Latest Update：2020/07/08 17:19:36

NAKAOKA Shinichirou

Researcher Name: NAKAOKA Shinichirou

Div (Section) name/title: Center for Global Environmental Research（Office for Atmospheric and Oceanic Monitoring）／Senior Researcher

Research Subject: Research of global oceanic CO2 uptake based on observation

Degree(s): Doctorate of Science

Professional Qualification(s): Science,Earth Science,Physics

Environmental Speciality Field: carbon cycle,ocean

Keyword(s): marine CO2 observation,Basin scale oceanic pCO2 estimate,air-sea CO2 flux

Research Subject

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
- 25182 : Long-term observations of the impacts of global warming on air quality and marine deposition in Asia and the Pacific
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
- 24856 : Long-term observations of the impacts of global warming on air quality and marine deposition in Asia and the Pacific
- 25015 : Response detection of biogeochemical climate change by ocean surface observation network with international database
- 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
- 24480 : Response detection of biogeochemical climate change by ocean surface observation network with international database
- 24514 : Global warming impacts on thermohaline circulation and subsequent biogeochemical change in the Japan Sea
- 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
- 23928 : Response detection of biogeochemical climate change by ocean surface observation network with international database
- 24053 : Global warming impacts on thermohaline circulation and subsequent biogeochemical change in the Japan Sea
- 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
- 23606 : Global warming impacts on thermohaline circulation and subsequent biogeochemical change in the Japan Sea
- 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
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
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
- 22539 : Promotion of International Database of Ocean Surface pCO2 and Use for Basin Scale Estimation of Ocean CO2 Sink and Sources
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
Fiscal Year: 2011
- 21284 : Study on characteristics of GHG in the atmosphere and outlook of their future concentration
Fiscal Year: 2010
- 21092 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 21222 : Study for functional data base of ocean surface CO2 observation and variability analysis in the Pacific Ocean
Fiscal Year: 2009
- 20608 : Study on long-term variation mechanisms of greenhouse gas concentrations and their regional characteristics
- 20749 : Study for functional data base of ocean surface CO2 observation and variability analysis in the Pacific Ocean

View all

Research Result (Publication)

all
Original Paper
Review

Original Paper
Effects of phytoplankton community composition and productivity on sea surface pCO2 variations in the Southern Ocean

Presenter : Takao S., Nakaoka S., Hashihama F., Shimada K., Yoshikawa-Inoue H., Hirawake T., Kanda J., Hashida G., Suzuki K.
Title : , Deep-Sea Research Part I (2020)
Original Paper
Global Carbon Budget 2019

Presenter : Friedlingstein P., Jones M.W., O’Sullivan M., Andrew R.M., Hauck J., Peters G.P., Peters W., Pongratz J., Sitch S., Quere C.L., Bakker D.C.E., Canadell J.G., Ciais P., Jackson R.B., Anthoni P., Barbero L., Bastos A., Bastrikov V., Becker M., Bopp L., Buitenhuis E., Chandra N., Chevallier F., Chini L.P., Currie K.I., Feely R.A., Gehlen M., Gilfillan D., Gkritzalis T., Goll D.S., Gruber N., Gutekunst S., Harris I., Haverd V., Houghton R.A., Hurtt G., Ilyina T., Jain A.K., Joetzjer E., Kaplan J.O., Kato E., Goldewijk K.K., Korsbakken J.I., Landschutzer P., Lauvset S.K., Lefevre N., Lenton A., Lienert S., Lombardozzi D., Marland G., McGuire P.C., Melton J.R., Metzl N., Munro D.R., Nabel J.E.M.S., Nakaoka S., Neill C., Omar A.M., Ono T., Peregon A., Pierrot D., Poulter B., Rehder G., Resplandy L., Robertson E., Rodenbeck C., Seferian R., Schwinger J., Smith N., Tans P.P., Tian H., Tilbrook B., Tubiello F.N., Werf G.R.V.D., Wiltshire A.J., Zaehle S.
Title : , Earth System Science Data, 11:1783-1838 (2019)
Original Paper
Global carbon budgets estimated from atmospheric O2/N2 and CO2 observations in the western Pacific region over a 15-year period

Presenter : Tohjima Y., Mukai H., Machida T., Hoshina Y., Nakaoka S.
Title : , Atmospheric Chemistry and Physics, 19:9269-9285 (2019)
Review
A Surface Ocean CO2 Reference Network, SOCONET and Associated Marine Boundary Layer CO2 Measurements

Presenter : Wanninkhof R., Pickers P. A., Omar A. M., Sutton A., Murata A., Olsen A., Stephens B. B., Tilbrook B., Munro D., Pierrot D., Rehder G., Santana-Casiano J. M., Trinanes J., Tedesco K., O, Currie K., Barbero L., Telszewski M., Hoppema M., Ishii M., González-Dávila M., Bates N. R., Metzl N., Suntharalingam P., Feely R. A., Nakaoka S., Lauvset S. K., Takahashi T., Steinhoff T., Schuster U.
Title : , Frontiers in Marine Science, 6(400):1-21 (2019)
Original Paper
Variation of surface radiocarbon in the North Pacific during summer season 2004-2016

