Electronic Theses and Dissertation

The study about geoelectric resistivity was conducted in the volcanic area Krueng Raya, Aceh Besar. The objective this study is to know the resistivity variation and subsurface structures in the study area in 2D resistivity models and to interpret the model. The method used is a 2D geoelectric resistivity pole-dipole configuration, with Terameter ABEM SAS 4000 instrument which have 61 (sixty one) electrodes, consisting of 3 lines. Data processing is using software Res2Dinv. The results indicate that there are conductive and resistive layers for line 1 with resistivity values between 0.1-140 ?m. This value is interpreted as a marine layer of alluvium, rocks saturated with water ?15 ?m resistivity values and bedrock limestone with the resistivity value of 50-140 ?m. In line 2 resistivity values obtained 4-280 ?m and ?m line 3 range 4-140, where there is alluvium with a resistivity of

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