Detailed Information

Research Field/Keywords for Research Field

• Hydraulic Engineering, Fluid Dynamics, Coastal Engineering, River Engineering, Environmental Hydraulics

Education

• 1994/03, Graduated
• 1996/03, Master Course, Completed

Employment Experience

• 2007/04 - 2015/05 Assistant Professor Kyushu University
• 2015/06 - 2022/02 Associate Professor, Civil Engineering, Graduate School of Science and Engineering, Saga University
• 2022/03 -  *  Professor, Department of Civil Engineering and Architecture, Faculty of Science and Engineering, Saga University

Field of Specialization

• Hydraulic engineering, Environmental dynamic analysis, Environmental impact assessment, Civil and environmental engineering, Naval and maritime engineering

Membership in Academic Societies

• Japan Society of Civil Engineers, The Japan Society of Fluid Mechanics, The Japanese Society for Multiphase Flow, Lowland Research Association, International Association for Hydro-Environment Engineering and Research

Awards

• Best Paper Award of IAHR-APD 2012 （2012/08）
• Outstanding Discussion Award （2022/03）

Research Topics and Results

• Estimation Method for Disaster Immunity in a Flood Disaster: A Case Study of Lowland Area of Saga 2024/09
• WAVE-CURRENT MODEL USING VARIATIONAL PRINCIPLE 2024/02
• Analysis and Prediction of Tidal Measurement Data from Temporary Stations using the Least Squares Method 2024/02
• Improvement of the Flood Control Capability by the Shimouke Dam in the Upper Chikugo River Basin 2022/11
• On Increasing Heavy Precipitation Disaster Risks in Kyushu Region and the Measures 2021/12
• Study on the Inundation Damage and Flood Control Adaptation for the Heavy Rain in August 2019 and a Future heavy Rain in the Kase River Basin 2021/11
• Study on the Future Flood Control Adaptation by Dams in the Kase River 2019/11
• Experimental Study on the Wake Structure behind a Cylindrical Rotator with Asymmetric Protrusions in a Unidirectional Flow 2016/05
• Flood Control Mechanism of Multiple Dams Constructed in a Series Based on Cascade Method 2015/06
• An Experimental Study on Flood Control Capability of Dry Dams Constructed in a Series 2015/06
• Study of Flood Control Capability and Advanced Application of Multiple Dams Constructed in Series 2013/06
• Study on the Sediment Transport Control by Using Submerged Asymmetrical Structures in Wave Fields 2012/09
• “Disaster immunity” - a new concept for disaster reduction in adaptation to disaster hazard intensification 2009/02
• Impacts of Recent Climate Change on Flood Disaster and Preventive Measures 2008/04
• NUMERICAL SIMULATIONS OF OSCILLATORY FLOWS AROUND SUBMERGED ASYMMETRICAL STRUCTURES 2006/02
• FIELD TESTS OF BaNK SYSTEM IN JIGYO BEACH 2005/02
• AN EXPERIMENTAL STUDY ON DIRECTIONAL RESISTANCE PROPERTIES OF A SUBMERGED ASYMMETRICAL ROUGHNESS 2003/02
• An Experimental Study on Spatial Characteristics of Turbulence with Neutrally Suspended Particles 1999/08
• SPATIAL CHARACTERISTICS OF TURBULENCE WITH NEUTRALLY SUSPENDED PARTICLES 1999/02

Books

• Characteristics of flood disaster and evacuation activities of residents at Amami Oshima Island, Japan;　2013
  ANNOUNCEMENT INFO.;　Floods - From Risk to Opportunity, 357, 48-56
  AUTHOR;　Akihiro Hashimoto, Akira Tai, Hideo Oshikawa, Toshimitsu Komatsu
  
• Residual Currents around Plural Asymmetrical Structures in Oscillatory Flow Fields;　2009
  ANNOUNCEMENT INFO.;　Computational Fluid Dynamics 2008, 15, 247-252
  AUTHOR;　Rusdin Andi, Hideo Oshikawa, Akihiro Hashimoto, Toshimitsu Komatsu
  

Original Articles

• Estimation Method for Disaster Immunity in a Flood Disaster: A Case Study of Lowland Area of Saga;　2024/09
  ANNOUNCEMENT INFO.;　Lowland Technology International, 24, 4, 24-36
  AUTHOR;　Ryo Nakano, Hideo Oshikawa
  
• WAVE-CURRENT MODEL USING VARIATIONAL PRINCIPLE;　2024/02
  ANNOUNCEMENT INFO.;　Japanese Journal of JSCE, 80, 16, 23-16044
  AUTHOR;　Keisuke NAKAYAMA, TETSUYA SHINTANI, Hideo OSHIKAWA, Kennichiro KOBAYASHI
  
• Analysis and Prediction of Tidal Measurement Data from Temporary Stations using the Least Squares Method;　2024/02
  ANNOUNCEMENT INFO.;　Civil Engineering Journal, 10, 2, 384-403
  AUTHOR;　Andi Rusdin, Hideo Oshikawa, Andi M. A. Divanesia, and Muksan P. Hatta
  
• Improvement of the Flood Control Capability by the Shimouke Dam in the Upper Chikugo River Basin;　2022/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 78, 2, I_1267-I_1272
  AUTHOR;　Hideo Oshikawa, Haruto Katayama, Toshimitsu Komatsu
  
• Analysis of Resuspension Phenomenon Using Coupled Wave, Current and Sediment Transport Model in the Ariake Sea;　2022/07
  ANNOUNCEMENT INFO.;　Proceedings of the 39th IAHR World Congress, 39, 5479-5484
  AUTHOR;　Akira Tai, Simon Neill, Matthew Lewis, Hideo Oshikawa
  
• On Increasing Heavy Precipitation Disaster Risks in Kyushu Region and the Measures;　2021/12
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1, 77, 1, 158-166
  AUTHOR;　Toshimitsu Komatsu, Akihiro Hashimoto, Hideo Oshikawa
  
• Study on the Inundation Damage and Flood Control Adaptation for the Heavy Rain in August 2019 and a Future heavy Rain in the Kase River Basin;　2021/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 77, 2, I_469-I_474
  AUTHOR;　Konan Sakamoto, Hideo Oshikawa, Taiga Nagamizo, Akira Tai, Toshimitsu Komatsu
  
• Variations of Reynolds Stress Depending on Coordinate Axis in Wave-Current Coexisting Fields;　2021/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 77, 2, I_1177-I_1182
  AUTHOR;　Hiroaki Tanaka, Hideo Oshikawa, Akira Tai, Yuichi Hayami
  
• Risk Maps on Automobile Traffic and Walk in a Flood Situation in Saga Urban District Area;　2021/07
  ANNOUNCEMENT INFO.;　Research on Lowland Technology, 30, 33-36
  AUTHOR;　Hideo Oshikawa, Yuya Nagase, Konan Sakamoto
  
• Lessons learned from the heavy rain event of July 2020 and future disaster risk;　2021/02
  ANNOUNCEMENT INFO.;　Western Regional Division Report of Natural Disaster Research Council, 45, 1-4
  AUTHOR;　Akihiro Hashimoto, Hideo Oshikawa, Tohimitsu Komatsu
  
• Optimization of New Flood Control Method Using Multiple Dry Dams Constructed in a Series;　2020/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 76, 2, I_475-I_480
  AUTHOR;　Hideo Oshikawa, Takaaki Sugibayashi, Konan Sakamoto, Toshimitsu Komatsu
  
• A Study on the Flood Control Measures by Existing Dams in the Kase River Basin in Consideration of Global Warming;　2020/09
  ANNOUNCEMENT INFO.;　Proceedings of the 22nd IAHR-APD Congress 2020, 22, 8p.
  AUTHOR;　Konan Sakamoto, Hideo Oshikawa, Akira Tai, Akihiro Hashimoto and Toshimitsu Komatsu
  
• Study on the Behavior of Suspended Solids in the Neritic Region in an Inner Bay;　2020/09
  ANNOUNCEMENT INFO.;　Proceedings of the 22nd IAHR-APD Congress 2020, 22, 8p.
  AUTHOR;　Hiroaki Tanaka, Hideo Oshikawa, Akira Tai and Yuichi Hayami
  
• Prediction of Future Rainfall Variations Due to Global Warming in the Kyushu Island by Large Ensemble Experiments;　2020/09
  ANNOUNCEMENT INFO.;　Proceedings of the 22nd IAHR-APD Congress 2020, 22, 7p.
  AUTHOR;　Akira Tai, Tatsuya Oku, Akihiro Hashimoto, Hideo Oshikawa, Yuji Sugihara, Nobuhiro Matsunaga and Toshimitsu Komatsu
  
• Study of external forces on turbidity in the neritic region of an inner bay;　2020/09
  ANNOUNCEMENT INFO.;　Proceedings of 2020 Annual Meeting, Japan Society of Fluid Mechanics, 3p.
  AUTHOR;　H. Oshikawa, H. Tanaka, A. Tai, Y. Hayami
  
• Prediction of future flood frequency under changing climate using a large ensemble climate projections;　2020/09
  ANNOUNCEMENT INFO.;　Proceedings of 2020 Annual Meeting, Japan Society of Fluid Mechanics, 3p.
  AUTHOR;　Akihiro Hashimoto, Keita Yamaguchi, Akira Tai, Hideo Oshikawa
  
• A Study on the accidents of a car flushed away in a Flood Situation in the Saga Heavy Rain Disaster on August 2019;　2020/07
  ANNOUNCEMENT INFO.;　Research on Lowland Technology, 29, 43-47
  AUTHOR;　Hideo Oshikawa, Ryo Nakano
  
• Urgent adaptation measures to prepare for disasters caused by heavy rain under climate change;　2020/02
  ANNOUNCEMENT INFO.;　Western Regional Division Report of Natural Disaster Research Council, 44, 9-12
  AUTHOR;　Akihiro Hashimoto, Hideo Oshikawa, Tohimitsu Komatsu
  
• Study on the Future Flood Control Adaptation by Dams in the Kase River;　2019/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 75, 2, I_79-I_84
  AUTHOR;　Hideo Oshikawa, Konan Sakamoto, Ryusei Baba, Akira Tai, Akihiro Hashimoto, Toshimitsu Komatsu
  
• Prediction of Future Rainfall Variations in the Kyushu Island Based on Large Ensemble Experiments;　2019/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 75, 2, I_133-I_138
  AUTHOR;　Akira Tai, Tatsuya Oku, Akihiro Hashimoto, Hideo Oshikawa, Yuji Sugihara, Nobuhiro Matsunaga, Toshimitsu Komatsu
  
• Prediction of Future Rainfall Variations after global warming in the Kyushu Island using Large Ensemble Experiments;　2019/09
  ANNOUNCEMENT INFO.;　Proceedings of 2019 Annual Meeting, Japan Society of Fluid Mechanics, ISSN 2433-2666, 6p.
  AUTHOR;　A. Tai, T. Oku, A. Hashimoto, H. Oshikawa, Y. Sugihara, N. Matsunaga, T. Komatsu
  
