Ayaka Sakabe

Profile Information

Affiliation: Assistant professor, Kyoto University

Degree: 博士(農学)(京都大学)

J-GLOBAL ID: 201901007387236287
researchmap Member ID: B000352601

Research Areas

Education

- 2015

Division of Environmental Science and Technology, Graduate School of Agriculture, Kyoto University
- 2010

Department of Forest and Biomaterials Science, Faculty of Agriculture, Kyoto University

Committee Memberships

Apr, 2022 - Mar, 2024

Young scientist meeting, The Society of Agricultural Meteorology of Japan
Apr, 2022 - Mar, 2023

NISTEP researcher, National Institute of Science and Technology Policy

Awards

Mar, 2015

Best poster award, Spatial and temporal variability of methane flux in a temperate forest watershed including wetland, International Symposium on Agriculture

Ayaka Sakabe, Yoshiko Kosugi, Chika Okumi, Masayuki Itoh, Kenshi Takahashi, Hiroki Iwata, Mioko Ataka
Aug, 2014

Best poster award, A year continuous variations of soil CH4 fluxes in Japanese cypress forest: response to Asian monsoon rainfall, Asia Flux Workshop 2014

Ayaka Sakabe, Yoshiko Kosugi, Kenshi Takahashi, Akito Kanazawa, Naoki Makita, Masayuki Itoh

Papers

Wet canopy photosynthesis in a temperate Japanese cypress forest

Linjie Jiao, Yoshiko Kosugi, Ayaka Sakabe, Yuichi Sempuku, Ting-Wei Chang, Siyu Chen

Tree Phisiology, 2023 Peer-reviewed
Upscaling wetland methane emissions from the FLUXNET-CH4 eddy covariance network (UpCH4 v1.0): Model development, network assessment, and budget comparison

McNicol, G, Fluet-Chouinard, E, Ouyang, Z, Knox, S, Zhang, Z, Aalto, T, Chang, K.-Y, Chen, M, Delwiche, K, Feron, S …

AGU Advances, 2023 Peer-reviewed
Variability in Stem Methane Emissions and Wood Methane Production of Tree Different Species in a Cold Temperate Mountain Forest

Daniel Epron, Takumi Mochidome, Tomoko Tanabe, Masako Dannoura, Ayaka Sakabe

Ecosystems, Oct 11, 2022
Insights into the mechanism of diurnal variations in methane emission from the stem surfaces of Alnus japonica

Kenshi Takahashi, Ayaka Sakabe, Wakana A. Azuma, Masayuki Itoh, Tomoya Imai, Yasuki Matsumura, Makiko Tateishi, Yoshiko Kosugi

New Phytologist, 235(5) 1757-1766, Jul 14, 2022 Peer-reviewedLead author
Methane emission is independent from silicon availability in warm-temperate Chamaecyparis obtusa forest soils from diverse topographic positions

Ryosuke Nakamura, Ayaka Sakabe, Kenshi Takahashi

Geoderma, 406(115533), Jan, 2022 Peer-reviewed
Vertical profiles of methane concentration above and within the canopy of a temperate Japanese cypress forest

Kenshi Takahashi, Ayaka Sakabe, Akito Kanazawa, Yoshiko Kosugi

Atmospheric Environment: X, 12 100143-100143, Dec, 2021 Peer-reviewed
Controlling Factors of Seasonal Variation of Stem Methane Emissions from Alnus japonica in a Riparian Wetland of a Temperate Forest

Ayaka Sakabe, Kenshi Takahashi, Wakana Azuma, Masayuki Itoh, Makiko Tateishi, Yoshiko Kosugi

Journal of Geophysical Research: Biogeosciences, 126(10), Sep 14, 2021 Peer-reviewedLead authorCorresponding author
Gap-filling eddy covariance methane fluxes: Comparison of machine learning model predictions and uncertainties at FLUXNET-CH4 wetlands

Irvin, J, Zhou, S, McNicol, G, Lu, F, Liu, V, Fluet-Chouinard, E, Ouyang, Z, Knox, S. H, Lucas-Moffat, A, Trotta, C …

Agricultural and Forest Meteorology, 308-309 108528-108528, Jul, 2021 Peer-reviewed
Identifying dominant environmental predictors of freshwater wetland methane fluxes across diurnal to seasonal time scales

Sara Helen Knox, Sheel Bansal, Gavin McNicol, Karina Schafer, Cove Sturtevant, Masahito Ueyama, Alex C. Valach, Dennis Baldocchi, Kyle Delwiche, Ankur R Desai …

Global Change Biology, 27(15) 3582-3604, Apr 29, 2021 Peer-reviewed
Evapotranspiration and CO2 exchange of wet and snow-loaded canopy in an evergreen temperate coniferous forest

