Komai Katsuaki

J-GLOBAL         Last updated: Nov 28, 2019 at 10:30
 
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Name
Komai Katsuaki
Affiliation
Kitami Institute of Technology
Section
Faculty of Engineering

Research Areas

 
 

Academic & Professional Experience

 
Mar 2011
 - 
Today
Associate Professor, School of Engineering, Kitami Institute of Technology
 
Aug 2014
 - 
Sep 2014
Visiting Academic, School of Civil Engineering, University of Queensland
 
Apr 2010
 - 
Feb 2011
Assistant Professor, Graduate School of Engineering, Hiroshima University
 
Apr 2010
 - 
Dec 2010
Visiting Scholar, School of Civil Engineering, University of Queensland
 
Apr 2007
 - 
Mar 2010
Assistant Professor, Course of Civil and Environmental Engineering, Graduate School of Engineering, Hiroshima University
 

Education

 
Apr 1997
 - 
Mar 1999
Master Course, Course of Environmental Engineering, Graduate School of Engineering, Hiroshima University
 
Apr 1993
 - 
Mar 1997
Cluster 4 (Civil Engineering, Architecture, and Engineering System), School of Engineering, Hiroshima University
 

Published Papers

 
MODELLING OF NUTRIENT REDUCTION RATE FROM CARCASS OF ANADROMOUS FISHES AND ESTIMATION OF INFLUENCE TO RIVER WATER QUALITY
Katsuaki KOMAI, Kazuki YUHARA and Shunsuke HIROKI
Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)   75(2) I_535-I_540   Nov 2019   [Refereed]
Influence of river water temperature on nutrient reduction rate with decomposition of anadromous fishes was experimentally investigated. Focusing on pink salmon Oncorhynchus gorbuscha which has the largest resource of anadromous fishes in east Hok...
ESTIMATION OF ROTATION ANGLE AND CRITICAL VELOCITY OF MARIMOS DUE TO WAVES AND CURRENTS
Noriko HAYASHI, Keisuke NAKAYAMA, Yoichi OYAMA , Katsuaki KOMAI
Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)   75(2) I_775-I_780   Nov 2019   [Refereed]
MEASUREMENT OF SEAGRASS DISTRIBUTION BY SATELLITE DATA AND VARIDATION USING DISSOLVED INORGANIC CARBON IN LAGOON
Katsuaki KOMAI, Hiroshi HAYAKAWA, Tatsuya SATO, and Keisuke NAKAYAMA
Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering)   75(2) I_397-I_402   Nov 2019   [Refereed]
Seagrass distribution in a lagoon located near the Sea of Okhotsk was estimated from satellite data, and varidated using DIC and its variation obtained by field observation data. Seagrass distribution was made by converted data from averaged NDVI ...
Bouragba Saadia, Komai Katsuaki, Nakayama Keisuke
WATER SCIENCE AND TECHNOLOGY   80(1) 11-24   Jul 2019   [Refereed]
This paper aims to assess the performance of a distributed hydrological model for simulating the transport of various heavy metals in rivers, to enhance and support environmental monitoring strategies for rivers in developing countries. In this co...
SASAKI Daisuke, NAKAYAMA Keisuke, NAKANISHI Yutaro, NAKAGAWA Yasuyuki, TADA Kazufumi, KOMAI Katsuaki
Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)   75(2) I_504-I_509   2019   [Refereed]
To reduce the impact of global warming, "blue carbon" has been received attention as carbon stocks which can be captured and stored by marine plants and animals. With the growth of eelgrass, Zostera marina, carbon dioxide can be absorbed, a...
ITO Wataru, NAKAYAMA Keisuke, YANO Shinichiro, XIONG Bing, SAITO Naoki, KOMAI Katsuaki, YAJIMA Hiroshi
Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)   75(2) I_977-I_982   2019
We developed the hydrodynamic model of Yatsushiro Sea in order to analyze stratified flow field and water quality in Yatsushiro Sea. Yatsushiro Sea is connected to Ariake Sea with very narrow strait, which cannot be modelled due to the limitation ...
Nakayama Keisuke, Maruya Yasuyuki, Matsumoto Kei, Komai Katsuaki, Kuwae Tomohiro
ESTUARINE COASTAL AND SHELF SCIENCE   212 286-293   Nov 2018   [Refereed]
Total nitrogen (TN), consisting of total particulate nitrogen (TPN) and total dissolved nitrogen (TDN) pools, may be transported to the ocean not only via river channels but also from across the entire river basin via groundwater and migratory ani...
TADA Kazufumi, NAKAYAMA Keisuke, KOMAI Katsuaki, TSAI Jeng-Wei, SATO Yukinobu, KUWAE Tomohiro
Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering)   74(2) I_444-I_449   2018   [Refereed]
 We developed dissolved inorganic carbon (DIC) model in Lake Komuke of Hokkaido Island in order to investigate partial CO2 pressure. Three-dimensional hydrodynamic model was applied to model DIC since Lake Komuke is one of the typi...
林 典子, 中山 恵介, 尾山 洋一, 若菜 勇, 山田 俊郎, 駒井 克昭
Annual journal of Hydraulic Engineering, JSCE   63 I_517-522   2018   [Refereed]
SAKAGUCHI Shino, NAKAYAMA Keisuke, VU Thuy Thi Thu, KOMAI Katsuaki, NIELSEN Peter
Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering)   74(2) I_1-I_6   2018   [Refereed]
 It was revealed that a solitary wave is highly reproduced by using Fully-nonlinerar and strongly Dispersive Surface wave equations (FDS equations) comparing with theoretical solutions. Furthermore, we improved the FDS equations by expanding ...

