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Advisor(s)
Abstract(s)
Climate change scenarios in Mediterranean basin point to a decrease in the amount
of annual rainfall and the increased frequency of drought. In this framework of
greater water scarcity, an increase in irrigation costs is expected, so its rational and
efficient use is an unavoidable issue in modern irrigated agriculture. In the last 60
years in Portugal, it had a great increase in the efficiency of water use in agriculture,
accompanied by a great increase in energy consumption, and the variation was 15,000
to 6000 m3/ha.year and 200 to 1500 kWh/ha, respectively. The rational application of
fertilizers is a priority, to prevent the contamination of superficial and subterraneous
waters, and the process of soil salinization in semi-arid conditions. The pressure of
water demand by agriculture implies the use of other water sources. For example, in
2010, the volume of unconventional water resources in Spain rose to 4.540 hm3/year.
Of the total used in agriculture, 450 hm3 of water comes from the reuse of treated
water, and 690 hm3 comes from desalination. The use of modern/smart technologies
in irrigated agriculture, like information and communication technologies, allows
the rapid share of information between all the system components and can promote
optimized answers at different scales.
Description
Keywords
Resilience of irrigated agriculture Mediterranean climate change Water scarcity Water-efficient use
Citation
DUARTE, A. C. ; MELIÁN-NAVARRO, A. ; RUIZ CANALES, Antonio (2022) - Resilience of irrigated agriculture to face the challenges in Mediterranean climatic conditions (Iberian Peninsula). In Irrigation and Drainage – Recent Advances. RiJeka : IN-TECH. DOI: http://dx.doi.org/10.5772/intechopen.107882
Publisher
INTECHOPEN