| Title: | Geophysical investigations in the Radovna River Spring area (Julian Alps, NW Slovenia) |
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| Authors: | ID Torkar, Anja (Author)
ID Zajc, Marjana (Author)
ID Atanackov, Jure (Author)
ID Gosar, Andrej (Author)
ID Brenčič, Mihael (Author) |
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| Files: |  PDF - Presentation file, download (6,27 MB)
MD5: 1453284B69319D8CD8D4B59E200F20A0
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  GeoZS - Geological Survey of Slovenia
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| Abstract: | The Radovna River Valley is located in the north-western part of Slovenia in the Julian Alps, where there is an extensive intergranular aquifer whose depth to pre-Quaternary bedrock is unknown. Therefore, to obtain information about the depth of the valley and the geometry of the aquif er two geophysical methods were used in our study; ground penetrating radar (GPR) and seismic reflection method. The low-frequency GPR method has shown to be useful for determining the depth of the groundwater and the predominant groundwater recharge. Also, the high-resolution seismic method provided an insight about the morphology of the pre-Quaternary basement with the deepest point at 141 meters below surface. Measurements of hydrogeological parameters such as groundwater level and river discharge measurements were carried out in the study area. Both data analyses showed that groundwater level and river discharge are highly fluctuatingand rapidly changing, indicating a well-permeable aquifer, implying that such an aquifer is extremely sensitive and vulnerable to extreme climate events. Both the geophysical methods and the hydrogeological information have provided important information about the morphology of the valley and the alluvial aquifer, as well as increasing the knowledge about the Radovna springs system, which will contribute very important information for future hydrogeological studies. |
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| Keywords: | Ground penetrating radar, Seismic reflection method, Radovna spring, hydrogeology, aquifer geometry, glacial valley, groundwater table |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Publisher: | Geološki zavod Slovenije |
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| Year of publishing: | 2021 |
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| Number of pages: | str. 253-266 |
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| Numbering: | vol. 64, no . 2 |
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| PID: | 20.500.12556/DiRROS-14799  |
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| UDC: | 556.3 |
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| ISSN on article: | 0016-7789 |
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| DOI: | 10.5474/geologija.2021.014 |
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| COBISS.SI-ID: | 92835843 |
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| Publication date in DiRROS: | 09.03.2022 |
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| Views: | 1221 |
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| Downloads: | 453 |
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