About

内海 信幸 / Nobuyuki UTSUMI

東京工業大学 環境・社会理工学院 土木・環境工学系 准教授

Associate Professor
Department of Civil and Environmental Engineering,
School of Environment and Society, Tokyo Institute of Technology

研究 / Research Interests

地球水循環の衛星リモートセンシング

• 衛星リモートセンシングによる降水量推定アルゴリズムの開発
• 降水に関わる衛星リモートセンシング推定値の検証

地球の水循環

• 災害につながる極端な水文気象現象
• 気候変動影響評価
• 気象システムと水文プロセス
• 水資源・水災害の監視と予測

スマート農業

• 気象予測情報を用いた農業生産の効率化

Satellite remote sensing of hydrological cycle

• Development and improvement of satellite precipitation retrieval algorithms
• Satellite remote sensing of precipitation-related variables

Global hydrological cycle

• Extreme hydrological events
• Climate change impact assessment
• Hydrological processes and weather systems
• Water resources and disaster monitoring and prediction

Smart agriculture

• Weather and climate forecast for smart crop production

経歴 / CV

# 詳細はこちら / Full CV is available from here.

Education

• 2015 The University of Tokyo, Tokyo, Japan, Ph.D., Civil Engineering
• 2008 The University of Tokyo, Tokyo, Japan, M.S., Civil Engineering
• 2006 The University of Tokyo, Tokyo, Japan, B.S., Agricultural Science

Professional Research Career

• Apr.2023 - Present: Associate Professor, Department of Civil and Environmental Engineering, School of Environment and Society, Tokyo Institute of Technology, Japan
• Jul.2020 - Mar. 2023: Assistant Professor, Nagamori Institute of Actuators, Kyoto University of Advanced Science, Japan
• Jul.2019 - June 2020: Postdoctral Scholar, NASA Jet Propulsion Laboratory, California Institute of Technology, USA
• Jul.2017 - June 2019: Visiting Postdoctral Scholar, NASA Jet Propulsion Laboratory, California Institute of Technology, USA (JSPS Overseas Research Fellow)
• Nov.2015 - Mar. 2017: Specially Appointed Assistant Professor, The University of Tokyo, Tokyo, Japan
• Aug.2010 - Oct.2015: Specially Appointed Researcher, The University of Tokyo, Tokyo, Japan

論文・発表等 / Publications & Presentations

投稿・査読中 / Submitted/In revision)

