CD Skripsi
Interpretasi Lapisan Bawah Permukaan Dengan Menggunakan Metode Geolistrik Konfigurasi Wenner Dan Uji Geokimia Studi Kasus Tpa Muara Fajar Rumbai
Water is a problem for residents around the Muara Fajar Rumbai Final Processing Site (TPA). This study aims to identify the depth of the subsurface structures around the Muara Fajar TPA area using the Wenner configuration geoelectric method and determine the water quality in the residents' wells around the TPA. The data obtained in the acquisition process are used to calculate the apparent resistivity value at each measurement point and are analyzed quantitatively and qualitatively. The process is continued with an inversion using res2 dinv so that the resistivity and layer thickness values are obtained at each measurement point. The measurement results on line 1 get a range of resistivity values ranging from 62.9 Ωm-171 Ωm, and get a depth value of 0-2 m and line 2 get a range of resistivity values ranging from 32.4 Ωm-70.6 Ωm, and get a depth value of 0-5 m. The underground water taken is the well water of the residents in the study area as many as 5 sample points using GPS. This underground water sample will be tested with parameters such as pH, TDS, BOD, COD, NH3 and Turbidity. Ground water cannot yet be consumed, this refers to the results of water quality tests which refer to the Regulation of the Minister of Health of the Republic of Indonesia. The pH obtained in all groundwater samples is < 6,5 or standard quality standards. TDS, NH3, and turbidity parameters have values in accordance with quality standards.
Keywords: Subsurface, depth, geoelectrics, Wenner configuration, geochemistry, water quality.
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