石島　健太郎　／　ISHIJIMA Kentaro

事項	詳細
所属・職名	気候・環境研究部・第三研究室・主任研究官
連絡先
個人ページ
専門分野	大気化学 大気中微量気体成分の時空間変動および全球的な収支に関する研究
学位	博士（理学）
受賞歴、委員等
発表論文	Ishijima, K., K. Tsuboi, H. Matsueda, Y. Tanaka, T. Maki, T. Nakamura, Y. Niwa, and S. Hirao (2022), Understanding Temporal Variations of Atmospheric Radon-222 around Japan Using Model Simulations, J. Meteorol. Soc. Japan, 100(2), doi:10.2151/jmsj.2022-017. Nguyen, T. H., K. Ishijima, S. Sugawara, and F. Hasebe (2021), Application of a nudged general circulation model to the interpretation of the mean age of air derived from stratospheric samples in the tropics, J. Meteorol. Soc. Japan, 99(5), doi:10.2151/jmsj.2021-056. Ishidoya, S., S. Sugawara, Y. Tohjima, D. Goto, K. Ishijima, Y. Niwa, N. Aoki, and S. Murayama (2021), Secular change in atmospheric Ar/N2 and its implications for ocean heat uptake and Brewer-Dobson circulation, Atmos. Chem. Phys., 21, 1357-1373. Matsueda, H., R. R. Buchholz, K. Ishijima, H. M. Worden, D. Hammerling, and T. Machida (2019), Interannual Variation of Upper Tropospheric CO over the Western Pacific Linked with Indonesian Fires, SOLA, 15, 205-210. Kinoshita, T., K. Sato, K. Ishijima, M. Takigawa, Y. Yamashita (2019), Formulation of three-dimensional quasi-residual mean flow balanced with diabatic heating rate and potential vorticity flux, J. Atmos. Sci., 76, 851-863. Ito A., K. Nishina, K. Ishijima, S. Hashimoto, and M. Inatomi (2018), Emissions of nitrous oxide (N2O) from soil surfaces and their historical changes in East Asia: a model-based assessment, Prog. Earth Planet. Sci., 5, 55. Ishijima K., M. Takigawa, Y. Yamashita, H. Yashiro, C. Kodama, M. Satoh, K. Tsuboi, H. Matsueda, Y. Niwa, and S. Hirao (2018), Analysis of high radon-222 concentration events using multi-horizontal-resolution NICAM simulations, SOLA, 14, 111-115. Patra, P. K., M. Takigawa, S. Watanabe, N. Chandra, K. Ishijima, and Y. Yamashita (2018), Improved Chemical Tracer Simulation by MIROC4.0-based Atmospheric Chemistry-Transport Model (MIROC4-ACTM), SOLA, 14, 91-96. Fujita, R., S. Morimoto, T. Umezawa, K. Ishijima, P. K. Patra, D. E. J. Worthy, D. Goto, S. Aoki, and T. Nakazawa (2018), Temporal variations of the mole fraction, carbon and hydrogen isotope ratios of atmospheric methane in the Hudson Bay Lowlands, Canada, J. Geophys. Res., 123, 4695-4711. Toyoda, S., N. Yoshida, S. Morimoto, S. Aoki, T. Nakazawa, S. Sugawara, S. Ishidoya, M. Uematsu, Y. Inai, F. Hasebe, C. Ikeda, H. Honda, and K. Ishijima (2018), Vertical distributions of N2O isotopocules in the equatorial stratosphere, Atmos. Chem. Phys., 18, 833-844. Yamashita, Y., M. Takigawa, K. Ishijima, H. Akiyoshi, C. Kodama, H. Yashiro, and M. Satoh, Resolution dependency of numerically simulated stratosphere-to-troposphere transport associated with mid-latitude closed cyclones in early spring around Japan (2017), SOLA, 13, 186-191. Patra, P. K., D. Crisp, J. W. Kaiser, D. Wunch, T. Saeki, K. Ichii, T. Sekiya, P. O. Wennberg, D. G. Feist, D. Pollard, D. W. T. Griffith, V. A. Velazco, M. De