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Water-sensitive urban drainage, stormwater harvesting and street trees: investigation of potential synergies
Conference paper

Water-sensitive urban drainage, stormwater harvesting and street trees: investigation of potential synergies

Peter Nichols and Jennifer Mullaney
Proceedings of the 13th International Conference on Urban Drainage, pp.1-10
International Conference on Urban Drainage (ICUD): Urban Drainage in the context of integrated urban water management: a bridge between developed and developing countries, 13th (Sarawak, Malaysia, 07-Sep-2014–12-Sep-2014)
International Water Association
2014
url
http://www.13icud2014.com/fullpaper/Oral%20Presentations/Low%20Impact%20Development/ID-2517412%20Water%20Sensitive%20Urban%20Drainage,%20Stormwater%20Harvesting%20and%20Street%20Trees%20Investigation%20of%20Potential%20Synergies.pdfView
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Abstract

Civil Engineering Environmental Engineering stormwater detention stormwater reuse street trees WSUD drought water security
The projected growth in Australia's population will result in increased urbanisation leading to more impervious surfaces, increased stormwater runoff and decreased infiltration. Water-sensitive urban design (WSUD) has arisen in response to the need to address stormwater issues related to urban developments. Recently, vegetated biofilters have been used as a more complex type of WSUD device, which combines the principles of stormwater storage, detention and infiltration with plant growth. Street trees are known to perform many ecosystem services in addition to treating stormwater runoff, which include improving aesthetics, increasing the liveability of urban areas and reducing pollution. Street trees may be able to offer the same or even greater environmental benefits when compared to other vegetated WSUD systems. However, they do so without taking up valuable urban space. Street trees often have problems with water security and this can severely affect tree growth and sometimes even their survival. This research project is investigating stormwater harvesting options for street trees to develop practical solutions to the water security challenges encountered by street trees in urban environments. This article describes the experimental design and presents interim results of the study.

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