Articles | Volume 25, issue 1
Hydrol. Earth Syst. Sci., 25, 169–191, 2021
Hydrol. Earth Syst. Sci., 25, 169–191, 2021

Research article 11 Jan 2021

Research article | 11 Jan 2021

Physical versus economic water footprints in crop production: a spatial and temporal analysis for China

Xi Yang et al.

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Hydrol. Earth Syst. Sci. Discuss.,,, 2018
Manuscript not accepted for further review
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Cited articles

Abedinpour, M., Sarangi, A., Rajput, T. B. S., Singh, M., Pathak, H., and Ahmad, T.: Performance evaluation of AquaCrop model for maize crop in a semi-arid environment, Agr. Water Manage., 110, 55–66,, 2012. 
Allen, R. G., Pereira, L. S., Raes, D., and Smith, M.: Crop evapotranspiration-Guidelines for computing crop water requirements-FAO Irrigation and drainage paper 56, FAO, Rome, Italy, 1998. 
Anselin, L.: Local indicators of spatial association – LISA, Geogr. Anal., 27, 93–115, 1995. 
Anselin, L.: Exploring Spatial Data with GeoDa: A Workbook, Spatial Analysis Laboratory, Department of Geography, University of ILLinois, Urbana-Champaign, Urbana, IL 61801, 2005. 
Anselin, L., Syabri, I., and Kho, Y.: GeoDa: An introduction to spatial data analysis, Geogr. Anal., 38, 5–22,, 2006. 
Short summary
Maximizing economic benefits with higher water productivity or lower water footprint is the core sustainable goal of agricultural water resources management. Here we look at spatial and temporal variations and developments in both production-based (PWF) and economic value-based (EWF) water footprints of crops, by taking a case study for China. A synergy evaluation index is proposed to further quantitatively evaluate the synergies and trade-offs between PWF and EWF.