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Development of a Hydrogeological Conceptual Model of the Varaždin Alluvial Aquifer (CROSBI ID 289887)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Karlović, Igor ; Marković, Tamara ; Vujnović, Tatjana ; Larva, Ozren Development of a Hydrogeological Conceptual Model of the Varaždin Alluvial Aquifer // Hydrology, 8 (2021), 19, 13. doi: 10.3390/hydrology8010019

Podaci o odgovornosti

Karlović, Igor ; Marković, Tamara ; Vujnović, Tatjana ; Larva, Ozren

engleski

Development of a Hydrogeological Conceptual Model of the Varaždin Alluvial Aquifer

The Varaždin aquifer represents the main source of water for public supply, agricultural, and industrial purposes in the Varaždin County in NW Croatia. In the last decades, this area has experienced contamination of groundwater with nitrates. This study describes the conceptualization of the Varaždin aquifer for the purpose of developing numerical model of groundwater flow and nitrate transport. Within the study, three important elements are defined: aquifer geometry, recharge from precipitation, and other boundary conditions. 3D aquifer model revealed that Varaždin aquifer consist of three layers: upper aquifer, semipermeable interlayer, and lower aquifer. The Wetspass-M model was used for the assessment of spatial and temporal distribution of water balance components for the period 2008–2017. Results of the model indicate that the average annual precipitation is distributed as 34% groundwater recharge, 21% surface runoff, and 45% actual evapotranspiration. The maps of equipotential lines show the behavior of the aquifer system and define boundary conditions, i.e., recharge and discharge areas of the aquifer: an inflow boundary from Drava River and accumulation lake Varaždin on the northwest and north, no flow boundary on the west and south, and an outflow boundary on the east.

conceptual model ; aquifer geometry ; groundwater recharge ; boundary conditions ; alluvial aquifer ; Croatia

Igor Karlović i Tamara Marković su glavni autori ovog rada.

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Podaci o izdanju

8

2021.

19

13

objavljeno

2306-5338

10.3390/hydrology8010019

Trošak objave rada u otvorenom pristupu

Povezanost rada

Geologija, Rudarstvo, nafta i geološko inženjerstvo

Poveznice
Indeksiranost