Hydrogeochemical assessment of groundwater quality along the coastal aquifers of southern Tamil Nadu, India

Chandrasekar, N.; Selvakumar, S.; Srinivas, Y.; Wilson, J. S. John; Peter, T. Simon; Magesh, N.S.

doi:10.1007/s12665-013-2864-3

Cited by 74 publications

(26 citation statements)

References 19 publications

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“…Indeed, even if saltwater intrusion is a common problem for coastal aquifers (Chandrasekar et al, 2014;Han et al, 2014), and moreover in Mediterranean context (Petalas and Lambrakis, 2006;Sivan et al, 2005), no seawater intrusion is detected yet and the aquifer seems to be still protected from over abstraction despite an ever increasing pressure. It is nevertheless necessary to identify and quantify the different components of the local water balance to accurately evaluate the potential of the aquifer as a sustainable water resource in a semi-arid context.…”

Section: Aquifer Hydraulic Conductivity Estimations and Residence Timmentioning

confidence: 99%

Residence time, mineralization processes and groundwater origin within a carbonate coastal aquifer with a thick unsaturated zone

Santoni

Huneau

Garel

et al. 2016

Journal of Hydrology

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This is a PDF file of an unedited manuscript that has been accepted for publication. As a service to our customers we are providing this early version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting proof before it is published in its final form. Please note that during the production process errors may be discovered which could affect the content, and all legal disclaimers that apply to the journal pertain.

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Section: Aquifer Hydraulic Conductivity Estimations and Residence Timmentioning

confidence: 99%

Residence time, mineralization processes and groundwater origin within a carbonate coastal aquifer with a thick unsaturated zone

Santoni

Huneau

Garel

et al. 2016

Journal of Hydrology

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“…The natural chemical quality of groundwater depends on geological as well as geographical arrangement in the region (Chandrasekar et al 2013). Hydrochemical evaluations of groundwater flow systems are generally based on the availability of information on groundwater chemistry (Shuxian 2013).…”

Section: Introductionmentioning

confidence: 99%

Groundwater quality and its suitability for drinking and irrigational use in the Southern Tiruchirappalli district, Tamil Nadu, India

Ramkumar²,

et al. 2014

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A total of 20 groundwater samples were collected from both dug and bore wells of southern Tiruchirappalli district and analyzed for various hydrogeochemical parameters. The analyzed physicochemical parameters such as pH, electrical conductivity, total dissolved solids, calcium, magnesium, sodium, potassium, bicarbonate, carbonate, sulfate, chloride, nitrate, and fluoride are used to characterize the groundwater quality and its suitability for drinking and irrigational uses. The results of the chemical analysis indicates that the groundwater in the study area is slightly alkaline and mainly contains Na ? , Ca 2? , and Mg 2? cations as well as HCO 3 2-, Cl -, SO 4 2-and NO 3 -anions. The total dissolved solids mainly depend on the concentration of major ions such as Ca, Mg, Na, K, HCO 3 , Cl, and SO 4 . Based on TDS, 55 % of the samples are suitable for drinking and rest of the samples are unsuitable for drinking. The total hardness indicates that majority of the groundwater samples are found within the permissible limit of WHO. The dominant hydrochemical facies for groundwater are Ca-Mg-Cl, Ca-HCO 3 , and Ca-Cl type. The USSL graphical geochemical representation of groundwater quality suggests that majority of the water samples belongs to high medium salinity with low alkali hazards. The Gibb's plot indicates that the groundwater chemistry of the study area is mainly controlled by evaporation and rock-water interaction. Spearman's correlation and factor analysis were used to distinguish the statistical relation between different ions and contamination source in the study area.

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“…The use of excessive groundwater in coastal cities has caused seawater intrusion. Seawater intrusion has in turn caused the contamination of groundwater, resulting in decreased quality (Park et al, 2011;Chandrasekar et al, 2013;Jayalakshmi et al, 2014). One of the factors contributing to the use of excessive groundwater is the influence of urbanisation (Onodera et al, 2008;Hastuti and Wardiha, 2011).…”

Section: E Relationship Between Total Income and Proportion Of Grounmentioning

confidence: 99%

The Relationship between Total Income and Groundwater Utilization on Fluviomarine Landform Area in Jakarta

2017

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Abstract. Approximately 40% of Jakarta is below sea level when the tide is in, which is referred to as a fluviomarine landform. This study aims: (a) to analyse the relationship between total income and household water demand, and (b) to analyse the relationship between total income and the proportion of groundwater utilisation. It uses quantitative and qualitative analysis survey methods, as well as sampling methods, to represent the population. The population of this research is comprised of households that use groundwater on land units made from two classes of landform, two classes of settlement pattern, and three classes of settlement density. To determine the 30 wells, samples with proportional random sampling of the land units formed with groundwater samples have been taken at a radius of 100m from each well sample of 110 households. Quantitative and qualitative approaches have been used to prove the research aims. The analysis of this study indicates that the total income is proportional to household water demand but that it is inversely proportional to the share of groundwater utilisation. The results also show that groundwater is not the only source to fulfil household water demand, and that it is necessary to utilise other sources of water.Keywords: Fluviomarine Landform; Water Demand; Groundwater Utilization; Jakarta. Abstrak

show abstract

Hydrogeochemical assessment of groundwater quality along the coastal aquifers of southern Tamil Nadu, India

Cited by 74 publications

References 19 publications

Residence time, mineralization processes and groundwater origin within a carbonate coastal aquifer with a thick unsaturated zone

Residence time, mineralization processes and groundwater origin within a carbonate coastal aquifer with a thick unsaturated zone

Groundwater quality and its suitability for drinking and irrigational use in the Southern Tiruchirappalli district, Tamil Nadu, India

The Relationship between Total Income and Groundwater Utilization on Fluviomarine Landform Area in Jakarta

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