Generally, the purpose of this research was to evaluate the creep of sea water to floor inserts groundwater in coastal. Which is what happened to encroachments into areas where planning to prevent edit refresh affected areas efficiently. That study, by means of electrical resistance survey in a vertical. 80 points, the survey covers the study and deals come to 47. Surveys point to an output cut widely tended to place the. The West-East direction is perpendicular to the coastline of 4 genres using IPI2WIN data processing and analysis results are described, together with the chemistry of the groundwater samples. The number of students found that 57 wells encroachments of the sea floor sediment fraction to occur in Rock Hill has the average depth in the range of 50-60 meters deep and have a tendency to stay near the coast. The electrical resistance of 5 ohms metres of < stones to absorb water to represent the sea's influence has been high and taken up electric resistance ohms range 5-10 m would represent obtain influence of sea water taken medium. Which found that is consistent with the results of the chemical analysis of groundwater samples. By Jaya group with Piper diagram of water It was found that, for example, water can be divided into 5 categories and group 3 is Ca-Na-HCO3 Group (a group that does not receive the influence of the sea), Ca-Na-HCO3-Cl, Ca-HCO3-Cl and Ca-Na-Cl (the group that received the influence of the small sea) and Na-Cl group, which has been the influence of the sea, and found that the group one at a time.Receive the high sea's influence will have a high electrical charge. When all the analysis results together, it was found that the area of low power with the opposition review shows the effect of the electric conductivity of the water, and the type of water is Na-Cl, which is found in the study area are found the horizon of the sea rather than insert another area is from the shore to an 8 km.
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