@article{CTT100835668,
  author = {Ishidoya, S. and S. Sugawara and Y. Inai and S. Morimoto and H. Honda and C. Ikeda and G. Hashida and T. Machida and Y. Tomikawa and S. Toyoda and D. Goto and S. Aoki and T. Nakazawa},
  title = {Gravitational separation of the stratospheric air over Syowa, Antarctica and its connection with meteorological fields},
  journal = {Atmos. Sci. Lett.},
  year = 2018,
}

@article{CTT100813494,
  author = {Ostrom N. E. and Gandhi H. and Coplen T. B. and Toyoda S. and Böhlke J. K. and Brand W. A. and Casciotti K. L. and Dyckmans J. and Giesemann A. and Mohn J. and Well R. and Yu L. and Yoshida N.},
  title = {Preliminary assessment of stable nitrogen and oxygen isotopic composition of USGS51 and USGS52 nitrous oxide reference gases and perspectives on calibration needs.},
  journal = {Rapid Commun. Mass Spectrom.},
  year = 2018,
}

@article{CTT100818406,
  author = {Fu-Jun Yue and Si-Liang Li and Cong-Qiang Liu and Khan M.G. Mostofa and Naohiro Yoshida and Sakae Toyoda and Shohei Hattori and Xiao-Long Liu and Shi-Lu Wang},
  title = {The spatial variation of nitrogen cycle in subtropical stratified dam lake in SW China, elucidated by nitrous oxide isotopomer and nitrate isotopes,},
  journal = {Inland Waters},
  year = 2018,
}

@article{CTT100766899,
  author = {F. Hasebe and S. Aoki and S. Morimoto and Y. Inai and T. Nakazawa and S. Sugawara and C. Ikeda and H. Honda and H. Yamazaki and N. Komala and F. A. Putri and A. Budiyono and M. Soedjarwo and S. Ishidoya and S. Toyoda and T. Shibata and M. Hayashi and N. Eguchi and N. Nishi and M. Fujiwara and S.-Y. Ogino and M. Shiotani and T.: Sugidachi},
  title = {Coordinated Upper-troposphere-to-stratosphere Balloon Experiment in Biak (CUBE/Biak)},
  journal = {B. Am. Meteorol. Soc.},
  year = 2018,
}

@article{CTT100766913,
  author = {Nathaniel E. Ostrom and Hasand Gandhi and Tyler B. Coplen and Sakae Toyoda and J.K. Boehlke and Wili A. Brand and Karen L. Casciotti and Jens Dyckmans and Anette Giesemann and Joachim Mohn and Reinhard Well and Longfei Yu and Naohiro Yoshida},
  title = {Preliminary assessment of stable nitrogen and oxygen isotopic composition of USGS51 and USGS52 nitrous oxide reference gases and perspectives on calibration needsJournal: Rapid Communications in Mass Spectrometry},
  journal = {Rapid Commun. Mass Spectrom.},
  year = 2018,
}

@article{CTT100785592,
  author = {Mayuko Nakagawa and Keita Yamada and Sakae Toyoda and Kazuyuki Kita and Yasuhito Igarashi and Shingo Komatsu and Kentaro Yamada and Naohiro Yoshida},
  title = {Characterization of hydrocarbons in aerosols and investigation of biogenic sources as a carrier of radiocesium isotopes},
  journal = {GEOCHEMICAL JOURNAL},
  year = 2018,
}

@article{CTT100766898,
  author = {Takeshi Kinase and Kazuyuki Kita and Yasuhito Igarashi and Kouji Adachi and Kazuhiko Ninomiya and Atsushi Shinohara and Hiroshi Okochi and Hiroko Ogata and Masahide Ishizuka and Sakae Toyoda and keita Yamada and Naohiro Yoshida and Yuji Zaizen and Masao Mikami and Hiroyuki Demizu and Yuichi Onda},
  title = {The seasonal variations of atmospheric 134,137Cs activity and possible host particles for their resuspension in the contaminated areas of Tsushima and Yamakiya, Fukushima, Japan},
  journal = {Progress in Earth and Planetary Science},
  year = 2018,
}

@article{CTT100766896,
  author = {S. Sugawara and S. Ishidoya and S. Aoki and S. Morimoto and T. Nakazawa and S. Toyoda and Y. Inai and F. Hasebe and C. Ikeda and H. Honda and D. Goto and F. A. Putri},
  title = {Age and gravitational separation of the stratospheric air over Indonesia},
  journal = {Atmos. Chem. Phys.},
  year = 2018,
}

