Recent or Representative Papers
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- Hajime Sugita, Kazuya Morimoto, Takeshi Saito and Junko Hara (2025) As(III) Removal via Combined Addition of Mg- and Ca-Based Adsorbents and Comparison to As(V) Removal via Those Mechanisms. Sustainability, 17(2), 757. https://doi.org/10.3390/su17020757
- Hajime Sugita, Kazuya Morimoto, Takeshi Saito and Junko Hara (2024) Removal performance and adsorption behavior on Mg-based adsorbents in As(III) and F simultaneous removal as in comparison with As(V). Geochemistry-Exploration Environment Analysis, 24(4), geochem2024-022. https://doi.org/10.1144/geochem2024-022
- Hajime Sugita, Kazuya Morimoto, Takeshi Saito and Junko Hara (2024) Effects of Soils on Environmental Stability of Spent Mg-based and Ca-based Adsorbents Containing Arsenite. Sustainability, 16(10), 4008. https://doi.org/10.3390/su16104008
- Junko Hara and Kazuhiro Sayama (2024) Accounting of weathering enhancement by mafic mineral spreading for CO2 storage. Geochemistry-Exploration Environment Analysis, 24(4), geochem2024-036. https://doi.org/10.1144/geochem2024-036
- Junko Hara and Yoshishige Kawabe (2023) Geochemical characteristics and risk assessment of minor elements in subsurface soils of abandoned mine-rich Shikoku region, Japan. Journal of Soils and Sediments. 23, 718-730. https://doi.org/10.1007/s11368-022-03369-8
- Junko Hara, Susumu Norota, Yoshishige Kawebe, Hajime Sugita, Ming Zhang (2018) Characteristics of arsenic in humic substances extracted from natural organic sediments. Environmental Science and pollution Research, 25(16), 15680-15691. https://doi.org/10.1007/s11356-018-1779-7
- Kyouhei Tsuchida, Yukari Imoto, Takeshi Saito, Junko Hara, Yoshishige Kawabe (2025) Effect of solution pH on nanoplastic adsorption onto soil particle surface and the aggregation of soil particles. Science of The Total Environment (in press)
- Kyouhei Tsuchida, Yukari Imoto, Takeshi Saito, Junko Hara, Yoshishige Kawabe (2024) A novel and simple method for measuring nano/microplastic concentrations in soil using UV-Vis spectroscopy with optimal wavelength selection. Ecotoxicology and Environmental Safety. 280, 116366. https://doi.org/10.1016/j.ecoenv.2024.116366
- Kyouhei Tsuchida, Kengo Nakamura, Noriaki Watanabe, Takeshi Komai(2022), Influence of non-uniform flow on toxic elements transport in soil column percolation test, Heliyon, Volume 8, Issue 11, e11541. https://doi.org/10.1016/j.heliyon.2022.e11541
- Miho Yoshikawa, Ming Zhang, Yoshishige Kawabe, Taiki Katayama (2021) Effects of ferrous iron supplementation on reductive dechlorination of tetrachloroethene and on methanogenic microbial community. FEMS microbiology ecology, 97(5), fiab069. https://doi.org/10.1093/femsec/fiab069
- Miho Yoshikawa, Ming Zhang (2020) Constraints in Anaerobic Microbial Dechlorination, Fermentation, and Sulfate-Reduction Induced by High Concentrations of Tetrachloroethylene. Water, Air, and Soil Pollution. 231(8) https://doi.org/10.1007/s11270-020-04752-2
- Miho Yoshikawa, Ming Zhang, Futoshi Kurisu, Koki Toyota (2017) Bacterial degraders of coexisting dichloromethane, benzene and toluene, identified by stable-isotope probing. Water, Air, & Soil Pollution, 228(11), article number 418. https://doi.org/10.1007/s11270-017-3604-1
- Imoto, Y. (2024) Insight into the relationship between similarity and the degree of equilibrium of contaminant release curves through numerical simulations, Journal of Contaminant Hydrology, 267, 104451. https://doi.org/10.1016/j.jconhyd.2024.104451
- Imoto, Y., Yasutaka, T., Someya, M., Higashino, K. (2018) Influence of solid-liquid separation method parameters employed in soil leaching tests, on apparent metal concentration, Science of the Total Environment, 624, 96-105. https://doi.org/10.1016/j.scitotenv.2017.12.048
