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Title:Contaminant trends in urban groundwater: case study from Ljubljana (central Slovenia)
Authors:ID Svetina, Janja (Author)
ID Prestor, Joerg (Author)
ID Jamnik, Brigita (Author)
ID Auersperger, Primož (Author)
ID Brenčič, Mihael (Author)
Files:.pdf PDF - Presentation file, download (7,36 MB)
MD5: C35C9CD6D95C0DAAD57C9408792D9CCC
 
Language:English
Typology:1.01 - Original Scientific Article
Organization:Logo GeoZS - Geological Survey of Slovenia
Abstract:Urban areas can significantly alter the quality status of aquifers if appropriate strategies to prevent and detect groundwater contamination are not implemented in time. The prevention of groundwater contamination should be a priority due to its potential long-term impact on the environment and the high cost of remediation. For effective and sustainable groundwater management, it is crucial to proactively monitor a wide range of compounds to prevent their spread, progression and increasing concentrations. This study is one of the few to analyse the trends of various urban groundwater contaminants (nitrate, sulphate, hexavalent chromium, pesticides, PCE and TCE) from a groundwater management perspective. Characteristic trends are assessed using linear regression and the Mann–Kendall method, while significant changes in trends are determined using the Darken and Pettitt tests. The time span of the analysed trends covers the transition period before and after the implementation of the Water Framework Directive (2000/60/EC) and the Groundwater Directive (2000/60/EC). This study confirms the effectiveness of enforcement measures to protect groundwater quality, as evidenced by several statistically significant decreasing trends. On the other hand, this study emphasises the importance of intervention-targeted sampling campaigns and the reporting of raw analytical values according to the ISO 11843 series of standards. This approach is essential to detect upward trends in emerging contaminants at an early stage and prevent them from reaching levels that could negatively impact the economy or even jeopardise the safety of drinking water supplies.
Keywords:groundwater contamination, contaminant trends, groundwater management, urban aquifer, Ljubljansko polje
Publication status:Published
Publication version:Version of Record
Publication date:20.03.2024
Publisher:MDPI
Year of publishing:2024
Number of pages:20 str.
Numbering:vol. 16, no. 6
PID:20.500.12556/DiRROS-18522 New window
UDC:556.3
ISSN on article:2073-4441
DOI:10.3390/w16060890 New window
COBISS.SI-ID:189747459 New window
Note:
Publication date in DiRROS:25.03.2024
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Downloads:231
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Record is a part of a journal

Title:Water
Shortened title:Water
Publisher:Molecular Diversity Preservation International - MDPI
ISSN:2073-4441
COBISS.SI-ID:36731653 New window

Document is financed by a project

Funder:ARIS - Slovenian Research and Innovation Agency
Funding programme:Javna agencija za znanstvenoraziskovalno in inovacijsko dejavnost Republike Slovenije
Project number:P1-0020-2020
Name:Podzemne vode in geokemija

Funder:EC - European Commission
Funding programme:Interreg Central Europe
Name:Integrated approach to management of groundwater quality in functional urban areas
Acronym:AMIIGA

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

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