Geo-electrical approach to determine the lithological contact and groundwater quality along the KT boundary of Tamilnadu, India

Chidambaram, S.; Panda, Banajarani; Thivya, C.; Thilagavathi, R.; Ganesh, N.

doi:10.1007/s40808-018-0424-2

Cited by 17 publications

(6 citation statements)

References 21 publications

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“…In the diamond eld represents the abundance of the water type in the study area is in the order of Ca-HCO 3 > mixed Ca-Mg-Cl > Ca-Cl > Ca-Na-HCO 3 > Na-Cl (Fig 10). 49% of samples falls in Ca-HCO 3 facies representing recharge zone and mainly in uenced by the rock water interaction processes (Bricker et al 2003;Devaraj et al 2018). Followed by that 32 % of samples represented in mixed Ca-Mg-Cl and 8.3% of samples in Ca-Cl facies indicating the transition zone and in uenced by irrigation process due to agricultural activities and other anthropogenic fractors like quarries and crackers industries (Thilagavathi et al2016;Devaraj et al 2018).…”

Section: Hydrogeochemical Evaluation From Piper Diagrammentioning

confidence: 99%

“…49% of samples falls in Ca-HCO 3 facies representing recharge zone and mainly in uenced by the rock water interaction processes (Bricker et al 2003;Devaraj et al 2018). Followed by that 32 % of samples represented in mixed Ca-Mg-Cl and 8.3% of samples in Ca-Cl facies indicating the transition zone and in uenced by irrigation process due to agricultural activities and other anthropogenic fractors like quarries and crackers industries (Thilagavathi et al2016;Devaraj et al 2018). 8% samples shows the Ca-Na-HCO 3 facies and 2.7 % of samples represented in Na-Cl eld indicating the dissolution and anthropogenic impact (Krishnakumar et al2016).…”

Section: Hydrogeochemical Evaluation From Piper Diagrammentioning

confidence: 99%

“…The chemical characteristics of groundwater is mainly processed by natural and anthropogenic factors (Garcia et al 2001;Nur et al 2011;Fakir et al 2002;Kim et al 2005). Recent researchers are more concern on the hydrogeochemical studies (Chidambaram et al 2011, Thilagavathi et al 2012, Thilagavathi et al 2020Kumaresan and Riyazuddin 2006;Thivya et al 2013;Adithya et al 2016 Tatawat andSingh 2008;Panda et al 2017;Semwal and Jangwan 2009;Dinesh and Singh 2010;Biswajeet and Saied 2011;Senthil et al 2014;Devaraj et al 2018). The groundwater quality and its movements is dependent on the properties of nearby lithology and also by the varies activities by the human (Jayaalakshmi et al 2012).…”

Section: Introductionmentioning

confidence: 99%

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Geochemical characterization of groundwater and water quality assessment for sustainable management of hard rock aquifer in South India

Madasamy¹,

Thilagavathi²,

Nagappan³

et al. 2021

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Hydrogeochemical investigation was carried out in groundwater of Virudhunagar district, Tamil Nadu, India. Geologically the study area is occupied with Archaean, Charnockite, Unclassified Genesis and Pleistocene Laterite formations. A total of 72 groundwater samples were collected spatially during North East Monsoon (NEM) in 2019 based upon the coverage of geological formations. The collected samples were studied for different physio-chemical parameters like pH, TDS and EC, major cations (Ca, Mg, Na, K) and major anions (Cl, HCO3, SO4, PO4). EC and TDS ranges from 273 to 5869 mg/L and 194 to 4159 mg/L. The ionic dominance of the hydrochemical parameters follows in the order of Na > Ca > Mg > K and Cl > HCO3 > SO3 > PO4. The data represents two major hydrogeochemical facies of Ca-HCO3 and mixed Ca-Mg-Cl in the study region. The USSL classifications of samples signifies low alkali hazard and high to very high salinity hazard. The higher concentration of TDS and EC in the samples reflects the unsuitability of groundwater. According to the WHO drinking water quality standards and the value of SAR, RSC, Na% reflects the groundwater in the study region is more suitable for irrigation than drinking purpose. The statistical method also adopted to understand the major factors influencing the variation in hydrochemistry of the region. Weathering, leaching of salts and anthropogenic activities were identified to be the key governing factor in the varied groundwater chemistry of this region.

