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  1. The potential of water reuse for agricultural irrigation in the EU
    a hydro-economic analysis
    Author: Pistocchi, Alberto; Aloe, Alberto; Dorati, Chiara; Alcalde Sanz, Laura; Bouraoui, Fayçal; Gawlik, Bernd Manfred; Grizzetti, Bruna; Pastori, Marco; Vigiak, Olga
    Published: 2017
    Publisher:  Publications Office of the European Union, Luxembourg

    In this study we estimate the distribution of costs of reclaiming and transporting treated wastewater for reuse in agricultural irrigation across Europe. We consider treatment costs as well as the costs associated with the water transport... more

    Location:
    Helmut-Schmidt-Universität, Universität der Bundeswehr Hamburg, Universitätsbibliothek
    Inter-library loan:
    No inter-library loan

    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Inter-library loan:
    No inter-library loan

     

    In this study we estimate the distribution of costs of reclaiming and transporting treated wastewater for reuse in agricultural irrigation across Europe. We consider treatment costs as well as the costs associated with the water transport infrastructure and with energy for pumping. The study highlights a high variability of costs depending on the relative position of irrigated agricultural land with respect to the wastewater treatment plants. Treatment costs alone may be minor, about 8 €cents/m3, compared to other costs, with the majority of the theoretical water reuse volume available at typical total costs below or at 50 €cents/m3. However, when treatment requirements become more stringent, treatment costs are expected to increase to 0.23 €/m3, causing total costs to shift consistently. The energy requirements for pumping reclaimed water from wastewater treatment plants to agricultural land follow a distribution with a median of about 0.5 kWh/m3 and an interquartile range of another 0.5 kWh/m3, which seems slightly higher than reported in representative cases of irrigation with conventional water sources. The total volumes of water that can in principle be reused for irrigation are significant, and may help reduce water stress by up to around 10% in regions where irrigation is an important component. Water reuse may also contribute, in a less apparent and more uncertain way, to nutrient pollution mitigation. While the treatment and energy costs are rather minor, the total costs depend significantly on infrastructure costs and the distance from the urban wastewater treatment plants to the irrigated land, therefore the attractiveness of water reuse will vary for farmers. This indicates that (1) reuse is most suitable where irrigation infrastructure already exists and the necessary additional investments are minor, and (2) the cost of water reuse should be considered in a broader context as a water management tool. This context should be extended to include, on the one hand, the whole value chain supplied by agriculture and, on the other, the process of river basin management where reuse may represent a measure with important co-benefits.

     
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    Volltext (kostenfrei)
    Source: Union catalogues
    Language: English
    Media type: Ebook
    Format: Online
    ISBN: 9789279772108
    Other identifier:
    Series: JRC science for policy report
    Subjects: Bewässerung; Abwasseraufbereitung; Wasserwirtschaft; EU-Wasserpolitik; EU-Staaten; water management; water management in agriculture; irrigation; water treatment; wastewater; cost analysis; European Union; pipeline transport; pump; research report
    Scope: 1 Online-Ressource (circa 84 Seiten), Illustrationen
  2. Willingness to pay for low water footprint food choices during drought
    Author: Krovetz, Hannah; Taylor, Rebecca; Villas-Boas, Sofia
    Published: June 2017
    Publisher:  National Bureau of Economic Research, Cambridge, MA

    Location:
    ZBW - Leibniz-Informationszentrum Wirtschaft, Standort Kiel
    Signature:
    W 1 (23495)
    Inter-library loan:
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    Source: Union catalogues
    Language: English
    Media type: Book
    Format: Print
    Series: Working paper series / National Bureau of Economic Research ; 23495
    Subjects: Bewässerung; Umweltbelastung; Wassermangel; Ökoeffizienz; Zahlungsbereitschaftsanalyse; Dürre; Kalifornien
    Scope: 53 Seiten, Illustrationen
    Notes:

    Erscheint auch als Online-Ausgabe