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Symbiotic Environmental Assessment Lab
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An environmental assessment lab that clarifies the cycles of air, water, and heat in the environment and the movement of environmental pollutants.
AboutAbout the lab
Exploring environmentally harmonious technologies to conserve, restore, and create the environment.
The Symbiotic Environmental Assessment Lab evaluates how the environmental load from human activities affects people's living environments and natural ecosystems, and explores environmentally harmonious technologies.
At scales ranging from the globe, regions, and cities to indoor spaces in buildings, the lab clarifies how human activities affect the environmental cycles of air, water, and heat energy, as well as the environmental fate of pollutants.
Its core approach combines three methods, Monitoring, Modeling, and Management, building and using mathematical models that describe environmental fate.
Key terms
- Environmental fate
- How environmental pollutants released by human activities move and change within the environment. This is what the lab seeks to clarify.
- Mathematical model
- A model built to describe environmental fate. Using such models is the lab's central approach.
- Monitoring, Modeling, and Management
- The three basic methods the lab uses to study environmental fate.
NewsLab news
A doctoral student received the Osaka University Outstanding Research Award for Female Graduate Students
A doctoral student received a Best Presentation Award at the 16th International Conference on Future Environment and Energy
An undergraduate student received a Best Presentation Award at the Kinki Branch of the Japan Society for Atmospheric Environment
A doctoral student, Professor Shimadera, and Assistant Professor Matsuo received the FY2025 Outstanding Paper Award from the Regional Water Environment Administration Research Committee
A student received the Osaka University Outstanding Research Award for Female Graduate Students
ResearchResearch themes
This lab evaluates how the environmental load from human activities affects living environments and natural ecosystems, and explores environmentally harmonious technologies that conserve, restore, and create the environment. Its research uses mathematical models and targets the atmosphere, water, hazardous chemicals, urban thermal environments, and more.
*Illustrative imageMeteorology and Air Pollution in the Kinki Region
The lab assesses meteorology and air pollution in the Kinki region. Its work includes building a regional-scale air quality modeling system, characterizing PM2.5 air pollution, developing methods to estimate pollen dispersion, and predicting the dispersion and deposition of radioactive materials. It also estimates emissions of biogenic volatile organic compounds (BVOCs) from forests.
*Illustrative imageHydrology and Water Quality in River Basins
The lab assesses the hydrology and water quality of the Yodo River basin. It develops models of the Yodo River basin and Lake Biwa and analyzes the behavior of PFCs in Osaka Bay. It is also applying these models to the Abukuma River basin and developing a model that integrates forests, meteorology, and hydrology.
*Illustrative imageRisk Assessment of Hazardous Chemicals
The lab assesses the risks of hazardous chemicals using multimedia models. With one-box models, it screens PRTR chemicals and evaluates the fate of dioxins, lead, and mercury. With spatially distributed models, it evaluates the fate of dioxins, lead, and mercury.
*Illustrative imageUrban Meteorology and Air Pollution
For urban thermal environments, the lab evaluates the solar energy potential of Osaka City, the thermal environment of city blocks in Suita City, and the heat island mitigation effect of water-retentive pavement. For vehicle exhaust, it develops screening methods to identify roadsides and intersections with high concentrations, analyzes the factors behind differences in air concentrations at intersections, and estimates emission factors.
MembersFaculty
The members of the Symbiotic Environmental Assessment Lab are faculty, doctoral, master's, and undergraduate students, and administrative assistants.As of 2026
- ProfessorHikari Shimadera
- Assistant ProfessorTomohito Matsuo
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “air quality monitoring station in Zürich” Balise42 / CC BY 4.0 (cropped)
- Meteorology and Air Pollution in the Kinki Region: “Measuring PM2.5 air pollution from a burning roadside garbage dump at Bhiwandi near Mumbai” Sumaira Abdulali / CC BY-SA 4.0 (cropped)
- Hydrology and Water Quality in River Basins: “Yodo River @ Tempozan @ Osaka ( )” Guilhem Vellut from Annecy, France / CC BY 2.0 (cropped)
- Risk Assessment of Hazardous Chemicals: “Environmental pollution (water pollution)” SpartanDav / CC0 (cropped)
- Urban Meteorology and Air Pollution: “Be'er Sheva heat island at night” Xmidrashnik / CC BY 4.0 (cropped)
- Related lab (Global Circulation and Symbiosis Engineering Lab): “Global carbon stocks” Zac Kayler, Maria Janowiak, Chris Swanston / Public domain (cropped)
- Related lab (Environmental Management Lab): “Automatic air quality monitoring station, detail, 2020 Százhalombatta” Globetrotter19 / CC BY-SA 3.0 (cropped)
- Related lab (Quantum Beam Biomaterials Engineering Lab): “Superconducting magnet cutaway 2” Hzofia74 / CC BY 4.0 (cropped)
- Related lab (Smart Green Process Lab [Joining and Welding Research Institute]): “3D-printed ceramic parts made from lunar regolith ESA18889804” European Space Agency / CC BY-SA 3.0 igo (cropped)
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