• Development of a Low Cost Type Automatic Gate Facility without Electric Power;　2019/09
  ANNOUNCEMENT INFO.;　Journal of Civil Engineering, 60, 9, 112-115
  AUTHOR;　Koji Koga, Koichiro Ohgushi, Hideo Oshikawa
  
• A Study on the Application of Cascade Type Flood Control to the Chikugo River;　2019/09
  ANNOUNCEMENT INFO.;　E-proceedings of the 38th IAHR World Congress, 38, 2143-2149
  AUTHOR;　Hideo Oshikawa, Yuki Ohta, Konan Sakamoto, Shingo Maruta, Akira Tai, Toshimitsu Komatsu
  
• A Simple Mathematical Model for Flood Control by a Dry Dam;　2019/09
  ANNOUNCEMENT INFO.;　Journal of Sustainable Engineering, 1, 2, 207-217
  AUTHOR;　Hideo Oshikawa
  
• Characteristics of River Disasters due to Flood, Sediment and Driftwood in the 2017 Heavy Rain Disaster in Northern Kyushu;　2019/08
  ANNOUNCEMENT INFO.;　Research on Lowland Technology, 28, 10-12
  AUTHOR;　Hideo Oshikawa, Akihiro Hashimoto, Tohimitsu Komatsu
  
• Change of Characteristics in Recent Flood Control Disasters and Learned Lessons;　2019/02
  ANNOUNCEMENT INFO.;　Western Regional Division Report of Natural Disaster Research Council, 43, 13-16
  AUTHOR;　Tohimitsu Komatsu, Hideo Oshikawa, Akihiro Hashimoto
  
• Characteristics of the 2017 Flood Disaster in Northern Kyushu and Learned Lessons;　2018/11
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 74, 5, I_1087-I_1092
  AUTHOR;　Akihiro HASHIMOTO, Hideo OSHIKAWA and Toshimitsu KOMATSU
  
• RISK TO A VEHICLE IN A FLOOD IN CONSIDERATION OF FLOW DIRECTION;　2018/09
  ANNOUNCEMENT INFO.;　Proceedings of the 21st IAHR-APD Congress 2018, 2, 981-989
  AUTHOR;　HIDEO OSHIKAWA, TAKASHI OSHIMA, AKIHIRO HASHIMOTO, KOICHIRO OHGUSHI and TOSHIMITSU KOMATSU
  
• Study on the Risk for Automobile Traffic in a Flood Situation Depending on Flow Direction;　2018/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 74, 4, I_1519-I_1524
  AUTHOR;　Hideo OSHIKAWA, Takashi OSHIMA, Akihiro HASHIMOTO, Koichiro Ohgushi and Toshimitsu KOMATSU
  
• Simple Analytical Method of Flood Control by a Dry Dam;　2017/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 73, 4, I_1255-I_1260
  AUTHOR;　Hideo OSHIKAWA, Koichiro Ohgushi, Yuji SUGIHARA, and Toshimitsu KOMATSU
  
• Effect of current and wave on sediment transport in inner bay;　2016/09
  ANNOUNCEMENT INFO.;　Proceedings of 2016 Annual Meeting, Japan Society of Fluid Mechanics, 35, 4p.
  AUTHOR;　Ryoma Yoshitake, Hideo Oshikawa, Akira Tai, Yuichi Hayami
  
• Behavior of Suspended Solids in the Neritic Region of an Inner Bay;　2016/08
  ANNOUNCEMENT INFO.;　Proceedings of the 20th IAHR-APD Congress of the Asia Pacific Division of the International Association for Hydro Environment Engineering & Research, 20, 8p.
  AUTHOR;　Hideo Oshikawa, Ryoma Yoshitake, Akira Tai and Yuichi Hayami
  
• Numerical Analysis of Flow and Sediment Transport on the Traditional Water Management System in Ishiibi Water Diversion of Kase River, Japan;　2016/08
  ANNOUNCEMENT INFO.;　Proceedings of the 20th IAHR-APD Congress of the Asia Pacific Division of the International Association for Hydro Environment Engineering & Research, 20, 7p.
  AUTHOR;　Koichiro Ohgushi, Hideo Oshikawa, Yosuke Tani and Masanao Kushibe
  
• Experimental Study on the Wake Structure behind a Cylindrical Rotator with Asymmetric Protrusions in a Unidirectional Flow;　2016/05
  ANNOUNCEMENT INFO.;　Procedia - Social and Behavioral Sciences, 218, 161–170
  AUTHOR;　H. Oshikawa, T. Komatsu
  
• Response Characteristics of Suspended Solids in Neritic Region in Inner Bay;　2016/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 72, 4, I_937-942
  AUTHOR;　Hideo OSHIKAWA, Ryoma YOSHITAKE, Akira TAI, Yuichi HAYAMI
  
• A Quantitative Evaluation of the Effects of Wakatsu Port Training Levee on the Flow, Salinity and Sediment Transport in the Lower Reach of Chikugo River;　2016/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 72, Ⅰ_373-378
  AUTHOR;　Yuki KOGA, Koichiro OHGUSHI, Hideo OSHIKAWA
  
• Flood Control under the Climate Change;　2016/02
  ANNOUNCEMENT INFO.;　Western Regional Division Report of Natural Disaster Research Council, 40, 1-4
  AUTHOR;　Tohimitsu KOMATSU, Hideo OSHIKAWA, Akihiro HASHIMOTO
  
• Adaptation for Strengthening Disaster Prevention and Resilience in Water-related Disasters;　2015/08
  ANNOUNCEMENT INFO.;　Environmental Research Quarterly, 179, 47-56
  AUTHOR;　Tohimitsu KOMATSU, Hideo OSHIKAWA, Akihiro HASHIMOTO
  
• Flood Control Mechanism of Multiple Dams Constructed in a Series Based on Cascade Method;　2015/06
  ANNOUNCEMENT INFO.;　Journal of Disaster Research, 10, 3, 475-485
  AUTHOR;　Hideo Oshikawa, Toshimitsu Komatsu
  
• An Experimental Study on Flood Control Capability of Dry Dams Constructed in a Series;　2015/06
  ANNOUNCEMENT INFO.;　Journal of Disaster Research, 10, 3, 467-474
  AUTHOR;　Hideo Oshikawa, Yuka Mito, Toshimitsu Komatsu
  
• ESTIMATION OF FLOOD CONTROL CAPABILITY OF MULTIPLE DRY DAMS CONSTRUCTED IN SERIES BASED ON CASCADE METHOD;　2015/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 71, 4, I_1417-I_1422
  AUTHOR;　OSHIKAWA Hideo, KOMATSU Toshimitsu
  
• Study on the Risk Evaluation for a Vehicular Traffic in a Flood Situation;　2014/09
  ANNOUNCEMENT INFO.;　Proceedings of the 19th IAHR-APD Congress 2014, 19, ISBN 978604821338-1, 7p.
  AUTHOR;　Hideo Oshikawa, Toshimitsu Komatsu
  
• Awareness Survey to the Flood Disaster in Walennae Watershed of Indonesia;　2014/09
  ANNOUNCEMENT INFO.;　Proceedings of the 19th IAHR-APD Congress 2014, 19, ISBN 978604821338-1, 4p.
  AUTHOR;　Mukhsan Putra Hatta, Akira Tai, A. Bau Emil Salim, Akihiro Hashimoto, Hideo Oshikawa, Toshimitsu Komatsu
  
• On New Functions of a Dry Dam for an Adaptation to Disaster Hazard Intensification;　2014/05
  ANNOUNCEMENT INFO.;　Proc. of 2014 I3R2 Conference, 10, 56-61
  AUTHOR;　H. Oshikawa, T. Komatsu, A. Tai
  
• MECHANISM OF FLOOD CONTROL CAPABILITY OF MULTIPLE DAMS CONSTRUCTED IN SERIES BASED ON CASCADE METHOD;　2014/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 70, 4, I_1555-I_1560
  AUTHOR;　OSHIKAWA Hideo, KOMATSU Toshimitsu
  
• New Development of Functions of a Dry Dam for an Adaptation to Climate Change;　2014/02
  ANNOUNCEMENT INFO.;　Journal of Disaster Research, 9, 1, 78-85
  AUTHOR;　Akira Tai, Hideo Oshikawa, Toshimitsu Komatsu
  
• Flood Control Capability of Dry Dams Constructed in Series;　2013/09
  ANNOUNCEMENT INFO.;　Proceedings of the 35th IAHR World Congress, 35, A11171, 9p.
  AUTHOR;　Hideo Oshikawa, Toshimitsu Komatsu
  
• Recommendation of a Dry Dam for an Adaptation to Climate Change;　2013/08
  ANNOUNCEMENT INFO.;　WATER SCIENCE, 57, 3, 1-11
  AUTHOR;　KOMATSU Toshimitsu, OSHIKAWA Hideo
  
• Effects of Multiple Dry Dams Constructed in Series on Flood Control;　2013/08
  ANNOUNCEMENT INFO.;　WATER SCIENCE, 57, 3, 33-50
  AUTHOR;　OSHIKAWA Hideo, MITO Yuka, KOMATSU Toshimitsu
  
• Study of Flood Control Capability and Advanced Application of Multiple Dams Constructed in Series;　2013/06
  ANNOUNCEMENT INFO.;　Journal of Disaster Research, 8, 3, 447-455
  AUTHOR;　Hideo Oshikawa, Yuka Mito, Toshimitsu Komatsu
  
• AN EXPERIMENTAL STUDY ON THE CASCADE TYPE FLOOD CONTROL USING MULTIPLE DRY DAMS;　2013/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 69, 4, Ⅰ_1639-1644
  AUTHOR;　Yuka Mito, Hideo Oshikawa, Toshimitsu Komatsu
  
• STUDY ON THE FLOOD CONTROL CAPABILITY OF DRY DAMS CONSTRUCTED IN SERIES;　2013/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 69, 4, Ⅰ_1633-1638
  AUTHOR;　Hideo Oshikawa, Yuka Mito, Toshimitsu Komatsu
  
• The Concept of Disaster Immunity to Encourage Adaptation to Disaster Hazard Intensification;　2012/11
  ANNOUNCEMENT INFO.;　Journal of Hydroscience and Hydraulic Engineering, 30, 2, 1-10
  AUTHOR;　Toshimitsu Komatsu and Hideo Oshikawa
  
• Quantitative Estimation of Residual Currents around Submerged Asymmetric Structures in Wave Fields;　2012/08
  ANNOUNCEMENT INFO.;　IAHR-APD 2012 Proceedings, 18, 313, 11p.
  AUTHOR;　Hideo Oshikawa, Kohei Motomura, Toshimitsu Komatsu
  