Linjie Jiao, Yoshiko Kosugi, Yuichi Sempuku, Ayaka Sakabe, Ting-Wei Chang

Mar 3, 2021
FLUXNET-CH4: A global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands

Kyle B. Delwiche, Sara Helen Knox, Avni Malhotra, Etienne Fluet-Chouinard, Gavin McNicol, Sarah Feron, Zutao Ouyang, Dario Papale, Carlo Trotta, Eleonora Canfora …

Earth System Science Data, 13(7) 3607-3689, Jan 18, 2021 Peer-reviewed
Ecosystem-scale methane flux in tropical peat swamp forest in Indonesia

Sakabe Ayaka, Itoh Masayuki, Hirano Takashi, Kusin Kitso

GLOBAL CHANGE BIOLOGY, 24(11) 5123-5136, Nov, 2018 Peer-reviewed
Evaluation of Canopy Evapotranspiration and Photosynthesis During and Immediately After Rainfall Using Enclosed-Path Eddy Covariance Method

仙福雄一, 小杉緑子, 岩田拓記, 鶴田健二, 鎌倉真依, 坂部綾香

水文・水資源学会誌, 31(3) 190‐199, May 5, 2018 Peer-reviewed
Exploring sub-daily to seasonal variations in methane exchange in a single-crop rice paddy in central Japan

Hiroki Iwata, Masayoshi Mano, Keisuke Ono, Takeshi Tokida, Takahiro Kawazoe, Yoshiko Kosugi, Ayaka Sakabe, Kenshi Takahashi, Akira Miyata

Atmospheric Environment, 179 156-165, Apr, 2018 Peer-reviewed
Seasonal and diurnal patterns of soil respiration in an evergreen coniferous forest: Evidence from six years of observation with automatic chambers

Naoki Makita, Yoshiko Kosugi, Ayaka Sakabe, Akito Kanazawa, Shinjiro Ohkubo, Makoto Tani

PLOS ONE, 13(2), Feb, 2018 Peer-reviewed
Impacts of riparian wetlands on the seasonal variations of watershed-scale methane budget in a temperate monsoonal forest

Ayaka Sakabe, Yoshiko Kosugi, Chika Okumi, Masayuki Itoh, Kenshi Takahashi

JOURNAL OF GEOPHYSICAL RESEARCH-BIOGEOSCIENCES, 121(7) 1717-1732, Jul, 2016 Peer-reviewed
Long-term trend of ecosystem fluxes of a Japanese cypress forest at Kiryu Experimental Watershed.

Kosugi Yoshiko, Takanashi Satoru, Ueyama Masahito, Iwata Hiroki, Tsuruta Kenji, Kamakura Mai, Ataka Mioko, Sakabe Ayaka, Tani Makoto

The Japanese Forest Society Congress, 127 617-617, 2016
Canopy evapotranspiration and photosynthesis during and after precipitation using enclosed-pass eddy covariance method

Senpuku Yuichi, Kosugi Yoshiko, Iwata Hiroki, Sakabe Ayaka, Tsuruta Kenji, Kamakura Mai, Yamamoto Hiroyuki

The Japanese Forest Society Congress, 127 385-385, 2016
Methane exchange in a poorly-drained black spruce forest over permafrost observed using the eddy covariance technique

Hiroki Iwata, Yoshinobu Harazono, Masahito Ueyama, Ayaka Sakabe, Hirohiko Nagano, Yoshiko Kosugi, Kenshi Takahashi, Yongwon Kim

AGRICULTURAL AND FOREST METEOROLOGY, 214 157-168, Dec, 2015 Peer-reviewed
Effects of water vapor dilution on trace gas flux, and practical correction methods

Yoshinobu Harazono, Hiroki Iwata, Ayaka Sakabe, Masahito Ueyama, Kenshi Takahashi, Hirohiko Nagano, Taro Nakai, Yoshiko Kosugi

JOURNAL OF AGRICULTURAL METEOROLOGY, 71(2) 65-76, Jun, 2015 Peer-reviewed

Misc.

