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Evolution of isotopic compositions in groundwater of the area between the Gulf of Oman and the Arabian Gulf

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doi: 10.1007/s11631-010-0152-4
Authors:Murad, Ahmed
Author Affiliations:Primary:
UAE University, Department of Geology-Faculty of Sciences, Al-Ain, United Arab Emirates
Volume Title:Chinese Journal of Geochemistry Diqiu Huaxue
Source:Chinese Journal of Geochemistry = Diqiu Huaxue, 29(2), p.152-156. Publisher: Springer, Beijing, China. ISSN: 1000-9426
Publication Date:2010
Note:In English. 28 refs.
Summary:The stable isotopes of oxygen and hydrogen have been implemented to assess the recharge mechanisms in an area in the UAE bounded to the northwestern part of the Gulf of Oman and the southeastern part of the Arabian Gulf. The conversion of stable isotopes to deuterium excess was utilized as a supportive tool to understand the process of groundwater recharge. The concluding results of this study showed that the origin of moisture is the Mediterranean Sea. The precipitation is the main source of recharge, in which the precipitation having undergone evaporation before recharge occurs. The comparison between regression line for data collected in 1996 and regression line for samples collected in 2006 suggests that the precipitation water which recharged the groundwater, was diluted with groundwater and this dilution is observed from decreasing of the deuterium excess of collected groundwater samples with increasing isotopes of oxygen. The dilution of groundwater with the recharge water suggests modern-day recharge as it is seen from high deuterium excess that exceeded the deuterium excess of LMWL and was close to MMWL. Copyright 2010 Science Press, Institute of Geochemistry, CAS and Springer Berlin Heidelberg
Subjects:Atmospheric precipitation; D/H; Deuterium; Evaporation; Geochemical indicators; Geochemistry; Ground water; Hydrochemistry; Hydrogen; Isotope ratios; Isotopes; O-18/O-16; Oxygen; Recharge; Stable isotopes; Arabian Sea; Gulf of Oman; Indian Ocean; Persian Gulf
Coordinates:N223000 N260000 E0620000 E0560000
Record ID:695298-6
Copyright Information:GeoRef, Copyright 2021 American Geosciences Institute.
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