Restoration of stormwater retention capacity at the allotment-scale through a novel economic instrument

Urbanisation results in changes to runoff behaviour which, if not addressed, inevitably degrade receiving waters. To date, most stormwater management has focussed on the streetscape and public open space. Given that much of the catchment imperviousness is located on private land, we developed and te...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 64(2011), 2 vom: 11., Seite 494-502
1. Verfasser: Fletcher, Tim D (VerfasserIn)
Weitere Verfasser: Walsh, Chistopher J, Bos, Darren, Nemes, Veronika, RossRakesh, Sharyn, Prosser, Toby, Hatt, Belinda, Birch, Rhiannon
Format: Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Water 059QF0KO0R
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245 1 0 |a Restoration of stormwater retention capacity at the allotment-scale through a novel economic instrument 
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520 |a Urbanisation results in changes to runoff behaviour which, if not addressed, inevitably degrade receiving waters. To date, most stormwater management has focussed on the streetscape and public open space. Given that much of the catchment imperviousness is located on private land, we developed and tested a novel economic instrument (a uniform price auction) for encouraging allotment-scale stormwater retention. We evaluated bids using an integrated environmental benefit index (EBI), based on the ability of the proposed works to reduce runoff frequency, pollutant loads and to reduce potable water demand. The uniform price auction resulted in 1.4 ha of impervious areas being effectively 'disconnected' from the stormwater system. The EBI provided an objective and transparent method of comparing bids, which varied in the type of works proposed (e.g. rainwater tank, rain-garden), the cost and the resulting environmental benefit. Whilst the pilot auction was a success, the public subsidy of works undertaken was around 85%, meaning that property owners a relatively small private benefit in the works. Future auction rounds will be revised to (i) test an EBI which is more focussed on the protection of streams (assessing changes to runoff frequency, baseflow volumes and water quality) and (ii) provide an auction process which is simpler to understand, and provides greater practical support for landholders who wish to undertake works 
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700 1 |a Walsh, Chistopher J  |e verfasserin  |4 aut 
700 1 |a Bos, Darren  |e verfasserin  |4 aut 
700 1 |a Nemes, Veronika  |e verfasserin  |4 aut 
700 1 |a RossRakesh, Sharyn  |e verfasserin  |4 aut 
700 1 |a Prosser, Toby  |e verfasserin  |4 aut 
700 1 |a Hatt, Belinda  |e verfasserin  |4 aut 
700 1 |a Birch, Rhiannon  |e verfasserin  |4 aut 
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