Desciprion of nine nutrient loss models: capabilities and suitability baser on their characteristies

O.F. Schoumans, M. Silgram, P. Groenendijk, F. Bouraoui, H.E. Andersen, B. Kronvang, H. Behrendt, B. Arheimer, H. Johnsson, Y. Panagopoulos, M. Mimikou, A. Lo Porto, H. Reisser, G. Le Gall, A. Barr, S.G. Anthony

Research output: Contribution to journalArticleAcademicpeer-review

50 Citations (Scopus)


In EUROHARP, an EC Framework V project, which started in 2002 with 21 partners in 17 countries across Europe, a detailed intercomparison of contemporary catchment-scale modelling approaches was undertaken to characterise the relative importance of point and diffuse pollution of nutrients in surface freshwater systems. The study focused on the scientific evaluation of different modelling approaches, which were validated on three core catchments (the Ouse, UK; the Vansjo-Hobøl, Norway; and the Enza, Italy), and the application of each tool to three additional, randomly chosen catchments across Europe. The tools involved differ profoundly in their complexity, level of process representation and data requirements. The tools include simple loading models, statistical, conceptual and empirical model approaches, and physics-based (mechanistic) models. The results of a scientific intercomparison of the characteristics of these different model approaches are described. This includes an analysis of potential strengths and weaknesses of the nutrient models.
Original languageEnglish
Pages (from-to)506-514
JournalJournal of Environmental Monitoring
Publication statusPublished - 2009


  • source apportionment
  • nitrogen
  • sweden

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