T
Tomoko Shirai
Researcher at National Institute for Environmental Studies
Publications - 23
Citations - 634
Tomoko Shirai is an academic researcher from National Institute for Environmental Studies. The author has contributed to research in topics: Carbon dioxide & Biosphere. The author has an hindex of 11, co-authored 21 publications receiving 479 citations.
Papers
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Journal ArticleDOI
Comparison of air pollutant emissions among mega-cities
D. D. Parrish,William C. Kuster,Min Shao,Yoko Yokouchi,Yutaka Kondo,Paul D. Goldan,Joost A. de Gouw,Joost A. de Gouw,Makoto Koike,Tomoko Shirai +9 more
TL;DR: In this paper, the authors compared the ambient measurements of hydrocarbons, carbon monoxide and nitrogen oxides from three non-US mega-cities (Beijing, Mexico City, Tokyo) with similar measurements from US cities in the mid-1980s and the early 2000s.
Journal ArticleDOI
Top–down assessment of the Asian carbon budget since the mid 1990s
Rona Thompson,Prabir K. Patra,Frédéric Chevallier,Shamil Maksyutov,Rachel M. Law,Tilo Ziehn,I. T. van der Laan-Luijkx,Wouter Peters,Alexander Ganshin,Ruslan Zhuravlev,Ruslan Zhuravlev,Takashi Maki,Takashi Nakamura,Tomoko Shirai,Misa Ishizawa,Tazu Saeki,Toshinobu Machida,Benjamin Poulter,Josep G. Canadell,Philippe Ciais +19 more
TL;DR: In this paper, the authors used an ensemble of seven atmospheric inverse systems to estimate land biosphere fluxes (natural, land-use change and fires) based on atmospheric observations of CO2 concentration.
Top-Down Assessment of the Asian Carbon Budget Since the Mid 1990s
Josep G. Canadell,Rona Thompson,Prabir K. Patra,Frédéric Chevallier,Shamil Maksyutov,Rachel M. Law,Tilo Ziehn,Ingrid T. van der Laan-Luijkx,Wouter Peters,Alexander Ganshin,Ruslan Zhuravlev,Takashi Maki,Takashi Nakamura,Tomoko Shirai,Misa Ishizawa,Tazu Saeki,Benjamin Poulter,Philippe Ciais +17 more
TL;DR: The Asian land biosphere was a net sink of −0.46 (−0.70–0.24) PgC per year for 1996–2012 and was mostly located in East Asia, while in South and Southeast Asia the landBiosphere was close to carbon neutral.
Journal Article
Photochemistry of ozone over the western Pacific from winter to spring : Intercontinental Transport and Chemical Transformation 2002 (ITCT 2K2) and Pacific Exploration of Asian Continental Emissions (PEACE) experiments
Yoshiko Kondo,K. Nakamura,G. Chen,Nobuyuki Takegawa,Masahiko Koike,Yuzo Miyazaki,Kazuyuki Kita,James H. Crawford,Malcolm K. W. Ko,Donald R. Blake,Shuji Kawakami,Tomoko Shirai,B. Liley,Yu Wang,T. Ogawa +14 more
TL;DR: In this article, a photochemical box model is used to calculate ozone formation (F(O 3 )) and destruction (D(O3 )) rates constrained by the observed species concentrations, which are controlled directly by NO, J(O 1 D), H 2 O, OH, and HO 2.
Journal ArticleDOI
Global terrestrial carbon fluxes of 1999–2019 estimated by upscaling eddy covariance data with a random forest
Jiye Zeng,Tsuneo Matsunaga,Zheng-Hong Tan,Nobuko Saigusa,Tomoko Shirai,Yanhong Tang,Shushi Peng,Yoko Fukuda +7 more
TL;DR: A product obtained by using a Random Forest to upscale terrestrial net ecosystem exchange, gross primary production, and ecosystem respiration from FLUXNET 2015 can be valuable for the carbon-cycle community to validate terrestrial biosphere models and cross check datasets.