PovzetekUDK 556.33:519.216 Zoran Stevanovic, Sasa Milanovic & Vesna Ristic: Pomožne metode za ocenjevanje efektivne poroznosti ter reguliranje kraških vodonosnikov Regulacija kraškega vodonosnika obsega inženirsko posredovanje z namenom nadzorovati pretok voda ter upravljati vodne zaloge. Eden najpomembnejši� pogojev za izvedljivost in uspešnost regulacijski� projektov je prava ocena efektivne poroznosti vodonosnika (uskladiščenje) ter akumulirani� zalog podzemne vode. Ta članek je osredotočen na nekaj določeni� metod, ki la�ko prispevajo k zanesljivi oceni obsega in prostornine efektivnega uskladiščenja v krasu: potapljaške raziskave jam, merjenje votlin s kamero, sto�astične analize pretočnega režima in 3D modeliranje kraške notranjosti. Opisane so aplikacije te� metod na izbrani� testni� območji� v črni gori, Alžiriji in Srbiji. Te metode so bile uporabljene kot del raziskovalnega programa, ki je bil izveden v zaledju največjega izvira karpatskega krasa v Srbiji, izvira Mlava. Rezultati dobljeni s sto�astičnimi analizami pretočnega režima na izviru, potapljaškimi raziskavami izvirskega sifona in 3D modeliranjem za rekonstrukcijo mreže kanalov v kraški notranjosti, so še posebej pomembni. Ključne besede: regulacija kraškega vodonosnika, efektivna poroznost, jamarsko potapljanje, snemanje s kamero, sto�astične analize, 3D kanalsko modeliranje. Regulation of a karst aquifer implies engineering interventions designed to control its flow and manage its water reserves. One of t�e most important prerequisites for t�e feasibility and success of regulation projects is proper assessment of aquifer effective porosity (storativity) and accumulated groundwater reserves. This paper is focused on several specific met�ods w�ic� can contribute to a reliable assessment of t�e size and volume of effective storage in karst: cave diving survey, camera logging of cavities, stoc�astic analysis of disc�arge regime and 3D modelling of karst interior. The application of t�ese met�-modelling of karst interior. The application of t�ese met�-of karst interior. The application of t�ese met�-ods on selected test sites in Montenegro, Algeria and Serbia are described. These met�ods were applied as part of t�e researc� programme conducted in t�e catc�ment of Mlava Spring, t�e largest spring in t�e Carpat�ian karst of Serbia. The results obtained by t�e stoc�astic analyses of t�e spring's disc�arge regime, as well as sip�on diving of t�e spring and 3D modelling modelling for reconstruction of conduits networks in karst interior are particularly important.
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