1. School of Environmental and Forest Sciences, University of Washington, Seattle, Washington, USA.
2. Department of Chemical Engineering and eScience Institute, University of Washington, Seattle, Washington, USA.
3. Department of Civil and Environmental Engineering, University of Washington, Seattle, Washington, USA.
4. Department of Environmental Science and Engineering, Kathmandu University, Dhulikhel, Nepal.
5. Department of Civil and Environmental Engineering, Seattle University, Seattle, Washington, USA.