Presenter : Aramaki T., Nakaoka S., Terao Y., Kobayashi T., Osonoi Y., Mukai H., Tohjima Y.
Title : , Radiocarbon, 61(5):1367-1375 (2019)
Original Paper
Spatio-temporal variability of surface water pCO2 and nutrients in the tropical Pacific from 1981 to 2015

Presenter : Yasunaka S., Kouketsu S., Strutton P. G., Sutton A. J., Murata A., Nakaoka S., Nojiri Y.
Title : , Deep-Sea Research Part II, 169-170:104680 (2019)
Original Paper
Basin‐scale distribution of NH4+ and NO2− in the Pacifc Ocean

Presenter : Yasunaka S., Nojiri Y., Hashioka T., Yoshikawa C., Kodama T., Nakaoka S., Chiba S., Hashihama F., Wakita M., Furuya K., Sasano D., Murata A., Uchida H., Aoyama M.
Title : , Journal of Oceanography, 74:1-11 (2018)
Original Paper
Global Carbon Budget 2017

Presenter : Le Quéré C., Andrew R., Friedlingstein P., Sitch S., Pongratz J., Manning A., Korsbakken J., Peters G., Canadell J., 41 others, Nakaoka S., others
Title : , Earth System Science Data, 10:405-448 (2018)
Original Paper
In situ observation of atmospheric oxygen and carbon dioxide in the North Pacific using a cargo ship

Presenter : Hoshina Y., Tohjima Y., Katsumata K., Machida T., Nakaoka S.
Title : , Atmospheric Chemistry and Physics, 18:9283-9295 (2018)
Original Paper
Global Carbon Budget 2018

Presenter : Quere C.L., Andrew R.M., Friedlingstein P., Sitch S., Hauck J., Pongratz J., Pickers P.A., Korsbakken J.I., Peters G.P., Canadell J.G., Arneth A., Arora V.K., Barbero L., Bastos A., Bopp L., Chevallier F., Chini L.P., Ciais P., Doney S.C., Gkritzalis T., Goll D.S., Harris I., Haverd V., Hoffman F.M., Hoppema M., Houghton R.A., Hurtt G., Ilyina T., Jain A.K., Johannessen T., Jones C.D., Kato E., Keeling R.F., Goldewijk K.K., Landschützer P., Lefevre N., Lienert S., Liu Z., Lombardozzi D., Metzl N., Munro D.R., Nabel J.E.M.S., Nakaoka S., Neill C., Olsen A., Ono T., Patra P., Peregon A., Peters W., Peylin P., Pfeil B., Pierrot D., Poulter B., Rehder G., Resplandy L., Robertson E., Rocher M., Rodenbeck C., Schuster U., Schwinger J., Seferian R., Skjelvan I., Steinhoff T., Sutton A., Tans P.P., Tian H., Tilbrook B., Tubiello F.N., Laan-Luijkx I.T.V.D., Werf G.R.V.D., Viovy N., Walker A.P., Wiltshire A.J., Wright R., Zaehle S., Zheng B.
Title : , Earth System Science Data, 10:2141-2194 (2018)
Original Paper
Technical note: Evaluation of three machine learning models for surface ocean CO2 mapping

Presenter : Zeng J., Matsunaga T., Saigusa N., Shirai T., Nakaoka S., Tan Z.H.
Title : , Ocean Science, 13(2):303-313 (2017)
Original Paper
Long-term variability of surface nutrient concentrations in the North Pacific

Presenter : Yasunaka S., Ono T., Nojiri Y., Whitney F.A., Wada C., Murata A., Nakaoka S., Hosoda S.
Title : , Geophysical Research Letters, 43:3389-3397 (2016)
Original Paper
A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT)

Presenter : Dorothee C. E. Bakker, Benjamin Pfeil, Camilla S. Landa, Nicolas Metzl, Kevin M. O’Brien, Are Olsen, Karl Smith, Cathy Cosca, Harasawa S., Stephen D. Jones, Nakaoka S., Nojiri Y., Ute Schuster, Tobias Steinhoff, Colm Sweeney, Taro Takahashi, Bronte Tilbrook, Wada C., et al.
Title : , Earth System Science Data, 8:383-413 (2016)
Original Paper
Global Carbon Budget 2016

