Variability in the Water Footprint of Arable Crop Production across European Regions
AbstractCrop growth and yield are affected by water use during the season: the green water footprint (WF) accounts for rain water, the blue WF for irrigation and the grey WF for diluting agri-chemicals. We calibrated crop yield for FAO’s water balance model “Aquacrop” at field level. We collected weather, soil and crop inputs for 45 locations for the period 1992–2012. Calibrated model runs were conducted for wheat, barley, grain maize, oilseed rape, potato and sugar beet. The WF of cereals could be up to 20 times larger than the WF of tuber and root crops; the largest share was attributed to the green WF. The green and blue WF compared favourably with global benchmark values (R2 = 0.64–0.80; d = 0.91–0.95). The variability in the WF of arable crops across different regions in Europe is mainly due to variability in crop yield (
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Gobin, A.; Kersebaum, K.C.; Eitzinger, J.; Trnka, M.; Hlavinka, P.; Takáč, J.; Kroes, J.; Ventrella, D.; Marta, A.D.; Deelstra, J.; Lalić, B.; Nejedlik, P.; Orlandini, S.; Peltonen-Sainio, P.; Rajala, A.; Saue, T.; Şaylan, L.; Stričevic, R.; Vučetić, V.; Zoumides, C. Variability in the Water Footprint of Arable Crop Production across European Regions. Water 2017, 9, 93.
Gobin A, Kersebaum KC, Eitzinger J, Trnka M, Hlavinka P, Takáč J, Kroes J, Ventrella D, Marta AD, Deelstra J, Lalić B, Nejedlik P, Orlandini S, Peltonen-Sainio P, Rajala A, Saue T, Şaylan L, Stričevic R, Vučetić V, Zoumides C. Variability in the Water Footprint of Arable Crop Production across European Regions. Water. 2017; 9(2):93.Chicago/Turabian Style
Gobin, Anne; Kersebaum, Kurt C.; Eitzinger, Josef; Trnka, Miroslav; Hlavinka, Petr; Takáč, Jozef; Kroes, Joop; Ventrella, Domenico; Marta, Anna D.; Deelstra, Johannes; Lalić, Branislava; Nejedlik, Pavol; Orlandini, Simone; Peltonen-Sainio, Pirjo; Rajala, Ari; Saue, Triin; Şaylan, Levent; Stričevic, Ruzica; Vučetić, Višnja; Zoumides, Christos. 2017. "Variability in the Water Footprint of Arable Crop Production across European Regions." Water 9, no. 2: 93.
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