Investigation of groundwater resources using electrical resistivity sounding and Dar Zarrouk parameters for Uthal Balochistan, Pakistan

Mahmud, Shaista; Irfan, Muhammad; Nawaz-ul-Huda, Syed; Burke, Farkhunda; Qadir, Anwar

doi:10.1016/j.gsd.2022.100738

Cited by 18 publications

(13 citation statements)

References 31 publications

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“…The lowest ρ L value is recorded at the center of the SW side, with a value of 10 Ωm at VES-03, 04, and 05. From S and ρ L values, it is inferred that the area has good porous lithology of clay and shale along VES-05, 04, and 03 [85][86][87]. The presence of sandstone enhances resistivity due to its compact nature and water content, resulting in maximum ρ L values on the SE and NW sides [87].…”

Section: Statistical Distribution Of Resistivitymentioning

confidence: 96%

Assessment of Potential Potable Water Reserves in Islamabad, Pakistan Using Vertical Electrical Sounding Technique

Rashid,

Kamran,

Zeb

et al. 2023

Hydrology

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This study aimed to investigate the potential reserves of potable water in Islamabad, Pakistan, considering the alarming depletion of water resources. A detailed vertical electrical sounding (VES) survey was conducted in two main localities: Bara Kahu (Area 1) and Aabpara to G-13 (Area 2), based on accessibility, time, and budget constraints. A total of 23 VES measurements were performed, with 13 in Area 1 and 10 in Area 2, reaching a maximum depth of 500 m. Geologs and pseudosections were generated to assess lithological variations, aquifer conditions, and resistivity trends with depth. Statistical distribution of resistivity (SDR), hydraulic parameters, true resistivity, macroanisotropy, aquifer depth and thickness, and linear regression (R2) curves were calculated for both areas, providing insights into the aquifer conditions. The results revealed that the study areas predominantly consisted of sandy lithology as the aquifer horizon, encompassing sandstone, sandy clay, and clayey sand formations. Area 2 exhibited a higher presence of clayey horizons, and aquifers were generally deeper compared to Area 1. The aquifer thickness ranged from 10 m to 200 m, with shallow depths ranging from 10 m to 60 m and deeper aquifers exceeding 200 m. Aquifers in Area 1 were mostly semi-confined, while those in Area 2 were predominantly unconfined and susceptible to recharge and potential contamination. The northwest–southeast side of Area 1 exhibited the highest probability for ground resource estimation, while in Area 2, the northeast–southwest side displayed a dominant probability. The study identified a probable shear zone in Area 2, indicating lithological differences between the northeast and southwest sides with a reverse sequence. Based on the findings, it is recommended that the shallow aquifers in Area 1 be considered the best potential reservoir for water supply. In contrast, deeper drilling is advised in Area 2 to ensure a long-lasting, high-quality water supply. These results provide valuable information for water resource management and facilitate sustainable water supply planning and decision making in Islamabad, Pakistan.

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Section: Statistical Distribution Of Resistivitymentioning

confidence: 96%

Assessment of Potential Potable Water Reserves in Islamabad, Pakistan Using Vertical Electrical Sounding Technique

Rashid,

Kamran,

Zeb

et al. 2023

Hydrology

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“…Daerah pesisir yang umumnya dataran merupakan daerah yang banyak dihuni oleh manusia dan menjadi pusat dari kegiatan sosial dan ekonomi [1]. Pertambahan penduduk yang terus meningkat pada daerah semacam itu menyebabkan meningkatnya kebutuhan akan air bersih untuk kegunaan rumah tangga, pertanian, kegiatan industri dan lain-lain [2,3].…”

Section: Pendahuluanunclassified

“…Gambar 6. Diagram skematik yang memperlihatkan konduktansi longitudinal (bawah) dan resistansi vertikal (atas) (modifikasi [1]).…”

Section: Parameter Dar Zarrouckunclassified

Identifikasi Akuifer Air Tanah Di Kaki Gunung Api Gamalama Pulau Ternate Menggunakan Data Geolistrik Tahanan Jenis 2-Dimensi

