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Nutrient transport scenarios in a changing Stockholm and Mälaren valley region, Sweden
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Mark- och vattenteknik (flyttat 20130630).
KTH, Skolan för arkitektur och samhällsbyggnad (ABE), Mark- och vattenteknik (flyttat 20130630).
Vise andre og tillknytning
2005 (engelsk)Inngår i: Water Science and Technology, ISSN 0273-1223, E-ISSN 1996-9732, Vol. 51, nr 3-4, s. 31-38Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Norrstrom catchment, west of Stockholm, covers most of the Malaren valley. Provision of drinking water from Lake Malaren is an absolute precondition for continued growth in the region. Stockholm County's population is expected to increase by 600,000 people before 2030. Current climate change predictions anticipate significant temperature and precipitation increases. We implement the PolFlow model embedded in PCRaster for quantifying water and substances fluxes on the catchment scale over a 30-year time horizon. We formulate scenarios for changes in water quality and quantity due to climate change and population development. Results indicate a mild impact from climate change on surface flow rates but substantial effects on sub-surface residence times. Population development slightly affects nutrients loads. Using source apportionment and sensitivity analysis, we identify a number of critical parameters/processes to be further studied, in order for future results to be more reliable and usable in a water resources management context.

sted, utgiver, år, opplag, sider
2005. Vol. 51, nr 3-4, s. 31-38
Emneord [en]
water basin management, eutrophication, GIS, climate change, population growth
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-14718ISI: 000228827100006Scopus ID: 2-s2.0-17544378581OAI: oai:DiVA.org:kth-14718DiVA, id: diva2:332759
Konferanse
7th IWA International Specialised Conference on Diffuse Pollution and Basin Management. Dublin, IRELAND. AUG 17-21, 2003
Merknad

QC 20100525 QC 20111011.

Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2018-01-12bibliografisk kontrollert

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