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Change and Adaptation in Socio-Ecological Systems

Climate Change, Social Changes, Technological Development

Ed. by Inostroza, Luis / Fürst, Christine

Open Access
Online
ISSN
2300-3669
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Implementing the Water-Energy-Food Nexus at Various Scales: Trans-Boundary Challenges and Solutions

Nikolaus Scott McLachlan
Published Online: 2015-12-17 | DOI: https://doi.org/10.1515/cass-2015-0013

Abstract

Watersheds, climate regimes and nature in general do not abide to boundaries created by human institutions, increasing the difficulty for these institutions to manage them. Human activity is, on the other hand, capable of linking geographically separate regions through trade and supply chains. Implementing the water-energyfood nexus therefore often requires science and policy to work on a trans-boundary level. This article looks at two examples of quantitative trans-boundary approaches in science. Johansson explored the effects of foreign land acquisition on regional water scarcity through virtual water flows. The virtual water flows were based on the water used to produce the exported food and energy crops. The flows were aggregated on a national basis to compare countries. Van der Krogt presented a water simulation model for the Eastern Nile Basin, developed through joint cooperation between the four Eastern Nile countries. The model incorporates information on all current, planned and potential water infrastructure and irrigation projects into different scenarios. These are compared with a long term hydrological baseline to assess the impact development has on downstream water supply. This new tool allows Eastern Nile countries to better understand how their actions can affect downstream neighbours.

Keywords: water-energy-food nexus; virtual water flow; Eastern Nile

References

  • [1] Hoff, H. (2011). Understanding the Nexus. Background Paper for the Bonn 2011 Conference: Water, Energy and Food Security Nexus. Stockholm Environment Institute, Stockholm.Google Scholar

  • [2] E.L. Johansson, presented at the International Conference Sustainability in the Water-Energy-Food Nexus. Synergies and Tradeoffs: Governance and Tools at various Scales held in Bonn, Germany, on 19th and 20th of May 2014Google Scholar

  • [3] W.N.M van der Krogt, presented at the International Conference Sustainability in the Water-Energy-Food Nexus. Synergies and Tradeoffs: Governance and Tools at various Scales held in Bonn, Germany, on 19th and 20th of May 2014Google Scholar

About the article

Received: 2014-06-26

Accepted: 2015-09-30

Published Online: 2015-12-17

Published in Print: 2015-01-01


Citation Information: Change and Adaptation in Socio-Ecological Systems, Volume 2, Issue 1, ISSN (Online) 2300-3669, DOI: https://doi.org/10.1515/cass-2015-0013.

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© 2015. This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License. BY-NC-ND 3.0

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