Repensant la gestió de l’aigua: D’un model centralitzat a un model descentralitzat de subministrament d’aigua i sanejament

Autors/ores

  • Laia Domènech Institut de Ciència i Tecnologia Ambientals. Universitat Autònoma de Barcelona

Resum

Des de la segona meitat del segle xix, els sistemes centralitzats d’aigua i sanejament s’han anat expandint arreu del món. No obstant això, les limitacions d’aquest model són cada vegada més evidents i per això, en els últims anys, ha començat a créixer un interès renovat pel model descentralitzat de subministrament d’aigua i sanejament, ja que aquests darrers sistemes permeten augmentar la seguretat hídrica i minimitzar la degradació ambiental. Aquest article analitza principalment dos sistemes descentralitzats que poden ser instal·lats a nivell domèstic: els sistemes de captació d’aigües pluvials i els sistemes de reutilització d’aigües grises. L’objectiu principal d’aquest article és analitzar les característiques distin­tives més importants dels sistemes descentralitzats i els requeriments necessaris per assolir una transició amb èxit cap a un model descentralitzat de gestió de l’aigua.

Paraules clau

gestió de l’aigua, models alternatius, captació d’aigües pluvials, reutilització d’aigües grises, model urbà.

Referències

Agenda 21. United Nations Conference for Environment and Development. Rio de Janeiro, 1992.

Ajuntament de Sant Cugat del Vallès (2008). Ordenança Municipal per a l’Estalvi d’Aigua. (Water saving local regulation). BOP 12-04-2008, 94.

Allan, J.A. (2001). The Middle East water question: Hydro politics and the global econ¬omy. London. New York: I.B. Tauris.

Angealakis, A.N. and Durham, B. (2008). «Water recycling and reuse in EUREAU countries: Trends and challenges». Desalination, 218, 3-12.

Argue, J.R. (1995). «Towards a universal stormwater management practice for arid zone residential developments». Water Science and Technology, 31 (1), 15-24.

Baggett, S.; Jeffrey, P. and Jefferson, B. (2006). «Risk perception in participatory planning for water reuse». Desalination, 187, 149-158.

Bakker, K. (2002). «From state to market?: water mercantilizacion in Spain». Environ¬ment and Planning A, 34, 767-790.

Bakker, K. (2003). «Archipelagos and networks: urbanization and water privatization in the South». The Geographical Journal, 169, 328-341.

Brown, R. (2005). «Impediments to integrated urban stormwater management: the need for institutional reform». Environmental Management, 36 (3), 455-468.

Brown, R.; Farrelly, M. and Keath, N. (2009). «Practitioner perceptions of social and institutional barriers to advancing a diverse water source approach in Aus¬tralia». Water Resources Development, 25 (1), 15-28.

Burns, D.; Vitvar, T.; McDonnell, J.; Hassett, J.; Duncan, J. and Kendall, C. (2005). «Effects of suburban development on runoff generation in the Croton River basin, New York, USA». Journal of Hydrology, 266-281.

Coombes, P.J.; Kuczera, G.; Kalma, J.D. and Argue, J.R. (2002). «An evaluation of the benefits of source control measures at the regional scale». Urban Water, 4, 307-320.

Coombes, P.J. and Kuczera, G. (2003). «Analysis of the Performance of rainwater tanks in Australian capital cities». 28th International hydrology and water resources symposium, 10-14 November. Wollongong, Australia.

Davison, G. (2008). «Down the gurgler: Historical influences on Australian domestic water consumption». In: Troy, P. (ed.). Troubled waters. Confronting the water crisis in Australia’s cities. ANU E Press. The Australian National University. Cam¬berra, Australia, 37-65.

Dingle, T. (2008). «The life and times of the Chadwickian solution». In: Troy, P. (ed.). Troubled waters: Confronting the water crisis in Australia’s cities. ANU E Press. The Australian National University. Camberra, Australia, 7-18.