• -

出版・受理済み / Published/In print

• Bannai, T., H. Xu, N. Utsumi, E. Koo, K. Lu, and H. Kim (2023) Multi-Task Learning for Simultaneous Retrievals of Passive Microwave Precipitation Estimates and Rain/No-Rain Classification. Geophysical Research Letters, 50, e2022GL102283, https://doi.org/10.1029/2022GL102283.
• Lee, S. S., Choi, J., Kim, G., Ha, K.-J., Seo, K.-H., Jung, C. H., Um, J., Zheng, Y., Guo, J., Song, S.-K., Lee, Y. G., and Utsumi, N. (2022). Examination of aerosol impacts on convective clouds and precipitation in two metropolitan areas in East Asia; how varying depths of convective clouds between the areas diversify those aerosol effects? Atmospheric Chemistry and Physics, 22(13), 9059–9081. https://doi.org/10.5194/acp-22-9059-2022
• Utsumi, N., and Kim, H. (2022). Observed influence of anthropogenic climate change on tropical cyclone heavy rainfall. Nature Climate Change, 12(5), 436–440. https://doi.org/10.1038/s41558-022-01344-2
• Lee, S. S., K.-J. Ha, M. G. Manoj, M. Kamruzzaman, H. Kim, N. Utsumi, and J. Guo (2021), Mid-latitude mixed-phase stratocumulus clouds and their interactions with aerosols: how ice processes affect microphysical, dynamic and thermodynamic development in those clouds and interactions? Atmospheric Chemistry and Physics (Accepted)
• Turk, F. J., S. E. Ringerud, Y. You, A. Camplani, D. Casella, G. Panegrossi, P. Sanò, A. Ebtehaj, C. Guilloteau, N. Utsumi, C. Prigent, C. Peters-Lidard, (2021), Adapting Passive Microwave-Based Precipitation Algorithms to Variable Microwave Land Surface Emissivity to Improve Precipitation Estimation from the GPM Constellation. Journal of Hydrometeorology, 22 (7), 1755–1781. https://doi.org/10.1175/JHM-D-20-0296.1.
• Utsumi, N., Turk, F. J., Haddad, Z. S., Kirstetter, P.-E., & Kim, H. (2021). Evaluation of Precipitation Vertical Profiles Estimated by GPM-Era Satellite-Based Passive Microwave Retrievals. Journal of Hydrometeorology, 22(1), 95?112. https://doi.org/10.1175/JHM-D-20-0160.1
• Utsumi, N., H. Kim, F. J. Turk, and Ziad. S. Haddad (2019), Improving Satellite-Based Subhourly Surface Rain Estimates Using Vertical Rain Profile Information. J. Hydrometeor., 20, 1015-1026, https://doi.org/10.1175/JHM-D-18-0225.1.
• Madakumbura, G. D., H. Kim, N. Utsumi, H. Shiogama, E. M. Fischer, O. Seland, J. F. Scinocca, D. M. Mitchell, Y. Hirabayashi, and T. Oki (2019) Event-to-event intensification of the hydrologic cycle from 1.5℃ to a 2℃ warmer world, Scientific Reports, 9, 3483, doi:10.1038/s41598-019-39936-2.
• Utsumi, N.and Kim, H. (2018), Warm Season Satellite Precipitation Biases for Different Cloud Types Over Western North Pacific, IEEE Geosci. Remote Sens. Lett., 15(6), 808-812, doi:10.1109/LGRS.2018.2815590.
• Utsumi, N., H. Kim, S. Kanae, and T. Oki (2017), Relative contributions of weather systems to mean and extreme global precipitation, J. Geophys. Res. Atmos., 122, 152-167, doi:10.1002/2016JD025222.
• Utsumi, N., H. Kim, S. Kanae, and T. Oki (2016), Which weather systems are projected to cause future changes in mean and extreme precipitation in CMIP5 simulations?, J. Geophys. Res. Atmos., 121(18), 2016JD024939, doi:10.1002/2016JD024939.
• Utsumi, N., H. Kim, S. Seto, S. Kanae, and T. Oki (2014), Climatological characteristics of fronts in the western North Pacific based on surface weather charts, J. Geophys. Res. Atmos., 119(15), 9400-9418, 2014JD021734, doi:10.1002/2014JD021734.
• Shen, Y., T. Oki, S. Kanae, N. Hanasaki, N. Utsumi, and M. Kiguchi (2014), Projection of future world water resources under SRES scenarios: an integrated assessment, Hydrological Sciences Journal, 59(10), 1775-1793, doi:10.1080/02626667.2013.862338.
• Seto, S., T. Iguchi, N. Utsumi, M. Kiguchi, and T. Oki (2013), Evaluation of Extreme Rain Estimates in the TRMM/PR Standard Product Version 7 Using High-Temporal-Resolution Rain Gauge Datasets over Japan, Sola, 9, 98-101.
• Sarker, R. C., M. Kiguchi, N. Utsumi, K. Oki, and T. Oki (2013), The relationship between extreme precipitation and surface air temperature in Bangladesh., Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 69(4), I_127-I_132, doi:10.2208/jscejhe.69.I_127.
• Maeda, E. E., N. Utsumi, and T. Oki (2012), Decreasing precipitation extremes at higher temperatures in tropical regions, Nat Hazards, 64(1), 935-941, doi:10.1007/s11069-012-0222-5.
• Utsumi, N., S. Seto, S. Kanae, E. E. Maeda, and T. Oki (2011), Does higher surface temperature intensify extreme precipitation?, Geophys. Res. Lett., 38(16), L16708, doi:10.1029/2011GL048426.
• Shen, Y., T. Oki, N. Utsumi, S. Kanae, and N. Hanasaki (2008), Projection of future world water resources under SRES scenarios: water withdrawal/Projection des ressources en eau mondiales futures selon les scenarios du RSSE: prelevement d’eau, Hydrological Sciences Journal, 53(1), 11-33.
• Utsumi, N., S. Kanae, H. Kim, S. Seto, T. Oki, T. Nitta, and Y. Hirabayashi (2008), Importance of wind-induced undercatch adjustment in a gauge-based analysis of daily precipitation over Japan, Hydrological Research Letters, 2, 47-51.

