Sha, Jinghua; Xiang, Nan; Lin, Guo; Gu, Runbo - 2010
Capital Economic Circle that is located in north of China belongs to water resources shortage regions. The per capita water of it is only 1/7 of the per capita water of the whole country, and 1/30 of the per capita water of the whole world. Thus water resources problems become one of the key...