Претрага
1322 items
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Razvoj algoritma fuzzy optimizacije u hidrodinamičkoj analizi za potrebe projektovanja sistema odbrane od podzemnih voda
Dragoljub Bajić, Dušan Polomčić (2019)Sistemi za odbranu od podzemnih voda se koriste za zaštitu hidrotehničkih objekata, priobalja, meliorativnih područja, naselja, rudnika, industrijskih područja, predstavljajući značajne segmente bez kojih bi funkcionalnost ovih objekata i područja bila dovedena u pitanje. Posebno složeni sistemi odbrane od podzemnih voda se karakterišu kod ležišta mineralnih sirovina, imajući u vidu njihovu dinamičnost, koja se ogleda u stalnom širenju ležišta, kao i činjenicu da ova ležišta prodiru duboko u stensku masu različitog strukturnog tipa poroznosti, a time i u podzemne ...upravljanje podzemnim vodama, hidrodinamički model, fuzzy logika, trougaoni fuzzy brojevi, znanje eksperta, optimizacijaDragoljub Bajić, Dušan Polomčić. "Razvoj algoritma fuzzy optimizacije u hidrodinamičkoj analizi za potrebe projektovanja sistema odbrane od podzemnih voda" in Tehnika, Centre for Evaluation in Education and Science (CEON/CEES) (2019). https://doi.org/10.5937/tehnika1904527B
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Sustainable use of groundwater resources in terms of increasing the capacity of two interconnected groudwater sources: a case study Bečej (Serbia)
Polomčić Dušan, Đekić Milan, Milosavljević Zoran, Popović Zorica, Milaković Miroslav, Ristić-Vakanjac Vesna, Krunić Olivera (2011)Polomčić Dušan, Đekić Milan, Milosavljević Zoran, Popović Zorica, Milaković Miroslav, Ristić-Vakanjac Vesna, Krunić Olivera. "Sustainable use of groundwater resources in terms of increasing the capacity of two interconnected groudwater sources: a case study Bečej (Serbia)" in 11 th International Multidisciplinary Scientific Geo conference / EXPO SGEM 2011-Modern Menagement of Mine Producing, Geology and Environmental Protection, Sofija, Bugarska:International Multidisciplinary Scientific GeoConference & EXPO SGEM (2011): 599-605
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Groundwater resources for drinking water supply in Serbia´s Southeast Pannonian basin
Dušan Polomčić, Bojan Hajdin, Marina Ćuk, Petar Papić, Zoran Stevanović. "Groundwater resources for drinking water supply in Serbia´s Southeast Pannonian basin" in Carpathian Journal of Earth and Environmental Sciences (2014)
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Pregled hidrodinamičkih istraživanja bunara sa horizontalnim drenovima numeričkim metodama
U radu je predstavljen pregled odabranih hidrodinamičkih istraživanja realizovanih primenom numeričkih metoda simulacije kretanja podzemnih voda pod uticajem rada bunara sa horizontalnim drenovima. Na osnovu pristupa u matematičkom i hidrauličkom tretiranju, kao i numeričkoj simulaciji bunara sa horizontalnim drenovima na modelima, predstavljeni su najznačajniji aspekti izrade hidrodinamičkih modela ovog kompleksnog tipa vodozahvatnog objekta. Metodologija obuhvata izbor: a) graničnih uslova za simulaciju prirodnih granica, izvora prihranjivanja i dreniranja izdani; b) primenjivanog stepena diskretizacije prostora obuhvaćenog modelom u planu i profilu; ...horizontalni bunari, hidraulika bunara, analitički modeli, numerički modeli, hidrodinamičko modeliranje podzemnih vodaĐorđije Božović, Dušan Polomčić, Dragoljub Bajić. "Pregled hidrodinamičkih istraživanja bunara sa horizontalnim drenovima numeričkim metodama" in Vodoprivreda, Srpsko društvo za odvodnjavanje i navodnjavanje (2020)
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A contribution to the understanding of the flow regime and water balance of the transboundary river Jerma
Vesna Ristić Vakanjac, Jovana Nikolić, Boris Vakanjac, Marina Čokorilo Ilić, Vida Tanasijević, Milan Đelić (2020)Vesna Ristić Vakanjac, Jovana Nikolić, Boris Vakanjac, Marina Čokorilo Ilić, Vida Tanasijević, Milan Đelić. "A contribution to the understanding of the flow regime and water balance of the transboundary river Jerma" in National Conference with international participation “Geosciences 2020”, Review of the Bulgarian Geological Society, vol. 81, part 3, Sofia : Bulgarian geological society (2020)
