研究成果



2018年  2017年  2016年  2015年
2014年  2013年  2012年  2011年  2010年
2009年  2008年  2007年  2006年  2005年
2004年  2003年  2002年  2001年  2000年



 2018年
Izumi, T., Kan, A., Kobayashi, N. (2018): A deep neural network model for runoff analysis. Proceedings of XIX. World Congress of CIGR, 383-392.
Yoshioka, H., Izumi, T., Fujihara, M. (2018): A non-local description of upstream fish migration: Linkage between school shape and migration dynamics. Proceedings of 12th International Symposium on Ecohydraulics, 9p.
山口武志・山下尚之・田中宏明(2018):EEM-PARAFACによる河川水中の溶存態有機物の動態へ及ぼす雨天時都市下水の影響検討.土木学会論文集G(環境),74:V_275-V_284.
Hata, A., Hanamoto, S., Ihara, M., Shirasaka, Y., Yamashita, N., Tanaka, H. (2018): Comprehensive Study on Enteric Viruses and Indicators in Surface Water in Kyoto, Japan, During 2014-2015 Season. Food and Environmental Virology, 10: 353-364.
Takeuchi, H., Yamashita, N., Nakada, N., Tanaka, H. (2018): Removal characteristics of N-Nitrosamines and their precursors by pilot-scale integrated membrane systems for water reuse. International Journal of Environmental Research and Public Health, 15, E1960.
Lee, S., Tasaki, S., Hata, A., Yamashita, N., Tanaka, H. (2018): Evaluation of virus reduction at a large-scale wastewater reclamation plant by detection of indigenous F-specific RNA bacteriophage genotypes. Environmental Technology.
Park, J., Yamashita, N., Tanaka, H. (2018): Membrane fouling control and enhanced removal of pharmaceuticals and personal care products by coagulation-MBR. Chemosphere, 197:467-476.
Hanamoto, S., Nakada, N., Yamashita, N., Tanaka, H. (2018): Source estimation of pharmaceuticals based on catchment population and in-stream attenuation in Yodo River watershed, Japan. Science of the Total Environment, 615:964-971.
Hanamoto, S., Nakada, Johnson A.C., Jurgens, M.D., Yamashita, N., Tanaka, H. (2018): The different fate of antibiotics in the Thames River, UK, and the Katsura River, Japan. Environmental Science and Pollution Research, 25:1903-1913.
朴耿洙・朴仁久・山下尚之・田中宏明(2018):被災下水処理場の暫定処理を想定したオゾン消毒による指標微生物の不活化と生態毒性.下水道協会誌,55:66-74.
三輪千晴・吉野章・田中宏明・山下尚之(2018):糸満市を事例とした再生水農業利用におけるリスクコミュニケーションの検討.下水道協会誌,55:75-82.
 2017年
Izumi, T., Mizuta, J. (2017): Numerical model for non-Darcy flow through porous media using MPS method. Proceedings of the 12th Conference on Sustainable Development of Energy, Water and Environment Systems, 8p.
Izumi, T., Kobayashi, N. (2017): Runoff analysis model with a deep learning. Proceedings of the 37th IAHR World Congress, pp.3939-3945.
Izumi, T., Kitada, T., Kanaguchi, T., Fujihara, M. (2017): Effects of infilling a sea caldron on tidal currents and seaweed and seagrass bed habitats. Journal of Rainwater Catchment Systems, 22(2): 1-7.
 2016年
Izumi, T., Miyoshi, M., Kobayashi, N. (2016): Runoff analysis using a deep neural network. Proceedings of the 12th International Conference of Hydroscience & Engineering, pp.173-176.
小谷直樹・一恩英二・長野峻介・泉 智揮・上田哲行 (2016):石川県於古川流域におけるトミヨ属淡水型のHSIモデルの構築.Journal of Rainwater Catchment Systems,21(2):47-53.
 2015年
金口嵩明・泉 智揮・藤原正幸 (2015):海釜底上げによるヒガシナメクジウオ生息場への影響評価.水産工学,52(2):95-101.
Izumi, T., Kanaguchi, T., Fujihara, M. (2015): Numerical assessment for the effect of filling a sea caldron on seaweed expansion and habitat environment for aquatic species. Proceedings of the 36th IAHR World Congress, 7p.
