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Matsumoto, Kazumasa
Disaster Prevention Research Institute (DPRI) Assistant Professor
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Last Updated :2026/07/28
Basic Information
Affiliated programs (koza)
Email Address
Email Address
matsumoto.kazumasa.3z
kyoto-u.ac.jp
Professional Memberships
- From Aug. 2023, To PresentInternational Association for Hydro-Environment Engineering and Research (IAHR)
- From Jan. 2020, To PresentJapan Society of Civil Engineers (JSCE)
Academic Degree
Academic Resume (Undergraduate School/Majors)
Research History
- From Dec. 2025, To PresentKyoto University, Disaster Prevention Research Institute Research Division of Atmospheric and Fluvial-Coastal Disasters, Assistant Professor
- From Apr. 2025, To PresentSetsunan University, Faculty of Science and Engineering, Part-time Lecturer
- From Nov. 2024, To Nov. 2025Kyoto University, Disaster Prevention Research Institute Water Resources Research Center, Program-Specific Assistant Professor
- From Oct. 2024, To Oct. 2024Kyoto University, Disaster Prevention Research Institute Water Resources Research Center, Program-Specific Researcher
- From Apr. 2024, To PresentOsaka Institute of Technology, Faculty of Engineering, Part-time Lecturer
- From Apr. 2022, To Sep. 2024Japan Society for the Promotion of Science, Research Fellow
ID,URL
ORCID ID
J-Global ID
Researcher number
81014115External link
researchmap URL
list
Last Updated :2026/07/28
Research
Research Interests
- Turbulent flow in open-channels
- Riverine vegetation
- Sediment transport
- gravel bed river
- Hydraulic experiment
Research Areas
- Social infrastructure (civil Engineering, architecture, disaster prevention), Disaster prevention engineering
- Social infrastructure (civil Engineering, architecture, disaster prevention), Hydroengineering
Papers
- Spanwise structure of the “monami” phenomenon in an open-channel with submerged flexible vegetationKazumasa Matsumoto; Taka-aki Okamoto; Timothy I. Marjoribanks; Michio SanjouPhysics of Fluids, Jul. 2026, Peer-reviewed, Lead author, Corresponding author
- VISUALIZATION OF FREE-SURFACE VELOCITY FIELD OVER STRIP ROUGHNESS BY SURFACE REFLECTION METHODMATSUMOTO Kazumasa; SANJOU Michio; KANEKO Shun; WU Xujian; SUMI TetsuyaJapanese Journal of JSCE, Feb. 2026, Peer-reviewed, Lead author, Corresponding author
- EFFECTS OF ROUGHNESS GEOMETRIES ON SEDIMENT DEPOSITION AND SELF-LINING PROCESSES BETWEEN STRIP ROUGHNESS ELEMENTSWU Xujian; SANJOU Michio; MATSUMOTO Kazumasa; OKAMOTO Taka-aki; SUMI TetsuyaJapanese Journal of JSCE, Feb. 2026
- EXPERIMENTAL STUDY ON MEAN FLOW STRUCTURE AND DRAG COEFFICIENTS FOR A SINGLE INCLINED CIRCULAR SYLINDERMATSUMOTO Kazumasa; OKAMOTO Taka-aki; SANJOU MichioJapanese Journal of JSCE, Feb. 2026, Peer-reviewed, Lead author, Corresponding author
- EFFECT OF STREAMWISE VEGETATION PATCH LENGTH ON SECONDARY FLOW AND SEDIMENT DEPOSITION IN STEADY WAKE REGIONKazumasa MATSUMOTO; Taka-aki OKAMOTO; Masashi TAKADA; Michio SANJOUJapanese Journal of JSCE, Feb. 2025, Peer-reviewed, Lead author, Corresponding author
