1. Institute of Geography and Oeschger Center for Climate Change Research, University of Bern, Bern, Switzerland
2. Department of Physical Chemistry, University of Cadiz, Faculty of Marine and Environmental Sciences, Campus Rio San Pedro, CEI-MAR, Puerto Real, 11510 Cadiz, Spain
3. enviBee GmbH, Zürich, Switzerland
4. Swiss Federal Institute of Aquatic Science and Technology, Eawag, 8600 Dübendorf, Switzerland
5. Institute of Biogeochemistry and Pollutant Dynamics (IBP), ETH Zurich, 8092 Zurich, Switzerland
6. Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, Colorado 80401, United States