9Jenerette G Darrel Larsen Larissa. A Global Perspective on Changing Sustainable Urban Water Supplies [ J ]. Global and Planetary Change, 2006, 50 ( 3 - 4 ) : 202 - 211.
10Fitzhugh T W,Richter B D. Quenching Urban Thirst: Growing Cities and Their Impacts on Freshwater Ecosystems [ J ]. Bioscience ,2004,54:741 - 754.