Seeing the Woods

A blog by the Rachel Carson Center for Environment and Society


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Day 5. Danube Excursion: Krems—Vienna

by Christoph Netz


Krems → Vienna


Research Channels, Sterlets, and the Danube Island of Vienna

With another early start, it was lucky that the memorable apricot jam, a local specialty, provided a good incentive to get up in time for breakfast. Only five minutes behind schedule, we departed from Krems, with its beautiful historic center and surrounding vineyards, for Vienna.

Nussdorfer Lock and Weir

Our first stop was the Nussdorfer Schleuse, a lock and weir where the Danube canal branches off from the Danube in the northern outskirts of Vienna. Between the canal and the main river lies an outdoor research channel that is used to investigate the flow dynamics of different riverbeds and flood plains. Here, we met with Christine Sindelar of the University of Natural Resources and Life Sciences in Vienna (BOKU), who conducts her research at the outdoor research channel. The building of the research channel was part of the DREAM project (Danube River Research and Management), which was cofinanced by the City of Vienna and the European Union. The slope between the Danube and the canal allows the scientists to experiment with flow rates of 10 cubic meters per second, and hence provides unique opportunities to make 1:1 scale simulations of river flow and sediment dynamics.

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