• Cascade Type Flood Control Using Plural Dams;　2012/06
  ANNOUNCEMENT INFO.;　Proceedings of the International Symposium on Dams for a Changing World, 24, 1_51-56
  AUTHOR;　H. Oshikawa, T. Komatsu
  
• STUDY ON THE CASCADE TYPE FLOOD CONTROL USING DRY DAMS;　2012/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 68, 4, I_1489-I_1494
  AUTHOR;　OSHIKAWA Hideo, KOMATSU Toshimitsu
  
• QUANTITATIVE ESTIMATION ON FLOOD CONTROL CAPABILITY OF A DRY DAM FOR A HYDRAULIC BORE;　2012/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 68, 4, I_871-I_876
  AUTHOR;　OSHIKAWA Hideo, MITO Yuka, KOMATSU Toshimitsu
  
• Study on the Flood Control Ability of Dry Dams;　2011/07
  ANNOUNCEMENT INFO.;　Advances in River Engineering, 17, 317-322
  AUTHOR;　Hideo OSHIKAWA, Yuka MITO, Toshimitsu KOMATSU
  
• Study on the Risk for Vehicular Traffic in a Flood Situation;　2011/07
  ANNOUNCEMENT INFO.;　Advances in River Engineering, 17, 461-466
  AUTHOR;　Hideo OSHIKAWA, Takashi OSHIMA, Toshimitsu KOMATSU
  
• Investigation of Flood Disaster and Evacuation Activity of Residents in the Sumiyo River Basin in Amami Oshima Island on October 20, 2010;　2011/07
  ANNOUNCEMENT INFO.;　Advances in River Engineering, 17, 473-478
  AUTHOR;　Akira TAI, Akihiro HASHIMOTO, Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• SEDIMENT TRANSPORT IN THE SANRIMATSUBARA COAST;　2011/06
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering), 67, 2, I_756-761
  AUTHOR;　OSHIKAWA Hideo, ISHIHARA Kouichi, KOJIMA Haruyuki, YAN Shuguang, KOMATSU Toshimitsu
  
• QUANTITATIVE ESTEMATION OF RESIDUAL CURRENTS AROUND PLURAL SUBMERGED ASYMMETRICALSTRUCTURES IN WAVE FIELDS;　2011/06
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering), 67, 2, I_52-57
  AUTHOR;　OSHIKAWA Hideo, MOTOMURA Kohei, KOMATSU Toshimitsu
  
• Mound Formation by Slurry Jets on a Slope in a Water Pond;　2011/06
  ANNOUNCEMENT INFO.;　Proceedings of the 34th IAHR World Congress, 34, 3346-3353
  AUTHOR;　A. H. Azimi, J. Cai, N. Hall, H. Oshikawa, D. Z. Zhu, N. Rajaratnam
  
• Experimental Study to Prevent River Stoppages Due to Driftwood;　2011/06
  ANNOUNCEMENT INFO.;　Proceedings of the 34th IAHR World Congress, 34, 307-314
  AUTHOR;　H. Oshikawa and T. Komatsu
  
• STUDY ON THE FLOOD CONTROL ABILITY OF A DRY DAM USED AS A FLOOD RETARDING BASIN IN A RIVER;　2011/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering), 67, 4, I_667-672
  AUTHOR;　OSHIKAWA Hideo, IMAMURA Tomohiko, KOMATSU Toshimitsu
  
• Adaptation to Water Related Disasters Induced by Global Environmental Change;　2010/08
  ANNOUNCEMENT INFO.;　Proceedings of Korea(BUGB)-Japan(SC) 2010 Joint Seminar on Civil Engineering, 1-7
  AUTHOR;　Toshimitsu Komatsu, Hideo Oshikawa, Akihiro Hashimoto
  
• An Experimental Study on the Wake Structure behind a Cylindrical Rotator with Asymmetry in a Unidirectional Flow;　2010/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 54, 1051-1056
  AUTHOR;　Hideo OSHIKAWA, Naoki TERAO, Toshimitsu KOMATSU
  
• Water Quality Purification by Porous Concrete Block Including Bacillus Subtilis Natto Group under Running Water Conditions;　2010/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 54, 1321-1326
  AUTHOR;　Akihiro HASHIMOTO, Masayoshi YAMAMOTO, Daijiro TSUTSUMI, Hideo OSHIKAWA, Nobuhiro MATSUNAGA, Toshimitsu KOMATSU, Masayuki KOGA, Toshiaki IWASHITA, Atsuhiko HARADA
  
• Characteristics of Residual Currents Produced by a Specific Pipe with Directional Resistance Properties in Oscillatory Flow Fields;　2010/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 54, 1555-1560
  AUTHOR;　Hideo OSHIKAWA, Rusdin ANDI, Akihiro HASHIMOTO, Toshimitsu KOMATSU
  
• Sediment Transport Control Using Submerged Asymmetrical Structures in Wave Fields;　2009/12
  ANNOUNCEMENT INFO.;　Proceedings of International Symposium on Earth Science and Technology 2009, 7, 43-48
  AUTHOR;　Hideo OSHIKAWA and Toshimitsu KOMATSU
  
• Characteristics of Flows around Submerged Asymmetrical Structures in Irregular Wave Fields;　2009/10
  ANNOUNCEMENT INFO.;　ISME BUSAN 2009 Proceedings, 8, 6p.
  AUTHOR;　Hideo OSHIKAWA and Toshimitsu KOMATSU
  
• Flood Disasters Due to Recent Abnormal Rainfall and Preventive Measures in Japan;　2009/08
  ANNOUNCEMENT INFO.;　Proceedings of the 33RD IAHR Congress, Water Engineering for a Sustainable Environment, 33, 1723-1730
  AUTHOR;　H. Oshikawa, A. Hashimoto, K. Tsukahara, T. Komatsu
  
• Study on Improvement in the Flood Control Ability of a Dry Dam;　2009/06
  ANNOUNCEMENT INFO.;　Advances in River Engineering, 15, 417-422
  AUTHOR;　Yasuhiro NAKASHIMA, Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• Residual Currents around Plural Submerged Asymmetrical Structures in Wave Fields;　2009/06
  ANNOUNCEMENT INFO.;　Annual Journal of Civil Engineering in the Ocean, JSCE, 25, 623-628
  AUTHOR;　Hideo OSHIKAWA, Nobuhiro TAKEDA, Kunio ISHINUKI, Hiroshi SOEDA, Yoshikuni NAKAMURA, Toshimitsu KOMATSU
  
• Study on Future Countermeasures against Disasters in Sparsely Populated Areas which Floods Often Attack;　2009/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 53, 571-576
  AUTHOR;　Hideo OSHIKAWA, Akihiro Hashimoto, Toshimitsu KOMATSU
  
• A Comparative Study on the Capacity of Water Quality Purification in Fresh and Sea Water by a Porous Concrete Block Including Bacillus Subtilis Natto Group;　2009/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 53, 1519-1524
  AUTHOR;　Nobuhiro MATSUNAGA, Kazuyuki MURASHIMA, Hongyuan LI, Toshimitsu KOMATSU, Akihiro HASHIMOTO, Hideo OSHIKAWA, Masayuki KOGA, Toshiaki IWASHITA
  
• “Disaster immunity” - a new concept for disaster reduction in adaptation to disaster hazard intensification;　2009/02
  ANNOUNCEMENT INFO.;　Journal of Disaster Research, 4, 1, 7-11
  AUTHOR;　Hideo Oshikawa, Koji Asai, Kenichi Tsukahara, Toshimitsu Komatsu
  
• Cities and rural areas losing immunity against serious disasters due to global warming in Japan;　2008/12
  ANNOUNCEMENT INFO.;　Journal of Hydrological System, 70, 16-21
  AUTHOR;　Toshimitsu KOMATSU, Hideo OSHIKAWA
  
• Control of Substance Transport Using Submerged Asymmetrical Structures in Wave Fields;　2008/10
  ANNOUNCEMENT INFO.;　Advances in Water Resources and Hydraulic Engineering, 4, 1261-1266
  AUTHOR;　Hideo OSHIKAWA and Toshimitsu KOMATSU
  
• Flood Disasters due to Recent Abnormal Rainfall and Preventive Measures;　2008/09
  ANNOUNCEMENT INFO.;　Proceedings of WFEO-JFES-JSCE Joint International Symposium on Disaster Risk Management, 120-135
  AUTHOR;　Hideo Oshikawa, Akihiro Hashimoto, Kenichi Tsukahara, Toshimitsu Komatsu
  
• Residual Currents Produced by Plural Submerged Asymmetrical Structures in Wave-Current Coexisting Fields;　2008/09
  ANNOUNCEMENT INFO.;　Advances in Hydro-Science and Engineering, 8, 2286-2295
  AUTHOR;　Hideo OSHIKAWA, Nobuhiro TAKEDA, Toshimitsu KOMATSU
  
• Residual Currents Around Asymmetrical Pipes in Oscillatory Flow Fields;　2008/09
  ANNOUNCEMENT INFO.;　Advances in Hydro-Science and Engineering, 8, 2323-2332
  AUTHOR;　Rusdin ANDI, Hideo OSHIKAWA, Akihiro HASHIMOTO, Toshimitsu KOMATSU
  
• Impacts of Recent Climate Change on Flood Disaster and Preventive Measures;　2008/04
  ANNOUNCEMENT INFO.;　Journal of Disaster Research, 3, 2, 131-141
  AUTHOR;　Hideo Oshikawa, Akihiro Hashimoto, Kenichi Tsukahara, Toshimitsu Komatsu
  
• AN OUTLINE OF THE FLOOD DISASTERS IN THE SEADAI RIVER IN JULY 2006 AND THE REVIEW OF FLOOD CONTRORL BY DAM OPERATION;　2008/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 52, 805-810
  AUTHOR;　KOMATSU Toshimitsu, SUGIO Satoru, HIKIDA Makoto, OHMOTO Terunori, OSHIKAWA Hideo, HASHIMOTO Akihiro
  
• A FLOW AROUND SUBMERGED ASYMMETRICAL STRUCTURES IN AN IRREGULAR WAVE FIELD;　2008/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 52, 1417-1422
  AUTHOR;　OSHIKAWA Hideo, TAKEDA Nobuhiro, YOSHIDA Hideki, TANAKA Katsumi, OHATA Masashi, Rusdin Andi, KOMATSU Toshimitsu
  
• WATER QUALITY PURIFICATION BY THE SYMBIOSIS OF USEFUL MICROBIAL GROUP IN THE POROUS CONCRETE BLOCK AND DENITRIFYING BACTERIA IN SOIL;　2008/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 52, 1291-1296
  AUTHOR;　MATSUNAGA Nobuhiro, MASUDA Sousuke, NAKAMUTA Taishi, TOKUNAGA Takahisa, YANO Shinichiro, OSHIKAWA Hideo, HASHIMOTO Akihiro, FUJITA Kazuo, KOGA Masayuki, IWASHITA Toshiaki, HARADA Atsuhiko
  
