ISHII Masao

Job title	Director/Department of Climate and Geochemistry Research
E-mail
Personal
Expertise	Ocean Biogeochemistry
Degree	Ph.D.
Publications	Sasano, D., Y. Takatani, N. Kosugi, T. Nakano, T. Midorikawa, and M. Ishii, 2018: Decline and bidecadal oscillation of dissolved oxygen in the Oyashio region and their propagation to the western North Pacific. Global Biogeochem. Cycles, accepted. Kosugi, N., D. Sasano, M. Ishii, S. Nishino, H. Uchida, and H. Y. Inoue, 2017: Low pCO2 under sea-ice melt in the Canadian Basin of the western Arctic Ocean, Biogeosciences, 14, 5727-5739, https://doi.org/10.5194/bg-14-5727-2017 Chen, C.-T. A., H.-K. Lui, C.-H. Hsieh, T. Yanagi, N. Kosugi, M. Ishii, and G.-C. Gong, 2017: Deep oceans may acidify faster than anticipated due to global warming, Nature Climate Change, 7, 890-894, doi:10.1038/s41558-017-0003-y Kubota, K., Y. Yokoyama, T. Ishikawa, A. Suzuki, and M. Ishii, 2017: Rapid decline in pH of coral calcification fluid due to incorporation of anthropogenic CO2. Scientific Reports, 7, 7694, doi:10.1038/s41598-017-07680-0 Toyama, K. K. B. Rodgers, B. Blanke, D. Iudicone, M. Ishii, O, Aumont, and J. L. Sarmiento, 2017: Large reemergence of anthropogenic carbon into the ocean’s surface mixed layer sustained by the ocean’s overturning circulation, J. Climate, 8615-8631, https://doi.org/10.1175/JCLI-D-16-0725.1 Kosugi, N., D. Sasano, M. Ishii, K. Enyo, and S. Saito, 2016: Autumn CO2 chemistry in the Japan Sea and the impact of discharges from the Changjiang River, J. Geophys. Res., Oceans, 121, 6536-6549, https://doi.org/10.1002/2016JC011838 Iudicone, D., K. B. Rodgers, Y. Plancherel, O. Aumont, T. Ito, R. M. Key, G. Madec, and M. Ishii, 2016: The formation of the ocean’s anthropogenic carbon reservoir, Scientific Reports, 6, 35473, doi:10.1038/srep35473 Ishidoya S., H. Uchida, D. Sasano, N. Kosugi, S. Taguchi, M. Ishii, S. Morimoto, Y. Tohjima, S. Nishino, S. Murayama, S. Aoki, K. Ishijima, R. Fujita, D. Goto, and T. Nakazawa, 2016: Ship-based observations of atmospheric potential oxygen and regional air sea O2 flux in the northern North Pacific and the Arctic Ocean, Tellus B, 68, 29972, https://doi.org/10.3402/tellusb.v68.29972 Yasunaka S., A. Murata, E. Watanabe, M. Chierici, A. Fransson, S. van Heuven, M. Hoppema, M. Ishii, T. Johannessen, N. Kosugi, S. K. Lauvset, J. T. Mathis, S. Nishino, A. M. Omar, A. Olsen, D. Sasano, T. Takahashi, and R. Wanninkhof, 2016: Mapping of the air-sea CO2 flux in the Arctic Ocean and its adjacent seas: Basin-wide distribution and seasonal to interannual variability, Polar Science, 10, 323-334, https://doi.org/10.1016/j.polar.2016.03.006 Lauvset, S. K, R. M. Key, A. Olsen, S. van Heuven, A. Velo, X. Lin, C. Schirnick, A. Kozyr, T. Tanhua, M. Hoppema, S. Jutterström, R. Steinfeldt, E. Jeansson, M. Ishii, F. F. Pérez, T. Suzuki, and S. Watelet, 2016: A new global interior ocean mapped climatology: the 1°x1° GLODAP version 2, Earth System Science Data, 8, 325-340, https://doi.org/10.5194/essd-8-325-2016 Olsen, A., R. M. Key, S. van Heuven, S. K. Lauvset, A. Velo, X. Lin, C. Schirnick, A. Kozyr, T. Tanhua, M. Hoppema, S. Jutterström, R. Steinfeldt, E. Jeansson, M. Ishii, F. F. Pérez, and T. Suzuki,, 2016: The Global Ocean Data Analysis Project version 2 (GLODAPv2) - an internally consistent data product for the world ocean, Earth System Science Data, 8, 297-323, https://doi.org/10.5194/essd-8-297-2016 Talley, L.D., R. A. Feely, B. M. Sloyan, R. Wanninkhof, M. O. Baringer, J. L. Bullister, C. A. Carlson, S. C. Doney, R. A. Fine, E. Firing, N. Gruber, D. A. Hansell, M. Ishii, et