Articles | Volume 24, issue 10
https://doi.org/10.5194/hess-24-4709-2020
https://doi.org/10.5194/hess-24-4709-2020
Technical note
 | 
05 Oct 2020
Technical note |  | 05 Oct 2020

Technical note: A time-integrated sediment trap to sample diatoms for hydrological tracing

Jasper Foets, Carlos E. Wetzel, Núria Martínez-Carreras, Adriaan J. Teuling, Jean-François Iffly, and Laurent Pfister

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Cited articles

Abonyi, A., Leitão, M., Lançon, A. M., and Padisák, J.: Phytoplankton functional groups as indicators of human impacts along the River Loire (France), Hydrobiologia, 698, 233–249, https://doi.org/10.1007/s10750-012-1130-0, 2012. a
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Antonelli, M., Wetzel, C. E., Ector, L., Teuling, A. J., and Pfister, L.: On the potential for terrestrial diatom communities and diatom indices to identify anthropic disturbance in soils, Ecol. Indic., 75, 73–81, https://doi.org/10.1016/j.ecolind.2016.12.003, 2017. a
Ballantine, D. J., Walling, D. E., Collins, A. L., and Leeks, G. J.: The phosphorus content of fluvial suspended sediment in three lowland groundwater-dominated catchments, J. Hydrol., 357, 140–151, https://doi.org/10.1016/j.jhydrol.2008.05.011, 2008. a
Bilotta, G. S. and Brazier, R. E.: Understanding the influence of suspended solids on water quality and aquatic biota, Water Res., 42, 2849–2861, https://doi.org/10.1016/j.watres.2008.03.018, 2008. a
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Diatoms (microscopic algae) are regarded as useful tracers in catchment hydrology. However, diatom analysis is labour-intensive; therefore, only a limited number of samples can be analysed. To reduce this number, we explored the potential for a time-integrated mass-flux sampler to provide a representative sample of the diatom assemblage for a whole storm run-off event. Our results indicate that the Phillips sampler did indeed sample representative communities during two of the three events.
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