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Title: Groundwater recharge estiaton in the Alaşehir sub-basin using hydro-geochemical data; Alaşehir case study
Authors: Tonkul, Serhat
Baba, Alper
Şimşek, Celalettin
Demirkesen, Ali Can
Keywords: Groundwater recharge
Alaehir sub-basin
Gediz basin
Chloride mass balance method (CMB)
Issue Date: 2021
Publisher: Springer
Abstract: The issue of groundwater recharge has gained importance in countries where there is not enough water supply to the aquifer. However, groundwater recharge is a difficult parameter to determine. This difficulty stems from factors such as the location of the area to be studied, time, cost, and hydrological data. Numerical, isotope, and chemical approaches are used in groundwater recharge investigations. Numerical and chemical approaches are more costly and time-consuming than chemical approaches. This study aims to ascertain alluvial aquifer recharge in Alaehir (Manisa) sub-basin using chemical approaches (Chloride Mass Balance Method) and its applicability. For this purpose, research wells were drilled at 25 different points in the alluvial aquifer, water sampling was done in wet and dry periods, and rainwater water samples were collected. Groundwater recharge was calculated by using chemical approaches from the chloride concentrations of the water samples collected. An annual average of 74.84 mm of recharge was found in the Alaehir sub-basin. This value corresponds to 16.38% of annual rainfall. At the same time, it was examined the groundwater and geothermal mixing mechanism to demonstrate the applicability of the Chloride Mass Balance Method. It was concluded that geothermal fluid in Alaehir sub-basin mixed with groundwater at a rate of 17%.
ISSN: 1866-6280
Appears in Collections:City and Regional Planning / Şehir ve Bölge Planlama
Civil Engineering / İnşaat Mühendisliği
Environmental Engineering / Çevre Mühendisliği
IZTECH Research Centers Collection / İYTE Araştırma Merkezleri Koleksiyonu
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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