- Nagasinghe, I.U., Saito, T., Takemura, T., Kawamoto, K., Komatsu, T., Watanabe, N., and Kawabe, Y (2023). Applicability of alkaline waste and by-products as low cost alternative neutralizers for acidic soils. ISIJ International, 63(2), 228-234. https://doi.org/10.2355/isijinternational.ISIJINT-2022-247
- Saito, T., Spadini, L., Saito, H., Martins, J.M.F., Oxarango, L., Takemura, T., Hamamoto, S., Moldrup, P., Kawamoto, K., and Komatsu, T (2020). Characterization and comparison of groundwater quality and redox conditions in the Arakawa Lowland and Musashino Upland, southern Kanto Plain of the Tokyo Metropolitan area, Japan. Science of the Total Environment, 722, 137783. https://doi.org/10.1016/j.scitotenv.2020.137783
Oral and Poster Presentations during 2024.04-2025.03
please visit research map DB for detailed publication information
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The Geological Society of America CONNECTS 2024 (Anaheim, USA)
- Saito, T., Kawabe, Y., and Watanabe, N. (2024) Applicability of recycled alkaline waste materials for neutralization of acidic hot spring wastewater.
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Japan Geoscience Union Meeting 2024 (Chiba, Japan)
- Kudo, Y., Saito, T., Hara, J., and Oguchi, C.T. (2024) Water Repellent and Influence of Environmental Conditions on Concrete Sulphate Weathering.
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29th Symposium on Soil and Groundwater Contamination and Remediation. Yamagata
- Miho Yoshikawa, Yoshishige Kawabe. (2024) Evaluation of the impact of soil on microbial dechlorination of chloroethenes.
- Sugita H., Komai T.(2024) Development of a Soil Contamination Assessment Method Using Luminescent Bacteria for Petroleum Hydrocarbons: Combined Toxic Effects of Alkane Mixtures.
- Hara J.(2024) Methodology for the evaluation of components derived from tire and road surface wear substances (TRWP) released into the soil environment.
- Tsuchida K., Imoto Y., Saito T., Hara J., Kawanabe Y.（2024）Effect of pore water pH on the adsorption behavior of nano-plastics in soil
- Nishikata M., Morimoto K., Imoto Y., Takada M. Yasutaka T.（2024）Inter-laboratory precision evaluation and particle size effect of performance evaluation tests for adsorbents used in adsorption layer construction methods
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2024 Joint Autumn Meeting of MMIJ (Akita University)
- Abukawa Y., Saito T., Watanabe N., Kawabe Y.(2024) Research on neutralization treatment of acidic mine drainage and removal of heavy metals using recycled materials.
- Hasuo Y., Hara J., Kawabe Y. (2024) Evaluation of Heavy Metal Contamination of Natural Origin Using Statistical Analysis Methods
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The Japan Society of Groundwater Hydrology Autumn Lecture Meeting (Nagaoka City)
- Sugita H., Morimoto K., Saito T., Hara J. (2024) Simultaneous removal of arsenous acid and fluorine using calcium-based adsorbent. Japan Society of Groundwater Hydrology
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The 35th Research Presentation Meeting of the Japan Society of Material Cycles and Waste Management (Tsukuba City)
- Sugita H., Morimoto K., Saito T., Hara J. (2024) A Study of the Adsorption Behavior of As(III) in the Combined Addition of Mg- and Ca-based Adsorbents Based on Isotherms and XRD Analysis
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European Geosciences Union General Assembly 2024 (Vienna, Austria)
- Saito, T., Kawabe, Y., and Watanabe, N. (2024) Simultaneous immobilization of several heavy metals in naturally contaminated soils using waste and recycled materials.
