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4. TAKAHASHI Yoshiyuki

Researcher Name

TAKAHASHI Yoshiyuki

Div (Section) name/title

Earth System Division(Office for Terrestrial Monitoring)/Head

Research Subject

Study on atmosphere-terrestrial biosphere exchange of CO2 and other trace gases

Degree(s)

Doctor of Science

Professional Qualification(s)

Chemistry,Earth Science,Biology

Environmental Speciality Field

global warming,carbon cycle,biogeochemistry

Keyword(s)

isotope analysis,GC analysis,meteorological observation,chemical tracers,technical development,field observation

Brief Description of Research

I make a research into a carbon cycle processes in atmosphere and terrestrial biosphere using chemical tracers (trace gases and isotopes). Technical development of field-observation and lab-analyses are also my important research theme.

Career

1990 Bachelor of Science, Nagoya Univ., Dept. of Sci., School of chemistry
1992 Master of Science, Nagoya Univ., Institute of Hydrospheric-Atmospheric Sciences
2000 Doctor of Science, Nagoya Univ.

Membership of Academic Society

The Geochemical Society of Japan,American Geophysical Union,Ecological Society of Japan,Japanese Society for Atmospheric Environment,The Society of Agricultural Meteorology of Japan

Research Subject

• Fiscal Year: 2025
  • 27188 : Climate Change and Air Quality Research Program
  • 27203 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
  • 27244 : Earth System Domain: Foresight and Advanced Basic Research
  • 27413 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2024
  • 26799 : Climate Change and Air Quality Research Program
  • 26815 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
  • 26859 : Earth System Domain: Foresight and Advanced Basic Research
  • 27102 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2023
  • 26400 : Climate Change and Air Quality Research Program
  • 26409 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
  • 26450 : Earth System Domain: Foresight and Advanced Basic Research
  • 26587 : Terrestrial Monitoring
  • 26590 : Development of New Biological and Environmental Monitoring Methods in Forest Ecosystems
  • 26593 : Long-term, wide-area observations of the effects of climate change-induced ecosystem disturbances on forest carbon sequestration and development of a risk map
  • 26654 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2022
  • 25964 : Climate Change and Air Quality Research Program
  • 25965 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
  • 26006 : Earth System Domain: Foresight and Advanced Basic Research
  • 26264 : Atmospheric and Oceanic Monitoring
  • 26358 : Terrestrial Monitoring
• Fiscal Year: 2021
  • 25498 : Climate Change and Air Quality Research Program
  • 25506 : Quantitative evaluation of natural and anthropogenic sinks and sources of greenhouse gases at global scale
  • 25655 : Earth System Domain: Foresight and Advanced Basic Research
  • 25821 : Application of methods for biological and environmental monitoring of forest ecosystem
  • 25822 : Elucidation of the synergistic environmental impact of summer heavy rainfall formation and air pollution in mountainous areas
  • 25824 : Terrestrial Monitoring
  • 25833 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2020
  • 25113 : Long-term Monitoring and Database for Global Environmental Research and Supporting for Related Activities
  • 25128 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
  • 25321 : Terrestrial Monitoring
  • 25411 : Atmospheric and Oceanic Monitoring
  • 25432 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts
  • 25459 : Application of methods for biological and environmental monitoring of forest ecosystem
• Fiscal Year: 2019
  • 24708 : Study on Multi-scale Evaluation System for GHG Variation and Mitigation
  • 24745 : Long-term Monitoring and Database for Global Environmental Research and Supporting for Related Activities
  • 24888 : Terrestrial Monitoring
  • 24889 : Comprehensive evaluation of CH4 and N2O release from oil palm plantation
  • 24890 : Application of methods for biological and environmental monitoring of forest ecosystem
  • 25019 : Atmospheric and Oceanic Monitoring
  • 25056 : Research into Observation, Monitoring and Detection of Climate Change and Resultant Impacts
• Fiscal Year: 2018
  • 24291 : Study on multi-scale evaluation system for GHG variation and mitigation
  • 24315 : Long-term monitoring and database for global environmental research and supporting for related activities
  • 24545 : Establishment of methods for biological and environmental monitoring of forest ecosystem
  • 24548 : Terrestrial Monitoring
  • 24550 : Comprehensive evaluation of CH4 and N2O release from oil palm plantation
  • 24578 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2017
  • 23837 : Study on multi-scale evaluation system for GHG variation and mitigation
  • 23877 : Long-term monitoring and database for global environmental research and supporting for related activities
  • 24062 : Terrestrial Monitoring
  • 24063 : Establishment of methods for biological and environmental monitoring of forest ecosystem
  • 24136 : Comprehensive evaluation of CH4 and N2O release from oil palm plantation
  • 24146 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2016
  • 23399 : Study on multi-scale evaluation system for GHG variation and mitigation
  • 23470 : Long-term monitoring and database for global environmental research and supporting for related activities
  • 23664 : Terrestrial Monitoring
  • 23688 : Establishment of methods for biological and environmental monitoring of forest ecosystem
  • 23714 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
  • 23735 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2015
  • 22992 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
  • 23026 : Long-term monitoring and database for global environmental research and supporting for related activities
  • 23190 : Atmospheric and Oceanic Monitoring
  • 23249 : Terrestrial Monitoring
  • 23251 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
  • 23270 : Evaluation of Soil CO2 Efflux of Asian Forest Ecosystems based on an Automated Chamber Network
• Fiscal Year: 2014
  • 22580 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
  • 22614 : Long-term monitoring and database for global environmental research and supporting for related activities
  • 22638 : Terrestrial Monitoring
  • 22671 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
  • 22675 : Capcity building for Asian terrestrial carbon budget moitoring network
  • 22851 : The potential of carbon sink/source of Japanese Forest soils
  • 22920 : Atmospheric and Oceanic Monitoring
• Fiscal Year: 2013
  • 22164 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
  • 22198 : Long-term monitoring and database for global environmental research and supporting for related activities
  • 22379 : Atmospheric and Oceanic Monitoring
  • 22391 : Terrestrial Monitoring
  • 22522 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
• Fiscal Year: 2012
  • 21735 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
  • 21769 : Long-term Monitoring and database for Global Environmental Research and supporting for related activities
  • 21922 : Terrestrial Monitoring
  • 21924 : Asia GEO Grid Initiative
  • 21930 : Study on an advanced estimation of carbon cycle in terrestrial ecosystems based on sensor-networks and automatic analysing systems
  • 22118 : Atmospheric and Oceanic Monitoring
  • 22138 : Development of GHG observation by GOSAT and its data analysis
• Fiscal Year: 2011
  • 21284 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
  • 21327 : Long-term Monitoring and database for Global Environmental Research and supporting for related activities
  • 21372 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
  • 21373 : Asia GEO Grid Initiative
  • 21382 : Terrestrial Monitoring
  • 21595 : Atmospheric and Oceanic Monitoring
  • 21724 : Research and Development for measurement technique of CO2 sink and emission by forest area
• Fiscal Year: 2010
  • 21025 : Terrestrial Monitoring
  • 21026 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
  • 21092 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
  • 21128 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
  • 21238 : Basic research on usage of chemical tracers in studies of atmosphere-terrestrial biosphere CO2 exchange
• Fiscal Year: 2009
  • 20608 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
  • 20650 : Terrestrial Monitoring
  • 20651 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
  • 20721 : A quantitative analysis of the mechanisms of soil organic carbon accumulation and an experimental evaluation of their effects on climate change
  • 20732 : Evaluation of the Effect of Global Warming on Soil Respiration of Japanese Forest Ecosystems
  • 20741 : Basic research on usage of chemical tracers in studies of atmosphere-terrestrial biosphere CO2 exchange
• Fiscal Year: 2008
  • 20160 : Terrestrial Monitoring
  • 20168 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
  • 20283 : Basic research on usage of chemical tracers in studies of atmosphere-terrestrial biosphere CO2 exchange
  • 20307 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
• Fiscal Year: 2007
  • 10412 : Studies on exchange of trace gases and stable isotope of atmospheric CO2 between atmosphere and terrestrial ecosystem
  • 10484 : Development of isotope/trace gases observation method for CO2 flux partitioning
  • 10548 : Initiation of the next-generation AsiaFlux
  • 10574 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
  • 10595 : Terrestrial Monitoring
  • 10748 : Long-term Monitoring of Terrestrial Ecosystems and Promoting the Data Networking to Observe Carbon Cycles in Asia
• Fiscal Year: 2006
  • 10066 : A study on transportation of atmospheric CO2 by high-frequency observation in the continental planetary boudary layer.
  • 10136 : Studies on exchange of trace gases and stable isotope of atmospheric CO2 between atmosphere and terrestrial ecosystem
  • 10220 : Observation of exchange processes of trace gas species and carbon stable isotope of atmospheric CO2 on plant leaf under natural environment
  • 10227 : Development of isotope/trace gases observation method for CO2 flux partitioning
  • 10307 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
  • 10328 : Terrestrial Monitoring
• Fiscal Year: 2005
  • 9328 : Global Environmental Monitoring
  • 9537 : A study on transportation of atmospheric CO2 by high-frequency observation in the continental planetary boudary layer.
  • 9639 : Studies on exchange of trace gases and stable isotope of atmospheric CO2 between atmosphere and terrestrial ecosystem
• Fiscal Year: 2004
  • 8935 : Global Environmental Monitoring
  • 8965 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
  • 9053 : Studies on exchange of greenhouse gases between atmosphere and terrestrial ecosystem
  • 9133 : Studies on temporal variability in isotopic signature during CO2 exchange between atmosphere and Larch forest ecosystem
  • 9288 : A study on transportation of atmospheric CO2 by high-frequency observation in the continental planetary boudary layer.
• Fiscal Year: 2003
  • 8599 : Global Environmental Monitoring
  • 8660 : Estimation of CO2 absorption in a scale from indivisual forest to sub-continent through the observation in planetary boundary layer.
  • 8661 : Analysis of temporal variability of global CO2 sink by using oxygen and isotope ratio in the atmosphere
  • 8677 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
  • 8772 : Studies on exchange of greenhouse gases between atmosphere and terrestrial ecosystem
  • 8849 : Studies on temporal variability in isotopic signature during CO2 exchange between atmosphere and Larch forest ecosystem
• Fiscal Year: 2002
  • 8306 : Global Environmental Monitoring
  • 8322 : Studies on carbon fixtation in the Eastern Asian ecosystem based on AsiaFlux Network. (3) Studies on Establishement of Flux-Network in the Eastern Asian Ecosystem.
  • 8350 : Study on carbon fixation in the Eastern Asian ecosystem based on the establishment of Asia Flux Network (2) Study on evaluation of material flow using isotope measurement in ecosystem
  • 8443 : Estimation of CO2 absorption in a scale from indivisual forest to sub-continent through the observation in planetary boundary layer.
  • 8444 : Analysis of temporal variability of global CO2 sink by using oxygen and isotope ratio in the atmosphere
  • 8461 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.
• Fiscal Year: 2001
  • 8000 : Global Environmental Monitoring
  • 8029 : B-3 Studies on carbon fixtation in the Eastern Asian Ecosystem based on AsiaFlux Network.(sub)Studies on Establishement of Flux-Network in the Eastern Asian Ecosystem.
  • 8035 : Studies on behavior of greenhouse gases in the troposphere using isotope measurements
  • 8103 : B-3 Study on carbon fixation in the Eastern Asian Ecosystem based on the establishment of Asia Flux Network Study on evaluation of material flow using isotope measurement in ecosystem
  • 8226 : Estimation of CO2 absorption in a scale from indivisual forest to sub-continent through the observation in planetary boundary layer.
  • 8227 : Analysis of temporal variability of global CO2 sink by using oxygen and isotope ratio in the atmosphere
  • 8240 : Transport process of atmospheric carbon dioxide between planetary boundary layer and free troposphere.

