Breathing of coastal vadose zone induced by sea level fluctuations

  title={Breathing of coastal vadose zone induced by sea level fluctuations},
  author={Jiu Jimmy Jiao and Hailong Li},
[1] Tide-induced variations in subsurface air pressure, mainly between 1.0 to 2.0 kPa, are observed in coastal areas in Hong Kong. A two-dimensional model which couples the two-phase air-water flow in unsaturated and saturated zones successfully reproduces the observed air pressure under no rain conditions. The simulation reveals that significant increases in air pressure depend on the tidal rate, not necessarily on the amplitude of the sea level fluctuation. With rainfall, abnormal air… CONTINUE READING
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