6Pei Hongwei,Scanlon B R,Shen Yanjun,et al.Impacts of varying agricultural intensification on crop yield and groundwater resources:Comparison of the North China Plain and US High Plains[J].Environmental Research Letters,2015,10(4):044013.
7Quan Xiaofang,Li Wangma,Yu Qiang,et al.Irrigation strategies water use efficiency of wheat-maize systems in north china plain[J].Agricultural Water Management,2010,97(8):1165-1174.
8Harter T,Hopmans J W.Role of Vadose Zone Flow Processes in Regional Scale Hydrology:Review,Opportunities and Challenges[M].Netherland:Kluwer Academic Publishers,2004.
9Walvoord M A,Phillips F M,Tyler S W,et al.Deep arid system hydrodynamics 2:Application to paleohydrologic reconstruction using vadose zone profiles from the northern Mojave Desert[J].Water Resources Research,2002,38(12):27-1-27-12.
10Rimon Y,Dahan O,Nativ R,et al.Water percolation through the deep vadose zone and groundwater recharge:Preliminary results based on a new vadose zone monitoring system[J].Water resources research,2007,43(5):1-12.
