Abstract
The aim of the study was to assess the effect of climate change, mainly higher and lower precipitation, on the intensity of the impact of a coal waste dump on groundwater. The analysis used meteorological data for the Katowice region in 2002-2020 as well as data on the height of the groundwater table in the vicinity of the coal waste dump, and data on physicochemical parameters and chemical composition of groundwater in 2004-2020. Based on the analyses, it was found that the periods of drought in the Silesian Voivodeship, located in the south of Poland, occurred mainly in spring, while periods of excessive short-term rainfall in summer. The period of excessive annual precipitation occurred between 2007 and 2010, followed by a long period of dry or very dry years that lasted until 2016. During the period of excess annual precipitation, the leachate from the waste dump caused a decrease in groundwater pH to 2.50, while an increase in electrolytic conductivity (EC) and the concentration of sulphates and zinc to 5100 µS/cm, 3890 mg/L, 18.5 mg/L, respectively.
Highlights
The amount and intensity of precipitation caused by climate change have a significant impact on the environment [1e3]
The chemical composition of the precipitation water drained from industrial and urban areas as well as their physical and chemical properties depend on: a) the method of land development and use, b) type of waste deposited in the landfill, c) the intensity and duration of precipitation and the time between successive precipitation, d) the type of the materials used for the construction of roofs and other structures exposed to atmospheric precipitation, e) the type of drained surface and the method of snow removal, f) the type of liquid and solid substances used in the industrial plant, g) the emission of gases and dust to the atmosphere [7]
The aim of the study was to assess the effect of climate change on the intensity of the impact of coal waste dump on groundwater
Summary
The amount and intensity of precipitation caused by climate change have a significant impact on the environment [1e3]. The global rise in temperature may cause the contrast in precipitation between wet and dry regions, as well as between rainy and dry seasons, to increase over the decades [4]. The chemical composition of the precipitation water drained from industrial and urban areas as well as their physical and chemical properties depend on: a) the method of land development and use, b) type of waste deposited in the landfill, c) the intensity and duration of precipitation and the time between successive precipitation, d) the type of the materials used for the construction of roofs and other structures exposed to atmospheric precipitation, e) the type of drained surface and the method of snow removal, f) the type of liquid and solid substances used in the industrial plant, g) the emission of gases and dust to the atmosphere [7]
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