Symposium on “Forest Soils and Climate Change: A Key to Carbon Neutrality/Net-Zero”

Hashimoto Shoji, Ishizuka Shigehiro, Yamashita Naoyuki, Sakai Yoshimi, Sakabe Ayaka, Katayanagi Nobuko, Kita Satoshi, Watanabe Hitoshi

Japanese Journal of Forest Environment, 65(1) 43-45, 2023 Peer-reviewed
森林における水文循環がメタンガス交換に与える影響

坂部綾香

土壌の物理性, Jul, 2022 Peer-reviewedInvitedLead author
Towards a new understanding of methane emission processes from wetland ecosystem

Kenshi Takahashi, Ayaka Sakabe

Agricultural biotechnology, 6(2), Feb, 2022 Invited
森林生態系におけるメタンフラックス観測の発展

坂部綾香

生存圏研究, (12) 39‐47-47, Nov 15, 2016
異なる2方式の渦相関法によるメタン発生量測定値の互換性を確保するデータ処理手法の開発

ONO KEISUKE, MANO MASAYOSHI, MIYATA AKIRA, IWATA TAKUKI, KOSUGI YOSHIKO, SAKABE AYAKA, TAKAHASHI KENSHI

農業環境技術研究所研究成果情報, 30 66-67, Mar 31, 2014
メタン(CH4)と一酸化二窒素(N2O)に関するFLUXNETワークショップの報告

宮田明, 岩田拓記, 坂部綾香

生物と気象, Sep, 2012 Peer-reviewed
AsiaFlux Workshop 2011 “Bridging Ecosystem Science to Services and Stewardship”の報告

斎藤琢, 坂部綾香, 吉澤景介, 鎌倉真依, 安立美奈子, 平田竜一

生物と気象, Nov, 2011 Peer-reviewed

Presentations

Seasonal variations and its controlling factors of dissolved methane concentrations in lakes and ponds from tropical to temperate region

Masayuki Itoh, Yuki Kobayashi, Mendoza MU, Takeshi Tokida, Ayaka Sakabe, Megumi Fujibayashi, Manabu Fukui, Noboru Okuda, Shiah FK

Japan Geoscience Union, May 26, 2023
Seasonal and daily variation of methane emissions from the stem surfaces of Alnus japonica

Kenshi Takahashi, Ayaka Sakabe, Wakana Azuma, Masayuki Itoh, Yoshiko Kosugi

Japan Geoscience Union, May 25, 2023
インドネシア・中部カリマンタン州の熱帯泥炭林における二酸化炭素収支

平野高司, 大久保晋治郎, 伊藤雅之, 都築勇人, 坂部綾香, 高橋英紀, Kitso Kusin, 大崎満

Japan Geoscience Union, May 25, 2023
三酸素同位体組成を指標に用いた対流圏二酸化炭素と陸域生態系の相互作用の定量化

中川書子, 中村恵弥, 角皆潤, 伊藤昌稚, 高梨聡, 坂部綾香, 斉藤拓也

Japan Geoscience Union, May 24, 2023
Methane emission from living and dead cypress stems in a temperate coniferous forest

Liu Zhining, Ayaka Sakabe, Yoshiko Kosugi

日本森林学会, Mar 25, 2023
第二の温室効果ガスメタンを吸収する土壌

坂部綾香

森林立地シンポジウム, Mar 23, 2023 Invited
渦相関法を用いた京都市の市街地におけるCO2フラックス測定

佐藤亮太, 坂部綾香, 小杉緑子

日本農業気象学会, Mar 17, 2023
Effects of microtopography-induced environmental factors on soil CH4 fluxes in a temperate forest

Haruki Watanabe, Ayaka Sakabe, Yoshiko Kosugi

International symposium on Agricultural Meteorology, Mar 17, 2023
大気中メタン濃度に対する土壌メタン吸収量の応答

坂部綾香, 高橋けんし, 小杉緑子

日本農業気象学会, Mar 17, 2023
湿地性樹木の樹幹からのメタン放出について-最近の動向および我々の研究-

高橋けんし, 坂部綾香, 東若菜, 伊藤雅之, 今井友也, 松村康生, 立石麻紀子, 小杉緑子

日本農業気象学会, Mar 16, 2023
ヒノキ林における過去20年間の蒸発散変動 ―渦相関法および多層モデルを用いた解析―

神谷有咲, 小杉緑子, Jiao Linjie, 坂部綾香, 鶴田健二

日本農業気象学会, Mar 16, 2023
冷温帯林の成木4個体における，辺材メタン濃度が幹メタン放出の個体レベルの空間変動性に与える影響

持留匠, 坂部綾香, 檀浦正子, Epron Daniel

日本木材学会, Mar 14, 2023
ガス交換観測による森林の炭素動態の実態解明

坂部綾香

関西6大学発農業系研究シーズ/共同研究/ベンチャーの現状と未来～食のバリューチェーンから関西農業系イノベーションエコシステム形成を目指して～, Dec 2, 2022 Invited
Methane emission from the stem of Alnus japonica

Kenshi Takahashi, Ayaka Sakabe, Wakana Azuma, Masayuki Itoh, Tomoya Imai, Yasuki Matsumura, Makiko Tateishi, Yoshiko Kosugi

