Full TGIF Record # 246952
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Web URL(s):http://www.sciencedirect.com/science/article/pii/S1618866713001192
    Last checked: 07/15/2014
    Access conditions: Item is within a limited-access website
Publication Type:
Author(s):Sjöman, Johanna Deak; Gill, Susannah E.
Author Affiliation:Sjöman: Swedish University of Agricultural Sciences, Faculty of Landscape Planning, Horticulture and Agricultural Science, Department of Landscape Architecture, Alnarp, Sweden; Gill: The Mersey Forest Team, Risley Moss, Birchwood, Warrington, UK
Title:Residential runoff - The role of spatial density and surface cover, with a case study in the Höjeå river catchment, southern Sweden
Source:Urban Forestry & Urban Greening. Vol. 13, No. 2, 2014, p. 304-314.
# of Pages:11
Publishing Information:Jena, Germany: Urban & Fischer
Keywords:TIC Keywords: Impervious cover; Permeability; Rainfall-runoff relationships; Soil types (textural); Surface drainage; Surface runoff; Urban habitat
Abstract/Contents:"Depending on the spatial density of built cover and location within a catchment, residential areas make varying contributions to surface runoff throughout different rainfall events. This study examined these contributions and the associated effect of different surface covers and sustainable drainage systems on runoff generation. The Soil Conservation Service curve number (SCS-CN) method was applied to analyse urban development in the Höje^DoA river catchment in southern Sweden. The results indicated that identical amounts of surface runoff are generated by low-density residential areas on heavy clay soils and high-density residential areas on sandy soils. However, increasing the density of built-up areas on sandy soils is likely to be more disruptive to the hydrological balance and to generate a greatly increasing difference in runoff as building density and impermeable surface area increase. A similar pattern is likely to occur if rainfall intensity increases. It may therefore be appropriate to apply different planning considerations to residential developments depending on the existing soil group, e.g. conserving existing vegetated surfaces on sandy soil and incorporating permeable paving materials and sub-surface infiltration beds in development on clayey soils. Increased area of impermeable surface cover will increase surface runoff in all residential areas, irrespective of building density, soil group and rainfall intensity. However, adapting a systems approach in combining vegetative structures and permeable paving materials with subsurface infiltration beds can help mitigate the impact of surface runoff, particularly in urban developments on clay-rich soils."
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sjöman, J. D., and S. E. Gill. 2014. Residential runoff - The role of spatial density and surface cover, with a case study in the Höjeå river catchment, southern Sweden. Urban Forestry & Urban Greening. 13(2):p. 304-314.
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DOI: 10.1016/j.ufug.2013.10.007
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    Last checked: 07/15/2014
    Access conditions: Item is within a limited-access website
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MSU catalog number: b5268048~S1a
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