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Yukio Koibuchi / Associate Professor / Division of Environmental Studies
Department of Socio-Cultural Environmental Studies / / Coastal Environments
http://www.coastal-env.k.u-tokyo.ac.jp/koibuchi/

Career Summary
2001: Doctor of Engineering from (University of Tokyo)
2001: Research Assistant (University of Tokyo)
2002: Research Associate (Tokyo Denki University)
2003-2009: Assistant Professor (University of Tokyo)
Educational Activities
Environmental coastal science, Analysis of coastal environment
Research Activities
Prediction and Evaluation of Coastal Environments;
Numerical Modeling of Water Quality and Ecosystems in Coastal Waters;
Monitoring of Coastal Water Environments;
Literature
1) Koibuchi, Y. and Isobe, M. (2009); Water and Nutrients flow in the enclosed bays, Handbook of Coastal and Ocean Engineering, ASCE, World Scientific, 1300 pp.
2) Koibuchi, Y., and Isobe, M.,
"Phytoplankton Bloom Mechanism in an Area Affected by Eutrophication: Tokyo Bay in Spring 1999",
Coastal Engineering Journal, 49, 4, pp. 461-479, 2007.
Other Activities
Member, American Society of Civil Engineers (ASCE)
Member, American Society of Geophysical Union (AGU)
Member, Japan Society of Civil Engineers (JSCE)
Member, Japanese Coral Reef Society (JCRS)
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Future Plan
Currently, there are many problems in coastal water bodies. Our laboratory will continue efforts to contribute to water environment science and technology (WESTech) by integrating knowledge on rivers, lakes, and coasts. To create optimal coastal environments, we are developing 3D simulation systems, 3D monitoring systems, and restorationg techniques for hypoxia and coral reefs.
Messages to Students
Over the years, coastal regions like Tokyo Bay have been suffereding eutrophication and decline in water qualityies. It is often believed that discharged pollutants disappear once they are out of the urban area,; but the truth is they are simply out of sight, and problems are left untreated. Regardless of improvements in sewage systems, the water quality does not seem to get improve. Many citizens have given up in their efforts to restore the quality. These problems must have been around since our settlement, but there has not been a single plan that completely solves them. As you can see from the situation of Tokyo Bay, it is not hard to imagine that decline in water quality is a dilemma most cities across the world face. When sustainable urban utilization and regeneration are considered, it is important to think about minimizing impacts on every level, and not just on your visible environment. Sustainable development can be attained only through this perspective. How can we find a balance between regeneration of both urban and coastal environments? This is the essence of discussing "urban sustainable development".
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