J-GLOBAL         Last updated: Jul 23, 2019 at 16:01
Nagasaki University
Graduate School of Fisheries Science and Environmental Studies
Job title
Associate Professor

Research Areas


Academic & Professional Experience

Mar 2018
Associate Professor, Graduate School of Fisheries and Environmental Sciences, Nagasaki University
Oct 2015
Feb 2018
Lecturer, Institute for Space and Earth Environmental Research, Nagoya University
Sep 2015
Sep 2015
Lecturer, Solar-Terrestrial Environment Laboratory, Nagoya University
Jun 2007
Sep 2015
Assistant Professor, Solar-Terrestrial Environment Laboratory, Nagoya University
Apr 2006
May 2007
Assistant Professor, Graduate School of Engineering, Kyoto University

Awards & Honors

May 2019
Asian Young Aerosol Scientist Award, Asian Aerosol Research Assembly
Oct 2018
Shono Award (Young Researchers’ Award), Meteorological Society of Japan
Apr 2018
Young Scientists’ Prize in the Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology in Japan
Oct 2015
Young Scientist Award, Japan Society of Atmospheric Chemistry
Aug 2015
Technical Director Award, Steel Foundation for Environment Protection Technology
Jun 2015
Young Researchers’ Award, Japan Association of Aerosol Science and Technology

Published Papers

Fumikazu Ikemori, Tomoki Nakayama, Hitomi Hasegawa
Atmospheric Environment   211 91-102   Aug 2019   [Refereed]
© 2019 Elsevier Ltd By understanding the sources and temporal variations of nitrated mono- and di-aromatic hydrocarbons (nitroaromatic hydrocarbons, NAHCs)in ambient particles, we can evaluate their impact on the climate, environment, and human he...
Yange Deng, Hikari Yai, Hiroaki Fujinari, Kaori Kawana, Tomoki Nakayama, Michihiro Mochida
Atmospheric Chemistry and Physics   19 5889-5903   May 2019   [Refereed]
© 2019 Author(s). This work is distributed under the Creative Commons Attribution 4.0 License. Formation of biogenic secondary organic aerosol (BSOA) and its subsequent evolution can modify the hygroscopicity of the organic aerosol component (OA)...
X. –C. Qin, T. Nakayama, Y. Matsumi*, M. Kawasaki, R. Imasu, I. Morino, Y. Tanaka, S. Ishidoya, K. Sato, M. Ohashi
Atmospheric Environment X   2 100022   Feb 2019   [Refereed]
Yange Deng, Sara Kagami, Shuhei Ogawa, Kaori Kawana, Kaori Kawana, Tomoki Nakayama, Tomoki Nakayama, Ryo Kubodera, Kouji Adachi, Tareq Hussein, Tareq Hussein, Yuzo Miyazaki, Michihiro Mochida, Michihiro Mochida
Journal of Geophysical Research: Atmospheres   123 9703-9723   Sep 2018   [Refereed]
©2018. American Geophysical Union. All Rights Reserved. The formation of biogenic secondary organic aerosols (BSOAs) in forest environments is potentially important to cloud formation via changes of the cloud condensation nuclei (CCN) activity of ...
Bich Thuy Ly, Bich Thuy Ly, Yutaka Matsumi, Tomoki Nakayama, Tomoki Nakayama, Yosuke Sakamoto, Yosuke Sakamoto, Yosuke Sakamoto, Yoshizumi Kajii, Yoshizumi Kajii, Yoshizumi Kajii, Trung Dung Nghiem
Aerosol and Air Quality Research   18 2487-2497   Sep 2018   [Refereed]
© Taiwan Association for Aerosol Research. A year-long observation of PM2.5 concentrations was conducted in Hanoi from July 2016 to June 2017 using newly developed highly sensitive sensors. The hourly concentration data of PM2.5 agreed well with c...
Tomoki Nakayama, Kei Sato, Takashi Imamura, Yutaka Matsumi
Environmental Science and Technology   52 2566-2574   Mar 2018   [Refereed]
Copyright © 2018 American Chemical Society. Oxidation of isoprene by hydroxyl radical (OH), ozone (O3), or nitrate radical (NO3) leads to the formation of secondary organic aerosol (SOA) in the atmosphere. This SOA contributes to the radiation bal...
Tomoki Nakayama, Yutaka Matsumi, Keiko Kawahito, Yoshifumi Watabe
Aerosol Science and Technology   52 2-12   Jan 2018   [Refereed]
© 2018 American Association for Aerosol Research. A new palm-sized optical PM2.5sensor has been developed and its performance evaluated. The PM2.5mass concentration was calculated from the distribution of light scattering intensity by considering ...
Xiu Chun Qin, Tomoki Nakayama, Yutaka Matsumi, Masahiro Kawasaki, Akiko Ono, Sachiko Hayashida, Ryoichi Imasu, Li Ping Lei, Isao Murata, Takahiro Kuroki, Masafumi Ohashi
Journal of Applied Remote Sensing   12    Jan 2018   [Refereed]
© 2017 Society of Photo-Optical Instrumentation Engineers (SPIE). Remote sensing of the atmospheric greenhouse gases, methane (CH4) and carbon dioxide (CO2), contributes to the understanding of global warming and climate change. A portable ground-...
T. Nakayama, Y. Kuruma, Y. Kuruma, Y. Matsumi, Y. Morino, K. Sato, H. Tsurumaru, H. Tsurumaru, S. Ramasamy, S. Ramasamy, Y. Sakamoto, Y. Sakamoto, Y. Sakamoto, S. Kato, Y. Miyazaki, T. Mochizuki, T. Mochizuki, K. Kawamura, K. Kawamura, Y. Sadanaga, Y. Nakashima, K. Matsuda, Y. Kajii, Y. Kajii, Y. Kajii
Atmospheric Environment   171 91-97   Dec 2017   [Refereed]
© 2017 Elsevier Ltd As a new approach to investigating formation processes of secondary organic aerosol (SOA) in the atmosphere, ozone-induced potential aerosol formation was measured in summer at a suburban forest site surrounded by deciduous tre...
Ryuichi Wada, Ryuichi Wada, Yutaka Matsumi, Yutaka Matsumi, Tomoki Nakayama, Tomoki Nakayama, Tetsuya Hiyama, Yasushi Fujiyoshi, Naoyuki Kurita, Kenichiro Muramoto, Satoru Takanashi, Naomi Kodama, Yoshiyuki Takahashi
Isotopes in Environmental and Health Studies   53 646-659   Nov 2017   [Refereed]
© 2017 Informa UK Limited, trading as Taylor & Francis Group. Isotope ratios of carbon dioxide and water vapour in the near-surface air were continuously measured for one month in an urban area of the city of Nagoya in central Japan in September...


