GEOLOGY

Detailed explanation-1: -What Does Zone of Aeration Mean? The zone of aeration is the region between the earth’s surface and the water table. The main components of this region are the soil and rocks. Their pores are at times partly filled with water and air, and aeration occurs when the air and water mix or come into close contact.

Detailed explanation-2: -ZONE OF AERATION: The area of an unconfined aquifer above the water table where the pore spaces among soil particles and rock formations are filled with air.

Detailed explanation-3: -The unsaturated zone. The unsaturated zone (or zone of aeration) is the rock and sediment in which pore spaces contain mostly air and some water and therefore are not saturated.

Detailed explanation-4: -The unsaturated zone, immediately below the land surface, contains water and air in the open spaces, or pores. The saturated zone, a zone in which all the pores and rock fractures are filled with water, underlies the unsaturated zone. The top of the saturated zone is called the water table (Diagram 1).

Detailed explanation-5: -The vadose water is further subdivided into three zones, i.e., soil water zone, intermediate zone and capillary zone.