Kobayashi, N., Kimata, T., Ishii, M., Nishiyama, T., Tsukada, Y., Izumi, T. (2015): Estimation of the coefficient of volume compressibility of soils using artificial neural network with batch learning algorithm. Journal of Rainwater Catchment Systems, 20(2): 23-28.
Izumi, T. (2015): Numerical investigation into the effect of irrigation water temperature on soil temperature in paddy fields under saturated irrigation. Journal of Rainwater Catchment Systems, 20(2): 15-22.
 2014年
Izumi, T., Kanaguchi, T., Fujihara, M. (2014): Numerical investigation of seaweed expansion bt constructing grounds on a filled sea caldron. Proceedings of the 11th International Conference on Hydroscience & Engineering, ICHE 2014, 6p.
Izumi, T., Takeuchi, J. (2014): Influences of Geological Conditions on the Soil Environment in Paddy Fields under Saturated Irrigation. Journal of Rainwater Catchment Systems, 19(2): 11-17.
 2013年
Fujihara M., Izumi, T., Unami, K., Takeuchi, J. (2013): Identifying contribution of paddy irrigation to groundwater recharge: A numerical experiment for unconfined aquifer of Dogo plain, Ehime, prefecture, Japan. Proceedings of the 35th IAHR World Congress, 12p.
 2012年
Lapong, E., Fujihara M., Izumi, T., Kobayashi, N., Kakihara, T. (2012): Suspended load estimation in rivers in agricultural areas using regression analyses with data stratification. Journal of Water and Environment Technology, 10(4): 387-398.
Izumi, T., Fujihara, M., Takeuchi, J., Kawachi, T. (2012): Inverse modeling for variably saturated water flow cou-pled with heat transport in field soil. Irrigation, Drainage and Rural Engineering Journal, 282: 7-14.
Fujihara, M., Yamanaka, S., Izumi, T., Lapong, E. (2012): Numerical investigation of flow in various types of vertical slot fishways and the function of baffles. Fisheries Engineering, 49(2): 85-92.
Fujihara, M., Kobayashi, N., Nishiyama, T., Izumi, T., Yoshitake, Y. (2012): Effect of Impervious Zone Width of an Embankment Dam on Blanket Design Length. Journal of Rainwater Catchment Systems, 18(1): 9-13.
Lapong, E., Fujihara, M., Izumi, T., Hamagami, K., Kobayashi, N., Kakihara, T. (2012): Water Quality Characterization and Index Optimization -The case of agricultural river in southern Ehime, Japan-. Journal of Rainwater Catchment Systems, 18(1): 1-8.
Lapong, E., Fujihara, M., Izumi, T., Kobayashi, N., Kakihara, T., Hamagami, K. (2012): Water Quality Index and Statistical Analysis Methods for River Water Quality Characterization. Water Quality 2012, 14-18.
Izumi, T., Fujihara, M. (2012): Identification of Free-Form Parameterized Soil Hydraulic Properties in Non-isothermal Subsurface Water Flow Using Inverse Technique. International Conference of Agricultural Engineering, CIGR-Ageng 2012, P-1996.
Fujihara, M., Yamanaka, S., Izumi, T., Lapong, E.R. (2012): Numerical Investigation of the Effect of Baffles on Flow in Vertical Slot Fishways. International Conference of Agricultural Engineering, CIGR-Ageng 2012, C-0804.
Lapong, E.R., Fujihara, M., Izumi, T., Hamagami, K., Kobayashi, N., Kakihara, T. (2012): Regression Analysis and Amelioration Procedures for Suspended Sediment Load Estimation in Agricultural Rivers. International Conference of Agricultural Engineering, CIGR-Ageng 2012, C-0760.
Yoshitake, Y., Fujihara, M., Kobayashi, N., Nishiyama, T., Izumi, T. (2012): A simple model for estimating phreatic surface location and seepage discharge through a small homogeneous earth dam on inclined foundation. Irrigation, Drainage and Rural Engineering Journal, 279: 29-34.
Lapong, E., Fujihara, M., Izumi, T., Hamagami, K., Kakihara, T., Kobayashi, N. (2012): Suspended sediment estimation and analysis in river basins with rice paddy fields. Water Science and Technology, 66(5): 918-926.
