inter-strata phreatic aquifer
phreatic water aquifer in losses area
belt of phreatic fluctuation
coefficient of phreatic evaporation
evaporation of phreatic water with high salinity
foundation pit phreatic water drainage
High phreatic water level
limit depth of phreatic evaporation
net recharge of phreatic water
oxidation zone betwetn phreatic layers
phreatic (water) surface