1. Department of Environmental and Resource Engineering Technical University of Denmark Lyngby Denmark
2. Sino‐Danish Center for Education and Research Denmark
3. Department of Civil and Environmental Engineering University of California Berkeley Berkeley California USA
4. Eawag, Swiss Federal Institute of Aquatic Science and Technology Dübendorf Switzerland
5. University of Zürich, Department of Chemistry Zürich Switzerland
6. National Institute of Aquatic Research Technical University of Denmark Lyngby Denmark
7. Swedish Meteorological and Hydrological Institute Norrköping Sweden