Presenter : Quere C.L., Andrew R.M., Canadell J.G., Sitch S., Korsbakken J.I., Peters G.P., Manning A.C., Boden T.A., Tans P.P., Houghton R.A., Keeling R.F., Alin S., Andrews O.D., Barbero L., Bopp L., Chevallier F., Chini L.P., Ciais P., Currie K., Delire C., Doney S.C., Friedlingstein P., Gkritzalis T., Harris I., Hauck J., Haverd V., Hoppema M., Goldewijk K.K., Jain A.K., Kato E., Kortzinger A., Landschutzer P., Lefevre N.L., Lenton A., Lienert S., Lombardozzi D.L., Melton J.R., Metzl N., Millero F., Monteiro P.M.S., Munro D.R., Nabel J.E.M.S., Nakaoka S., Brien K.O., Olsen A., Omar A.M., Ono T., Pierrot D., Poulter B., Rodenbeck C., Salisbury J., Schuster U., Schwinger J.
Title : , Earth System Science Data, 8:1-45 (2016)
Original Paper
Technical note: Evaluation of three machine learning models for surface ocean CO2 mapping

Presenter : Zeng J., Matsunaga T., Saigusa N., Shirai T., Nakaoka S., Hong Z.
Title : , Ocean Science Discussions (2016)
Original Paper
Surface ocean CO2 in 1990-2011 modelled using a feed-forward neural network

Presenter : Zeng J., Nojiri Y., Nakaoka S., Nakajima H., Shirai T.
Title : , Geoscience Data Journal, 2:47-51 (2015)
Original Paper
Reconstructing the Carbon Dioxide Absorption Patterns of World Oceans Using a Feed-Forward Neural Network: Software Implementation and Employment Techniques

Presenter : Zeng J., Nakajima H., Nojiri Y., Nakaoka S.
Title : , Environmental Software Systems, 11th IFIP WG 5.11 International Symposium, ISESS 2015, 417-425 (2015)
Original Paper
Data-based estimates of the ocean carbon sink variability – first results of the Surface Ocean pCO2 Mapping intercomparison (SOCOM)

Presenter : Rodenbeck C., Bakker D. C. E. , Gruber N., Iida Y., Jacobson A. R. , Jones S., Landschützer P., Metzl N., Nakaoka S., Olsen A., Park G.H. , Peylin P., Rodgers K.B., Sasse T.P., Schuster U., Shutler J.D., Valsala V., Wanninkhof R., Zeng J.
Title : , Biogeosciences, 12:7251-7278 (2015)
Original Paper
North Pacific dissolved inorganic carbon variations related to the Pacific Decadal Oscillation

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N.
Title : , Geophysical Research Letters, 41:1005-1011 (2014)
Original Paper
A Global Surface Ocean fCO2 Climatology Based on a Feed-Forward Neural Network

Presenter : Zeng J., Nojiri Y., Landschützer P., Telszewski M., Nakaoka S.
Title : , Journal of Atmospheric and Oceanic Technology , 31(8):1838-1849 (2014)
Original Paper
Mapping of sea surface nutrients in the North Pacific: Basin-wide distribution and seasonal to interannual variability

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Whitney A. F., Telszewski M.
Title : , Journal of Geophysical Research: Oceans, 119:7756-7771 (2014)
Original Paper
Monthly maps of Sea Surface Dissolved Inorganic Carbon in the North Pacific: Basin-wide Distribution and Seasonal Variation

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N.
Title : , Journal of Geophysical Research, 118(8):3737-3977 (2013)
Original Paper
Estimating temporal and spatial variation of ocean surface pCO2 in the North Pacific using a self-organizing map neural network technique

Presenter : Nakaoka S., Telszewski M, Nojiri Y., Yasunaka S., Miyazaki C., Mukai H., Usui N.
Title : , Biogeosciences, 10:6093-6106 (2013)
Original Paper
Climate impacts on the structures of the North Pacific air-sea CO2 flux variability

Presenter : Valsala V., Maksyutov S., Telszewski M., Nakaoka S., Nojiri Y., Ikeda M., Murtugudde R.
Title : , Biogeosciences, 9(1):477-492 (2012)
Climate impacts on the structures of the North Pacific air-sea CO2 flux variability

Presenter : Valsala V., Maksyutov S., Maciej T. , Nakaoka S., Nojiri Y., Ikeda M., Murtugudde R.
Title : , Biogeosciences Discussions, 8(3):4239-4280 (2011)
Original Paper
Summertime variations of oceanic pCO2 and air-sea CO2 flux in the eastern Indian sector of the Southern Ocean for the austral summer of 2001-2002

Presenter : Nakaoka S., Nakazawa T., Yoshikawa-Inoue H., Aoki S., Hashida G., Ishii M., Yamanouchi T., Odate T., Fukuchi M.
Title : , Geophys.Res.Lett., 36:L14610 (2009)

View all

Effects of phytoplankton community composition and productivity on sea surface pCO2 variations in the Southern Ocean

Presenter : Takao S., Nakaoka S., Hashihama F., Shimada K., Yoshikawa-Inoue H., Hirawake T., Kanda J., Hashida G., Suzuki K.
Title : , Deep-Sea Research Part I (2020)
Global Carbon Budget 2019

