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Gediz havzası Ege Bölgesinin en önemli havzalarından biridir. Çalışma alanı Gediz havzası içerisinde bulunan Alaşehir alt havzasıdır. Bu çalışma kapsamında Alaşehir alüvyon akifere çok sayıda araştırma kuyusu açılmış olup, araştırma kuyularında zemin karakterizasyonu belirlenmiş ve bazı kuyulara da zemin nem sensörleri konumlandırılarak yeraltısuyu beslenimi hesaplanmıştır. Doygun olmayan bölgedeki zeminlerde nem değişim yöntemi ile yağıştan sonra zemin nem değişimleri belirlenerek yağıştan beslenme miktarı tespit edilebilmektedir. Bu kapsamda alüvyon akifere 5 farklı noktada özel açılan kuyularda 5, 10 ve 15 m derinliklerde nem sensörleri vasıtası ile zemin nemi, sıcaklığı ve tuzluluğu ölçülmüştür. Çalışma alanında seçilen kuyularda zeminin suya doygun olmayan bölgesinde gerçekleştirilen hacimsel su içeriklerine göre mevsimsel değişiklikleri ortaya konulmuş ve yağıştan kaynaklanan beslenme miktarı belirlenmiştir. Elde edilen ölçümler sonucunda, çalışma alanındaki alüvyon akiferdeki yeraltısuyu beslenimi en az 40,81 ile en çok 77,12 mm olacak şekilde, ortalama olarak da 56,83 mm hesaplanmıştır. Ayrıca, ilk kez derin kuyular vasıtası ile yeraltısuyu besleniminde kullanılan zemin nem değişim yönteminin limitasyonları da bu çalışma kapsamında tartışılmıştır.
It is one of the most important swimming pools in the region. The work area is the Alaşehir basin located within the Gediz basin. In the framework of this study, a large number of research holes have been opened to the Alaska alivion acivers, the ground characteristics have been determined in the research holes, and some holes have also been calculated by placing the ground moisture sensors and calculating the ground nutrition. The moisture change in the soil in the untouched area can be determined by the method of moisture change in the soil after the rain by determining the moisture changes in the soil by determining the amount of nutrition from the rain. In this scope, the humidity, temperature, and saltness of the ground are measured through humidity sensors in 5 and 10 and 15 m depths in the special opened hills at 5 different points. According to the volume of water content performed in the area not saturated with water in the boxes selected in the work area, seasonal changes have been revealed and the amount of nutrition caused by rain has been determined. As a result of the measurements obtained, the subterranean nutrition in the aluminum acivers in the work area was calculated to be at least 40,81 to a maximum of 77,12 mm, with an average of 56,83 mm. In addition, the limitations of the ground moisture exchange method used for the first time through deep hills and underground nutrition have also been discussed within this study.
Gediz basin is one of the most important basins in the Aegean Region of Turkey. The related study area, Alaşehir, is a sub-basin of Gediz basin. In this respect, many investigations and/or monitoring wells in the Alaşehir alluvial aquifer had been drilled, soil characterization was done and groundwater recharge was calculated by using soil moisture sensors. The groundwater recharge can be calculated by using soil moisture variation for soils located in the vadose zone by recording the soil moisture changes after rainfall. Thus, soil moistures, temperature, and salinity measurements were recorded in 5 selected wells at varying depths of 5, 10 and 15 m via soil moisture sensors. In this study, the measurements of volumetric water contents of selected wells at varying depths of the vadose zone were obtained and presented, the assessment of the variation of the data with seasonal changes was done and recharge values were determined. Based on the recorded data, the groundwater recharge of the study area was calculated to vary between 40.81 and 77.12 mm with an average of 56.83 mm. In addition, the operating method of the soil moisture sensors, the process of locating the sensors in the wells and the limitations of the method were explained.
Field : Mühendislik; Fen Bilimleri ve Matematik
Journal Type : Ulusal
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