- EXPERIMENTAL STUDY ON ABRASION COUNTERMEASURES USING SELF LINING OF SEDIMENT BETWEEN TRIANGULAR STRIP ROUGHNESS ELEMENTSXujian WU; Michio SANJOU; Takaaki OKAMOTO; Kazumasa MATSUMOTO; Takahiro KOSHIBA; Tetsuya SUMIJapanese Journal of JSCE, Feb. 2025, Peer-reviewed
- EXPERIMENTAL STUDY ON CHANGE OF OVERFLOW STRUCTURE FLOW DURING EMBANKMENT EROSION AND EFFECT OF PROTECTION WORK FOR TOE OF SLOPETaka-aki OKAMOTO; Shoshi NATSUME; Takeshi KODAKA; Keita LEE; Kazumasa MATSUMOTO; Michio SANJOUJapanese Journal of JSCE, Feb. 2025, Peer-reviewed
- Secondary flow structure and sediment deposition around flexible and rigid vegetation patchesKazumasa Matsumoto; Taka-aki Okamoto; Michio Sanjou; Timothy I. Marjoribanks; Masashi TakadaPhysics of Fluids, Feb. 2025, Peer-reviewed, Lead author, Corresponding author
- Particle entrainment by bursting phenomena in open-channel flow over rough bedKazumasa Matsumoto; Taka-aki Okamoto; Michio SanjouEnvironmental Fluid Mechanics, May 2024, Peer-reviewed, Lead author, Corresponding author
- FUNDAMENTAL STUDY ON TURBULENCE AND SECONDARY FLOW IN PARTIALLY VEGETATED CHANNELS WITH VARIOUS PATCH WIDTHSMATSUMOTO Kazumasa; OKAMOTO Taka-aki; SANJOU Michio; TAKADA MasashiJapanese Journal of JSCE, Feb. 2024, Peer-reviewed, Lead author, Corresponding author
- EXPERIMENTAL STUDY ON INFLUENCE OF VEGETATION FLEXIBILITY ON VORTEX STRUCTURE AND SEDIMENT DEPOSITIONMATSUMOTO Kazumasa; OKAMOTO Taka-aki; SANJOU Michio; OKADA Keiju; AKAHORI RyosukeJournal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 2022, Peer-reviewed, Lead author, Corresponding author
- EXPERIMENTAL STUDY ON EFFCTS OF WOODY DEBRIS LENGTH ON DRIFTWOOD ACCUMULATION AT BRIDGEOKAMOTO Takaaki; MATSUMOTO Kazumasa; TANAKA Kenta; SANJOU MichioJournal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 2022, Peer-reviewed
- Influence of velocity field on driftwood accumulation at a bridge with a single pierTaka-aki Okamoto; Kenta Tanaka; Kazumasa Matsumoto; Tomohiro SomeyaEnvironmental Fluid Mechanics, Jun. 2021, Peer-reviewed
- EXPERIMENTAL STUDY ON UPGRADING WOOD RETENTION SYSTEM USING WAND CONNECTED TO MAIN CHANNEL AT TIME OF FLOODOKAMOTO Takaaki; MATSUMOTO Kazumasa; KIMURA Ichiro; TANAKA Kenta; SANJOU Michio; WATANABE ChikaraJournal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 2021, Peer-reviewed
- EXPERIMENTAL STUDY ON SINK MOTION OF DRIFTWOOD AND CRITICAL CONDITION FOR DRIFTWOOD BLOCKINGOKAMOTO Taka-aki; SOMEYA Tomohiro; MATSUMOTO Kazumasa; SANJOU Michio; TANAKA KentaJournal of Japan Society for Natural Disaster Science, 2021, Peer-reviewed
- EFFECTS OF VEGETATION HEIGHT ON TURBULENT FLOW STRUCTURE AND SUSPENDED SEDIMENT DEPOSITIONMATSUMOTO Kazumasa; OKAMOTO Taka-aki; AKAHORI Ryosuke; SANJOU MichioJournal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 2021, Peer-reviewed, Lead author, Corresponding author
- EXPERIMENTAL STUDY ON TURBULENCE STRUCTURE AND ITS EFFECT ON CAPTURING PROCESS OF RIVER PLANT SEED WITHIN ROUGHNESS ELEMENTSOKAMOTO Takaaki; MATSUMOTO Kazumasa; OISHI Tetsuya; SANJOU Michio; OKAZAKI TakumiJournal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 2020, Peer-reviewed
Misc.
