利用地理信息系统评估巴士拉市西南部的地下水质量

A. Dawood, Ahmed Naseh A. Hamdan
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引用次数: 2

摘要

为了评估地下水的质量是否适合饮用,对巴士拉市西南部水井中的 27 个地下水样本进行了各种地球化学参数分析。这项研究的目的是了解巴士拉西南部地下水的物理化学质量。结果表明,巴士拉南部地下水的物理和化学参数不适合饮用。总硬度(TH)非常高,介于(740-6950)毫克/升之间,电导率(EC)也非常高,介于(1720-18030)微升/厘米之间,而世界卫生组织(WHO)建议的总硬度(TH)值应低于 100 毫克/升,电导率(EC)值应低于 750 微升/厘米。根据国际和国家标准,总溶解固体(TDS)的允许浓度不应超过 500 毫克/升,而研究区域的地下水样本显示的浓度范围为(1200-10790)毫克/升,因此被认为非常高。此外,还对地下水的其他物理化学特性进行了分析,并与世界卫生组织建议的饮用水标准进行了比较。通过对水样的盐度和钠危害图进行评级,对灌溉用地下水进行了研究。研究结果表明,只有一个样本可用于灌溉。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Using GIS for Assess the Groundwater Quality in Southwest Side of Basrah City
In order to evaluate the quality of groundwater for drinking suitability purposes, a total of 27 groundwater samples from wells in southwest of Basrah city have been analyzed for various geochemical parameters. The aim of this research was to find the physicochemical quality of ground water in the southwest of Basrah. The results show that the quality of groundwater regarding the physical and chemical parameters of southern Basrah is unsuitable for drinking purposes. The total hardness (TH) was very high and it was in the ranged (740-6950) mg/l, also the electrical conductivity (EC) was very high and ranged (1720- 18030) μS/cm, while the World Health Organization (WHO) recommends a value less than 100 mg/l for (TH) and 750µs/cm for (EC). According to the international and national standards the allowable concentration of total dissolved solids (TDS) should not exceed 500 mg/l, while the groundwater samples of the study area shows a range of (1200-10790) mg/l, therefore it is considered very high. Moreover, the other physicochemical properties of groundwater were analyzed and compared with those of drinking water standards recommended by the WHO. Groundwater for irrigation has been studied by using the rating of water samples in relation to salinity and sodium hazard graph. As a result of the study, only one sample was accepted for irrigation.
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