In the end, the area used to be a freshwater becomes all the salty water. The problem of sea water taken is an important environmental problems that affect the groundwater resources.
Eventually the area was once a freshwater lagoons all. The encroachment of the sea is one of the important environmental issues that affect groundwater resources is enormous.
Finally, the area used to be freshwater will become brine. Problems of seawater intrusion is one of the most important environmental problems that affect groundwater resources greatly.