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Published in:
2015 | OriginalPaper | Chapter
Standardized Approach for Conducting Tracing Tests in Order to Validate and Refine Vulnerability Mapping Criteria
Authors : M. Sinreich, A. Pochon
Published in: Hydrogeological and Environmental Investigations in Karst Systems
Publisher: Springer Berlin Heidelberg
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Abstract
An approach for conducting tracer tests in karst systems is proposed in order to assess differing degrees of groundwater vulnerability. It consists of (i) a standardized artificial recharge scenario, (ii) the selection of conservative tracers, and (iii) application to contrasting vulnerability situations within a catchment. Results from multi-tracer testing at a karst site in Switzerland provided breakthrough curves that were significantly different in terms of mass recovery, which is considered the key parameter for defining a quantitative protection effect. The presented approach may provide a better basis for both punctual validation of vulnerability maps and refinement of associated assessment methods.