Dixon, A.M.; Butler, D. and Fewkes, A. (1999). «Guidelines for greywater reuse: health issues». Water and Environment Journal, 13 (5), 322-326.

Domene, E. et al. (2004). Estudi del consum d’aigua als edificis de la Regió Metropolitana de Barcelona: Situació actual i possibilitats d’estalvi. Fundació Abertis, Universitat Autònoma de Barcelona, Departament de Medi Ambient i Habitatge and Fudació Agbar. [https://www.fundacioabertis.org/rcs_est/estudi_complet.pdf, accessed: 10-02-10]

Echebarria, C.; Barrutia, J.M. and Aguado, I. (2004). «Local Agenda 21: Progress in Spain». European Urban and Regional Studies, 11 (3), 273-281.

Eriksson, E.; Auffarth, K.; Henze, M. and Ledin. A. (2002). «Characteristics of grey wastewater». Urban Water, 4, 85-104.

Fane, S. and Mitchell, C. (2006). «Appropriate cost analysis for decentralised water systems». Enviro 06 conference and exhibition, May 9-11, Melbourne, Australia.

Faruqui, N. and Al-Jayyousi, O. (2002). «Greywater reuse in urban agriculture for poverty alleviation. A case study in Jordan». Water International, 27 (3), 387-394.

Fewkes, A. (1999). «The use of rainwater for WC flushing: the field testing of a col¬lection system». Building and Environment, 34, 765-772.

Fewkes, A. (2006). «The technology, design and utility of rainwater catchment systems». In: Butler, D. and Memon, F.A. (eds.) (2006). Water Demand Management. London, UK: IWA Publishing.

Gandy, M. (2004). «Rethinking urban metabolism: Water, space and the modern city». City, 8 (3), 363-379.

Geels, F.W. (2002). «Technological transitions as evolutionary reconfiguration processes: a multi-level perspective and a case-study». Research Policy, 31, 1257-1274.

Geels, F.W. (2005). «Co-evolution of technology and society: The transition in water supply and personal hygiene in the Netherlands (1850-1930): A case study in multi-level perspective». Technology in Society, 27 (3), 363-397.

Gleick, P.H. (2000). «The changing water paradigm. A look at twenty-first century water resources development». Water International, 25 (1), 127-138.

Gleick, P.H. (2003). «Water use». Annual Review of Environmental Resources, 28, 275-314.

Gutiérrez-Ayuso, A. (2000-2001). «Contribución al conocimiento de los aljibes hispanomusulmanes extremeños: Tipología de un ejemplo de arquitectura del agua». Norba Arte, 7-27.

Hatt, B.E.; Deletic, A. and Fletcher, T.D. (2006). «Integrated treatment and recycling of stormwater: a review of Australian practice». Journal of Environmental Management, 79, 102-113.

Herman, T. and Schmida, U. (1999). «Rainwater utilisation in Germany: efficiency, dimensioning, hydraulic and environmental aspects». Urban Water, 307-316.

Heyworth, J.S.; Glonek, G.; Maynard, E.J. and Finlay-Jones, J. (2005). «Con¬sumption of untreated tank rainwater and gastroenteritis among young children in South Australia». International Journal of Epidemiology, 35 (4), 1051-1058.

Jeppesen, B. (1996). «Domestic greywater re-use: Australia’s challenge for the future». Desalination, 106, 311-315.

Kaika, M. (2005). City of flows: Modernity, nature and the city. New York: Routledge. Taylor and Francis Group.

Kallis, G. and Cocossis, H. (2003). «Managing Water for Athens: From the Hydraulic to the Rational Growth Paradigms». European Planning Studies, 11, 245-261.

Krozer, Y.; Hophmayer-Tokich, S.; Van Meerendonk, H.; Tijsma, S. and Vos, E. (2010). Innovations in the water chain: Experiences in The Netherlands.

