Urban comfort in a future compact city: analysis of open-space qualities in the rebuilt Christchurch Central City

Tavares, Silvia, and Swaffield, Simon (2017) Urban comfort in a future compact city: analysis of open-space qualities in the rebuilt Christchurch Central City. Landscape Review, 17 (2). pp. 5-23.

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Abstract

The increase in urban population has required cities to rethink their strategies for minimising greenhouse gas impacts and adapting to climate change. While urban design and planning policy have been guided by principles such as walkability (to reduce the dependence on cars) and green infrastructure (to enhance the quality of open spaces to support conservation and human values), there have been conflicting views on what spatial strategies will best prepare cities for a challenging future. Researchers supporting compact cities based upon public Transit Oriented Development have claimed that walkability, higher density and mixed-uses make cities more sustainable (Owen, 2009) and that, while green spaces in cities are necessary, they are dull in comparison with shopfronts and street vendors (Speck, 2012, p 250). Other researchers claim that green infrastructure is fundamental to improving urban sustainability and attracting public space users with improved urban comfort, consequently encouraging walkability (Pitman and Ely, 2013). Landscape architects tend to assume that ‘the greener the better’; however, the efficiency of urban greenery in relation to urban comfort and urbanity depends on its density, distribution and the services provided. Green infrastructure can take many forms (from urban forests to street trees) and provide varied services (amended microclimate, aesthetics, ecology and so forth). In this paper, we evaluate the relevance of current policy in Christchurch regarding both best practice in green infrastructure and urban comfort (Tavares, 2015). We focus on the Christchurch Blueprint for rebuilding the central city, and critically examine the post-earthquake paths the city is following regarding its green and grey infrastructures and the resulting urban environment. We discuss the performance and appropriateness of the current Blueprint in post-earthquake Christchurch, particularly as it relates to the challenges that climate change is creating for cities worldwide.

Item ID: 52045
Item Type: Article (Research - C1)
ISSN: 2253-1440
Keywords: urban comfort; policy; urban greenery; walkable cities
Date Deposited: 18 Jan 2018 02:38
FoR Codes: 12 BUILT ENVIRONMENT AND DESIGN > 1205 Urban and Regional Planning > 120507 Urban Analysis and Development @ 40%
12 BUILT ENVIRONMENT AND DESIGN > 1205 Urban and Regional Planning > 120504 Land Use and Environmental Planning @ 30%
12 BUILT ENVIRONMENT AND DESIGN > 1205 Urban and Regional Planning > 120508 Urban Design @ 30%
SEO Codes: 97 EXPANDING KNOWLEDGE > 970112 Expanding Knowledge in Built Environment and Design @ 70%
96 ENVIRONMENT > 9699 Other Environment > 969999 Environment not elsewhere classified @ 30%
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