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The Water Table.

The term Piezometric, or sometimes Potentiometric, Surface occurs in literature on hydrology but describes an artificial level in a well or borehole, used for measuring the aquifer.

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What do you call the boundary between the aeration zone and the saturation sones?

It is called the water table or phreatic surface.


What is the name of the top surface of the zone of saturation?

the zone of aeration


What is the area between the zone of saturation and the zone of aeration what is it called?

The area between the zone of saturation and the zone of aeration is called the capillary fringe. In this zone, water is held in the soil pores by capillary action, and it serves as a transition area where both air and water coexist. Above the capillary fringe lies the zone of aeration, which contains mostly air and some moisture.


Which is the layer underground where there are no empty spaces for a water or air to fill in?

Impermeable Rock


What is the aquifer zone that lies between the water table and the surface called?

aeration zone


What boundary is between the zone of aeration and zone of saturation?

The zone of aeration is where there is both air and water within the pore spaces in the ground. In the zone of saturation the pore spaces are totally filled with water. The boundary between these two zones is known as the water table or phreatic surface.


What is the upper surface of the zone of saturation where all the pores of filled with water called?

The upper surface of the zone of saturation where all the pores are filled with water is called the water table. This is the boundary between the saturated zone below and the unsaturated zone above, where the soil or rock is not fully filled with water.


Where does aeration and saturation zones meet?

The aeration and saturation zones meet at the water table, which is the boundary between the unsaturated zone (aeration zone) and the saturated zone. Below the water table, all pore spaces in the soil are filled with water, while above the water table there are air and water-filled pore spaces.


What is is the upper boundary of the zone of saturation called?

This is known as the phreatic surface or water table.


What is the aquifer zone that lies between the water table and earths surface called?

The aquifer zone that lies between the water table and Earth's surface is called the unsaturated zone or vadose zone. This zone contains soil and rock layers where pores are not completely filled with water, allowing for the movement of both water and air.


What is the area immediately below the water table?

The area immediately below the water table is called the zone of saturation. This zone is where spaces between soil and rock particles are filled with water. Groundwater is found in this zone and can be extracted through wells.


What is it called when the ground can no longer hold water?

When the ground can no longer hold water, it is called saturation. This occurs when the soil is unable to absorb any more water due to saturation and excess water pools on the surface or runs off.