藤原正幸・ラポン エドワード・泉 智揮・M上邦彦・小林範之・垣原登志子(2012):四万十川支流広見川のSS負荷量とそれに及ぼす水田農業の影響.水工学論文集,56:I_631-I_636.
 2011年
Fujihara, M., Kobayashi, N., Nishiyama, T., Izumi, T., Yoshitake, Y. (2011): Optimum design of tri-angular/rectangular soil blanket under given design seepage discharge. Irrigation, Drainage and Rural Engineering Journal, 79(6): 25-30.
Kobayashi, N., Fujihara, M., Nishiyama, T., Izumi, T., Yoshitake, Y. (2011): Optimum design of tri-angular/rectangular soil blanket under given volume of blanket material. Irrigation, Drainage and Rural Engineering Journal, 79(5): 31-36.
M上邦彦・藤原正幸・Lapong, Edward (2011) :水上栽培におけるハナカンナの栄養塩吸収能および熱輸送遮断効果.水利科学,55(4):72-84.
Hamagami, K., Fujihara, M., Lapong, E. (2011): Nutrient Removal Rate and Heat Flux through Floating Canna Culture System in Eutrophied Water. Journal of Water and Environment Technology, 9(3): 311-320.
Izumi, T., Fujihara, M., Takeuchi, J., Kawachi, T. (2011): Inverse Modeling of Mass-conservative Numerical Model for Variably Saturated Seepage Flow. Journal of Rainwater Catchment Systems, 17(1): 11-16.
Hamagami, K., Fujihara, M., Lapong, E. (2011): Parameterization for Nutrients Absorption and Therrnal Flux of Floating Culture System in Eutrophied Water. Proceedings of The 8th International IWA Symposium on Waste Management Problems in Agro-industries, 551-558.
Lapong, E., Fujihara, M., Izumi, T., Hamagami, K., Kakihara, T., Kobayashi, N. (2011): River Suspended Sediment Transport Analysis in Agricultural Watersheds -The case of tributaries of Shimanto River, `the last clear stream' of Japan-. Proceedings of The 8th International IWA Symposium on Waste Management Problems in Agro-industries, 337-344.
Yoshitake, Y., Kobayashi, N., Fujihara, M., Nishiyama, T. (2011): An Analytical Solution of Seepage Discharge from a Reservoir of Embankment Dam with Triangular Soil Blanket and its Applicability. Irrigation, Drainage and Rural Engineering Journal, 79(2): 65-71.
Hamagami, K., Mori, K., Iguchi, S., Hirai, Y. (2011): Response Characteristics of Internal Wave to Wind Stress in a Shallow Closed Water Body. Journal of the Faculty of Agriculture Kyushu University, 56(1): 123-128.
 2010年
Fujihara, M. and Akimoto, M. (2010): A Numerical Model of Fish Movement in a Vertical Slot Fishway. Fisheries Engineering, 47(1): 13-18.
泉  完・神山公平・藤原正幸(2010):全面越流型階段式魚道プール内の流況と魚の遊泳行動−岩木川取水堰の全面越流型魚道を事例にして−.農業農村工学会論文集,269:127-135.
Fujihara, M., Sugihara, C., Izumi, T. and Lapong, E. (2010): An Estimate for Optimum Capacity of a Rainwater Storage Tank Installed in an Individual House -An Application for Matsuyama City-. Journal of Rainwater Catchment Systems, 16(1): 33-38.
Takeuchi, J., Imagawa, C., Kawachi, T., Unami, K., Maeda, S. and Izumi, T. (2010): A Refined Hydro-environmental Watershed Model with Field-plot-scale Resolution. Paddy and Water Environment, 8(2): 175-187.
Hirai, Y., Kawai, K., Mouri, M., Mori, Y. and Hamagami, K. (2010): Feasibility Study on Electrical- conductivity-based Field Measurement of Inorganic Nitrogen Concentration in Irrigation Water. Proceedings of International Symposium on Machinery and Mechatronics for Agriculture and Biosystems Engineering (ISMAB), Fukuoka, April, CD-ROM.
平井康丸・河合憲三・横山剛宗・別府佑一郎・毛利麻里香・濱上邦彦(2010):灌漑水による窒素供給が米生産に与える影響.システム農学,26(1):27‐35.
