Water sensitive urban design retrofits in Copenhagen - 40% to the sewer, 60% to the city

O. Fryd; Antje Backhaus; Heidi Birch; Chiara Fratini; Simon Toft Ingvertsen; Jørgen Jeppesen; Toke Emil Panduro; M. Roldin; Marina Bergen Jensen

doi:10.2166/wst.2013.073

Water sensitive urban design retrofits in Copenhagen - 40% to the sewer, 60% to the city

O. Fryd, Antje Backhaus, Heidi Birch, Chiara Fratini, Simon Toft Ingvertsen, Jørgen Jeppesen, Toke Emil Panduro, M. Roldin, Marina Bergen Jensen

15 Citations (Scopus)

Abstract

Water Sensitive Urban Design (WSUD) is emerging in Denmark. This interdisciplinary desk study investigated the options for WSUD retrofitting in a 15 km(2) combined sewer catchment area in Copenhagen. The study was developed in collaboration with the City of Copenhagen and its water utility, and involved researchers representing hydrogeology, sewer hydraulics, environmental chemistry/economics/engineering, landscape architecture and urban planning. The resulting catchment strategy suggests the implementation of five sub-strategies. First, disconnection is focused within sites that are relatively easy to disconnect, due to stormwater quality, soil conditions, stakeholder issues, and the provision of unbuilt sites. Second, stormwater runoff is infiltrated in areas with relatively deep groundwater levels at a ratio that doesn't create a critical rise in the groundwater table to the surface. Third, neighbourhoods located near low-lying streams and public parks are disconnected from the sewer system and the sloping terrain is utilised to convey runoff. Fourth, the promotion of coherent blue and green wedges in the city is linked with WSUD retrofits and urban climate-proofing. Fifth, WSUD is implemented with delayed and regulated overflows to the sewer system. The results are partially adopted by the City of Copenhagen and currently under pilot testing.

Original language	English
Journal	Water Science and Technology
Volume	67
Issue number	9
Pages (from-to)	1945–1952
Number of pages	8
ISSN	0273-1223
DOIs	https://doi.org/10.2166/wst.2013.073
Publication status	Published - 2013

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title = "Water sensitive urban design retrofits in Copenhagen - 40% to the sewer, 60% to the city",

abstract = "Water Sensitive Urban Design (WSUD) is emerging in Denmark. This interdisciplinary desk study investigated the options for WSUD retrofitting in a 15 km(2) combined sewer catchment area in Copenhagen. The study was developed in collaboration with the City of Copenhagen and its water utility, and involved researchers representing hydrogeology, sewer hydraulics, environmental chemistry/economics/engineering, landscape architecture and urban planning. The resulting catchment strategy suggests the implementation of five sub-strategies. First, disconnection is focused within sites that are relatively easy to disconnect, due to stormwater quality, soil conditions, stakeholder issues, and the provision of unbuilt sites. Second, stormwater runoff is infiltrated in areas with relatively deep groundwater levels at a ratio that doesn't create a critical rise in the groundwater table to the surface. Third, neighbourhoods located near low-lying streams and public parks are disconnected from the sewer system and the sloping terrain is utilised to convey runoff. Fourth, the promotion of coherent blue and green wedges in the city is linked with WSUD retrofits and urban climate-proofing. Fifth, WSUD is implemented with delayed and regulated overflows to the sewer system. The results are partially adopted by the City of Copenhagen and currently under pilot testing.",

author = "O. Fryd and Antje Backhaus and Heidi Birch and Chiara Fratini and Ingvertsen, {Simon Toft} and J{\o}rgen Jeppesen and Panduro, {Toke Emil} and M. Roldin and Jensen, {Marina Bergen}",

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AU - Fryd, O.

AU - Backhaus, Antje

AU - Birch, Heidi

AU - Fratini, Chiara

AU - Ingvertsen, Simon Toft

AU - Jeppesen, Jørgen

AU - Panduro, Toke Emil

AU - Roldin, M.

AU - Jensen, Marina Bergen

PY - 2013

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N2 - Water Sensitive Urban Design (WSUD) is emerging in Denmark. This interdisciplinary desk study investigated the options for WSUD retrofitting in a 15 km(2) combined sewer catchment area in Copenhagen. The study was developed in collaboration with the City of Copenhagen and its water utility, and involved researchers representing hydrogeology, sewer hydraulics, environmental chemistry/economics/engineering, landscape architecture and urban planning. The resulting catchment strategy suggests the implementation of five sub-strategies. First, disconnection is focused within sites that are relatively easy to disconnect, due to stormwater quality, soil conditions, stakeholder issues, and the provision of unbuilt sites. Second, stormwater runoff is infiltrated in areas with relatively deep groundwater levels at a ratio that doesn't create a critical rise in the groundwater table to the surface. Third, neighbourhoods located near low-lying streams and public parks are disconnected from the sewer system and the sloping terrain is utilised to convey runoff. Fourth, the promotion of coherent blue and green wedges in the city is linked with WSUD retrofits and urban climate-proofing. Fifth, WSUD is implemented with delayed and regulated overflows to the sewer system. The results are partially adopted by the City of Copenhagen and currently under pilot testing.

AB - Water Sensitive Urban Design (WSUD) is emerging in Denmark. This interdisciplinary desk study investigated the options for WSUD retrofitting in a 15 km(2) combined sewer catchment area in Copenhagen. The study was developed in collaboration with the City of Copenhagen and its water utility, and involved researchers representing hydrogeology, sewer hydraulics, environmental chemistry/economics/engineering, landscape architecture and urban planning. The resulting catchment strategy suggests the implementation of five sub-strategies. First, disconnection is focused within sites that are relatively easy to disconnect, due to stormwater quality, soil conditions, stakeholder issues, and the provision of unbuilt sites. Second, stormwater runoff is infiltrated in areas with relatively deep groundwater levels at a ratio that doesn't create a critical rise in the groundwater table to the surface. Third, neighbourhoods located near low-lying streams and public parks are disconnected from the sewer system and the sloping terrain is utilised to convey runoff. Fourth, the promotion of coherent blue and green wedges in the city is linked with WSUD retrofits and urban climate-proofing. Fifth, WSUD is implemented with delayed and regulated overflows to the sewer system. The results are partially adopted by the City of Copenhagen and currently under pilot testing.

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DO - 10.2166/wst.2013.073

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EP - 1952

JO - Water Science and Technology

JF - Water Science and Technology

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ER -

Water sensitive urban design retrofits in Copenhagen - 40% to the sewer, 60% to the city

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