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URN: urn:nbn:de:swb:90-470880

Using large volume samplers for the monitoring of particle bound micro pollutants in rivers

Kittlaus, Steffen; Fuchs, Stephan

The requirements of the WFD as well as substance emission modelling at the river basin scale require stable monitoring data for micro pollutants. The monitoring concepts applied by the local authorities as well as by many scientists use single sampling techniques. Samples from water bodies are usually taken in volumes of about one litre and depending on predetermined time steps or through discharge thresholds. For predominantly particle bound micro pollutants the small sample size of about one litre results in a very small amount of suspended particles. To measure micro pollutant concentrations in these samples is demanding and results in a high uncertainty of the measured concentrations, if the concentration is above the detection limit in the first place. In many monitoring programs most of the measured values were below the detection limit. This results in a high uncertainty if river loads were calculated from these data sets.
The authors propose a different approach to gain stable concentration values for particle bound micro pollutants from river monitoring: A mixed sample of about 1000 L was pumped in a tank with a dirty-wate ... mehr

Zugehörige Institution(en) am KIT Institut für Wasser und Gewässerentwicklung (IWG)
Publikationstyp Poster
Jahr 2015
Sprache Englisch
Identifikator URN: urn:nbn:de:swb:90-470880
KITopen ID: 1000047088
Erschienen in Proceedings of the EGU 2015, European Geosciences Union General Assembly 2015, Vienna, Austria, 12 - 17 April 2015
URLs EGU 2015
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