湖北省水足迹特征及变化驱动力  

Characteristics and Change Driving Force of Water Footprint in Hubei Province

作　　者：袁艳斌[1] 连怡雯 袁晓辉[2] 周晗 董恒[1] 张晓盼[1] YUAN Yan-bin;LIAN Yi-wen;YUAN Xiao-hui;ZHOU Han;DONG Heng;ZHANG Xiao-pan(School of Resources and Environmental Engineering,Wuhan University of Technology,Wuhan 430070,China;School of Civil and Hydraulic Engineering,Huazhong University of Science and Technology,Wuhan 430074,China)

机构地区：[1]武汉理工大学资源与环境工程学院,湖北武汉430070 [2]华中科技大学土木与水利工程学院,湖北武汉430074

出　　处：《水电能源科学》2023年第6期40-44,共5页Water Resources and Power

基　　金：国家自然科学基金项目(52079101,42001018);国家重点研发计划(2021YFC3200305,2021YFC3200405)。

摘　　要：水足迹评价对区域水资源合理开发具有指导意义,基于投入产出法核算湖北省2007-2017年水足迹,并联合结构分解模型分析水足迹变化的驱动因素。结果表明,2007-2017年湖北省虚拟水含量下降显著,用水效率提升,而水足迹总量呈先上升后下降的趋势,净增长19.9%,主要增长部门是建筑业和服务业;技术水平和经济规模分别是抑制和促进水足迹增长的主要因素,但其对水足迹变化的影响逐渐减弱,均表现削减作用。2007-2017年部门联系由正向驱动变为负向驱动,对水足迹的抑制作用得以显现,可见优化产业生产流程有助于区域开展节水;驱动因素对不同部门的影响表现出异质性,产业结构的调整抑制了农业等高耗水部门水足迹增长,而促进了建筑业、服务业水足迹增长。未来服务业等生产高附加值产品的部门产业规模和居民需求呈增长趋势,应及时将节水技术发展转向此类部门。Water footprint evaluation is of guiding significance for the rational development of regional water re-sources.The input-output method was used to account for the water footprint of Hubei Province from 2007 to 2017,and the driving factors of water footprint changes were analyzed using the structural decomposition model.The results show that the virtual water content in Hubei Province decreased significantly,and water use efficiency improved from 2007 to 2017.The total water footprint showed a trend of rising and then falling,with a net increase of 19.9%,and the main growth sectors were construction and services.Technology level and economic scale were the main factors inhibiting and promoting the increase of water footprint,respectively.However,their effects on water footprint changes gradually weakened,and both showed a reduction effect.From 2007 to 2017,the sectoral linkages changed from positive to nega-tive driving force,and the inhibitory effect on water footprint was revealed,which shows that optimizing the industrial production process helps carry out water conservation.The impact of driving factor on different sectors showed heteroge-neity.The adjustment of industrial structure inhibited the increase of water footprint in high water-consuming sectors such as agriculture while promoting the increase in construction and services.In the future,the industry scale and resi-dential demand in sectors producing high-value-added products will grow,such as services,and water-saving technology development should be shifted to these sectors promptly.

关 键 词：投入产出 水足迹 虚拟水 结构分解 驱动因素 

分 类 号：TV213.4[水利工程—水文学及水资源]