Groundwater quality and hydrogeochemical properties of Torbalı Region, Izmir, Turkey

Tayfur, Gökmen; Kirer, Tugba; Baba, Alper

doi:10.1007/s10661-007-0068-6

Cited by 39 publications

(17 citation statements)

References 15 publications

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“…Therefore, it is necessary to subject the water to routine quality analyses to assess its suitability for human consumption. The groundwater chemistry could have important information on the suitability of the groundwater for domestic, industrial and agricultural purposes, and its contamination has been recognized as one of the most serious problems in the world (Adams et al 2001;Jalali 2007, 2009, Djabri et al 2007Wen et al 2008;Giridharan et al 2008;Khazaei et al 2006;Tayfur et al 2008;Anku et al 2009;Trabelsi et al 2009Trabelsi et al , 2011Rouabhia et al 2009;Fehdi et al 2009). Groundwater chemistry depends on a number of factors such as general geology, degree of chemical weathering of the various rock types, quality of recharge water, and inputs from sources other than waterrock interaction.…”

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confidence: 99%

Suitability assessment of deep groundwater for drinking and irrigation use in the Djeffara aquifers (Northern Gabes, south-eastern Tunisia)

et al. 2013

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The multilayered Djeffara aquifer system, south-eastern Tunisia, has been intensively used as a primary source to meet the growing needs of the various sectors (drinking, agricultural and industrial purposes). The analysis of groundwater chemical characteristics provides much important information useful in water resources management. Detailed knowledge of the geochemical evolution of groundwater and assessing the water quality status for special use are the main objective of any water monitoring study. An attempt has been made for the first time in this region to characterize aquifer behavior and appreciate the quality and/or the suitability of groundwater for drinking and irrigation purposes. In order to attend this objective, a total of 54 groundwater samples were collected and analyzed during January 2008 for the major cations (sodium, calcium, magnesium and potassium), anions (chloride, sulfate, bicarbonate), trace elements (boron, strontium and fluoride), and physicochemical parameters (temperature, pH, total dissolved salts and electrical conductivity). The evolution of chemical composition of groundwater from recharge areas to discharge areas is characterized by increasing sodium, chloride and sulfate contents as a result of leaching of evaporite rock. In this study, three distinct chemical trends in groundwater were identified. The major reactions responsible for the chemical evolution of groundwater in the investigated area fall into three categories: (1) calcite precipitation, (2) gypsum and halite dissolution, and (3) ion exchange. Based on the physicochemical analyses, irrigation quality parameters such as sodium absorption ratio (SAR), percentage of sodium, residual sodium carbonate, residual sodium bicarbonate, and permeability index (PI) were calculated. In addition, groundwater quality maps were elabortaed using the geographic information system to delineate spatial variation in physico-chemical characteristics of the groundwater samples. The integration of various dataset indicates that the groundwater of the Djeffara aquifers of the northern Gabes is generally very hard, brackish and high to very high saline and alkaline in nature. The water suitability for drinking and irrigation purposes was evaluated by comparing the values of different water quality parameters with World Health Organization (WHO) guideline values for drinking water. Piper trilinear diagram was constructed to identify groundwater groups where the relative major anionic and cationic concentrations are expressed in percentage of the milliequivalent per liter (meq/l), and it was demonstrated that the majority of the samples belongs to SO 4 -Cl-Ca-Na, Cl-SO 4 -Na-Ca and Na-Cl hydrochemical facies. As a whole, all the analyzed waters from this groundwater have revealed that this water is unsuitable for drinking purposes when comparing to the drinking water standards. Salinity, high electric conductivity, sodium adsorption ratio and sodium percentages indicate that most of the groundwater samples are inappropriate for ir...

