1. Department of Environmental Sciences; University of Virginia; Charlottesville Virginia
2. School of Freshwater Sciences; University of Wisconsin-Milwaukee; Milwaukee Wisconsin
3. Department of Earth, Ocean and Atmospheric Science; Florida State University; Tallahassee Florida
4. JFE Advantech; Nishinomiya Japan
5. Physics of Aquatic Systems Laboratory; Margaretha Kamprad Chair, EPFL-ENAC-IEE-APHYS; Lausanne Switzerland
6. Surface Waters - Research and Management, Eawag, Swiss Federal Institute of Aquatic Science and Technology; Kastanienbaum Switzerland