- 第4回土砂バイパス国際ワークショップ(2025年9月、ドイツ)報告角 哲也; 有光 剛; 恩田 千早; 吉村 健; 松本 知将大ダム = Large dams / 日本大ダム会議 編, Jan. 2026
- Experimental investigation of wind-driven subsurface turbulenceKohei Kusaba; Xianting Zhao; Yuji Sugihara; Michio Sanjou; Kazumasa Matsumoto; Shun KanekoProceedings of the 41st IAHR World Congress, 2025
- Experimental study of self-lining by sediment deposition over strip roughness elementsKazumasa Matsumoto; Xujian Wu; Michio Sanjou; Taka-aki Okamoto; Takahiro Koshiba; Tetsuya SumiProceedings of the 41st IAHR World Congress, 2025
- 植生開水路の乱流・二次流構造と浮遊砂輸送メカニズムに関する研究松本 知将京都大学 博士学位論文, 24 Sep. 2024
- Influence of vegetation height on turbulence structure and sediment depositionKazumasa Matsumoto; Taka-aki Okamoto; Michio SanjouProceedings of the 40th IAHR World Congress, 2023
- PIV measurement of turbulent flow and particle motion over a rough wallKazumasa Matsumoto; Taka-aki Okamoto; Michio SanjouProceedings of 12th International Symposium on Turbulence and Shear Flow Phenomena, TSFP 2022, 2022
- Effect of wood debris length on bridge clogging processTaka-aki Okamoto; Kenta Tanaka; Kazumasa Matsumoto; Michio SanjouProceedings of the 39th IAHR World Congress, 2022
- Influence of turbulent flow structure on particle motion over a rough bed consisting of hemispherical roughness elementsKazumasa Matsumoto; Taka-aki Okamoto; Michio Sanjou; Tetsuya OishiProceedings of the 39th IAHR World Congress, 2022
Presentations
- 傾斜した単一円柱後流の平均流構造と抗力係数への影響に関する実験的研究松本知将; 岡本隆明; 山上路生第70回水工学講演会, 12 Dec. 2025
- Flume experiments on an abrasion countermeasure for sediment bypass tunnels by gravel self-liningMatsumoto, K.; Wu, X.; Sanjou, M.; Okamoto, T.; Sumi, T.4th International Workshop on Sediment Bypass Tunnels, Munich, 08 Sep. 2025
- Experimental study of self-lining by sediment deposition over strip roughness elementsMatsumoto, K.; Wu, X.; Sanjou M.; Okamoto, T.; Koshiba, T.; Sumi, T.41st IAHR World Congress, Singapore, 25 Jun. 2025
- Surface reflection法による桟粗度上の水面流速場の可視化計測松本知将; 山上路生; 金子峻; 呉許剣; 角哲也第28回応用力学シンポジウム, 16 May 2025
- 剛体・柔軟植生群落近傍の二次流及び浮遊砂堆積に関する実験的研究髙田真志; 松本知将; 岡本隆明; 山上路生2023年度 関西土木工学交流発表会, Nov. 2023
- 植生群落近傍の渦構造・浮遊砂堆積に与える植生剛性の影響に関する実験的研究松本知将; 岡本隆明; 山上路生; 岡田啓頌; 赤堀良介第67回水工学講演会, 23 Nov. 2022
- 半球粗度上流れの乱流現象とその粒子挙動への影響に関する実験的研究岡田啓頌; 松本知将; 岡本隆明; 山上路生2022年度 土木学会関西支部 年次学術講演会, 29 May 2022
- 植生群落周辺における乱流構造とその浮遊砂堆積への影響に関する実験的研究松本知将; 岡本隆明; 山上路生2022年度 土木学会関西支部 年次学術講演会, 29 May 2022
- 洪水に伴う礫床への種子供給と乱流構造との関係に関する実験的研究松本知将; 岡本隆明; 大石哲也; 山上路生; 岡田啓頌令和３年度京都大学防災研究所研究発表講演会, Feb. 2022
- 半球粗度まわりの乱流構造が種子捕捉過程に与える影響に関する実験的研究岡本隆明; 松本知将; 大石哲也; 山上路生; 岡崎拓海第66回水工学講演会, Dec. 2021
- 植生高さによる乱流構造の遷移過程の変化およびその浮遊砂堆積への影響について松本知将; 岡本隆明; 赤堀良介; 山上路生第66回水工学講演会, Dec. 2021
- 礫河床内部における乱流構造の可視化計測および種子輸送過程の解明松本知将; 岡本隆明; 山上路生; 大石哲也2021年度 土木学会全国大会 年次学術講演会, Sep. 2021
- 礫河床内部の乱流構造と種子輸送メカニズムに関する実験的研究松本知将; 岡本隆明; 山上路生2021年度 土木学会関西支部 年次学術講演会, May 2021
