Satoshi Tajima

Research

Nonlinear and chaotic transport dynamics in heterogeneous porous media

不均質多孔質媒体中の非線形・カオス的輸送現象

Time-dependent dispersion — Concentration distributions calculated from the classical macrodispersion model, a new time-dependent dispersion model (formula), and direct particle-tracking simulations (Tajima et al. (2024) AWR )

TED formula — Concentration distributions calculated from the classical macrodispersion model, a new time-dependent dispersion model (formula), and direct particle-tracking simulations (Tajima et al. (2024) AWR )

Lyapunov exponent — Poincaré section and temporal evolution of finite-time Lyapunov exponents (Tajima & Dentz (2025) AWR )

Pathlines — Pathlines illustrating advective particle transport in heterogeneous porous media, with particles released from the land side (red, left) and the sea side (blue, right). (Tajima & Dentz (2025) WRR )

"Time-dependent dispersion coefficients for the evolution of displacement fronts in heterogeneous porous media"
Tajima et al. (2024) Advances in Water Resources
"Transient forcing in heterogeneous aquifers drives solute containment and chaotic mixing"
Tajima & Dentz (2025) Advances in Water Resources
"Tides and heterogeneity drive trapping and chaotic mixing in coastal aquifers"
Tajima & Dentz (2025) Water Resources Research

Flow and transport in the coastal surface-subsurface continuum

沿岸域における地表水ー地下水相互作用と溶質輸送

Storm surge — Schematic of storm surge in the coastal surface–subsurface continuum (Tajima et al. (2025) ESS Open Archive )

Groundwater resources and climate adaptation on small islands

小島嶼における地下水資源評価と気候変動への適応策

Schematic of climate change impacts — Hydrogeological settings of a Pacific Island and projected climate–change impacts (Tajima et al. (2025) ESS Open Archive ; Illustration by Lisa Vogel)