Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
Permanent URI for this collectionhttps://hdl.handle.net/11147/7148
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Book Part Groundwater Arsenic in an Urban Area: Izmir’s Comprehensive Response and Remediation Blueprint(Springer Science and Business Media Deutschland GmbH, 2025) Kırçiçek, N.T.; Güngör, E.B.; Baba, A.The contamination of groundwater with arsenic poses a critical challenge to the environment and public health, affecting millions of people worldwide. In the rapidly urbanising regions of Türkiye, understanding the origin, mobility and effective treatment of arsenic contamination is crucial to ensure water safety. This study analyses the spatial distribution of arsenic contamination of groundwater, specifically in the province of İzmir, while attempting to delineate the potential sources of risk. The arsenic concentrations in groundwater samples from different districts were analysed, and the variations at district level were visualised using a point-based density map. The resulting values were then critically compared with the World Health Organization (WHO) limits and Turkish national regulations (10 μg/L) to draw attention to the pronounced spatial differences in concentrations. Following the arsenic crisis in 2008, the İzmir Municipality has taken a decisive course and implemented targeted arsenic remediation strategies that represent significant progress in solving and addressing this pervasive problem. In 2023 alone, more than 139 million m3 of groundwater were treated, accounting for almost 30% of the city’s drinking and industrial water supply. This considerable magnitude represents a remarkable level of implementation, especially against the backdrop of numerous global cities struggling with similar contamination problems. The results of this study should serve as a basis for sustainable groundwater management strategies, not only for İzmir, but also for other regions with hydrogeological and urban dynamics. © The Author(s), under exclusive license to Springer Nature Switzerland AG 2025.Article Citation - WoS: 2Citation - Scopus: 1A Review of the Geothermal System Evolution and Distribution in the Central Anatolian Crystalline Complex (türkiye)(TUBITAK, 2023) Şener, M.F.; Öztürk, M.Z.; Baba, A.Türkiye is located in the Mediterranean sector of the Alpine–Himalayan tectonic belt and is among the foremost seven countries in the world having an abundance of geothermal resources. The Central Anatolian Crystalline Complex (CACC) is one of the most important geothermal regions in Türkiye. This study aims to evaluate the geothermal system of CACC using the geological, structural, and hydrogeochemical properties that were obtained from previous studies. The present study investigated and evaluated the hydrogeochemical and isotopic properties of 762 water samples belonging to 45 different localities from 41 scientific studies. The result shows that CACC has different heat sources and different hydrogeochemical processes. Major element chemistry of the water reveals that the geothermal fluids are mostly of the Ca-Mg-HCO3, Na-Cl-HCO3, and Ca-Cl water types. Silica geothermometers suggest that the reservoir temperature ranges from 48 to 180 °C. Based on the δ18O-δD relationship, water samples have a high-altitude meteoric origin. Stable isotopic data indicate that the geothermal fluids are formed by local recharge and deep circulation of meteoric waters. © TÜBİTAK.