Presenter : Friedlingstein P., Jones M.W., O’Sullivan M., Andrew R.M., Hauck J., Peters G.P., Peters W., Pongratz J., Sitch S., Quere C.L., Bakker D.C.E., Canadell J.G., Ciais P., Jackson R.B., Anthoni P., Barbero L., Bastos A., Bastrikov V., Becker M., Bopp L., Buitenhuis E., Chandra N., Chevallier F., Chini L.P., Currie K.I., Feely R.A., Gehlen M., Gilfillan D., Gkritzalis T., Goll D.S., Gruber N., Gutekunst S., Harris I., Haverd V., Houghton R.A., Hurtt G., Ilyina T., Jain A.K., Joetzjer E., Kaplan J.O., Kato E., Goldewijk K.K., Korsbakken J.I., Landschutzer P., Lauvset S.K., Lefevre N., Lenton A., Lienert S., Lombardozzi D., Marland G., McGuire P.C., Melton J.R., Metzl N., Munro D.R., Nabel J.E.M.S., Nakaoka S., Neill C., Omar A.M., Ono T., Peregon A., Pierrot D., Poulter B., Rehder G., Resplandy L., Robertson E., Rodenbeck C., Seferian R., Schwinger J., Smith N., Tans P.P., Tian H., Tilbrook B., Tubiello F.N., Werf G.R.V.D., Wiltshire A.J., Zaehle S.
Title : , Earth System Science Data, 11:1783-1838 (2019)
Global carbon budgets estimated from atmospheric O2/N2 and CO2 observations in the western Pacific region over a 15-year period

Presenter : Tohjima Y., Mukai H., Machida T., Hoshina Y., Nakaoka S.
Title : , Atmospheric Chemistry and Physics, 19:9269-9285 (2019)
Variation of surface radiocarbon in the North Pacific during summer season 2004-2016

Presenter : Aramaki T., Nakaoka S., Terao Y., Kobayashi T., Osonoi Y., Mukai H., Tohjima Y.
Title : , Radiocarbon, 61(5):1367-1375 (2019)
Spatio-temporal variability of surface water pCO2 and nutrients in the tropical Pacific from 1981 to 2015

Presenter : Yasunaka S., Kouketsu S., Strutton P. G., Sutton A. J., Murata A., Nakaoka S., Nojiri Y.
Title : , Deep-Sea Research Part II, 169-170:104680 (2019)
Basin‐scale distribution of NH4+ and NO2− in the Pacifc Ocean

Presenter : Yasunaka S., Nojiri Y., Hashioka T., Yoshikawa C., Kodama T., Nakaoka S., Chiba S., Hashihama F., Wakita M., Furuya K., Sasano D., Murata A., Uchida H., Aoyama M.
Title : , Journal of Oceanography, 74:1-11 (2018)
Global Carbon Budget 2017

Presenter : Le Quéré C., Andrew R., Friedlingstein P., Sitch S., Pongratz J., Manning A., Korsbakken J., Peters G., Canadell J., 41 others, Nakaoka S., others
Title : , Earth System Science Data, 10:405-448 (2018)
In situ observation of atmospheric oxygen and carbon dioxide in the North Pacific using a cargo ship

Presenter : Hoshina Y., Tohjima Y., Katsumata K., Machida T., Nakaoka S.
Title : , Atmospheric Chemistry and Physics, 18:9283-9295 (2018)
Global Carbon Budget 2018

Presenter : Quere C.L., Andrew R.M., Friedlingstein P., Sitch S., Hauck J., Pongratz J., Pickers P.A., Korsbakken J.I., Peters G.P., Canadell J.G., Arneth A., Arora V.K., Barbero L., Bastos A., Bopp L., Chevallier F., Chini L.P., Ciais P., Doney S.C., Gkritzalis T., Goll D.S., Harris I., Haverd V., Hoffman F.M., Hoppema M., Houghton R.A., Hurtt G., Ilyina T., Jain A.K., Johannessen T., Jones C.D., Kato E., Keeling R.F., Goldewijk K.K., Landschützer P., Lefevre N., Lienert S., Liu Z., Lombardozzi D., Metzl N., Munro D.R., Nabel J.E.M.S., Nakaoka S., Neill C., Olsen A., Ono T., Patra P., Peregon A., Peters W., Peylin P., Pfeil B., Pierrot D., Poulter B., Rehder G., Resplandy L., Robertson E., Rocher M., Rodenbeck C., Schuster U., Schwinger J., Seferian R., Skjelvan I., Steinhoff T., Sutton A., Tans P.P., Tian H., Tilbrook B., Tubiello F.N., Laan-Luijkx I.T.V.D., Werf G.R.V.D., Viovy N., Walker A.P., Wiltshire A.J., Wright R., Zaehle S., Zheng B.
Title : , Earth System Science Data, 10:2141-2194 (2018)
Technical note: Evaluation of three machine learning models for surface ocean CO2 mapping

