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The impacts of climate change and urbanisation on drainage in Helsingborg, Sweden: suburban stormwater

Semadeni Davies, Annette LU ; Hernebring, C. ; Svensson, G. and Gustafsson, L-G (2008) In Journal of Hydrology 350(1-2). p.114-125
Abstract
Assessment of the potential impact of climate change on water systems has been an essential part of hydrological research over the last couple of decades. However, the notion that such assessments should also include other changes is relatively recent. In this study, the potential impacts of climate change and continued urbanisation on stormwater flows to a suburban stream, Helsingborg, south Sweden, have been assessed using drainage simulations for present conditions as well as two climate (medium and high gas emission) and two water management storylines for subdivision. Climate change was simulated by altering a high-resolution rainfall record according to the climate-change signal derived from a regional climate model. Subdivision and... (More)
Assessment of the potential impact of climate change on water systems has been an essential part of hydrological research over the last couple of decades. However, the notion that such assessments should also include other changes is relatively recent. In this study, the potential impacts of climate change and continued urbanisation on stormwater flows to a suburban stream, Helsingborg, south Sweden, have been assessed using drainage simulations for present conditions as well as two climate (medium and high gas emission) and two water management storylines for subdivision. Climate change was simulated by altering a high-resolution rainfall record according to the climate-change signal derived from a regional climate model. Subdivision and urbanisation was simulated by altering model parameters chosen to reflect current trends in demographics and water management. The simulations were run for a 15 month period. It was found that city growth and projected increases in heavy rainfalls, both together and alone, are set to raise peak flow volumes and increase flood risk. Conversely, installation of a sustainable urban drainage system (SUDS) has a positive effect on the urban environment in general and can largely allay the adverse impacts of change road. The relative impacts of changes in climate and urbanisation are assessed for the combined sewer system which serves central Helsingborg in Semadeni-Davies et al. [Semadeni-Davies A., Hernebring, C., Svensson, G., Gustafsson, L.G., 2008. The impacts of climate change and urbanisation on drainage in Helsingborg, Sweden: combined sewer system. J. Hydrol. 350 (1-2), 100-113. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Best management practices (BMPS), Flood risk, Climate change, Development, Sustainable urban drainage systems (SUDS), Stormwater
in
Journal of Hydrology
volume
350
issue
1-2
pages
114 - 125
publisher
Elsevier
external identifiers
  • wos:000253600200010
  • scopus:38649095953
ISSN
0022-1694
DOI
10.1016/j.jhydrol.2007.11.006
language
English
LU publication?
yes
id
626edfc1-f119-4829-8598-55444c77b7f6 (old id 1002177)
date added to LUP
2016-04-01 14:14:56
date last changed
2022-04-14 08:47:48
@article{626edfc1-f119-4829-8598-55444c77b7f6,
  abstract     = {{Assessment of the potential impact of climate change on water systems has been an essential part of hydrological research over the last couple of decades. However, the notion that such assessments should also include other changes is relatively recent. In this study, the potential impacts of climate change and continued urbanisation on stormwater flows to a suburban stream, Helsingborg, south Sweden, have been assessed using drainage simulations for present conditions as well as two climate (medium and high gas emission) and two water management storylines for subdivision. Climate change was simulated by altering a high-resolution rainfall record according to the climate-change signal derived from a regional climate model. Subdivision and urbanisation was simulated by altering model parameters chosen to reflect current trends in demographics and water management. The simulations were run for a 15 month period. It was found that city growth and projected increases in heavy rainfalls, both together and alone, are set to raise peak flow volumes and increase flood risk. Conversely, installation of a sustainable urban drainage system (SUDS) has a positive effect on the urban environment in general and can largely allay the adverse impacts of change road. The relative impacts of changes in climate and urbanisation are assessed for the combined sewer system which serves central Helsingborg in Semadeni-Davies et al. [Semadeni-Davies A., Hernebring, C., Svensson, G., Gustafsson, L.G., 2008. The impacts of climate change and urbanisation on drainage in Helsingborg, Sweden: combined sewer system. J. Hydrol. 350 (1-2), 100-113.}},
  author       = {{Semadeni Davies, Annette and Hernebring, C. and Svensson, G. and Gustafsson, L-G}},
  issn         = {{0022-1694}},
  keywords     = {{Best management practices (BMPS); Flood risk; Climate change; Development; Sustainable urban drainage systems (SUDS); Stormwater}},
  language     = {{eng}},
  number       = {{1-2}},
  pages        = {{114--125}},
  publisher    = {{Elsevier}},
  series       = {{Journal of Hydrology}},
  title        = {{The impacts of climate change and urbanisation on drainage in Helsingborg, Sweden: suburban stormwater}},
  url          = {{http://dx.doi.org/10.1016/j.jhydrol.2007.11.006}},
  doi          = {{10.1016/j.jhydrol.2007.11.006}},
  volume       = {{350}},
  year         = {{2008}},
}