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confidence: 99%

Suitability assessment of deep groundwater for drinking and irrigation use in the Djeffara aquifers (Northern Gabes, south-eastern Tunisia)

et al. 2013

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“…The waste disposal site of the region, which is near a farm, has not been designed properly, so contaminants may have been infiltrating into the groundwater (Tayfur et al 2008;Şimşek et al 2008). …”

Section: Industrial Wastesmentioning

confidence: 99%

“…Due to its rapid industrialization and urbanization, it is recorded that domestic, hospital, and industrial wastes have become a threat to groundwater in most parts of Turkey (Aslan and Akkaya 2001;Afşin 1997;Baba and Ayyıldız 2006;Baba and Ármannsson 2006;Ekmekçi 2005;Ekmekçi and Günay 1997;Elhatip 1997;Gemici 2008;Karagüzel et al 1999; Fig. 1 The map of Turkey Kaçaroglu 1999;Kalavrouziotis and Alaton 2008;Tayfur et al 2008;Yazıcıgil et al 2009). …”

Section: Introductionmentioning

confidence: 99%

Groundwater contamination and its effect on health in Turkey

Baba

Tayfur

2011

Environ Monit Assess

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The sources of groundwater pollution in Turkey are identified, and pathways of contaminants to groundwater are first described. Then, the effects of groundwater quality on health in Turkey are evaluated. In general, sources of groundwater contamination fall into two main categories: natural and anthropogenic sources. Important sources of natural groundwater pollution in Turkey include geological formations, seawater intrusion, and geothermal fluid(s). The major sources of anthropogenic groundwater contamination are agricultural activities, mining waste, industrial waste, on-site septic tank systems, and pollution from imperfect well constructions. The analysis results revealed that natural contamination due to salt and gypsum are mostly found in Central and Mediterranean regions and arsenic in Aegean region. Geothermal fluids which contain fluoride poses a danger for skeleton, dental, and bone problems, especially in the areas of Denizli, Isparta, and Aydın. Discharges from surface water bodies contaminate groundwater by infiltration. Evidence of such contamination is found in Upper Kızılırmak basin, Gediz basin, and Büyük Melen river basin and some drinking A. Baba (B) · G. Tayfur Department of Civil Engineering, Izmir Institute of Technology, Urla,İzmir, Turkey e-mail: alperbaba@iyte.edu.tr water reservoirs inİstanbul. Additionally, seawater intrusion causes groundwater quality problems in coastal regions, especially in the Aegean coast. Industrial wastes are also polluting surface and groundwater in industrialized regions of Turkey. Deterioration of water quality as a result of fertilizers and pesticides is another major problem especially in the regions of Mediterranean, Aegean, Central Anatolia, and Marmara. Abandoned mercury mines in the western regions of Turkey, especially in Çanakkale,İzmir, Mugla, Kütahya, and Balıkesir, cause serious groundwater quality problems.

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“…From anthropogenic perspective, fundamental causes of groundwater pollution are leaked sewage, seawater intrusion, industrial wastewater and fertilizer. Natural causes, on the other hand, encompass geology and geochemical processes, weathering, precipitation, temperature etc [1] [2] [3].…”

Section: Introductionmentioning

confidence: 99%

Groundwater Quality Assessment Based on WQI and Its Vulnerability to Saltwater Intrusion in a Coastal City, Iran

Tavassoli¹,

Mohammadi²

2017

GEP

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The purpose of this paper was to assess the quality of groundwater in Behshahr (Iran) based on water quality index (WQI). Sixteen water samples from this coastal aquifer were collected and analyzed to study physico-chemical parameters such as pH, hardness, chloride (Cl), electrical conductivity (EC) and total dissolved solids (TDS). The results showed that the annual average of TDS value increased by 343 mg/l between 1999 and 2015 due to anthropogenic activities. According to WQI, it was concluded that the groundwater quality degraded over the last sixteen-year period so that the percentage of samples identified as "good water" decreased by 18.5% and on the other hand, alas, the percentage of "poor water" quality soared by nearly 12.5%. Correspondence of WQI distribution diagram with that of chloride-bicarbonate ratio attests to the significant contribution of saltwater intrusion to groundwater quality deterioration in this area.

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Groundwater quality and hydrogeochemical properties of Torbalı Region, Izmir, Turkey

Cited by 39 publications

References 15 publications

Suitability assessment of deep groundwater for drinking and irrigation use in the Djeffara aquifers (Northern Gabes, south-eastern Tunisia)

Suitability assessment of deep groundwater for drinking and irrigation use in the Djeffara aquifers (Northern Gabes, south-eastern Tunisia)

Groundwater contamination and its effect on health in Turkey

Groundwater Quality Assessment Based on WQI and Its Vulnerability to Saltwater Intrusion in a Coastal City, Iran

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