Global Carbon Cycle Research Section

We develop observation technology for greenhouse gases and other substances with biogeochemical cycles, grasp the dynamics of global material cycles on land, ocean, and in the atmosphere, and clarify their interactions with climate change.


Maintenance of the observation network and measurement traceability for atmospheric greenhouse gases
Observational and modeling studies of greenhouse gases and air quality in Indonesia
SUN Lifei
Research Associate
Observation and analysis of the response and feedback of soil CO2/CH4 fluxes to climate change



Atmospheric observations for greenhouse gases and related constituents in the urban areas(in Japanese)
Terao, Y., & Ishidoya, S.
Archives of Atmospheric Chemistry Research, 45 (045A01) (2021)
Anthropogenic CO2 emissions changes in an urban area of Tokyo, Japan, due to the COVID-19 pandemic: A case study during the state of emergency in April–May 2020
Sugawara, H., Ishidoya, S., Terao, Y., Takane, Y., Kikegawa, Y., & Nakajima, K.
Geophysical Research Letters, 48, e2021GL092600 (2021)
Soil carbon flux research in the Asian region: Review and future perspectives
Sha, L., Teramoto, M., Noh, N., Hashimoto, S., Yang, M., Sanwangsri M., & Liang, N.
Journal of Agricultural Meteorology, 77(1):24-51 (2021)
Estimation of PM2.5 emission sources in the Tokyo Metropolitan area by simultaneous measurements of particle elements and oxidative ratio in air
Kaneyasu, N., Ishidoya, S., Terao, Y., Mizuno, Y. & Sugawara, H.
ACS Earth and Space Chemistry 4, 297-304 (2020)
O2: CO2 exchange ratio for net turbulent flux observed in an urban area of Tokyo, Japan and its application to an evaluation of anthropogenic CO2 emissions
Ishidoya, S., Sugawara, H., Terao, Y., Kaneyasu, N., Aoki, N., Tsuboi, K. & Kondo, H.
Atmospheric Chemistry and Physics 20, 5293-5308 (2020)
Enhanced understory carbon flux components and robustness of net CO2 exchange after thinning in a larch forest in central Japan
Teramoto, M., Liang, N., Takahashi, Y., Zeng, J., Saigusa, N., Ide, R. & Zhao X.
Agricultural and Forest Meteorology 274, 106-117 (2019)
Methane budget of East Asia, 1990-2015: A bottom-up evaluation
Ito, A., Tohjima, Y., Saito, T., Umezawa, T., Hajima, T., Hirata, R., Saito, M. & Terao, Y.
Science of the Total Environment 676, 40-52 (2019)
Short-term effects of high CO2 accelerate photosynthetic induction in Populus koreana × trichocarpa with always-open stomata regardless of phenotypic changes in high CO2 growth conditions
Tomimatsu, H., Sakata, T., Fukayama, H. & Tang, Y.
Tree Physiology, tpy078 (2018)
Methane and nitrous oxide emissions from conventional and modified rice cultivation systems in South India
Oo, A. Z., Sudo, S., Inubushi, K., Mano, M., Yamamoto, A., Ono, K., Osawa, T., Hayashida, S., Patra, P. K., Terao, Y., Elayakumar, P., Vanitha, K., Umamageswari, C., Jothimani, P. & Ravi, V.
Agriculture, Ecosystems and Environment 252, 148-158 (2018)
Emission factors of CO2, CO and CH4 from Sumatran peatland fires in 2013 based on shipboard measurements
Nara, H., Tanimoto, H., Tohjima, Y., Mukai, H., Nojiri, Y. & Machida, T.
Tellus B 69, 1399047 (2017)
Long-term chamber measurements reveal strong impacts of soil temperature on seasonal and inter-annual variation in understory CO2 fluxes in a Japanese larch (Larix kaempferi Sarg.) forest
Teramoto, M., Liang, N., Zeng, J., Saigusa, N. & Takahashi, Y.
Agricultural and Forest Meteorology 247, 194-206 (2017)
Six years of atmospheric CO2 observations at Mt. Fuji recorded with a battery-powered measurement system
Nomura, S., Mukai, H., Terao, Y., Machida, T. & Nojiri, Y.
Atmos. Meas. Tech. 10, 667-680, (2017)
Exogenous N addition enhances the responses of gross primary productivity to individual precipitation events in a temperate grassland
Guo, Q., Hu, Z. M., Yu, G. R., Sun, X. M., Li, L. H., Liang, N. & Bai, W. M.
Scientific Reports 6:26901 (2016)
Responses of gross primary productivity to different sizes of precipitation events in a temperate grassland ecosystem in Inner Mongolia, China
Guo, Q., Li, S. G., Hu, Z. M., Zhao, W., Yu, G. R., Sun, X. M., Li, L., Liang, N. & Bai, W.
J. Arid Land 8(1): 36-46 (2016)
Sustained acceleration of soil carbon decomposition observed in a 6-year warming experiment in a warm-temperate forest in southern Japan
Teramoto, M., Liang, N., Takagi, M., Zeng, J. & Grace, J.
Sci. Rep. 6, 35563 (2016)
Heterotrophic respiration does not acclimate to continuous warming in a subtropical forest
Wu, C., Liang, N., Sha, L., Xu, X., Zhang, Y., Lu, H., Song, L., Song, Q. & Xie, Y.
Scientific Reports 6:21561 (2016)