基于泉水流量分析的KŁODZKO地区(苏台斯-波兰西南部)当地地下水库的水文地质特征

IF 0.9 4区 环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES Carpathian Journal of Earth and Environmental Sciences Pub Date : 2023-02-07 DOI:10.26471/cjees/2023/018/249
Tomasz Olichwer
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引用次数: 0

摘要

根据对Szczytna和Różanka泉水流量的分析,得出了在Kłodzko地区(苏台德)发现的两种当地地下水库的水文地质特征。在这些泉水的第一个泄流点,水从上白垩纪的砂岩和泥岩中流出。另一个泉与断裂和风化的云母片岩和片麻岩有关。Różanka泉的特征是比Szczytna的裂隙多孔流出具有更大的流量可变性。后一种,由于岩石介质中的水过滤速度较慢,就流量而言,属于稳定泉。当地地下水库位于沉积岩中,其特征是储存的地下水量(264000 m3)远高于由风化和破碎结晶岩组成的水库(1918 m3)。在水库通过Szczytna泉水排水的情况下,活动区的地下水交换率约为66周。在破碎的结晶基岩中交换水需要明显更短的时间(12周)。根据衰退系数计算的Szczytna和Różanka含水层的导水率差异很大。分别为4.64和24.9m/d。
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HYDROGEOLOGICAL CHARACTERIZATION OF LOCAL GROUNDWATER RESERVOIRS IN THE KŁODZKO LAND (SUDETES - SW POLAND) BASED ON AN ANALYSIS OF THE DISCHARGES OF SPRINGS
The hydrogeological characteristics of the two types of local groundwater reservoirs found in the Kłodzko Land (Sudetes) have been made based on the analysis of the discharge of springs in Szczytna and Różanka. In the first of these spring discharge points, water flows out of Upper Cretaceous sandstones and mudstones. The other spring is associated with fractured and weathered mica schists and gneisses. The Różanka spring characterized by greater discharge variability than the fissured porous outflow in Szczytna. The latter one, due to the slower rate of water filtration in the rock medium, belongs to stable springs in terms of discharge. The local groundwater reservoir located in sedimentary rocks characterized by a much higher value of the groundwater volume stored (264,000 m3) than the reservoir consisting of weathered and fractured crystalline rocks (1,918 m3). In the case of the reservoir draining by Szczytna spring, the rate of groundwater exchange in the active zones is about 66 weeks. A distinctly shorter time (12 weeks) is necessary to exchange water in the fractured crystalline bedrock. The hydraulic conductivity for the aquifers in Szczytna and Różanka, calculated based on the recession coefficient, differ substantially from each other. They are 4.64 and 24.9 m/d, respectively.
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来源期刊
CiteScore
2.30
自引率
25.00%
发文量
42
审稿时长
12-24 weeks
期刊介绍: The publishing of CARPATHIAN JOURNAL of EARTH and ENVIRONMENTAL SCIENCES has started in 2006. The regularity of this magazine is biannual. The magazine will publish scientific works, in international purposes, in different areas of research, such as : geology, geography, environmental sciences, the environmental pollution and protection, environmental chemistry and physic, environmental biodegradation, climatic exchanges, fighting against natural disasters, protected areas, soil degradation, water quality, water supplies, sustainable development.
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