April 20, 2021
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Article

Reuse of treated water in European agriculture: Potential to address water scarcity under climate change

Publicated to: AGRICULTURAL WATER MANAGEMENT. 251 106872- - 2021-05-31 251(), DOI: 10.1016/j.agwat.2021.106872

Authors:

Hristov, J; Barreiro-Hurle, J; Salputra, G; Blanco, M; Witzke, P
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Affiliations

European Commiss, Joint Res Ctr JRC, Seville, Spain - Author
European Commission Joint Research Centre - Author
European Ctr Agr Reg & Environm Policy Res EuroCA, Bonn, Germany - Author
Regional and Environmental Policy Research - Author
Univ Politecn Madrid, CEIGRAM, Madrid, Spain - Author
Universidad Politécnica de Madrid - Author
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Abstract

The use of reclaimed or treated water from urban wastewater treatment plants for irrigation has been proposed as an alternative water source to address water scarcity issues in Europe. In this paper using agro-economic modelling, we analyse if treated water available for agriculture has the potential to reduce freshwater abstraction and, consequently, water stress. Implementing exogenous treated water quantities as an additional water supply at NUTS 2 level in the CAPRI model, we found that treated water reuse is a possible alternative supply source to address water shortages with a very negligible effect on farmers’ income and food production in the EU. However, the actual water reuse and water stress reduction is very limited due to high costs. Even climate change effects on water availability and precipitation failed to induce higher use. The one-size-fits-all approach modelled via a flat rate water price only encourages the reuse of treated water in a limited number of EU member states. Thus, in order to maximise the potential of reused water to address water scarcity, different rates should be used so as to ensure higher treated water volumes at lower costs.
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Keywords

BenefitsCapri modelClimate changeImpactsIrrigationReclaimed waterTreated waterWaste-waterWater scarcityWater stress

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal AGRICULTURAL WATER MANAGEMENT due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2021, it was in position 5/90, thus managing to position itself as a Q1 (Primer Cuartil), in the category Agronomy. Notably, the journal is positioned above the 90th percentile.

From a relative perspective, and based on the normalized impact indicator calculated from World Citations provided by WoS (ESI, Clarivate), it yields a value for the citation normalization relative to the expected citation rate of: 7.81. This indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: ESI Nov 13, 2025)

This information is reinforced by other indicators of the same type, which, although dynamic over time and dependent on the set of average global citations at the time of their calculation, consistently position the work at some point among the top 50% most cited in its field:

  • Weighted Average of Normalized Impact by the Scopus agency: 7.92 (source consulted: FECYT Mar 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2026-04-12, the following number of citations:

  • WoS: 87
  • Scopus: 99
  • Europe PMC: 2
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-12:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 262.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 263 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 8.
  • The number of mentions on the social network X (formerly Twitter): 7 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
  • Assignment of a Handle/URN as an identifier within the deposit in the Institutional Repository: https://oa.upm.es/66554/

As a result of the publication of the work in the institutional repository, statistical usage data has been obtained that reflects its impact. In terms of dissemination, we can state that, as of

  • Views: 356
  • Downloads: 548
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Belgium; Germany.

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