The water footprint and virtual water exports of Spanish tomatoes
The water footprint and virtual water exports of Spanish tomatoes
The water footprint and virtual water exports of Spanish tomatoes
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D. CHICO et al. 13FIGURE 2. Soil map <strong>of</strong> Spain with the different textural classes<strong>and</strong> irrigated areas sSource: Own elaboration based on EUROSTAT soil map (CEC, 1985) <strong>and</strong> MARM (2010b).Over the growing period, the blue <strong>water</strong> evapotranspirationis generally less than the actual irrigation volume applied.<strong>The</strong> difference refers to the irrigation <strong>water</strong> that percolatesto the ground<strong>water</strong> or runs <strong>of</strong>f from the field.Rainfed conditions can be simulated in the model bychoosing to apply no irrigation. In the rainfed scenario (irr= 0), the green <strong>water</strong> evapotranspiration is equal to the totalevapotranspiration as simulated by the model <strong>and</strong> theblue <strong>water</strong> evapotranspiration is zero:ET ( irr = 0)= 0blueE [3]