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Section: Hydrogeochemical Evaluation From Piper Diagrammentioning

confidence: 99%

Section: Hydrogeochemical Evaluation From Piper Diagrammentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Geochemical characterization of groundwater and water quality assessment for sustainable management of hard rock aquifer in South India

Madasamy¹,

Thilagavathi²,

Nagappan³

et al. 2021

Preprint

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“…Early stage of geophysical studied for groundwater has been traced back to unconsolidated alluvial and semi-consolidated sedimentary tracts. Lately, greater significance is given to the investigation of subsurface water in hard rock and sedimentary regions, like the present study area (Deepa et al, 2016;Devaraj et al, 2018). The occurrence of pore water in subsurface soil, porosity and salinity of the water isused to delineate resistivity and its corresponding thickness in different layer/zones (Gopinath et al, 2015;Kayode et al, 2016;Mehmood et al 2020).…”

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confidence: 92%

Pore resistivity variation by Resistivity imaging technique in sedimentary part of main Gadilam river basin, Cuddalore District, Tamil Nadu, India

Ravi

Aravindan

Ramachandran

et al. 2021

JANS

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Electrical resistivity is the only property of physics which give information of subsurface moisture content in the formation, Hence geophysical electrical resistivity survey was carried out to investigate the nature of shallow subsurface formations and geological contact in the main Gadilam river basin of Cuddalore District in Tamil Nadu. Twenty-seven vertical electrical soundings (VES) were conducted by Schlumberger configuration in the basin. Data is interpreted by curve matching techniques using IPI2 WIN software, layer parameters like apparent resistivity (?a) and thickness (h) interpretation were exported to Geographic Information System (GIS). Interpretation distinguishes three major geoelectric layers like topsoil, sandy clay layer, clayey sand layer along the contact zone in the basin. Interpreted VES sounding curves are mostly four-layer cases of QH, H, HA and KH type. Investigation demarcates lithology of subsurface and hydrogeological set up by employing maximum possible electrode sounding to infer saline water and freshwater occurrence based on resistivity signals. Zone of groundwater potential map was prepared with the combination of resistivity (?= ?1+ ?2+ ?3+ ?4) and corresponding thickness (T= T1+T2+T3+T4). High resistivity value of >200 ? m and low resistivity value of <10 ? m show the occurrence of alkaline and saline water within the formation aquifers as a result of possible rock water interaction and saline water dissolution. Four-layer resistivity cases from the matched curve (namely KH, AH, QA, and KA type) show the resistivity distribution/variation. It separates the freshwater depth wish from 1 to 140 ? m in fluvial sediments. Flood basin, sandstone and clay layer with low resistivity value of 3.16 - 7.5 ? m indicates contact with saline and freshwater aquifer. The Iso – resistivity map delineates saline water and freshwater zones with in the fourth layer cases in the same locations to indicate the irrational way of abstracting groundwater, resulting in saltwater ingress.

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“…The relationship between the regional lithology, groundwater quality, characteristics of the soil and rock masses present along the pathway of groundwater and its saturation zone has been studied by many researches [12][13][14][15][16][17][18][19][20][21][22][23][24]. The association of geo-physical approach to determine the lithological contact and groundwater quality has been studied by [25][26][27]. There are various complications for the accessibility of groundwater in hard rock [28,29].…”

Section: Introductionmentioning

confidence: 99%

Assessment of seasonal groundwater quality using CHIDAM software in Virudhunagar district of Tamil Nadu.

Senthilkumar

Ganesh

Chidambaram

et al. 2021

ijceae

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Hard rock aquifer is the most predominant in the southern peninsula exclusively in Tamil Nadu, India. Virudhunagar district is situated in the South west part of Tamil Nadu, mostly of hard rock topography. Groundwater plays a major role in this area contributing to domestic, irrigation and industrial practices. Running down of groundwater by extreme consumption and less recharge in the study area has reduced the level of groundwater. On the other hand, intensive domestic, agriculture and industrial practices impacts the quality of quality of groundwater as well. Hydro geochemistry plays an important role in evaluation of suitability of groundwater for its usage in several purposes. A total of 72 samples from North East Monsoon (NEM) and Post Monsoon (POM) has been analyzed hydrochemically. The irrigation quality parameters such as sodium adsorption ratio (SAR), %Na, Residual Sodium Carbonate (RSC), Kelley’s index and Magnesium hazard were calculated using CHIDAM software 2020 in conjunction with USSL and Doneen diagrams. During NEM, EC and TDS ranges from 273 to 5869 mg/L and 194 to 4159 mg/L and during POM is from 235 to 6850 mg/L and 233.8 to 6916 mg/L. The hydrogeochemical facies represents that Ca-HCO3 and mixed Ca-Mg-Cl facies are predominant during NEM and Na-Cl and mixed Ca-Mg-Cl are predominant during POM. The higher concentration of TDS and EC in the samples reflects the unsuitability of groundwater in both seasons.

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Geo-electrical approach to determine the lithological contact and groundwater quality along the KT boundary of Tamilnadu, India

Cited by 17 publications

References 21 publications

Geochemical characterization of groundwater and water quality assessment for sustainable management of hard rock aquifer in South India

Geochemical characterization of groundwater and water quality assessment for sustainable management of hard rock aquifer in South India

Pore resistivity variation by Resistivity imaging technique in sedimentary part of main Gadilam river basin, Cuddalore District, Tamil Nadu, India

Assessment of seasonal groundwater quality using CHIDAM software in Virudhunagar district of Tamil Nadu.

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