• A spatially-resolved material flow model: of the Lisbon metropolitan area 

    Wiesmann, Daniel; Ferrão, Paulo; Niza, Samuel; Rosado, Leonardo; Brattebø, Helge (Department of Civil Engineering of the University of Coimbra and e-GEO, Research Center in Geography and Regional Planning of the Faculty of Social Sciences and Humanities of the Nova University of Lisbon, 2011-10)
    Text en actes de congrés
    Accés obert
    Urban systems are the locus of consumption and engines of economic growth in a globalized world. Major cities offer then the most striking examples of the environmental and energy problems that accompany intense urbanization: ...
  • Looking for order in the maze of urban water and wastewater pipeline networks 

    Govindarajan, Venkatesh; Brattebø, Helge (Centre de Política del Sòl i Valoracions - Universitat Politècnica de Catalunya, 2012-10)
    Accés obert
    Active research has been going on to validate the Power Law in physics, economics, linguistics, sociology, geophysics etc. This paper sets out to test the hypothesis that the Power Law is a feature of water and wastewater ...