27(1) 13-23   Mar 2012   [Refereed][Invited]

Conference Activities & Talks

Smog chamber experiments on secondary organic aerosol (SOA) and nitrate aerosol generation from dark condition aging of toluene and limonene SOA
S. Ramasamy, T. Nakayama, T. Imamura, Y. Kajii, K. Sato
2018 AGU fall meeting   Dec 2018   
Characterization of organic aerosols at a forest site in Kii Peninsula, Japan, based on PMF analysis of aerosol mass spectra
M. Mochida, S. Kagami, Y. Deng, S. Ogawa, K. Kawana, T. Nakayama, R. Kubodera, K. Aoki
Joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference (IGAC2018)   Sep 2018   
Size-resolved hygroscopicity of atmospheric aerosols in a mid-latitude forest in Japan
Y. Deng, Y. Hikari, H. Fujinari, K. Kawana, T. Nakayama, M. Mochida
Joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference (IGAC2018)   Sep 2018   
Measurements of atmospheric CO2 column concentration using compact solar spectrometers
X. -C. Qin, T. Nagahama, H. Sasago, T. Nakayama, Y. Matsumi, M. Kawasaki, R. Imasu, H. Oyama
Joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference (IGAC2018)   Sep 2018   
Development and evaluation of a palm-sized optical PM2.5 sensor
Y. Watabe, K. Nomura, T. Nakayama, Y. Matsumi
Joint 14th iCACGP Quadrennial Symposium and 15th IGAC Science Conference (IGAC2018)   Sep 2018   

Social Contribution

Impact of PM2.5 on Climate Change, Air Pollution, and Human Health
[Lecturer]  International Environmental Expert Seminar  (Nagasaki University)  22 Aug 2018 - 22 Aug 2018