Katsuaki Komai

コマイカツアキ | Katsuaki Komai

Affiliation and department：
Job title： Professor

Research field (5)： Social-ecological systems , Atmospheric and hydrospheric science , Civil engineering (environmental systems) , Hydroengineering , Environmental dynamics

Research keywords (11)： water resource management , marine and freshwater ecosystem , global climate change mitigation and adaptation , fishery resource conservation , environmental fluid dynamics , material dynamics analysis , environmental analytical chemistry , modelling , trace element , blue carbon , nutrient management

Research theme for competitive and other funds (16)：

2022 - 2026 Maximization of blue carbon sequestration in estuaries and freshwater lakes
2021 - 2026 Creation and development of information on water and its surrounding environment for the creation of water symbiosis studies
2022 - 2025 気候・人間活動の変化に伴う流域圏窒素循環の長期変動の解明
2022 - 2024 Development of impact assessment method of climate change on water resource and carbon storage in wetland in cold/highland region
2021 - 2024 Dynamic Modelling of Environmental System for Advanced Management of Environmental Load through Forest-Village-River-Sea

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Papers (140)：

Keisuke Nakayama, Katsuaki Komai, Motoshi Amano, Shintarou Horii, Yuichiro Somiya, Etsuko Kumamoto, Yoichi Oyama. Ideal water temperature environment for giant Marimo (Aegagropila linnaei) in Lake Akan, Japan. Scientific reports. 2023. 13. 1. 16834-16834
SATO Yukinobu, NAKAYAMA Keisuke, KOMAI Katsuaki, SANO Fumiya. EVALUATION OF THE IMPACT OF IMPROVEMENT OF FLOW LEVEES ON THE WATER QUALITY ENVIRONMENT IN LAKE KOMUKE. Japanese Journal of JSCE. 2023. 79. 18. 23-18039
MARUYAMA Momoka, NAKAYAMA Keisuke, SHIMIZU Taketoshi, KOMAI Katsuaki. ESTIMATING ANNUAL CARBON DIOXIDE SEQUESTRATION USING THE EQUATION OF DIC METABOLISM. Japanese Journal of JSCE. 2023. 79. 18. 23-18124
Jinichi Sakaguchi, Keisuke Nakayama, Katsuaki Komai, Atsushi Kubo, Taketoshi Shimizu, Junpei Omori, Kohji Uno, Tomoyasu Fujii. Carbon dioxide uptake in a eutrophic stratified reservoir: Freshwater carbon sequestration potential. Heliyon. 2023
Yasuyuki Maruya, Keisuke Nakayama, Masafumi Sasaki, Katsuaki Komai. Effect of dissolved oxygen on methane production from bottom sediment in a eutrophic stratified lake. Journal of Environmental Sciences. 2023. 125. 61-72

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MISC (38)：

Y. Uchida, K. Komai. Characterization of non-point source load using colored dissolved organic matter in Kushiro river basin. Proceedings of Hokkaido Chapter of the Japan Society of Civil Engineers (CD-ROM). 2022. 78. G-04
M. Sota, K. Komai, T. Sonoda. Flow field and distribution of dissolved organic matter in a lagoon at the coast of the Sea of Okhotsk. Proceedings of Hokkaido Chapter of the Japan Society of Civil Engineers (CD-ROM). 2022. 78. G-03
R. Takahashi, K. Komai, H. Hayakawa. Continuous water quality survey in a water park for the countermeasure of harmful algal bloom. Proceedings of Hokkaido Chapter of the Japan Society of Civil Engineers (CD-ROM). 2022. 78. G-02
K. Nada, K. Komai, K. Nakayama, S. Nakashita. Comparison of non-point source load characteristics by runoff analysis in branches of the Kushiro River. Proceedings of Hokkaido Chapter of the Japan Society of Civil Engineers (CD-ROM). 2022. 78. B-04
篠原健人, 片岡俊徳, 駒井克昭, 尾山洋一, 中山恵介, 山田俊郎. Characterization of rare earth elements in terrestrial water and biological samples in the east Hokkaido. 土木学会北海道支部論文報告集(CD-ROM). 2021. 77

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Lectures and oral presentations (84)：

Transport and Settling Processes of Particulate Nutrients from Agricultural Basin to Coastal Lagoon
(The Water and Environment Technology Conference 2021-online 2021)
Chemical Profiling and Identification of Terrestrial Water and Biological Samples Using Rare Earth Elements
(The Water and Environment Technology Conference 2021-online 2021)
Monitoring and Modelling of Heavy Metals Transport for Environmental Management in Urban Rivers
(The Water and Environment Technology Conference 2020-online 2020)
Conceptual Hydraulic Model for Estimation of Iron Behavior in Lagoon at the Coast of the Sea of Okhotsk
(The Water and Environment Technology Conference 2020-online 2020)
Monitoring of anthropogenic feeding for waterfowls in an urban reservoir based on feces collecting and stochastic modeling
(The Water and Environment Technology Conference 2020-online 2020)

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Education (2)：

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

Professional career (1)：

PhD (Hiroshima University)

Work history (9)：

2021/04 - 現在 Kitami Institute of Technology Division of Civil and Environmental Engineering Professor
2023/08 - Ha Long University, Quang Ninh Province, Vietnam Visiting Professor
2011/03 - 2021/03 Kitami Institute of Technology School of Engineering Associate Professor
2014/08 - 2014/09 University of Queensland School of Civil Engineering Visiting Academic
2010/04 - 2011/02 Hiroshima University Graduate School of Engineering Assistant Professor

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Committee career (17)：

2023/07 - 現在 Abashiri City, Waste Reduction Promotion Council Member
2021/06 - 現在 Ozora Town Board of Education Memanbetsu Hygrophyte Community Conservation Measures Review Committee
2021 - 現在 Abashiri Development and Construction Department, Hokkaido Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism Committee of Measures Review on Conservation of Brackish Water Environment in Lake Abashiri
2020 - 現在 Abashiri Development and Construction Department, Hokkaido Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism Committee of Review on Comprehensive Evaluation
2015 - 現在 Abashiri Development and Construction Department, Hokkaido Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism Commission of Monitoring on Environment in Lake Abashiri

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Association Membership(s) (9)：

International Water Association , International Association of Hydraulic Research , Association for the Science of Limnology and Oceanography , American Geophysical Union , JAPAN SOCIETY ON WATER ENVIRONMENT , JAPAN SOCIETY OF HYDROLOGY AND WATER RESOURCES , THE OCEANOGRAPHIC SOCIETY OF JAPAN , Ecology and Civil Engineering Society , JAPAN SOCIETY OF CIVIL ENGINEERS

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