6Zheng Hang, Wang Zhongjing, Hu Siyi, et al. Seasonal water alloca- tion-dealing with hydrologic variability in the context of water rights system[ J ]. Journal of Water Resance Planning and Management, 2010,139( 1 ) :76-85.
7ITASCA Consulting Group. Manuals of universal distinct element code ( Version 3.1 ) [ M ]. Minneapolis, USA,2000.