CD Skripsi
Analisis Zona Akuifer Di Kelurahan Sialang Sakti Kecamatan Tenayan Raya Dengan Metode Geolistrik Aturan Wenner-Schlumberger Dan Geokimia
This study aims to analyze the aquifer zone in Sialang Sakti Village, Tenayan Raya District, using the Wenner-Schlumberger configuration geoelectric method and geochemical analysis. The geoelectric method is used to identify the subsurface structure of the land and determine the presence of aquifers based on the resistivity value of the rock. The data obtained were processed using Res2Dinv software to obtain a two-dimensional resistivity model. The results showed that the aquifer is at a depth of 3.75 - 6.38 meters with resistivity values ranging from 58.9 - 4411 Ωm, which is in accordance with the characteristics of water-bearing rocks such as sand and gravel. Geochemical analysis was carried out to assess the quality of groundwater by measuring the parameters of pH, Total Dissolved Solids (TDS), conductivity, and turbidity. The test results revealed that the pH value of groundwater ranged from 3.8 - 6.35 which indicated acidic properties. The TDS value ranged from 31 - 105 mg / L which is still within the safe limit for domestic consumption, although some points showed higher levels. The electrical conductivity of groundwater varies between 64 - 212 µS/cm, indicating a significant dissolved mineral content. Meanwhile, water turbidity is in the range of 0.01 - 1.14 NTU, which at some points exceeds the clean water quality standards. The interpretation results show that the combination of the Wenner - Schlumberger method and geochemical analysis provides a more comprehensive approach to hydrogeological mapping. The information obtained can be used as a basis for planning groundwater resource exploration and identifying potential groundwater pollution. This study also provides insight into the hydrogeological characteristics of the local area and the potential for contamination that can affect groundwater quality, so that it can be a reference in sustainable groundwater resource management in the area.
Keywords: Wenner-Schlumberger, geochemistry, resistivity, groundwater pollution, hydrogeology.
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