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Budianto, Geri
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Education Physics

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Journal : Indonesian Physical Review

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THE LITHOLOGY OF FLOOD PRONE AREAS USING THE VERTICAL ELECTRICAL SOUNDING (VES) METHOD Sinaga, Jesika Erni ELfrita; Budianto, Geri; Pritama, Vinki Loverly; Suhendra, Suhendra
Indonesian Physical Review Vol. 6 No. 1 (2023)
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/ipr.v6i1.209

Abstract

Rock lithology modeling of flood-prone areas has been carried out using the Vertical Electrical Sounding (VES) method in Rawa Makmur village, Bengkulu city. Field data acquisition using a stretch length of 160 with the MAE X612-EM Geoelectric tool forming a straight line. VES method, using Excel software for resistivity variations with depth and Progress lithology modeling. This research aims to determine the subsurface condition of flood-prone areas and the characteristics of rocks that make up flood-prone areas. The results of this study can be concluded that the Rawa Makmur village is dominated by sand (0,2-50 Ωm), silty sand (1-35 Ωm), gravel sand (20-150 Ωm) and clay (65-250 Ωm) at several points. VES 1, VES 2, VES 3, VES 4, VES 5, VES 8, and VES 9 have a shallow water table of 1-10 meters, close to the Rawa Makmur river and have a rock structure that is saturated with water so that it cannot absorb moisture on the surface and becomes a flood puddle. The characteristics of rocks that make up flood-prone areas are porous stones such as sand and gravel saturated with water. Sites that are not prone to flooding in the Rawa Makmur village at points VES 6 and VES 7 are dominated by the rock structure of sand (20-65 Ωm), gravel sand (100-200 Ωm), and dry gravel (100-1000 Ωm).
Co-Authors Pritama, Vinki Loverly Sinaga, Jesika Erni ELfrita Suhendra Suhendra