Research Result (Publication)

• all
• Original Paper

• Original Paper
  Assessment of the Applicability of Hue from In Situ Spectral Measurements to Remote Sensing of Plant Phenology

  Presenter : Mizuno Y., Sasagawa T., Takahashi Y., Ide R., Kobayashi T., Muraoka H., Takagi K., Ono K., Nasahara K. N.
  Title : , Remote Sensing, 17(16): (2025)
• Original Paper
  The JapanFlux2024 dataset for eddy covariance observations covering Japan and East Asia from 1990 to 2023

  Presenter : Ueyama M., Takao U., Tanaka M., Yabuki H., Kumagai T., Iwata H., Awal M.A., Du M., Harazono Y., Hata Y., Hirao T., Hiura T., Ide R., Ishida S., Ishikawa M., Kitamura K., Kominami Y., Komiya S., Kotani A., Inoue Y., Machimura T., Matsumoto K., Matsuura Y., Mizoguchi Y., Murayama S., Nagano H., Nakai T., Nakaji T., Nakaya K., Ohkubo S., Ohta T., Ono K., Saitoh T.M., Sakabe A...., Shimizu T., Shimoda S., Sugita M., Takagi K., Takahashi Y., Takamura N., Takanashi S., Takimoto T., Yasuda Y., Asanuma J., Hasegawa H., Hiyama T., Iijima Y., Ishidoya S., Itoh M., Kato T., Kondo H., Kosugi Y., Kume T., Maeda T., Matsuura S., Maximov T., Miyama T., Moriwaki R., Muraoka H., Petrov R., Suzuki J., Taniguchi S., Ichii K.
  Title : , Earth System Science Data, 17(8):3807-3833 (2025)
• Original Paper
  Dissolved N2O concentrations in oil palm plantation drainage in a peat swamp of Malaysia Author links open overlay panel

  Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Terajima K., Waili J.W.B., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
  Title : , Science of The Total Environment, 872:162062 (2023)
• Original Paper
  Source Contributions to Multiple Toxic Potentials of Atmospheric Organic Aerosols

  Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
  Title : , Science of the Total Environment, 773(145614):1-10 (2021)
• Original Paper
  Constraining models for methane oxidation based on long-term continuous chamber measurements in a temperate forest soil

  Presenter : Ueyama M., Fujimoto A., Ito A., Takahashi Y., Ide R.
  Title : , Agricultural and Forest Meteorology, 310:108654 (2021)
• Original Paper
  Seasonal variation of monoterpene emissions from forest floor and its contribution to whole canopy flux in a Larix kaempferi forest

  Presenter : Mochizuki T., Ujihara M., Takahashi Y., Kobayashi H., Tani A.
  Title : , Geochemical Journal, 55:313-324 (2021)
• Original Paper
  Environmental Controls of Diffusive and EbullitiveMethane Emissions at a Subdaily Time Scale inthe Littoral Zone of a Midlatitude Shallow Lake

  Presenter : Taoka T., Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M.
  Title : , Journal of Geophysical Research: Biogeosciences, 125:e2020JG005753 (2020)
• Original Paper
  Temporal and spatial variations in methane emissions from the littoral zone of a shallow mid-latitude lake with steady methane bubble emission areas

  Presenter : Iwata H., Nakazawa K., Sato H., Itoh M., Miyabara Y., Hirata R., Takahashi Y., Tokida T., Endo R.
  Title : , Agricultural and Forest Meteorology, 295:108184 (2020)
• Original Paper
  Large-scale ecological field data for satellite validation in deciduous forests and grasslands

  Presenter : Akitsu T.K., Nakaji T., Kobayashi H., Okano T., Honda Y., Bayarsaikhan U., Terigele, Hayashi M., Hiura T., Ide R., Igarashi S., Kajiwara K., Kumikawa S., Matsuoka Y., Nakano T., Nakano T., Okuda A., Sato T., Tachiiri K., Takahashi Y., Uchida J., Nasahara K.N.
  Title : , Ecological Research, 35(6):1010-1028 (2020)
• Original Paper
  Enhanced understory carbon flux components and robustness of net CO2 exchange after thinning in a larch forest in central Japan

  Presenter : Teramoto M., Liang N., Takahashi Y., Zeng J., Saigusa N., Ide R., Zhao X.
  Title : , Agricultural and Forest Meteorology, 274:106-117 (2019)
• Original Paper
  Observation of vertical profiles of NO, O3, and VOCs to estimate their sources and sinks by inverse modelling in a Japanese larch forest.

  Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
  Title : , Journal of Agricultural Meteorology, in press (2019)
• Original Paper
  Identification of secondary fatty alcohols in atmosphericaerosols in temperate forests

  Presenter : Miyazaki Y., Gowda D., Tachibana E., Takahashi Y., Hiura T.
  Title : , Biogeosciences, 16:2181-2188 (2019)
• Original Paper
  Partitioning Eddy-Covariance Methane Fluxes from a Shallow Lake into Diffusive and Ebullitive Fluxes

  Presenter : Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M., Iizuka K.
  Title : , Boundary-Layer Meteorology, 169(3):413-428 (2018)
• Original Paper
  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

  Presenter : Teramoto M., Liang N., Zeng J., Saigusa N., Takahashi Y.
  Title : , Agricultural and Forest Meteorology (2017)
• Original Paper
  Secondary formation of oxalic acid and related organic species from biogenic sources in a larch forest at the northern slope of Mt. Fuji

  Presenter : Mochizuki T., Kawamura K., Miyazaki Y., Wada R., Takahashi Y., Saigusa N., Tani A.
  Title : , Atmospheric Environment, 166:255-262 (2017)
• Original Paper
  Continuous measurements of stable isotopes of carbon dioxide and water vapour in an urban atmosphere: isotopic variations associated with meteorological conditions

  Presenter : Wada R., Matsumi Y., Nakayama T., Hiyama T., Fujiyoshi Y., Kurita N., Muramoto K., Takanashi S., Kodama N., Takahashi Y.
  Title : , Isotopes in Environmental and Health Studies, 1-14 (2017)
• Original Paper
  Spatial and seasonal variations of CO2 flux and photosynthetic and respiratory parameters of larch forests in East Asia

  Presenter : Takagi K., Hirata R., Ide R., Ueyama M., Ichii K., Saigusa N., Hirano T., Asanuma J., Li S.G., Machimura T., Nakai Y., Ohta T., Takahashi Y.
  Title : , Soil Science and Plant Nutrition, 61:61-75 (2015)
• Original Paper
  Methane uptake in a temperate forest soil using continuous closed-chamber measurements

  Presenter : Ueyama M., Takeuchi R., Takahashi Y., Ide R., Ataka M., Kosugi Y., Takahashi K., Saigusa N.
  Title : , Agricultural and Forest Meteorology, 213:1-9 (2015)
• Original Paper
  Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in the foothills of a high mountain

  Presenter : Takahashi Y., Saigusa N., Hirata R., Ide R., Fujinuma Y., Okano T., Arase T.
  Title : , Journal of Agricultural Meteorology, 71(4):302-317 (2015)
• Original Paper
  Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a Larix campfire forest

  Presenter : Mochizuki T., Miyazaki Y., Ono K., Wada R., Takahashi Y., Saigusa N., Kawamura K., Tani A.
  Title : , Atmospheric Chemistry and Physic, 15:1-13 (2015)
• Original Paper
  Long-term measurement of terpenoid flux above a Larix kaempferi forest using a relaxed eddy accumulation method

  Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N., Ueyama M.
  Title : , Atmospheric Environment, 83:53-61 (2014)
• Original Paper
  Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest

  Presenter : Aguilos M., Takagi K., Liang N., Ueyama M., Fukuzawa K., Nomura M., Kishida O., Fukazawa T., Takahashi H., Kotsuka C., Sakai R., Ito K., Watanabe Y., Fujinuma Y., Takahashi Y., Murayama T., Saigusa N., Sasa K.
  Title : , Agricultural and Forest Meteorology, 197:26-39 (2014)
• Original Paper
  Inferring methane fluxes at a larch forest using Lagrangian, Eulerian, and hybrid inverse models

  Presenter : Ueyama M., Takanashi S., Takahashi Y.
  Title : , Journal of Geophysical Research:Biogeosciences, 119(10):2018-2031 (2014)
• Original Paper
  High-precision measurements of the methane flux over a larch forest based on a hyperbolic relaxed eddy accumulation method using a laser spectrometer

  Presenter : Ueyama M., Takai Y., Takahashi Y., Ide R., Hamotani K., Kosugi Y., Takahashi K., Saigusa N.
  Title : , Agricultural and Forest Meteorology, 178-179:183-193 (2013)
• Original Paper
  Sustained large stimulation of soil heterotrophic respiration rate and its temperature sensitivity by soil warming in a cool-temperate forested peatland

  Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Teramoto M., Goto S., Takahashi Y., Mukai H., Sasa K.
  Title : , Tellus B, 65:20792 (2013)
• Original Paper
  Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

  Presenter : UEYAMA M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
  Title : , Theoretical and Applied Climatology (2012)
• Original Paper
  Influences of various calculation options on heat, water and carbon fluxes determined by open- and closed-path eddy covariance methods

  Presenter : Ueyama M., Hirata R., Mano M., Hamotani K., Harazono Y., Hirano T., Miyata A., Takagi K., Takahashi Y.
  Title : , Tellus B, 64(19048):1-26 (2012)
• Original Paper
  Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

  Presenter : Ueyama M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
  Title : , Theoretical and Applied Climatology, 109:461-472 (2012)
• Original Paper
  Soil warming in a cool-temperate mixed forest with peat soil enhanced heterotrophic and basal respiration rates but Q10 remained unchanged

  Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Goto S., Takahashi Y., Mukai H., K. Sasa.
  Title : , Biogeosciences Discussions, 8:6415-6445 (2011)
• Original Paper
  Simulating carbon and water cycles of larch forests in East Asia by the BIOME-BGC model with AsiaFlux data

  Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
  Title : , Biogeosciences, 7:959-977 (2010)
• Original Paper
  Change in CO2 balance under a series of forestry activities in a cool-temperate mixed forest with dense undergrowth

  Presenter : Takagi K., Fukuzawa K., Liang N., Kayama M., Nomura M., Hojyo H., Sugata S., Shibata H., Fukazawa T., Takahashi Y., Nakaji T., Oguma H., Mano M., Akibayashi Y., Murayama T., Koike T., Sasa K., Fujinuma Y.
  Title : , Glob.Change Biol., 15(5):1275-1288 (2009)
• Original Paper
  Variability in carbon stable isotope ratio of heterotrophic respiration in a deciduous needle-leaf forest

  Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
  Title : , J.Geophys.Res., 113:G01022 (2008)
• Original Paper
  Development of chamber-based sampling technique for determination of carbon stable isotope ratio of soil respired CO2 and evaluation of influence of CO2 enrichment in chamber headspace

  Presenter : Takahashi Y., Liang N.
  Title : , Geochem.J., 41(6):493-500 (2007)
• A problem in the determination of trihalomethane by headspace-gas chromatography/mass spectrometry

  Presenter : Takahashi Y.(*1)(*2), Onodera S.(*3), Morita M.
  Title : , J.Health Sci., 49(1):1-7 (2003)
• Concentrations and compositions of halogenated disinfection by-products in drinking water after passing through a receiving tank and an elevated tank

  Presenter : Takahashi Y.(*1)(*2), Onodera S.(*3), Morita M.
  Title : , Environ.Sci., 10(5):247-259 (2003)
• Variations in atmospheric nitrous oxide observed at Hateruma monitoring station

  Presenter : Tohjima Y., Mukai H., Maksyutov S., Takahashi Y., Machida T., Katsumoto M., Fujinuma Y.
  Title : , Chemosphere-Global Change Sci., 2:435‐443 (2000)
• Increases in the mRNA Levels of r-Glutamyltransferase and Heme Oxygenase-l in the Rat Lung after Ozone Exposure

  Presenter : , , TAKAHASHI Yoshiyuki
  Title : , Biochem.Pharmacol., 53:1061‐1064 (1998)
• Vitamin A is involved in maintenance of epithelial cells on the bronchioles and cells in the alveoli rats

  Presenter : TAKAHASHI Yoshiyuki
  Title : , J.NUTR., 123(4):634‐641 (1993)
• Electron-microscopic evidence for cytochrome P-450 in clara cells and type 1 pneumocytes of the rat lung

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Respiration, 59:201‐210 (1992)
• Alteration in surface structure of Clara sells and pulmonary cytochrome P-450b level in rats exposed to ozone

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Toxicology, 71:223‐232 (1992)
• A decrease in serum retinol by in vivo exposures of rats to ozone

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Int.J.Vit.Nutr.Res., 60:294‐295 (1990)
• Responses of cytochrome P-450 isozymes of rat lung to in vivo exposure to ozone

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Toxicol.Lett., 54:327‐335 (1990)
• The induction by monochlorodibenzofuran isomers of xenobiotic metabolizing systems in cell lines derived from rat and human hepatoma

