1. Department of Hydrogeology Helmholtz‐Centre for Environmental Research—UFZ Leipzig Germany
2. Department of Aquatic Ecosystem Analysis Helmholtz‐Centre for Environmental Research—UFZ Magdeburg Germany
3. Centre for Hydrogeology and Geothermics University of Neuchâtel Neuchâtel Switzerland
4. Bayreuth Centre of Ecology and Environmental Research University of Bayreuth Bayreuth Germany