• Numerical Simulations of Oscillatory Flows around a Submerged Asymmetrical Structure;　2007/12
  ANNOUNCEMENT INFO.;　Proceedings of 5th International Symposium on Earth Science and Technology, 5, 189-196
  AUTHOR;　Rusdin ANDI, Hideo OSHIKAWA, Akihiro HASHIMOTO, Toshimitsu KOMATSU
  
• Characteristics of Residual Currents Produced by Plural Submerged Asymmetrical Structures in Wave-current Coexisting Fields;　2007/07
  ANNOUNCEMENT INFO.;　Annual Journal of Civil Engineering in the Ocean, JSCE, 23, 883-888
  AUTHOR;　OSHIKAWA Hideo, TAKEDA Nobuhiro, YOSHIDA Hideki, TANAKA Katsumi, OHATA Masashi, KOMATSU Toshimitsu
  
• A Flow around a Submerged Asymmetrical Structure in a Wave Field;　2007/07
  ANNOUNCEMENT INFO.;　Annual Journal of Civil Engineering in the Ocean, JSCE, 23, 877-882
  AUTHOR;　OSHIKAWA Hideo, KUNISAWA Yoshinori, YOSHIDA Hideki, FUJITA Kazuo, KOMATSU Toshimitsu
  
• Characteristics of Oscillatory Flows around a Submerged Asymmetrical Structure;　2007/07
  ANNOUNCEMENT INFO.;　Proceedings of 32nd Congress of IAHR, 32, 1299, 10p.
  AUTHOR;　Oshikawa Hideo and Komatsu Toshimitsu
  
• River Stoppages in the Mimi River by Earth and Sand, Driftwood at the Typhoon 0514 and Preventive Measures;　2007/06
  ANNOUNCEMENT INFO.;　Advances in River Engineering, 13, 399-404
  AUTHOR;　Toshimitsu KOMATSU, Hideo OSHIKAWA, Kennichi TSUKAHARA
  
• A Fundamental Study to Prevent River Stoppages due to Driftwood;　2007/06
  ANNOUNCEMENT INFO.;　Advances in River Engineering, 13, 405-408
  AUTHOR;　Hideo OSHIKAWA, Naoki TERAO, Kazuo FUJITA, Toshimitsu KOMATSU
  
• WATER QUALITY PURIFICATION BY A POROUS CONCRETE BLOCK INCLUDING BACILLUS SUBTILIS NATTO GROUP;　2007/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 51, 1415-1420
  AUTHOR;　MATSUNAGA Nobuhiro, MASUDA Sousuke, NAKAMUTA Taishi, TOKUNAGA Takahisa, YANO Shinichiro, OSHIKAWA Hideo, HASHIMOTO Akihiro, FUJITA Kazuo, KOGA Masayuki, IWASHITA Toshiaki, HARADA Atsuhiko
  
• Capacity of Water Quality Purification by Eco Bio-Block (EBB) in a Closed Water System;　2006/10
  ANNOUNCEMENT INFO.;　Engineering Sciences Reports, Kyushu University, 28, 2, 247-253
  AUTHOR;　Nobuhiro MATSUNAGA, Sousuke MASUDA, Takahisa TOKUNAGA, Shinichiro YANO, Hideo OSHIKAWA, Kazuo FUJITA, Masayuki KOGA, Toshiaki IWASHITA, Atsuhiko HARADA
  
• Control of Substance Transport near the Sea Bottom Using Submerged Asymmetrical Structures;　2006/10
  ANNOUNCEMENT INFO.;　ANNUAL JOURNAL OF COASTAL ENGINEERING, JSCE, 53, 2, 746-750
  AUTHOR;　H. Oshikawa, Y. Kunisawa, S. Okita, H. Yoshida, H. Yamauchi, Y. Kuroda, K. Fujita, T. Komatsu
  
• An Experimental Study on a Countermeasure against Shoaling of Fairways using Plural Submerged Asymmetrical Structures;　2006/10
  ANNOUNCEMENT INFO.;　Proceedings of Techno-Ocean 2006 / 19th JASNAOE Ocean Engineering Symposium, 19, 28, 6p.
  AUTHOR;　Hideo Oshikawa, Yoshinori Kunisawa, Hideki Yoshida, Toshimitsu Komatsu
  
• Field Tests of the BaNK System in an Artificial Pocket Beach;　2006/08
  ANNOUNCEMENT INFO.;　Water for Life, Development and Management, 2, 787-793
  AUTHOR;　Hideo Oshikawa and Toshimitsu Komatsu
  
• Control of Transformation in an Artificial Semi-enclosed Beach;　2006/07
  ANNOUNCEMENT INFO.;　Annual Journal of Civil Engineering in the Ocean, JSCE, 22, 905-910
  AUTHOR;　OSHIKAWA Hideo; HARI Shinichiro; ISERI Yasushi; HORITA Takahiro; KOMATSU Toshimitsu
  
• NUMERICAL SIMULATIONS OF OSCILLATORY FLOWS AROUND SUBMERGED ASYMMETRICAL STRUCTURES;　2006/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 50, 817-822
  AUTHOR;　OSHIKAWA Hideo; KOMATSU Toshimitsu
  
• CHARACTERISTICS OF WAVE-INDUCED RESIDUAL CURRENTS IN THE ONE-WAY PIPE;　2006/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 50, 1435-1440
  AUTHOR;　KAWANO Tatsuru; HATTA Mukhsan Putra; FUJITA Kazuo; MATSUDA Jyosui; OSHIKAWA Hideo; KOMATSU Toshimitsu
  
• A FUNDAMENTAL STUDY ON WATER QUALITY PURIFICATION BY ECOBIO-BLOCK;　2006/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 50, 1081-1086
  AUTHOR;　MATSUNAGA Nobuhiro; TOKUNAGA Takahisa; MASUDA Sousuke; YANO Shinichiro; OSHIKAWA Hideo; FUJITA Kazuo; KOGA Masayuki; IWASHITA Toshiaki; HARADA Atsuhiko
  
• Fundamental Study on the Countermeasure against Shoaling of Fairway Using Submerged Asymmetrical Structures;　2005/10
  ANNOUNCEMENT INFO.;　ANNUAL JOURNAL OF COASTAL ENGINEERING, JSCE, 52, 1, 486-490
  AUTHOR;　H. Oshikawa, Y. Kunisawa, H. Yoshida, H. Tanigawa, Y. Kuroda, K. Fujita, T. Komatsu
  
• Numerical Simulation of Oscillatory Flow around Submerged Asymmetrical Structures;　2005/09
  ANNOUNCEMENT INFO.;　Proceedings of 2005 Annual Meeting, 24, AM05-09-002, 6p.
  AUTHOR;　OSHIKAWA Hideo, KOMATSU Toshimitsu
  
• FIELD TESTS OF BaNK SYSTEM IN JIGYO BEACH;　2005/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 49, 2, 1309-1314
  AUTHOR;　OSHIKAWA Hideo; HARI Shinichiro; GUG Seung-Gi; KOMATSU Toshimitsu
  
• SEASONAL BEHAVIOR ON TIDAL CURRENT BY USING IN SITU MEASUREMENT DATA IN THE MINAMATA BAY;　2005/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 49, 2, 1285-1290
  AUTHOR;　TADA Akihide; YANASE Natsuki; YANO Shinichiro; NAKAMURA Takehiro; OSHIKAWA Hideo; AKAGI Hirokatsu
  
• Control of substance transport due to plural submerged asymmetrical roughness in wave fields;　2005/01
  ANNOUNCEMENT INFO.;　Environmental Hydraulics and Sustainable Water Management, 1, 1017-1022
  AUTHOR;　H. Oshikawa, T. Komatsu, M. Hashida
  
• A Large-Scale In-Situ Measurement of Current and Stratification in the Northern Ariake Sea;　2004/10
  ANNOUNCEMENT INFO.;　ANNUAL JOURNAL OF COASTAL ENGINEERING, JSCE, 51, 1, 341-345
  AUTHOR;　T. Komatsu; S. Yano; N. Matsunaga; K. Uzaki; T. Tokunaga; H. Oshikawa; K. Hamada; A. Hashimoto; M. Takeda; K. Asai; K. Ohgushi; A. Tada; S. Nishida; T. Chiba; T. Nakamura; H. Tsutsumi; H. Nishinokubi
  
• Resistance Properties of a Submerged Asymmetrical Roughness;　2004/10
  ANNOUNCEMENT INFO.;　ANNUAL JOURNAL OF COASTAL ENGINEERING, JSCE, 51, 1, 671-675
  AUTHOR;　H. Oshikawa; Y. Kunisawa; S. Gug; T. Komatsu
  
• Field Observation of Mercury Transport in Minamata Bay;　2004/10
  ANNOUNCEMENT INFO.;　ANNUAL JOURNAL OF COASTAL ENGINEERING, JSCE, 51, 2, 1216-1220
  AUTHOR;　S. Yano; A. Tada; A. Matsuyama; H. Oshikawa; T. Tomiyasu; H. Akagi; T. Nakamura; R. Rajar; M. Horvat
  
• The first trial of in situ measurement of mercury transport by using oceanographic method in the Minamata Bay;　2004/06
  ANNOUNCEMENT INFO.;　RMZ – Materials and Geoenvironment, Mercury as a Global Pollutant, 51, 2, 1453-1456
  AUTHOR;　Shinichiro Yano, Akihide Tada, Hideo Oshikawa, Takehiro Nakamura, Hirokatsu Akagi, Akito Matsuyama, Takashi Tomiyasu, Rudi Rajar, Milena Horvat
  
• Improvement of in situ measurement of mercury transport in the Minamata Bay;　2004/06
  ANNOUNCEMENT INFO.;　RMZ – Materials and Geoenvironment, Mercury as a Global Pollutant, 51, 2, 1399-1402
  AUTHOR;　Akihide Tada, Shinichiro Yano, Hideo Oshikawa, Takehiro Nakamura, Hirokatsu Akagi, Akito Matsuyama, Takashi Tomiyasu, Rudi Rajar, Milena Horvat
  
• Measurements and three-dimensional modelling of mercury cycling in Minamata Bay and in the Gulf of Trieste;　2004/06
  ANNOUNCEMENT INFO.;　RMZ – Materials and Geoenvironment, Mercury as a Global Pollutant, 51, 2, 1328-1331
  AUTHOR;　Rudi Rajar, Shinichiro Yano, Akihide Tada, Hirokatsu Akagi, Hideo Oshikawa, Dusan Zagar, Matjaz Cetina, Mario Krzyk, Matej Brecelj
  
• CHARACTERISTICS OF WAVE-INDUCED RESIDUAL CURRENTS DUE TO PLURAL SUBMERGED ASYMMETRICAL ROUGHNESS;　2004/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 48, 2, 1255-1260
  AUTHOR;　OSHIKAWA Hideo, SHIBATA Tetsuro, KOMATSU Toshimitsu
  
