KARST GROUNDWATER BUDGET AND DISCHARGE REGIME OF BANJA SPRING NEAR PETNICA

Vesna Ristić Vakanjac; Petar Papić; Radisav Golubović; Boris Vakanjac; Marina Čokorilo Ilić; Mladen Jokić

doi:10.2298/IJGI1501019R

Authors

Vesna Ristić Vakanjac University of Belgrade, Faculty of Minig and Geology, Belgrade, Serbia
Petar Papić University of Belgrade, Faculty of Minig and Geology, Belgrade, Serbia
Radisav Golubović Petnica Science Center, Petnica, Serbia
Boris Vakanjac Faculty of Applied Ecology, Singidunum University, Belgrade, Serbia
Marina Čokorilo Ilić University of Belgrade, Faculty of Minig and Geology, Belgrade, Serbia
Mladen Jokić Alibunar Municipality

DOI:

https://doi.org/10.2298/IJGI1501019R

Keywords:

karst groundwater, regime, water budget, Banja Spring, Petnica

Abstract

Detailed hydrological and hydrogeological assessments of karst spring discharge require information about the groundwater regime in the study area/watershed. However, groundwater regime monitoring is often organized locally and sporadically, as required for specific studies or projects, and seldom lasts longer than one year. On the other hand, if time series of quantitative parameters are shorter than 15 years, the watershed is considered to be ungauged. As a result, discharge regime and karst aquifer budget assessments of ungauged watersheds can be misleading. To minimize water budget assessment errors, available time series need to be extended as far as possible. Regression models are commonly used to extend, simulate or fill gaps in existing time series. The paper presents an application of multiple linear regression to extend the existing time series of mean monthly discharges of Banja Spring (at Petnica, western Serbia), in order to cover the entire study period (1960-2006).

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References

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