Investigation of groundwater potential zones in hard rock terrains along EGMB, India, using remote sensing, geoelectrical and hydrological parameters

Rao, Palavai Venkateswara; Subrahmanyam, M. B.; Raju, B Anand

doi:10.1007/s11600-022-00916-2

Cited by 6 publications

(6 citation statements)

References 25 publications

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“…The anisotropy of rocks can be caused by their fracturing or metamorphism, as well as the presence of disseminated ore grains. Lower values of λ are associated with high aquifer potential zones, according to recent studies by Venkateswara et al (2022), Suneetha et al (2021), andShailaja et al (2019).…”

Section: Introductionmentioning

confidence: 73%

“…The higher values of transverse resistance (T) are used to study the variations in the thickness of high resistivity material, while lower values of T provide information about the weathering nature of the rocks (Venkateswara et al 2022;Sri and Singhal, 1981). The parameters ρl and ρt are used to calculate the coefficient of anisotropy (λ).…”

Section: Total Transverse Resistancementioning

confidence: 99%

“…Based on the aquifer transmissivity values, all locations are classified according to the groundwater potential classification provided by Offodile (1983) and Venkateswara et al (2022) into categories of good, moderate, low, very low, and negligible groundwater potential (Table 7 and Fig ) have an aquifer thickness greater than 30 m, which makes them suitable for yielding a significant quantity of groundwater. The remote sensing analysis revealed that a long (9.6 km) lineament on the eastern side of the study area, oriented in the NNE-SSW direction, is located in a pediment-pediplain complex zone, characterized by a good (>30 m) thickness of the aquifer and deeper basement depth.…”

Section: Hydro-geological Parametersmentioning

confidence: 99%

“…The Dar-Zarrouk (D-Z) parameters were first introduced by Maillet (1947) to address the issue of non-uniqueness in the interpretation of resistivity sounding curves in geoelectrical methods. These parameters are widely used to estimate aquifer parameters such as hydraulic conductivity and transmissivity (Ankidawa et al 2019;Siva and Marykutty, 2019;Venkateswara et al 2022) in porous media (e.g. alluvium formation) and fracture media (e.g.…”

Section: Introductionmentioning

confidence: 99%

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Estimating aquifer transmissivity using Dar-Zarrouk parameters to delineate groundwater potential zones in Alluri Seetharama Raju District, Andhra Pradesh, India

Raju¹,

Rao²,

Subrahmanyam³

2023

Journal of Groundwater Science and Engineering

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This study aimed to explore groundwater potential zones in the EGMB of Alluri Seetharama Raju district, Andhra Pradesh, India, for drinking and agriculture purposes. To achieve this goal, 72 Vertical Electrical Soundings (VES) were conducted using the Schlumberger electrode configuration. The resistivity sounding data were analyzed to determine the aquifer thickness, basement depth, Dar-Zarrouk parameters, and aquifer transmissivity. Spatial distribution maps were generated for these parameters to understand the subsurface formation. The analysis revealed a linear groundwater potential zone (8.46 km 2 ) in the eastern part of the study area, extending in the NNE-SSW direction for 9.6 km. Six VES locations (P24, P27, P29, P30, P33, and P38) in this zone exhibit good potential (>30 m aquifer thickness), while the three VES locations (OP19, P5, and P46) in the central region are recommended for drilling bore wells. Additionally, moderate aquifer thickness (20-30 m) are identified in other VES locations (OP14, OP20, P4, P10, P12, P13, P15, P17, P18, P31, P46, and P50) along streams in the western and central part of the area, which can yield reasonable quantities of water. This information is useful for groundwater exploration and watershed management to meet the demands of tribal population in the study area.

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Section: Introductionmentioning

confidence: 73%

Section: Total Transverse Resistancementioning

confidence: 99%

Section: Hydro-geological Parametersmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Estimating aquifer transmissivity using Dar-Zarrouk parameters to delineate groundwater potential zones in Alluri Seetharama Raju District, Andhra Pradesh, India

Raju¹,

Rao²,

Subrahmanyam³

2023

Journal of Groundwater Science and Engineering

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“…Dar Zarrouk parameters are widely used in the hydrogeological investigation (Ait Bahammou et al 2021;Asfahani and Al-Fares 2021;Gaikwad et al 2021;Oli et al 2021;George et al 2022;Tepoule et al 2022). For instance, Rao et al (2022) combined remote sensing and Dar Zarrouk parameters to estimate the aquifer characteristics in basement terrains where fractures and weathering profiles are the only water-bearing formations. Nugraha et al (2022) calculated Dar Zarrouk parameters to delineate the potential zones of groundwater based on the vertical electrical sounding data.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the Nubian aquifer characteristics by combining geoelectrical and pumping test methods in the Omdurman area, Sudan

Mohammed

Szabó

Szűcs

2023

Model. Earth Syst. Environ.

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The recent research is carried out to model the characteristics and productivity of the groundwater aquifer in the Omdurman area, Sudan, by combining electrical resistivity and pumping test methods. Omdurman is the most populous city known as the traditional capital of Sudan. Vertical electrical sounding (VES) survey using Schlumberger array is carried out along four profiles to delineate the potential groundwater zones. Application of 1D geophysical inversion revealed five geoelectric layers, including recent deposits, clay, silicified and ferruginous sandstone, and sandstone. Additionally, based on the outcome of VES inversion, Dar Zarrouk parameters, including transverse resistance and longitudinal conductance, were calculated to model the aquifer characteristics. The transverse resistance ranged from 5587 to 309,853 Ωm2, while the longitudinal conductance varied between 0.14 and 2.5 Ω−1. The hydraulic conductivity and transmissivity are further measured using the VES data, ranging from 1.4 to 5.2 m/d and 435 to 1564 m2/day, respectively. The step-drawdown pumping tests were performed to evaluate the aquifer characteristics and thus validate the result of the geoelectrical method. The transmissivity obtained from the step test varied between 583 and 1226 m2/day, showing an acceptable agreement with those of geoelectrical data. Based on the measured parameters, the aquifer is classified as highly productive and ideal for groundwater development. The step drawdown test was further used to assess the performance of groundwater wells. The results indicated that faulty well design and inappropriate pumping rates influence some wells in the study area, resulting in high drawdown and low well efficiency. Overall, the objectives of the study were successfully achieved; nonetheless, detailed hydrogeological and geophysical investigations are recommended for comprehensive evaluation of the groundwater aquifer.

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Geophysical estimation of 2D hydraulic conductivity for groundwater assessment in hard rock

Gao,

Hasan,

Shang

et al. 2024

Acta Geophys.

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Investigation of groundwater potential zones in hard rock terrains along EGMB, India, using remote sensing, geoelectrical and hydrological parameters

Cited by 6 publications

References 25 publications

Estimating aquifer transmissivity using Dar-Zarrouk parameters to delineate groundwater potential zones in Alluri Seetharama Raju District, Andhra Pradesh, India

Estimating aquifer transmissivity using Dar-Zarrouk parameters to delineate groundwater potential zones in Alluri Seetharama Raju District, Andhra Pradesh, India

Assessment of the Nubian aquifer characteristics by combining geoelectrical and pumping test methods in the Omdurman area, Sudan

Geophysical estimation of 2D hydraulic conductivity for groundwater assessment in hard rock

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