engleski

Determination of the Inflow Area of the Wellfield Vinokovščak by Using Numerical Methods

Groundwater resources are the most important sources of drinking water for human needs, so their protection is recognized as one of the global priorities. Because wellfields are particularly vulnerable due to the impact on groundwater flow, more attention is paid to the protection of their inflow areas, which is crucial for quality water supply. For this work, the research area is determined, which includes the wider area of the Vinokovščak wellfield located northwest of the city of Varaždin in Croatia. Based on the previously developed groundwater flow model of the Varaždin aquifer, a model that covers the defined area of the Vinokovščak wellfield is developed. The inflow area of the observed wellfield in working conditions is determined based on the flow model. The results of the research show that the water protection zones of the sanitary protection are marked by applicable regulations, however, to further preserve the groundwater quality at the observed wellfield, it is recommended to additionally protect the wider catchment area. The developed groundwater flow model presents the starting point for further research to locate and quantify sources of pollution that affect the groundwater quality of the observed wellfield.

groundwater ; wellfield ; protection ; quality ; numerical model

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