Karst groundwater protection: First application of a Pan-European Approach to vulnerability, hazard and risk mapping in the Sierra de Líbar (Southern Spain)

The European COST action 620 proposed a comprehensive approach to karst groundwater protection, comprising methods of intrinsic and specific vulnerability mapping, validation of vulnerability maps, hazard and risk mapping. This paper presents the first application of all components of this Pan-Europ...

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Bibliographic Details
Published in:	The Science of the total environment Vol. 357; no. 1; pp. 54 - 73
Main Authors:	Andreo, Bartolomé, Goldscheider, Nico, Vadillo, Iñaki, Vías, Jesús María, Neukum, Christoph, Sinreich, Michael, Jiménez, Pablo, Brechenmacher, Julia, Carrasco, Francisco, Hötzl, Heinz, Perles, María Jesús, Zwahlen, François
Format:	Journal Article
Language:	English
Published:	Shannon Elsevier B.V 15-03-2006 Elsevier Science
Subjects:	Applied sciences Conservation of Natural Resources Earth sciences Earth, ocean, space Enterobacteriaceae Exact sciences and technology Feces - microbiology Geological Phenomena Geology Groundwaters Hydrocarbons, Aromatic Hydrology. Hydrogeology Intrinsic vulnerability Karst Natural water pollution Pan-European Approach Pollution Risk Assessment Sierra de Líbar Spain Specific vulnerability Water Pollutants Water resources Water Supply Water treatment and pollution Europe Spain Spain, Andalucia Spain, Andalusia Pan-European Approach Intrinsic vulnerability Specific vulnerability Sierra de Líbar Karst Risk assessment Cartography Hydrocarbon Microbiology Escherichia coli Water resource management Aquifers Aquifer vulnerability Hydrogeology Pathogenic Bacteria Aromatic compound Water pollution Spécifie vulnerability Biological contamination Organic compounds Enterobacteriaceae Ground water Environmental protection
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Summary:	The European COST action 620 proposed a comprehensive approach to karst groundwater protection, comprising methods of intrinsic and specific vulnerability mapping, validation of vulnerability maps, hazard and risk mapping. This paper presents the first application of all components of this Pan-European Approach to the Sierra de Líbar, a karst hydrogeology system in Andalusia, Spain. The intrinsic vulnerability maps take into account the hydrogeological characteristics of the area but are independent from specific contaminant properties. Two specific vulnerability maps were prepared for faecal coliforms and BTEX. These maps take into account the specific properties of these two groups of contaminants and their interaction with the karst hydrogeological system. The vulnerability assessment was validated by means of tracing tests, hydrological, hydrochemical and isotope methods. The hazard map shows the localization of potential contamination sources resulting from human activities, and evaluates those according to their dangerousness. The risk of groundwater contamination depends on the hazards and the vulnerability of the aquifer system. The risk map for the Sierra de Líbar was thus created by overlaying the hazard and vulnerability maps.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23 ObjectType-Article-2 ObjectType-Feature-1
ISSN:	0048-9697 1879-1026
DOI:	10.1016/j.scitotenv.2005.05.019