• Field Observation of Sediment Transport in Minamata Bay;　2003/10
  ANNOUNCEMENT INFO.;　PROCEEDINGS OF COASTAL ENGINEERING, JSCE, 50, 2, 1006-1010
  AUTHOR;　S. Yano, A. Tada, H. Oshikawa, T. Nakamura, H. Akagi, A. Matsuyama, T. Tomiyasu, R. Rajar, M. Horvat
  
• An Experimental Study on Resistance Properties of an Asymmetrical Bottom Roughness in Oscillatory Flows;　2003/08
  ANNOUNCEMENT INFO.;　XXX IAHR Congress Proceedings, THEME A, 611-618
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU, Tetsuro SHIBATA
  
• AN EXPERIMENTAL STUDY ON DIRECTIONAL RESISTANCE PROPERTIES OF A SUBMERGED ASYMMETRICAL ROUGHNESS;　2003/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 47, 805-810
  AUTHOR;　OSHIKAWA Hideo, KOMATSU Toshimitsu, SHIBATA Tetsuro, FUKATA Takenori
  
• STUDY ON EFFECTS OF BaNK SYSTEM ON CONTROL OF SEDIMENT TRANSPORT;　2002/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 46, 457-462
  AUTHOR;　KOMATSU Toshimitsu, SHIBATA Takuya, OSHIKAWA Hideo, SHIBATA Tetsuro, ADACHI Takahiro, KOHASHI Naoko, HASHIDA Misao
  
• STUDY ON A WATER RESTORATION BY USING THE POND METHOD -CASE STUDY ON KARATSU PORT-;　2000/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 44, 951-956
  AUTHOR;　OSHIKAWA Hideo, KOMATSU Toshimitsu, MAKINO Taketo
  
• An Experimental Study on Spatial Characteristics of Turbulence with Neutrally Suspended Particles;　1999/08
  ANNOUNCEMENT INFO.;　Proc. of 28th Congress of the IAHR, 28, 8p.
  AUTHOR;　T. Komatsu, H. Oshikawa, M. Takeuchi
  
• SPATIAL CHARACTERISTICS OF TURBULENCE WITH NEUTRALLY SUSPENDED PARTICLES;　1999/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 43, 395-400
  AUTHOR;　KOMATSU Toshimitsu, OSHIKAWA Hideo, TAKEUCHI Mirei
  
• Improvement of Depth-Averaged Model for High Accurate Prediction of Sedimentation;　1998/09
  ANNOUNCEMENT INFO.;　Proc. of 11th Congress of the IAHR-APD, 2, 669-678
  AUTHOR;　Toshimitsu Komatsu，Hideo Oshikawa, Shinichiro Yano
  
• DEPTH-AVERAGED MODEL OF DIFFUSION AND DEPOSITION OF SETTLING PARTICLES WITH CONSIDERATION FOR TRANSITION OF VERTICAL PROFILE;　1998/02
  ANNOUNCEMENT INFO.;　Annual Journal of Hydraulic Engineering, JSCE, 42, 1063-1068
  AUTHOR;　KOMATSU Toshimitsu, OSHIKAWA Hideo, YANO Shinichiro
  
• Improvement of Depth-averaged Model for Highly Accurate Prediction of Diffusion and Deposition of Settling Particles;　1997/11
  ANNOUNCEMENT INFO.;　PROCEEDINGS OF COASTAL ENGINEERING, JSCE, 44, 2, 1026-1030
  AUTHOR;　T. Komatsu, H. Oshikawa, S. Yano, T. Yamasaki
  

Material, Commentary, Editorials, Research Report, A Comprehensive Journal Articles

• Development of Control System on Sedimentation Transport by Using Wave Energy;　2013/03
  ANNOUNCEMENT INFO.;　Institutional Program for Young Researcher Overseas Visits, Promotion Program for International Research Associates and Graduate Students on Clean Energy Systems, 197-200
  AUTHOR;　Hideo Oshikawa
  

General Lectures

• Investigation of River Level Prediction by Deep Learning Using Areal Precipitation;　2024/09
  ANNOUNCEMENT INFO.;　Japan Society of Civil Engineers 2024 Annual Meeting, Ⅱ-16
  AUTHOR;　Akira Kawatsu, Akihiro Hashimoto, Akira Tai, Tomonori Saita, Hideo Oshikawa
  
• Hazard Analysis of driving and housing in Hitoyoshi city during the torrential rainfall in July 2020;　2023/09
  ANNOUNCEMENT INFO.;　Japan Society of Civil Engineers 2023 Annual Meeting, Ⅱ-46
  AUTHOR;　Riko Yamamoto, Akira Tai, Hideo Oshikawa, Akihiro Hashimoto, Tomonori Saita
  
• Improvement of the Flood Control Capability by the Shimouke Dam in the Upper Chikugo River Basin;　2022/11
  ANNOUNCEMENT INFO.;　The 67th Conference on Hydraulic Engineering
  AUTHOR;　Hideo Oshikawa, Haruto Katayama and Toshimitsu Komatsu
  
• Tides Measurements and Dominant Tidal Constituents Analysis of Palu Bay;　2022/08
  ANNOUNCEMENT INFO.;　International Conference on Science in Engineering and Technology, Sustainable Environment and Architecture (ICoSiET SENVAR 2022)
  AUTHOR;　Andi Rusdin, Hideo Oshikawa
  
• Analysis of Resuspension Phenomenon Using Coupled Wave, Current and Sediment Transport Model in the Ariake Sea;　2022/07
  ANNOUNCEMENT INFO.;　39th IAHR World Congress, 39
  AUTHOR;　Akira Tai, Simon Neill, Matthew Lewis, Hideo Oshikawa
  
• Inter-annual variation in tidal current and its relationship between dissolved oxygen concentration in bottom layer in the Isahaya Bay, Ariake Sea;　2022/05
  ANNOUNCEMENT INFO.;　JpGU 2022
  AUTHOR;　Yuichi Hayami, Hideo Oshikawa, Akira Tai
  
• Study on the Inundation Damage and Flood Control Adaptation for the Heavy Rain in August 2019 and a Future heavy Rain in the Kase River Basin;　2021/12
  ANNOUNCEMENT INFO.;　The 66th Conference on Hydraulic Engineering
  AUTHOR;　Konan Sakamoto, Hideo Oshikawa, Taiga Nagamizo, Akira Tai and Toshimitsu Komatsu
  
• Variations of Reynolds Stress Depending on Coordinate Axis in Wave-Current Coexisting Fields;　2021/12
  ANNOUNCEMENT INFO.;　The 66th Conference on Hydraulic Engineering
  AUTHOR;　Hiroaki Tanaka, Hideo Oshikawa, Akira Tai and Yuichi Hayami
  
• On Increasing Heavy Precipitation Disaster Risks in Kyushu Region and the Measures;　2021/12
  ANNOUNCEMENT INFO.;　The 66th Conference on Hydraulic Engineering
  AUTHOR;　Toshimitsu Komatsu, Akihiro Hashimoto, Hideo Oshikawa
  
• Optimization of Flood Control in Upstream of Chikugo River by Shimouke Dam for Heavy Rain in July 2020;　2021/09
  ANNOUNCEMENT INFO.;　Japan Society of Civil Engineers 2021 Annual Meeting, Ⅱ-11
  AUTHOR;　Haruto Katayama, Hideo Oshikawa
  
• Optimization of New Flood Control Method Using Multiple Dry Dams Constructed in a Series;　2020/11
  ANNOUNCEMENT INFO.;　The 65th Conference on Hydraulic Engineering
  AUTHOR;　Hideo Oshikawa, Takaaki Sugibayashi, Konan Sakamoto, Toshimitsu Komatsu
  
• A Study on the Flood Control Measures by Existing Dams in the Kase River Basin in Consideration of Global Warming;　2020/09
  ANNOUNCEMENT INFO.;　22nd IAHR-APD Congress 2020
  AUTHOR;　Konan Sakamoto, Hideo Oshikawa, Akira Tai, Akihiro Hashimoto and Toshimitsu Komatsu
  
• Study on the Behavior of Suspended Solids in the Neritic Region in an Inner Bay;　2020/09
  ANNOUNCEMENT INFO.;　22nd IAHR-APD Congress 2020
  AUTHOR;　Hiroaki Tanaka, Hideo Oshikawa, Akira Tai and Yuichi Hayami
  
• Study on the Recent Natural Disaster Damage Cost in Saga Prefecture;　2020/09
  ANNOUNCEMENT INFO.;　Japan Society of Civil Engineers 2020 Annual Meeting, Ⅱ-67
  AUTHOR;　Ryo Nakano, Hideo Oshikawa
  
• Prediction of Future Rainfall Variations in the Kyushu Island Based on Large Ensemble Experiments;　2019/11
  ANNOUNCEMENT INFO.;　The 64th Conference on Hydraulic Engineering
  AUTHOR;　Akira Tai, Tatsuya Oku, Akihiro Hashimoto, Hideo Oshikawa, Yuji Sugihara, Nobuhiro Matsunaga and Toshimitsu Komatsu
  
• Study on the Future Flood Control Adaptation by Dams in the Kase River;　2019/11
  ANNOUNCEMENT INFO.;　The 64th Conference on Hydraulic Engineering
  AUTHOR;　Hideo Oshikawa, Konan Sakamoto, Ryusei Baba, Akira Tai, Akihiro Hashimoto, Toshimitsu Komatsu
  
• A Simple Mathematical Model for Flood Control by a Dry Dam;　2019/09
  ANNOUNCEMENT INFO.;　The International Conference on Sustainable Engineering Practice (IConSEP 2019)
  AUTHOR;　Hideo Oshikawa
  
• Study on the Flood Control Adaptation by Dams for the Future Heavy Precipitation in the Kase River Basin;　2019/09
  ANNOUNCEMENT INFO.;　Japan Society of Civil Engineers 2019 Annual Meeting, Ⅱ-43
  AUTHOR;　Konan Sakamoto, Hideo Oshikawa, Akira Tai, Toshimitsu Komatsu
  
• A Study on the Application of Cascade Type Flood Control to the Chikugo River;　2019/09
  ANNOUNCEMENT INFO.;　38th IAHR World Congress
  AUTHOR;　Hideo Oshikawa, Yuki Ohta, Konan Sakamoto, Shingo Maruta, Akira Tai, Toshimitsu Komatsu
  
• Characteristics of the 2017 Flood Disaster in Northern Kyushu and Learned Lessons;　2018/11
  ANNOUNCEMENT INFO.;　The 63rd Conference on Hydraulic Engineering
  AUTHOR;　Akihiro HASHIMOTO, Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• RISK TO A VEHICLE IN A FLOOD IN CONSIDERATION OF FLOW DIRECTION;　2018/09
  ANNOUNCEMENT INFO.;　21st IAHR-APD Congress
  AUTHOR;　HIDEO OSHIKAWA, TAKASHI OSHIMA, AKIHIRO HASHIMOTO, KOICHIRO OHGUSHI and TOSHIMITSU KOMATSU
  
