博士(工学), 東京大学大学院

Environmental systems for civil engineering, Environmental Engineering of Water

2011 - 2021
Senior Researcher, National Institute for Environmental Studies

2008 - 2009
Cabinet Office, Japan

2008 - 2011
Senior Researcher, National Institute for Environmental Studies

2004 - 2008
Researcher, National Institute for Environmental Studies

2001 - 2004, University of Tokyo, Graduate School of Engineering, Department of Urban Engineering

1999 - 2001, University of Tokyo, Faculty of Engineering, Department of Urban Engineering

2021
論文集編集委員会Ｇ分冊編集小委員会　幹事長, Japan Society of Civil Engineers

2020 - 2021
論文集編集委員会Ｇ分冊編集小委員会　幹事, Japan Society of Civil Engineers

2019
環境工学委員会　委員兼幹事, Japan Society of Civil Engineers

2018
「水環境の百科」出版企画編集委員会　委員, Japan Society on Water Environment

2017
将来の水環境変化に対応した水供給システム研究委員会　委員, Japan Society on Water Environment

2012 - 2016
編集企画部会　委員, Japan Society on Water Environment

2011 - 2016
和文誌編集委員会　委員, The Japanese Society of Limnology

2021
Japan Society of Civil Engineers, 環境工学研究フォーラム 論文賞

2011
The japanese Society of Limnology, 日本陸水学会優秀ポスター賞

2008
Japan Society on Water Environment, 日本水環境学会論文奨励賞

2000
日本水道協会, 日本水道協会優秀論文賞

Takehiro Kazama; Kazuhide Hayakawa; Takamaru Nagata; Koichi Shimotori; Akio Imai; Kazuhiro Komatsu
Takehiro Kazama; Kazuhide Hayakawa; Takamaru Nagata; Koichi Shimotori; Akio Imai; Kazuhiro Komatsu
Hydrobiologia, 849(5), 1115-1130, 2022
Last

Nor Suhaila Yaacob; Mohd Fadzli Ahmad; Ashvini Sivam; Emi Fazlina Hashim; Maegala Nallapan Maniyam; Fridelina Sjahrir; Noor Fazreen Dzulkafli; Wan Muhammad Ikram Wan Mohd Zamri; Kazuhiro Komatsu; Victor S. Kuwahara; Hasdianty Abdullah
Nor Suhaila Yaacob; Mohd Fadzli Ahmad; Ashvini Sivam; Emi Fazlina Hashim; Maegala Nallapan Maniyam; Fridelina Sjahrir; Noor Fazreen Dzulkafli; Wan Muhammad Ikram Wan Mohd Zamri; Kazuhiro Komatsu; Victor S. Kuwahara; Hasdianty Abdullah
Forests, 13(1), 79, 2022

Kasturi Arumugam; Nor Suhaila Yaacob; Hasdianty Abdullah; Mohd Fadzli Ahmad; Maegala Nallapan Maniyam; Emi Fazlina Hashim; Fridelina Sjahrir; Wan Muhammad Ikram; Kazuhiro Komatsu; Victor S. Kuwahara
Kasturi Arumugam; Nor Suhaila Yaacob; Hasdianty Abdullah; Mohd Fadzli Ahmad; Maegala Nallapan Maniyam; Emi Fazlina Hashim; Fridelina Sjahrir; Wan Muhammad Ikram; Kazuhiro Komatsu; Victor S. Kuwahara
Journal of Applied Biology and Biotechnology, 10(2), 125-132, 2022

Maegala Nallapan Maniyam; Hasdianty Abdullah; Mohd Fadzli Ahmad; Emi Fazlina Hashim; Fridelina Sjahrir; Kazuhiro Komatsu; Victor S. Kuwahara; Nor Suhaila Yaacob
Maegala Nallapan Maniyam; Hasdianty Abdullah; Mohd Fadzli Ahmad; Emi Fazlina Hashim; Fridelina Sjahrir; Kazuhiro Komatsu; Victor S. Kuwahara; Nor Suhaila Yaacob
Applied Sciences, 12(8), 4060, 2022

Real-time measurement of photosynthetic activity and primary productivity by fast repetition rate fluorometry
Takehiro Kazama; Kazuhide Hayakawa; Koichi Shimotori; Akio Imai; Kazuhiro Komatsu
Chikyu Kankyo, 25(1-2), 31-42, 2021

Assessment of Aqueous Extraction Methods on Extractable Organic Matter and Hydrophobic/Hydrophilic Fractions of Virgin Forest Soils
Ikram W.M., Sjahrir F., Yaaob N.S., Dzulkafli N.F., Ahmad M.F., Abdullah H., Maniyam M.N., Hashim E.F., Kawasaki N., Komatsu K., Kuwahara V.S.
MOLECULES, 26(9), 2480, 2021

HorKenji Tsuchiya; Noriko Tomioka; Kazuhiro Komatsu; Tomoharu Sano; Ayato Kohzu; Akio Imai; Kazuhide Hayakawa; Takamaru Nagata; Takahiro Okamoto; Tomoyuki Oharaizontal variability and regulation of bacterial production in Lake Biwa, Japan
Kenji Tsuchiya; Noriko Tomioka; Kazuhiro Komatsu; Tomoharu Sano; Ayato Kohzu; Akio Imai; Kazuhide Hayakawa; Takamaru Nagata; Takahiro Okamoto; Tomoyuki Ohara
Limnology, 23(1), 231-243, 2021

