Affiliation: | 1. Department of Civil and Environmental Engineering, University of California, 726 Davis Hall, Berkeley, California 94720‐1710;2. telephone: 510‐643‐5969;3. fax: 510‐642‐7483;4. School of Energy and Environment, City University of Hong Kong, Hong Kong, China;5. Department of Environmental Sciences, Swiss Federal Institute of Technology Zürich (ETHZ), Zürich, Switzerland;6. Department of Environmental Microbiology, Swiss Federal Institute of Aquatic Science and Technology (Eawag), Dübendorf, Switzerland;7. Department of Microbiology, Cornell University, Ithaca, New York;8. Earth Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California |