Cold region and ice engineering Countermeasures for oil spill in frozen sea and the recovering system Design of a natural gas pipeline under frozen sea Development of Ishikari river navigation system >>Details Ecological and Environmental Engineering in a coastal region Physical and chemical behaviors of sediments in a coastal region Ecological impact of internal waves, wind-induced current and discharged materials from a river >>Detail Coastal fluid dynamics Large-scale organised vortex structure in a surf zone Sizing of bubbles entrained under breaking waves and a formation of the bubble clouds Three-dimensional PTV measurements for solid-liquid two phase flows Turbulent boundary layer flow over ripples Gas-liquid two phase flow under overtopping jets Impact pressure on a structure under plunging jets >>Details