地球动力学

IF 1 Q3 GEOCHEMISTRY & GEOPHYSICS Geodynamics Pub Date : 2022-06-28 DOI:10.23939/jgd2022.02.119
E. Kuzmenko, S. Bagriy
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The relevance of the research is determined by the need to solve the following tasks: 1) identification of the sources of the groundwater contamination; 2) determination of saline areas, including settlements within which drinking water horizons become unsuitable for the direct use; 3) characteristics of the dynamics, that is, the degree of salinity and the rate of its changes in space and time; 4) determination of the danger to the operation of water intake facilities; 5) determination of the risk of contamination of the river basin. The methodology consists in establishing the correlation between hydrogeochemical and electrometric observations, as well as determining the transition patterns from measurements of electrical resistance to the groundwater salinity. 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引用次数: 0

摘要

这项研究的目的是为综合解决与卡卢什矿区地下水盐碱化有关的环境和地质问题奠定科学基础;基于地球化学和地球物理观测,定量评估这种盐碱化的动力学及其与河流系统的关系。研究的相关性取决于需要解决以下任务:1)确定地下水污染源;2) 确定含盐区域,包括饮用水层不适合直接使用的定居点;3) 动力学特征,即盐度及其在空间和时间上的变化率;4) 确定对取水设施运行的危险;5) 河流流域污染风险的确定。该方法包括建立水文地球化学和电测观测之间的相关性,以及确定从电阻测量到地下水盐度的过渡模式。它还包括建立地下水盐度动态的时空模型,评估地表水道污染的风险,同时考虑其主要来源,并为做出管理决策提供初步数据。在水文地球化学观测(地下水矿化)和电力勘探(电阻测量)的帮助下,建立了含水层固有的地球物理特征与地下水矿化之间的相关性。因此,这使得根据平面地球物理调查来具体化来源并确定盐碱化的面积和程度成为可能。通过观测,我们可以确定盐度锋面的运动方向和速度。所获得的含水层盐碱化动力学的定量特征允许计算Limnytsia河和Dnister河的污染风险。科学上的新颖之处在于根据地球物理研究结果进一步发展了评估地下矿化的方法,包括电力勘探方法。首次建立了卡卢什矿区地下水矿化动力学的时空模型。此外,考虑到KMR内的主要污染源,对地表水道污染风险(Limnytsia河和Dnister河)进行了评估。应用所获得的结果可以快速研究与领土可能受到污染有关的地区,为进一步的规划和管理行动提供初步数据。可靠的预测可以设想减少含水层环境负荷的措施,含水层是卡卢什镇唯一的饮用水层。
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GEODYNAMICS
The aim of the research is to substantiate the scientific foundations of an integrated approach to solving environmental and geological problems related to groundwater salinization in the Kalush mining region; quantitative evaluation of the dynamics of such salinization and its relationship with the river system based on geochemical and geophysical observations. The relevance of the research is determined by the need to solve the following tasks: 1) identification of the sources of the groundwater contamination; 2) determination of saline areas, including settlements within which drinking water horizons become unsuitable for the direct use; 3) characteristics of the dynamics, that is, the degree of salinity and the rate of its changes in space and time; 4) determination of the danger to the operation of water intake facilities; 5) determination of the risk of contamination of the river basin. The methodology consists in establishing the correlation between hydrogeochemical and electrometric observations, as well as determining the transition patterns from measurements of electrical resistance to the groundwater salinity. It also includes creating spatio-temporal models of groundwater salinity dynamics and assessing the risks of surface watercourses contamination taking into account its main sources and providing initial data for making management decisions. With the help of the hydrogeochemical observations (the groundwater mineralization) and electrical exploration (measurement of electrical resistance), correlations were established between the geophysical characteristics inherent in the aquifer and the groundwater mineralization. As a result, this made it possible to concretize the sources and determine the area and degree of salinization according to the planar geophysical surveys. Regime observations allowed us to establish the movement direction and speed of the salinity front. The obtained quantitative characteristics of the salinization dynamics of the aquifer allowed calculating the contamination risks of the Limnytsia and Dnister Rivers. The scientific novelty consists in the further development of the methods for assessing underground mineralization based on the results of geophysical research, including the method of electrical exploration. For the first time, spatio-temporal models of the groundwater mineralization dynamics in the territory of the Kalush mining region (KMR) were created. In addition, the assessment of the risks of the surface watercourse contamination (the Limnytsia and Dnister Rivers) was given, taking into account the main sources of contamination within the KMR. The application of the obtained results makes it possible to quickly research the areas associated with probable contamination of the territory, to provide initial data for further planning and management actions. A reliable forecast allows envisaging the measures for reducing the environmental load on the aquifer, which is the only drinking horizon for the town of Kalush.
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Geodynamics
Geodynamics GEOCHEMISTRY & GEOPHYSICS-
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33.30%
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GEODYNAMICS GEODYNAMICS GEODYNAMICS GEODYNAMICS GEODYNAMICS
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