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首页> 外文期刊>Trends in Applied Sciences Research >Elemental Composition of Groundwater and Spring Waters in Al-Ahsa Oasis, Eastern Region Saudi Arabia
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Elemental Composition of Groundwater and Spring Waters in Al-Ahsa Oasis, Eastern Region Saudi Arabia

机译：沙特阿拉伯东部地区Al-Ahsa绿洲的地下水和泉水的元素组成

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A study was conducted to evaluate the elemental and geochemistry of groundwater aquifer in Al-Ahsa Oasis Eastern region, Saudi Arabia. Total Dissolved Solids (TDS) varies from 2250-3500 mg L~(-1) in the study area. The concentration order of cations was Na>Mg>Ca and K in descending order and the anion concentration order was Cl>SO_4>HCO_3. The groundwater and the spring waters were classified as C3S1 to C_4S_2, i.e., high salinity and medium sodium to very high salinity to high sodium waters. The groundwater of Al-Ahsa is unsaturated with respect to calcite, dolomite, gypsum, anhydrite, halite and oversaturated with respect to goethite and hematite minerals. The hardness of groundwater is very high as compared to the established standards for domestic use. The Fluoride (F) contents are within permissible limits for drinking water. The nitrate contents are within permissible limits for domestic use. Two water types, i.e., Na-Ca-C1-SO_4 and Na-Ca-Mg-Cl-SO_4 dominate the groundwater aquifer in Al-Ahsa Oasis. Crop irrigation with groundwater will not create any soil salinity and soil permeability problems. Overall, the review study highlighted the important elemental composition and geochemistry of groundwater of Al-Ahsa Oasis.
机译：进行了一项研究，以评估沙特阿拉伯Al-Ahsa绿洲东部地区地下水含水层的元素和地球化学。研究区域的总溶解固体（TDS）在2250-3500 mg L〜（-1）之间变化。阳离子的浓度顺序为Na> Mg> Ca和K，降序排列，阴离子的浓度顺序为Cl> SO_4> HCO_3。地下水和泉水分类为C3S1至C_4S_2，即高盐度和中钠到高盐度对高钠水。 Al-Ahsa的地下水相对方解石，白云石，石膏，硬石膏，盐石矿是不饱和的，而对于针铁矿和赤铁矿矿物则是过饱和的。与已建立的家用标准相比，地下水的硬度非常高。氟化物（F）的含量在饮用水的允许范围内。硝酸盐含量在家庭允许的范围内。 Al-Ahsa绿洲的地下水含水层中有两种水类型，即Na-Ca-C1-SO_4和Na-Ca-Mg-Cl-SO_4。用地下水进行作物灌溉不会造成任何土壤盐分和土壤渗透性的问题。总体而言，该综述研究突出了Al-Ahsa绿洲地下水的重要元素组成和地球化学。

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