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Four Years of Sediment and Phosphorus Monitoring in the Kraichbach River Using Large-Volume Samplers

Allion, Katharina; Kiemle, Lisa; Fuchs, Stephan

Abstract:

Various sampling strategies come into operation to monitor water quality in rivers. Most frequently, grab samples are taken, but they are not suitable for recording the highly dynamic transport of solids and solid-bound pollutants. Composite samples reduce the influence of input and transport dynamics and are better suited to determine the annual river loads. Large-volume samplers (LVSs) produce both a composite sample over a long period of time and an amount of solids which allows for further analyses. In the small sub-catchment area of the Kraichbach river in Baden-Wuerttemberg (Germany) two LVSs have been installed to sample the river flow. The concentration of solids and phosphorus in the supernatant water and the settled sediment in the sampler have been determined and mean concentrations have been derived. Annual river loads were calculated in combination with discharge data from the nearby gauging station. Two sampling strategies of the LVS were tested and compared. For the first strategy, the LVS was used to collect quasi-continuous composite samples throughout the year, whereas, with the second strategy, samples were taken specifically for different flow conditions (low, mean and high flow). ... mehr


Verlagsausgabe §
DOI: 10.5445/IR/1000142063
Veröffentlicht am 20.01.2022
Originalveröffentlichung
DOI: 10.3390/w14010120
Scopus
Zitationen: 3
Web of Science
Zitationen: 3
Dimensions
Zitationen: 4
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Wasser und Gewässerentwicklung (IWG)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2022
Sprache Englisch
Identifikator ISSN: 2073-4441
KITopen-ID: 1000142063
Erschienen in Water (Switzerland)
Verlag MDPI
Band 14
Heft 1
Seiten 120
Bemerkung zur Veröffentlichung Gefördert durch den KIT-Publikationsfonds
Schlagwörter large-volume sampler; suspended solids; phosphorus concentration; water quality; river load; composite sample
Nachgewiesen in Scopus
Web of Science
Dimensions
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