書籍・報告・その他 / Books/Reports/Others

[In English]

• Haddad, Z. S., F. J. Turk, N. Utsumi, and P.-E. Kirstetter, 2021: Intrinsic uncertainty in the sub-daily satellite products at their native resolutions, The Joint IPWG/GEWEX Precipitation Assessment (ed. R. Roca and Z.S. Haddad), WCRP Report 2/2021, World Climate Research Programme (WCRP), Geneva, Switzerland. DOI: 10.13021/gewex.precip.1.1

[In Japanese]

• 中村晋一郎, 内海信幸, 渡部哲史, 梯滋郎, 沖大幹 (2012), 平成23年7月新潟・福島豪雨による信濃川下流域での出水と被害の特徴: 平成16年7月新潟・福島豪雨との比較を中心として, 水文・水資源学会誌, 25(2), 113-121.

和文論文 / Published/In print (In Japanese)

• 内海 信幸, G. Liu, and 渡部 哲史 (2022) グリーンランド南部の積雪面マイクロ波特性とGSMaP降雪量への影響. 土木学会論文集b1（水工学）, 78, I_523-I_528, https://doi.org/10.2208/jscejhe.78.2_I_523.
• 内海 信幸，金 炯俊，瀬戸 心太 (2021),フィンランドにおける降雪事例を対象とした衛星リモートセンシング降雪推定の検証，土木学会論文集B1，Vol.77, No.2, I_1201-I_1206
• 渡部 哲史，内海 信幸，北野 利一，中北 英一 (2021)，将来変化倍率の逆転に着目した d4PDF 領域実験における2℃と4℃上昇の極端降水量の考察，土木学会論文集B1，Vol.77, No.2， I_1279-I_1284
• 渡部 哲史, 中村 みゆき, 内海 信幸 (2018)，アメダス観測点を対象とした d4PDFバイアス補正降水量データセットの開発, 水工学論文集, Vol.63, I_127-132
• 渡部 哲史, 内海 信幸 (2018) 大規模気候予測情報類型化に向けたd4PDF日本域降水量の特徴の把握，土木学会論文集B1(水工学) Vol.74, No.4, I_169-I_174
• 芳村圭ほか. (2016), 平成27年9月関東・東北豪雨による茨城県常総市における鬼怒川洪水に関する調査及び考察, 土木学会論文集B1(水工学), 72(4), I_1273-I_1278.
• 渡部哲史, 内海信幸, 鼎信次郎, 瀬戸心太, 沖大幹, 平林由希子 (2013), GCM,RCPシナリオ,バイアス補正手法の選択が日降水量極値の将来予測に与える影響の考察, 水工学論文集B1（水工学）, 57, 1_385-390.
• 左藤智子, 楠原啓右, 今田由紀子, 内海信幸, 鼎信次郎 (2013), 台風に伴う将来の降水量極値の推定-高知市鏡川の治水計画への利用-, 土木学会論文集b1（水工学）, 69(4), I_379-I_384, doi:10.2208/jscejhe.69.I_379.
• 内海信幸, 瀬戸心太, 鼎信次郎, 沖大幹 (2012), 気候変動に伴う豪雨変化の要因分析における大気湿潤度の考慮, 土木学会論文集b1（水工学）, 68(4), I_421-I_426, doi:10.2208/jscejhe.68.I_421.
• 瀬戸心太, 井口俊夫, 内海信幸, 沖大幹 (2012), Trmm/Prバージョン7プロダクトの強い雨, 土木学会論文集b1（水工学）, 68(4), I_373-I_378, doi:10.2208/jscejhe.68.I_373.
• 内海信幸, 瀬戸心太, 鼎信次郎, 沖大幹 (2011), 日本における1時間降水量の極値と地上観測気温の関係, 土木学会論文集b1（水工学）, 67(4), I_307-I_312, doi:10.2208/jscejhe.67.I_307.
• 花崎直太, 内海信幸, 山田智子, 沈彦俊, M. Bengtsson, 鼎信次郎, 大瀧雅寛, 沖大幹 (2007), 温暖化時の水資源影響評価のための全球統合水資源モデルの開発, 水工学論文集 土木学会水工学委員会 編, 51, 229-234.