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Toxic.in Vitro, 4(3):185‐192 (1990)
• Effects of nitrogen dioxide and ozone in combination on xenobiotic metabolizing activities of rat lungs

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Toxicology, 56:253‐262 (1989)
• A selective decrease in the xenobiotic metabolizing activity of rat lungs by nitrogen dioxide exposures

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Toxicology, 54:281‐296 (1989)
• A Selective enhancement of xenobiotic metabolizing systems of rat lungs by prolonged exposured to ozone

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Environ.Res., 42(2):425‐434 (1987)
• Activation and increment of alveolar macrophages induced by nitrogen dioxide

  Presenter : , TAKAHASHI Yoshiyuki
  Title : , J.Toxicol.Environ.Health, 17:229‐239 (1986)
• Subacute effects of nitrogen dioxide on membrane constituents of lung, liver, and kidney of rats

  Presenter : , TAKAHASHI Yoshiyuki
  Title : , Environ.Res., 41(1):184‐194 (1986)
• In vivo effect of ozone inhalation on xenobiotic metabolism of lung and liver of rats

  Presenter : TAKAHASHI Yoshiyuki
  Title : , J.Toxicol.Environ.Health, 15:855‐864 (1985)
• In vivo effects of nitrogen dioxide and ozone on xenobiotic metabolizing systems of rat lungs

  Presenter : TAKAHASHI Yoshiyuki
  Title : , Toxicol.Lett., 26:145‐152 (1985)

• Assessment of the Applicability of Hue from In Situ Spectral Measurements to Remote Sensing of Plant Phenology

  Presenter : Mizuno Y., Sasagawa T., Takahashi Y., Ide R., Kobayashi T., Muraoka H., Takagi K., Ono K., Nasahara K. N.
  Title : , Remote Sensing, 17(16): (2025)
• The JapanFlux2024 dataset for eddy covariance observations covering Japan and East Asia from 1990 to 2023

  Presenter : Ueyama M., Takao U., Tanaka M., Yabuki H., Kumagai T., Iwata H., Awal M.A., Du M., Harazono Y., Hata Y., Hirao T., Hiura T., Ide R., Ishida S., Ishikawa M., Kitamura K., Kominami Y., Komiya S., Kotani A., Inoue Y., Machimura T., Matsumoto K., Matsuura Y., Mizoguchi Y., Murayama S., Nagano H., Nakai T., Nakaji T., Nakaya K., Ohkubo S., Ohta T., Ono K., Saitoh T.M., Sakabe A...., Shimizu T., Shimoda S., Sugita M., Takagi K., Takahashi Y., Takamura N., Takanashi S., Takimoto T., Yasuda Y., Asanuma J., Hasegawa H., Hiyama T., Iijima Y., Ishidoya S., Itoh M., Kato T., Kondo H., Kosugi Y., Kume T., Maeda T., Matsuura S., Maximov T., Miyama T., Moriwaki R., Muraoka H., Petrov R., Suzuki J., Taniguchi S., Ichii K.
  Title : , Earth System Science Data, 17(8):3807-3833 (2025)
• Dissolved N2O concentrations in oil palm plantation drainage in a peat swamp of Malaysia Author links open overlay panel

  Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Terajima K., Waili J.W.B., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
  Title : , Science of The Total Environment, 872:162062 (2023)
• Source Contributions to Multiple Toxic Potentials of Atmospheric Organic Aerosols

  Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
  Title : , Science of the Total Environment, 773(145614):1-10 (2021)
• Constraining models for methane oxidation based on long-term continuous chamber measurements in a temperate forest soil

  Presenter : Ueyama M., Fujimoto A., Ito A., Takahashi Y., Ide R.
  Title : , Agricultural and Forest Meteorology, 310:108654 (2021)
• Seasonal variation of monoterpene emissions from forest floor and its contribution to whole canopy flux in a Larix kaempferi forest

  Presenter : Mochizuki T., Ujihara M., Takahashi Y., Kobayashi H., Tani A.
  Title : , Geochemical Journal, 55:313-324 (2021)
• Environmental Controls of Diffusive and EbullitiveMethane Emissions at a Subdaily Time Scale inthe Littoral Zone of a Midlatitude Shallow Lake

  Presenter : Taoka T., Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M.
  Title : , Journal of Geophysical Research: Biogeosciences, 125:e2020JG005753 (2020)
• Temporal and spatial variations in methane emissions from the littoral zone of a shallow mid-latitude lake with steady methane bubble emission areas

  Presenter : Iwata H., Nakazawa K., Sato H., Itoh M., Miyabara Y., Hirata R., Takahashi Y., Tokida T., Endo R.
  Title : , Agricultural and Forest Meteorology, 295:108184 (2020)
• Large-scale ecological field data for satellite validation in deciduous forests and grasslands

  Presenter : Akitsu T.K., Nakaji T., Kobayashi H., Okano T., Honda Y., Bayarsaikhan U., Terigele, Hayashi M., Hiura T., Ide R., Igarashi S., Kajiwara K., Kumikawa S., Matsuoka Y., Nakano T., Nakano T., Okuda A., Sato T., Tachiiri K., Takahashi Y., Uchida J., Nasahara K.N.
  Title : , Ecological Research, 35(6):1010-1028 (2020)
• Enhanced understory carbon flux components and robustness of net CO2 exchange after thinning in a larch forest in central Japan

  Presenter : Teramoto M., Liang N., Takahashi Y., Zeng J., Saigusa N., Ide R., Zhao X.
  Title : , Agricultural and Forest Meteorology, 274:106-117 (2019)
• Observation of vertical profiles of NO, O3, and VOCs to estimate their sources and sinks by inverse modelling in a Japanese larch forest.

  Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
  Title : , Journal of Agricultural Meteorology, in press (2019)
• Identification of secondary fatty alcohols in atmosphericaerosols in temperate forests

  Presenter : Miyazaki Y., Gowda D., Tachibana E., Takahashi Y., Hiura T.
  Title : , Biogeosciences, 16:2181-2188 (2019)
• Partitioning Eddy-Covariance Methane Fluxes from a Shallow Lake into Diffusive and Ebullitive Fluxes

  Presenter : Iwata H., Hirata R., Takahashi Y., Miyabara Y., Itoh M., Iizuka K.
  Title : , Boundary-Layer Meteorology, 169(3):413-428 (2018)
• 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

  Presenter : Teramoto M., Liang N., Zeng J., Saigusa N., Takahashi Y.
  Title : , Agricultural and Forest Meteorology (2017)
• Secondary formation of oxalic acid and related organic species from biogenic sources in a larch forest at the northern slope of Mt. Fuji

  Presenter : Mochizuki T., Kawamura K., Miyazaki Y., Wada R., Takahashi Y., Saigusa N., Tani A.
  Title : , Atmospheric Environment, 166:255-262 (2017)
• Continuous measurements of stable isotopes of carbon dioxide and water vapour in an urban atmosphere: isotopic variations associated with meteorological conditions

  Presenter : Wada R., Matsumi Y., Nakayama T., Hiyama T., Fujiyoshi Y., Kurita N., Muramoto K., Takanashi S., Kodama N., Takahashi Y.
  Title : , Isotopes in Environmental and Health Studies, 1-14 (2017)
• Spatial and seasonal variations of CO2 flux and photosynthetic and respiratory parameters of larch forests in East Asia

  Presenter : Takagi K., Hirata R., Ide R., Ueyama M., Ichii K., Saigusa N., Hirano T., Asanuma J., Li S.G., Machimura T., Nakai Y., Ohta T., Takahashi Y.
  Title : , Soil Science and Plant Nutrition, 61:61-75 (2015)
• Methane uptake in a temperate forest soil using continuous closed-chamber measurements

  Presenter : Ueyama M., Takeuchi R., Takahashi Y., Ide R., Ataka M., Kosugi Y., Takahashi K., Saigusa N.
  Title : , Agricultural and Forest Meteorology, 213:1-9 (2015)
• Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in the foothills of a high mountain

  Presenter : Takahashi Y., Saigusa N., Hirata R., Ide R., Fujinuma Y., Okano T., Arase T.
  Title : , Journal of Agricultural Meteorology, 71(4):302-317 (2015)
• Emissions of biogenic volatile organic compounds and subsequent formation of secondary organic aerosols in a Larix campfire forest

  Presenter : Mochizuki T., Miyazaki Y., Ono K., Wada R., Takahashi Y., Saigusa N., Kawamura K., Tani A.
  Title : , Atmospheric Chemistry and Physic, 15:1-13 (2015)
• Long-term measurement of terpenoid flux above a Larix kaempferi forest using a relaxed eddy accumulation method

  Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N., Ueyama M.
  Title : , Atmospheric Environment, 83:53-61 (2014)
• Dynamics of ecosystem carbon balance recovering from a clear-cutting in a cool-temperate forest

  Presenter : Aguilos M., Takagi K., Liang N., Ueyama M., Fukuzawa K., Nomura M., Kishida O., Fukazawa T., Takahashi H., Kotsuka C., Sakai R., Ito K., Watanabe Y., Fujinuma Y., Takahashi Y., Murayama T., Saigusa N., Sasa K.
  Title : , Agricultural and Forest Meteorology, 197:26-39 (2014)
• Inferring methane fluxes at a larch forest using Lagrangian, Eulerian, and hybrid inverse models

  Presenter : Ueyama M., Takanashi S., Takahashi Y.
  Title : , Journal of Geophysical Research:Biogeosciences, 119(10):2018-2031 (2014)
• High-precision measurements of the methane flux over a larch forest based on a hyperbolic relaxed eddy accumulation method using a laser spectrometer

  Presenter : Ueyama M., Takai Y., Takahashi Y., Ide R., Hamotani K., Kosugi Y., Takahashi K., Saigusa N.
  Title : , Agricultural and Forest Meteorology, 178-179:183-193 (2013)
• Sustained large stimulation of soil heterotrophic respiration rate and its temperature sensitivity by soil warming in a cool-temperate forested peatland

  Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Teramoto M., Goto S., Takahashi Y., Mukai H., Sasa K.
  Title : , Tellus B, 65:20792 (2013)
• Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

  Presenter : UEYAMA M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
  Title : , Theoretical and Applied Climatology (2012)
• Influences of various calculation options on heat, water and carbon fluxes determined by open- and closed-path eddy covariance methods

  Presenter : Ueyama M., Hirata R., Mano M., Hamotani K., Harazono Y., Hirano T., Miyata A., Takagi K., Takahashi Y.
  Title : , Tellus B, 64(19048):1-26 (2012)
• Continuous measurement of methane flux over a larch forest using a relaxed eddy accumulation method

  Presenter : Ueyama M., Hamotani K., Nishimura W., Takahashi Y., Saigusa N., Ide R.
  Title : , Theoretical and Applied Climatology, 109:461-472 (2012)
• Soil warming in a cool-temperate mixed forest with peat soil enhanced heterotrophic and basal respiration rates but Q10 remained unchanged

  Presenter : Aguilos M., Takagi K., Liang N., Watanabe Y., Goto S., Takahashi Y., Mukai H., K. Sasa.
  Title : , Biogeosciences Discussions, 8:6415-6445 (2011)
• Simulating carbon and water cycles of larch forests in East Asia by the BIOME-BGC model with AsiaFlux data

  Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
  Title : , Biogeosciences, 7:959-977 (2010)
• Change in CO2 balance under a series of forestry activities in a cool-temperate mixed forest with dense undergrowth

  Presenter : Takagi K., Fukuzawa K., Liang N., Kayama M., Nomura M., Hojyo H., Sugata S., Shibata H., Fukazawa T., Takahashi Y., Nakaji T., Oguma H., Mano M., Akibayashi Y., Murayama T., Koike T., Sasa K., Fujinuma Y.
  Title : , Glob.Change Biol., 15(5):1275-1288 (2009)
• Variability in carbon stable isotope ratio of heterotrophic respiration in a deciduous needle-leaf forest

  Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
  Title : , J.Geophys.Res., 113:G01022 (2008)
• Development of chamber-based sampling technique for determination of carbon stable isotope ratio of soil respired CO2 and evaluation of influence of CO2 enrichment in chamber headspace

  Presenter : Takahashi Y., Liang N.
  Title : , Geochem.J., 41(6):493-500 (2007)

Research Result (Presentation)

• all
• Research Presentation
• Research Lecture

• Research Presentation
  Changes in water quality and greenhouse gas emissions in a pond system for treatment of palm oil mill effluent (POME)