Fujihara, M., Sakurai, Y. and Okamoto, T. (2010): Hydraulic Structure and Material Transport in an Irrigation Channel with a Side-Cavity for Aquatic Habitat, Transactions of the Japanese Society of Irrigation, Drainage and Rural Engineering, 265:17-22.
Unami, K., Izumi, T., Imagawa, C., Kawachi, T., Maeda, S. and Takeuchi, J. (2010): Infiltration Process in Rainfed Rice Field Soil of Ghanaian Inland Valley. Journal of Rainwater Catchment Systems, 15(2):17-20.
Hamagami, K., Mori, K., Hirai, Y. (2010): Effect of Horizontal Convection on the Natural Cooling Process at Water Surface in a Closed Water Body. Journal of the Faculty of Agriculture Kyushu University, 55(1): 137-143.
Hamagami, K., Mori, K., Hirai, Y. (2010): Thermal Convection in a Closed Water Body with Compound Cross Section. Journal of the Faculty of Agriculture Kyushu University, 55(1): 145-151.
吉岡秀和・濱上邦彦・森  健・平井康丸(2010):低レイノルズ数型k-ε乱流モデルを用いた吹送流の三次元数値解析.九州大学大学院農学研究院学芸誌,65(1):1-11.
平井康丸・森 裕樹・濱上邦彦(2010):福岡県星野村の棚田の米生産環境.システム農学,26(2):79-88.
平井康丸・別府佑一郎・濱上邦彦(2010):現場利用を指向した水田水温の日変化推定モデル.システム農学,26(3):105-11.
末永隆裕・平井康丸・濱上邦彦(2010):棚田の米生産における労働時間・生産費・所得の実態調査.システム農学,26(3):119-126.
濱上邦彦・森  健・平井康丸(2010):浅水域を有する閉鎖性水域の水面冷却過程における密度流.農業農村工学会論文集,269:85-92.
平井康丸・森 裕樹・濱上邦彦(2010):導電率測定による灌漑水の無機態窒素濃度推定.システム農学,26(4):151-158.
Yuge, K., Hamagami, K., Shinogi, Y. (2010): Relationship Between Plant Bioelectrical Potential and Water Consumption Environment. Journal of the Faculty of Agriculture Kyushu University, 55(2): 365-370.
 2009年
Bui, Q.L., Nguyen, V.T., Hamagami, K., Iguchi, S., Mori, K. and Hirai, Y. (2009): Formation and Disappearance of Thermal Stratification in a Small Shallow Lake, Journal of the Faculty of Agriculture Kyushu University, 54(1):251-259.
Hamagami, K., Bui, Q.L., Mori, K. and Hirai, Y. (2009): Impact of Luxuriant Aquatic Plants on Thermal Convection in a Closed Water Body, Paddy and Water Environment, 7(3):187-195.
Hamagami, K., Mori, K. and Hirai, Y. (2009): Thermal Convection in a Shallow Closed Water Body with Floating Aquatic Plants. Proceedings of International Symposium on Environmental Science and Technology (ISEST), shanghai, Jun, 320-325.
Hirai, Y., Hamagami, K. (2009): Effects of Air Temperature, Nitrogen Concentration in Irrigation Water, and Cultivation Practices on Rice Production in the Rice Terrace Region, Journal of the Faculty of Agriculture Kyushu University, 54(2):305-311.
Izumi, T., Takeuchi, J., Kawachi, T. and Fujihara, M. (2009): An Inverse Method to Estimate Unsaturated Hydraulic Conductivity in Seepage Flow in Non-isothermal Soil. Transactions of the Japanese Society of Irrigation, Drainage and Rural Engineering, 77(6):623-630.
河合憲三・平井康丸・首藤大比古・望月俊宏・山川武夫・濱上邦彦(2009):水稲のポット栽培による液状堆肥の窒素成分の肥料特性評価. 九州大学大学院農学研究院学芸誌, 64(2):103‐107.
Maeda, S., Kawachi, T., Unami, K., Takeuchi, J., Izumi, T. and Chono, S. (2009): Fuzzy Optimization Model for Integrated Management of Total Nitrogen Loads from Distributed Point and Nonpoint Sources in Watershed. Paddy and Water Environment, 7(3):163-175.
Nguyen, V.T., Hamagami, K., Mori, K. and Hirai, Y. (2009): Mixing by Wind-induced Flow and Thermal Convection in a Small, Shallow and Stratified Lake, Paddy and Water Environment, 7(2):83-93.
