Rchr
J-GLOBAL ID：201301046552748655   Update date: Nov. 11, 2025

Ihara Tomohiko

イハラ トモヒコ | Ihara Tomohiko
Affiliation and department：
The University of Tokyo Graduate School of Frontier Sciences Department of Environment Systems

About The University of Tokyo Graduate School of Frontier Sciences Department of Environment Systems


Other affiliations (2)：
  • National Institute of Advanced Industrial Science and Technology
  • Nagoya University  Graduate School of Environmental Studies 
Homepage URL  (1)： http://www.lct.k.u-tokyo.ac.jp
Research field  (6)： Recycling systems and society ,  Environmental materials/recycling technology ,  Environmental policy and society ,  Environmental impact assessment ,  Civil engineering (environmental systems) ,  Energy chemistry
Research keywords  (35)： 全国消費実態調査 ,  カーボンラベリング ,  CO2排出量 ,  GHG排出量 ,  家計調査 ,  産業連関表 ,  消費者行動 ,  カーボンフットプリント ,  暑熱ストレス ,  国際情報交換 ,  エネルギー ,  緩和策 ,  リスク ,  太陽光発電 ,  重篤度 ,  台湾 ,  都市熱環境 ,  脆弱性 ,  電力需給 ,  ヒートアイランド ,  数値シミュレーション ,  マップ ,  健康影響 ,  企業インタビュー ,  熱中症リスク ,  地域メッシュ ,  グラフ理論 ,  疲労 ,  睡眠困難 ,  サプライチェーン ,  インベントリデータ ,  適応策 ,  冷房 ,  数値モデリング ,  都市気象
Research theme for competitive and other funds  (19)：
  • 2025 - 2030 都市域熱環境の広域評価と緩和策を含む暑熱リスク低減策の提案と評価(気候変動適応の社会実装に向けた総合的研究より)
  • 2025 - 2028 3D Evaluation of Solar Photovoltaic Power Generation on Urban Building Surfaces Considering the Power Output and Degradation Characteristics of Next-Generation Solar Cells
  • 2023 - 2026 Health damage reduction of air conditioners based on climate predictions and epidemiological survey analysis in cities around the world
  • 2023 - 2026 Planning and evaluation method of local production for local consumption type energy project combined with renewable energy purchase system
  • 2023 - 2026 Evaluation of the health damage mitigation effect of air conditioners based on climate projections and epidemiological survey analysis in cities around the world
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Papers (84)：
  • Yong Sun, Yuya Takane, Kazuki Yamaguchi, Tomohiko Ihara. The photovoltaic heat island effect in Tokyo: Morphological dependence and spatiotemporal dynamics of PV-induced urban warming. Building and Environment. 2026
  • Mark Cel E. Gonzaga, Tomohiko Ihara. Evaluation of passive and non-refrigerant-based cooling strategies on thermal comfort and electricity consumption in hot-humid Philippine households. Building and Environment. 2026
  • Yijia Chen, Qingyang Wu, Fan Zhao, Yukitaka Ohashi, Tomohiko Ihara. Temperature, Air Pollution, and Cardiopulmonary Diseases: A Multi-City Analysis of Morbidity and Mortality in Japan. ENVIRONMENT & HEALTH. 2025
  • Kazuki Yamaguchi, Yuya Takane, Tomohiko Ihara. Urban cooling and CO2 reduction potentials of mass deployment of heat pump water heaters in Tokyo. Urban Climate. 2025. 61. 102374-102374
  • Qiong Zhang, Tomohiko Ihara. Comparative cost analysis of FCVs, BEVs, and ICVs: A consumer perspective in Japan. APPLIED ENERGY. 2025. 382. 125231
ｍore...
MISC (301)：
  • 照井奈都, 大風翼, 井原智彦, 鳴海大典. COST-BENEFIT ANALYSIS OF HEAT ISLAND MITIGATION STRATEGY (PART 1) : EVALUATION OF HIGH-REFLECTION TREATMENT ON BUILDING ROOF SURFACES IN OSAKA PREFECTURE. 日本建築学会環境系論文集(Web). 2025. 90. 833
  • 大橋唯太, 井原智彦. 一般化加法モデル(GAM)を用いた循環器系疾患の死亡率と気象・気候の関係分析. 日本生気象学会雑誌. 2024. 61. 2
  • 平野勇二郎, 金森有子, XUAN Ji, 水谷傑, 井原智彦, 吉田友紀子. Macro Evaluation of CO2 Reduction Effect by Introducing Teleworking. エネルギーシステム・経済・環境コンファレンス講演論文集(CD-ROM). 2024. 40th
  • Masaharu MOTOSHITA, Yusuke KISHITA, Hajime OHNO, Hiroki HATAYAMA, Kenichi NAKAJIMA, Jun NAKATANI, Eri AMASAWA, Ryota II, Mayumi ISOBE, Tomohiko IHARA, et al. EcoBalance 2022: Shifting Paradigms with Life Cycle Thinking (30 October-2 November 2022, Fukuoka, Japan)-English version-. Journal of Life Cycle Assessment, Japan. 2024. 20. 2. 104-114
  • Masaharu MOTOSHITA, Yusuke KISHITA, Hajime OHNO, Hiroki HATAYAMA, Kenichi NAKAJIMA, Jun NAKATANI, Eri AMASAWA, Ryota II, Mayumi ISOBE, Tomohiko IHARA, et al. 第15回 エコバランス国際会議(EcoBalance 2022):ライフサイクル思考によるパラダイム転換(2022年10月30日~ 11月2日、福岡)-日本語版-. Journal of Life Cycle Assessment, Japan. 2024. 20. 2. 94-103
ｍore...
Lectures and oral presentations  (16)：
  • Modeling Indoor Thermal Environments in Detached Wooden Homes Using Linear Regression and Neural Networks
    (2024)
  • Evaluation of the mortality risk reduction effects of countermeasures to nocturnal UHI
    (2024)
  • Estimation of Distribution of Indoor and Outdoor Population Using Location-Based Serviced Data
    (2024)
  • Indoor and Outdoor Population Prediction Using Location-Based Services Based on Machine Learning Approach
    (2024)
  • Machine learning approach to predict mortality reduction from summer heatstroke and heart disease through urban modification scenarios for climate change adaptation
    (2024)
ｍore...
Education (3)：
  • 2000 - 2004 The University of Tokyo Graduate School of Engineering Department of Geosystem Engineering (PhD course)
  • 1998 - 2000 The University of Tokyo Graduate School of Engineering Department of Geosystem Engineering (Master course)
  • 1994 - 1998 The University of Tokyo Faculty of Engineering Department of Geosystem Engineering
Professional career (1)：
  • 博士(工学) (東京大学)
Work history (11)：
  • 2021/04 - 現在 Nagoya University Graduate School of Environmental Studies
  • 2012/06 - 現在 National Institute of Advanced Industrial Science and Technology (AIST) Research Institute of Science for Safety and Sustainability Visiting Research Scientist
  • 2012/06 - 現在 The University of Tokyo Department of Environment Systems, Graduate School of Frontier Sciences Associate Professor
  • 2019/04 - 2021/03 Center for Environmental Science in Saitama
  • 2018/04 - 2021/03 Tokyo University of Science Faculty of Science and Technology Industrial Administration
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Awards (2)：
  • 2024/08 - エネルギー・資源学会 第13回学会貢献賞 ワークショップ創設当初から企画・運営を受け継いできたことによる貢献
  • 2018/08 - 日本ヒートアイランド学会 第13回全国大会ベストポスター賞 高反射率塗料が15年間の研究成果を経て乗用車で実用化される
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