Taku Umezawa

机构：National Institute for Environmental Studies, Tohoku University · ORCID：0000-0003-1217-7439

发表论文 119 篇 · 总被引 1223 次 · h-index 21

代表论文

• Microbial driver of 2006–2023 CH 4 growth indicated by trends in atmospheric δD–CH 4 and δ 13 C–CH 4 (2025 · Proceedings of the National Academy of Sciences · 被引 7)
• Evaluating urban methane emissions and their attributes in a megacity, Osaka, Japan, via mobile and eddy covariance measurements (2025 · Atmospheric chemistry and physics · 被引 4)
• Stratospheric δ 13 CO 2 observed over Japan and its governing processes (2025 · Atmospheric chemistry and physics · 被引 3)
• Multi-observational estimation of regional and sectoral emission contributions to the persistent high growth rate of atmospheric CH 4 for 2020–2022 (2025 · Atmospheric chemistry and physics · 被引 3)
• Long-term and interannual variations of atmospheric methane observed by the NIES and collaborative observation networks (2025 · Progress in Earth and Planetary Science · 被引 3)
• Evaluation of Stratospheric Age of Air Estimated from Halocarbon Measurements of Air Samples Collected by a Balloon-Borne Cryogenic Air Sampler over Japan (2025 · SOLA · 被引 3)