  Presenter : Onodera T., Takahashi Y., Nishina K., Hirata R., Waili J.W. , Kiew F. , Wong G.X., Melling L.
  Name of Society : 12th IWA International Symposium on Waste Management Problems in Agro-Industries- AGRO'2025 (2025)
  Name of Proceedings : Abstracts
• Research Presentation
  Monitoring The Drought Impact On A Larch Forest With Solar-Induced Chlorophyll Fluorescence

  Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y.
  Name of Society : 9th GEWEX Open Science Meeting 2024 (2024)
  Name of Proceedings : -
• Research Presentation
  The response of heterotrophic CO2 flux to estimation of long-term soil warming in a cool-temperate foreseted peatland

  Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
  Name of Society : 日本農業気象学会 2024年大会 (2024)
  Name of Proceedings : 講演要旨, 227
• Research Presentation
  Full-spectral observation of leaf-level chlorophyll fluorescence to bridge the gap between tower and satellite observed solar-induced chlorophyll fluorescence (SIF) in a temperate deciduous forest and a subtropical evergreen forest in Japan

  Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Takahashi Y., Matsumoto K.
  Name of Society : The iLEAPS – OzFlux Joint Conference 2023 (2023)
  Name of Proceedings : Abstracts
• Research Presentation
  Detection of midday depression with canopy-level solar-induced chlorophyll fluorescence and gross primary productivity: impact of heat extreme events in a deciduous needle-leaved forest

  Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
  Name of Society : AGU23 (American Geophysical Union Annual Meeting 2023) (2023)
  Name of Proceedings : -
• Research Presentation
  Seasonal pattern of solar-induced chlorophyll fluorescence in three forest types observed on multiple platforms

  Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y., Muraoka H., Matsumoto K.
  Name of Society : Asiaflux 2023 (2023)
  Name of Proceedings : Abstracts
• Research Presentation
  17 Years of Monitoring CO2 Flux in Japanese Larch Plantation Forests

  Presenter : Takahashi Y., Ide R., Yamao Y.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts
• Research Presentation
  Seven-year variability in methane release from a shallow eutrophic lake in Japan

  Presenter : Yamada M., Iwata H., Park H.D., Sawano K., Hirata R., Takahashi Y.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts
• Research Presentation
  An approach to estimate forest NEP including ecosystem disturbances using long-term flux observation in Japan

  Presenter : Kominami Y., Hirata A., Iwasaki K., Katsushima T., Kitamura K., Matsui T., Miyama T., Mizoguchi Y., Mrishita T., Shimizu T., Takanashi S., Yasuda Y., Yoshifuji N., Hirata R., Takahashi Y., Ishidoya S., Kamezaki K., Maeda T., Murayama S., Saito T.M.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 91
• Research Presentation
  Elucidation of soil CO2/CH4 budget by integrated analysis of soil observation data

  Presenter : Yamanuki H., Ichii K., Yamamoto Y., Teramoto M., Sun Lifei, Koarashi J., Atarashi-Ando M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Takahashi Y., Liang N.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 92
• Research Presentation
  Large CH4 Uptake Potential of Monsoon Forest Soils

  Presenter : Liang N., Zhang Y., Hirano T., Takagi K., Lai D.Y.F., Chiang P-N., Ishida S., Kondo T., Teramoto M., Takagi M., Koarashi J., Ando M., Sun Lifei, Zeng J., Takahashi Y., Ichii K., Mohti A.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 110
• Research Presentation
  Soil Warming effect of the soil CO2 and CH4 fluxes in a cool-temperate forested peatland after 13-year continuous warming

  Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 157
• Research Presentation
  Long-term CO2 and O3 flux monitoring in a cool-temperate forest to evaluate the effect of forestry management activities

  Presenter : Kentaro T., Takahashi Y.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 65
• Research Presentation
  Observation activities for atmospheric greenhouse gases by CONTRAIL and other platforms by NIES and collaborators

  Presenter : Machida T., Niwa Y., Umezawa T., Tsuboi K., Ishijima K., Fujita R., Matsueda H., Sasakawa M., Terao Y., Tohjima Y., Nara H., Saito T., Nakaoka S., Takao S., Aramaki T., Takahashi Y., Hirata R., Mueller A., Srivastava P., Morino I., Ohyama H., Frey M., Noda H., Mukai H., Shirai T., Tanimoto H.
  Name of Society : WMO International Greenhouse Gas Monitoring Symposium (2023)
  Name of Proceedings : -
• Research Presentation
  Field Observations of Greenhouse Gas Emissions from Palm Oil Mill Effluent (POME) Treatment Ponds in an Oil Palm Plantations on Tropical Peatlands

  Presenter : Takahashi Y., Onodera T., Hirata R., Nishina K., Waili J.W., Aeries E.B., Kiew F., Wong G.X., Melling L.
  Name of Society : AsiaFlux 2022 (2022)
  Name of Proceedings : Book of Abstracts, 130
• Research Presentation
  Red and far-red solar-induced chlorophyll fluorescence responding to air temperature, humidity, and leaf growth in a Japanese larch forest site on a spring-summer transition

  Presenter : MOROZUMI T., Noda H., Takahashi Y., Kato T.
  Name of Society : AsiaFlux 2022 (2022)
  Name of Proceedings : Abstracts
• Research Presentation
  Seasonal dynamics of dissolved N2O in the drainage ditch water & palm oil mill effluent of oil palm plantation in Sarawak

  Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Waili J., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
  Name of Society : AsiaFlux 2022 (2022)
  Name of Proceedings : Abstracts, 52-53
• Research Presentation
  Driven of Tempo-Spatial Variations of Forest Soil Methane Uptake by Root Activity

  Presenter : Sun Lifei, Liang N., Takahashi Y., Hirano T., Ishida S., Takagi M., Takagi K., Teramoto M., Kondo T., Koarashi J., Atarashi-Andoh M.
  Name of Society : AsiaFlux Conference 2022 (2022)
  Name of Proceedings : -
• Research Presentation
  CH4 Uptake of Asian Forest Soils in the Past, Present and Future

  Presenter : Liang N., Kondo T., Takagi K., Hirano T., Ishida S., Teramoto M., Takagi M., Koarashi J., Atarashi-Andoh M., Zhang Y., Chiang P., Lai D., Sun Lifei, Zeng J., Takahashi Y., Ichii K.
  Name of Society : AsiaFlux Conference 2022 (2022)
  Name of Proceedings : -
• Research Presentation
  CHALLENGES IN IMPROVING THE RELIABILITY OF VARIOUS RADIATION PARAMETERS AT A JAPANESE SATELLITE OBSERVATION VALIDATION SITE

  Presenter : Takahashi Y., Ide R., Hirose Y., Yamao Y.
  Name of Society : 2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022 (2022)
  Name of Proceedings : Abstracts, 4314-4315
• Research Presentation
  Factors of spatial variation in soil CH4 uptake rate in forests in Western Honshu

  Presenter : Teramoto M., Liang N., Sun Lifei, Kondo T., Koarashi J., Atarashi-Andoh M., Takagi M., Yamanaka N., Hirano T., Takagi K., Ishida S., Ichii K., Takahashi Y., Hu R.
  Name of Society : Japan Genscience Union Meeting 2022 (2022)
  Name of Proceedings : -
• Research Presentation
  A modeling study for forest structure effect on Solar-Induced chlorophyll Fluorescence in a relatively sparse canopy of the temperate larch forest in Mt. Fuji, Japan

  Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
  Name of Society : AGU Fall Meeting 2022 (2022)
  Name of Proceedings : -
• Research Lecture
  Changes in GHG fluxes by converting from disturbed secondary peat swamp forest to oil palm plantation

  Presenter : Hirata R., Wong G.X., Kiew F, Takahashi Y., Onodera T., Nishina K., Aeries B.A., Musin K.K., Waili J.W., Lo K.S., Melling L.
  Name of Society : AsiaFlux conference 2002 (2022)
  Name of Proceedings : Abstracts, 126
• Research Presentation
  Source apportionment of multiple toxic potentials of atmospheric organic aerosols

  Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
  Name of Society : European Aerosol Conference - EAC 2021 (2021)
  Name of Proceedings : Abstracts, (OP P1 - 235)
• Research Presentation
  Intercomparison of Data-Driven Estimation of Soil Respiration in Japan.

  Presenter : Yamanuki H., Ichii K., Liang N., Teramoto M., Takahashi Y., Zeng J., Takagi K., Hirano T., Ishida S., Takagi M., Naramoto M., Nakane K., Kondo T., Koarashi J., Atarashi-Andoh M.
  Name of Society : Japan Geoscience Union Meeting 2021 (2021)
  Name of Proceedings : なし
• Research Presentation
  Chemistry of local heavy rainfall in mountainous regions (LHRM) and impact assessment of air pollutants

  Presenter : YONETO S., OKOCHI H., KAJIKAWA T., KATO S., MIURA K., YAMADA Y., IGAWA M., IWASAKI T., TODA K., Takahashi Y., Shimizu H., SASE H., MURATA K., AIKAWA M., YAGOH H., KURIBAYASHI M., NAKANO T.
  Name of Society : 29th Symposium on Environmental Chemistry(第29回環境化学討論会) (2021)
  Name of Proceedings : 同要旨集
• Research Presentation
  Ground based observation of solar induced chlorophyll fluorescence using a fine resolution spectrometer across multiple sites in cool temperate to sub-tropical ecosystems, Japan

  Presenter : Morozumi T., Kato T., Nakashima N., Kanokrat B., Tanatarakeree K., Kobayashi H., Sakai Y., Tsujimoto K., Noda H., Takahashi Y., Takagi K., Hirano T., Ueyama M., Ono K., Matsumoto K., Akitsu T.K., Nasahara K.N., Murayama S., Muraoka H.
  Name of Society : iLEAPS-Japan 研究集会 2021 (2021)
  Name of Proceedings : 同要旨集
• Research Presentation
  Upscaling and intercomparison of Soil Respiration in Japan

  Presenter : Yamanuki H., Ichii K., Yamamoto Y., Kotsuki S., SUN Lifei, Liang N., Teramoto M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Koarashi J., Atarashi-Andoh M., Takahashi Y.
  Name of Society : AsiaFlux Online Conference 2021 (2021)
• Research Presentation
  A trial to assess the decline level of Fagus crenata in mountainous forest areas

  Presenter : Shimizu H., Ishima T., Suda R., Kaneko Y., Kajihara Y., Hamamura K., Yagoh H., Takahashi Y.
  Name of Society : The 83rd Annual Meeting of the Botanical Society of Japan (2019)
  Name of Proceedings : Proceedings of the 83rd Annual Meeting of the Botanical Society of Japan, PL-026
• Research Presentation
  Observation of vertical profiles of NOx, O3, and VOCs to estimate their source/sink distributions by inverse modelling in a Japanese larch forest

  Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Matsumi Y., Katata G.
  Name of Society : International Symposium on Agricultural Meteorology 2019 (2019)
  Name of Proceedings : Proceedings of the International Symposium on Agricultural Meteorology 2019, 194
• Research Presentation
  Long term soil warming effect on soil organic carbon decomposition in Asian monsoon forests

  Presenter : Teramoto M., Liang N., Takagi K., Kondo T., Koarashi.J, Atarashi-Andoh M., Hirano T., Takahashi Y., Takagi M., Ishida S., Aramaki T., Naramoto M., Zhang Y., Lai D.Y. F., Chiang P., Zeng J., Piao S., Li S., Tomimatsu H., Zhao X., Nakane K., Tao Y., Yao T., Musa S.
  Name of Society : Asia Flux 2019 (2019)
  Name of Proceedings : -
• Research Presentation
  Observation of vertical profiles of NO, O3, and VOCs to estimate their source and sink distributions by inverse modelling in a Japanese larch forest

  Presenter : wa, Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
  Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
  Name of Proceedings : Conference Proceedings, 57
• Research Presentation
  Simulation of methane dynamics in a mid latitude eutrophic lake with constraints using incubation data

  Presenter : Iwata H., Nakano W., Stepanenko V., Kobayashi D., Taoka T., Miyabara Y., Hirata R., Takahashi Y.
  Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
  Name of Proceedings : Proceedings, 133
• Research Presentation
  18 years to compensate all CO2 emission after a clearcut harvesting in a cool-temperate forest

  Presenter : Takagi K. , Aguilos M., Saigusa N., Liang N., Takahashi Y., Koike T., Sasa K., Fujinuma Y.
  Name of Society : AsiaFlux2019 (2019)
  Name of Proceedings : AsiaFlux2019 Conference Proceedings, 132
• Research Presentation
  The controlling factors of diffusive and ebullitive methane emission on sub daily time scale at a mid latitude shallow lake