Langergraber, G. and Muellegger, E. (2005). «Ecological Sanitation: A way to solve global sanitation problems?». Environment International, 31, 433-444.

Lye, D.J. (2009). «Rooftop runoff as a source of contamination: A review». Science of the Total Environment, 407, 5429-5434.

McCully, P. (1996). Silenced rivers: The ecology and politics of large dams. London, United Kingdom: Zed Books.

Mikkelsen, P.S.; Adeler, O.F.; Albrechtsen, H.J. and Henze, M. (1999). «Collect¬ed rainfall as a water source in Danish households: What is the potential and what are the costs?». Water Science and Technology, 39 (5), 49-56.

Niemczyniwiez, J. (1999). «Urban hydrology and water management: Present and future challenges». Urban Water, 1, 1-14.

Pahl-Wostl, C.; Mostert, E. and Tàbara, D. (2008). «The growing importance of social learning in water resources management and sustainability science». Ecology and Society, 13 (1), 24.

Pandey, D.N.; Gupta, A.K. and Anderson, D.M. (2003). «Rainwater harvesting as an adaptation to climate change». Current Science, 85 (1), 46-59.

PAP/RAC (2007). «Integrated Coastal Urban Water System Planning in Coastal Areas of the Mediterranean». Volume I. Principles and Planning. Split: PAP/RAC.

Pinfold, J.V.; Horan, N.J.; Wirojanagud, W. and Mara, D. (1993). «The bac¬teriological quality of rainjar water in rural northeast Thailand». Water Research, 27 (2), 297-302.

Rahman, A.; Dbais, J. and Imteaz, M. (2010). «Sustainability of Rainwater Harvest¬ing Systems in Multistorey Residential Buildings». American J. of Engineering and Applied Sciences, 3 (1), 889-898.

Rotmans, J.; Kemp, R. and Van Asselt, M. (2001). «More evolution than revolution: transition management in public policy». Foresight, 3 (1), 15-31.

Roy, A.H. et al. (2008). «Impediments and solutions to sustainable, watershed-scale urban stormwater management: lessons from Australia and the United States». Environmental Management, 42 (2), 344-359.

Saurí, D. and Moral, L. del (2001). «Recent developments in Spanish water policy: Alternatives and conflicts at the end of the hydraulic age». Geoforum, 32, 351-362.

Swyngedouw, E.; Moulaert, F. and Rodriguez, A. (2002). «Neoliberal Urbaniza¬tion in Europe: Large-Scale Urban Development Projects and the New Urban Policy». Antipode, 34, 542-577.

Swyngedouw, E. (2004). Social power and the urbanization of water: flows of power. Oxford; New York: Oxford University Press.

Swyngedouw, E. (2005). «Governance Innovation and the Citizen: The Janus Face of Governance-Beyond-the-State». Urban Studies, 42 (11), 1991-2006.

UNEP (2009). Rainwater harvesting: a lifeline for human well-being. A report prepared for UNEP by Stockholm Environment Institute.

Vaes, G. and Berlamont, J. (1999). «The impact of rainwater reuse on CSO emis¬sions». Water Science and Technology, 39 (5), 57-64.

Villareal, E.L. and Dixon, A. (2005). «Analysis of a rainwater collection system for domestic water supply in Ringdansen, Norrköpig, Sweden». Building and Environ¬ment, 40, 1174-1184.

Warner, W.S. (2006). «Understanding greywater treatment». In: Butler, D. and Memon, F.A. (eds.) (2006). Water Demand Management. London, UK: IWA Publishing.

World Water Assessment Programme (2009). The United Nations World Water Development Report 3: Water in a Changing World. París: UNESCO, and London: Earthscan.

Yaziz, M.I.; Gunting, H.; Sapari, N. and Ghazali, A.W. (1989). «Variations in rainwater quality from roof catchments». Water Research, 23 (6), 761-765.

Publicades

17-05-2011

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