Takahashi Kenshi

タカハシケンシ | Takahashi Kenshi

Affiliation and department：
Job title： Professor
Homepage URL (1)： https://sites.google.com/view/rish-laeia/

Research field (3)： Environmental dynamics , Atmospheric and hydrospheric science , Analytical chemistry

Research keywords (4)：生物圏-大気圏の生物地球化学的相互作用 , 大気微量成分の高感度計測技術の開発 , Biogeochemical interactions between the atmosphere and biosphere , Development of high-sensitive instruments for measuring atmospheric trace molecules

Research theme for competitive and other funds (26)：

2024 - 2027 ローコストセンサーが拓く環境センシングの新時代へ向けたフィージビリティースタディー
2024 - 2027 森林土壌は本当に一酸化炭素のシンクか?-半導体レーザーによるフラックスの精密計測
2021 - 2024 Estimation of sporadic CH4 emissions from a riparian wetland in responding to heave rain events
2019 - 2021 An attempt estimating the urban-scale NO2 emission in a real-time basis
2018 - 2021 New insights into the methane emission processes from wetland ecosystems: A concerted activity of atmospheric chemistry and plant ecology researches

2020 - 2021 半導体レーザー分光技術で探る樹木の呼吸根のガス交換過程

2018 - 2021 Continuous measurements of methane emissions from an urban area

2015 - 2020 Carbon fixation process into the tree using 13C labeling and NanoSIMS

2016 - 2018 Development of a technique of measuring CO flux using a semiconductor laser

2015 - 2018 Development of a high sensitive sensor for nitrous oxide

2013 - 2016 Promoting the middle atmosphere science based on detailed satellite data from the Superconducting Submillimeter-Wave Limb-Emission Sounder

2012 - 2015 Comparison of carbon flow among tree species using 13C pulse labelling technique

2011 - 2014 New understandings of methane dynamics of forest ecosystems using TDLS analyzers

2011 - 2014 Creation of a high-sensitive detection method for methane using a PPLN-waveguide and its application to flux measurement

2011 - 2014 Development of new functions of Japanese cedar (Cryptmeria Japonica) - Characterization of air-purification and its application to indoor environment -

2008 - 2012 Understanding of the formation mechanisms of secondary organic aerosols by real-time measurements of their precursors

2009 - 2010 Use of Tunable Diode Laser Spectrophotometer (TDLS) for the understanding of trace gas dynamics in ecosystems

2009 - 2010 High-time resolution measurements of atmospheric methane by use of cavity enhanced absorption spectroscopy

2007 - 2008 Development of a high-sensitive fast-response instrument for measuring atmospheric NO_3/N_2O_5 using a technique of cavity ring-down spectroscopy

2005 - 2006 対流圏における揮発性有機化合物の変質過程の解明

2003 - 2004 新規代替フロン類が地球温暖化に与える影響の解明

2002 - 2003 Development of high-sensitive instrument for the detection of acid-rain precursors in the atmosphere

2001 - 2003 海洋上における硫黄・窒素化合物の反応

2001 - 2002 対流圏OHラジカルの収支を支配する大気化学反応の解明

2000 - 2001 Study of the quantum-yields of the products in the photolysis of ozone

1999 - 2000 Observations of tropospheric trace gases by ground-based high resolution FT-IR spectrometer

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Papers (106)：

Kenshi Takahashi, Ayaka Sakabe, Wakana A. Azuma, Masayuki Itoh, Tomoya Imai, Yasuki Matsumura, Makiko Tateishi, Yoshiko Kosugi. Insights into the mechanism of diurnal variations in methane emission from the stem surfaces of Alnus japonica. New Phytologist. 2022
Kyohei Fukuda, Masayoshi Uefune, Hidehiro Fukaki, Yasuo Yamauchi, Ikuko Hara-Nishimura, Rika Ozawa, Kenji Matsui, Koichi Sugimoto, Kazunori Okada, Ryozo Imai, et al. Aerial (+)-borneol modulates root morphology, auxin signalling and meristematic activity in Arabidopsis roots. Biology Letters. 2022. 18. 5
Kyohei Fukuda, Masayoshi Uefune, Hidehiro Fukaki, Yasuo Yamauchi, Ikuko Nishimura, Rika Ozawa, Kenji Matsui, Koichi Sugimoto, Kazunori Okada, Ryozo Imai, et al. Areal (+)-borneol modulates root morphology, auxin signalling and the promoter activity of cyclin B in Arabidopsis roots. Biology Letters. 2022
Kenshi Takahashi, Ayaka Sakabe, Akito Kanazawa, Yoshiko Kosugi. Vertical profiles of methane concentration above and within canopy in a temperate Japanese cypress forest. Atmospheric Environment: X. 2021. 12. 100143-100143
Ayaka Sakabe, Kenshi Takahashi, Wakana Azuma, Masayuki Itoh, Makiko Tateishi, Yoshiko Kosugi. Controlling Factors of Seasonal Variation of Stem Methane Emissions from Alnus japonica in a Riparian Wetland of a Temperate Forest Authors and addresses. Journal of Geophysical Research: Biogeosciences. 2021. 126. 10

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MISC (131)：

AsiaFlux Conference 2023. Temporal and spatial variations of nitrogen dioxide fluxes by eddy covariance method in an urban center, Sakai, Japan. 2023
堂本倖太, 植山雅仁, 高橋けんし. 都市域における一酸化炭素排出量の評価. 日本農業気象学会近畿支部 2023 年度大会. 2023
Kenshi Takahashi. Seasonal and daily variation of methane emissions from the stem surfaces of Alnus japonica. JpGU meeting 2023. 2023
岡村沙南, 植山雅仁, 高橋けんし. 大阪府堺市の中心部におけるNO2フラックスの時空間変動の解明. 日本農業気象学会2023年全国大会. 2023
坂部綾香, 高橋けんし, 小杉緑子. 大気中メタン濃度に対する土壌メタン吸収量の応答. 日本農業気象学会2023年全国大会. 2023

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Patents (1)：

レーザ装置及び波長変換装置

Books (2)：

根っこのふしぎな世界第3巻くらしと根っこはつながっている?
文研出版 2023 ISBN:9784580825994
生存圏科学への招待
2015

Lectures and oral presentations (33)：

地球環境変動と森林との関わり
(阪神シニアカレッジ 2024)
Temporal and spatial variations of nitrogen dioxide fluxes by eddy covariance method in an urban center, Sakai, Japan.
(AsiaFlux Conference 2023 2023)
大気中のマイノリティーのおはなし
(京都大学丸の内セミナー 2023)
都市域における一酸化炭素排出量の評価
(2023)
大阪府堺市を対象とした都市域における NO2 フラックスの時空間変動
(日本農業気象学会近畿支部 2023 年度大会 2023)

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Work history (5)：

2022/11 - 京都大学生存圏研究所教授
2009/10 - 京都大学生存圏研究所准教授
2007/04 - 京都大学次世代開拓研究ユニット特定助教
2006/12 - 京都大学次世代開拓研究ユニット特定助手
1998/04 - 名古屋大学太陽地球環境研究所助手

Association Membership(s) (9)：

米国化学会 , 米国地球物理学連合 , 日本気象学会 , American Chemical Society , Meteorological Society of Japan , American Geophysical Union , The Ecological Society of Japan , Japan Society of Atmospheric Chemistry , 日本農業気象学会

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