- Effect of streamwise vegetation patch length on secondary flow and sediment deposition in steady wake regionMatsumoto, K.; Okamoto, T.; Takada, M.; Sanjou, M.第69回水工学講演会, 02 Dec. 2024
- 柔軟植生流れにおける流速変動と植生揺動の相互作用に関する実験的研究小川崚司; 松本知将; 岡本隆明; 山上路生2024年度 関西土木工学交流発表会, 08 Nov. 2024
- Effects of flexural rigidity of vegetation elements on turbulence structure around a vegetation patchMatsumoto, K; Okamoto, T; Sanjou, M; Marjoribanks, T. I10th International Symposium on Environmental Hydraulics (ISEH 2024), Aberdeen, Jun. 2024
- 片側水没植生群落近傍の乱流・二次流構造と群落幅の影響に関する基礎的研究松本知将; 岡本隆明; 山上路生; 髙田真志第68回水工学講演会, Dec. 2023
- 片側植生群落流れにおける乱流構造および二次流に関する実験的研究松本知将; 岡本隆明; 山上路生; 髙田真志2023年度 関西土木工学交流発表会, Nov. 2023
- 柔軟植生群落近傍における乱流構造および浮遊砂堆積に関する実験的研究松本知将; 岡本隆明; 山上路生令和5年度土木学会全国大会年次学術講演会, Sep. 2023
- Influence of vegetation height on turbulence structure and sediment depositionMatsumoto, K; Okamoto, T; Sanjou, M40th IAHR World Congress, Vienna, Aug. 2023
- PIV measurement of turbulent flow and particle motion over a rough wallMatsumoto, K; Okamoto, T; Sanjou, M12th International Symposium on Turbulence and Shear Flow Phenomena (TSFP12), Osaka (online), Jul. 2022
- Experimental study of turbulent flow and its influence on motions of seeds of river vegetation over a rough bedMatsumoto, K; Okamoto, T; Sanjou, M5th International Symposium of Shallow Flows (ISSF 2021), Nanjing (online), Oct. 2021
Awards
- 29 May 2026令和8年度(第23回)山田一宇賞 (前田記念工学振興財団)
- 01 Oct. 2025第28回応用力学シンポジウム講演賞(土木学会応用力学委員会)
- 16 May 2026令和7年度応用力学論文奨励賞(土木学会応用力学委員会)
External funds: Kakenhi
- Elucidation of the three-dimensional characteristics of the sediment capture mechanism in self-lining channels and examination of its applicability to full-scale tunnelsGrant-in-Aid for Scientific Research (B)Basic Section 22040:Hydroengineering-relatedKyoto University角 哲也From 01 Apr. 2026, To 31 Mar. 2029, Granted流砂;摩耗;土砂バイパストンネル;セルフライニング;ダム堆砂
- 河川・沿岸連携水域における流れ・風・波の複合環境力と流木ダイナミクスのモデル化Grant-in-Aid for Scientific Research (B)Basic Section 22040:Hydroengineering-relatedKyoto University山上 路生From 01 Apr. 2026, To 31 Mar. 2030, Granted流木輸送;自然水域;吹送現象;水理実験
- Investigation of turbulence and sediment transport mechanisms in sediment bypass tunnels and its application to the autonomous abrasion countermeasureGrant-in-Aid for Research Activity Start-up0303:Civil engineering, social systems engineering, safety engineering, disaster prevention engineering, and related fieldsKyoto University松本 知将From 31 Jul. 2025, To 31 Mar. 2027, Granted土砂バイパス;土砂輸送;乱流;桟粗度;摩耗対策
list
Last Updated :2026/07/28
Education
Teaching subject(s)
- From 01 Apr. 2026, To 31 Mar. 2027Hydraulics, Laboratory3087, Fall, Faculty of Engineering, 2
- From 01 Apr. 2026, To 31 Mar. 2027Experiments on Hydraulics3523, Fall, Faculty of Engineering, 2
- From 01 Apr. 2026, To 31 Mar. 2027Hydraulics I and Exercises3291, Fall, Faculty of Engineering, 2
- From 01 Apr. 2026, To 31 Mar. 2027ILAS SeminarZ001, Spring, Institute for Liberal Arts and Sciences, 2
