Information - HS15 Colloids, microorganisms and coupled hydrological, biological and chemical processes in the unsaturated zone
Transport of colloids and microorganisms in the unsaturated zone may significantly affect groundwater quality. While colloids may act as carrier for inorganic and organic contaminants, microorganisms themselves (e.g., viruses, bacteria, and protozoa) present a risk. Recent flooding events have provided evidence for the transport of microorganisms and colloids through the unsaturated zone, even at sites which were previously considered safe. The aim of the proposed session is, to bring together scientists working on the transport of microorganisms and colloids under unsaturated conditions, either practically or theoretically, and to discuss the consequences of their findings on groundwater quality. One part of the session will be devoted to field and laboratory evidence on all scales (micromodel - column study – field experiment) another part of the session will focus on the application of visualization and modelling techniques to measure and predict particle transport processes in the unsaturated zone.
Preliminary List of Solicited Speakers
Markus Flury (Washington State University)
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