Maziere, M. K. Sha, C. Roehl, A. Chatterjee, and K. Ishijima, Orbiting carbon observatory (OCO-2) tracks 2-3 peta-grams increase of carbon release to the atmosphere during the 2014-2016 El Niño (2017), Sci. Rep., 7, 13567. Sasakawa, M., T. Machida, K. Ishijima, A. Ito, M. Arshinov, P. K. Patra, S. Aoki, and V. Petrov (2017), Temporal characteristics of CH4 vertical profiles observed in the West Siberian Lowland over Surgut from 1993 to 2015 and Novosibirsk from 1997 to 2015, J. Geophys. Res., 122, 11261-11273. Prokopiou, M., P. Martinerie, C. J. Sapart, E. Witrant, G. Monteil, K. Ishijima, S. Bernard, J. Kaiser, I. Levin, T. Blunier, D. Etheridge, E. Dlugokencky, R. S. W. van de Wal, and T. Rockmann (2017), Constraining N2O emissions since 1940 using firn air isotope measurements in both hemispheres, Atmos. Chem. Phys., 17, 4539-4564. Kondo, M., T. Saeki, H. Takagi, K. Ichii, and K. Ishijima (2016), The Effect of GOSAT Observations on Estimates of Net CO2 Flux in Semi-Arid Regions of the Southern Hemisphere, SOLA, 12, 181-186. 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 (2016), Tellus B, 68, 29972. Patra, P. K., T. Saeki, E. J. Dlugokencky, K. Ishijima, T. Umezawa, A. Ito, S. Aoki, S. Morimoto, E. A. Kort, A. Crotwell, K. Ravi Kumar, and T. Nakazawa (2016), Regional methane emission estimation based on observed atmospheric concentrations (2002-2012), J. Meteorol. Soc. Jpn., 94, 83-105. Ishijima, K., M. Takigawa, K. Sudo, S. Toyoda, N. Yoshida, T. Rockmann, J. Kaiser, S. Aoki, S. Morimoto, S. Sugawara, and T. Nakazawa (2015), Development of an atmospheric N2O isotopocule model and optimization procedure, and application to source estimation, Atmos. Chem. Phys. Discuss., 15, 19947-20011. Ghosh, A., P. K. Patra, K. Ishijima, T. Umezawa, A. Ito, D. M. Etheridge, S. Sugawara, K. Kawamura, J. B. Miller, E. J. Dlugokencky, P. B. Krummel, P. J. Fraser, L. P. Steele, R. L. Langenfelds, J. W. C. White, B. Vaughn, T. Saeki, S. Aoki, and T. Nakazawa (2015), Variations in global methane sources and sinks during 1910-2010, Atmos. Chem. Phys., 15, 2595-2612. Patra, P. K., M. C. Krol, S. A. Montzka, T. Arnold, E. L. Atlas, B. R. Lintner, B. B. Stephens, B. Xiang, J. W. Elkins, P. J. Fraser, A. Ghosh, E. J. Hintsa, D. F. Hurst, K. Ishijima, P. B. Krummel, B. R. Miller, K. Miyazaki, F. L. Moore, J. Muhle, S. O'Doherty, R. G. Prinn, L. P. Steele, M. Takigawa, H. J.Wang, R. F. Weiss, S. C. Wofsy, and D. Young (2014), Observational evidence for interhemispheric hydroxyl-radical parity, Nature, 513, 219-223. Thompson, R. L., K. Ishijima, E. Saikawa, M. Corazza, U. Karstens, P. K. Patra, P. Bergamaschi, F. Chevallier, E. Dlugokencky, R. G. Prinn, R. F. Weiss, S. O'Doherty, P. J. Fraser, L. P. Steele, P. B. Krummel, A. Vermeulen, Y. Tohjima, A. Jordan, L. Haszpra, M. Steinbacher, S. Van der Laan, T. Aalto, F. Meinhardt, M. E. Popa, J. Moncrieff, and P. Bousquet (2014), TransCom N2O model inter-comparison - Part 2: Atmospheric inversion