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4 results on '"Bobovečki, Ivana"'

2. Geothermal potential of Krapinsko-Zagorska County - Croatia

Author

Marković, Tamara, Šolaja, Dragana, Bobovečki, Ivana, Šostarić, Filip, Strejček, Damir, Brkić, Željka, Larva, Ozren, Dolić, Mario, Pomper, Nataša, Borović, Staša, Đumbir, Ana-Maria, Hlaban, Nataša, Barilar, Karolina, Šalković, Ivana, Frbežar, Ksenija, Kuhta, Mladen, Posavec, Kristijan, and Marković, Tamara

Subjects
thermal groundwater, water temperature, utilization, Krapinsko-Zagorska County
Abstract

Favourable geothermal properties which are characteristic of the major part of the Pannonian basin also extend into its south-western margin where Croatia is situated. The Krapinsko –Zagorska County is situated in the Pannonian part of Croatia, in its north-western part, and there are lot of natural thermal springs which are used mainly in balneology and less in other purposes (district heating, individual space heating of communal buildings and in the agriculture sector). The modes of utilization vary according to water temperatures, e.g. waters of the lowest temperatures are used for the public water supply, bottling and fish farming, while waters of the highest temperatures are utilized for water and space heating. Since the production of energy for heating households, industry, buildings etc. in the county territory depends on the import gas from Russia it is advisable to endorse geothermal energy into its energy mix, especially into the heating sector which accounts for 40% of primary energy consumption and for a significant share of CO2 emissions. During the DARLINGe project which is supported by the Danube Transnational Program, will be boost the challenge of the sustainable utilization of the existing thermal groundwater resources in the county area. The most important localities in the county territory where thermal waters occur or they were drilled are: Harina Zlaka, Kumrovec, Stubičke Toplice, Krapinske Toplice, Tuheljske Toplice, Jezerčica, Šemničke Toplice and Gotalovec. According to the water temperature, thermal waters in the county territory are range from subthermal to hyperthermal (22 – 45 oC). According to the major ionic composition, water from Stubičke toplice belong to a CaMgNa- HCO3SO4 mixed type ; while the rest of thermal waters belong to the CaMg-HCO3 type The most diversified use is accounted for in Stubičke toplice: recreation, balneotherapy, water and space heating, greenhouse heating and sanitary water.

Published
2017

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

Author

Rman, Nina, Bălan, Lidia-Lenuța, Bobovečki, Ivana, Gál, Nóra, Jolović, Boban, Lapanje, Andrej, Marković, Tamara, Milenić, Dejan, Skopljak, Ferid, Rotár-Szalkai, Ágnes, Samardžić, Natalija, Szőcs, Teodóra, Šolaja, Dragana, Toholj, Nenad, Vijdea, Anca-Marina, and Vranješ, Ana

Subjects
SILICICLASTIC rocks, HOT springs, GEOTHERMAL resources, CARBONATE rocks, WATER temperature, DRINKING water, SANDSTONE
Abstract

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 km2. 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. [ABSTRACT FROM AUTHOR]

Published
2020
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4. Training material - geothermal resource management

Author

Nador, Annamaria, Gál, Nóra, Gulyás, Ágnes, Kerékgyártó, Tamás, Kovács, Attila, Rotár-Szalkai, Ágnes, Szőcs, Teodóra, Zilahi-Sebess, László, Medgyes, Tamás, Szanyi, János, Hólm, Lárus, Lapanje, Andrej, Rajver, Dušan, Rman, Nina, Borović, Staša, Brkić, Željka, Larva, Ozren, Marković, Tamara, Pomper, Nataša, Brkić, Dubravka, Koletić, Ivana, Bobovečki, Ivana, Hlaban, Nataša, Šoštarić, Filip, Samardzic, Natalija, Jolović, Boban, Fărnoaga, Radu, Vîjdea, Anca-Marina, Olah, Stefan, Milenic, Dejan, and Vrajnes, Ana

Subjects
Bosnia and Herzegovina, Hungary, geology, hydrogeology, Croatia, Romania, geothermal energy, Slovenia, exploration, Serbia
Abstract

Part I – Overview of geological, hydrogeological and geothermal conditions of the DARLINGe countries Part II – Introduction to deep geothermal energy: play types, potential estimation methods, geothermal modelling, classification of resources/reserves Part III – Utilization and management of hydrothermal resources Part IV – Geo-techno-economic and environmental aspects of geothermal direct use projects Part V – Data integration and visualization, DARLINGe - Interreg - Danube Transnational Programme

Published
2017
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