  Presenter : Taoka T., Iwata H., Miyabara Y., Hirata R., Takahashi Y.
  Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
  Name of Proceedings : Proceedings, 81
• Research Lecture
  Effect-based Detection of Organic Chemicals in PM2.5 for Their Risk Management

  Presenter : Suzuki G., Michinaka C., Nakajima D., Furuyama A., Ito T., Sato K., Kondo Y., Fujitani Y., Takahashi Y., Yagishita M., Ramasamy S., Takami A., Fushimi A.
  Name of Society : 47th Myanmar Health Research Congress (2019)
  Name of Proceedings : Abstracts, 21-25
• Research Presentation
  Influence of phenological changes on CO2 uptake and the driving factors in Japanese mountain and alpine ecosystems

  Presenter : Ide R., Oguma H., Takahashi Y., Saigusa N.
  Name of Society : OzFlux - AsiaFlux Joint Conference 2018 (2018)
  Name of Proceedings : OzFlux - AsiaFlux Joint Conference 2018 Abstracts, 62-63
• Research Presentation
  Eddy covariance and biogeochemical observations of methane dynamics in a shallow mid-latitude lake in Japan

  Presenter : Iwata H., Hirata R., Takahashi Y., Itoh M., Miyabara Y., Kobayashi D.
  Name of Society : 15th AsiaFlux Workshop (OzFlux-AsiaFlux Joint Conference) (2018)
  Name of Proceedings : Abstracts, 63-64
• Research Presentation
  Preliminary Survey for Evaluation of N Cycling in Oil Palm Plantation on Peat Soil in Malaysia-Spatial Distribution of Dissolved Nitrous Oxide and Nitrate Concentrations in Drainage Water on a Plantation Scale-

  Presenter : Nishina K., Hirata R., Takahashi Y., Onodera T., Melling L., Musin K., Waili J., Ratai J., Abdullah M., Merikan C., Toyoda S., Terajima K.
  Name of Society : AGU Fall Meeting (2018)
  Name of Proceedings : Abstract
• Research Presentation
  Long Term Response and Feedback of Asian Forest Soil Flux to Global Warming

  Presenter : Liang N., Chiang P., Wang Y., Teramoto M., Takagi K., Kondo T., Koarashi.J, Zhang Y., Li S., Fang J., Piao S., Lai D.Y. F., Takagi M., Ishida S., Hirano T., Zeng J., Takahashi Y., Atarashi-Andoh M., Harun I.
  Name of Society : International Long Term Ecological Research Network(ILTER) & 12th International Long Term Ecological Research East Asia Pacific Regional Network(ILTER EAP) (2018)
  Name of Proceedings : -
• Research Presentation
  Evaluation of methane emission from a mid-latitude lake with the eddy covariance technique

  Presenter : Ikawa H., Hirata R., Takahashi Y., Itoh M., Iizuka K., Miyabara Y., Nakazawa K., Satoh H., Kobayashi D., Tokida T.
  Name of Society : Joint Conference of AsiaFlux Workshop 2017 and the 15th Anniversary Celebration of ChinaFLUX (2017)
  Name of Proceedings : Abstracts, 5
• Research Presentation
  A trial of the biological/environmental monitoring for mountainous forest conservation in Japan

  Presenter : Shimizu H., Yagoh H., Endo T., Yamaguchi T., Kaneko T., Matsuda K., Yamamoto T., Suda R., Hamamura K., Ishima T., Kajihara Y., Kawano K., Kuninaga T., Nishimoto T., Wada S., Nakajima H., Uchida A., Mizutani M., Asanuma T., Takahashi K.
  Name of Society : The Third Asian Air Pollution Workshop (AAPW-3) (2017)
  Name of Proceedings : The Third Asian Air Pollution Workshop (AAPW-3), Abstracts, 17
• Research Presentation
  Ground-based Network of Long-term Measurement of Sun-Induced Chlorophyll Fluorescence

  Presenter : Kato T., Tsujimoto K., Nasahara K., Akitsu T., Nagai S., Ono K., Saitoh T.M., Muraoka H., Noda H., Saigusa N., Ide R., Takahashi Y.
  Name of Society : The 12th International Workshop on Greenhouse Gas Measurements from Space (IWGGMS-12) (2016)
  Name of Proceedings : Abstracts, 83
• Research Presentation
  Network connection of tower flux measurement data :Toward long term stable flux measurement

  Presenter : Kominami Y., Yamanoi K., Kitamura K., Miyama T., Mizoguchi Y., Takanashi S., Yasuda Y., Saigusa N., Takahashi Y., Kim W., Miyata A., Ono K., Ishidoya S., Kondo H., Maeda T., Murayama S., Panuthai S., Archawakom T.
  Name of Society : 日本地球惑星科学連合2016年大会 (2016)
  Name of Proceedings : -, AAS01-12
• Research Presentation
  Phenological changes for 10 years and the influence on ecosystem productivity in a larch forest at the foot of Mt. Fuji

  Presenter : Ide R., Oguma H., Hirose Y., Takahashi Y., Saigusa N.
  Name of Society : 日本地球惑星科学連合2016年大会 (2016)
  Name of Proceedings : -, ACG22-P10
• Research Presentation
  Semi-empirical GPP estimation of east Asian forests using MODIS vegetation indices

  Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L.-M., Li S.-G., Wang H.-M., Han S., Zhang Y.-P, Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
  Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
  Name of Proceedings : Abstracts, 52
• Research Presentation
  Long-term monitoring of CO2 exchange over a larch forest in central Japan

  Presenter : Takahashi Y., Saigusa N., Ide R., Hirata R.
  Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
  Name of Proceedings : Abstracts, 99
• Research Presentation
  Micrometeorological and chamber measurements of methane flux over two forests in Japan

  Presenter : Ueyama M., Takahashi Y., Takagi K., Ide R.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 10
• Research Presentation
  Soil moisture conditions may affect terpenoid fluxes measured above a larch forest

  Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 13
• Research Presentation
  Relationship between ecosystem photosynthetic parameters derived from flux observation and modis vegetation indices of East Asian forests

  Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L., Li S.G., Han S., Wang H-M., Zhang Y-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 59
• Research Presentation
  Observation of vertical profiles of NOx, O3, VOC and inverse modeling estimates of their fluxes at vertical levels in Japanese larch and red pine forests

  Presenter : Wada R., Niijima K., Moriyama Y., Mochizuki T., Tani A., Nakai Y., Takanashi S., Nakano T., Takahashi Y., Miyazaki Y., Ueyama M.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 12
• Research Presentation
  CONTINUOUS MEASUREMENTS OF METHANE FLUX AT A LARCH FOREST BY MICROMETEOROLOGICAL AND CHAMBER TECHNIQUES

  Presenter : Ueyama M., Takai Y., Takeuchi R., Takahashi Y., Ide R., Ataka M., Takahashi K., Kosugi Y.
  Name of Society : International Joint Conference of 11th AsiaFlux International Worksop, 3rd HESSS(Hydrology delivers Earth System Science to Society), and 14th Annual Meeting of KSAFM(Korean Society of Agricultural & Forest Meteorology)on Communicating Science to Society: Coping with Climate Extremes for Resilient Ecological-Societal Systems (2013)
  Name of Proceedings : Abstracts, 38
• Research Presentation
  Continuous Measurement of Methane Flux at a Larch Forest by the Relaxed Eddy Accumulation Method with a Tunable Diode Laser Spectrometer

  Presenter : Ueyama M., Takai Y., Takahashi Y., Hamatani K., Kosugi Y., Takahashi K.
  Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
  Name of Proceedings : Abstracts, 173
• Research Presentation
  Measurement of Biogenic VOC Fluxes above a Japanese Larch Forest Using a Relaxed Eddy Accumulation Method

  Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Tani A.
  Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
  Name of Proceedings : Abstracts, 229
• Research Presentation
  Continuous measurement of methane flux at a larch forest by the relaxed eddy accumulation method with a tunable diode laser spectrometer

  Presenter : Ueyama M., Takai Y., Takahashi Y., Hamotani K., Kosugi Y., Takahashi K.
  Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
  Name of Proceedings : Abstracts, 173
• Research Presentation
  Inter-site comparison of ecosystem physiological parameters of Asian forests

  Presenter : Takagi K., Hirata R., Hirano T., Ueyama M., Ono K., Ide R., Ogawa A., Saigusa N., Takahashi Y., Ichii K., Kwon H., Hong J., Leiming Z., Li S.-G., Han S., Wang H.-M., Zhang Y.-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M.
  Name of Society : The 5th EAFES International Congress (2012)
  Name of Proceedings : -
• Research Presentation
  Constraining radiocarbon signature of soil organic matter in Alaskan Arctic soil: Implication for importance basis examining the impact of climate warming on CO2 release

  Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Takahashi Y., Adachi M., Shibata Y.
  Name of Society : Arct.Sci.Summit Week 2011 (2011)
  Name of Proceedings : Program, 21
• Research Presentation
  Vegetation recovery, changes in fluxes and micrometeorology after wildfire of a black spruce forest on permafrost in Alaska

  Presenter : Harazono Y., Iwata H., Ueyama M., Tsuyuzaki S., Uchida M., Kondo M., Takahashi Y., Utsumi M.
  Name of Society : ISAM 2011 (2011)
  Name of Proceedings : Program of ISAM 2011
• Research Presentation
  Inter-site comparison of ecosystem physiological parameters of Asian forest

  Presenter : Takagi K., Hirata R., Ueyama M., Ono K., Ide R., Ogawa A., Hirano T., Saigusa N., Kwon H., Hong J., Leiming Z., Li S., Asanuma J., Gamo M., Han S., Machemura T., Maeda T., Murayama S., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y., Wang H., Zhang Y.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 115
• Research Presentation
  Applying tunabel diode laser spectroscopy for continuous measurement of methane flux at a forest canopy with a relaxed eddy accumulation method

  Presenter : Ueyama M., Takai Y., Hamotani K., Takahashi Y., Takahashi K., Kosugi Y.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 49
• Research Presentation
  Biogenic volatile organic compounds fluxes above larch forest measured using a relaxes eddy accumulation method

  Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Okamura M., Tohno S., Tani A.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 50
• Research Presentation
  Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in foothill of high mountain

  Presenter : Takahashi Y., Saigusa N., Ide R.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 59
• Research Presentation
  An accurate CO2 measurement system for standard gases using NDIR CO2 analyzer and CRDS 13CO2 analyzer

  Presenter : Katsumata K., Nara H., Tohjima Y., Takahashi Y., Machida T., Mukai H.
  Name of Society : 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (2011)
  Name of Proceedings : Abstracts of 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques
• Research Presentation
  Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis of phospholipid fatty acids (PLFAs)

  Presenter : Uchida M., Kondo M., Uchida M., Takahashi Y., Utsumi M., Kumata H., Shibata Y.
  Name of Society : 10th Ny-Alesund Seminar (2011)
  Name of Proceedings : Abstracts, 74
• Research Presentation
  The potential of carbon sink/source of Asian Forest soils

  Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
  Name of Society : 4th EAFES Int.Congr. (2010)
  Name of Proceedings : Abstracts, 125-126
• Research Presentation
  Long-term monitoring of CO2 flux at a larch forest in foothill of Mt.Fuji, Japan

  Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
  Name of Society : AsisFlux Workshop 2010 (2010)
  Name of Proceedings : Proceedings, 123
• Research Presentation
  The heterotrophic respiration using old carbon in arctic soil: Insights from compound-specific radiocarbon analysis

  Presenter : Uchida M., Uchida M., Utsumi M., Kondo M., Takahashi Y., Shibata Y.
  Name of Society : 2nd Int.Symp.Arct.Res. (2010)
  Name of Proceedings : Abstracts, 81
• Research Presentation
  Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis

  Presenter : Uchida M., Utsumi M., Kondo M., Takahashi Y., Uchida M.
  Name of Society : AGU Fall Meeting 2010 (2010)
  Name of Proceedings : Abstracts, B41F-0378
• Research Presentation
  Radiocarbon constraints for soil carbon accumulation and carbon release of boreal forests and tundra ecosystem in Alaska

  Presenter : Kondo M., Uchida M., Kim Y., Takahashi Y., Shinozaki T., Utsumi M., Shibata Y.
  Name of Society : Environ.Radioact.2010 (2010)
  Name of Proceedings : Abstracts
• Research Presentation
  Carbon balance of larch forests in East Asia responding to the climate change

  Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai I., Ohta T., Saigusa N., Takahashi Y., Hirano T.
  Name of Society : 8th Int.Carbon Dioxide Conf. (2009)
  Name of Proceedings : Program
• Research Presentation
  Spatial and temporal variations in trace gas exchange rates observed in a forest soil

  Presenter : Takahashi Y., Liang N.
  Name of Society : 6th Int.Sci.Conf.Global Energy Water Cycle,2nd Integrated Land Ecosystem - Atmos.Processes Study (iLEAPS) Sci.Conf. (2009)
  Name of Proceedings : Proceedings, 96-97
• Research Presentation
  CO2 flux observation in the foothills of a high mountain

  Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 115
• Research Presentation
  The potential of carbon sink/source of Japanese forest soils

  Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 33
• Research Presentation
  Simulating carbon balance of larch forests in East Asia from stand to regional scale

  Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 39
• Research Presentation
  Evaluation of methane flux in a temperate larch forest based on the flux measurements and inverse method

  Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Liang N., Saigusa N.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 75
• Research Presentation
  Estimating forest photosynthetic capacity by using spectral vegetation indices: Comparisons among three larch forests in Japan

  Presenter : Ide R., Nakaji T., Oguma H., Takagi K., Takahashi Y., Saigusa N.
  Name of Society : SATECO 2008 (2008)
  Name of Proceedings : Abstracts, 87
• Research Presentation
  Radiocarbon based carbon source identification of soil respiration Spitsbergen Island in the Norwegian high Arctic

  Presenter : Uchida M., Uchida M., Takahashi Y., Nakatsubo T.
  Name of Society : 日本地球惑星科学連合 2008年大会 (2008)
  Name of Proceedings : 同予稿集, L173-P005
• Research Presentation
  Seasonal variation of photosynthetic and respiratory parameters of larch forests in East Asia

  Presenter : Takagi K., Hirata R., Hirano T., Saigusa N., Asanuma J., Li S.-G., Machimura T., Nakai Y., Ohta T., Takahashi Y., Wang H.
  Name of Society : AsiaFlux Workshop 2008 (2008)
  Name of Proceedings : Abstracts, 24
• Research Presentation
  Comparative CO2 flux measurment with an REA method and open path, closed-path method in Fuji Hokuroku Japan

  Presenter : Hamotani K., Ueyama M., Nishimura W., Takahashi Y., Hirata R., Saigusa N.
  Name of Society : AsiaFlux Workshop 2008 (2008)
  Name of Proceedings : Abstracts, 51
• Research Presentation
  Measurement of methane flux over a larch forest by a relaxed eddy accumulation method at Fuji-Hokuroku, Japan

  Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Saigusa N.
  Name of Society : AsiaFlux Workshop 2008 (2008)
  Name of Proceedings : Abstracts, 48-49
• Research Presentation
  Simultaneous flux measurements of CO2, its stable isotope ratios and trace gases based on eddy accumulation technique for flux partitioning

  Presenter : Takahashi Y., Hirata R.
  Name of Society : AGU 2007 Fall Meet. (2007)
  Name of Proceedings : Abstracts, B13B-1195
• Research Presentation
  Variability of carbon stable isotope ratio of soil heterotrophic respiration

  Presenter : Takahashi Y., Liang N.
  Name of Society : Eco Summit 2007 (2007)
  Name of Proceedings : Abstracts, 350
• Research Presentation
  Use of stable isotope and trace gases as additional tracers in flux partitioning

  Presenter : Takahashi Y., Hirata R.
  Name of Society : AsiaFlux Workshop 2007(Poster Session) (2007)
  Name of Proceedings : Abstracts
• Research Presentation
  Variability in carbon stable isotope ratio of heterotrophic soil respiration in a deciduous needle-leaf forest

  Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
  Name of Society : AGU 2005 Fall Meet. (2005)
  Name of Proceedings : Abstracts
• Research Presentation
  (13)C/(12)C ratio of CO2 respired from deciduous needleleaf forest ecosystem in east Asia

  Presenter : Takahashi Y., Tohjima Y., Machida T., Fujinuma Y., Inoue G.
  Name of Society : 13th Annu.V.M.Goldschmidt Conf. (2003)
  Name of Proceedings : Geochimica et Cosmochimica Acta, 67(18S)(18S):A470
• Research Presentation
  Temporal variations in 13C/12C ratio of respired CO2 and its relation with vapor pressure deficit in deciduous needle-leaf forest ecosystem in east Asia

  Presenter : Takahashi Y.,, Tohjima Y., Machida T., Fujinuma Y., Inoue G.
  Name of Society : Annu.Main Meet.Soc.Exp.Biol. (2003)
  Name of Proceedings : Comp.Biochem.Physiol.A, 134Suppl.(Suppl.):S179
• Temporal variations in stable isotope ratios of respired CO2 in Japanese larch forest ecosystem

  Presenter : Takahashi Y., Tohjima Y., Machida T., Fujinuma Y.
  Name of Society : 2nd Int.Workshop Adv.Flux Network Flux Eval. (2002)
  Name of Proceedings : Proceedings
• Monitoring the isotopic composition of atmospheric CO2 over Siberia and Japan

  Presenter : Takahashi Y., Machida T., Tohjima Y., Inoue G.
  Name of Society : 6th Int.Carbon Dioxide Conf. (2001)
  Name of Proceedings : Extended Abstracts, 1

• Full-spectral observation of leaf-level chlorophyll fluorescence to bridge the gap between tower and satellite observed solar-induced chlorophyll fluorescence (SIF) in a temperate deciduous forest and a subtropical evergreen forest in Japan

  Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Takahashi Y., Matsumoto K.
  Name of Society : The iLEAPS – OzFlux Joint Conference 2023 (2023)
  Name of Proceedings : Abstracts
• Detection of midday depression with canopy-level solar-induced chlorophyll fluorescence and gross primary productivity: impact of heat extreme events in a deciduous needle-leaved forest

  Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
  Name of Society : AGU23 (American Geophysical Union Annual Meeting 2023) (2023)
  Name of Proceedings : -
• An approach to estimate forest NEP including ecosystem disturbances using long-term flux observation in Japan

  Presenter : Kominami Y., Hirata A., Iwasaki K., Katsushima T., Kitamura K., Matsui T., Miyama T., Mizoguchi Y., Mrishita T., Shimizu T., Takanashi S., Yasuda Y., Yoshifuji N., Hirata R., Takahashi Y., Ishidoya S., Kamezaki K., Maeda T., Murayama S., Saito T.M.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 91
• Elucidation of soil CO2/CH4 budget by integrated analysis of soil observation data

  Presenter : Yamanuki H., Ichii K., Yamamoto Y., Teramoto M., Sun Lifei, Koarashi J., Atarashi-Ando M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Takahashi Y., Liang N.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 92
• Large CH4 Uptake Potential of Monsoon Forest Soils

  Presenter : Liang N., Zhang Y., Hirano T., Takagi K., Lai D.Y.F., Chiang P-N., Ishida S., Kondo T., Teramoto M., Takagi M., Koarashi J., Ando M., Sun Lifei, Zeng J., Takahashi Y., Ichii K., Mohti A.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 110
• Long-term CO2 and O3 flux monitoring in a cool-temperate forest to evaluate the effect of forestry management activities

  Presenter : Kentaro T., Takahashi Y.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 65
• Field Observations of Greenhouse Gas Emissions from Palm Oil Mill Effluent (POME) Treatment Ponds in an Oil Palm Plantations on Tropical Peatlands

  Presenter : Takahashi Y., Onodera T., Hirata R., Nishina K., Waili J.W., Aeries E.B., Kiew F., Wong G.X., Melling L.
  Name of Society : AsiaFlux 2022 (2022)
  Name of Proceedings : Book of Abstracts, 130
• Red and far-red solar-induced chlorophyll fluorescence responding to air temperature, humidity, and leaf growth in a Japanese larch forest site on a spring-summer transition

  Presenter : MOROZUMI T., Noda H., Takahashi Y., Kato T.
  Name of Society : AsiaFlux 2022 (2022)
  Name of Proceedings : Abstracts
• Seasonal dynamics of dissolved N2O in the drainage ditch water & palm oil mill effluent of oil palm plantation in Sarawak

  Presenter : Nishina K., Melling L., Toyoda S., Itoh M., Waili J., Wong G.X., Kiew F., Aeries E.B., Hirata R., Takahashi Y., Onodera T.
  Name of Society : AsiaFlux 2022 (2022)
  Name of Proceedings : Abstracts, 52-53
• Driven of Tempo-Spatial Variations of Forest Soil Methane Uptake by Root Activity

  Presenter : Sun Lifei, Liang N., Takahashi Y., Hirano T., Ishida S., Takagi M., Takagi K., Teramoto M., Kondo T., Koarashi J., Atarashi-Andoh M.
  Name of Society : AsiaFlux Conference 2022 (2022)
  Name of Proceedings : -
• CH4 Uptake of Asian Forest Soils in the Past, Present and Future

  Presenter : Liang N., Kondo T., Takagi K., Hirano T., Ishida S., Teramoto M., Takagi M., Koarashi J., Atarashi-Andoh M., Zhang Y., Chiang P., Lai D., Sun Lifei, Zeng J., Takahashi Y., Ichii K.
  Name of Society : AsiaFlux Conference 2022 (2022)
  Name of Proceedings : -
• CHALLENGES IN IMPROVING THE RELIABILITY OF VARIOUS RADIATION PARAMETERS AT A JAPANESE SATELLITE OBSERVATION VALIDATION SITE

  Presenter : Takahashi Y., Ide R., Hirose Y., Yamao Y.
  Name of Society : 2022 IEEE International Geoscience and Remote Sensing Symposium, IGARSS 2022 (2022)
  Name of Proceedings : Abstracts, 4314-4315
• Factors of spatial variation in soil CH4 uptake rate in forests in Western Honshu

  Presenter : Teramoto M., Liang N., Sun Lifei, Kondo T., Koarashi J., Atarashi-Andoh M., Takagi M., Yamanaka N., Hirano T., Takagi K., Ishida S., Ichii K., Takahashi Y., Hu R.
  Name of Society : Japan Genscience Union Meeting 2022 (2022)
  Name of Proceedings : -
• Intercomparison of Data-Driven Estimation of Soil Respiration in Japan.

  Presenter : Yamanuki H., Ichii K., Liang N., Teramoto M., Takahashi Y., Zeng J., Takagi K., Hirano T., Ishida S., Takagi M., Naramoto M., Nakane K., Kondo T., Koarashi J., Atarashi-Andoh M.
  Name of Society : Japan Geoscience Union Meeting 2021 (2021)
  Name of Proceedings : なし
• Long term soil warming effect on soil organic carbon decomposition in Asian monsoon forests

  Presenter : Teramoto M., Liang N., Takagi K., Kondo T., Koarashi.J, Atarashi-Andoh M., Hirano T., Takahashi Y., Takagi M., Ishida S., Aramaki T., Naramoto M., Zhang Y., Lai D.Y. F., Chiang P., Zeng J., Piao S., Li S., Tomimatsu H., Zhao X., Nakane K., Tao Y., Yao T., Musa S.
  Name of Society : Asia Flux 2019 (2019)
  Name of Proceedings : -
• Observation of vertical profiles of NO, O3, and VOCs to estimate their source and sink distributions by inverse modelling in a Japanese larch forest

  Presenter : wa, Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Yonemura S., Matsumi Y., Katata G.
  Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
  Name of Proceedings : Conference Proceedings, 57
• Long Term Response and Feedback of Asian Forest Soil Flux to Global Warming

  Presenter : Liang N., Chiang P., Wang Y., Teramoto M., Takagi K., Kondo T., Koarashi.J, Zhang Y., Li S., Fang J., Piao S., Lai D.Y. F., Takagi M., Ishida S., Hirano T., Zeng J., Takahashi Y., Atarashi-Andoh M., Harun I.
  Name of Society : International Long Term Ecological Research Network(ILTER) & 12th International Long Term Ecological Research East Asia Pacific Regional Network(ILTER EAP) (2018)
  Name of Proceedings : -
• Evaluation of methane emission from a mid-latitude lake with the eddy covariance technique