Parnadi¹,

Salam²

2022

JFT

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This study aimed to identify the distribution of groundwater aquifers and seawater intrusion at the foot of Mount Gamalama on Ternate Island using 2-dimensional electrical resistivity data. This island has experienced significant eruptions that have caused new deposits to form on its body and have caused the formation of an aquifer layer. Small in size but surrounded by seawater, Ternate Island experiences seawater intrusion at the aquifer zones. We researched using 2-dimensional electrical resistivity techniques on nine lines in the eastern and southern parts of the Island, namely the Bandara, FKIP, PDAM, Kayu Merah, Skep, Lapangan Fitu, Sasa, and Takome lines. Each line has a length of 75 meters to 230 meters. This measurement was carried out in the direction parallel to the shoreline using two electrode configurations: the Wenner and the Wenner-Schlumberger. Electrode spacing was 10m. The results showed that aquifer zones with a resistivity value of 10 – 150 Ohm.m exist in the eastern and southern parts of the island. We found seawater intrusion in the east part of the island on the PDAM lines with a resistivity value of 1 – 10 Ohm.m. The zones show high conductance values in the low resistivity range of 3.01 to 3.41 Ohms. Visual evidence reveals that this PDAM line locates at the beach, where Ternate inhabitants utilize groundwater excessively through dug wells.

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“…The prevention and control of groundwater degradation are crucial for effective management due to the complicated nature of the degradation process and the expensive nature of its treatment (Salahu Mohammed Hamza et al 2014;Sudharshan et al 2022). Also, assessing groundwater quality and potential is critical for sustainable development (Mahmud et al 2022;Das and Saha 2022;Azizpour et al 2021;Sudharshan et al 2022). Hence, assessing areas vulnerable to groundwater pollution has become an indispensable and effective management tool for groundwater preservation.…”

Section: Introductionmentioning

confidence: 99%

Groundwater vulnerability to pollution assessment: an application of geospatial techniques and integrated IRN-DEMATEL-ANP decision model

Chukwuma

Okonkwo

Afolabi

et al. 2023

Environ Sci Pollut Res

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This study evaluated the susceptibility to groundwater pollution using a modified DRASTIC model. A novel hybrid multi-criteria decision-making (MCDM) model integrating Interval Rough Numbers (IRN), Decision Making Trial and Evaluation Laboratory (DEMATEL), and Analytical Network Process (ANP) was used to investigate the interrelationships between critical hydrogeologic factors (and determine their relative weights) via a novel vulnerability index based on the DRASTIC model. The flexibility of GIS in handling spatial data was employed to delineate thematic map layers of the hydrogeologic factors and to improve the DRASTIC model. The hybrid MCDM model results show that net recharge (a key hydrogeologic factor) had the highest priority with a weight of 0.1986. In contrast, the topography factor had the least priority, with a weight of 0.0497. A case study validated the hybrid model using Anambra State, Nigeria. The resultant vulnerability map shows that 12.98% of the study area falls into a very high vulnerability class, 31.90% falls into a high vulnerability, 23.52% falls into the average vulnerability, 21.75% falls into a low vulnerability, and 9.85% falls into very low vulnerability classes, respectively. In addition, nitrate concentration was used to evaluate the degree of groundwater pollution. Based on observed nitrate concentration, the modified DRASTIC model was validated and compared to the traditional DRASTIC model; interestingly, the spatial model of the modified DRASTIC model performed better. This study is thus critical for environmental monitoring and implementing appropriate management interventions to protect groundwater resources against indiscriminate sources of pollution.

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Investigation of groundwater resources using electrical resistivity sounding and Dar Zarrouk parameters for Uthal Balochistan, Pakistan

Cited by 18 publications

References 31 publications

Assessment of Potential Potable Water Reserves in Islamabad, Pakistan Using Vertical Electrical Sounding Technique

Assessment of Potential Potable Water Reserves in Islamabad, Pakistan Using Vertical Electrical Sounding Technique

Identifikasi Akuifer Air Tanah Di Kaki Gunung Api Gamalama Pulau Ternate Menggunakan Data Geolistrik Tahanan Jenis 2-Dimensi

Groundwater vulnerability to pollution assessment: an application of geospatial techniques and integrated IRN-DEMATEL-ANP decision model

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