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Influence of geological substrate on runoff formation, a case study: small river catchments in southeastern Serbia of similar size and with comparable pluviographic regimes
Vesna Ristić Vakanjac, Veljko Marinović, Nikola Milovanović, Marina Čokorilo Ilić, Boris Vakanjac, Jugoslav Nikolić, Saša Bakrač (2022)We are witnessing climate change that is happening both, globally and, at the regionally - or local level. As a result of expected climate change in Southeast Europe, in the first place are the distributions of precipitation within the year (frequent extreme events are present) and then the increase in temperature, which already has a significant impact on evapotranspiration and runoff formed in a particular catchment area. In addition to climatic factors, the geological structure, i.e. the hydrogeological characteristics ...Vesna Ristić Vakanjac, Veljko Marinović, Nikola Milovanović, Marina Čokorilo Ilić, Boris Vakanjac, Jugoslav Nikolić, Saša Bakrač. "Influence of geological substrate on runoff formation, a case study: small river catchments in southeastern Serbia of similar size and with comparable pluviographic regimes" in XXII International Congress of the Carpathian Balkan Geological Association (CBGA), Sofia : Bulgarian Academy of Sciences (2022)
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Karst aquifer impact on the formation of surface runoff: case study of the Resava River catchment, Serbia
Marina Mitrašinović, Vesna Ristić Vakanjac, Veljko Marinović, Saša Milanović, Ljiljana Vasić, Dušan Polomčić (2022)The paper compares the flow regimes of the Resava River at the gauging stations of the Manasija Monastery (upper course) and the town of Svilajnac (lower course). The hydrological analysis encompasses a multiyear period of monitoring (1982–2020). The water budget and baseflow index are assessed for the catchment areas monitored by the Svilajnac station (683 km2) and the Manasija Monastery station (358k m2), considering the overall monitoring period and characteristic years. The results indicate that the specific runoff in ...... aquifer impact on the formation of surface runoff: case study of the Resava River catchment, Serbia Marina Mitrašinović, Vesna Ristić Vakanjac, Veljko Marinović, Saša Milanović, Ljiljana Vasić, Dušan Polomčić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Karst ...
... aquifer impact on the formation of surface runoff: case study of the Resava River catchment, Serbia | Marina Mitrašinović, Vesna Ristić Vakanjac, Veljko Marinović, Saša Milanović, Ljiljana Vasić, Dušan Polomčić | National Conference with International Participation “GEOSCIENCES 2022” | 2022 | | http://dr ...
... KapčcToBHTe BO/IH BbpXy HIOBbpXHOCTHH5I OTTOK: IIpHiMep C B0JIO0COopa Ha peKa PecaBa, Cbpoasu Marina Mitrašinović, PFesna Ristić Pakanjac, Peljko Marinović, Saša Milanović, Ljiljana Pasić, Dušan Polomčić Mapuna Mumpauunoduu, Becna Pucmuu BakKanuau, Benxo Mapunoauu, Caaa Munanoduu, Jlunana Bacuu ...Marina Mitrašinović, Vesna Ristić Vakanjac, Veljko Marinović, Saša Milanović, Ljiljana Vasić, Dušan Polomčić. "Karst aquifer impact on the formation of surface runoff: case study of the Resava River catchment, Serbia" in National Conference with International Participation “GEOSCIENCES 2022”, Sofia : Bulgarian geological society (2022)
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Application of the DPSIR approach to identify pressures on water resources in the Drina river basin
Milica Stepanović, Dragoljub Bajić, Momčilo Blagojević, Sanja Bajić. "Application of the DPSIR approach to identify pressures on water resources in the Drina river basin" in Review of the Bulgarian Geological Society (National Conference with International Participation GEOSCIENCES 2023), Sofia : Bulgarian Academy of Sciences (2023)
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Uticaj voda Dunava na formiranje kvaliteta podzemnih voda u zoni Apatina