@article{CTT100766895,
  author = {Sakae Toyoda and Naohiro Yoshida 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},
  journal = {Atmospheric Chemistry and Physics},
  year = 2018,
}

@article{CTT100766897,
  author = {Kushi Kudo and keita Yamada and Sakae Toyoda and Naohiro Yoshida and Daisuke Sasano and Naohiro Kosugi and Masao Ishii and Hisayuki Yoshikawa and Akihiko Murata and Hiroshi Uchida and Shigeto Nishino},
  title = {Spatial distribution of dissolved methane and its source in the western Arctic Ocean},
  journal = {Journal of Oceanography},
  year = 2018,
}

@inproceedings{CTT100817024,
  author = {F. HASEBE and S. AOKI and S. MORIMOTO and Y. INAI and T. NAKAZAWA and S. SUGAWARA and C. IKEDA and H. HONDA and H. YAMAZAKI and HALIMURRAHMAN and N. KOMALA and F. A. PUTRI and A. BUDIYONO and M. SOEDJARWO and S. ISHIDOYA and S. TOYODA and T. SHIBATA and M. HAYASHI and N. EGUCHI and N. NISHI and M. FUJIWARA and S.-Y. OGINO and M. SHIOTANI and T. SUGIDACHI and D. A. BELIKOV and H. NGUYEN-THI},
  title = {CUBE/Biak: Observations of dynamics and chemistry affecting the air on its ascent in the tropical lower stratosphere},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100817017,
  author = {S. Toyoda and T. Machida and Y. Tohjima and M. Sasakawa and S. Morimoto and K. Ishijima and N. Yoshida},
  title = {Long-term trend of tropospheric N2O isotopocule ratios in the Northern Hemisphere},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100813505,
  author = {徐 佳欣 and Sakae Toyoda and keita Yamada and NAOHIRO YOSHIDA},
  title = {Development of on-line analytical method for hydrogen stable isotope ratio in H2 from anthropogenic sources},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100817019,
  author = {Sarah Eggleston and Sakae Toyoda and Heiko Moossen and Christina Biasi and Longfei Yu and Naohiro Yoshida and Paul Brewer and Joachim Mohn},
  title = {Development of international N2O reference materials for site preference measurements},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100811783,
  author = {奥村 優 and 中川麻悠子 and 丹 佑太 and 豊田 栄 and 山田桂太 and 吉田尚弘},
  title = {酸素濃度の異なる微生物生態系における脂肪酸 δC 及び δH 解析},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100813498,
  author = {松井智哉 and 豊田栄 and 藤原健智 and 吉田尚弘},
  title = {硝化菌による一酸化二窒素生成過程に海洋酸性化が及ぼす影響の解明},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100813500,
  author = {小林香音 and 服部祥平 and 松木篤 and 石野咲子 and 鈴木希実 and 亀崎和輝 and 豊田栄 and 吉田尚弘},
  title = {能登半島における大気硫酸エアロゾルの三酸素同位体組成の観測},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100775260,
  author = {Hyodo Ayumi and Malghani Saadat and Zhou Yong and Mushinski Ryan M. and Toyoda Sakae and Yoshida Naohiro and Boutton Thomas W and West Jason B},
  title = {Does biochar amendment reduce N2O emissions by stimulating the last step of denitrification? - A study using position-specific N isotopic composition},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100775283,
  author = {Naohiro YOSHIDA and Sakae TOYODA and Osamu YOSHIDA and Shuichi WATANABE},
  title = {Isotopomer and Isotopologue Abundance of Nitrous Oxide in Mid and Deep Oceans for its Source and Sink Indicator},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100775296,
  author = {Sarah S. Eggleston and Sakae Toyoda and Heiko Moossen and Christina Biasi and Tracey Jacksier and Longfei Yu and Naohiro Yoshida and Paul Brewer and Joachim Mohn},
  title = {Development of new N2O reference materials for d15N, d18O and 15N},
  booktitle = {},
  year = 2018,
}

@inproceedings{CTT100777450,
  author = {Sakae Toyoda and Osamu Yoshida and Hiroaki Yamagishi and Ayako Fujii and Naohiro Yoshida and Syuichi Watanabe},
  title = {Origin of nitrous oxide dissolved in deep ocean water deduced from concentration and isotopocule analyses},
  booktitle = {},
  year = 2018,
}