Stable isotopes in the groundwater of artesian wells in the Al-Tayeb and Ali Al-Gharbi regions, northeast of Missan
The study of stable isotopes proved that the artesian aquifer system in the study area is part of the entire aquifer system and that only the topographical and structural conditions play a major role in the emergence of this system. The study of the stable isotopes ((d18O and d2H)) of groundwater samples showed that most of these samples are distributed closer to the Mediterranean atmospheric water line MMWL and far from the global atmospheric water line GMWL, which indicates that the groundwater was less susceptible to evaporation. Those that approach the Ammarah local air water line (AMWL) are the most susceptible to evaporation and indicate their atmospheric origin, and the spacing between these samples indicates different sources. This indicates that the feeding of this water is mainly caused by rainfall. The difference in isotopic composition indicates that groundwater is affected by different degrees of evaporation.
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Copyright (c) 2023 Jassim J. Alsamaani, Ajel S. Y. AL-Hadadi, Alaa M. Al-Abadi
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