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Urban Comfort: A Priority for Adapting to Climate Change, Increasing Densities and Infill Development

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URBAN COMFORT:
A PRIORITY FOR ADAPTING TO CLIMATE CHANGE, INCREASING
DENSITIES AND INFILL DEVELOPMENT
Dr Silvia Tavares, L...

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Climate change
• Will increase extremes – for
colder and warmer, and
there is a need to extend the
use of public open spac...

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Building
Science
Brown,
Gillespie, Erell
Thermal
comfort
Fanger,
Steemers,
Yannas
Adaptive
models
Auluciems,
de Dear,
Niko...

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Urban Comfort: A Priority for Adapting to Climate Change, Increasing Densities and Infill Development

  1. 1. URBAN COMFORT: A PRIORITY FOR ADAPTING TO CLIMATE CHANGE, INCREASING DENSITIES AND INFILL DEVELOPMENT Dr Silvia Tavares, Lecturer in Urban Design and Town Planning Dr Nicholas Stevens, Senior Lecturer in Urban Design and Town Planning BASCLab (Bioclimatic and Sociotechnical Cities Lab)
  2. 2. Climate change • Will increase extremes – for colder and warmer, and there is a need to extend the use of public open spaces even under sub-ideal conditions. • While we need to ensure health is a priority, there are ways of attracting people to non-perfect urban environments and it is dependent on culture Increasing densities and infill development • Challenges are related to character, identity, cultural preferences CURRENT URBAN PRESSURES
  3. 3. Building Science Brown, Gillespie, Erell Thermal comfort Fanger, Steemers, Yannas Adaptive models Auluciems, de Dear, Nikolopoulou Urban design Microclimate Cultural Geography Place meanings Regional Identity Tuan, Cresswell Hough Anthropology Urban Studies Culture and climate Roncoli, Orlove Whyte, Stevens, Gehl, Fisher People and built environment ? WHAT IS URBAN COMFORT AND WHY IS IT RELEVANT? An exploration of the complexity of the urban comfort phenomenon (thermal comfort + sociocultural meanings) aimed at prioritising solutions for achieving optimum urban microclimate
  4. 4. WHAT IS URBAN COMFORT AND WHY IS IT RELEVANT? Common belief: “Urban bioclimatic design is too complex, we can’t control the open space climate the same way we control indoors” With increasing urban population: • Urban and well-designed densities become paramount • Appropriate design of urban microclimate is central Why is it important • Human comfort and health • Social cohesion • Environmental sustainability • Economic performance Q1: What are the characteristics of urban comfort in Christchurch? Q2: How is urban comfort shaped through local culture in Christchurch? Q3: What individual and social strategies people use to adapt to a highly variable (micro)climate?
  5. 5. TECHNIQUES & STRATEGIES TO MITIGATE UHI/UCI But there are times when we cannot bring it to the ‘ideal’ thresholds… What can we do then? ‘Tools’ to improve urban (micro)climate: • Cool surfaces • Cool paving • High albedo paving • High emissivity paving • Permeable paving • Cool building envelops • High albedo roof surfaces • Cool paving technologies • Street trees • Shading • Water • Green roofs and walls • ….
  6. 6. 24 May 2012 3 November 2012 14 November 2012 25 September 2012 31 January 2013 2 September 2013 STUDY CONTEXT: THE START Christchurch, New Zealand (2011-2015)
  7. 7. STUDY CONTEXT: THE SECOND TEST Aachen, Germany (2014)
  8. 8. Regional identity Local Liveability Concept Adaptive strategies Examples: Multi-cultural Value nature History Examples: Compact Walkable High quality city spaces Public green areas Examples: How we go What we wear Where we go Who we go with Urban form and aesthetics Adaptation (Collective) Adaptation (Individual) URBAN COMFORT Urban-rural connections Outdoor values Private gardens Events Education Garden City URBAN COMFORT CONSIDERATIONS: A SUMMARY BUT IS THIS ALL?
  9. 9. WORK DOMAIN ANALYSIS (WDA), A MODELING APPROACH
  10. 10. URBAN COMFORT WDA: A START
  11. 11. (PRELIMINARY) RESULTS Focus on actions related to urban microclimate to achieve Urban Comfort and support resilient and healthy urban futures. This analysis enables prioritising urban solutions for urban comfort through the adequate functioning of complex urban microclimate systems and responses to climate change. Results support focusing on actions related to urban microclimate that aim to achieve urban comfort and support resilient and healthy urban futures. Is applicable to various urban forms and densities relevant to the Queensland context
  12. 12. THANK YOU! Dr Silvia Tavares, Lecturer in Urban Design and Town Planning stavares@usc.edu.au Dr Nicholas Stevens, Senior Lecturer in Urban Design and Town Planning nstevens@usc.edu.au BASC Lab(Bioclimatic and Sociotechnical Cities Lab): www.usc.edu.au/basclab

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