  Presenter : Ikawa H., Hirata R., Takahashi Y., Itoh M., Iizuka K., Miyabara Y., Nakazawa K., Satoh H., Kobayashi D., Tokida T.
  Name of Society : Joint Conference of AsiaFlux Workshop 2017 and the 15th Anniversary Celebration of ChinaFLUX (2017)
  Name of Proceedings : Abstracts, 5
• Network connection of tower flux measurement data :Toward long term stable flux measurement

  Presenter : Kominami Y., Yamanoi K., Kitamura K., Miyama T., Mizoguchi Y., Takanashi S., Yasuda Y., Saigusa N., Takahashi Y., Kim W., Miyata A., Ono K., Ishidoya S., Kondo H., Maeda T., Murayama S., Panuthai S., Archawakom T.
  Name of Society : 日本地球惑星科学連合2016年大会 (2016)
  Name of Proceedings : -, AAS01-12
• Semi-empirical GPP estimation of east Asian forests using MODIS vegetation indices

  Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L.-M., Li S.-G., Wang H.-M., Han S., Zhang Y.-P, Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
  Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
  Name of Proceedings : Abstracts, 52
• Micrometeorological and chamber measurements of methane flux over two forests in Japan

  Presenter : Ueyama M., Takahashi Y., Takagi K., Ide R.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 10
• Soil moisture conditions may affect terpenoid fluxes measured above a larch forest

  Presenter : Mochizuki T., Tani A., Takahashi Y., Saigusa N.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 13
• Observation of vertical profiles of NOx, O3, VOC and inverse modeling estimates of their fluxes at vertical levels in Japanese larch and red pine forests

  Presenter : Wada R., Niijima K., Moriyama Y., Mochizuki T., Tani A., Nakai Y., Takanashi S., Nakano T., Takahashi Y., Miyazaki Y., Ueyama M.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 12
• CONTINUOUS MEASUREMENTS OF METHANE FLUX AT A LARCH FOREST BY MICROMETEOROLOGICAL AND CHAMBER TECHNIQUES

  Presenter : Ueyama M., Takai Y., Takeuchi R., Takahashi Y., Ide R., Ataka M., Takahashi K., Kosugi Y.
  Name of Society : International Joint Conference of 11th AsiaFlux International Worksop, 3rd HESSS(Hydrology delivers Earth System Science to Society), and 14th Annual Meeting of KSAFM(Korean Society of Agricultural & Forest Meteorology)on Communicating Science to Society: Coping with Climate Extremes for Resilient Ecological-Societal Systems (2013)
  Name of Proceedings : Abstracts, 38
• Continuous Measurement of Methane Flux at a Larch Forest by the Relaxed Eddy Accumulation Method with a Tunable Diode Laser Spectrometer

  Presenter : Ueyama M., Takai Y., Takahashi Y., Hamatani K., Kosugi Y., Takahashi K.
  Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
  Name of Proceedings : Abstracts, 173
• Continuous measurement of methane flux at a larch forest by the relaxed eddy accumulation method with a tunable diode laser spectrometer

  Presenter : Ueyama M., Takai Y., Takahashi Y., Hamotani K., Kosugi Y., Takahashi K.
  Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
  Name of Proceedings : Abstracts, 173
• Inter-site comparison of ecosystem physiological parameters of Asian forests

  Presenter : Takagi K., Hirata R., Hirano T., Ueyama M., Ono K., Ide R., Ogawa A., Saigusa N., Takahashi Y., Ichii K., Kwon H., Hong J., Leiming Z., Li S.-G., Han S., Wang H.-M., Zhang Y.-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M.
  Name of Society : The 5th EAFES International Congress (2012)
  Name of Proceedings : -
• Vegetation recovery, changes in fluxes and micrometeorology after wildfire of a black spruce forest on permafrost in Alaska

  Presenter : Harazono Y., Iwata H., Ueyama M., Tsuyuzaki S., Uchida M., Kondo M., Takahashi Y., Utsumi M.
  Name of Society : ISAM 2011 (2011)
  Name of Proceedings : Program of ISAM 2011
• Applying tunabel diode laser spectroscopy for continuous measurement of methane flux at a forest canopy with a relaxed eddy accumulation method

  Presenter : Ueyama M., Takai Y., Hamotani K., Takahashi Y., Takahashi K., Kosugi Y.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 49
• Biogenic volatile organic compounds fluxes above larch forest measured using a relaxes eddy accumulation method

  Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Okamura M., Tohno S., Tani A.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 50
• The potential of carbon sink/source of Asian Forest soils

  Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
  Name of Society : 4th EAFES Int.Congr. (2010)
  Name of Proceedings : Abstracts, 125-126
• The potential of carbon sink/source of Japanese forest soils

  Presenter : Liang N., Takagi K., Kakubari Y., Nakane K., Ishida S., Takagi M., Takahashi Y., Mukai H.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 33
• Seasonal variation of photosynthetic and respiratory parameters of larch forests in East Asia

  Presenter : Takagi K., Hirata R., Hirano T., Saigusa N., Asanuma J., Li S.-G., Machimura T., Nakai Y., Ohta T., Takahashi Y., Wang H.
  Name of Society : AsiaFlux Workshop 2008 (2008)
  Name of Proceedings : Abstracts, 24
• Variability of carbon stable isotope ratio of soil heterotrophic respiration

  Presenter : Takahashi Y., Liang N.
  Name of Society : Eco Summit 2007 (2007)
  Name of Proceedings : Abstracts, 350
• Use of stable isotope and trace gases as additional tracers in flux partitioning

  Presenter : Takahashi Y., Hirata R.
  Name of Society : AsiaFlux Workshop 2007(Poster Session) (2007)
  Name of Proceedings : Abstracts
• (13)C/(12)C ratio of CO2 respired from deciduous needleleaf forest ecosystem in east Asia

  Presenter : Takahashi Y., Tohjima Y., Machida T., Fujinuma Y., Inoue G.
  Name of Society : 13th Annu.V.M.Goldschmidt Conf. (2003)
  Name of Proceedings : Geochimica et Cosmochimica Acta, 67(18S)(18S):A470
• Temporal variations in 13C/12C ratio of respired CO2 and its relation with vapor pressure deficit in deciduous needle-leaf forest ecosystem in east Asia

  Presenter : Takahashi Y.,, Tohjima Y., Machida T., Fujinuma Y., Inoue G.
  Name of Society : Annu.Main Meet.Soc.Exp.Biol. (2003)
  Name of Proceedings : Comp.Biochem.Physiol.A, 134Suppl.(Suppl.):S179
• Changes in water quality and greenhouse gas emissions in a pond system for treatment of palm oil mill effluent (POME)

  Presenter : Onodera T., Takahashi Y., Nishina K., Hirata R., Waili J.W. , Kiew F. , Wong G.X., Melling L.
  Name of Society : 12th IWA International Symposium on Waste Management Problems in Agro-Industries- AGRO'2025 (2025)
  Name of Proceedings : Abstracts
• Monitoring The Drought Impact On A Larch Forest With Solar-Induced Chlorophyll Fluorescence

  Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y.
  Name of Society : 9th GEWEX Open Science Meeting 2024 (2024)
  Name of Proceedings : -
• The response of heterotrophic CO2 flux to estimation of long-term soil warming in a cool-temperate foreseted peatland

  Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
  Name of Society : 日本農業気象学会 2024年大会 (2024)
  Name of Proceedings : 講演要旨, 227
• Seasonal pattern of solar-induced chlorophyll fluorescence in three forest types observed on multiple platforms

  Presenter : Morozumi T., Noda H., Kato T., Kobayashi H., Takahashi Y., Muraoka H., Matsumoto K.
  Name of Society : Asiaflux 2023 (2023)
  Name of Proceedings : Abstracts
• 17 Years of Monitoring CO2 Flux in Japanese Larch Plantation Forests

  Presenter : Takahashi Y., Ide R., Yamao Y.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts
• Seven-year variability in methane release from a shallow eutrophic lake in Japan

  Presenter : Yamada M., Iwata H., Park H.D., Sawano K., Hirata R., Takahashi Y.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts
• Soil Warming effect of the soil CO2 and CH4 fluxes in a cool-temperate forested peatland after 13-year continuous warming

  Presenter : Ma R., Takagi K., Hirano T., Sun Lifei, Liang N., Takahashi Y., Teramoto M., Kondo T., Koarashi J., Atarashi-Ando M., Ishida S., Takagi M., Ichii K.
  Name of Society : AsiaFlux Conference 2023 (2023)
  Name of Proceedings : Abstracts, 157
• Observation activities for atmospheric greenhouse gases by CONTRAIL and other platforms by NIES and collaborators

  Presenter : Machida T., Niwa Y., Umezawa T., Tsuboi K., Ishijima K., Fujita R., Matsueda H., Sasakawa M., Terao Y., Tohjima Y., Nara H., Saito T., Nakaoka S., Takao S., Aramaki T., Takahashi Y., Hirata R., Mueller A., Srivastava P., Morino I., Ohyama H., Frey M., Noda H., Mukai H., Shirai T., Tanimoto H.
  Name of Society : WMO International Greenhouse Gas Monitoring Symposium (2023)
  Name of Proceedings : -
• A modeling study for forest structure effect on Solar-Induced chlorophyll Fluorescence in a relatively sparse canopy of the temperate larch forest in Mt. Fuji, Japan

  Presenter : MOROZUMI T., Noda H., Kato T., Kobayashi H., Sakai Y., Takahashi Y.
  Name of Society : AGU Fall Meeting 2022 (2022)
  Name of Proceedings : -
• Source apportionment of multiple toxic potentials of atmospheric organic aerosols

  Presenter : Fushimi A., Nakajima D., Furuyama A., Suzuki G., Ito T., Sato K., Fujitani Y., Kondo Y., Yoshino A., Ramasamy S., Schauer J. J., Fu P., Takahashi Y., Saitoh K., Saito S., Takami A.
  Name of Society : European Aerosol Conference - EAC 2021 (2021)
  Name of Proceedings : Abstracts, (OP P1 - 235)
• Chemistry of local heavy rainfall in mountainous regions (LHRM) and impact assessment of air pollutants

  Presenter : YONETO S., OKOCHI H., KAJIKAWA T., KATO S., MIURA K., YAMADA Y., IGAWA M., IWASAKI T., TODA K., Takahashi Y., Shimizu H., SASE H., MURATA K., AIKAWA M., YAGOH H., KURIBAYASHI M., NAKANO T.
  Name of Society : 29th Symposium on Environmental Chemistry(第29回環境化学討論会) (2021)
  Name of Proceedings : 同要旨集
• Ground based observation of solar induced chlorophyll fluorescence using a fine resolution spectrometer across multiple sites in cool temperate to sub-tropical ecosystems, Japan

  Presenter : Morozumi T., Kato T., Nakashima N., Kanokrat B., Tanatarakeree K., Kobayashi H., Sakai Y., Tsujimoto K., Noda H., Takahashi Y., Takagi K., Hirano T., Ueyama M., Ono K., Matsumoto K., Akitsu T.K., Nasahara K.N., Murayama S., Muraoka H.
  Name of Society : iLEAPS-Japan 研究集会 2021 (2021)
  Name of Proceedings : 同要旨集
• Upscaling and intercomparison of Soil Respiration in Japan

  Presenter : Yamanuki H., Ichii K., Yamamoto Y., Kotsuki S., SUN Lifei, Liang N., Teramoto M., Nagano H., Hirano T., Takagi K., Ishida S., Takagi M., Kondo T., Koarashi J., Atarashi-Andoh M., Takahashi Y.
  Name of Society : AsiaFlux Online Conference 2021 (2021)
• A trial to assess the decline level of Fagus crenata in mountainous forest areas

  Presenter : Shimizu H., Ishima T., Suda R., Kaneko Y., Kajihara Y., Hamamura K., Yagoh H., Takahashi Y.
  Name of Society : The 83rd Annual Meeting of the Botanical Society of Japan (2019)
  Name of Proceedings : Proceedings of the 83rd Annual Meeting of the Botanical Society of Japan, PL-026
• Observation of vertical profiles of NOx, O3, and VOCs to estimate their source/sink distributions by inverse modelling in a Japanese larch forest

  Presenter : Wada R., Ueyama M., Tani A., Mochizuki T., Miyazaki Y., Kawamura K., Takahashi Y., Saigusa N., Takanashi S., Miyama T., Nakano T., Matsumi Y., Katata G.
  Name of Society : International Symposium on Agricultural Meteorology 2019 (2019)
  Name of Proceedings : Proceedings of the International Symposium on Agricultural Meteorology 2019, 194
• Simulation of methane dynamics in a mid latitude eutrophic lake with constraints using incubation data

