MEHMET ZENGİN, Saim KARAKAPLAN, İlknur ERSOY

Determination of irrigation water quality of lake Beyşehir and other water sources used in irrigation of çumra plain

Bu araştırmada, Çumra Ovası sulamasında kullanılan Beyşehir Gölü, Suğla Gölü, Apa Barajı ve May Barajı sularının kaliteleri belirlenmiştir. Beyşehir Gölünden Çumra Ovasına akan, yaklaşık 150 km uzunluğundaki Çarşamba Kanalı, güzergah boyunca Suğla Gölü, Apa Barajı ve May Barajı ile ilişkilidir. Dört farklı zamanda, beşer noktadan alınan su örneklerinde pH, EC, $Ca^{++}, Mg^{++}, Na^{+}, K^{+}, CO_3^{--}, HCO_3^{-}, Cl^{-}, SO_4^{--}, NO_3^{-}$, Fe, Cu, Mn, Zn ve B analizleri yapılmış ve SAO, BŞK değerleri ile kalite sınıflan belirlenerek gerekli değerlendirmelerde bulunulmuştur. Araştırma sonuçlarına göre, tüm su örneklerinin orta alkalin pli, II. sınıf tuzluluk ve I. sınıf sodiklik ($C_2S_1$), I. sınıf BŞK, I ve II. sınıf B içeriklerine sahip oldukları ve Beyşehir Gölünden güzergah boyunca May Barajına doğru gittikçe nitrat ve ağır metallerin arttığı, bor kapsamlarının ise azaldığı saptanmıştır.

Anahtar Kelimeler:

mineral madde içeriği, sulama suyu, su kaynakları, kirlilik, ağır metaller, su kalitesi

Beyşehir Gölü ve Çumra Ovası sulamasında kullanılan diğer sulama suları kalitesinin belirlenmesi

In this research, irrigation water quality and pollutions of Lakes Beyşehir and Suğla, Dams Apa and May used in irrigation of Çumra Plain were determined. Canal Çarşamba which is leading from Lake Beyşehir to Çumra Plain and has about 150 km length is connected with Lake Suğla, Dams Apa and May along the route. In the irrigation voter samples collected at four different times and from five points pH, EC, $Ca^{++}, Mg^{++}, Na^{+}, K^{+}, CO_3^{--}, HCO_3^{-}, Cl^{-}, SO_4^{--}, NO_3^{-} Fe^{++} Cu^{++}, Mn^{++}, Zn+{++}$ and B were analysed and from these results SAR, RSC and quality classes were determined. If was evaluated that all of the water samples had moderate alkaline pH values, class II salty and class I alkalinity ($C_2S_1$) , class I RSC, class I and II B level, and from Lake Beyşehir to Dam May along the Canal Çarşamba, nitrate and heavy metals increased and boron contents decreased.

Keywords:

mineral content, irrigation water, water resources, pollution, heavy metals, water quality,

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