Područje Apatina u proteklom periodu često je pominjano u razvojnim vodoprivrednim strategijama kao potencijalno perspektivna lokacija za izgradnju izvorišta duž obale Dunava, koje bi moglo da ima regionalni značaj. Ovim rešenjem trebao bi se prevazići problem lošeg kvaliteta vode za piće na celom području severne Bačke, tako što bi se kvalitet podzemne vode poboljšao zahvatanjem infiltriranih rečnih voda u priobalju Dunava. Istraživanjima koja je Departman za hidrogeologiju, Rudarsko-geo¬loškog fakulteta vršio tokom poslednjih 13 godina na izvorištima za vodosnabdevanje grada ...Bojan Hajdin, Željko Kljajić, Vesna Ristić-Vakanjac, Milojko Lazić, Marina Čokorilo-Ilić. "Uticaj voda Dunava na formiranje kvaliteta podzemnih voda u zoni Apatina" in Tehnika, Centre for Evaluation in Education and Science (CEON/CEES) (2018). https://doi.org/10.5937/tehnika1806791H
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Fuzzy optimization in hydrodynamic analysis of groundwater control systems: Case study of the pumping station “Bezdan 1”, Serbia
Dragoljub Bajić, Dušan Polomčić (2014)A groundwater control system was designed to lower the water table and allow the pumping sta-tion “Bezdan 1” to be built. Based on a hydrodynamic analysis that suggested three alternative solutions, mul-ticriteria optimization was applied to select the best alternative. The fuzzy analytic hierarchy process methodwas used, based on triangular fuzzy numbers. An assessment of the various factors that influenced the selec-tion of the best alternative, as well as fuzzy optimization calculations, yielded the “weights” of the alternativesand the ...groundwater lowering, groundwater management scenario, fuzzy analytic hierarchy process,expert knowledge, triangular fuzzy numbers, linguistic variables... Serbia Dragoljub Bajić, Dušan Polomčić Дигитални репозиторијум Рударско-геолошког факултета Универзитета у Београду [ДР РГФ] Fuzzy optimization in hydrodynamic analysis of groundwater control systems: Case study of the pumping station “Bezdan 1”, Serbia | Dragoljub Bajić, Dušan Polomčić | Geološki ...
... above sea level and Bezdan–Vrbas Canal 84.80 m.a.s.l.) were used in the predictive hydro- dynamic analysis. The groundwater control sys- DRAGOLJUB BAJIĆ & DUŠAN POLOMČIĆ104 tem is comprised of 12 wells, whose capacity is 40 l/s each. The time needed to lower the water table to below the design elevation ...
... number. The degree of possibility of a convex fuzzy number to be greater than k, the convex fuzzy numbers Mi can be defined by i=1,2,…,k: DRAGOLJUB BAJIĆ & DUŠAN POLOMČIĆ106 Table 1. Fuzzified Saaty’s scale for pairwise comparisons (DENG 1999) Then, summing everything up, it follows that: c’(Ai)=minV(Si ...Dragoljub Bajić, Dušan Polomčić. "Fuzzy optimization in hydrodynamic analysis of groundwater control systems: Case study of the pumping station “Bezdan 1”, Serbia" in Geološki anali Balkanskoga poluostrva, Belgrade : University of Belgrade - Faculty of mining and geology (2014). https://doi.org/10.2298/GABP1475103B
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40 godina Departmana za hidrogeologiju
Polomčić Dušan, Ristić-Vakanjac Vesna (2011)Polomčić Dušan, Ristić-Vakanjac Vesna. 40 godina Departmana za hidrogeologiju, Beograd:Rudarsko-geološki fakultet, 2011
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40 godina Departmana za hidrogeologiju
Polomčić Dušan, Ristić-Vakanjac Vesna (2011)Polomčić Dušan, Ristić-Vakanjac Vesna. 40 godina Departmana za hidrogeologiju, Beograd:Rudarsko-geološki fakultet, 2011: 154
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Hydrogeological and hydrodynamic characteristics of groundwater sources for the public water supply of Bečej (northern Serbia)
Polomčić Dušan, Krunić Olivera, Ristić-Vakanjac Vesna. "Hydrogeological and hydrodynamic characteristics of groundwater sources for the public water supply of Bečej (northern Serbia)" in Geološki anali Balkanskog poluostrva no. 72, Beograd:Rudarsko-geološki fakultet (2011): 143-157
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Centar za hidrogeologiju karsta - 15 godina nauke i struke
... ma koje se bave ovim ili sličnim problemima Je Još jedan od zadataka Centra” U trenutku osnivanja, u Centru su radili Zoran Stevanović, Saša Milanović i Vesna Ristić Vakanjac, a ubrzo im se pridružio i Branislav Petrović, stipendista Ministarstva nauke i tehnologije. Tokom 2009. godine tim Je ...
