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Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12128/22085
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dc.contributor.authorŚlósarczyk, Kinga-
dc.contributor.authorWitkowski, Andrzej Jarosław-
dc.date.accessioned2021-12-13T08:51:12Z-
dc.date.available2021-12-13T08:51:12Z-
dc.date.issued2021-
dc.identifier.citation"Water", Vol. 13, iss. 21, 2021, art. no. 3091, s. 1-15pl_PL
dc.identifier.issn2073-4441-
dc.identifier.urihttp://hdl.handle.net/20.500.12128/22085-
dc.description.abstractThis paper addresses groundwater pollution and the potential presence of pesticides within the catchment areas of two reservoirs that are sources of drinking water. The two reservoirs are Goczałkowice and Kozłowa Góra, both in Southern Poland. Agricultural and rural areas dominate both catchments. Archival data showed local groundwater contamination with nitrates. This indicated the possible presence of pesticides in shallow groundwater. In total, 13 groundwater samples from shallow sandy aquifers were collected. All the samples were tested for the presence of 35 organophosphate pesticides and 28 organochlorine pesticides. Additionally, in order to determine the current groundwater conditions, physicochemical parameters were measured in the field, and water samples were subjected to analysis of their chemical composition (incl. the determination of nitrates). The research outcomes showed that pesticides were not detected above the detection limits in any of the samples. Due to variations in the persistence and degradation rates of pesticides, the occurrence of these substances in the groundwater environment and the possibility of their migration to aquifers should not be completely excluded. Natural processes and factors (e.g., sorption, biodegradation, hydrolysis and redox conditions) may gradually reduce the pesticide concentrations in groundwater. The chemical analyses revealed high concentrations of nitrates in the groundwater. This suggests the possible influence of agriculture and fertilizer application on groundwater quality; however, a proportion of NO3- ions may be connected with improper sewage management within the two catchments. The absence of pesticides in groundwater impacted by agriculture may result from processes occurring in the aquifer and the rapid degradation of these compounds due to photolysis and prevailing weather conditions. In the vicinity of dwellings, nitrates also originate from domestic wastewater. Thus, the occurrence of pesticides in groundwater contaminated with NO3 cannot always be expected.pl_PL
dc.language.isoenpl_PL
dc.rightsUznanie autorstwa 3.0 Polska*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/pl/*
dc.subjectpesticidespl_PL
dc.subjectemerging contaminantspl_PL
dc.subjectnitratesalitypl_PL
dc.subjectagriculturepl_PL
dc.subjectgroundwater qualitypl_PL
dc.titlePreliminary evaluation of the possible occurrence of pesticides in groundwater contaminated with nitrates – a case study from Southern Polandpl_PL
dc.typeinfo:eu-repo/semantics/articlepl_PL
dc.identifier.doi10.3390/w13213091-
Appears in Collections:Artykuły (WNP)

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Uznanie Autorstwa 3.0 Polska Creative Commons License Creative Commons