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Faculty

Underwater Information System


Seafloor station installation used for seafloor crustal deformation observation (GNSS-A)
Seafloor station installation used for seafloor crustal deformation observation (GNSS-A)

Schematic image of Nankai Trough interplate boundary coupling condition
Schematic image of Nankai Trough interplate boundary coupling condition

Underwater communication test using UAVs
Underwater communication test using UAVs

We are conducting research and development of real-time acquisition and utilization technology of underwater and seafloor information by satellite positioning engineering and marine acoustics.

To grasp underwater and seafloor information at high speed and use it in real-time, a remote sensing and a communication technology using satellites (e.g., GNSS) and UAVs (unmanned aerial vehicles), and underwater acoustic communication and positioning engineering using a sea-surface platform as a relay point are required. In our laboratory, we are developing a seafloor geological observation system, called GNSS-A, that applies these technologies, and its analysis technology. We are also researching interplate coupling, new phenomena called slow slip events using seafloor crustal movement observation information, and the application to earthquake disaster prevention. In addition, we are advancing research and development on the application of new technologies and next-generation data systems; for example, our targets are the application of GNSS-A to adjacent fields such as GNSS-A oceanography, the application of UAV to an ocean and seafloor observation platform, the development of satellite ranging technology using light, called SLR, and the open-data system in global geodesy.




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