 2008年
Chhakuli, S. and Fujihara, M. (2008):Numerical modeling of flow in fishways embedded with circular/rectangular obstructions.Journal of Rainwater Catchment Systems, 14(2), 9-19.
Fujihara, M., Akimoto, M. and Izumi, M. (2008): 3-D Numerical Simulations of Pool-and-Weir Fishways Using VOF.Journal of Rainwater Catchment Systems, 14(1), 69-76.
Fujihara, M., Akimoto, M. and Izumi, M. (2008): 3-D Flow Simulation of an Ice-Harbor Fishway.Proc.16th Congress of APD-IAHR & 3rd IAHR International Symposium on Hydraulic Structures, In Advances in Water Resources and Hydraulic Engineering, Tsinghua University Press, 2241-2246.
Fujihara, M. and Fujita, A. (2008): A simple estimation method fan-shaped fishway. Journal of Rainwater Catchment Systems, 14(2), 29-33.
Lapong, E. and Fujihara, M. (2008): Water Resources in the Philippines - An Overview of its Uses, Management, Problems and Prospects -.Journal of Rainwater Catchment Systems, 14(1), 57-68.
 2007年
Chhakuli S. and Fujihara M. (2007): Effects of downstream shapes of obstructions on the flow characteristics in nature-like fishways,Proc. 32nd Congress of IAHR (the International Association of Hydraulic Engineering and Research), in CD-ROM.
Chhakuli S. and Fujihara M. (2007): Effects of the standard deviation of shape variation of obstractions on the flow characteristics in nature-like fishways,Journal of Rainwater Catchment Systems, Vol.13, No.1, pp.11-16.
藤原正幸・垣原登志子・冨岡和博・福島忠雄(2007):なぜ大池は富栄養化するのか−大池とシダノシタ池の比較から−,農業土木学会論文集,農業土木学会,No.249, pp.99-106.
 2005年
垣原登志子・藤原正幸・福島忠雄(2005):生活排水が流入する農業用水路の水質特性.用水と廃水,産業用水調査会,Vol.47,No.3,pp.223-229.
Masayuki Fujihara, Mai Akimoto and Subas Chhatkuli (2005): Modelling Fish Movement in a Vertical Slot Fishway. Proc. 31st International Association for Hydraulic Engineering and Research, pp.1987-1993 (in CD-ROM).
 2004年
Masayuki Fujihara and Subas Chhatkuli (2004): Numerical Experiments of Flows in Fishways with Stone Embedded in Regular and Staggered Patterns, Proc. 6th International Conference on HYDROINFOMATICS, Vol.1, pp.293-300.
S.Chhatkuli and M. Fujihara (2004): Numerical Analysis of Flows in Circular and Square Stones Embedded Fishways. Proc. 4th International Symposium on Environmental Hydraulics and 14th congress of Asia and Pacific Division International Association of Hydraulic Engineering and Research, Vol.1, pp.557-562.
 2003年
Fujihara M., T. Fukushima and K. Tachibana (2003): Numerical Investigations of Flow in Vertical Single- and Double-slot Fishways. 農業土木学会論文集,農業土木学会,No.223,pp.79-88.
藤原正幸・福島忠雄・岡本友和(2003):粗石付き斜路の曝気能.農業土木学会論文集,農業土木学会No.228,pp.843-849.
藤原正幸・福島忠雄・松木靖代・岡本友和(2003):斜路部をもつ堰の曝気能−単純落差工との比較を通して−.農業土木学会論文集,農業土木学会,No.228,pp.851-857.
 2002年
高軍省・福島忠雄・藤原正幸・垣原登志子・渡邊崇(2002):中小河川における高水時の水質特性―松山市小野川における事例研究−.Journal of Rainwater Catchment Systems,Vol.7,No.2,pp.31-38.
高軍省・福島忠雄・藤原正幸(2002):小河川の中〜高水領域選択取水に関する実験的研究−扇形沈砂池の水理構造について−.Journal of Rainwater Catchment Systems,Vol.7,No.2,pp.39-45.
垣原登志子・福島忠雄・藤原正幸・江崎次夫(2002):瀬戸内島嶼部樹園地地帯における地下水の水質特性−中島本島を事例として−.Journal of Rainwater Catchment Systems,Vol.8,No.1,pp.27-33.