• Study on the Risk for Automobile Traffic in a Flood Situation Depending on Flow Direction;　2018/03
  ANNOUNCEMENT INFO.;　The 62nd Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Takashi OSHIMA, Akihiro HASHIMOTO, Koichiro Ohgushi, Toshimitsu KOMATSU
  
• Application of Cascade Type Flood Control Using Dry Dams to Kase River;　2017/09
  ANNOUNCEMENT INFO.;　Japan Society of Civil Engineers 2017 Annual Meeting, 72, pp.85-86
  AUTHOR;　Hideo OSHIKAWA, Shiro KOYANAGI, Koichiro OHGUSHI, Toshimitsu KOMATSU
  
• Simple Analytical Method of Flood Control by a Dry Dam;　2017/03
  ANNOUNCEMENT INFO.;　The 61st Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Koichiro Ohgushi, Yuji SUGIHARA, Toshimitsu KOMATSU
  
• Effect of current and wave on sediment transport in inner bay;　2016/09
  ANNOUNCEMENT INFO.;　Annual Meeting of Japan Society of Fluid Mechanics
  AUTHOR;　Ryoma Yoshitake, Hideo Oshikawa, Akira Tai, Yuichi Hayami
  
• Behavior of Suspended Solids in the Neritic Region of an Inner Bay;　2016/08
  ANNOUNCEMENT INFO.;　20th IAHR-APD Congress of the Asia Pacific Division of the International Association for Hydro Environment Engineering & Research
  AUTHOR;　Hideo Oshikawa, Ryoma Yoshitake, Akira Tai and Yuichi Hayami
  
• Numerical Analysis of Flow and Sediment Transport on the Traditional Water Management System in Ishiibi Water Diversion of Kase River, Japan;　2016/08
  ANNOUNCEMENT INFO.;　20th IAHR-APD Congress of the Asia Pacific Division of the International Association for Hydro Environment Engineering & Research, 20
  AUTHOR;　Koichiro Ohgushi, Hideo Oshikawa, Yosuke Tani and Masanao Kushibe
  
• A Quantitative Evaluation of the Effects of Wakatsu Port Training Levee on the Flow, Salinity and Sediment Transport in the Lower Reach of Chikugo River;　2016/03
  ANNOUNCEMENT INFO.;　The 60th Conference on Hydraulic Engineering
  AUTHOR;　Yuki KOGA, Koichiro OHGUSHI, Hideo OSHIKAWA
  
• Response Characteristics of Suspended Solids in Neritic Region in Inner Bay;　2016/03
  ANNOUNCEMENT INFO.;　The 60th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Ryoma YOSHITAKE, Akira TAI, Yuichi HAYAMI
  
• Flood Control under the Climate Change;　2016/02
  ANNOUNCEMENT INFO.;　Western Regional Division Report of Natural Disaster Research Council, 40, 1-4
  AUTHOR;　Tohimitsu KOMATSU, Hideo OSHIKAWA, Akihiro HASHIMOTO
  
• Research on adaptation measures for water-related and landslide disasters in Kyushu as a region of advancing subtropical climate;　2014/11
  ANNOUNCEMENT INFO.;　International Symposium on Global Warming -Adapting to a Changing Climate and Future Vision-, Poster Presentation
  AUTHOR;　
  
• Research on adaptation measures for water-related and landslide disasters in Kyushu as a region of advancing subtropical climate;　2014/11
  ANNOUNCEMENT INFO.;　International Symposium on Global Warming -Adapting to a Changing Climate and Future Vision-
  AUTHOR;　Hideo Oshikawa
  
• Study on the Risk Evaluation for a Vehicular Traffic in a Flood Situation;　2014/09
  ANNOUNCEMENT INFO.;　19th IAHR-APD Congress 2014
  AUTHOR;　Hideo Oshikawa and Toshimitsu Komatsu
  
• Awareness Survey to the Flood Disaster in Walennae Watershed of Indonesia;　2014/09
  ANNOUNCEMENT INFO.;　19th IAHR-APD Congress 2014
  AUTHOR;　Mukhsan Putra Hatta, Akira Tai, A. Bau Emil Salim, Akihiro Hashimoto, Hideo Oshikawa and Toshimitsu Komatsu
  
• Mechanism of Flood Control Capability of Multiple Dams Constructed in Series Based on Cascade Method;　2014/03
  ANNOUNCEMENT INFO.;　The 58th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• Flood Control Capability of Dry Dams Constructed in Series;　2013/09
  ANNOUNCEMENT INFO.;　35th IAHR World Congress, 35
  AUTHOR;　Hideo Oshikawa and Toshimitsu Komatsu
  
• An Experimental Study on the Cascade Type Flood Control Using Multiple Dry Dams;　2013/03
  ANNOUNCEMENT INFO.;　57th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Yuka Mito, Hideo Oshikawa, Toshimitsu Komatsu
  
• Study on the Flood Control Capability of Dry Dams Constructed in Series;　2013/03
  ANNOUNCEMENT INFO.;　57th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo Oshikawa, Yuka Mito, Toshimitsu Komatsu
  
• Quantitative Estimation of Residual Currents around Submerged Asymmetric Structures in Wave Fields;　2012/08
  ANNOUNCEMENT INFO.;　18th Congress of the Asia and Pacific Division of the International Association for Hydro-Environment Engineering and Research
  AUTHOR;　Hideo OSHIKAWA, Kohei MOTOMURA and Toshimitsu Komatsu
  
• Cascade Type Flood Control Using Plural Dams;　2012/06
  ANNOUNCEMENT INFO.;　International Symposium on Dams for a Changing World -80th Annual Meeting and 24th Congress of ICOLD
  AUTHOR;　H. Oshikawa and T. Komatsu
  
• Study on the Cascade Type Flood Control Using Dry Dams;　2012/03
  ANNOUNCEMENT INFO.;　56th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo Oshikawa, Toshimitsu Komatsu
  
• Quantitative Estimation on Flood Control Capability of a Dry Dam for a Hydraulic Bore;　2012/03
  ANNOUNCEMENT INFO.;　56th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo Oshikawa, Yuka Mito, Toshimitsu Komatsu
  
• Characteristics of Flood Disaster and Evacuation Activity of Residents in the Sumiyo River Basin in Amami Oshima Island, Japan on October 20, 2010;　2011/09
  ANNOUNCEMENT INFO.;　The 5th International Conference on Flood Management (ICFM5)
  AUTHOR;　A. Hashimoto, A. Tai, H. Oshikawa, T. Komatsu
  
• Study on the Flood Control Ability of Dry Dams;　2011/07
  ANNOUNCEMENT INFO.;　River Engineering Symposium in 2011
  AUTHOR;　Hideo OSHIKAWA, Yuka MITO, Toshimitsu KOMATSU
  
• Investigation of Flood Disaster and Evacuation Activity of Residents in the Sumiyo River Basin in Amami Oshima Island on October 20, 2010;　2011/07
  ANNOUNCEMENT INFO.;　River Engineering Symposium in 2011
  AUTHOR;　Akira TAI, Akihiro, HASHIMOTO, Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• Study on the Risk for Vehicular Traffic in a Flood Situation;　2011/07
  ANNOUNCEMENT INFO.;　River Engineering Symposium in 2011
  AUTHOR;　Hideo OSHIKAWA, Takashi OSHIMA, Toshimitsu KOMATSU
  
• Quantitative Estimation of Residual Currents around Plural Submerged Asymmetrical Structures in Wave Fields;　2011/06
  ANNOUNCEMENT INFO.;　36th Conference on Ocean Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Kohei MOTOMURA and Toshimitsu KOMATSU
  
• Sediment Transport in the Sanrimatsubara Coast;　2011/06
  ANNOUNCEMENT INFO.;　36th Conference on Ocean Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Kouichi ISHIHARA, Haruyuki KOJIMA, Shuguang YAN and Toshimitsu KOMATSU
  
• Mound Formation by Slurry Jets on a Slope in a Water Pond;　2011/06
  ANNOUNCEMENT INFO.;　34th IAHR World Congress
  AUTHOR;　A. H. Azimi, J. Cai, N. Hall, H. Oshikawa, D. Z. Zhu and N. Rajaratnam
  
• Study on the Flood Control Ability of a Dry Dam Used as a Flood Retarding Basin in a River;　2011/03
  ANNOUNCEMENT INFO.;　55th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Tomohiko IMAMURA and Toshimitsu KOMATSU
  
• Characteristics of Residual Currents Produced by a Specific Pipe with Directional Resistance Properties in Oscillatory Flow Fields;　2010/03
  ANNOUNCEMENT INFO.;　54th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Rusdin ANDI, Akihiro HASHIMOTO and Toshimitsu KOMATSU
  
• An Experimental Study on the Wake Structure behind a Cylindrical Rotator with Asymmetry in a Unidirectional Flow;　2010/03
  ANNOUNCEMENT INFO.;　54th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Naoki TERAO and Toshimitsu KOMATSU
  
• Water Quality Purification by Porous Concrete Block Including Bacillus Subtilis Natto Group under Running Water Conditions;　2010/03
  ANNOUNCEMENT INFO.;　54th Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Akihiro HASHIMOTO, Masayoshi YAMAMOTO, Daijiro TSUTSUMI, Hideo OSHIKAWA, Nobuhiro MATSUNAGA, Toshimitsu KOMATSU, Masayuki KOGA, Toshiaki IWASHITA and Atsuhiko HARADA
  
• Characteristics of Flows around Submerged Asymmetrical Structures in Irregular Wave Fields;　2009/10
  ANNOUNCEMENT INFO.;　8th International Symposium on Marine Engineering
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• Flood Disasters Due to Recent Abnormal Rainfall and Preventive Measures in Japan;　2009/08
  ANNOUNCEMENT INFO.;　33RD IAHR Congress
  AUTHOR;　H. Oshikawa, A. Hashimoto, K. Tsukahara and T. Komatsu
  
• Residual Currents around Plural Submerged Asymmetrical Structures in Wave Fields;　2009/06
  ANNOUNCEMENT INFO.;　34th Conference on Ocean Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Nobuhiro TAKEDA, Kunio ISHINUKI, Hiroshi SOEDA, Yoshikuni NAKAMURA and Toshimitsu KOMATSU
  
• Study on Improvement in the Flood Control Ability of a Dry Dam;　2009/06
  ANNOUNCEMENT INFO.;　River Engineering Symposium in 2009
  AUTHOR;　Yasuhiro NAKASHIMA, Hideo OSHIKAWA and Toshimitsu KOMATSU
  
