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A study of the couple involved are not involved, but the results of the study found that in the corresponding coastal unconfined aquifer, Seawater can be found resting below fresh water because the salt water is more than freshwater density. The area of fresh water and salt water interface called transition zone.

The study's results were not involved, but the study found the same, whether in unconfined coastal aquifer will find seawater, fresh water lies below. Because salty water is denser than fresh water. Area of ​​freshwater and saltwater interface called transition zone.

A study of both not involved, but the results of the study found that in the match, unconfined coastal aquifer will find seawater วางตัวอ below fresh water. Because the brine density than fresh water. The interface of freshwater and estuarine call transition zone.