Presenter : Zeng J., Matsunaga T., Saigusa N., Shirai T., Nakaoka S., Tan Z.H.
Title : , Ocean Science, 13(2):303-313 (2017)
Long-term variability of surface nutrient concentrations in the North Pacific

Presenter : Yasunaka S., Ono T., Nojiri Y., Whitney F.A., Wada C., Murata A., Nakaoka S., Hosoda S.
Title : , Geophysical Research Letters, 43:3389-3397 (2016)
A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT)

Presenter : Dorothee C. E. Bakker, Benjamin Pfeil, Camilla S. Landa, Nicolas Metzl, Kevin M. O’Brien, Are Olsen, Karl Smith, Cathy Cosca, Harasawa S., Stephen D. Jones, Nakaoka S., Nojiri Y., Ute Schuster, Tobias Steinhoff, Colm Sweeney, Taro Takahashi, Bronte Tilbrook, Wada C., et al.
Title : , Earth System Science Data, 8:383-413 (2016)
Global Carbon Budget 2016

Presenter : Quere C.L., Andrew R.M., Canadell J.G., Sitch S., Korsbakken J.I., Peters G.P., Manning A.C., Boden T.A., Tans P.P., Houghton R.A., Keeling R.F., Alin S., Andrews O.D., Barbero L., Bopp L., Chevallier F., Chini L.P., Ciais P., Currie K., Delire C., Doney S.C., Friedlingstein P., Gkritzalis T., Harris I., Hauck J., Haverd V., Hoppema M., Goldewijk K.K., Jain A.K., Kato E., Kortzinger A., Landschutzer P., Lefevre N.L., Lenton A., Lienert S., Lombardozzi D.L., Melton J.R., Metzl N., Millero F., Monteiro P.M.S., Munro D.R., Nabel J.E.M.S., Nakaoka S., Brien K.O., Olsen A., Omar A.M., Ono T., Pierrot D., Poulter B., Rodenbeck C., Salisbury J., Schuster U., Schwinger J.
Title : , Earth System Science Data, 8:1-45 (2016)
Technical note: Evaluation of three machine learning models for surface ocean CO2 mapping

Presenter : Zeng J., Matsunaga T., Saigusa N., Shirai T., Nakaoka S., Hong Z.
Title : , Ocean Science Discussions (2016)
Surface ocean CO2 in 1990-2011 modelled using a feed-forward neural network

Presenter : Zeng J., Nojiri Y., Nakaoka S., Nakajima H., Shirai T.
Title : , Geoscience Data Journal, 2:47-51 (2015)
Reconstructing the Carbon Dioxide Absorption Patterns of World Oceans Using a Feed-Forward Neural Network: Software Implementation and Employment Techniques

Presenter : Zeng J., Nakajima H., Nojiri Y., Nakaoka S.
Title : , Environmental Software Systems, 11th IFIP WG 5.11 International Symposium, ISESS 2015, 417-425 (2015)
Data-based estimates of the ocean carbon sink variability – first results of the Surface Ocean pCO2 Mapping intercomparison (SOCOM)

Presenter : Rodenbeck C., Bakker D. C. E. , Gruber N., Iida Y., Jacobson A. R. , Jones S., Landschützer P., Metzl N., Nakaoka S., Olsen A., Park G.H. , Peylin P., Rodgers K.B., Sasse T.P., Schuster U., Shutler J.D., Valsala V., Wanninkhof R., Zeng J.
Title : , Biogeosciences, 12:7251-7278 (2015)
North Pacific dissolved inorganic carbon variations related to the Pacific Decadal Oscillation

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N.
Title : , Geophysical Research Letters, 41:1005-1011 (2014)
A Global Surface Ocean fCO2 Climatology Based on a Feed-Forward Neural Network

Presenter : Zeng J., Nojiri Y., Landschützer P., Telszewski M., Nakaoka S.
Title : , Journal of Atmospheric and Oceanic Technology , 31(8):1838-1849 (2014)
Mapping of sea surface nutrients in the North Pacific: Basin-wide distribution and seasonal to interannual variability

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Whitney A. F., Telszewski M.
Title : , Journal of Geophysical Research: Oceans, 119:7756-7771 (2014)
Monthly maps of Sea Surface Dissolved Inorganic Carbon in the North Pacific: Basin-wide Distribution and Seasonal Variation

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N.
Title : , Journal of Geophysical Research, 118(8):3737-3977 (2013)
Estimating temporal and spatial variation of ocean surface pCO2 in the North Pacific using a self-organizing map neural network technique

