Coupling a hydrological water quality model and an economic optimization model to set up a cost-effective emission reduction scenario for nitrogen

Jan Cools, Steven Broekx, Veronique Vandenberghe, Hannes Sels, Erika Meynaerts, Peter Vercaemst, Piet Seuntjens, Stijn Van Hulle, Hilde Wustenberghs, Willy Bauwens, Marc Huygens

    Research output: Contribution to journalA1: Web of Science-articlepeer-review

    Abstract

    A modelling approach is presented that determines the most cost-effective set of reduction measures to reach an in-stream concentration target. The framework is based on the coupling of two models: the hydrological water quality model SWAT and an economic optimization model (Environmental Costing Model, ECM). SWAT is used to determine the relationship between the modelled in-stream concentration at the river basin outlet and the associated emission reduction. The ECM is used to set up marginal abatement cost curves for nutrients and oxygen demanding substances. Results for nitrogen are presented for the Grote Nete river basin in Belgium for the year 2006. Results show that the good status for total nitrogen can be reached in the study area. The most cost-effective measures are more productive dairy cattle, implementing basic measures as defined in the WFD, winter cover crops, improved efficiency of WWTP, enhanced fodder efficiency for pigs, further treatment of industrial waste water and tuned fertilization. (C) 2010 Elsevier Ltd. All rights reserved.
    Translated title of the contributionKoppelen van een hydrologisch waterkwaliteit model en een model voor economische optimalisatie om kosteneffectieve scenario's te vinden voor stikstofreductie
    Original languageEnglish
    JournalEnvironmental Modelling & Software
    Volume26
    Issue number1
    Pages (from-to)44-51
    Number of pages8
    ISSN1364-8152
    DOIs
    Publication statusPublished - 1-Jan-2011

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