Conference Activities & Talks

 
Mobility and partitioning of heavy metals in the basin of Mellah River, Algeria
Saadia BOURAGBA, Katsuaki KOMAI, Keisuke NAKAYAMA, Toshiyuki CHIBA
WET2019 (Water and Environment Technology Conference)   2019   
林典子, 中山恵介, 尾山洋一, 若菜勇, 山田俊郎, 駒井克昭
土木学会関西支部年次学術講演会講演概要集(CD-ROM)   25 Apr 2018   
駒井克昭, 大石将己, 佐藤辰哉, 広木駿介, 園田武, 丸谷靖幸
日本水環境学会年会講演集   9 Mar 2018   
広木駿介, 駒井克昭, 松本経
土木学会北海道支部論文報告集(CD-ROM)   Jan 2018   
佐藤辰哉, 駒井克昭, 中山恵介
土木学会北海道支部論文報告集(CD-ROM)   Jan 2018   
笠間基, 駒井克昭
土木学会北海道支部論文報告集(CD-ROM)   Jan 2018   
Assessment of River Contamination with Multi-Heavy Metals Using Distributed Hydrological Model (Case Study: Harrach River in Algeria)
Saadia Bouragba, Katsuaki Komai, Keisuke Nakayama
WET2018 (Water and Environment Technology Conference)   2018   
Characterization of water qualities toward water circulation modelling during winter in a snowy forest catchment
K. Komai, Y. Tsukamoto, A. Nagao, M. Nunokawa, N. Watanabe, S. Hiroki
IWA World Water Congress & Exhibition 2018   2018   
Projection of Dissolved Organic Carbon Supply from Kushiro Mire Basin to the Coastal Region of the Oyashio Current Using Multi GCMs [Invited]
Katsuaki Komai, Yasuyuki Maruya, Hajime Kasama, Koudai Dejima, Naoki Nobuyama
15th Annual Meeting AOGS   2018   
丸谷靖幸, 駒井克昭, 笠間基, 信山直紀, 佐藤辰哉
日本生態学会大会講演要旨(Web)   2018   
Decline of salmon carcasses and its effects on nutrient input in riparian ecosystems
K. Matsumoto, K. Oda, K. Komai, T. Kameda, H. Hayakawa, M. Torao, Y. Koshino
Proceedings of The 32nd International Symposium on Okhotsk Sea & Polar Oceans   Feb 2017   
Influence of seasonal variation in brackish water environment on primary production in Lake Komuke at the coast of the Sea of Okhotsk
T. Takeuchi, Y. Tsukamoto, K. Komai, T. Yamada
Proceedings of The 32nd International Symposium on Okhotsk Sea & Polar Oceans   Feb 2017   
台丸谷星花, 小森葵, 駒井克昭
土木学会北海道支部論文報告集(CD-ROM)   Feb 2017   
塚本優祐, 長尾麻未, 駒井克昭, 布川雅典
土木学会北海道支部論文報告集(CD-ROM)   Feb 2017   
Transfer patterns of salmon resources by terrestrial animals in Hokkaido
K. Matsumoto, K. Nakayama, K. Komai, S. Hisamatsu, S. Takahashi, K., Watanabe, and T. Kuwae
Proceedings of the 31st International Symposium on Okhotsk Sea and Polar Oceans   2016   
Stable isotope analysis and marine-derived nutrient inputs in the riparian forests in Shiretoko Peninsula
K. Oda, K. Komai, K. Matsumoto, K. Nakayama, K. Watanabe, and T. Kuwae
Proceedings of the 31st International Symposium on Okhotsk Sea and Polar Oceans   2016   
Dynamics of nutrient and dissolved organic matter in snowmelt season in tidalflat sediment in Lake Komuke
T. Takeuchi, F. Sano, K. Komai, K. Nakayama
The 7th International Conference on Water Resources and Environment Research (ICWRER2016)   2016   
Estimation of see ice transport in Sea of Okhotsk
F. Sano, T. Takeuchi, N. Sato, K. Tateyama, K. Komai and K. Nakayama
The 7th International Conference on Water Resources and Environment Research (ICWRER2016)   2016   
Organic carbon transport during flood due to rainfall in a headwater catchment of Kushiro Wetland, JAPAN
H. Kasama, K. Komai, Y. Maruya, and K. Nakayama
Libro de artículos del XXVII Congreso Latinoamericano de Hidráulica   2016   
Influence of nutrient and fine sediment control to primary productivity by benthic attached algae in forest watershed
K. Komai, A. Nagao, M. Nunokawa, N. Watanabe, Y. Maruya, K. Nakayama
IWA World Water Congress & Exhibition   2016   

Research Grants & Projects

 
Carbon storage due to aquatic plants in stratification for climate change mitigation
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (B)
Project Year: 2018 - 2022    Investigator(s): Keisuke Nakayama
Improvement of environmental dynamics analysis of river basin using specific substance information in cold region
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (C)
Project Year: 2015 - 2018    Investigator(s): Katsuaki Komai
Sedimentation process on organic settling matter in brackish lake in cold region
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (C)
Project Year: 2012 - 2015    Investigator(s): Katsuaki Komai
Acoustic tomography measurement of tidal currents and throughflow in the Kurushima Strait
Japan Society for the Promotion of Science: Grant-in-Aid for Scientific Research (C)
Project Year: 2008 - 2010
Study on establishment of the system of water environmentalimpact assessment of ocean current on an estuary
Japan Society for the Promotion of Science: Grant-in-Aid for Young Scientists (B)
Project Year: 2006 - 2008