.N and Sasano.D and Kosugi.N and Ishii.M and Yoshikawa.H and Murata.A and Uchida.H and Nishino.S}, title = {Spacial Distribution of Dissolved Methane in the Western Arctic Ocean}, booktitle = {}, year = 2016, } @inproceedings{CTT100747995, author = {Toyoda.S and Matsushima.S and Makabe. A and Nunoura.T and Yoshikawa.C and  Yoshida.N}, title = {Isotopic Analyses of Dissovled N2O and Nitrite in the Subarctic North Pacific}, booktitle = {}, year = 2016, } @inproceedings{CTT100748010, author = {Kita.K and Kinase.T and Igarashi.Y and Adachi.K and Yamada.K and Toyoda.S and Yoshida.N and Ninomiya K and Shinohara A and Okochi.H and Ishizuka.M and Maki.T and Abe.Y and Nakai.I and Furukawa.J and  Onda.Y}, title = {Re-suspension Processes of Radioactive Cs Emitted by the FNDPP Accident in Summer and Autumn – Possibility of Biosphere-Atmosphere Circulation of Radioactive Cs}, booktitle = {}, year = 2016, } @inproceedings{CTT100723681, author = {keita Yamada and Sakae Toyoda and NAOHIRO YOSHIDA}, title = {夏/秋季における大気中の放射性セシウムの再飛散過程~生物―大気循環の可能性}, booktitle = {}, year = 2016, } @inproceedings{CTT100723683, author = {Sakae Toyoda and Naohiro Yoshida}, title = {インドネシア上空成層圏において観測された大気主成分の拡散分離}, booktitle = {}, year = 2016, } @inproceedings{CTT100723685, author = {Sakae Toyoda and Naohiro Yoshida}, title = {インドネシア上空成層圏におけるCO2とSF6の濃度}, booktitle = {}, year = 2016, } @inproceedings{CTT100747776, author = {Thuan and Nguyen Cong and Keisuke Koba and Midori Yano and Akiko Makabe and Co Thi Kinh and Akihiko Terada and Sakae Toyoda and Naohiro Yoshida and Yotaro Tanaka and Masanori Katsuyama and Muneoki Yoh}, title = {Integrated approaches of N2/Ar measurement, stable isotopic and molecular techniques and investigating dissolved organic matter characteristics to evidence the denitrification in river}, booktitle = {}, year = 2016, } @inproceedings{CTT100747777, author = {M. Nakagawa and O. Yagi and Y. Tan and S. Toyoda and K. Yamada and N. Yoshida}, title = {Seasonal change of particulate organic carbon isotopic ratios and high production in anaerobic layer in the monomictic lake, waku-ike (Nagano Prefecture)}, booktitle = {}, year = 2016, } @inproceedings{CTT100722653, author = {Sakae Toyoda and NAOHIRO YOSHIDA}, title = {北極域における大気中N2O isotopoculeの時空間分布}, booktitle = {}, year = 2016, } @inproceedings{CTT100722658, author = {Sakae Toyoda and Kushi Kudo and NAOHIRO YOSHIDA}, title = {北極海における溶存メタンおよび一酸化二窒素の濃度と isotopoculeの分布}, booktitle = {}, year = 2016, } @inproceedings{CTT100734761, author = {Kazuyuki Kita and Rie Kasahara and Misako Tanaka and Kaori Sato and Hiroyuki Demizu and Yasuhito Igarashi and Masao Mikami and Naohiro Yoshida and Sakae Toyoda and Haruo Tsuruta and Mitsuo Uematsu and Shogo Hgaki and Atsushi Shinohara and Akira Watanabe and Hisao Nagabayashi and Akihiro Yokoyama and Masayuki Takigawa and Satoshi Sugawara and Kiesuke Sueki and Yuichi Onda}, title = {Variation of atmospheric concentarations of I-131, Cs-134 and Cs-137 observed over eastren Japan: contribution of leakage from Fukushima Dai-ichi Nuclear Power Plant and secondary emission from soil and vegetation.}, booktitle = {}, year = 2016, } @inproceedings{CTT100723393, author = {Sakae Toyoda and NAOHIRO YOSHIDA}, title = {赤道上空成層圏におけるN2O isotopocule比の高度分布}, booktitle = {}, year = 2016, } @inproceedings{CTT100723680, author = {Shohei Hattori and Sakae Toyoda and Naohiro Yoshida}, title = {Sulfur isotopic analysis of carbonyl sulfide and its application for biogeochemical cycles}, booktitle = {}, year = 2016, }