The increasing water shortage in Brandenburg has become a much-discussed topic in the news and is becoming a central research topic at our department. In addition to climatic changes, the consequences of decades of lignite mining in the Lusatian region influence the development of a sustainable water use concept.
During a guided tour of the Welzow-Süd open-pit mine, the students learn about the technical mining processes in an active open-cast lignite mine and the applied dewatering measures.
The tour of the overburden conveyor bridge F60 is a highlight of the excursion. The process of actively flooding residual opencast mining holes can be studied using the example of the Cottbus Eastern Lake, which will be the largest artificially created lake in Germany once flooding is complete.
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The cinematic impressions were recorded at places visited on the Lusatia excursion and show the development of various post-mining landscapes. At sites where the land has already been restored, such as the Schlabendorfer See near Wannichen shown at the beginning, an impressive natural landscape has developed since the end of open-pit mining in 1991.