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Matsushima Lab
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The lab uses seismic waves to explore underground resources and to examine the quality of energy.
AboutAbout the lab
Probing the subsurface and questioning the quality of energy
The Matsushima Lab studies geophysical exploration, which investigates conditions underground, and energy resources.
Drawing on seismic surveys, laboratory experiments, and theory, the lab works on methods for evaluating resources such as methane hydrate.
The lab also studies the “quality” of energy by comparing the energy used to extract a resource with the energy obtained from it.
Its research also covers muography, geothermal resources, and geological storage of carbon dioxide.
Key terms
- Geophysical exploration
- Techniques that use seismic waves and similar methods to investigate underground structures and resources without drilling into the ground
- Methane hydrate
- An ice-like solid in which methane is enclosed by water molecules. It is also found on the seafloor around Japan and is expected to become a future resource
- Energy return on investment (EROI)
- The energy obtained from a resource divided by the energy used to extract it. It expresses the “quality” of energy
- Muography
- A technique that uses muons, elementary particles that rain down from space, to see inside large objects
ResearchResearch themes
Centered on geophysical exploration (elastic-wave surveys), the lab studies energy resources such as gas hydrate, geothermal energy, and oil and natural gas, as well as geological storage of carbon dioxide. It also analyzes the “quality” of energy using the energy return on investment (EROI).
*Illustrative imageResource Exploration for Methane Hydrate
Methane hydrate is seen as a promising future domestic resource for Japan. The lab studies methods for evaluating it from the attenuation of seismic waves, combining analysis of observational data, laboratory experiments, and theory development.
*Illustrative imageEnergy Return Analysis
The lab evaluates the “quality” of energy by the ratio of the energy obtained from a resource to the energy used to extract it. From this perspective, it explores what future social systems should look like.
MembersFaculty
- ProfessorJun MatsushimaPublications ↗
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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: “Geophone Cables and Seismic Vibrator Trucks” Wsx2 / CC BY-SA 3.0 (cropped)
- Resource Exploration for Methane Hydrate: “Burning methane hydrate” USGS / Public domain (cropped)
- Energy Return Analysis: “LostHillsPumpjacksSunset” Arne Hückelheim / CC BY-SA 3.0 (cropped)
- Related lab (Konno Lab): “Burning methane hydrate” USGS / Public domain (cropped)
- Related lab (Tsuji Lab): “Full moon partially obscured by atmosphere” NASA / Public domain (cropped)
- Related lab (Ocean Industry Systems Lab): “Windfloat floating offshore foundation, Póvoa de Varzim, Portugal )” U.S. Department of Energy / Public domain (cropped)
- Related lab (Murakami Lab): “Chooz Nuclear Power Plant-9362” Raimond Spekking / CC BY-SA 4.0 (cropped)
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