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