Definitions for "Saltwater intrusion"
Intrusion of saltwater into the water table caused by overpumping of water. This lowers the water table below the sealevel causing, thus, the intrusion of sea water into the (fresh) water table.
Movement of salt water into freshwater aquifers in coastal and inland areas as groundwater is withdrawn faster than it is recharged by precipitation.
The invasion of fresh surface water or groundwater by saltwater.