al., 2016: Changes in ocean heat, carbon content, and ventilation: a review of the first decade of GO-SHIP global repeat hydrography. Ann. Rev. Mar. Sci., 8, 185-215, /doi.org/10.1146/annurev-marine-052915-100829 Omori, Y., T. Hama, and M. Ishii, 2015: Photochemical bleaching of fluorescent dissolved organic matter in the subtropical North Pacific Ocean. Geochemical Journal, 49, 175-184. /doi:10.1002/2015GB005128 Nakano, H., M. Ishii, K. B. Rodgers, H. Tsujino, and G. Yamanaka, 2015: Anthropogenic CO2 uptake, transport, storage, and dynamical controls in the ocean imposed by the meridional overturning circulation: a modeling study. Global Biogeochem. Cycles, /doi:10.2343/geochemj.2.0343 Hama, T., T. Inoue, R, Suzuki, H. Kashiwazaki, S. Wada, D. Sasano, N. Kosugi, and M. Ishii, 2015: Response of a phytoplankton community to nutrient addition under different CO2 and pH conditions. J. Oceanogr., /doi:10.1007/s10872-015-0322-4 Sasano, D., Y. Takatani, N. Kosugi, T. Nakano, T. Midorikawa and M. Ishii, 2015: Multidecadal trends of oxygen and their controlling factors in the western North Pacific. Global Biogeochem. Cycles/doi:10.1002/2014GB005065 Iida, Y., A. Kojima, Y. Takatani, T. Nakano, H. Sugimoto, T. Midorikawa and M. Ishii, 2015: Trends in pCO2 and sea-air CO2 flux over the global open oceans for the last two decades. J. Oceanogr. , 71, 637-661, /doi:10.1007/s10872-015-0306-4 Oka, E., B. Qiu, Y. Takatani, K. Enyo, D. Sasano, N. Kosugi, M. Ishii, T. Nakano and Toshio Suga, 2015: Decadal variability of Subtropical Mode Water subduction and its impact on biogeochemistry. Journal of Oceanography/doi:10.1007/s10872-015-0300-x Takatani, Y., K. Enyo, Y. Iida, A. Kojima, T. Nakano, D. Sasano, N. Kosugi, T. Midorikawa, T. Suzuki and M. Ishii, 2014: Relationships between total alkalinity in surface water and sea surface dynamic height in the Pacific Ocean. Journal of Geophysical Research, 11, 2806-2814. /doi:10.1002/2013JC009739 Ishii, M., R.A. Feely, K.B. Rodgers, G.-H. Park, R.Wanninkhof, D.Sasano, H.Sugimoto, C.E.Cosca, S.Nakaoka, M.Telszewski, Y.Nojiri, S.E.Mikaloff Fletcher, Y.Niwa, P.K.Patra, V.Valsala, H.Nakano, I.Lima, S.C.Doney, E.T.Buitenhuis, O.Aumont, J.P.Dunne, A.Lenton, and T.Takahashi, 2014: Air-sea CO2 flux in the Pacific Ocean for the period 1990–2009. Biogeosciences , 11, 709-734. /doi:10.5194/bg-11-709-2014 Kameyama, S., H. Tanimoto, S. Inomata, H. Y. Inoue, U. Tsunogai, A. Tsuda, M. Uematsu, M. Ishii, D. Sasano, K. Suzuki and Y. Nosaka, 2013: Strong relationship between dimethyl sulfide and net community production in the western subarctic Pacific. Geophysical Research Letters, 30, 3986-3990. /doi:10.1029/2012GL051665 A. Lenton, B. Tilbrook, R. M. Law, D. Bakker, S. C. Doney, N. Gruber, M. Ishii, M. Hoppema, N. S. Lovenduski, R. J. Matear, B. I. McNeil, N. Metzl, S. E. Mikaloff Fletcher, P. M. S. Monteiro, C. Rödenbeck, C. Sweeney and T. Takahashi, 2013: Sea–air CO2 fluxes in the Southern Ocean for the period 1990–2009. Biogeosciences, 10, 4037-4054. /doi:10.5194/bg-10-4037-2013 Wada, A., M. F. Cronin, A. J. Sutton, Y. Kawai and M. Ishii, 2013: Numerical simulations of oceanic pCO2 variations and interactions between Typhoon Choi-wan (0914) and the ocean, 2013: Numerical simulations of oceanic pCO2 variations and interactions between Typhoon Choi-wan (0914) and the ocean,. Journal of Geophysical Research, , 118, 2667–2684. /doi:10.1002/jgrc.20203 Midorikawa, T., M. Ishii, N. Kosugi, D. Sasano,T. Nakano, S. Saito, N. Sakamoto, H. Nakano and H. Y. Inoue, 