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Gaussian simulation of nitrate concentration distribution in the Zagreb aquifer

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  • Zoran Kovač
  • Marko Cvetković
  • Jelena Parlov

Abstract

Nitrates present one of the most common groundwater contaminants in the world and one of the five major groups of contaminants in the study area. Gaussian simulation (GS) algorithm was used for determining the spatial distribution of average nitrate concentrations from 2010 to 2015 on 95 sampling points. Results indicate two main focus areas of nitrate contamination, located on the left and right bank of the Sava River. Those areas generally extend according to groundwater flow, while areas near Sava River have much smaller concentrations. GS showed that they can be useful for this kind of mapping because they favor abrupt changes in data values which are in this case a result of heterogeneous lithological composition of the aquifer.

Suggested Citation

  • Zoran Kovač & Marko Cvetković & Jelena Parlov, 2017. "Gaussian simulation of nitrate concentration distribution in the Zagreb aquifer," Journal of Maps, Taylor & Francis Journals, vol. 13(2), pages 727-732, November.
    • Handle: RePEc:taf:tjomxx:v:13:y:2017:i:2:p:727-732
    DOI: 10.1080/17445647.2017.1354786
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    1. Chowdary, V.M. & Rao, N.H. & Sarma, P.B.S., 2005. "Decision support framework for assessment of non-point-source pollution of groundwater in large irrigation projects," Agricultural Water Management, Elsevier, vol. 75(3), pages 194-225, July.
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