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| NAKAOKA, Shin-Ichiro Publication List (until December 2024) 2024 Tohjima Y., Shirai T., Ishizawa M., Mukai H., Machida T., Sasakawa M., Terao Y., Tsuboi K., Takao S., Nakaoka S. (2024) Observed APO Seasonal Cycle in the Pacific: Estimation of Autumn O2 Oceanic Emissions. Global Biogeochemical Cycles, 38, e2024GB008230. 2023 Friedlingstein P., O'Sullivan M., Jones M.W., Andrew R.M., Bakker D.C.E., Hauck J., Landschutzer P., Quere C.L., Luijkx I.T., Peters G.P., Peters W., Pongratz J., Schwingshackl C., Sitch S., Canadell J.G., Ciais P., Jackson R.B., Alin S.R., Anthoni P., Barbero L., Bates N.R., Becker M., Bellouin N., Decharme B., Bopp L., Brasika I.B.M., Cadule P., Chamberlain M.A., Chandra N., Chau T.-T.-T., Chevallier F., Chini L.P., Cronin M., Dou X., Enyo K., Evans W., Falk S., Feely R.A., Feng L., Ford D.J., Gasser T., Ghattas J., Gkritzalis T., Grassi G., Gregor L., Gruber N., Gurses O., Harris I., Hefner M., Heinke J., Houghton R.A., Hurtt G.C., Iida Y., Ilyina T., Jacobson A.R., Jain A., Jarnikova T., Jersild A., Jiang F., Jin Z., Joos F., Kato E., Keeling R.F., Kennedy D., Goldewijk K.K., Knauer J., Korsbakken J.I., Kortzinger A., Lan X., Lefevre N., Li H., Liu J., Liu Z., Ma L., Marland G., Mayot N., McGuire P.C., McKinley G.A., Meyer G., Morgan E.J., Munro D.R., Nakaoka S., Niwa Y., O'Brien K.M., Olsen A., Omar A.M., Ono T., Paulsen M., Pierrot D., Pocock K., Poulter B., Powis C.M., Rehder G., Resplandy L., Robertson E., Rodenbeck C., Rosan T.M., Schwinger J., Seferian R., Smallman T.L., Smith S.M., Sospedra-Alfonso R., Sun Q., Sutton A.J., Sweeney C., Takao S., Tans P.P., Tian H., Tilbrook B., Tsujino H., Tubiello F., van der Werf G.R., van Ooijen E., Wanninkhof R., Watanabe M., Wimart-Rousseau C., Yang D., Yang X., Yuan W., Yue X., Zaehle S., Zeng J., Zheng B. Global Carbon Budget 2023. Earth System Science Data, 15 (12), 5301-5369. Tokoro T., Nakaoka S., Takao S., Saito S., Sasano D., Enyo M., Ishii M., Kosugi N., Nojiri Y. Statistical Analysis of Spatiotemporal Variations of Air-Sea CO2 Fluxes in the Kuroshio Region. Journal of Geophysical Research - Oceans, 128, e2023JC019762. Mueller A., Tanimoto H., Sugita T., Patra P.K., Nakaoka S., Machida T., Morino I., Butz A., Shiomi K. Ship- and aircraft-based XCH4 over oceans as new tool for satellite validation. Atmospheric Measurement Techniques, Ono H., Toyama K., Enyo K., Iida Y., Sasano D., Nakaoka S., Ishii M. Meridional Variability in Multi-Decadal Trends of Dissolved Inorganic Carbon in Surface Seawater of the Western North Pacific Along the 165°E Line. Journal of Geophysical Research: Oceans, 128, e2022JC018842. 2022 Tozawa M., Nomura D., Nakaoka S., Kiuchi M., Yamazaki K., Hirano D., Aoki S., Sasaki H., Murase H. (2022) Seasonal Variations and Drivers of Surface Ocean pCO2 in the Seasonal Ice Zone of the Eastern Indian Sector, Southern Ocean. Journal of Geophysical Research: Oceans, 127, e2021JC017953. 2021 Niwa Y., Sawa Y., Nara H., Machida T., Matsueda H., Umezawa T., Ito A., Nakaoka S., Tanimoto H., Tohjima Y. Estimation of fire-induced carbon emissions from Equatorial Asia in 2015 using in situ aircraft and ship observations. Atmospheric Chemistry and Physics, 21, 9455-9473. Mueller A., Tanimoto H., Sugita T., Machida T., Nakaoka S., Patra P.K., Laughner J., Crisp D. New approach to evaluate satellite-derived XCO2 over oceans by integrating ship and aircraft observations. Atmospheric Chemistry and Physics, 21, 8255-8271. Tokoro T., Nakaoka S., Takao S., Nojiri Y., Kuwae T., Kubo A., Endo T. Contribution of Biological Effects to Carbonate-System Variations and the Air-Water CO2 Flux in Urbanized Bays in Japan. Journal of Geophysical Research-Oceans, 126, e2020JC016974. 