estimates of N2O emissions, Atmos. Chem. Phys., 14, 6177-6194. Umezawa, T., D. Goto, S. Aoki, K. Ishijima, P. K. Patra, S. Sugawara, S. Morimoto, and T. Nakazawa (2014), Variations of tropospheric methane over Japan during 1988-2010, Tellus B, 66, 23837. Saikawa, E., R. G. Prinn, E. Dlugokencky, K. Ishijima, G. S. Dutton, B. D. Hall, R. Langenfelds, Y. Tohjima, T. Machida, M. Manizza, M. Rigby, S. O'Doherty, P. K. Patra, C. M. Harth, R. F. Weiss, P. B. Krummel, M. van der Schoot, P. J. Fraser, L. P. Steele, S. Aoki, T. Nakazawa, and J. W. Elkins (2014), Global and regional emissions estimates for N2O, Atmos. Chem. Phys., 14, 4617-4641. Kondo, H., S. Murayama, Y. Sawa, K. Ishijima, H. Matsueda, A. Wada, H. Sugawara, and S. Onogi (2014), Vertical diffusion coefficient under stable conditions estimated from variations in the near-surface radon concentration, J. Meteorol. Soc. Jpn., 92, 95-106. Thompson, R. L., P. K. Patra, K. Ishijima, E. Saikawa, M. Corazza, U. Karstens, C. Wilson,　P. Bergamaschi, E. Dlugokencky, C. Sweeney, R. G. Prinn, R. F. Weiss, S. O'Doherty, P. J. Fraser, L. P. Steele, P. B. Krummel, M. Saunois, M. Chipperfield, and P. Bousquet (2014), TransCom N2O model inter-comparison - Part 1: Assessing the influence of transport and surface fluxes on tropospheric N2O variability, Atmos. Chem. Phys., 14, 4349-4368. Thompson, R. L., F. Chevallier, A. M. Crotwell, G. Dutton, R. L. Langenfelds, R. G. Prinn, R. F. Weiss, Y. Tohjima, T. Nakazawa, P. B. Krummel, L. P. Steele, P. Fraser, S. O'Doherty, K. Ishijima, and S. Aoki (2014), Nitrous oxide emissions 1999 to 2009 from a global atmospheric inversion, Atmos. Chem. Phys., 14, 1801-1817. Toyoda, S., N. Kuroki, N. Yoshida, K. Ishijima, Y. Tohjima, and T. Machida (2013), Decadal time series of tropospheric abundance of N2O isotopomers and isotopologues in the Northern Hemisphere obtained by the long-term observation at Hateruma Island, Japan, J. Geophys. Res. Atmos., 118, 3369-3381. Yonemura, S., M. Yokozawa, G. Sakurai, A. W. Kishimoto-Mo, N. Lee, S. Murayama, K. Ishijima, Y. Shirato, and H. Koizumi (2012), Vertical soil-air CO2 dynamics at the Takayama deciduous broadleaved forest AsiaFlux site, J. For. Res., 18, 49-59. Schuck, T. J., K. Ishijima, P. K. Patra, A. K. Baker, T. Machida, H. Matsueda, Y. Sawa, T. Umezawa, C. A. M. Brenninkmeijer, and J. Lelieveld (2012), Distribution of methane in the tropical upper troposphere measured by CARIBIC and CONTRAIL aircraft, J. Geophys. Res., 117, D19304. Umezawa, T., T. Machida, K. Ishijima, H. Matsueda, Y. Sawa, P. K. Patra, S. Aoki, and T. Nakazawa (2012), Carbon and hydrogen isotopic ratios of atmospheric methane in the upper troposphere over the western Pacific, Atmos. Chem. Phys., 12, 8095-8113. Saito, R., P. K. Patra, N. Deutscher, D. Wunch, K. Ishijima, V. Sherlock, T. Blumenstock, S. Dohe, D. Griffith, F. Hase, P. Heikkinen, E. Kyro, R. Macatangay, J. Mendonca, J. Messerschmidt, I. Morino, J. Notholt, M. Rettinger, K. Strong, R. Sussmann, and