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Aquatic Environmental Engineering Lab
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The lab studies water and weather, from groundwater to heavy rain and drought.

AboutAbout the lab
Considering daily life and disaster prevention through the water cycle and weather
The Aquatic Environmental Engineering Lab researches the groundwater environment and water-related problems such as heavy rain and drought.
Its topics include groundwater quality and salinization, diagnosis of heavy rain using artificial intelligence, artificial rainfall using liquid carbon dioxide, and investigations of past debris flow disasters based on old documents.
Its groundwater research is mainly conducted in the western part of Fukuoka City.
Key terms
- Self-organizing map
- One of the learning methods of artificial intelligence. It is used to represent multidimensional weather data as patterns that people can easily understand
- Salinization
- The rise in the salt content of groundwater caused by saltwater flowing in from the sea side. It is a problem for securing groundwater for agriculture
- Artificial rainfall
- An attempt to bring rain to the ground by spreading an ice-nucleating substance into a below-freezing cloud to form ice crystals
ResearchResearch themes
The Aquatic Environmental Engineering Lab studies the groundwater environment and countermeasures against heavy rain and drought from the perspectives of the water cycle and weather. From groundwater surveys to AI-based diagnosis of heavy rain, artificial rainfall, and disaster investigations based on old documents, it tackles issues close to people's lives.
*Illustrative imageGroundwater quality and salinization
The lab investigates coastal groundwater where salinization is a problem, such as in the Motooka and Kuwabara areas in western Fukuoka City. It also conducts laboratory experiments on suppressing saltwater intrusion with barrier wells, and studies the movement of fluorine and boron in groundwater.
*Illustrative imageDiagnosis of heavy rain using artificial intelligence
The lab develops methods for diagnosing and predicting heavy rain by recognizing the weather patterns present when it occurs, using self-organizing maps, one of the learning methods of artificial intelligence, and other techniques.
*Illustrative imageArtificial rainfall using liquid carbon dioxide
The lab researches artificial rainfall, in which liquid carbon dioxide is sprayed into clouds from an aircraft to form ice crystals and bring rain to the ground. It aims to contribute to drought countermeasures.
*Illustrative imageReading past debris flow disasters from old documents
By reading local old documents and town histories, the lab extracts the characteristics of past debris flow disasters and investigates disaster risk in areas such as the Chikugo region of Fukuoka Prefecture. Making these materials public is also expected to help disaster prevention education.
MembersFaculty
The members of the Aquatic Environmental Engineering Lab consist of faculty members and students.
- Associate ProfessorYosinari Hirosiro
- Associate ProfessorLagrosas Nofel
- Assistant ProfessorKoji Nishiyama
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: “Pentwyn Reservoir in drought (geograph 7271833)” Martin Laverty / CC BY-SA 2.0 (cropped)
- Groundwater quality and salinization: “Groundwater (aquifer, aquitard, 3 type wells)” Shigeru23 / CC BY-SA 3.0 (cropped)
- Diagnosis of heavy rain using artificial intelligence: “Torrential rain suddenly” Pauloleong2002 / CC BY-SA 4.0 (cropped)
- Artificial rainfall using liquid carbon dioxide: “Dark rain clouds departing over Brofjorden” W.carter / CC BY-SA 4.0 (cropped)
- Reading past debris flow disasters from old documents: “An ancient document recording a rain-making ceremony at Happoike Pond in July 1886” This file was scanned and edited by the uploader, Sakaori. / Public domain (cropped)
- Related lab (都市環境工学研究室): “Morning mist over Lake Matheson with Mount Tasman and Mount Cook behind” Pseudopanax at English Wikipedia / Public domain (cropped)
- Related lab (地盤工学研究室): “Geotechnical equipment in Bellevue, WA” SounderBruce / CC BY-SA 4.0 (cropped)
- Related lab (防災地盤工学研究室): “Road failure from slope instability in Shasta-Trinity National Forest” Shopstone / CC0 (cropped)
- Related lab (資源循環・廃棄物工学研究室): “Waste disposal-landfill” Mumtahina Rahman / CC0 (cropped)
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