Potentials of transboundary thermal water resources in the western part of the Pannonian basin

Rman, Nina; Gál, Nóra Edit; Marcin, Daniel; Weilbold, Julia; Schubert, G.; Lapanje, Andrej; Rajver, Dušan; Benková, Katarína; Nádor, Annamária

doi:10.1016/j.geothermics.2015.01.013

Cited by 22 publications

(16 citation statements)

References 24 publications

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“…In the central part the subsidence and sedimentation continued, and these permeable layers, the so called ''Upper Pannonian reservoir'', was buried under 2 km thick sediment pile. It is the main thermal water bearing layer in the Danube basin and the Mura-Zala basin (Rman et al 2015;Horváth et al 2015;Tóth et al 2016). In the Vienna basin sediments were deposited in some 100 m thickness after Late Miocene, and in the Styrian basin even erosion occurred (Hölzel et al 2008;Sachsenhofer et al 1997).…”

Section: Geological Settingmentioning

confidence: 99%

“…The Pannonian basin is one of the most favorable areas in Europe to utilize geothermal energy owing to the high heat flow density (Hurter and Haenel 2002;Rajver and Ravnik 2002;Franko et al 1995;Lenkey et al 2002) and abundance of thermal water stored in the porous-permeable sediments and in the fractured basement (Goldbrunner 2000;Fendek and Fendekova 2010;Rman et al 2015;Szanyi and Kovács 2010;Horváth et al 2015). The geothermal resources are shared amongst the countries located in the area, therefore the sustainable production of thermal water requires coordinated actions.…”

Section: Introductionmentioning

confidence: 99%

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Lithospheric scale 3D thermal model of the Alpine–Pannonian transition zone

et al. 2017

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In this paper we present the results of 3D conductive thermal modeling of the Alpine-Pannonian transition zone. The study area comprises the Vienna, Danube, Styrian and Mura-Zala basins, surrounded by the Eastern Alps, the Western Carpathians and Transdanubian Range. The model consists of three layers: Tertiary sediments, the underlying crust and lithospheric mantle. The crust and mantle were homogenous with constant thermal properties. Heat production in the sediments and crust was 1 lW/m 3. The thermal conductivity of sediments varied horizontally and vertically and based on laboratory measurements. We tested two scenarios: a steady-state and a time-dependent case. The conductive heat transport equation was solved by finite element method using Comsol Multiphysics. The results of the steady-state model fit to the observation in the northern part of the study area, but this model predicts lower heat flow density and temperatures than observed in the southern part of the study area including the Styrian basin. The area underwent lithospheric stretching during the Early-Middle Miocene time, therefore the temperature field in the lithosphere is not steady-state. We calculated the initial temperature distribution in the lithosphere at the end of rifting using non-homogeneous stretching factors, and we modeled the present day thermal field. The results of the time-dependent model fit to the observed heat flow density and temperatures, except in those areas where intensive groundwater flow occurs in the carbonatic basement of the Transdanubian Range and Northern Calcareous Alps, and the metamorphic basement high between the Mura trough and Styrian basin. We conclude that time-dependent model is able to predict the temperature field in the upper 6-8 km of the crust, and is a valuable tool in EGS exploration.

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Section: Geological Settingmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Lithospheric scale 3D thermal model of the Alpine–Pannonian transition zone

et al. 2017

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“…Most studied degassing locations are commercial wells (for hydrogeological, hydrochemical and geothermal characteristics see Pezdič, 1991;Zetinigg, 1992/93;Kralj and Kralj, 2000;Lapanje, 2006;Kralj et al, 2009;Szöcs et al, 2013;Rman, 2014;Rman et al, 2015). The (Nosan, 1975).…”

Section: Sampling Locations Sampling and Techniquesmentioning

confidence: 99%

Helium and carbon isotope signatures of gas exhalations in the westernmost part of the Pannonian Basin (SE Austria/NE Slovenia): Evidence for active lithospheric mantle degassing

et al. 2016

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“…Pannonian sedimentary basin has a huge geothermal potential for direct use of thermal water (Horváth et al 2015;Nádor et al 2012;Rman et al 2015a;Tóth et al 2016, and many others) but with still prevalent use for bathing and balneology. In this region, many of these vast geothermal resources have been used for a long time: not only mainly 1 Page 2 of 12 for bathing and balneology, but also to some extent in the agricultural sector, and for space heating.…”

Section: Introductionmentioning

confidence: 99%

Geothermal sources and utilization practice in six countries along the southern part of the Pannonian basin

Rman

Bălan

Bobovečki³

et al. 2019

Environ Earth Sci

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Data on thermal water sources with outflow temperature of 30 °C and above were analyzed from the N-ern parts of Bosnia and Herzegovina, Serbia and Croatia, S-ern parts of Hungary, W-ern parts of Romania, and NE-ern parts of Slovenia, altogether from an area of 99,347 km 2. The overview identified 771 geothermal sources; only 7 were thermal springs. The average well depth is about 1.2 km. About 13% of wells are younger than 10 years, additional 17% below 30 years; while 26% are older than 50 years. Average thermal water outflow temperature is 54 °C being the highest, 170 °C, in Croatia. Most thermal water is produced from basin fill sediments-Lower and Upper Pannonian (Mio-Pliocene) loose sandstones which are tapped by 86% of wells. The rest appertains to basement rocks-fissured, fractured and karstified Paleozoic, Mesozoic and Middle Miocene metamorphic, carbonate and siliciclastic rocks. In total, 72% sources hold water rights, 6% mining rights, 2% geothermal rights and 1% has no rights. The permits allow much higher water abstraction as currently listed. Usage for bathing and balneology encompasses 24% of all active sources (155), some of these also with heating (23). 104 objects (16%) are used for heating, also district heating (13) and individual space heating (3). An additional 10% (70) are used in agriculture, mainly greenhouse heating. There are 41 reinjection wells (5%). It is primarily in Hungary that drinking water (17%), industrial usage (5%) and monitoring wells (2%) are also common.

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Potentials of transboundary thermal water resources in the western part of the Pannonian basin

Cited by 22 publications

References 24 publications

Lithospheric scale 3D thermal model of the Alpine–Pannonian transition zone

Lithospheric scale 3D thermal model of the Alpine–Pannonian transition zone

Helium and carbon isotope signatures of gas exhalations in the westernmost part of the Pannonian Basin (SE Austria/NE Slovenia): Evidence for active lithospheric mantle degassing

Geothermal sources and utilization practice in six countries along the southern part of the Pannonian basin

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