• Study on Future Countermeasures against Disasters in Sparsely Populated Areas which Floods Often Attack;　2009/03
  ANNOUNCEMENT INFO.;　53rd Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Hideo OSHIKAWA, Akihiro Hashimoto and Toshimitsu KOMATSU
  
• A Comparative Study on the Capacity of Water Quality Purification in Fresh and Sea Water by a Porous Concrete Block Including Bacillus Subtilis Natto Group;　2009/03
  ANNOUNCEMENT INFO.;　The 53rd Conference on Hydraulic Engineering, JSCE
  AUTHOR;　Nobuhiro MATSUNAGA, Kazuyuki MURASHIMA, Hongyuan LI, Toshimitsu KOMATSU, Akihiro HASHIMOTO, Hideo OSHIKAWA, Masayuki KOGA, Toshiaki IWASHITA
  
• Control of Substance Transport Using Submerged Asymmetrical Structures in Wave Fields;　2008/10
  ANNOUNCEMENT INFO.;　The 16th Congress of Asia and Pacific Division of International Association of Hydraulic Engineering and Research and 3rd IAHR International Symposium on Hydraulic Structures
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• Residual Currents around Asymmetrical Pipes in Oscillatory Flow Fields;　2008/09
  ANNOUNCEMENT INFO.;　The 8th International Conference on Hydro-Science and Engineering
  AUTHOR;　Rusdin ANDI, Hideo OSHIKAWA, Akihiro HASHIMOTO, Toshimitsu KOMATSU
  
• Residual Currents Produced by Plural Submerged Asymmetrical Structures in Wave-Current Coexisting Fields;　2008/09
  ANNOUNCEMENT INFO.;　The 8th International Conference on Hydro-Science and Engineering
  AUTHOR;　Hideo OSHIKAWA, Nobuhiro TAKEDA, Toshimitsu KOMATSU
  
• Residual Currents around Plural Asymmetrical Structures in Oscillatory Flow Fields;　2008/07
  ANNOUNCEMENT INFO.;　Fifth International Conference on Computational Fluid Dynamics
  AUTHOR;　Rusdin Andi, Hideo Oshikawa, Akihiro Hashimoto, Toshimitsu Komatsu
  
• An Outline of the Flood Disasters in the Sendai River in July 2006 and the Review of Flood Control by Dam Operation;　2008/03
  ANNOUNCEMENT INFO.;　The 52nd Conference on Hydraulic Engineering
  AUTHOR;　Toshimitsu KOMATSU, Satoru SUGIO, Makoto HIKIDA, Terunori OHMOTO, Hideo OSHIKAWA, Akihiro HASHIMOTO
  
• Water Quality Purification by the Symbiosis of Useful Microbial Group in the Porous Concrete Block and Denitrifying Bacteria in Soil;　2008/03
  ANNOUNCEMENT INFO.;　The 52nd Conference on Hydraulic Engineering
  AUTHOR;　Nobuhiro MATSUNAGA, Sousuke MASUDA, Taishi NAKAMUTA, Takahisa TOKUNAGA, Shinichiro YANO, Hideo OSHIKAWA, Akihiro HASHIMOTO, Kazuo FUJITA, Masayuki KOGA, Toshiaki IWASHITA, Atsuhiko HARADA
  
• A Flow around Submerged Asymmetrical Structures in an Irregular Wave Field;　2008/03
  ANNOUNCEMENT INFO.;　The 52nd Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Nobuhiro TAKEDA, Hideki YOSHIDA, Katsumi TANAKA, Masashi OHATA, Rusdin ANDI, Toshimitsu KOMATSU
  
• Characteristics of Residual Currents due to Asymmetrical Pipes;　2008/03
  ANNOUNCEMENT INFO.;　JSCE Annual West Brach Meeting in 2008, pp.205～206
  AUTHOR;　Rusdin ANDI, Hideo OSHIKAWA, Akihiro HASHIMOTO, Tomoya MATSUSHITA, Toshimitsu KOMATSU
  
• Numerical Simulations of Oscillatory Flows around a Submerged Asymmetrical Structure;　2007/12
  ANNOUNCEMENT INFO.;　5th International Symposium on Earth Science and Technology
  AUTHOR;　Rusdin ANDI, Hideo OSHIKAWA, Akihiro HASHIMOTO, Toshimitsu KOMATSU
  
• Characteristics of Oscillatory Flows around a Submerged Asymmetrical Structure;　2007/07
  ANNOUNCEMENT INFO.;　32nd Congress of IAHR
  AUTHOR;　H. Oshikawa, T. Komatsu
  
• A Flow around a Submerged Asymmetrical Structure in a Wave Field;　2007/07
  ANNOUNCEMENT INFO.;　The 32nd Conference on Civil Engineering in the Ocean, JSCE
  AUTHOR;　Hideo OSHIKAWA, Yoshinori KUNISAWA, Hideki YOSHIDA, Kazuo FUJITA, Toshimitsu KOMATSU
  
• Characteristics of Residual Currents Produced by Plural Submerged Asymmetrical Structures in Wave-current Coexisting Fields;　2007/07
  ANNOUNCEMENT INFO.;　The 32nd Conference on Civil Engineering in the Ocean, JSCE
  AUTHOR;　Hideo OSHIKAWA, Nobuhiro TAKEDA, Hideki YOSHIDA, Katsumi TANAKA, Masashi OHATA, Toshimitsu KOMATSU
  
• River Stoppages in the Mimi River by Earth and Sand, Driftwood at the Typhoon 0514 and Preventive Measures;　2007/06
  ANNOUNCEMENT INFO.;　River Engineering Symposium in 2007
  AUTHOR;　Toshimitsu KOMATSU, Hideo OSHIKAWA, Kennichi TSUKAHARA
  
• A Fundamental Study to Prevent River Stoppages due to Driftwood;　2007/06
  ANNOUNCEMENT INFO.;　River Engineering Symposium in 2007
  AUTHOR;　Hideo OSHIKAWA, Naoki TERAO, Kazuo FUJITA, Toshimitsu KOMATSU
  
• Water Quality Purification by a Porous Concrete Block Including Bacillus Subtilis Natto Group;　2007/03
  ANNOUNCEMENT INFO.;　The 51st Conference on Hydraulic Engineering
  AUTHOR;　Nobuhiro MATSUNAGA, Sousuke MASUDA, Taishi NAKAMUTA, Takahisa TOKUNAGA, Shinichiro YANO, Hideo OSHIKAWA, Akihiro HASHIMOTO, Kazuo FUJITA, Masayuki KOGA, Toshiaki IWASHITA, Atsuhiko HARADA
  
• Control of Substance Transport near the Sea Bottom Using Submerged Asymmetrical Structures;　2006/11
  ANNOUNCEMENT INFO.;　The 53rd Conference on Coastal Engineering
  AUTHOR;　H. Oshikawa, Y. Kunisawa, S. Okita, H. Yoshida, H. Yamauchi, Y. Kuroda, K. Fujita, T. Komatsu
  
• On the Flood Disaster in Kyushu Area by Typhoon 0514;　2006/10
  ANNOUNCEMENT INFO.;　Construction industry, Academia, Government Cooperation forum 2006 in Fukuoka
  AUTHOR;　Hideo OSHIKAWA
  
• An Experimental Study on a Countermeasure against Shoaling of Fairways using Plural Submerged Asymmetrical Structures;　2006/10
  ANNOUNCEMENT INFO.;　Techno-Ocean 2006 / 19th JASNAOE Ocean Engineering Symposium
  AUTHOR;　Hideo Oshikawa, Yoshinori Kunisawa, Hideki Yoshida, Toshimitsu Komatsu
  
• Field Tests of the BaNK System in an Artificial Pocket Beach;　2006/08
  ANNOUNCEMENT INFO.;　15th Congress of Asia and Pacific Division of the International Association of Hydraulic Engineering and Research, and International Symposium on “Maritime Hydraulics”
  AUTHOR;　H. Oshikawa, T. Komatsu
  
• Control of Transformation in an Artificial Semi-enclosed Beach;　2006/07
  ANNOUNCEMENT INFO.;　The 31st Conference on Civil Engineering in the Ocean, JSCE
  AUTHOR;　Hideo Oshikawa, Shinichiro Hari, Yasushi Iseri, Takahiro Horita, Toshimitsu KOMATSU
  
• Numerical Simulations of Oscillatory Flows around Submerged Asymmetrical Structures;　2006/03
  ANNOUNCEMENT INFO.;　The 50th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• A Fundamental Study on Water Quality Purification by Ecobio-Block;　2006/03
  ANNOUNCEMENT INFO.;　The 50th Conference on Hydraulic Engineering
  AUTHOR;　Nobuhiro MATSUNAGA, Takahisa TOKUNAGA, Sousuke MASUDA, Shinichiro YANO, Hideo OSHIKAWA, Kazuo FUJITA, Masayuki KOGA, Toshiaki IWASHITA, Atsuhiko HARADA
  
• Characteristics of Wave-induced Residual Currents in the One-way Pipe;　2006/03
  ANNOUNCEMENT INFO.;　The 50th Conference on Hydraulic Engineering
  AUTHOR;　Tatsuru KAWANO, Mukhsan Putra HATTA, Kazuo FUJITA, Jyosui MATSUDA, Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• Fundamental Study on the Countermeasure against Shoaling of Fairway Using Submerged Asymmetrical Structures;　2005/11
  ANNOUNCEMENT INFO.;　The 52nd Conference on Coastal Engineering
  AUTHOR;　H. Oshikawa, Y. Kunisawa, H. Yoshida, H. Tanigawa, Y. Kuroda, K. Fujita, T. Komatsu
  
• Countermeasure against Shoaling of Fairway Using Asymmetric Structures;　2005/10
  ANNOUNCEMENT INFO.;　Construction industry, Academia, Government Cooperation forum 2005 in Fukuoka
  AUTHOR;　H. Oshikawa, T. Komatsu, Y. Kunisawa, K. Fujita, H. Yoshida, H. Yamauchi, Y. Kuroda
  
• Numerical Simulation of Oscillatory Flow around Submerged Asymmetrical Structures;　2005/09
  ANNOUNCEMENT INFO.;　2005 Annual Meeting, Japan Society of Fluid Mechanics
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• SEASONAL BEHAVIOR ON TIDAL CURRENT BY USING IN SITU MEASUREMENT DATA IN THE MINAMATA BAY;　2005/03
  ANNOUNCEMENT INFO.;　The 49th Conference on Hydraulic Engineering
  AUTHOR;　Akihide TADA, Natsuki YANASE, Shinichiro YANO, Takehiro NAKAMURA, Hideo OSHIKAWA, Hirokatsu AKAGI
  
• Field Tests of BaNK System in Jigyo Beach;　2005/03
  ANNOUNCEMENT INFO.;　The 49th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Shinichiro HARI, Seung-Gi GUG, Toshimitsu KOMATSU
  
