Question

What is perched water table ?​

Answer 1

Actually, a perched water table (where the water “perches” or gathers) forms at the container soil bottom where the drainage level is, even though it is open at the bottom. This saturated water level is called a water table. ... The water table is the dividing line separating the unsaturated zone from the saturated zone.

Answer 2

PERCHED WATER TABLE :-

Actually, a perched water table (where the water “perches” or gathers) forms at the container soil bottom where the drainage level is, even though it is open at the bottom. This saturated water level is called a water table. ... The water table is the dividing line separating the unsaturated zone from the saturated zone.

CAUSES :-

A perched water table (or perched aquifer) is an aquifer that occurs above the regional water table. This occurs when there is an impermeable layer of rock or sediment (aquiclude) or relatively impermeable layer (aquitard) above the main water table/aquifer but below the land surface.