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Tracing the trade-offs at the energy-water-environment nexus in drought-prone urbanising regions

King-Okumu, Caroline; Jaafar, Hadi; Shehata Aboukheira, Abdrabbo A.A.; Benzaied, Mongi; Obando, Joy; Hannachi, Ahmed. 2019 Tracing the trade-offs at the energy-water-environment nexus in drought-prone urbanising regions. Arabian Journal of Geosciences, 12 (20), 639. 16, pp. https://doi.org/10.1007/s12517-019-4730-4

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Abstract/Summary

Strategies for managing water stress negotiate a complex series of trade-offs and opportunities. Game-changing opportunities for water stressed regions are emerging with new emissions reduction strategies and energy options. These have particular significance for socio-economic development pathways in the marginal drought-prone regions. In this paper, we explore the energy-water-environment nexus in watersheds undergoing acute water stress and energy transitions in the Arab region and the Horn of Africa. A review of published and ongoing scientific activity was used to elaborate four case studies and identify common trade-offs between objectives to reduce water stress, increase productivity and lower energy costs and emissions. The available scientific evidence base for assessment of these trade-offs was then compared via a discursive process amongst review team members. Collectively, the case studies present a state of the art in available geoscientific methods currently applied in the Arab region to quantify nexus trade-offs for decision-making concerning increasing groundwater use, water harvesting and wastewater reuse across the case studies. The review pursues the wider geographic relevance and scope of this emerging scientific agenda. It identifies global opportunities to boost and progressively enhance the geoscientific information bases for decision-making in the most water stressed regions, as well as direct comparisons with emerging discussion in the Horn of Africa region. Insights for sustainable development decision-makers are highlighted and further scope for the transfer of insights within and beyond the Arab region are discussed.

Item Type: Publication - Article
Digital Object Identifier (DOI): https://doi.org/10.1007/s12517-019-4730-4
UKCEH and CEH Sections/Science Areas: Business Development and Engagement
ISSN: 1866-7511
Additional Information. Not used in RCUK Gateway to Research.: Publisher link (see Related URLs) provides a read-only full-text copy of the published paper.
Additional Keywords: water, energy, water stress, drought, trade-offs
NORA Subject Terms: Economics
Hydrology
Related URLs:
Date made live: 15 Nov 2019 16:19 +0 (UTC)
URI: http://nora.nerc.ac.uk/id/eprint/525905

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