Rchr
J-GLOBAL ID：201001026936810096   Update date: Jan. 30, 2024

Kazuhito Sakai

サカイ カズヒト | Kazuhito Sakai
Affiliation and department：
University of the Ryukyus Faculty of Agriculture Department of Regional Agricultural Engineering

About University of the Ryukyus Faculty of Agriculture Department of Regional Agricultural Engineering


Job title： Professor
Research field  (1)： Rural environmental engineering and planning
Research keywords  (6)： 農業水文学 ,  地球温暖化 ,  土壌呼吸 ,  水文モデル ,  土壌侵食 ,  Hydrology
Research theme for competitive and other funds  (20)：
  • 2021 - 2024 量産型NDIRガス分析機器の開発と熱帯・亜熱帯地域におけるN2O排出係数の決定
  • 2019 - 2023 Implementation of a dynamic erosion model in Japan to predict climate change impacts and rainfall event-based erosion
  • 2018 - 2021 Development of a soil gas analysis device using IR for a profile method
  • 2009 - 2011 Development of Red Soil Runoff Preventive Measure
  • 2005 - 2009 Study on sediment and nutrients transport in watershed and their management -targeting subtropical area-
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Papers (34)：
  • Himasha Rathnappriya, kazuhito sakai, Ken Okamoto, Sho Kimura, Tomokazu Haraguchi, Tamotsu Nakandakari, Hideki Setouchi, W.B.M.A.C. Bandara. Global Sensitivity Analysis of Key Parameters in the APSIMX-Sugarcane Model to Evaluate Nitrate Balance via Treed Gaussian Process. Agronomy. 2022
  • Thusitha Saman Bandara, kazuhito sakai, Tamotsu Nakandakari, Kozue Yuge. A Gas Diffusion Analysis Method for Simulating Surface Nitrous Oxide Emissions in Soil Gas Concentrations Measurement. Agriculture. 2022
  • Himasha Rathnappriya, kazuhito sakai, Ken Okamoto, Sho Kimura, Tomokazu Haraguchi, Tamotsu Nakandakari, Hideki Setouchi, W.B.M.A.C. Bandara. Examination of the Effectiveness of Controlled Release Fertilizer to Balance Sugarcane Yield and Reduce Nitrate Leaching to Groundwater. Agronomy. 2022
  • Lanthika Dhanapala, M.H.J.P. Gunarathna, M. K. N. Kumari, Manjula Ranagalage, kazuhito sakai, T. J. Meegastenna. Towards Coupling of 1D and 2D Models for Flood Simulation—A Case Study of Nilwala River Basin, Sri Lanka. Hydrology. 2022
  • W. B. M. A. C. Bandara, Kazuhito Sakai, Tamotsu Nakandakari, Preecha Kapetch, Mitsumasa Anan, Shinya Nakamura, Hideki Setouchi, R. H. K. Rathnappriya. Global Optimization of Cultivar Trait Parameters in the Simulation of Sugarcane Phenology Using Gaussian Process Emulation. AGRONOMY-BASEL. 2021. 11. 7
ｍore...
MISC (48)：
  • 岡本健, 安西俊彦, 酒井一人. 地下灌漑システムOPSIS設置圃場における土壌水分・EC動態の観測. 日本雨水資源化システム学会研究発表会講演要旨集. 2022. 30th
  • 岡本健, 酒井一人, 中村真也, 仲村渠将, 長裕幸. 熱帯土壌のPTFsを用いた島尻マージの水分特性曲線の推定. 農業農村工学会九州沖縄支部大会講演要旨集. 2015. 96th
  • 酒井一人, 岡本健, 相田藍. 土層実験による地下灌漑システムOPSISの水分挙動把握. 日本雨水資源化システム学会研究発表会講演要旨集. 2015. 23rd
  • 岡本健, 酒井一人, 中村真也, 仲村渠将. 宮古島サトウキビ畑におけるHYDRUS-1Dを用いた長期地下浸透解析. 日本雨水資源化システム学会研究発表会講演要旨集. 2015. 23rd
  • 岡本健, 酒井一人, 中村真也, 仲村渠将. HYDRUS-1Dを用いた,宮古島サトウキビ畑における水収支解析. 日本雨水資源化システム学会研究発表会講演要旨集. 2014. 22nd
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Lectures and oral presentations  (78)：
  • SIMULATION OF N2O EMISSIONS FROM A SUGARCANE FIELD IN OKINAWA, JAPAN
    (2015)
  • SIMULATION OF N2O EMISSIONS FROM A SUGARCANE FIELD IN OKINAWA, JAPAN
    (2015)
  • N2O EMISSIONS FROM SHIMAJIRI-MAJI (CALCARIC DARK RED SOIL) AFTER APPLYING TWO CHEMICAL FERTILIZERS
    (2014)
  • APSIM による地下灌漑システム OPSIS のモデル化
    (日本雨水資源化システム学会要旨集 2014)
  • N2O EMISSIONS FROM SHIMAJIRI-MAJI (CALCARIC DARK RED SOIL) AFTER APPLYING TWO CHEMICAL FERTILIZERS
    (2014)
ｍore...
Professional career (1)：
  • Doctor of Agriculture (The University of Tokyo)
Work history (2)：
  • 2009/04/01 - - , 琉球大学 農学部 地域農業工学科 農村環境・基盤環境学, 教授
  • 2009/04/01 - - , University of the Ryukyus, Faculty of Agriculture, Department of Regional Agricultural Engineering, Research Associate
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