معرفی
Tohru Ohta is a Professor at Waseda University's Faculty of Education and Integrated Arts and Sciences since 2017, with prior roles as Associate Professor (2012-2016) and part-time lecturer at Chiba University (2013). Holding a Doctorate in Science from Waseda University, Ohta is a member of prestigious societies including the Geological Society of Japan and American Geophysical Union.
- Ph.D. (Science) - Waseda University, 2004
- M.Sc. (Earth and Planetary Sciences) - Kyushu University, 2000
Ohta's research focuses on sedimentological processes across diverse environments from Archean basins to modern lunar exploration. Key contributions include:
- Development of logratio analysis for sediment grain-size interpretation
- Creation of robust weathering indices applicable to mixed sedimentary rocks
- Design of Active X-ray Spectrometer for lunar surface analysis
- Establishing terrestrial-arid links during the Carnian Pluvial Episode
- Quantifying glacial grain abrasion through Fourier texture analysis
Recent publications demonstrate systematic applications of multivariate statistics to sediment provenance and paleoclimate studies, particularly in Asian Mesozoic basins and lunar geochemistry. Ohta's work bridges terrestrial sedimentology with planetary exploration through innovative analytical methods.
Professional engagements include:
- Editorial contributions to Earth-Science Reviews
- Invited lectures on compositional data analysis and AI applications in sedimentology
- Principal investigator roles in SELENE-2 lunar mission development