Presenter : Nakaoka S., Telszewski M, Nojiri Y., Yasunaka S., Miyazaki C., Mukai H., Usui N.
Title : , Biogeosciences, 10:6093-6106 (2013)
Climate impacts on the structures of the North Pacific air-sea CO2 flux variability

Presenter : Valsala V., Maksyutov S., Telszewski M., Nakaoka S., Nojiri Y., Ikeda M., Murtugudde R.
Title : , Biogeosciences, 9(1):477-492 (2012)
Summertime variations of oceanic pCO2 and air-sea CO2 flux in the eastern Indian sector of the Southern Ocean for the austral summer of 2001-2002

Presenter : Nakaoka S., Nakazawa T., Yoshikawa-Inoue H., Aoki S., Hashida G., Ishii M., Yamanouchi T., Odate T., Fukuchi M.
Title : , Geophys.Res.Lett., 36:L14610 (2009)

View all

A Surface Ocean CO2 Reference Network, SOCONET and Associated Marine Boundary Layer CO2 Measurements

Presenter : Wanninkhof R., Pickers P. A., Omar A. M., Sutton A., Murata A., Olsen A., Stephens B. B., Tilbrook B., Munro D., Pierrot D., Rehder G., Santana-Casiano J. M., Trinanes J., Tedesco K., O, Currie K., Barbero L., Telszewski M., Hoppema M., Ishii M., González-Dávila M., Bates N. R., Metzl N., Suntharalingam P., Feely R. A., Nakaoka S., Lauvset S. K., Takahashi T., Steinhoff T., Schuster U.
Title : , Frontiers in Marine Science, 6(400):1-21 (2019)

View all

Research Result (Presentation)

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Research Presentation
Research Lecture

Research Presentation
Greenhouse Gas Analyzing Platform using Ground Sites, Aircraft, Ships, and Satellite-based Data: Japan's Contribution to the Paris Agreement

Presenter : Saigusa N., Machida T., Nakaoka S., Matsunaga T., Tanimoto H., Niwa Y., Terao Y., Ito A.
Name of Society : EGU General Assembly 2020 (2020)
Name of Proceedings : Abstracts
Research Presentation
Effects of Phytoplankton Community Composition and Productivity on Sea Surface pCO2 Variations in the Southern Ocean

Presenter : Takao S., Nakaoka S., Hashihama F., Shimada K., Yoshikawa-Inoue H., Hirawake T., Kanda J., Hashida G., Suzuki K.
Name of Society : Ocean Sciences Meeting 2020 (2020)
Name of Proceedings : Abstracts
Research Presentation
Inter-annual variability of ocean surface carbonate system parameters and their trends in the Pacific Ocean since 2001

Presenter : Nakaoka S., Nojiri Y., Yasunaka S., Ono T., Takao S., Telszewski M.
Name of Society : Ocean Science Meeting 2020 (2020)
Name of Proceedings : Abstracts
Research Presentation
fCO2 and sea-air CO2 flux variability in the global ocean from 2001 to 2014

Presenter : Nakaoka S., Nojiri Y., Yasunaka S., Ono T., Hayashi K., Telszewski M.
Name of Society : SOLAS Open Science Conference 2019 (2019)
Name of Proceedings : Abstracts
Research Presentation
Fire-induced CO2 emission in Equatorial Asia during the 2015 drought estimated by aircraft and ship observations

Presenter : Niwa Y., Sawa Y., Nara H., Machida T., Matsueda H., Umezawa T., Ito A., Nakaoka S., Tanimoto H.
Name of Society : AGU Fall Meeting 2019 (2019)
Name of Proceedings : -
Research Presentation
Variations of surface radiocarbon of the North Pacific in summer season during the past decade

Presenter : Aramaki T., Nakaoka S., Terao Y., Kushibashi S., Kobayashi T., Osonoi Y., Mukai H., Tohjima Y.
Name of Society : 23rd International Radiocarbon Conference (2018)
Name of Proceedings : Book of Abstracts, 149
Research Presentation
Spatio-temporal variability of sea surface pCO2 and nutrient in the tropical Pacific from 1981 to 2015

Presenter : Yasunaka S., Kouketsu S., Murata A., Strutton P., Sutton A., Nakaoka S., Nojiri Y.
Name of Society : 6th Argo Science Workshop (2018)
Name of Proceedings : Abstracts
Research Presentation
Atmospheric O2/N2 and CO2 observation in the Pacific region and its application to the global carbon budget estimation

Presenter : Tohjima Y., Mukai H., Machida T., Hoshina Y., Nakaoka S.
Name of Society : 10th International Carbon Dioxide Conference (2017)
Name of Proceedings : Abstracts, 112
Research Presentation
Continuous observation of atmospheric oxygen concentration onboard a cargo ship sailing between Japan and North America

