关键词: 地区投入产出模型, 虚拟水, 完全需水量

Abstract: In this paper, getting rid of the effects of imported goods to account for virtual water flows within economy and outsider the area, we compile and use regional water input–output model in Zhangye city to construct the transfer matrix and illustrate the inter-industry virtual water flows. The results show that the cultivation and other agricultural water is the largest virtual net transfer and export sector, a lot of water actual transfer to manufacturing and livestock and export，most of virtual water livestock products received from cultivation are exported to outside.

Key words: Regional input-output model, Virtual water, Total water demand