Development of photosynthetic carbon fixation model using multi-excitation wavelength fast repetition rate fluorometry in Lake Biwa
Kazama Takehiro; Hayakawa Kazuhide; Kuwahara Victor S.; Shimotori Koichi; Imai Akio; Komatsu Kazuhiro;
PLOS ONE, 16(2), e0238013, 2021
Last

Kinetics Growth and Recovery of Valuable Nutrients from Selangor Peat Swamp and Pristine Forest Soils Using Different Extraction Methods as Potential Microalgae Growth Enhancers
Yaacob Nor Suhaila; Ahmad Mohd Fadzli; Kawasaki Nobuyuki; Maniyam Maegala Nallapan; Abdullah Hasdianty; Hashim Emi Fazlina; Sjahrir Fridelina; Wan Mohd Zamri Wan Muhammad Ikram; Komatsu Kazuhiro; Kuwahara Victor S.
MOLECULES, 26(3), 653, 2021

Evaluation of stable isotope ratios (delta N-15 and delta O-18) of nitrate in advanced sewage treatment processes: Isotopic signature in four process types
Onodera Takashi; Komatsu Kazuhiro; Kohzu Ayato; Kanaya Gen; Mizuochi Motoyuki; Syutsubo Kazuaki
Science of the Total Environment, 762, 144120, 2021

Seasonal dynamics of the activities of dissolved Cs-137 and the Cs-137 of fish in a shallow, hypereutrophic lake: Links to bottom-water oxygen concentrations
Matsuzaki Shin-ichiro; Tanaka Atsushi; Kohzu Ayato; Suzuki Kenta; Komatsu Kazuhiro; Shinohara Ryuichiro; Nakagawa Megumi; Nohara Seiichi; Ueno Ryuhei; Satake Kiyoshi; Hayashi Seiji
Science of the Total Environment, 761, 143257, 2021

The Responses to COVID-19 of the Long-term Monitoring Project in Lake Kasumigaura
Kazuhiro Komatsu; Shin-ichiro Matsuzaki
Journal of Japan Society on Water Environment, 43(12), 427-428, 2020
Lead, Corresponding

三次元励起蛍光スペクトル法で検出される下水特有ピークの由来とその有用性
Kazuhiro Komatsu
Environomental Solution Technology, 19(6), 25-30, 2020
Lead, Corresponding

Assessment of the water quality factors influencing the primary production in Lake Kasumigaura
Kazuhiro Komatsu; Megumi Nakagawa; Kenji Tsuchiya; Ayato Kohzu; Ryuichiro Shinohara; Sin-ichiro S. Matsuzaki
Japanese journal of JSCE, 76(7), III_11-III_17, 2020
Lead, Corresponding

Variability of benthic methane-derived carbon along seasonal, biological, and sedimentary gradients in a polymictic lake
Tsuchiya Kenji; Komatsu Kazuhiro; Shinohara Ryuichiro; Imai Akio; Matsuzaki Shin-ichiro; Ueno Ryuhei; Kuwahara Victor S; Kohzu Ayato
LIMNOLOGY AND OCEANOGRAPHY, 65(12), 3017-3031, 2020

Magnetic Resonance Imaging as a Novel Method for Elucidating Sediment Burrow Structures and Functions
Kohzu Ayato; Watanabe Hidehiro; Imai Akio; Takaya Nobuhiro; Miura Shingo; Shimotori Koichi; Komatsu Kazuhiro
ACS OMEGA, 5(25), 14933-14941, 2020
Last

Characterization of dissolved organic matter in wastewater during aerobic, anaerobic, and anoxic treatment processes by molecular size and fluorescence analyses
Komatsu Kazuhiro; Onodera Takashi; Kohzu Ayato; Syutsubo Kazuaki; Imai Akio
Water Research, 171, 115459, 2020
Lead, Corresponding

Encyclopedia of Water Environment
(交社)日本水環境学会, Joint editor
朝倉書店, 55－98 2021

Characterization of Fluorophore in wastewater treatment plant
Kazuhiro Komatsu, Takashi Onodera, Ayato Kohzu, Kazuaki Shutsubo
The 56th Annual conference of Japan Society on Water Environment, 18 Mar. 2022

Substantial decrease in bacterial production over the past three decades in the north basin of Lake Biwa
Kenji Tsuchiya, Noriko Tomioka, Tomoharu Sano, Ayato Kohzu, Kazuhiro Komatsu, Akio Imai, Kazuhide Hayakawa, Takamaru Nagata, Takahiro Okamoto, Yoshinori Hirose
SIL2021, 24 Aug. 2021

Analyses of the environmental factors affecting the primary production in Lake Biwa (North Basin)
Kazuhiro Komatsu, Kenji Tsuchiya, Noriko Tomioka, Akio Imai, Kazuhide Hayakawa, Takamaru Nagata
The 55th Annual conference of Japan Society on Water Environment, 12 Mar. 2021

Assessment of the water quality factors influencing the primary production in Lake Kasumigaura
Kazuhiro Komatsu, Megumi Nakagawa, Kenji Tsuchiya, Ayato Kohzu, Ryuichiro Shinohara, Shin-ichiro S. Matsuzaki
The 57th Environmental Engineering Forum, 09 Dec. 2020

Characterization of the specific peak of sewage samples detected in the three-dimensional excitation emission spectroscopy
Kazuhiro Komatsu, Takashi Onodera, Ayato Kohzu, Kazuaki Shutsubo, Noriko Tomioka, Motoyuki Mizuochi, Akio Imai
The 54th Annual Conference of Japan Society on Water Environment 2020, 18 Mar. 2019

2003
Japan Society of Civil Engineers

1999
Japan Society on Water Environment

2005
The Japanese Society of LIMNOLOGY