Concept for Risk-based Prioritisation of Point Sources

N.D. Overheu, Mads Troldborg, N. Tuxen, J. Flyvbjerg, H. Østergaard, C.B. Jensen, Philip John Binning, Poul Løgstrup Bjerg

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

A large number of point sources pose a threat to ground water resources. A new tool is presented which enables a uniform and transparent risk assessment and prioritisation of these point sources at the catchment scale. The tool integrates aquifer vulnerability mapping, site-specific mass flux estimates on a local scale from all the sources, and 3D catchment-scale fate and transport modelling. It handles point sources at various knowledge levels and accounts for uncertainties. The tool estimates the impacts on the water supply in the catchment and provides an overall prioritisation of the sites using a flexible scoring system. The tool is successfully applied to two catchments in Denmark.
Original languageEnglish
Title of host publicationGQ10 : Proceeding Papers. CD-ROM
VolumeWE-30
PublisherIAHS Press
Publication date2010
Publication statusPublished - 2010
EventGroundwater Quality Management in a Rapidly Changing World : 7th International Groundwater Quality Conference - Zurich, Switzerland
Duration: 13 Jun 201018 Jun 2010
Conference number: 7
http://www.eawag.ch/medien/veranstaltungen/events/gq2010/index_EN

Conference

ConferenceGroundwater Quality Management in a Rapidly Changing World : 7th International Groundwater Quality Conference
Number7
CountrySwitzerland
CityZurich
Period13/06/201018/06/2010
Internet address

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