  Presenter : Iwata H., Nakano W., Stepanenko V., Kobayashi D., Taoka T., Miyabara Y., Hirata R., Takahashi Y.
  Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
  Name of Proceedings : Proceedings, 133
• 18 years to compensate all CO2 emission after a clearcut harvesting in a cool-temperate forest

  Presenter : Takagi K. , Aguilos M., Saigusa N., Liang N., Takahashi Y., Koike T., Sasa K., Fujinuma Y.
  Name of Society : AsiaFlux2019 (2019)
  Name of Proceedings : AsiaFlux2019 Conference Proceedings, 132
• The controlling factors of diffusive and ebullitive methane emission on sub daily time scale at a mid latitude shallow lake

  Presenter : Taoka T., Iwata H., Miyabara Y., Hirata R., Takahashi Y.
  Name of Society : AsiaFlux2019 20th Anniversary Workshop (2019)
  Name of Proceedings : Proceedings, 81
• Influence of phenological changes on CO2 uptake and the driving factors in Japanese mountain and alpine ecosystems

  Presenter : Ide R., Oguma H., Takahashi Y., Saigusa N.
  Name of Society : OzFlux - AsiaFlux Joint Conference 2018 (2018)
  Name of Proceedings : OzFlux - AsiaFlux Joint Conference 2018 Abstracts, 62-63
• Eddy covariance and biogeochemical observations of methane dynamics in a shallow mid-latitude lake in Japan

  Presenter : Iwata H., Hirata R., Takahashi Y., Itoh M., Miyabara Y., Kobayashi D.
  Name of Society : 15th AsiaFlux Workshop (OzFlux-AsiaFlux Joint Conference) (2018)
  Name of Proceedings : Abstracts, 63-64
• Preliminary Survey for Evaluation of N Cycling in Oil Palm Plantation on Peat Soil in Malaysia-Spatial Distribution of Dissolved Nitrous Oxide and Nitrate Concentrations in Drainage Water on a Plantation Scale-

  Presenter : Nishina K., Hirata R., Takahashi Y., Onodera T., Melling L., Musin K., Waili J., Ratai J., Abdullah M., Merikan C., Toyoda S., Terajima K.
  Name of Society : AGU Fall Meeting (2018)
  Name of Proceedings : Abstract
• A trial of the biological/environmental monitoring for mountainous forest conservation in Japan

  Presenter : Shimizu H., Yagoh H., Endo T., Yamaguchi T., Kaneko T., Matsuda K., Yamamoto T., Suda R., Hamamura K., Ishima T., Kajihara Y., Kawano K., Kuninaga T., Nishimoto T., Wada S., Nakajima H., Uchida A., Mizutani M., Asanuma T., Takahashi K.
  Name of Society : The Third Asian Air Pollution Workshop (AAPW-3) (2017)
  Name of Proceedings : The Third Asian Air Pollution Workshop (AAPW-3), Abstracts, 17
• Ground-based Network of Long-term Measurement of Sun-Induced Chlorophyll Fluorescence

  Presenter : Kato T., Tsujimoto K., Nasahara K., Akitsu T., Nagai S., Ono K., Saitoh T.M., Muraoka H., Noda H., Saigusa N., Ide R., Takahashi Y.
  Name of Society : The 12th International Workshop on Greenhouse Gas Measurements from Space (IWGGMS-12) (2016)
  Name of Proceedings : Abstracts, 83
• Phenological changes for 10 years and the influence on ecosystem productivity in a larch forest at the foot of Mt. Fuji

  Presenter : Ide R., Oguma H., Hirose Y., Takahashi Y., Saigusa N.
  Name of Society : 日本地球惑星科学連合2016年大会 (2016)
  Name of Proceedings : -, ACG22-P10
• Long-term monitoring of CO2 exchange over a larch forest in central Japan

  Presenter : Takahashi Y., Saigusa N., Ide R., Hirata R.
  Name of Society : Joint conference of the AsiaFlux Workshop 2015 and ISPRS (International Society for Photogrammetry and Remote Sensing) TC WG VIII/3: Weather, Atmosphere and Climate Studies Weather, Atmosphere and Climate Studies on Challenges and Significance of Ecosystem Research in Asia to Better Understand Climate Change (2015)
  Name of Proceedings : Abstracts, 99
• Relationship between ecosystem photosynthetic parameters derived from flux observation and modis vegetation indices of East Asian forests

  Presenter : Takagi K., Ueyama M., Ide R., Ichii K., Ono K., Hirata R., Saigusa N., Hirano T., Kwon H., Hong J., Zhang L., Li S.G., Han S., Wang H-M., Zhang Y-P., Asanuma J., Gamo M., Maeda T., Murayama S., Machimura T., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y.
  Name of Society : AsiaFlux Workshop 2014 on 'Bridging Atmosheric Flux Monitoring to National and International Climate Change Initiatives' (2014)
  Name of Proceedings : Abstracts, 59
• Measurement of Biogenic VOC Fluxes above a Japanese Larch Forest Using a Relaxed Eddy Accumulation Method

  Presenter : Mochizuki T., Ueyama M., Takahashi Y., Saigusa N., Tani A.
  Name of Society : The 55th Symposium of the International Association for Vegetation Science (2012)
  Name of Proceedings : Abstracts, 229
• Constraining radiocarbon signature of soil organic matter in Alaskan Arctic soil: Implication for importance basis examining the impact of climate warming on CO2 release

  Presenter : Kondo M., Uchida M., Kim Y., Utsumi M., Shinozaki T., Takahashi Y., Adachi M., Shibata Y.
  Name of Society : Arct.Sci.Summit Week 2011 (2011)
  Name of Proceedings : Program, 21
• Inter-site comparison of ecosystem physiological parameters of Asian forest

  Presenter : Takagi K., Hirata R., Ueyama M., Ono K., Ide R., Ogawa A., Hirano T., Saigusa N., Kwon H., Hong J., Leiming Z., Li S., Asanuma J., Gamo M., Han S., Machemura T., Maeda T., Murayama S., Nakai Y., Ohta T., Saitoh T.M., Takahashi Y., Wang H., Zhang Y.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship" (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 115
• Characteristics of temporal variations in ecosystem CO2 exchange in a temperate deciduous needle-leaf forest in foothill of high mountain

  Presenter : Takahashi Y., Saigusa N., Ide R.
  Name of Society : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship (2011)
  Name of Proceedings : AsiaFlux Workshop 2011 Brindging Ecosystem Science to Services and Stewardship Proceedings, 59
• An accurate CO2 measurement system for standard gases using NDIR CO2 analyzer and CRDS 13CO2 analyzer

  Presenter : Katsumata K., Nara H., Tohjima Y., Takahashi Y., Machida T., Mukai H.
  Name of Society : 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (2011)
  Name of Proceedings : Abstracts of 16th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques
• Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis of phospholipid fatty acids (PLFAs)

  Presenter : Uchida M., Kondo M., Uchida M., Takahashi Y., Utsumi M., Kumata H., Shibata Y.
  Name of Society : 10th Ny-Alesund Seminar (2011)
  Name of Proceedings : Abstracts, 74
• Long-term monitoring of CO2 flux at a larch forest in foothill of Mt.Fuji, Japan

  Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
  Name of Society : AsisFlux Workshop 2010 (2010)
  Name of Proceedings : Proceedings, 123
• The heterotrophic respiration using old carbon in arctic soil: Insights from compound-specific radiocarbon analysis

  Presenter : Uchida M., Uchida M., Utsumi M., Kondo M., Takahashi Y., Shibata Y.
  Name of Society : 2nd Int.Symp.Arct.Res. (2010)
  Name of Proceedings : Abstracts, 81
• Evidence of heterotrophic microbial decomposition of preaged carbon in Arctic soil; Insights from molecular level natural radiocarbon analysis

  Presenter : Uchida M., Utsumi M., Kondo M., Takahashi Y., Uchida M.
  Name of Society : AGU Fall Meeting 2010 (2010)
  Name of Proceedings : Abstracts, B41F-0378
• Radiocarbon constraints for soil carbon accumulation and carbon release of boreal forests and tundra ecosystem in Alaska

  Presenter : Kondo M., Uchida M., Kim Y., Takahashi Y., Shinozaki T., Utsumi M., Shibata Y.
  Name of Society : Environ.Radioact.2010 (2010)
  Name of Proceedings : Abstracts
• Carbon balance of larch forests in East Asia responding to the climate change

  Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai I., Ohta T., Saigusa N., Takahashi Y., Hirano T.
  Name of Society : 8th Int.Carbon Dioxide Conf. (2009)
  Name of Proceedings : Program
• Spatial and temporal variations in trace gas exchange rates observed in a forest soil

  Presenter : Takahashi Y., Liang N.
  Name of Society : 6th Int.Sci.Conf.Global Energy Water Cycle,2nd Integrated Land Ecosystem - Atmos.Processes Study (iLEAPS) Sci.Conf. (2009)
  Name of Proceedings : Proceedings, 96-97
• CO2 flux observation in the foothills of a high mountain

  Presenter : Takahashi Y., Hirata R., Saigusa N., Ide R., Takahashi A.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 115
• Simulating carbon balance of larch forests in East Asia from stand to regional scale

  Presenter : Ueyama M., Ichii K., Hirata R., Takagi K., Asanuma J., Machimura T., Nakai Y., Ohta T., Saigusa N., Takahashi Y., Hirano T.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 39
• Evaluation of methane flux in a temperate larch forest based on the flux measurements and inverse method

  Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Liang N., Saigusa N.
  Name of Society : AsiaFlux Workshop 2009 (2009)
  Name of Proceedings : Abstracts, 75
• Estimating forest photosynthetic capacity by using spectral vegetation indices: Comparisons among three larch forests in Japan

  Presenter : Ide R., Nakaji T., Oguma H., Takagi K., Takahashi Y., Saigusa N.
  Name of Society : SATECO 2008 (2008)
  Name of Proceedings : Abstracts, 87
• Radiocarbon based carbon source identification of soil respiration Spitsbergen Island in the Norwegian high Arctic

  Presenter : Uchida M., Uchida M., Takahashi Y., Nakatsubo T.
  Name of Society : 日本地球惑星科学連合 2008年大会 (2008)
  Name of Proceedings : 同予稿集, L173-P005
• Comparative CO2 flux measurment with an REA method and open path, closed-path method in Fuji Hokuroku Japan

  Presenter : Hamotani K., Ueyama M., Nishimura W., Takahashi Y., Hirata R., Saigusa N.
  Name of Society : AsiaFlux Workshop 2008 (2008)
  Name of Proceedings : Abstracts, 51
• Measurement of methane flux over a larch forest by a relaxed eddy accumulation method at Fuji-Hokuroku, Japan

  Presenter : Nishimura W., Hamotani K., Ueyama M., Takahashi Y., Saigusa N.
  Name of Society : AsiaFlux Workshop 2008 (2008)
  Name of Proceedings : Abstracts, 48-49
• Simultaneous flux measurements of CO2, its stable isotope ratios and trace gases based on eddy accumulation technique for flux partitioning

  Presenter : Takahashi Y., Hirata R.
  Name of Society : AGU 2007 Fall Meet. (2007)
  Name of Proceedings : Abstracts, B13B-1195
• Variability in carbon stable isotope ratio of heterotrophic soil respiration in a deciduous needle-leaf forest

  Presenter : Takahashi Y., Liang N., Hirata R., Machida T., Fujinuma Y.
  Name of Society : AGU 2005 Fall Meet. (2005)
  Name of Proceedings : Abstracts

• Changes in GHG fluxes by converting from disturbed secondary peat swamp forest to oil palm plantation

  Presenter : Hirata R., Wong G.X., Kiew F, Takahashi Y., Onodera T., Nishina K., Aeries B.A., Musin K.K., Waili J.W., Lo K.S., Melling L.
  Name of Society : AsiaFlux conference 2002 (2022)
  Name of Proceedings : Abstracts, 126
• Effect-based Detection of Organic Chemicals in PM2.5 for Their Risk Management

  Presenter : Suzuki G., Michinaka C., Nakajima D., Furuyama A., Ito T., Sato K., Kondo Y., Fujitani Y., Takahashi Y., Yagishita M., Ramasamy S., Takami A., Fushimi A.
  Name of Society : 47th Myanmar Health Research Congress (2019)
  Name of Proceedings : Abstracts, 21-25

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