HYDROGEOCHEMICAL PROPERTIES OF THE LIMESTONE AQUIFER SOUTH OF DAĞBELI VILLAGE (ANTALYA)

Öz

In this study, the hydrogeochemical properties of the limestone aquifer in the south of Dağbeli Village (Antalya) were investigated and the hydrogeochemical character of the groundwater and the availability of groundwater were revealed by examining the geological and hydrogeological characteristics of the region. Beydağları formation and Tekkeköy member surfacing in the region have the characteristics of karstic aquifer. According to the results of the analyses of the water samples taken from the boreholes drilled in the karstic aquifer environment and from Kırkgöz springs discharging from the karstic aquifer in the region, the EC values of the waters vary between 352-730.3 μS/cm, pH value between 7.2-8.29 and hardness between 25.5-43.2 Fr0. According to Piper and Gibbs diagrams, the groundwaters are in the Ca-HCO3 water facies and the main factor controlling the groundwater chemistry in the region is rock-water interaction. According to hydrogeochemical processes, it can be said that the presence of Ca, Mg and HCO3 in the waters is related to non-carbonate sources and silicate weathering is dominant. As a result of the evaluation of the quality and usability characteristics of the groundwaters, it was determined that all water samples can be used as drinking and irrigation water.

Anahtar Kelimeler

• Hydrogeochemistry
• Groundwater
• Karst aquifer
• Antalya.

DAĞBELİ KÖYÜ (ANTALYA) GÜNEYİ KİREÇTAŞI AKİFERİNİN HİDROJEOKİMYASAL ÖZELLİKLERİ

Öz

Dağbeli Köyü (Antalya) güneyindeki kireçtaşı akiferinin hidrojeokimyasal özelliklerinin incelendiği bu çalışmada bölgenin jeolojik ve hidrojeolojik özellikleri, yeraltısularının hidrojeokimyasal karakteri ve buna bağlı olarak kullanılabilirlik durumu ortaya koyulmuştur. Bölgede yüzeyleyen Beydağları formasyonu ve Tekkeköy üyesi karstik akifer özelliği taşımaktadır. Karstik akifer ortamda açılmış sondaj kuyuları ile bölgede karstik akiferden boşalan Kırkgöz kaynaklarından alınan su örneklerinin analiz sonuçlarına göre suların EC değerleri 352-730,3 μS/cm arasında, pH değeri 7.2-8.29 arasında; sertliği ise 25.5-43.2 Fr0 arasında değişmektedir. Yeraltısuları Piper ve Gibbs diyagramlarına göre Ca-HCO3’lı sular fasiyesinde olup bölgede yeraltısuyu kimyasını denetleyen ana faktör kaya-su etkileşimidir. Hidrojeokimyasal proseslere göre sularda Ca, Mg ve HCO3 varlığının karbonat olmayan kaynaklarla ilişkili olduğu ve silikat ayrışmasının baskın olduğu söylenebilir. Yeraltısularının kalite ve kullanılabilirlik özelliklerinin değerlendirilmesi sonucunda tüm su örneklerinin içme ve sulama suyu olarak kullanılabilir özellikle olduğu belirlenmiştir.

Anahtar Kelimeler

• Hidrojeokimya
• Yeraltısuyu
• Karstik Akifer
• Antalya

Kaynakça

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