Jurnal Ilmu Lingkungan
Vol 21, No 2 (2023): April 2023

Identification of the Distribution of Leachate in the TPA Terjun, Medan Marelan District, Medan City using the Resistivity 2D Method

Said Muzambiq (University of North Sumatra, Jalan Dr. T. Mansur No.9, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara 20222)
Amir Husin (University of North Sumatra, Jalan Dr. T. Mansur No.9, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara 20222)
Meutia Nurfahasdi (University of North Sumatra, Jalan Dr. T. Mansur No.9, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara 20222)
Roy Monald Dongoran (University of North Sumatra, Jalan Dr. T. Mansur No.9, Padang Bulan, Kec. Medan Baru, Kota Medan, Sumatera Utara 20222)



Article Info

Publish Date
05 Apr 2023

Abstract

The 2D resistivity method can provide a more detailed subsurface picture, including the distribution of resistivity values in both vertical and horizontal sections. The results of the geoelectric test show that the leachate distribution in Track I (First) is at a track length of 28 meters – 84 meters, a depth of 13 meteras – 17.4 meters with a resistivity value of 2.18 m, Track II (Scond) is at a track length of 7 meters. – 140 meters, 8.93 meters deep – 13.4 meters with a resistivity value of 2.95 m, and Track III (Third) along 80 meters – 110 meters, the depth of The Wenner configuration uses the geoelectrical resistivity method, with a leachate resistivity value of 0, 5 – 5 m is expected to identify the distribution of leachate in the measurement path. The results of the geoelectric test show that the leachate distribution in Track I is at a track length of 28 meters – 84 meters, a depth of 13 meters – 17.4 meters with a resistivity value of 2.18 m, Track II is at a track length of 7 meters. – 140 meters, a depth of 8.93 meters – 13.4 meters with a resistivity value of 2.95 m, and Track III at a length of 80 meters – 110 meters, a depth of 13 meters – 17.4 meters with a resistivity value of 0.807 m. This distribution is also influenced by drainage, soil elevation, soil type, and landfill management in sites city of Medan is the TPA Terjun.

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