T. Warneke (2012), Technical Note: Latitude-time variations of atmospheric column-average dry air mole fractions of CO2, CH4 and N2O, Atmos. Chem. Phys., 12, 7767-7777. Kort, E. A., P. K. Patra, K. Ishijima, B. C. Daube, R. Jimenez, J. Elkins, D. Hurst, F. L. Moore, C. Sweeney, and S. C. Wofsy (2011), Tropospheric distribution and variability of N2O: Evidence for strong tropical emissions, Geophys. Res. Lett., 38, L15806. Wofsy, S. C., the HIPPO Science Team, Cooperating Modellers: P. Patra, K. Ishijima, and Satellite Teams (2011), HIAPER Pole-to-Pole Observations (HIPPO): fine-grained, global-scale measurements of climatically important atmospheric gases and aerosols, Phil. Trans. R. Soc. A, 369, 2073-2086. Inatomi, M., A. Ito, K. Ishijima, and S. Murayama (2010), Greenhouse gas budget of a cool-temperate deciduous broad-leaved forest in Japan estimated using a process-based model, Ecosystems, 13, 472-483. Ishijima, K., P. K. Patra, M. Takigawa, T. Machida, H. Matsueda, Y. Sawa, L. P. Steele, P. B. Krummel, R. L. Langenfelds, S. Aoki, and T. Nakazawa (2010), The stratospheric influence on the seasonal cycle of nitrous oxide in the troposphere deduced from aircraft observations and a model, J. Geophys. Res., 115, D20308. Patra, P. K., M. Takigawa, K. Ishijima, and 22 others (2009), Growth rate, seasonal, synoptic, diurnal variations and budget of methane in lower atmosphere, J. Meteorol. Soc. Jpn., 87(4), 635-663. Ishijima, K., T. Nakazawa, and S. Aoki (2009), Variations of atmospheric nitrous oxide concentration in the northern and western Pacific, Tellus B, 61, 2, 408-415. Patra, P. K., M. Takigawa, G. S. Dutton, K. Uhse, K. Ishijima, B. R. Lintner, K. Miyazaki, and J. W. Elkins (2009), Transport mechanisms for synoptic, seasonal and interannual SF6 variations and "age" of air in troposphere, Atmos. Chem. Phys., 9, 1209-1225. Ishijima, K., S. Sugawara, K. Kawamura, G. Hashida, S. Morimoto, S. Murayama, S. Aoki, and T. Nakazawa (2007), Temporal variations of the atmospheric nitrous oxide concentration and its δ15N and δ18O for the latter half of the 20th century reconstructed from firn air analyses, J. Geophys. Res., 112, D03305. Patra, P. K., S. E. Mikaloff-Fletcher, K. Ishijima, S. Maksyutov, and T. Nakazawa (2006), Comparison of CO2 fluxes estimated using atmospheric and oceanic inversions, and role of fluxes and their interannual variability in simulating atmospheric CO2 concentrations, Atmos. Chem. Phys. Discuss., 6, 6801-6823. Toyoda S., N. Yoshida, T. Urabe, Y. Nakayama, T. Suzuki, K. Tsuji, K. Shibuya, S. Aoki, T. Nakazawa, S. Ishidoya, K. Ishijima, S. Sugawara, T. Machida, G. Hashida, S. Morimoto, and H. Honda (2004), Temporal and latitudinal distributions of stratospheric N2O isotopomers, J. Geophys. Res., 109, D08308. Ishijima, K., T. Nakazawa, S. Sugawara, S. Aoki, and T. Saeki (2001), Concentration variations of tropospheric nitrous oxide over Japan, Geophys. Res. Lett., 28, 171-174.
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