Presenter : Hoshina Y., Tohjima Y., Katsumata K., Machida T., Nakaoka S.
Name of Society : 19th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2017) (2017)
Name of Proceedings : Abstracts, 40
Research Presentation
Distribution of fCO2 trend due to the anthropogenic CO2 uptake and bio-geophysical variability in the Pacific Ocean

Presenter : Nakaoka S., Nojiri Y., Yasunaka S., Ono T., Zeng J., Hayashi K., Mukai H., Telszewski M.
Name of Society : 10th International Carbon Dioxide Conference (2017)
Name of Proceedings : Abstracts, 82
Research Presentation
Quantification of the ocean carbon sink using surface ocean observations

Presenter : Bakker D.C.E., Olsen A., Sabine C., Pfeil B., Alin S., Cosca C., Currie K., Feely R., Jones S., Kozyr A., Landa C., Landschutzer P., Lefevre N., Metzl N., Nakaoka S., Nojiri Y., O-Brien K.M., Denis P., Rodenbeck C., Schuster U., Karl S., Takahashi T., Telszewski M., Tilbrook B., Wanninkhof R.
Name of Society : 10th International Carbon Dioxide Conference (2017)
Name of Proceedings : Abstracts, 281
Research Presentation
Long-term monitoring of atmospheric greenhouse gases and data validation in NIES-VOS program

Presenter : Nara H., Tanimoto H., Mukai H., Nojiri Y., Machida T., Nakaoka S., Tohjima Y., Katsumata K.
Name of Society : 19th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques(GGMT-2017) (2017)
Name of Proceedings : Abstracts
Research Lecture
Evaluation of oceanic CO2 uptake based on global pCO2 observation database SOCAT

Presenter : Nakaoka S.
Name of Society : 9th GEOSS Asia-Pacific Symposium (2017)
Name of Proceedings : -
Research Presentation
Ocean surface pCO2 and Dissolved Inorganic Carbon distributions in the Pacific Ocean from 1998 to 2009

Presenter : Nakaoka S., Yasunaka S., Nojiri Y., Zeng J., Ono T., Takatani Y., Kojima A., Nakano T., Telszewski M.
Name of Society : 12th Annual Meeting Asia Oceania Geosciences Society (2015)
Name of Proceedings : Abstracts, 118
Research Presentation
Seasonal and interannual variation of pCO2 in Japan coastal waters

Presenter : Ono T., Kuwata A., Tadokoro K, Ichikawa T., Nojiri Y., Nakaoka S.
Name of Society : 12th Annual Meeting Asia Oceania Geosciences Society (2015)
Name of Proceedings : Abstract, 119
Research Presentation
Basin-scale Distribution and Seasonal to Inter-annual Variation of Dissolved Inorganic Carbon over the North Pacific

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N.
Name of Society : 12th Annual Meeting Asia Oceania Geosciences Union (2015)
Name of Proceedings : Abstracts, 119
Research Presentation
The composition of NIES underway measurement data and its QA/QC

Presenter : Miyazaki C., Nakaoka S., Nojiri Y.
Name of Society : SOCAT Pac.Reg.Workshop (2009)
Name of Proceedings : IOC Workshop Report, (221):5
Research Presentation
NIES ocean pCO2 measurement of VOS over the western Pacific

Presenter : Miyazaki C., Nakaoka S., Nojiri Y.
Name of Society : PICES 2009 Annu.Meet. (2009)
Name of Proceedings : Abstracts, 302

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Quantification of the ocean carbon sink using surface ocean observations

Presenter : Bakker D.C.E., Olsen A., Sabine C., Pfeil B., Alin S., Cosca C., Currie K., Feely R., Jones S., Kozyr A., Landa C., Landschutzer P., Lefevre N., Metzl N., Nakaoka S., Nojiri Y., O-Brien K.M., Denis P., Rodenbeck C., Schuster U., Karl S., Takahashi T., Telszewski M., Tilbrook B., Wanninkhof R.
Name of Society : 10th International Carbon Dioxide Conference (2017)
Name of Proceedings : Abstracts, 281
Ocean surface pCO2 and Dissolved Inorganic Carbon distributions in the Pacific Ocean from 1998 to 2009

Presenter : Nakaoka S., Yasunaka S., Nojiri Y., Zeng J., Ono T., Takatani Y., Kojima A., Nakano T., Telszewski M.
Name of Society : 12th Annual Meeting Asia Oceania Geosciences Society (2015)
Name of Proceedings : Abstracts, 118
Seasonal and interannual variation of pCO2 in Japan coastal waters

Presenter : Ono T., Kuwata A., Tadokoro K, Ichikawa T., Nojiri Y., Nakaoka S.
Name of Society : 12th Annual Meeting Asia Oceania Geosciences Society (2015)
Name of Proceedings : Abstract, 119
Basin-scale Distribution and Seasonal to Inter-annual Variation of Dissolved Inorganic Carbon over the North Pacific

