Inversion Algorithm Determining Sharp Boundaries (Ishizu et al., 2025, Geophysics)
Development of a data-driven inversion algorithm capable of reproducing sharp boundaries without excessive reliance on prior information.
Controlled-Source Electromagnetic Survey in Volcanic Areas (Ishizu et al., 2025, GJI)
Achieved significant improvement in S/N ratio using EM-ACROSS, revealing a vapor layer undetected by conventional MT surveys.
Successful 3D Subsurface Mapping of Embedded Massive Sulfides (Ishizu et al., 2024, Geophysics)
Developed a system capable of simultaneously detecting embedded anomalies by deploying multiple seafloor electromagnetic receivers.
Estimating Gas Hydrate Distribution Using Electrical and Seismic Data (Ishizu et al., 2024, Scientific Reports)
Discovered that gas hydrates are heterogeneously distributed within gas chimneys.
Successful Visualization of a Supercritical Geothermal Reservoir (Ishizu et al., 2022, JGR)
Discovery of a silica cap layer above a supercritical geothermal reservoir and its contribution to the reservoir's formation.
Successful 3D Subsurface Mapping of Seafloor Massive Sulfides (Ishizu et al., 2022, Geophysics)
Proposal of a new 3D marine electromagnetic exploration technology that can map seafloor massive sulfides with performance equivalent to conventional methods while reducing …
Successful Visualization of the Two-Story Distribution of Seafloor Massive Sulfides (Ishizu et al., 2019, GRL)
Revealed that seafloor massive sulfides exist not only on the seafloor (upper deposit) but also at a depth of about 30m below the seafloor (lower deposit).