Geophysical Survey on Open Dumping Landfill for Monitoring Spread of Leachate: A Case Study in Pekanbaru, Riau, Indonesia

Authors

  • Adi Suryadi Department of Geological Engineering, Faculty of Engineering, Universitas Islam Riau, Pekanbaru, Indonesia
  • Frezy Ukhuah Islami Department of Geological Engineering, Faculty of Engineering, Universitas Islam Riau, Pekanbaru, Indonesia
  • Husnul Kausarian Department of Geological Engineering, Faculty of Engineering, Universitas Islam Riau, Pekanbaru, Indonesia
  • Dewandra Bagus Eka Putra Department of Geological Engineering, Faculty of Engineering, Universitas Islam Riau, Pekanbaru, Indonesia

DOI:

https://doi.org/10.25299/jgeet.2020.5.2.5340

Keywords:

Contamination, Groundwater, Landfill, Leachate, Pekanbaru, Resistivity

Abstract

Pekanbaru is a city in Indonesia with high population growth. The increasing amount of the population has a parallel relationship with the increasing quantity of waste disposal. This study has been conducted on an open dumping landfill at Pekanbaru that surrounded by residential areas. Waste disposal produces leachate as a threat to surface water and groundwater resources. This study aims to investigate the contamination spread formed by leachate using the geophysical method. Direct Current Resistivity (DCR) has been used to produce 2 D Resistivity subsurface Models. Data acquisition has been done using multi-electrodes (32 electrodes) with spacing 2 m between electrodes. 2D Resistivity model produced, a contaminant from leachate represented by low resistivity value 26.1 - 870 Ωm. The deepest penetration of leachate that detected is around 3 m from the surface. It has been understood that leachate from the landfill of the study area is not contaminated groundwater yet. It confirmed by groundwater analysis at residential around the landfill area. By knowing the spreading of leachate, preventive action can be made to maintain the quality of groundwater resources.

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Published

2020-06-29

Issue

Vol. 5 No. 2 (2020): JGEET Vol 05 No 02 : June (2020)

Section

Research Articles

License

Copyright @2019. This is an open-access article distributed under the terms of the Creative Commons Attribution-ShareAlike 4.0 International License which permits unrestricted use, distribution, and reproduction in any medium. Copyrights of all materials published in JGEET are freely available without charge to users or / institution. Users are allowed to read, download, copy, distribute, search, or link to full-text articles in this journal without asking by giving appropriate credit, provide a link to the license, and indicate if changes were made. All of the remix, transform, or build upon the material must distribute the contributions under the same license as the original. 

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