1. Water
Security Research Centre, School of International Development, University of East Anglia, Norwich, NR4 7TJ, U.K.
2. School
of Earth and Environment, University of Leeds, Leeds, LS2 9JT, U.K.
3. Ministry
of Education Key Laboratory for Earth System Modelling, Centre for
Earth System Science, Tsinghua University, Beijing 100084, China
4. Department
of Geographical Sciences, University of Maryland, College Park, Maryland 20742, United States
5. School
of Civil Engineering, University of Leeds, Leeds, LS2 9JT, U.K.
6. Institute
of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing, 100101, China
7. Sustainability
Science Program, John F. Kennedy School of Government, Harvard University, Cambridge, United States
8. School
of Natural Resources and Environment, University of Michigan, Ann Arbor, Michigan 48109-1041, United States