event 03 сент. 2020

Publication // An integrative analytical model for the water-energy-food nexus: South Africa case study

By Luxon Nhamo, Tafadzwanashe Mabhaudhi, Sylvester Mpandeli, Chris Dickens, Charles Nhemachena, Aidan Senzanje, Dhesigen Naidoo, Stanley Liphadzi, Albert T. Modi. This study defined WEF nexus sustainability indicators, from where an analytical model was developed to manage WEF resources in an integrated manner using the Analytic Hierarchy Process (AHP).

category Research Papers, Publications and Books tag Legacy tag Modelling and Assessment globe Africa globe Южная Африка
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Highlights of the study

  • WEF nexus sustainability indicators are a means of assessing resource management in an integrated manner.
  • The developed model eliminated “a silo” approach in resource development by assessing resource management as a single unit.
  • The model has established numerical relationships among the WEF nexus, indicating priority areas for intervention.
  • The model assessed the progress towards achieving related SDGs to achieve sustainability by 2030.

Abstract

The missing link between cross-sectoral resource management and full-scale adoption of the water-energy-food (WEF) nexus has been the lack of analytical tools that provide evidence for policy and decision-making. This study defined WEF nexus sustainability indicators, from where an analytical model was developed to manage WEF resources in an integrated manner using the Analytic Hierarchy Process (AHP). The model established quantitative relationships among WEF sectors, simplifying the intricate interlinkages among resources, using South Africa as a case study. A spider graph was used to illustrate sector performance as related to others, whose management is viewed either as sustainable or unsustainable. The model was then applied to assess progress towards the Sustainable Development Goals in South Africa. The estimated integrated indices of 0.155 and 0.203 for 2015 and 2018, respectively, classify South Africa’s management of resources as marginally sustainable. The model is a decision support tool that highlights priority areas for intervention.

Published

July 2020

By

© 2020 The Authors. Published by Elsevier Ltd.

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