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Lecture on Environmental Risks in Geotechnical Engineering 2023 - Learning the basics by touching the ground - (2nd Lecture)
- Saito, T. (2024) Geothermal Environment and Its Utilization
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The seminar of the Laboratory for Waste Management in the Center for Nuclear Energy and Sciences at PSI, (Villigen, Switzerland)
- Yoshikawa M. (2024) Biodegradation of organic pollutants in soil and groundwater. (invited)
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The 59th Annual Conference of Japan Society on Water Environment 2025 (Sapporo City, Hokkaido)
- Yoshikawa M., Katayama T., Kawabe Y. (2025) Search for methanogens contributing to accelerate dechlorination of chloroethenes by Dehalococcoides in the presence of ferrous iron
- Sugita H., Morimoto K., Saito T., Hara J. (2025) Simultaneous Removal of As(V)-F by Ca-based Adsorbent
- Hara J., Yoshikawa M., Tsuchida K., Saito T. (2025) Identification of eluted and extracted components from tire wear debris and estimation of metamorphic compounds
- Imoto Y., Sugita H., Saito T., Hara J. (2025) Demonstration of the phenomenon of excessive increase in the breakthrough curve in anion competitive adsorption.
- Tsuchida K., Imoto Y., Hara J., Kawabe Y. (2025) Basic research on the accumulation of microplastics in soil pores.
- Kawabe Y.・Kasiwabara H., Hara J. (2025) Factors Affecting the Human Health Risks of Polyfluoroalkyl Compounds (PFAS) in the Geosphere.
- Hiramatsu K., Shimane K., Hara J., Kawabe Y. (2025) Evaluation of the biological mobility of heavy metals in soil under anaerobic conditions
- Shimane K., Hiramatsu K., Hara J., Kawabe Y. (2025) The Effect of Aerobic Microorganisms on the Behavior of Heavy Metals in Soil
- Ishiguro D., Saito T., Watabe N., Kawabe Y. (2025) Research on neutralizing acidic mine drainage and removing heavy metals using waste materials
- Tanaka Y., Tsuchida K., Kawabe Y. (2025) Basic study on the interaction between soil and microplastics.
Other Publications
- Hara, J., Tsuhica K., Kawabe, Y. (2024) Geochemical and risk assessment map of subsurface soils of the Chugoku Region. Geological Survey of Japan, AIST., 112p. https://www.gsj.jp/Map/EN/soils_assessment.html
- Hara, J., Kawabe, Y. (2023) Geochemical and risk assessment map of subsurface soils of the Kyushu and Okinawa Region. Geological Survey of Japan, AIST., 129p. https://www.gsj.jp/Map/EN/soils_assessment.html
- Hara, J., Kawabe, Y., Sakamoto, Y., Zhang, M. (2021) Geochemical and risk assessment map of subsurface soils of Shikoku region. Geological Survey of Japan, AIST., 124p. https://www.gsj.jp/Map/EN/soils_assessment.html
- Hara, J., Kawabe, Y., Sakamoto, Y., Zhang, M. (2017) Geochemical and risk assessment map of subsurface soils of Kochi Prefecture. Geological Survey of Japan, AIST., 96p. https://www.gsj.jp/Map/EN/soils_assessment.html
- Yoshikawa, M., Zhang, M. (2015) Secret of the soil、3-7 Degradation of organic toxic substances by microorganisms. Asakura Press.
- Hara, J., Kawabe, Y., Zhang, M. (2014) Geochemical and risk assessment map of subsurface soils of Ibaraki Prefecture, Geological Survey of Japan, AIST., CD-ROM
- Hara, J. (2012) Organic Pollutants Ten Years After the Stockholm Convention - Environmental and Analytical Update. Chemical Degradation of Chlorinated Organic Pollutants for In Situ Remediation and Evaluation of Natural Attenuation. Chapter14. Chemical Degradation of Chlorinated Organic Pollutants for In Situ Remediation and Evaluation of Natural Attenuation. Intech. pp.484.