... problems is another of the tasks of the Center” At the time of its establishment, the core staff of the Center included Zoran Stevanović, Saša Milanović and Vesna Ristić Vakanjac, and they were soon Joined by Branislav Petrović, a scholarship recipient of the Ministry of Science and Technology. During ...
... CEKA kursu bili su prof. dr Zoran Stevanović, dr Neven Krešić, dr Petar Milanović, prof. em. dr Ognjen Bonacci, prof. dr Francesco Fiorilo, prof. dr Bartolome Andreo Navarro, prof dr Dragan Milovanović, dr Neno Kukurić, dr Saša Milanović i prof. dr Vesna Ristić Vakanjac. Prvi CEKA kurs je ukupno ...urednici Saša Milanović, Ljiljana Vasić, Zoran Stevanović, Branislav Petrović. Centar za hidrogeologiju karsta - 15 godina nauke i struke, Beograd : Univerzitet u Beogradu, Rudarsko-geološki fakultet, Centar za hidrogeologiju karsta, 2023
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Application of a Complex Hydrodynamic Analysis in Assessing the Feasibility of Increasing Source Yield: Case Study of Podrum Palic (Serbia)
Polomčić Dušan, Parlić Srđan, Ristić-Vakanjac Vesna. "Application of a Complex Hydrodynamic Analysis in Assessing the Feasibility of Increasing Source Yield: Case Study of Podrum Palic (Serbia)" in Conference on Water observation and information system for decision support, 25-29 May 2010 Ohrid, Republic of Macedonia, Skopje, Macedonia:Faculty of civil engineering (2010): 1-10
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Brief hydrogeology on the Dinaric karst with emphasis on the SE of the Adriatic basin
Stevanović Zoran (2014)Stevanović Zoran. "Brief hydrogeology on the Dinaric karst with emphasis on the SE of the Adriatic basin" in Field Trip Guide : Trebinje, June 2014, Belgrade:DIKTAS Project : Faculty of Miming and Geology, Department for Hydrogeology (2014): 7-17
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Definition of the size of the Krupac spring drainage area (Carpatho-Balkanide Arch, Southern Serbia) for a Karst Aquifer Water Balance
Ristić-Vakanjac Vesna, Prohaska Stevan, Polomčić Dušan. "Definition of the size of the Krupac spring drainage area (Carpatho-Balkanide Arch, Southern Serbia) for a Karst Aquifer Water Balance" in Conference on Water observation and information system for decision support, 25-29 May 2010 Ohrid, Republic of Macedonia, Skopje, Macedonia: Faculty of civil engineering (2010): 1-10
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Present Situation and Alternative Water Supply Solutions for Northern Vojvodina (Serbia)
The northern part of the Autonomous Province of Vojvodina is situated in the central and southeastern sectors of the Pannonian Basin. Drinking water supply is provided by groundwater abstraction from depths of 60 to 200 m. The quality of that water is poor, especially due to high concentrations of arsenic which most water supply systems do not remove. Current planning documents call for the construction of large regional water supply schemes on the banks of the Danube and Tisa ...Bojan Hajdin, Vesna Ristić-Vakanjac, Dušan Polomčić. "Present Situation and Alternative Water Supply Solutions for Northern Vojvodina (Serbia)" in Proceedings of Bulgarian Academy of Sciences, "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences (2020). https://doi.org/10.7546/CRABS.2020.04.09
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WP4-Availability of Water Resources
Stevanović Zoran, Ristić-Vakanjac Vesna, Milanović Saša. "WP4-Availability of Water Resources" in Climate Changes and Impacts on Water Supply, Beograd, Srbija:Rudarsko-geološki fakultet (2012): 133-176
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Regional settings and correlation of exploration results for the Narst uranium deposit Dornogobi ptovince, south east Mongolia
Stevanović Zoran, Ristić-Vakanjac Vesna, Milanović Saša. "Regional settings and correlation of exploration results for the Narst uranium deposit Dornogobi ptovince, south east Mongolia" in Climate Changes and Impacts on Water Supply, Beograd, Srbija:Rudarsko-geološki fakultet (2012): 61-74