Towards a Unified Index for Assessing the Sustainability of Wastewater Irrigation

Georgiou, Isabella, Hettiarachchi, Hiroshan and Caucci, Serena (2020). Towards a Unified Index for Assessing the Sustainability of Wastewater Irrigation. Working Paper. United Nations University Institute for Integrated Management of Material Fluxes and of Resources (UNU-FLORES).

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  • Sub-type Working paper
    Author Georgiou, Isabella
    Hettiarachchi, Hiroshan
    Caucci, Serena
    Title Towards a Unified Index for Assessing the Sustainability of Wastewater Irrigation
    Series Title Working Paper
    Volume/Issue No. 7
    Publication Date 2020
    Place of Publication Dresden, Germany
    Publisher United Nations University Institute for Integrated Management of Material Fluxes and of Resources (UNU-FLORES)
    Pages 32
    Language eng
    Abstract Indicator-based sustainability assessments are useful tools in portraying the complex system of water reuse in agriculture in a simple manner. However, the growing number of indicator factors used has haltered comparability and ease of use of the indices. This working paper presents an indicator-based framework to support policymakers in assessing the level of sustainability of water reuse practices in agriculture on a regional and/or national level. The sustainability index consists of two sub-indices, assessing the environmental and socioeconomic dimensions, respectively. The index is designed in accordance with the steps proposed by the Organisation for Economic Co-operation and Development (OECD), namely indicator selection, normalisation, weighting, aggregation, and robustness analysis. A minimum set of indicator factors were identified based on the existing literature and are normalised according to ‘distance to target’. Principal Component Analysis (PCA) is used for their weighting and further number minimisation. The overall index ranges from 0 to 1, according to the level of sustainability of the applied wastewater practices in irrigation.
    UNBIS Thesaurus POLICY-MAKING
    Keyword Indicator
    Sustainability assessment
    Conceptual framework
    Wastewater
    National
    Copyright Holder United Nations University Institute for Integrated Management of Material Fluxes and of Resources (UNU-FLORES)
    Copyright Year 2020
    Copyright type All rights reserved
    ISBN 9783944863832
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    Created: Sat, 21 Mar 2020, 15:46:02 JST by Basilio Valdehuesa on behalf of UNU FLORES