日期:2012-10-06 14:46
tralized urban water systems are analyzed, which include the destroying of the urban water environment and the water cycle, the difficulties in wastewater treatment, the great financial demands and the long time of construction. The challenges and opportunities of the managements of urban water systems are pointed out, including the more frequent drought and extreme precipitation, the intensification of urbanization and the demands of progress of technologies and organization. The concept for th