2012: Recent deceleration of oceanic pCO2 increase in the western North Pacific in winter. Geophysical Research Letters, 39, L1260. /doi:10.1029/2012GL051665 Takatani, Y., D. Sasano, T. Nakano, T. Midorikawa and M. Ishii, 2012: Decrease of dissolved oxygen after the mid-1980s in the western North Pacific subtropical gyre along the 137ºE repeat section. Global Biogeochem. Cycles, 26, GB2013. /doi:10.1029/2011GB004227 Midorikawa, T., H. Y. Inoue, M. Ishii, D. Sasano, N. Kosugi, G. Hashida, S. Nakaoka and T. Suzuki, 2012: Decreasing pH trend estimated from 35-year time series of carbonate parameters in the Pacific sector of the Southern Ocean in summer. Deep-Sea Research I, 61, 131-139. /doi:10.1016/j.dsr.2011.12.003 Hama, T., S. Kawashima, K. Shimotori, Y. Satoh, Y. Omori, S. Wada, T. Adachi, S. Hasegawa, T. Midorikawa, M. Ishii, S. Saito, D. Sasano, H. Endo, T. Nakayama and I. Inouye, 2012: Effect of ocean acidification on coastal phytoplankton composition and accompanying organic nitrogen production. Journal of Oceanography., 68, 183-194. /doi:10.1007/s10872-011-0084-6 Wada, A., T. Midorikawa, M. Ishii, and T. Motoi, 2011: Carbon system changes in the East China Sea induced by Typhoons Tina and Winnie in 1997. Journal of Geophysical Research, , 116, C07014. /doi:10.1029/2010JC006701 Ishii, M., N. Kosugi, D. Sasano, S. Saito, T. Midorikawa and H. Y. Inoue, 2011: Ocean acidification off the south coast of Japan: A result from time series observations of CO2 parameters from 1994 to 2008. Journal of Geophysical Research, , 116, C06022. /doi:10.1029/2010JC006831 Omori, Y. T. Hama, M. Ishii and S. Saito, 2011: Vertical change in the composition of marine humic-like fluorescent dissolved organic matter in the subtropical western North Pacific and its relation to photoreactivity. Marine Chemistry, 124, 38-47. /doi:10.1016/j.marchem.2010.11.005 Lee, S., T. Hama, M. Ishii, S. Saito, Y. Omori, D. Sasano and K. Yanagi, 2011: Concentration and UV reactivity of total organic carbon in the upper layer in the oligotrophic subtropical western North Pacific. Journal of Geophysical Research, , 113, C03017. /doi:10.1029/2009JC005321 Nakano, H., H. Tsujino, M. Hirabara, T. Yasuda, T. Motoi, M. Ishii and G. Yamanaka, 2011: Uptake mechanism of anthropogenic CO2 in the Kuroshio Extension region in an Ocean General Circulation Model. Journal of Oceanography, 67, 765-783. /doi:10.1007/s10872-011-0075-7 Midorikawa, T., M. Ishii, S. Saito, D. Sasano, N. Kosugi, T. Motoi, H. Kamiya, A. Nakadate, K. Nemoto and H. Y. Inoue, 2010: Decreasing pH trend estimated from 25-yr time series of carbonate parameters in the western North Pacific.. Tellus B, 62, 649-659. /doi:10.1111/j.1600-0889.2010.00474.x Omori, Y., T. Hama, M. Ishii and S. Saito, 2010: Relationship between the seasonal change in fluorescent dissolved organic matter and mixed layer depth in the subtropical western North Pacific. Journal of Geophysical Research, , 115, C06001. /doi:10.1029/2009JC005526 Ishii, M., H. Y. Inoue, T. Midorikawa, S. Saito, T. Tokieda, D. Sasano, A. Nakadate, K. Nemoto, N. Metzl, C. S. Wong and R. A. Feely, 2009: Spatial variability and decadal trend of the oceanic CO2 in the western equatorial Pacific warm/fresh water. Deep-Sea Res. II, 56, 591-606. /doi:10.1016/j.dsr2.2009.01.002 December 1990. Monthly Weather Review, Vol.121, No. 11, 3001-3018
Project	Research on Attribution and Projection of Climatic/Global Environmental Change/Global Environmental Changes Research on innovation in observation, diagnosis and prediction for global environmental monitoring