Energized water: Evolution of water-energy nexus in the Spanish irrigated agriculture, 1950–2017

Jaime Espinosa-Tasón, Julio Berbel and Carlos Gutiérrez-Martín

Agricultural Water Management, 2020, vol. 233, issue C

Abstract: This study describes the evolution of the Spanish irrigated sector and focuses on water abstraction, water consumption, and energy use in the period 1950–2017. The analysis shows evidence of the basins reaching closure state and the impact on energy use from irrigation supply. The response in the context of an increasing water demand with a limited supply has been investment in water-saving and conservation technologies (WSCT) with the transformation of furrow-irrigated areas into those of drip and sprinkler, resulting in an increase in irrigation efficiency. The effect of this policy implies an increase in energy use by a factor of six in the period while the irrigated area triples and its water use doubles in the same period. Water abstraction reaches its peak in the year 2004 and decreases slightly as a consequence of subsidies to WSCT. The impact on energy consumption in pumping and treatment illustrates the water-energy nexus in Spain’s agriculture and the change in the water policy paradigm from supply augmentation towards demand management.

Keywords: Water-energy nexus; Irrigation; Spain; Water accounting; Basin closure; Irrigation efficiency; Non-conventional water sources (search for similar items in EconPapers)
Date: 2020
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Citations: View citations in EconPapers (15)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:agiwat:v:233:y:2020:i:c:s0378377419316488

DOI: 10.1016/j.agwat.2020.106073

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