- Hara, J., Kawabe, Y., Komai T. (2012) Geochemical and risk assessment map of subsurface soils of Toyama Prefecture., Geological Survey of Japan, AIST., CD-ROM
- Hara, J., Kawabe, Y., Komai T., Imoto, Y., Sugita, H. (2008) Geochemical and risk assessment map of subsurface soils of Tottori Prefecture, Geological Survey of Japan, AIST., CD-ROM
- Hara, J., Kawabe, Y., Komai T., Imoto, Y., Sugita, H. (2008) Geochemical and risk assessment map of subsurface soils of Miyagi Prefecture, Geological Survey of Japan, AIST., CD-ROM
Awards
- Furota, S., Yoshikawa, M., Kaneko, M., Nobu, M., Igarashi, K., Nakamura, Y., Takeshita, D. (2022) AIST technology fusion Award
- Saito, T. (2020) The Young Scientists’ Award, The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology (Study on effect of subsurface warming on groundwater environment).
- Saito, T., Hamamoto, S., Takemura, T., Ueshima, M., Kawamoto, K., Komatsu, T. (2018) 2018 Best Paper Award, Journal of Japan Society of Civil Engineers (Effect of temperature change on dissolution characteristics and chemical forms of boron and arsenic in sediments).
- Saito, T., Kenmochi, M., Miyasaka, K., Sakaguchi, I., Kawamoto, K., Komatsu, T. (2015) Best Presentation Award, Japanese Association of Groundwater Hydrology 2015 fall meeting (Changes of subsurface temperature and groundwater quality during in-situ long-term heating experiment).
- Hara, J. (2015) Best Presentation Award (ICEES2015)(Awards：IACT)
- Hara, J., Norota, S., Kakihara, Y., Kawabe, Y., Zhang, M. (2014) Identification of Arsenic Speciation and Accumulated Organic Species in Different Environment of Organic Sedimentation, 20th World Congress of Soil Science, Best Poster Award.
- Kawabe, Y., Hara, J., Yasutaka, T., Sakamoto, T., Zhang, M., Komai, T. (2013) 2012 Best Paper Award, Journal of Japan Society of Civil Engineers.
- Komai, T., Kawabe, Y., Sakamoto, Y., Sugita, H., Hara, J. (2010) AIST President Award. Social contribution through the development and dissemination of soil contamination risk assessment technology
- Hara, J. (2007) Encouragement Award for Research of the Geothermal Research Society of Japan.
Press Announcement
- Goshi Furota, Masaki Kaneko, Kenta Asahina, Miho Yoshikawa, Kazuma Shimada, Daijiro Takeshita, Kensuke Igarashi, Yusuke Nakamichi, Seiya Tsujimura and Masaru K. Nobu (2025) Realization of electrode reaction of coenzyme F420, the most potent coenzyme in reduction -Successful construction of reaction system enabling mutual conversion of oxidized and reduced form of coenzyme F420 by electrical force Coenzyme F420 oxidized and reduced forms of coenzyme F420 can be converted into each other by electrical force.
- Junko Hara, Kyohei Tsuchida, Yoshinari Kawabe (2024) Publication of “Geochemical and risk assessment map of subsurface soils of the Chugoku Region” - Providing reassurance for land use planning by visualizing the distribution of heavy metals concentration in soil and risk assessment to humans -.
- Hashimoto, Yohei, Tetsuo Yasutaka, Yukari Imoto, Mie Nishikata (2024) Mechanism of leaching of naturally occurring arsenic from the Yurakucho Formation that forms the ground of downtown Tokyo.
- Kyohei Tsuchida, Yukari Imoto, Kenshi Saito, Junko Hara, Yoshinari Kawabe (2024) Development of a technique for measuring nanoplastic concentration in soil - Contribution to understanding the distribution of the amount of plastic particles diffused in the geosphere environment.
- Hara, Junko and Kawabe, Yoshinari (2023) Publication of information on the concentration distribution of naturally occurring heavy metals and related environmental factors - Visualization of the risk to humans from the environment of surface soils in the Kyushu region.
- Miho Yoshikawa, Ming Zhang, Yoshinari Kawabe, Yasuki Katayama (2022) Improvement of detoxification efficiency of chloroethylenes by microorganisms - Shortening the purification period of contaminated soil and groundwater by coexistence of divalent iron and methanogenic bacteria-.
- Junko Hara, Yoshinari Kawabe, Yasuhide Sakamoto, Ming Zhang (2017) Geochemical and risk assessment map of subsurface soils in Kochi Prefecture Area Released on the Web - Soil Assessment Chart Based on Exposure Risk Assessment of Heavy Metals.