[目的]为促进水、能源、粮食和经济的可持续发展，从水足迹角度对水、能源、粮食和经济间相互关系的研究进展进行总结和评述。[方法]选择Web of Science核心合集数据库，以"水-能源""水-粮食""水-经济"和"水-能源-粮食-经济"等四部分为关键词分别进行文献检索;再运用CiteSpace对数据库检索结果进行可视化文献分析。[结果]根据四次检索结果和CiteSpace的运行结果，分别得到关键词共现网络图谱、突现检测表和关键词聚类图，并依次进行具体分析。[结论](1)水-能源关系的研究大多使用生命周期评估、数据包络分析和投入产出分析等方法。(2)GEPIC模型、CROPWAT模型和AquaCrop模型等是研究水-粮食关系的主要模型。(3)对于水-经济关系的研究以Tapio脱钩模型为主。(4)在水-能源-粮食-经济方面大多主要研究水-能源-粮食纽带关系，尚未构建完整的理论框架，未来研究应进行全面的多角度分析，以期为水-能源-粮食-经济间关系的研究提供有利依据。
Progress in the application of the water footprint to the water-energy-food-economy nexus
[Objective]To promote the sustainable development of water,energy,food and economy,and to meet the steady pro-gress of society,the progress of research on the interrelationships among water,energy,food,and economy from the perspective of water footprint are summarized and reviewed.[Methods]The Web of Science Core Collection database was selected for the study of the interrelationships between"water-energy""water-food""water-economy"and"water-energy-food""water-energy-food-economy"as the keywords,and then use CiteSpace to visualize the result of the database search for literature analysis.[Results]According to the result of the four searches and the running result of CiteSpace,the keyword co-occurrence network mapping,the emergence detection table,and the keyword clustering map were obtained respectively,and the specific analyses were carried out in turn.[Conclusion](1)Most of the studies on the water-energy nexus used method such as life cycle assess-ment,data envelopment analysis,and input-output analysis.(2)The GEPIC model,the CROPWAT model and the AquaCrop model were the main models for studying the water-food nexus.(3)The Tapio decoupling model was the main model for the study of water-economy relationship.(4)In terms of the water-energy-food-economy most of the studies mainly focused on the water-energy-food nexus,and have not yet constructed a complete theoretical framework,future studies should conduct comprehensive multi-angle analyses,with a view to providing a favourable basis for the study of water-energy-food-economy interrelationships.
water footprinthuman activitiesenergyfoodeconomyvisual analysis
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