Well hydrograph analysis for the characterisation of flow dynamics and conduit network geometry in a karst aquifer, Bükk Mountains, Hungary

Kovács, Attila; Perrochet, Pierre; Darabos, Enikő; Lénárt, László; Szűcs, Péter

doi:10.1016/j.jhydrol.2015.09.058

Cited by 26 publications

(21 citation statements)

References 11 publications

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“…The whole karstic system is hydraulically interconnected at the regional scale, but also includes several karstic catchments with local groundwater flow systems. Some of the subsystems are interconnected below the karstification horizon, while others are hydraulically separated by low-permeability rocks (Kovács et al 2015). Karstic surface features are widespread on the Bükk Plateau.…”

Section: Flow Systemmentioning

confidence: 99%

“…The first karst hydrogeological field investigations were started by Kessler (1955Kessler ( , 1959. The hydrogeological characteristics of the Bükk area were described by , Pelikán (2005), Lénárt (2005), Lénárt et al (2014), Gondár-Sőregi et al 2011and Kovács et al (2015). The first tracer tests were undertaken in 1911 (Emszt 1912), since then, 109 tracing experiments have been undertaken using 59 injection points .…”

Section: Bükk Karst Water-level Monitoring Systemmentioning

confidence: 99%

“…Monitoring System also served as a basis for several projects (Lénárt and Lénárt 2008;Kovács et al 2015;Madarász et al 2015; Gondár-Sőregi and Gondár 2017). The available datasets helped to evaluate a huge karst flood event in 2006; based on the analyses, flood protection methods in the surrounding area were developed for modeling and technical solutions.…”

Section: Application Of Monitoring Datasetsmentioning

confidence: 99%

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Karst water resources and their complex utilization in the Bükk Mountains, northeast Hungary: an assessment from a regional hydrogeological perspective

et al. 2020

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The cold and thermal karst water resources of the Bükk Mountains play a significant role in the hydrogeological setting of northeastern Hungary. Although there is much geological and hydrogeological information available, the regional hydrogeology of the Bükk Mountains had not been described in a standalone study involving all this information. The drinking water supply of the city of Miskolc and some other neighboring cities is based on the cold karst water resources of the Bükk Mountains. The thermal water resources have been getting more important, in terms of balneology and geothermal energy production, in this region over the last decade. An evaluation of the measurements of a 27-year-old groundwater quantity and quality monitoring system was performed. As a result, several types of new field hydrogeology, meteorology and spring discharge measurements were added to the monitoring scheme to provide information for studying the tendencies connected to extreme weather conditions. This will help to achieve sustainable utilization of the karst water resources. The main conclusions drawn in this study underline the importance of the strict measures associated with the water management of the Bükk Mountains because of the limited natural recharge and the continuously increasing demands on the cold and thermal water resources. A success story is found in Miskolc, which demonstrates the sustainable utilization of the deep thermal karst water; Miskolc hosts the largest geothermal heating plant in Central Europe with 60 MWt capacity.

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Section: Flow Systemmentioning

confidence: 99%

Section: Bükk Karst Water-level Monitoring Systemmentioning

confidence: 99%

Section: Application Of Monitoring Datasetsmentioning

confidence: 99%

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Karst water resources and their complex utilization in the Bükk Mountains, northeast Hungary: an assessment from a regional hydrogeological perspective

et al. 2020

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“…Many studies have investigated the characteristics and differences of the development of karst under water-rich and hydraulic conditions, as well as the factors responsible [1][2][3][4][5]. Sokolov [6] held that karst development is a geological process in which soluble rock is destroyed by dissolved water flow.…”

Section: Introductionmentioning

confidence: 99%

Quantitative Evaluation of Karst Developmental Differences Based on Improved Analytic Hierarchy Process and Multidimensional Extension Matter Element Model

et al. 2019

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In this study, limestone solubility, rock thickness, burial depth, hydrodynamic cycle, and geological tectonic of mine No. 13 in the Pingdingshan coalfield (China) were selected to evaluate the degree of karst development. The weight of each index factor to the karst development was determined by using the improved analytic hierarchy process. The multidimensional extensional matter model was used to determine the degree of karst development of the four mining areas (named 1st to 4th) of the Pingdingshan mine No. 13. The results show that the degree of karst development differs zonally, with 1st and 2nd mining areas presenting the lowest degree of karst development (grade II-IV, for an average quantification value of 3.0) and 4th mining area having the highest degree (grade IV-V, for an average quantification value of 4.7). In the vertical direction, the development degree of the vertical layer L1-L4 karst in the Carboniferous Taiyuan Formation is grade IV-V, with an average quantitative value of 4.5, whereas the layers L5-L7 in the Taiyuan Formation had a III-V grade, with an average quantitative value of 3.75, and the Cambrian limestone grade was II-IV, for an average quantitative value of 2.75, i.e., the development degree of karst gradually decreases from shallow to deep.

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“…At the catchment scale, it is possible to identify conduit locations e.g. on basis of sinkhole mapping [12] [13] or by geophysical methods. Most effective geophysical methods for identifying (individual) fractures and/or fracture zones (a dense set of fractures) include VLF-EM (e.g.…”

Section: Introductionmentioning

confidence: 99%

Characterisation of Fractures and Fracture Zones in a Carbonate Aquifer Using Electrical Resistivity Tomography and Pricking Probe Methodes

Szalai¹,

Kovács²,

Kuslits³

et al. 2018

GEP

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Position, width and fragmentation level of fracture zones and position, significance and characteristic distance of fractures were aimed to determine in a carbonate aquifer. These are fundamental parameters, e.g. in hydrogeological modelling of aquifers, due to their role in subsurface water movements. The description of small scale fracture systems is however a challenging task. In the test area (Kádárta, Bakony Mts, Hungary), two methods proved to be applicable to get reasonable information about the fractures: Electrical Resistivity Tomography (ERT) and Pricking-Probe (PriP). PriP is a simple mechanical tool which has been successfully applied in archaeological investigations. ERT results demonstrated its applicability in this small scale fracture study. PriP proved to be a good verification tool both for fracture zone mapping and detecting fractures, but in certain areas, it produced different results than the ERT. The applicability of this method has therefore to be tested yet, although its problems most probably origin from human activity which reorganises the near-surface debris distribution. In the test site, both methods displayed fracture zones including a very characteristic one and a number of individual fractures and determined their characteristic distance and significance. Both methods prove to be able to produce hydrogeologically important parameters even individually, but their simultaneous application is recommended to decrease the possible discrepancies.

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Well hydrograph analysis for the characterisation of flow dynamics and conduit network geometry in a karst aquifer, Bükk Mountains, Hungary

Cited by 26 publications

References 11 publications

Karst water resources and their complex utilization in the Bükk Mountains, northeast Hungary: an assessment from a regional hydrogeological perspective

Karst water resources and their complex utilization in the Bükk Mountains, northeast Hungary: an assessment from a regional hydrogeological perspective

Quantitative Evaluation of Karst Developmental Differences Based on Improved Analytic Hierarchy Process and Multidimensional Extension Matter Element Model

Characterisation of Fractures and Fracture Zones in a Carbonate Aquifer Using Electrical Resistivity Tomography and Pricking Probe Methodes

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