| Water footprint means the total quantity of water resource that maintains the consumption of certain crowd of one country(district) under certain living standard.Because of considering virtual water volume of consumption of social economic system,the footprint portrayed the mankind's true possession and consumption situation of water resource,and offered a brand-new visual angle for scientific management of water resource.The meaning of the virtual water contributes to improving people's warred consciousness to water resource,to the consumption mode that advocates being economized on water and gives the important strategic inspiration in water resource management.Using water footprint model,the total water footprints and per person water footprint of Shaanxi Province in 2003 have been calculated.The result showed that the water footprint of Shaanxi Province in 2003 was 24,886,200,000 m3.The per person water footprint was 671.656 m3.Several ways for reducing the water footprint have proposed in order to alleviate the water resource pressure.The future study direction of water footprint has been discussed. |