Presenter : Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N.
Name of Society : 12th Annual Meeting Asia Oceania Geosciences Union (2015)
Name of Proceedings : Abstracts, 119
The composition of NIES underway measurement data and its QA/QC

Presenter : Miyazaki C., Nakaoka S., Nojiri Y.
Name of Society : SOCAT Pac.Reg.Workshop (2009)
Name of Proceedings : IOC Workshop Report, (221):5
Greenhouse Gas Analyzing Platform using Ground Sites, Aircraft, Ships, and Satellite-based Data: Japan's Contribution to the Paris Agreement

Presenter : Saigusa N., Machida T., Nakaoka S., Matsunaga T., Tanimoto H., Niwa Y., Terao Y., Ito A.
Name of Society : EGU General Assembly 2020 (2020)
Name of Proceedings : Abstracts
Effects of Phytoplankton Community Composition and Productivity on Sea Surface pCO2 Variations in the Southern Ocean

Presenter : Takao S., Nakaoka S., Hashihama F., Shimada K., Yoshikawa-Inoue H., Hirawake T., Kanda J., Hashida G., Suzuki K.
Name of Society : Ocean Sciences Meeting 2020 (2020)
Name of Proceedings : Abstracts
Inter-annual variability of ocean surface carbonate system parameters and their trends in the Pacific Ocean since 2001

Presenter : Nakaoka S., Nojiri Y., Yasunaka S., Ono T., Takao S., Telszewski M.
Name of Society : Ocean Science Meeting 2020 (2020)
Name of Proceedings : Abstracts
fCO2 and sea-air CO2 flux variability in the global ocean from 2001 to 2014

Presenter : Nakaoka S., Nojiri Y., Yasunaka S., Ono T., Hayashi K., Telszewski M.
Name of Society : SOLAS Open Science Conference 2019 (2019)
Name of Proceedings : Abstracts
Fire-induced CO2 emission in Equatorial Asia during the 2015 drought estimated by aircraft and ship observations

Presenter : Niwa Y., Sawa Y., Nara H., Machida T., Matsueda H., Umezawa T., Ito A., Nakaoka S., Tanimoto H.
Name of Society : AGU Fall Meeting 2019 (2019)
Name of Proceedings : -
Variations of surface radiocarbon of the North Pacific in summer season during the past decade

Presenter : Aramaki T., Nakaoka S., Terao Y., Kushibashi S., Kobayashi T., Osonoi Y., Mukai H., Tohjima Y.
Name of Society : 23rd International Radiocarbon Conference (2018)
Name of Proceedings : Book of Abstracts, 149
Spatio-temporal variability of sea surface pCO2 and nutrient in the tropical Pacific from 1981 to 2015

Presenter : Yasunaka S., Kouketsu S., Murata A., Strutton P., Sutton A., Nakaoka S., Nojiri Y.
Name of Society : 6th Argo Science Workshop (2018)
Name of Proceedings : Abstracts
Atmospheric O2/N2 and CO2 observation in the Pacific region and its application to the global carbon budget estimation

Presenter : Tohjima Y., Mukai H., Machida T., Hoshina Y., Nakaoka S.
Name of Society : 10th International Carbon Dioxide Conference (2017)
Name of Proceedings : Abstracts, 112
Continuous observation of atmospheric oxygen concentration onboard a cargo ship sailing between Japan and North America

Presenter : Hoshina Y., Tohjima Y., Katsumata K., Machida T., Nakaoka S.
Name of Society : 19th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques (GGMT-2017) (2017)
Name of Proceedings : Abstracts, 40
Distribution of fCO2 trend due to the anthropogenic CO2 uptake and bio-geophysical variability in the Pacific Ocean

Presenter : Nakaoka S., Nojiri Y., Yasunaka S., Ono T., Zeng J., Hayashi K., Mukai H., Telszewski M.
Name of Society : 10th International Carbon Dioxide Conference (2017)
Name of Proceedings : Abstracts, 82
Long-term monitoring of atmospheric greenhouse gases and data validation in NIES-VOS program

Presenter : Nara H., Tanimoto H., Mukai H., Nojiri Y., Machida T., Nakaoka S., Tohjima Y., Katsumata K.
Name of Society : 19th WMO/IAEA Meeting on Carbon Dioxide, Other Greenhouse Gases, and Related Measurement Techniques(GGMT-2017) (2017)
Name of Proceedings : Abstracts
NIES ocean pCO2 measurement of VOS over the western Pacific

Presenter : Miyazaki C., Nakaoka S., Nojiri Y.
Name of Society : PICES 2009 Annu.Meet. (2009)
Name of Proceedings : Abstracts, 302

View all

Evaluation of oceanic CO2 uptake based on global pCO2 observation database SOCAT

Presenter : Nakaoka S.
Name of Society : 9th GEOSS Asia-Pacific Symposium (2017)
Name of Proceedings : -

View all

NAKAOKA Shinichirou

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