• Control of substance transport due to plural submerged asymmetrical roughness in wave fields;　2004/12
  ANNOUNCEMENT INFO.;　4th International Symposium on Environmental Hydraulics and 14th Congress of Asia and Pacific Division, International Association of Hydraulic Engineering and Research
  AUTHOR;　H. Oshikawa, T. Komatsu, M. Hashida
  
• A Large-Scale In-Situ Measurement of Current and Stratification in the Northern Ariake Sea;　2004/11
  ANNOUNCEMENT INFO.;　The 51st Conference on Coastal Engineering
  AUTHOR;　T. Komatsu, S. Yano, N. Matsunaga, K. Uzaki, T. Tokunaga, H. Oshikawa, K. Hamada, A. Hashimoto, M. Takeda, K. Asai, K. Ohgushi, A. Tada, S. Nishida, T. Chiba, T. Nakamura, H. Tsutsumi, H. Nishinokubi
  
• Resistance Properties of a Submerged Asymmetrical Roughness;　2004/11
  ANNOUNCEMENT INFO.;　The 51st Conference on Coastal Engineering
  AUTHOR;　H. Oshikawa, Y. Kunisawa, S. Gug, T. Komatsu
  
• Field Observation of Mercury Transport in Minamata Bay;　2004/11
  ANNOUNCEMENT INFO.;　The 51st Conference on Coastal Engineering
  AUTHOR;　S. Yano, A. Tada, A. Matsuyama, H. Oshikawa, T. Tomiyasu, H. Akagi, T. Nakamura, R. Rajar, M. Horvat
  
• Development of Countermeasures against Coastal Erosion and Shoaling of Fairways Using Wave Energy;　2004/10
  ANNOUNCEMENT INFO.;　Construction industry, Academia, Government Cooperation forum 2004 in Kitakyushu
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU
  
• The first trial of in situ measurement of mercury transport by using oceanographic method in the Minamata Bay;　2004/06
  ANNOUNCEMENT INFO.;　7th International Conference on Mercury as a Global Pollutant
  AUTHOR;　Shinichiro Yano, Akihide Tada, Hideo Oshikawa, Takehiro Nakamura, Hirokatsu Akagi, Akito Matsuyama, Takashi Tomiyasu, Rudi Rajar, Milena Horvat
  
• Improvement of in situ measurement of mercury transport in the Minamata Bay;　2004/06
  ANNOUNCEMENT INFO.;　7th International Conference on Mercury as a Global Pollutant
  AUTHOR;　Akihide Tada, Shinichiro Yano, Hideo Oshikawa, Takehiro Nakamura, Hirokatsu Akagi, Akito Matsuyama, Takashi Tomiyasu, Rudi Rajar, Milena Horvat
  
• Measurements and three-dimensional modelling of mercury cycling in Minamata Bay and in the Gulf of Trieste;　2004/06
  ANNOUNCEMENT INFO.;　7th International Conference on Mercury as a Global Pollutant
  AUTHOR;　Rudi Rajar, Shinichiro Yano, Akihide Tada, Hirokatsu Akagi, Hideo Oshikawa, Dusan Zagar, Matjaz Cetina, Mario Krzyk, Matej Brecelj
  
• Characteristics of Wave-Induced Residual Currents Due to Plural Submerged Asymmetrical Roughness;　2004/03
  ANNOUNCEMENT INFO.;　The 48th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Tetsuro SHIBATA, Toshimitsu KOMATSU
  
• Field Observation of Sediment Transport in Minamata Bay;　2003/10
  ANNOUNCEMENT INFO.;　The 50th Conference on Coastal Engineering
  AUTHOR;　S. Yano, A. Tada, H. Oshikawa, T. Nakamura, H. Akagi, A. Matsuyama, T. Tomiyasu, R. Rajar, M. Horvat
  
• An Experimental Study on Resistance Properties of an Asymmetrical Bottom Roughness in Oscillatory Flows;　2003/08
  ANNOUNCEMENT INFO.;　XXX IAHR Congress
  AUTHOR;　Oshikawa H., Komatsu T., Shibata T
  
• An Experimental Study on Directional Resistance Properties of a Submerged Asymmetrical Roughness;　2003/03
  ANNOUNCEMENT INFO.;　The 47th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU, Tetsuro SHIBATA, Takenori FUKATA
  
• Study on Effects of Bank System on Control of Sediment Transport;　2002/03
  ANNOUNCEMENT INFO.;　The 46th Conference on Hydraulic Engineering
  AUTHOR;　Toshimitsu KOMATSU, Takuya SHIBATA, Hideo OSHIKAWA, Tetsuro SHIBATA, Takahiro ADACHI, Naoko KOHASHI, Misao HASHIDA
  
• Study on a Water Restoration by Using the Pond Method –Case Study on Karatsu Port–;　2000/03
  ANNOUNCEMENT INFO.;　The 44th Conference on Hydraulic Engineering
  AUTHOR;　Hideo OSHIKAWA, Toshimitsu KOMATSU, Taketo MAKINO
  
• An Experimental Study on Spatial Characteristics of Turbulence with Neutrally Suspended Particles;　1999/08
  ANNOUNCEMENT INFO.;　28th Congress of The IAHR
  AUTHOR;　T. Komatsu，H. Oshikawa，M. Takeuchi
  
• Spatial Characteristics of Turbulence with Neutrally Suspended Particles;　1999/03
  ANNOUNCEMENT INFO.;　The 43rd Conference on Hydraulic Engineering
  AUTHOR;　Toshimitsu KOMATSU, Hideo OSHIKAWA, Mirei Takeuchi
  
• Improvement of Depth-Averaged Model for High Accurate Prediction of Sedimentation;　1998/09
  ANNOUNCEMENT INFO.;　11th Congress of The IAHR-APD
  AUTHOR;　Toshimitsu Komatsu，Hideo Oshikawa，Shinichiro Yano
  
• Depth-Averaged Model of Diffusion and Deposition of Settling Particles with Consideration for Transition of Vertical Profile;　1998/04
  ANNOUNCEMENT INFO.;　
  AUTHOR;　Toshimitsu KOMATSU, Hideo OSHIKAWA, Shinichiro YANO
  
• Improvement of Depth-averaged Model for Highly Accurate Prediction of Diffusion and Deposition of Settling Particles;　1997/11
  ANNOUNCEMENT INFO.;　
  AUTHOR;　T. Komatsu, H. Oshikawa, S. Yano, T. Yamasaki
  

Other Lectures

• Development of Control System on Sediment Transport by Using Wave Energy;　2013/03
  ANNOUNCEMENT INFO.;　Promotion Program for Institutional Research Associates and Graduate Students on Clean Energy Systems, 197-200
  AUTHOR;　Hideo Oshikawa
  

Review Articles

• Controls of Flow and Substance Transport in Large-scale Oscillatory Flow Fields;　2006/02
  ANNOUNCEMENT INFO.;　Journal of Japan Society of Fluid Mechanics, 25, 1, 31-38
  AUTHOR;　KOMATSU Toshimitsu, OSHIKAWA Hideo
  

Invited Lecture, Special Lecture

• Estimation Method of Disaster Immunity for a Flood Disaster;　2024/09
  ANNOUNCEMENT INFO.;　General Lecture at Hasanuddin University
  AUTHOR;　Hideo Oshikawa
  
• Flood Control by Dams and Adaptation Measures for Climate Change;　2024/09
  ANNOUNCEMENT INFO.;　International Guest Lecture at Muhammadiyah University of Makassar
  AUTHOR;　Hideo Oshikawa
  
• Flood Control by Dams and Adaptation Measures for Climate Change;　2024/09
  ANNOUNCEMENT INFO.;　General Lecture at Hasanuddin University
  AUTHOR;　Hideo Oshikawa
  
• Flood Control by Dams and Adaptation Measures for Climate Change;　2024/09
  ANNOUNCEMENT INFO.;　The 2nd International Conference on Education (ICE), 2
  AUTHOR;　Hideo Oshikawa
  
• Estimation of Disaster Immunity in a Flood Disaster;　2024/09
  ANNOUNCEMENT INFO.;　General Lecture at Tadulako University
  AUTHOR;　Hideo Oshikawa
  
• Flood Control Using Dams and Adaptation Measures for Heavy Rain by Global Warming;　2023/03
  ANNOUNCEMENT INFO.;　General Lecture at Tadulako University
  AUTHOR;　Hideo Oshikawa
  
• Flood Control by Dams for the Heavy Rain in August 2019 and a Future Heavy Rain in the Kase River Basin;　2022/08
  ANNOUNCEMENT INFO.;　19th Annual Meeting of Asia Oceania Geoscience Society, 19
  AUTHOR;　Hideo Oshikawa and Konan Sakamoto
  
• Research on a Dam for Flood Control;　2019/09
  ANNOUNCEMENT INFO.;　General Lecture at Tadulako University for "One Asia Foundation"
  AUTHOR;　Hideo Oshikawa
  
• The Transition of Soil Structure in the High Tide Level Change Environment;　2019/09
  ANNOUNCEMENT INFO.;　The International Conference on Sustainable Engineering Practice (IConSEP 2019)
  AUTHOR;　Takenori Hino, Hideo Oshikawa, Tri Harianto, Fabian J. Manoppo
  
• Experimental Study on the Risk for a Vehicular Traffic in a Flood Situation;　2018/09
  ANNOUNCEMENT INFO.;　General Lecture at Tadulako University (Palu, Indonesia)
  AUTHOR;　Hideo Oshikawa
  
• Experimental Study on the Risk for a Vehicular Traffic in a Flood Situation;　2018/09
  ANNOUNCEMENT INFO.;　Special Lecture as Keynote Speaker at Hasanuddin University (Makassar, Indonesia)
  AUTHOR;　Hideo Oshikawa
  
• Experimental Study on the Wake Structure behind a Cylindrical Rotator with Asymmetric Protrusions in a Unidirectional Flow;　2015/08
  ANNOUNCEMENT INFO.;　Special Session III, “Disaster Risk Management”, in the 11th International Conference of the International Institute for Infrastructure Resilience and Reconstruction
  AUTHOR;　Hideo Oshikawa and Toshimitsu Komatsu
  
• Research on Dry Dams for Flood Control and Flood Surge;　2014/03
  ANNOUNCEMENT INFO.;　Flood Disaster Prevention (Special Seminar)
  AUTHOR;　Hideo Oshikawa
  
• Study on the Sediment Transport Control by Using Submerged Asymmetrical Structures in Wave Fields;　2012/09
  ANNOUNCEMENT INFO.;　Ven Te Chow Hydrosystems Laboratory Seminar Series
  AUTHOR;　Hideo Oshikawa
  
• Adaptation to Water Related Disasters Induced by Global Environmental Change;　2010/08
  ANNOUNCEMENT INFO.;　Korea(BUGB)-Japan(SC) 2010 Joint Seminar on Civil Engineering
  AUTHOR;　Toshimitsu Komatsu, Hideo Oshikawa and Akihiro Hashimoto