Water management in Spain: an example of changing paradigms

In most arid and semiarid countries, water resource management is an issue as important as controversial. Today most water resources experts admit that water conflicts are not

Theoretical green and blue (surface and ground) agricultural water consumption (Mm3/year) in the Upper, Middle, Lower Guadiana and TOP domain a dry (2005), average (2001) and

• How does the global consumption of rice relate to the use of different kinds of water at production regions?. • What is the role of the blue (surface and ground) and green water

 Enlargement of the Demand Management notion to all kind of water uses including the water requirements for food demand.  Optimization of all water uses including

• Inadvertently, virtual water will play a greater role in food trade – simply as a function of increasing water scarcity and the disparity of water availability between countries

9 This simplification can be considered plausible enough for modeling purposes since most of the irrigated area in the basin are located within the same water management

(Eds.), Drought in Arid and Semi-Arid Environments: A Multi- disciplinary and Cross-country Perspective. Springer, Dordrecht, pp. Global warming and the 21 st century

To monitor the water quality, we compared the changes in water transparency for every wavelength for pure water and water with differ- ent Gd sulfate concentrations, as well as