伊拉克巴格达北部 Al-Taji 地区水资源中环境同位素 18O 和 2H 的分布情况

Q3 Earth and Planetary Sciences

Iraqi Geological Journal Pub Date : 2024-01-31 DOI:10.46717/igj.57.1a.10ms-2024-1-21

Ayat Abbood, Enaam Abdullah, Kamal Al-paruany

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引用次数: 0

摘要

本研究采用稳定同位素 18O 和 2H 来研究巴格达北部 Al-Taji 区地表水 (SW) 和地下水 (GW) 在两个季节（2022 年 3 月和 8 月）的相互作用。16 样本从 Al-Taji 区的水资源（底格里斯河河道、底格里斯河和地下水）中采集，每个季节从 8 个底格里斯河河道、5 个钻井和 3 个底格里斯河中采集水样，进行 18O 和 2H 同位素分析。发现底格里斯河河道、底格里斯河和地下水中 18O 和 2H 的平均分析结果分别为-3.435‰和-18.6094‰、-2.07167‰和-17.81‰、-4.125‰和-34.707‰。总体而言，结果显示底格里斯河河道和地下水（W1 距底格里斯河河道约 1 公里）的同位素含量范围相当。这表明地下水与底格里斯河之间存在混合/相互联系，因此可以得出结论，底格里斯河河道附近的水井（W1 以及 Ch1 和 Ch2）已从地下水中得到补给或混合。

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Distribution of Environmental Isotopes 18O and 2H in Water Resources in the Al-Taji Area, Northern Baghdad, Iraq

In this study, the stable isotop 18O and 2H has been used to investigate the interaction of surface water (SW), and groundwater (GW) in Al-Taji district/ Northern Baghdad for two seasons (March and August 2022). 16 Samples were collected from water resources in the Al-Taji district (Tigris channel, Tigris River, and groundwater), in each season water samples from 8 Tigris channel, 5 drilled wells, and 3 Tigris River were taken for the analysis of the isotopes 18O and 2H. The average analysis results of 18O and 2H in the Tigris channel, Tigris River, and groundwater were found to be -3.435‰ and -18.6094‰, -2.07167‰ and -17.81‰, -4.125‰ and -34.707‰ respectively. The results, generally, show a comparable range of isotope content on the Tigris Channel and groundwater (W1 about 1 km from the Tigris Channel). This indicates a mixing/interconnection between groundwater and the Tigris River, and it could be concluded that the wells (W1 and Ch1 and Ch2) near the Tigris channel have been recharged or mixed from them.

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