2020 Murakami K., Nomura D., Hashida G., Nakaoka S., Kitade Y., Hirano D., Hirawake T., Ohshima K. Strong biological carbon uptake and carbonate chemistry associated with T dense shelf water outflows in the Cape Darnley polynya, East Antarctica. Marine Chemistry, 225 (103842). Cheung S., Nitanai R., Tsurumoto C., Endo H., Nakaoka S., Cheah W., Lorda J., Xia X., Suzuki K. Physical Forcing Controls the Basin‐Scale Occurrence of Nitrogen‐Fixing Organisms in the North Pacific Ocean. Global Biogeochemical Cycles, 34, e2019GB006452 Yasunaka S., Mitsudera H., Whitney F., Nakaoka S. Nutrient and dissolved inorganic carbon variability in the North Pacific. Journal of Oceanography. Takao S., Nakaoka S., Hashihama F., Shimada K., Yoshikawa-Inoue H., Hirawake T., Kanda J., Hashida G., Suzuki K. Effects of phytoplankton community composition and productivity on sea surface pCO2 variations in the Southern Ocean. Deep-Sea Research Part I. 2019 Yasunaka S., Kouketsu S., Strutton P.G., Sutton A.J., Murata A., Nakaoka S., Nojiri Y. Spatio-temporal variability of surface water pCO2 and nutrients in the tropical Pacific from 1981 to 2015. Deep-Sea Research Part II, 169-170, 104680. Aramaki T., Nakaoka S., Terao Y., Kobayashi T., Osonoi Y., Mukai H., Tohjima Y. Variation of surface radiocarbon in the North Pacific during summer season 2004-2016. Radiocarbon, 61 (5), 1367-1375. Tohjima Y., Mukai H., Machida T., Hoshina Y., Nakaoka S. Global carbon budgets estimated from atmospheric O2/N2 and CO2 observations in the western Pacific region over a 15-year period. Atmospheric Chemistry and Physics, 19, 9269-9285. 2018 Hoshina Y., Tohjima Y., Katsumata K., Machida T., Nakaoka S. (2018) In situ observation of atmospheric oxygen and carbon dioxide in the North Pacific using a cargo ship. Atmospheric Chemistry and Physics, 18, 9283-9295. 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. (2018) Basin‐scale distribution of NH4+ and NO2－ in the Pacifc Ocean. Journal of Oceanography, 74, 1-11. 2017 Zeng J., Matsunaga T., Saigusa N., Shirai T., Nakaoka S., Tan Z.H. Technical note: Evaluation of three machine learning models for surface ocean CO2 mapping. Ocean Science, 13 (2), 303-313. 2016 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. A multi-decade record of high-quality fCO2 data in version 3 of the Surface Ocean CO2 Atlas (SOCAT). Earth System Science Data, 8, 383-413. Yasunaka S., Ono T., Nojiri Y., Whitney F.A., Wada C., Murata A., Nakaoka S., Hosoda S. Long-term variability of surface nutrient concentrations in the North Pacific. Geophysical Research Letters, 43, 3389-3397. 2015 Rodenbeck C., Bakker D. C. E. , Gruber N., Iida Y., Jacobson A. R. , Jones S., Landschutzer 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. Data-based estimates of the ocean carbon sink variability ? first results of the Surface Ocean pCO2 Mapping intercomparison (SOCOM). Biogeosciences, 12, 7251-7278. Zeng J., Nojiri Y., Nakaoka S., Nakajima H., Shirai T. Surface ocean CO2 in 1990-2011 modelled using a feed-forward neural network. Geoscience Data Journal, 2, 47-51. 2014 Zeng J., Nojiri Y., Landschutzer P., Telszewski M., Nakaoka S. A Global Surface Ocean fCO2 Climatology Based on a Feed-Forward Neural Network. Journal of Atmospheric and Oceanic Technology , 31 (8), 1838-1849. Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N. North Pacific dissolved inorganic carbon variations related to the Pacific Decadal Oscillation. Geophysical Research Letters, 41, 1005-1011. 2013 Nakaoka S., Telszewski M, Nojiri Y., Yasunaka S., Miyazaki C., Mukai H., Usui N. Estimating temporal and spatial variation of ocean surface pCO2 in the North Pacific using a self-organizing map neural network technique. Biogeosciences, 10, 6093-6106. Yasunaka S., Nojiri Y., Nakaoka S., Ono T., Mukai H., Usui N. Monthly maps of Sea Surface Dissolved Inorganic Carbon in the North Pacific: Basin-wide Distribution and Seasonal Variation. Journal of Geophysical Research, 118 (8), 3737-3977. |
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