Dec 1, 2022
三酸素同位体組成を指標に用いた対流圏二酸化炭素と陸域生態系の相互作用の定量化

中村恵弥, 角皆潤, 中川書子, 伊藤昌稚, 高梨聡, 坂部綾香, 斉藤拓也

第27回大気化学討論会, Nov 16, 2022
ため池表層水における溶存二酸化炭素濃度の日変動特性

宮下直也, 伊藤雅之, 坂部綾香

日本陸水学会第86回大会, Sep 16, 2022
渦相関法を用いたため池からのメタン放出の測定

森口大世, 坂部綾香, 伊藤雅之, 小杉緑子

日本陸水学会第86回大会, Sep 16, 2022
三酸素同位体組成を指標に用いた対流圏二酸化炭素と陸域生態系の相互作用の定量化

中村恵弥, 角皆潤, 中川書子, 伊藤昌稚, 高梨聡, 坂部綾香, 斉藤拓也

日本地球化学会第69回年会, Sep 7, 2022
2009-2019年に観測された温帯林土壌メタン吸収量の増加トレンド

坂部綾香, 小杉緑子, 高橋けんし, 金澤瑛

日本農業気象学会, Mar 22, 2022
Radial gas diffusion of gas in wood: where does the methane produced in the heartwood of tree trunks go?

Ecological meeting, Mar 15, 2022

Teaching Experience

Apr, 2021 - Present

Experiments of Environmental science2 (University of Hyogo, School of Human Science and Environment)
Apr, 2021 - Present

Experiments of Environmental Science1 (University of Hyogo, School of Human Science and Environment)
Apr, 2021 - Present

Experiment of Environmental Chemistry (University of Hyogo)
Oct, 2019 - Present

生物環境物理学特論 (京都大学農学研究科)
Oct, 2019 - Present

森林水文学専攻実験１・２ (京都大学農学研究科)
Oct, 2019 - Present

森林水文学専攻演習１・２ (京都大学農学研究科)
Oct, 2019 - Present

森林水文・砂防学実験及び実験法 (京都大学農学部)

Research Projects

「真の渦集積法」が明らかにする森林群落スケールのVOC放出能とその環境応答特性

科学研究費助成事業, 基盤研究(B), 日本学術振興会, Apr, 2022 - Mar, 2025

斉藤拓也, 高梨聡, 坂部綾香
Estimation of sporadic CH4 emissions from a riparian wetland in responding to heave rain events

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024
瀬戸内少雨地域のため池が地域的な気象緩和と温室効果ガス放出に及ぼす影響の解明

科学研究費助成事業基盤研究(B), 基盤研究(B), 日本学術振興会, Apr, 2020 - Mar, 2023

奥勇一郎, 坂部綾香, 伊藤雅之
ため池からの温室効果ガス放出量の定量評価と放出機構の解明に関する研究

科学研究費助成事業若手研究, 若手研究, 日本学術振興会, Apr, 2020 - Mar, 2023

坂部綾香
枯死木を含めた樹木が森林における温室効果ガス収支に果たす役割の解明

環境研究助成, 公益財団法人住友財団, Nov, 2021 - Nov, 2022
Eddy accumulation technique for trace gas flux measurements

Grants-in-Aid for Scientific Research Challenging Research (Exploratory), Challenging Research (Exploratory), Japan Society for the Promotion of Science, Jun, 2019 - Mar, 2022

Saito Takuya
Is Tropical Peatland in SE Asia a huge CH4 source?

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021
New insights into the methane emission processes from wetland ecosystems: A concerted activity of atmospheric chemistry and plant ecology researches

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2018 - Mar, 2021

Takahashi Kenshi
地上観測データに基づく広域的な森林メタン収支推定モデルの開発

科学研究費助成事業特別研究員奨励費, 特別研究員奨励費, 日本学術振興会, Apr, 2017 - Mar, 2021

坂部綾香
同位体情報を活用した森林群落スケールのメタン交換量の変動要因の解析

科学研究費助成事業若手研究(B), 若手研究(B), 日本学術振興会, Apr, 2016 - Mar, 2020

坂部綾香
Carbonyl sulfide as a tracer for photosynthesis in a tropical rainforest

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2016 - Mar, 2019

Saito Takuya, Sakabe Ayaka, Musa Samsudin B.
Methane emission from rizosphere to atmosphere through tree stems

Apr, 2017 - Mar, 2018
Application of laser-based CH4 analyzer on canopy scale CH4 flux in tropical peat swamp forest

Apr, 2016 - Mar, 2017
森林生態系におけるメタン動態の解明に向けた樹冠上メタン吸収・放出特性の研究

科学研究費助成事業特別研究員奨励費, 特別研究員奨励費, 日本学術振興会, Apr, 2012 - Mar, 2015

坂部綾香

Profile Information

Research Areas

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Awards

Papers

Misc.

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Teaching Experience

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