Abstract
Major ion analyses of 156 fresh and mineral groundwater samples from Umm Er Radhuma aquifer (UER) in eastern part of Saudi Arabia reveal a consistent pattern of variation in the sedimentary basin. The piezometric data shows a broad pattern of regional flow from west to east towards the Arabian Gulf coast. The groundwater chemistry is highly variable, where TDS ranged between 220 and 15815 mg/l; with an average of about 2257 mg/l. The chemical and isotopical composi- tions of the groundwater of UER aquifer show that the water is pro- gressively enriched in Na+ , Ca 2+ , Mg 2+ , Cl - and SO 4 while iso- topically (δ 18 O and δD) depleted in the direction of flow. The isotopic contents of the groundwater of UER, measurements of the piezometric level and stratification of groundwater chemistry with depth suggest that the UER aquifer receives a considerable amount of water leaking from the overlying Dammam Formation characterized by being young- er and low in TDS. The groundwater chemistry in UER aquifer, there- fore, is mainly controlled by mixing processes besides, the chemical re- actions that take place between water and aquifer materials within the UER aquifer through its movement.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of King Abdulaziz University-Earth Sciences
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
