An improved method for calculating the regional crop water footprint based on a hydrological process analysis
Xiao-Bo Luan,Ya-Li Yin,Pu-Te Wu,Shi-Kun Sun,Yu-Bao Wang,Xue-Rui Gao,and Jing Liu
Xiao-Bo Luan
Institute of Water Saving Agriculture in Arid regions of China, Northwest A & F University, Yangling, Shaanxi 712100, China
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China
Ya-Li Yin
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A & F University, Yangling, Shaanxi 712100, China
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A & F University, Yangling, Shaanxi 712100, China
Institute of Water Saving Agriculture in Arid regions of China, Northwest A & F University, Yangling, Shaanxi 712100, China
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A & F University, Yangling, Shaanxi 712100, China
Yu-Bao Wang
Institute of Water Saving Agriculture in Arid regions of China, Northwest A & F University, Yangling, Shaanxi 712100, China
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A & F University, Yangling, Shaanxi 712100, China
Xue-Rui Gao
Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas, Ministry of Education, Northwest A & F University, Yangling, Shaanxi 712100, China
Jing Liu
College of Hydrology and Water Resources, Hohai University, Nanjing, Jiangsu 210098, China
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At present, the water footprint calculated by the quantitative method of crop production water footprint is only a field-scale water footprint, which does not contain all the water consumption of the crop growth process, so its calculated crop production water footprint is incomplete. In this study, the hydrological model SWAT was used to analyze the real water consumption in the course of crop growth, so that the actual water consumption of the crops could be more accurately reflected.
At present, the water footprint calculated by the quantitative method of crop production water...