Fujihara M., T. Fukushima and K. Tachibana (2002): Numerical Modelling of Flows in Vertical Single-slot and Double-slot Fishways, In Advances in Hydraulics and Water Engineering, Proc.13th Congress of the Asian and Pacific Division of the International Association for Hydraulic engineering and Research (APD-IAHR), Vol.II, World Scientific Publishing Co., Singapore, pp.1019-1024.
藤原正幸・福島忠雄(2002):解適合Q-tree格子を用いた有限体積法によるゴドゥノフ型スキームのバーティカルスロット式魚道への適用.水産工学,日本水産工学会,39(2),pp.117-123.
 2001年
Rogers, B., M. Fujihara, and A.G.L. Borthwick (2001): Adaptive Q-tree Godunov-type Scheme for Shallow Water Equations. International Journal for Numerical Methods in Fluids, John Wiley & Sons, Ltd., Vol.35,No.3, pp.247-280.
Fujihara, M., S. Kinoshita and T. Fukushima (2001): An Application of Godunov-type Scheme to Flow in a Vertical Slot Fishway. Journal of Rainwater Catchment Systems, Japan Rainwater Catchment Systems Association, Vol.6, No.2, pp.21-26.
福島忠雄・高軍省・藤原正幸(2001):小河川の中〜高水領域選択取水-取水堰に付随する沈砂池と表面取水装置の設計理念-.Journal of Rainwater Catchment Systems,日本雨水資源化システム学会,Vol.6,No.2,pp.39-42.
Fujihara, M. and S. Kinoshita (2001): Numerical Simulation of Flow in Vertical Slot Fishways Using Solution Adaptive Quadtree Grids. XXIX IAHR(International Association for Hydraulic Engineering and Research) Congress Proceedings, Tsinghua University Press, Theme D, Vol.II, pp.876-880.
垣原登志子・福島忠雄・藤原正幸・江崎次夫(2001):瀬戸内島嶼部樹園地地帯における表流水と貯留水の水質特性−中島本島を事例として−.Journal of Rainwater Catchment Systems,日本雨水資源化システム学会,Vol.7,No.1,pp.13-18.
末永慶寛・田中和広・増田光一・藤原正幸・佐々木孝(2001):海砂採取による海底地形変化がイカナゴ稚仔魚輸送に及ぼす影響に関する研究.海岸工学論文集,土木学会,第48巻,pp.1246-1250.
Alistair G.L. Borthwick, M. Fujihara, and B.D. Rogers (2001): Godunov solution of shallow water equations on curvilinear and quadtree grids. In: Godunov Methods -Theory and Applications-, Toro, E.F.(Edt), Kluwer Academic/Plenum Publishers, New York, pp.141-148.
 2000年
藤原正幸・藤原建紀・大橋行三・杉山陽一(2000):伊勢湾の秋季の残差流.海の研究,日本海洋学会,Vol.9,No.2,pp.91-100.
野添学・大橋行三・藤原正幸(2000):鉛直2次元定常流場に設置された衝立型構造物による植物プランクトンと栄養塩の変化予測に関する数値実験.水産工学,日本水産工学会,Vol.36,No.3,pp.253-259.
藤原正幸・大橋行三(2000):道後平野における農業用水の地下水涵養効果の一試算.農業土木学会論文集,農業土木学会,No.208,pp.155-163.
Nakata, H., M. Fujihara, Y. Suenaga, T. Nagasawa, and T. Fujii (2000) : Effect of wind blows on the transport and settlement of brown sole (Pleuronectes herzensteini) larvae in a shelf region of the Sea of Japan: numerical experiments with an Euler-Lagrangeian model. Journal of Sea Research, Elsevier Science, Vol.44, pp.91-100.
Fujihara, M. and A.G.L. Borthwick (2000):Godunov-type Solution of Curvilinear Shallow Water Equations. Journal Hydraulic Engineering, American Society of Civil Engineering, Vol.126, No.11, pp.827-836.
Fujihara, M.(2000): Numerical Shallow Water Simulation Using Godunov-Type Scheme on Quadtree Grids. Journal of Rainwater Catchment Systems, Japan Rainwater Catchment Systems Association, Vol.6, No.1, pp.13-20.